Relevant bibliographies by topics / Construction des routes

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Construction des routes'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Construction des routes.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Construction des routes"

1

Czégé, Levente, Attila Vámosi, and Imre Kocsis. "Review on Construction Procedures of Driving Cycles." International Journal of Engineering and Management Sciences 5, no. 2 (April 15, 2020): 266–85. http://dx.doi.org/10.21791/ijems.2020.2.31.

Full text
Abstract:
The goal of this paper is to give an overview of the literature of construction techniques of driving cycles. Our motivation for the overview is the future goal of constructing our own driving cycles for various types of vehicles and routes. This activity is part of a larger project focusing on determination of fuel and energy consumption by dynamic simulation of vehicles. Accordingly, the papers dealing with sample route determination, data collection and processing, driving cycle construction procedures, statistical evaluation of data are in our focus.
APA, Harvard, Vancouver, ISO, and other styles
2

Fujita, Hideyuki, Shota Sagara, Tadashi Ohmori, and Takahiko Shintani. "Route Network Construction with Location-Direction-Enabled Photographs." Proceedings of the ICA 1 (May 16, 2018): 1–3. http://dx.doi.org/10.5194/ica-proc-1-40-2018.

Full text
Abstract:
We propose a method for constructing a geometric graph for generating routes that summarize a geographical area and also have visual continuity by using a set of location-direction-enabled photographs. A location- direction-enabled photograph is a photograph that has information about the location (position of the camera at the time of shooting) and the direction (direction of the camera at the time of shooting). Each nodes of the graph corresponds to a location-direction-enabled photograph. The location of each node is the location of the corresponding photograph, and a route on the graph corresponds to a route in the geographic area and a sequence of photographs. The proposed graph is constructed to represent characteristic spots and paths linking the spots, and it is assumed to be a kind of a spatial summarization of the area with the photographs. Therefore, we call the routes on the graph as spatial summary route. Each route on the proposed graph also has a visual continuity, which means that we can understand the spatial relationship among the continuous photographs on the route such as moving forward, backward, turning right, etc. In this study, when the changes in the shooting position and shooting direction satisfied a given threshold, the route was defined to have visual continuity. By presenting the photographs in order along the generated route, information can be presented sequentially, while maintaining visual continuity to a great extent.
APA, Harvard, Vancouver, ISO, and other styles
3

Саранча, Михаил, and Mikhail Sarancha. "ON THE ISSUES OF THE GEOGRAPHIC LOGIC IN DESIGNING TOURIST ROUTES." Service & Tourism: Current Challenges 11, no. 3 (September 4, 2017): 25–31. http://dx.doi.org/10.22412/1995-0411-2017-11-3-25-31.

Full text
Abstract:
One of the key issues in the designing tourist routes is the geographical logic of their construction. Its correct study essentially determines the success and quality of the operation of both the route itself and the travels along it. However, these problems in modern practice gets insufficient attention. And its solution is in the use of a limited set of templates, often not satisfying the goal-setting. The article presents the results of developing a series of basic types of geographical logics of building tourist routes, which became the purpose of the study. Modeling, comparative and abstraction are the main research methods. The author uses systematic, integrated, geographic and situational approaches. With the aim of integrating the properties of tourist routes and programs at the initial stage of the research the author has developed their basic properties, grouped into 13 blocks and presented in the form of a scheme. The article present the results of studying domestic and foreign experience in designing and organizing tourist routes from the positions of geographical logics of their construction and configuration. The author shows the 10 basic types of geographic logics for constructing tourist routes in the form of schemes and descriptions with examples: visits, stringing, crossing, trail, rounding, direction, non-attendance, free-situational, avoidance, camps, research / expeditions. It is shown that in practice this types are mixed.
APA, Harvard, Vancouver, ISO, and other styles
4

Tookey, John E., Michael Murray, Cliff Hardcastle, and David Langford. "Construction procurement routes: re-defining the contours of construction procurement." Engineering Construction and Architectural Management 8, no. 1 (January 2001): 20–30. http://dx.doi.org/10.1046/j.1365-232x.2001.00174.x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

TOOKEY, JOHN E., MICHAEL MURRAY, CLIFF HARDCASTLE, and DAVID LANGFORD. "Construction procurement routes: re‐defining the contours of construction procurement." Engineering, Construction and Architectural Management 8, no. 1 (January 2001): 20–30. http://dx.doi.org/10.1108/eb021167.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Podolskaia, Ekaterina. "Automated construction of ground access routes for the management of regional forest fires." Journal of Forest Science 66, No. 8 (August 21, 2020): 329–88. http://dx.doi.org/10.17221/59/2020-jfs.

Full text
Abstract:
Modern geospatial technologies and permanently updated wildfire monitoring datasets are the basis of improving forest firefighting on different administrative scales. One of the tasks is to use the spatial representation of forest fire locations during the fire season and offer timely suitable technical options for accessing them. We developed a GIS technology to create forest fire ground access routes for special firefighting vehicles moving from a ground firefighting base (fire-chemical station) to the place of the forest fire detection; the technology includes a statistical and geospatial accessibility analysis of the routes. The key data are a transport model consisting of public roads and forest glades on the regional scale. We described the main principles of the transport model construction and usage, and their implementation for the Russian Federal Districts. An access routes database for the 2002–2019 fire seasons, a central part of the Siberian Federal District, was produced and analysed. By using a hot spot analysis, we confirmed that forest fires are poorly accessible away from the centre of the Siberian District. The created road accessibility maps show “a proposed ground access zone” within the key area to fight forest fires for the fire seasons to come.
APA, Harvard, Vancouver, ISO, and other styles
7

Ivanova, Lubov, Andrey Kurkin, and Sergei Ivanov. "Methods for optimizing routes in digital logistics." E3S Web of Conferences 258 (2021): 02015. http://dx.doi.org/10.1051/e3sconf/202125802015.

Full text
Abstract:
The current problem of digital logistics is investigated - the calculation of optimal routes for freight transportation by computer means to reduce time and distance. Heuristic methods used in logistics for constructing optimal routes are considered. A comparative analysis of ten methods for solving the optimization problem of the “nondeterministic polynomial time” complexity class traveling salesman is carried out. The study performs a comparative analysis of the following methods: “convex hull, cheapest insertion and angle selection”, “greedy”, “greedy-cycle”, “integer-linear-programming”, “or-opt”, “or-zweig”, “remove crossings”, “space filling curve”, “simulated annealing”, “two-opt”. A computational experiment is performed, on the basis of which the accuracy and computational complexity of the considered methods are estimated. The results of the computational experiment show the construction of the optimal route by the “integer-linear-programming” method and the highest computation speed for the “greedy” method. Application of the “integer-linear-programming” method in logistics is the most accurate at the optimal time for calculating efficient routes of freight traffic.
APA, Harvard, Vancouver, ISO, and other styles
8

Yudin, Alexandr V., Artem N. Stratienko, Mukhriddin M. Madumarov, and Margaryta A. Myrnenko. "Construction of routes in augmented reality using GIS technologies." RUDN Journal of Engineering Researches 21, no. 3 (December 15, 2020): 189–96. http://dx.doi.org/10.22363/2312-8143-2020-21-3-189-196.

Full text
Abstract:
At present, one of the promising directions of development in the field of information technologies is augmented reality, which offers access to real-world data through the device's camera using an interactive data display approach. Augmented reality is widely applied in various areas of life: beginning from game applications, finishing with professional applications for briefing, training for personnel in a manufacturing sector, heavy mechanical engineering and the high-tech sector, thereby providing an opportunity to use virtual instructions for implementation of the qualified operations. Also, the main way to apply augmented reality is location service - the possibility to track the position of objects on the geographic information map in real time. The article discusses ways of constructing routes in augmented reality on the field of location service data and explores the peculiarities of application. Problems identified when applying the above method are analyzed. An example of route construction is given on the map with reference to location service data and on the stage of augmented reality with calculated coordinates of route points. Methods of converting geographical coordinates into coordinates of augmented reality scene are presented.
APA, Harvard, Vancouver, ISO, and other styles
9

Antonio, Rosimeire Ribeiro, Angelo Antonio Agostinho, Fernando Mayer Pelicice, Dayani Bailly, Edson Kioshi Okada, and João Henrique Pinheiro Dias. "Blockage of migration routes by dam construction: can migratory fish find alternative routes?" Neotropical Ichthyology 5, no. 2 (2007): 177–84. http://dx.doi.org/10.1590/s1679-62252007000200012.

Full text
Abstract:
The present study explored the interaction between the upriver migration of fish and the blockage of their migration routes by dam construction. Specifically, we studied (i) the capacity of migratory fish to locate alternative routes in the presence of an obstacle, and (ii) the behavior of the fish after they were artificially transferred to the reservoir. With the use of the mark-recapture technique (tagging), the study was carried out near Porto Primavera Dam (UHE Engenheiro Sérgio Motta) between 1994 and 1999, a period prior to the closure of the floodgates and the installation and operation of the fish pass facilities. The fish were caught in the dam forebay downstream, marked with LEA type tags, and released upstream (5113 individuals; 14 species) and downstream (1491; 12) from the dam. The recaptures were carried out by local professional and amateur fishermen. A total of 188 individuals (2.8%) were recaptured, mostly the curimba Prochilodus lineatus. Nearly half of the recaptures downstream occurred in tributaries, especially in the Paranapanema River, indicating that in the presence of an obstacle the fish are able to locate alternative migration routes. The remainder stayed in the main channel of the Paraná River, at a mean distance of less than 50 km from the release point. Of the fish released upriver from the dam, approximately half were recaptured downriver. Although the river was only partly dammed, the movement of the fish downriver suggests that they became disoriented after being transferred. Those that remained upriver avoided the reservoir and moved, rather rapidly, toward the lotic stretches farther upstream. From these results it is clear that, in the course of the decision process in installing fish passes, it is necessary to take into account the existence of spawning and nursery areas downriver and upriver from the reservoir.
APA, Harvard, Vancouver, ISO, and other styles
10

Shichkina, Yulia, and Alexander Koblov. "Reducing the Amount of Data for Creating Routes in a Dynamic DTN via Wi-Fi on the Basis of Static Data." Journal of Computer Networks and Communications 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/9128785.

Full text
Abstract:
This article presents the results of research on the acceleration of data processing in the construction routing in dynamic DTN, realized through the devices established in moving objects and connected by means of Wi-Fi. The routes are constructed based on the prehistory of the movement of objects, which is stored in the database in the csv format. This database has a large volume and contains unnecessary and incorrect information. The article shows the possibility of speeding up the process of constructing routes using data precleaning. Reducing data volume is proposed by constructing an enlarged grid on the object movement map. This article also demonstrates the use of fuzzy logic and graph theory for constructing routes.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Construction des routes"

1

Olivier, Myriam. "Le matériau terre, compactage, comportement, application aux structures en bloc sur terre." Lyon, INSA, 1994. http://www.theses.fr/1994ISAL0004.

Full text
Abstract:
Le matériau Terre désigne les matériaux meubles argileux que l'on trouve en général sous la terre végétale. Il est utilisé en génie civil pour la construction de remblais ou de couches de chaussées. C'est également un matériau de construction utilisé depuis des millénaires et que l'on redécouvre aujourd'hui. La première partie de cette étude a eu pour objet d'évaluer 1 'influence de la composition du matériau et des conditions de mise en œuvre sur les caractéristiques géotechniques de la terre après compactage pour son utilisation en génie civil et en construction. Ensuite, l'évolution des caractéristiques mécaniques et rhéologiques de ce matériau a été étudiée durant son séchage. Certaines modélisations développées pour les sols non saturés et pour les bétons ont été appliquées aux résultats expérimentaux. Une partie de cette étude a été faite sur les sols traités à la chaux et au ciment. Une autre partie a été consacrée aux structures maçonnées en blocs et mortiers de terre. Un élément de maçonnerie plane, ainsi qu'un arc et une coupole ont été expérimentés. Les modélisations numériques réalisées en prenant en compte un comportement élastique des matériaux et l'ouverture des fissures ont donné des résultats proches des résultats d'essais
Earth means all type of loose soils which can be generally found under humus. It can be used in civil engineering for the building of embankments or for road layers. It is also a building material that has been used for thousands of years and is now being rediscovered. The object of the first part of this study is to evaluate the influence of the composition of the mate rial and of the conditions of its implementation on the geotechnical characteristics of earth, after compaction, for its use in civil engineering and construction. Then, the evolution of the mechanical and rheological characteristics of this mate rial have be en studied during its drying. Some models, developed for non saturated soils and for concrete, have been applied to the experimental results. A part of this study has been performed on lime and cement treated soils. Another part concerns masonry structures made with earth blocks and earth mortars. An element of plane masonry, as well as an arch and a cupola have been tested. Numerical models using an elastic constitutive law and taking cracks into account have given results very close to experiments
APA, Harvard, Vancouver, ISO, and other styles
2

Hoang, Tung. "Tronçons autoroutiers : une méthodologie de modélisation environnementale et économique pour différents scénarios." Nantes, 2005. http://www.theses.fr/2005NANT2115.

Full text
Abstract:
Aujourd’hui, la décision de construire une infrastructure routière ne peut plus se limiter aux seuls critères techniques. Les routes font l’objet d’études d’impact environnementales dont l’objectif est de favoriser l’insertion des routes dans le territoire qu’elles traversent et également d’études économiques destinées à justifier leur existence. Mais au-delà de son tracé, la construction et l’entretien d’une route génère des pressions sur l’environnement en terme de consommations de ressources (énergie, matériaux) et d’émissions potentiellement polluantes. De plus, l’ensemble des pressions exercées peuvent être différentes (en nature et en intensité) selon l'étape de la vie de route. Enfin, ces pressions environnementales représentent un coût économique dit externe, c’est à dire supporté par la société et non par l’entité qui les génère. Partant de ce constat, ce travail de thèse décrit le processus d’élaboration d’un outil d’évaluation globale des routes appliqué à des tronçons d'autoroutes. Fondé sur une approche cycle de vie, s'inspirant des méthodologies ACV, cet outil permet une modélisation des pressions environnementales élargie aux effets sur les usagers et aux coûts externes associés. L'approche méthodologique réalisée est adaptée à la modularité des ouvrages routiers en terme de matériaux, structures, géométrie, sols en place, et permet une réactualisation temporelle des données. L'outil développé permet de déterminer les incertitudes et la sensibilité aux différentes variantes et paramètres étudiés ; il est applicable facilement à des cas réels : une étude de cas autoroutier est présentée.
APA, Harvard, Vancouver, ISO, and other styles
3

Dehaynin, Christian. "Les routes d'Algérie : 1830-1865." Paris 8, 1993. http://www.theses.fr/1993PA080905.

Full text
Abstract:
En 1830, la connaissance de l'espace algerien ; espace physique, social, religieux fait l'objet d'une conquete dans la conquete. De la conquete vers la maitrise se dessine, au travers des connaissances acquises, l'espoir de dominer l'algerie par la transformation de son espace et de son temps. La route forme la premiere inscription du nouvel ordonnancement de l'espace et du temps. La presence cote a cote des civils et des militaires (ponts et chaussees et genie) engages dans la transformation des territoires determine une ligne de fracture qui parcourt les phases de transformation et les organise suivant deux poles qui sont pour les militaires la strategie et pour les colons la prosperite. L'evolution de la colonisation montre que la route est l'auxiliaire le plus efficace de l'alienation et de la transformation des territoires. Elle accroit le controle, la rentabilite, elle favorise une societe duale. De ce fait, elle s'incrit totalement pour la population coloniale, dans le double mouvement de dominer et de se dominer
In 1830, the knowledge of algerian space-physical, social and religious es the object of a conquest within the conquest. From conquest to control, the acquisition of knowledge outlines the hope of dominating algeria by the transformation of its space and time. The road is the first feature of the new arrangement of space and time. The presence side by side of civilians and soldiers (civil departement of engineering and military engineering) involved in the transformation of the territories, dranws a line of separation which runs through the phases of the transformation and organizes them around two poles that are, for the soldiers, strategy and, for the colonists, prosperity. The evolution of colonization shows that the road is the most effective auxiliary in the process of alienation and transformation of the territories. It encreases control and productivity, it furthes the creation of a twofold society. In thes respect, it is part and parcel of the colonist's attempt to dominate himself
APA, Harvard, Vancouver, ISO, and other styles
4

Nakhla, Mohamed. "Déterminismes cachés et mécanismes de choix dans le système politico-administratif local : cas de la programmation des routes départementales." Paris, ENMP, 1989. http://www.theses.fr/1989ENMP0170.

Full text
Abstract:
La participation de l'auteur a un groupe de reflexion, en 1987, sur les techniques de la route lui a permis de s'orienter vers l'etude du processus de decision et de choix des travaux au niveau local, particulierement departemental. Cette orientation de la reflexion a suscite une interrogation qui est au centre de ce travail: quelle est la nature du processus de decision observe? quel role peut avoir un outil d'aide a la decision au niveau local et, plus generalement, dans le processus de programmation et de choix des travaux sur le reseau departemental? une analyse detaillee des choix effectues depuis une dizaine d'annees et leur comparaison a une simulation de programmation elaboree avec les decideurs selon le principe de la recherche-intervention, fournissent des elements de reponse: vu de plus pres, le processus de decision s'apparente a des automatismes de gestion et de programmation qui sont parfaitement logiques au niveau local, mais dont les consequences globales peuvent echapper totalement a la volonte des decideurs. Finalement, il semble que les differents decideurs ne soient pas simplement definis par rapport a un systeme de jugement qui s'impose a eux, mais aussi par rapport a l'ensemble des moyens de leurs pratiques habituelles, qui incluent leurs objectifs institues, le savoir qu'ils mobilisent et aussi leur culture professionnelle. Ce systeme de jugement conduit a des automatismes de choix, mais aussi a un processus de definition des priorites, deterministe et relativement previsible, sur le reseau. Dans ce cadre deterministe, l'auteur examine les chances de reussite des differentes possibilites de modelisation des choix des travaux et esquisse quelques conditions pour ameliorer le processus existant et prevenir ses effets indesirables
APA, Harvard, Vancouver, ISO, and other styles
5

GUILLO, ERIC. "Modelisation et identification dynamique des engins mobiles de construction de routes." Nantes, 2000. http://www.theses.fr/2000NANT2008.

Full text
Abstract:
L'amelioration de la qualite des chaussees passe par une meilleure maitrise des engins mobiles qui interviennent dans sa realisation. L'etude de leur comportement en simulation et l'implantation de lois de commande avancees necessitent la connaissance de leur modele dynamique. Dans ce but, les travaux presentes dans ce memoire concernent la modelisation des engins mobiles de construction de routes ainsi que l'identification des parametres dynamiques du modele. Devant la diversite et la complexite structurelles des engins de chantier, une methode de description geometrique basee sur le parametrage de denavit-hartenberg modifie a ete proposee. Ceci revient a considerer l'engin mobile comme un robot manipulateur arborescent dont les roues et eventuellement les outils sont les organes terminaux. Cette description originale permet le calcul formel automatique des modeles geometrique, cinematique et dynamique. La methode d'identification retenue est celle utilisee pour les robots manipulateurs. Le modele d'identification est le modele dynamique inverse integrant le modele d'efforts de contact entre les roues et le sol, lineaire par rapport aux parametres a identifier. Des ameliorations concernant le filtrage des donnees et l'estimation iterative au sens des moindres carres ponderes ont ete mises en uvre. L'identification experimentale d'un compacteur de chantier autoroutier a ete realisee en collaboration avec le lcpc de nantes et le cer de rouen. Elle a necessite un travail important de specification, d'instrumentation et de developpement logiciel. Les excellents resultats obtenus pour les mouvements en ligne droite nous ont conduit a proposer l'expression d'un estimateur d'effort de contact sans capteur dedie. Ces travaux font l'objet d'une integration dans le projet osyris dont l'objectif est de developper un outil de cartographie des efforts introduits dans la chaussee par le passage de l'engin mobile.
APA, Harvard, Vancouver, ISO, and other styles
6

Yilmaz, Deniz. "Caractérisation hydrodynamique des laitiers d'acierie de conversion en construction routière." Ecole centrale de Nantes, 2010. http://www.theses.fr/2010ECDN0046.

Full text
Abstract:
L’accumulation des laitiers d’aciérie de conversion sur les sites de stockages est devenue un problème majeur en termes de gestion d’espace. D’une part, cela représente un coût de fonctionnement élevé, et d’autre part, la valorisation des laitiers d’aciérie de conversion dans des applications génie civil représente un enjeu économique considérable. Cela contribuerai également à la préservation des ressources naturelles, mais en même temps créerai un risque de pollution du fait de la potentialité du laiti er d’aciérie de conversion à relarguer des polluants. C’est dans ce cadre que ces laitiers sont étudiés en tant que matériau alternatif en génie civil, et plus particulièrement en construction routière. A fin d’évaluer l’impact environnemental du laitier d’aciérie de conversion dans un scénario d’ouvrage routier expérimental, les propriétés hydrodynamiques complètes ont été étudiées à l’aide d’essais d’infiltration in-situ et de bancs expérimentaux en laboratoire. Les résultats obtenus ont mis en évidence une modification de la microstructure des laitiers en surface de l’ouvrage routier du fait de la carbonatation du matériau. La capacité d’infiltration du plot expérimental a diminué avec le temps pour tendre vers des valeurs paliers. L’effet de l’hétérogénéité de surface, due à la mise en place du matériau, est également gommé avec le temps par le biais de la carbonatation du laitier en surface. Une caractérisation hydrodynamique complète à l’échelle temporelle et spatiale est proposée et expliquée au regard de l’évolution de la microstructure. Ces résultats pourront être utilisés dans une démarche d’évaluation de l’impact environnemental du laitier de conversion dans un scénario d’ouvrage routier
The accumulation of Basic Oxygen Furnace Slag on storage site becomes a major problem for land management and environmental issues. The reuse of BOF Slag represents an environmental challenge for preservation of primary resources. Indeed, the diminution of primary resources promotes the research of alternative solutions. In this way, the BOF slags are studied as alternative construction material in civil engineering, and particularly for road construction. In order to evaluate the environmental impact of th e BOF Slags used for an experimental project of road construction, the full hydrodynamic properties are described by using in -situ infiltration experiments and laboratory scale experiments. The results show a modification of the microstructure of BOF Slag in the experimental structure due to the carbonation of the material. The infiltration capacity of the structure has decreased in time to tend to borne value. The effect of the surface heterogeneity observed on the experimental structure, which appears at the first stage of the structure construction, disappeared with time due to the carbonation of the material. A full hydrodynamic characterization of BOF slag used in the experimental structure is proposed and discussed in regards to the evolution of microstructure. The proposed results will allow evaluating, in further researches, the environmental impact of slag related to pollutant transfer to the underlying soil
APA, Harvard, Vancouver, ISO, and other styles
7

Lemaire, Charles-Éric. "Estimation des efforts de contact cylindre / matériau d'un compacteur vibrant." Nantes, 2005. http://www.theses.fr/2005NANT2135.

Full text
Abstract:
Le compactage des routes est une phase majeure de la construction des routes. Les efforts de contact caractérisent l'action du compacteur, leur estimation est nécessaire à l'amélioration du compactage. La mesure des efforts de contact n'est pas possible, ils sont estimés grâce au modèle dynamique du compacteur. La modélisation revient à considérer le compacteur comme un robot manipulateur. Cette approche a été enrichie par le formalisme mixte eulerien lagrangien qui donne un modèle plus simple. La méthode d'identification retenue est celle des moindres carrés pondérés. Une attention particulière a été portée à la description complète de cette méthode. La partie expérimentale constitue une partie majeure du travail et s'articule autour de trois axes : - Instrumentation d'un compacteur, - Définition et mise en place des essais, - Intégration et validation de la méthode sur un chantier. Pour la première fois le torseur des efforts de contact d'un compacteur a été estimé sur un chantier réel.
APA, Harvard, Vancouver, ISO, and other styles
8

Philippot, Glen. "Conséquences énergétiques et environnementales de l'utilisation des enrobés tièdes lors de la construction des routes." Mémoire, École de technologie supérieure, 2010. http://espace.etsmtl.ca/1082/1/PHILIPPOT_Glen.pdf.

Full text
Abstract:
Le but de l'étude présentée dans ce mémoire est d'évaluer l'impact environnemental et énergétique de la fabrication d'enrobés tièdes à base d'un additif utilisé aujourd'hui au Québec, I'Evotherm® DAT H5. Les gains réels apportés par ces technologies tièdes étant mal connus, cette étude se propose de les évaluer de façon plus claire. La recherche s'articule d'une part sur une évaluation comparative des performances techniques en laboratoire de formules d'enrobés actuellement utilisées par l'entreprise DJL, partenaire de cette étude, et d'autre part sur des simulations énergétiques effectuées avec un logiciel écocomparateur développé par la firme Eurovia en France, dont DJL est une des filiales. Les résultats des simulations sont comparés à des mesures de consommation de ressources énergétiques et d'émissions de gaz effectuées par Eurovia lors d'un chantier en 2009. Les essais en laboratoire ont porté sur quatre formules d'enrobé de type ESG-10 faisant intervenir trois types de bitume différents. La baisse de température appliquée était de sooc par rapport à la température nominale de fabrication à chaud. Cette dernière dépend du grade de bitume utilisé. Les simulations informatiques reprennent les données de fabrication recueillies en centrale afin de pouvoir mener une comparaison des résultats. Il est apparu au final que l'utilisation d'enrobés tièdes à I'Evotherm® est bénéfique pour l'environnement, et permet une réduction globale du recours aux ressources énergétiques non renouvelables. Les résultats de performances en laboratoire, propriété de l'entreprise et non divulguables permettront de juger si malgré ces gains, les enrobés tièdes ont un avenir au Québec.
APA, Harvard, Vancouver, ISO, and other styles
9

Loughreit, Fouad. "Contribution à la modélisation hydrologique des chaussées a structure réservoir pour leur conception et leur simulation." Lyon, INSA, 1997. http://www.theses.fr/1997ISAL0017.

Full text
Abstract:
Ce travail de thèse a pour objet de définir des modèles et des outils permettant de mieux appréhender le fonctionnement hydrologique des chaussées à structure réservoir servant au stockage temporaire et au drainage des eaux pluviales. Il a pour but de fournil· des outils pour leur conception et leur comportement à différentes échelles spatiales. Ce mémoire est présenté en 4 parties : -La première partie définit le contexte de la recherche en faisant un point sur l'état de l'assainissement pluvial actuel, sur réémergence des techniques alternatives dont font partie les chaussées à structure réservoir, et enfin en, présentant les différentes formes que peuvent prendre ces ouvrages. A partir d'une typologie des problèmes rencontrés pour la compréhension de leur fonctionnement global, des axes de recherche sont proposés ; ce qui permet de mieux circonscrire le travail de thèse que nous proposons. - La deuxième partie est consacrée à la présentation et à la critique des différents modèles permettant de représenter le fonctionnement hydrologique d'une [chaussée à structure réservoir. A l'issue de cette partie une classification des différents modèles est proposée. - La troisième partie pose les bases d'un modèle conceptuel de chaussées réservoirs régulées ou non à l'aval et propose son calage à partir de mesures réalisées sur des sites expérimentaux dont deux ont été instrumentés et suivis par nos soins. Cette partie se termine par l'examen de la validation du modèle. -Enfin, une quatrième partie présente les résultats d'une étude de comparaison des outils de conception et de simulation des structures réservoirs pour des situations types
The major goal of the present thesis is to define models and tools which will help to foresee the hydrological functioning of porous pavement structures. In the meantime, tools for their conception and their behavior modelisation at different space scales will also be given. The study is presented in 4 different parts: - the first part defines the general context of research by presenting, on the first hand, the actual states of storm urban drainage and of the growing use of alternative techniques - of which porous pavement structures -, and on the second hand, the different forms that can adopt these particular structures. From the problems observed through the comprehension of their global functioning, new domains of research will be proposed. -The second part of the thesis is dedicated to the presentation, the criticism and the classification of different models used to define the hydrological functioning of porous pavement structures. The third section of the study fixes the bases for a conceptual model of both regulated and non-regulated porous pavement structures and proposes its calibration with data from two of our own experimental sites. This section ends, with the validation of the conceptual model. Finally, the fourth section shows the results of a comparison between different porous pavements conception and modelisation tools under typical situations
APA, Harvard, Vancouver, ISO, and other styles
10

Bohi, Zondjé Poanguy Bernardin. "Caractérisation des sols latéritiques utilisés en construction routière : cas de la région de l'Agneby (Côté d'Ivoire)." Paris Est, 2008. http://pastel.archives-ouvertes.fr/docs/00/50/30/10/PDF/These_Bohi_ZPB_deposee-final.pdf.

Full text
Abstract:
L'étude des sols latéritiques de la région de l'Agnéby en Côte d'Ivoire a été effectuée sur les données géotechniques des rapports d'étude de dix sections de routes construites en utilisant des graveleux latéritiques dans la structure de chaussée. Ces données comportaient des courbes granulométriques, des limites de consistance pour la fraction fine, des résultats d'essais Proctor modifié et d'essais CBR. Ces données ont fait l'objet de traitements statistiques classiques (caractérisation de la variabilité de chaque paramètre géotechnique, recherche de corrélations entre paramètres) et d'une analyse factorielle en composantes principales de l'ensemble des données (188 prélèvements). L'étude conclut que les échantillons de sols latéritiques analysés ont des propriétés assez voisines pour que l'on ne puisse pas les différencier clairement par analyse statistique. Elle conclut qu'il serait utile de prolonger l'étude en couvrant un territoire suffisamment grand (pays, partie du continent africain) pour qu'on y trouve les différents types de sols latéritiques décrits dans la littérature, notamment des latérites de forêt comme celles de l'Agnéby, des latérites de savane et des latérites de cuirasses anciennes. Le mémoire propose une méthodologie pour cette étude plus générale. Le mémoire comprend six chapitres, une introduction et une conclusion générales et donne en annexe l'ensemble des valeurs des données géotechniques utilisées
The lateritic soils from the Agnéby region in Ivory Coast were studied using geotechnical data from geotechnical investigations for ten road sections built with lateritic gravelly soils in the road structure. The data consisted of particle size distributions, consistency limits of the fine particles, modified Proctor compaction tests and CBR tests. These data were analysed by classical statistical methods (characterisation of the variability of each parameter, correlation analysis of pairs of parameters) and by principal component factor analysis of all the data (188 samples). The study concluded that the lateritic soils samples had rather similar properties and could not be clearly differentiated by statistical analysis. The author suggests that his study should be enlarged to sufficiently big territories (a country or a part of Africa), which would contain all the types of lateritic soils mentioned in the literature, including forest laterites like the ones in Agnéby region, savannah laterites and laterites from ancient cuirasses. A methodology is proposed for this study. The thesis consists of six chapters, a general introduction and a general conclusion and an appendix with all the geotechnical data used
APA, Harvard, Vancouver, ISO, and other styles
More sources

Books on the topic "Construction des routes"

1

Arquie, G. Routes. Vaulx en Velin [France]: E.N.T.P.E., 1985.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

Broome, Jon. Procurement routes for partnering: A practical guide. London: Thomas Telford, 2002.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

Autret, Paul. Routes dans les régions en développement. [Paris]: Ministère de l'équipement, du logement, des transports et de la mer, Laboratoire central des ponts et chaussées, 1989.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
4

Carruthers, R. J. B. Planning overhead power line routes. Letchworth, Hertfordshire, England: Research Studies Press, 1987.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

Roots and routes: Identity construction and the Jewish-Christian-Muslim dialogue. Amsterdam: Rodopi, 2010.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

Noppen, Luc. Du chemin du Roy à la rue Notre-Dame: Mémoires et destins d'un axe est-ouest à Montréal. Québec: Ministère des transports du Québec, 2001.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

Pierre Boucher de la Bruère. Rapport sur les chemins de colonisation dans le Bas-Canada pour l'année 1861. [Québec?: s.n.], 1986.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
8

Office, Great Britain Scottish. Rural road hierarchy and lorry rerouteing: A review for discussion. Edinburgh: SOID National Roads Directorate, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Ontario. Ministère des richesses naturelles. Directives environnementales pour la construction de routes d'accès et de traversées de cours d'eau. Toronto, Ont: Ministère des richesses naturelles, 1990.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

Bell, James A. The making of roads. [Toronto?: Ontario Dept. of Agriculture, 1993.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Book chapters on the topic "Construction des routes"

1

Liu, Xiaodong. "Parallel Bilingual CI Corpus Construction." In Cognitive Processing Routes in Consecutive Interpreting, 59–95. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4335-4_5.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Wu, Junwei, Yunlong Zhu, and Hanning Chen. "Road Network Construction and Hot Routes Inferring with Vehicular Trajectories." In Intelligent Computing in Bioinformatics, 351–62. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09330-7_42.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Pan, Yunhe. "Routes and Strategies of Intelligent City Development in China." In Strategic Research on Construction and Promotion of China's Intelligent Cities, 55–60. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6310-7_4.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Schmid, Stefan, Nicolas Schnepf, and Jiří Srba. "Resilient Capacity-Aware Routing." In Tools and Algorithms for the Construction and Analysis of Systems, 411–29. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72016-2_22.

Full text
Abstract:
AbstractTo ensure a high availability, communication networks provide resilient routing mechanisms that quickly change routes upon failures. However, a fundamental algorithmic question underlying such mechanisms is hardly understood: how to verify whether a given network reroutes flows along feasible paths, without violating capacity constraints, for up to k link failures? We chart the algorithmic complexity landscape of resilient routing under link failures, considering shortest path routing based on link weights as e.g. deployed in the ECMP protocol. We study two models: a pessimistic model where flows interfere in a worst-case manner along equal-cost shortest paths, and an optimistic model where flows are routed in a best-case manner, and we present a complete picture of the algorithmic complexities. We further propose a strategic search algorithm that checks only the critical failure scenarios while still providing correctness guarantees. Our experimental evaluation on a benchmark of Internet and datacenter topologies confirms an improved performance of our strategic search by several orders of magnitude.
APA, Harvard, Vancouver, ISO, and other styles
5

Turner, Richard Brent. "Constructing Masculinity." In Black Routes to Islam, 141–54. New York: Palgrave Macmillan US, 2009. http://dx.doi.org/10.1057/9780230623743_9.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Desrosiers, Jacques, and Yvan Dumas. "The Shortest Path Problem for the Construction of Vehicle Routes with Pick-Up, Delivery and Time Constraints." In Advances in Optimization and Control, 144–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-46629-8_10.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Raulerson, Peter, Jean-Claude Malraison, and Antoine Leboyer. "Constructing a Route." In Building Routes to Customers, 103–33. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-79951-3_6.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Uspenskiy, Vladimir, and Alexander Shen. "Algorithms and Geometric Constructions." In Sailing Routes in the World of Computation, 410–20. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94418-0_41.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Danchuk, Viktor, Talal Ameen, Olena Bakulich, and Vitaliy Svatko. "Simulation Processes of Construction of Optimal Routes for the Delivery of Goods by Road Transport on Urban Road Network in Mountainous Cities." In TRANSBALTICA XI: Transportation Science and Technology, 112–21. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38666-5_12.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Lebental, Bérengère, Boutheina Ghaddab, and Fulvio Michelis. "Nanosensors for Embedded Monitoring of Construction Materials: The “2D Conformable” Route." In Nanotechnology in Construction, 383–88. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17088-6_50.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Construction des routes"

1

Bashford, Stephen F., and William H. Askew. "Optimization of Service Routes in a Restricted Environment." In 9th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 1992. http://dx.doi.org/10.22260/isarc1992/0047.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Aljadhai, Saad, and Dulcy M. Abraham. "Evaluation of Proposed Highway Routes Based on the Existing Utilities: A Cost Estimate Framework." In Construction Research Congress 2016. Reston, VA: American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784479827.205.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Mehrvarz, Nassim, Zhilin Ye, Khalegh Barati, and Xuesong Shen. "Optimal Travel Routes of On-road Vehicles Considering Sustainability." In 37th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2020. http://dx.doi.org/10.22260/isarc2020/0070.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Manuhutu, F., W. B. Wan Nik, M. F. Ahmad, D. Pelupessy, and W. M. E. Wattimena. "Efficiently and Less Carbon Emmision Hybrid Catamaran for Short Distance Routes." In ICSOT Indonesia: Developments in Ship Design & Construction 2012. RINA, 2012. http://dx.doi.org/10.3940/rina.icsotin.2012.09.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Zhong-Jie Zhao. "Discussion on low-carbon society and its construction routes in China." In 3rd International Conference on Contemporary Problems in Architecture and Construction. IET, 2011. http://dx.doi.org/10.1049/cp.2011.1282.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Hong, Bingyuan, Xiaoping Li, Yu Li, Jingjing Gao, Yanhong Zhou, Baocheng Wei, Siqi Zhang, and Jing Gong. "Application of Genetic Algorithm on Optimal Pipeline Route Considering Complex Terrains and Obstacles." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84272.

Full text
Abstract:
Gathering network, which is usually characterized by various and complex structure, takes a large proportion of the overall construction cost of gas field. Optimization of pipeline routes is an effective way to reduce the investment. In this paper, a novel model for optimal route of pipeline considering complex terrains and obstacles is proposed and solved by Genetic Algorithm. Minimizing the total investment is the object of this model. Since the construction costs under different terrains are different, the distance factor Li, slope factor Di and elastic factor Si are introduced into the objective function to represent the length of the pipeline, the gradient of the pipeline, and the fluctuation of terrain. In addition, the performance of the model is verified by taking three typical situations of different terrains and obstacles as examples. The results illustrate that the proposed model can address the optimal design of pipeline routes in complex terrains. Moreover, the effects of different genetic operators on solutions are investigated, including three selection operators and two crossover operators. The study provides a guideline for designing pipeline routes in complex terrains and is also applicable to the analogous problem.
APA, Harvard, Vancouver, ISO, and other styles
7

Chen, W. T., and Z. J. Herbsman. "Setting the Construction Priorities of the Routes in a Common Duct Network." In Pipeline Division Specialty Conference 2006. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40854(211)29.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Wasi, S. Raza, and J. Darren Bender. "Spatially Enabled Pipeline Route Optimization Model." In 2004 International Pipeline Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ipc2004-0362.

Full text
Abstract:
An interesting, potentially useful, and fully replicable application of a spatially enabled decision model is presented for pipeline route optimization. This paper models the pipeline route optimization problem as a function of engineering and environmental design criteria. The engineering requirements mostly deal with capital, operational and maintenance costs, whereas environmental considerations ensure preservation of nature, natural resources and social integration. Typically, pipelines are routed in straight lines, to the extent possible, to minimize the capital construction costs. In contrast, longer pipelines and relatively higher costs may occur when environmental and social considerations are part of the design criteria. Similarly, much longer pipelines are less attractive in terms of capital costs and the environmental hazard associated with longer construction area. The pipeline route optimization problem is potentially a complex decision that is most often undertaken in an unstructured, qualitative fashion based on human experience and judgement. However, quantitative methods such as spatial analytical techniques, particularly the least-cost path algorithms, have greatly facilitated automation of the pipeline routing process. In the past several interesting studies have been conducted using quantitative spatial analytical tools for finding the best pipeline route or using non-spatial decision making tools to evaluate several alternates derived through conventional route reconnaissance methods. Most of these studies (that the authors are familiar with) have concentrated on integrating multiple sources of spatial data and performing quantitative least-cost path analysis or have attempted to make use of non-spatial decision making tools to select the best route. In this paper, the authors present a new framework that incorporates quantitative spatial analytical tools with an Analytical Hierarchical Process (AHP) model to provide a loosely integrated but efficient spatial Decision Support System (DSS). Specifically, the goal is to introduce a fully replicable spatial DSS that processes both quantitative and qualitative information, balances between lowest-cost and lowest-impact routes. The model presented in this paper is implemented in a four step process: first, integration of multiple source data that provide basis for engineering and environmental design criteria; second, creation of several alternate routes; third, building a comprehensive decision matrix using spatial analysis techniques; and fourth, testing the alternative and opinions of the stakeholder groups on imperatives of AHP model to simplify the route optimization decision. The final output of the model is then used to carry out sensitivity analysis, quantify the risk, generate “several what and if scenarios” and test stability of the route optimization decision.
APA, Harvard, Vancouver, ISO, and other styles
9

Seel, Kevin, and Adam Phillips. "Combining Expert Knowledge and Automation to Maximize Pipeline Route Optionality and Defensibility: A Case Study of the Aurora Pipeline." In 2018 12th International Pipeline Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/ipc2018-78289.

Full text
Abstract:
It has become increasingly difficult to successfully develop pipeline projects in North America. This stems from complex matters including environmental opposition, Indigenous rights, regulatory uncertainty, investor indecision and evolving policy. To manage these challenges, developers are advised to consider a route development methodology that provides both optionality and defensibility. This can be achieved through a process that characterizes the landscape based on level of constraint related to environmental and social factors, construction and operational limitations, strategic drivers and cost. Such a process must be analytically robust and able to adapt to new information and priorities emerging throughout the development phase. Particularly in the case of large-scale pipeline projects, traditional routing methods may prove too costly and time-consuming to undertake this analysis in a practical manner. Consequently, proponents may be left with fewer and less defensible route options. Recently, the Aurora Pipeline Team sought to advance preliminary corridor routing under a paradigm of maximum optionality and defensibility in evaluating pipeline routes across northern British Columbia, inclusive of strategic interconnections. Implementing Golder Associates Ltd. automated routing decision support system called “GoldSET” the team was able to rapidly perform a robust corridor options analysis covering over 400,000 km2. This systematic, data-driven process involved subject matter expert assessment of the level of constraint or opportunity associated with individual data layers in consideration of multiple, thematic scenarios. Having consolidated and mapped the aggregated level of constraint across northern BC, routes were generated along paths of least constraint with segments tested for agreement across multiple scenarios. In total, 72 routes comprising more than 50,000 km in total length were developed and evaluated for feasibility. This refinement process ultimately resulted in an interconnected network of approximately 180 pre-screened route segments totaling nearly 12,237 km of potential routes. The advantage provided in subsequent stages of the project was the ability to recognize, quantify and evaluate the tradeoffs between segments, and adapt the route as fatal flaws were encountered. During ensuing, constructability-focused phases of the routing process, optionality had been pre-established, and route changes were able to be made quickly where required. The automated process, in companion to subject matter expert participation, also provided a clear and defensible rationale as to why routes were considered optimal, and how potential impacts to sensitive features were addressed. The evaluation was completed in far less time and more cost-effectively than otherwise possible with traditional methods.
APA, Harvard, Vancouver, ISO, and other styles
10

Kitt, Benjamin J., Aaron Licker, and Joshua Cull. "Pipeline Route Planning for Multiphase Pipelines." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64198.

Full text
Abstract:
Pipelines transporting multiphase products (i.e. mixtures of liquids and gas) are common in the upstream oil and gas industry. However, there are numerous flow assurance challenges to the operation of multiphase pipelines, particularly in hilly terrain. For multi-phase pipelines the flow pattern, pressure drop, and associated liquid hold-up within the pipeline is highly dependent on the elevation profile, the gas to liquid ratio, the fluid properties, and the rate of flow. It is desirable to consider how multiphase pipelines can be routed to minimize these operational challenges. Variation from project to project and the complex nature of multi-phase flow can create challenges to developing common rules of thumb to be used in pipeline routing. There are commercially available software programs that model steady-state and transient flow conditions for multiphase flow, but these programs accept only one set of inputs for a particular routing scenario and the process of finding an optimal pipeline profile through the landscape can become tedious. Consequently, in the author’s experience, it is still common practice to develop pipeline routes for multiphase pipelines using traditional pipeline routing methods that are biased towards pipeline construction rather than operational factors. However, operational cost-savings can be realized through the application of multi-phase flow optimization in early pipeline routing and facility siting. This paper proposes an alternate method to routing multiphase pipelines using Geographic Information Systems (GIS) based design tools to simultaneously evaluate route options at a landscape level and model the hydraulic behavior of the multiphase flow to identify optimal pipeline routes that minimize the challenges related to multiphase flow. This method allows for proper consideration of the potential construction and operational challenges of multiphase pipelines to be integrated into the pipeline design and balance against various other factors which includes land use, construction methods, terrain challenges and environmental or social impacts. Considering these challenges early in the conceptual design process will help operators realize capital and operational cost savings while allowing for safer and more reliable pipeline operations. The method uses a multi-criteria approach coupled with a hydraulic model with the ability to balance the influence each factor has on the calculated “least cost path” to route options that improve the flow assurance aspects by strategically navigating the terrain while respecting the host of other factors that contribute or influence the final chosen pipeline route. Using this method, operators can be assured that where opportunities exist to improve the hydraulic performance of a pipeline through route selection, these opportunities will be presented as outputs of the model and expert judgment can be used to determine the final pipeline alignment.
APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "Construction des routes"

1

Habert, Guillaume, and Francesco Pittau. Synthèse conjointe «Constructions durables en béton» du PNR «Energie». Swiss National Science Foundation (SNSF), February 2020. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2020.5.fr.

Full text
Abstract:
À l’échelle de leur cycle de vie, toutes les constructions de Suisse – c’est-à-dire les bâtiments, les routes, les ouvrages d’infrastructure, etc. – représentent environ 50 % des besoins d’énergie finale de la Suisse. De plus, elles sont responsables de plus de 30 % des émissions de CO2, un gaz à effet de serre. Au cours des dernières décennies, les besoins énergétiques et les émissions de CO2 liées à l’utilisation des bâtiments ont fortement diminué. L’énergie grise contenue dans les bâtiments et les émissions de CO2 issues de la production des matériaux de construction, de la rénovation et du démantèlement sont cependant restées élevées. Le potentiel d’amélioration est considérable à cet égard. Le projet conjoint « Béton à basse énergie » jette les fondements d’une transformation de l’industrie de la construction en un secteur durable. Il se concentre notamment sur le béton en tant que matériau de construction engendrant des niveaux particulièrement élevés d’énergie grise et d’émissions de CO2. Les résultats de ce projet conjoint sont résumés et interprétés dans la présente synthèse « Constructions durables en béton ». Le projet conjoint s’est avant tout concentré sur les objectifs suivants : Réduire les émissions de CO2 et l’énergie grise par une diminution drastique du clinker dans le ciment. Réduire l’énergie grise en remplaçant l’acier d’armature et de précontrainte dans les structures en béton par du bois et des matériaux de synthèse. Allonger la durée de vie des ouvrages grâce à une surveillance professionnelle et des mesures de rénovation adéquates, ce qui réduit les moyennes annuelles d’énergie grise et d’émissions de CO2. Les recherches montrent que les émissions de CO2 causées par le béton et les structures en béton peuvent être réduites d’un facteur 4 et l’énergie grise mobilisée d’un facteur 3.
APA, Harvard, Vancouver, ISO, and other styles
2

Liebreich, Michael, Michal Grabka, and Piotr Pajda. Opportunities for Electric Ferries in Latin America. Edited by Marcelino Madrigal, Raúl Rodriguez Molina, and Juan Roberto Paredes. Inter-American Development Bank, February 2021. http://dx.doi.org/10.18235/0003026.

Full text
Abstract:
This report provides an overview of the opportunity represented by the electrification of inland and coastal ferries in Latin America and the Caribbean. A review of electric ferry activity around the world and interviews with several project teams has been undertaken. In addition, a construction of an economic model the LATAM e-Ferry Model (LEFM) comparing the capital and operating costs of a typical mid-sized electric ferry to those of a conventional diesel-powered ferry was implemented. Finally, an assessment of five initial candidate routes for electrification and analysis of the electric ferry supply chain and identification of addressable market size in Latin America was determined.
APA, Harvard, Vancouver, ISO, and other styles
3

Li, Howell, Jijo K. Mathew, Woosung Kim, and Darcy M. Bullock. Using Crowdsourced Vehicle Braking Data to Identify Roadway Hazards. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317272.

Full text
Abstract:
Modern vehicles know more about the road conditions than transportation agencies. Enhanced vehicle data that provides information on “close calls” such as hard braking events or road conditions during winter such as wheel slips and traction control will be critical for improving safety and traffic operations. This research applied conflict analyses techniques to process approximately 1.5 million hard braking events that occurred in the state of Indiana over a period of one week in August 2019. The study looked at work zones, signalized intersections, interchanges and entry/exit ramps. Qualitative spatial frequency analysis of hard-braking events on the interstate demonstrated the ability to quickly identify temporary and long-term construction zones that warrant further investigation to improve geometry and advance warning signs. The study concludes by recommending the frequency of hard-braking events across different interstate routes to identify roadway locations that have abnormally high numbers of “close calls” for further engineering assessment.
APA, Harvard, Vancouver, ISO, and other styles
4

Bao, Jieyi, Xiaoqiang Hu, Cheng Peng, Yi Jiang, Shuo Li, and Tommy Nantung. Truck Traffic and Load Spectra of Indiana Roadways for the Mechanistic-Empirical Pavement Design Guide. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317227.

Full text
Abstract:
The Mechanistic-Empirical Pavement Design Guide (MEPDG) has been employed for pavement design by the Indiana Department of Transportation (INDOT) since 2009 and has generated efficient pavement designs with a lower cost. It has been demonstrated that the success of MEPDG implementation depends largely on a high level of accuracy associated with the information supplied as design inputs. Vehicular traffic loading is one of the key factors that may cause not only pavement structural failures, such as fatigue cracking and rutting, but also functional surface distresses, including friction and smoothness. In particular, truck load spectra play a critical role in all aspects of the pavement structure design. Inaccurate traffic information will yield an incorrect estimate of pavement thickness, which can either make the pavement fail prematurely in the case of under-designed thickness or increase construction cost in the case of over-designed thickness. The primary objective of this study was to update the traffic design input module, and thus to improve the current INDOT pavement design procedures. Efforts were made to reclassify truck traffic categories to accurately account for the specific axle load spectra on two-lane roads with low truck traffic and interstate routes with very high truck traffic. The traffic input module was updated with the most recent data to better reflect the axle load spectra for pavement design. Vehicle platoons were analyzed to better understand the truck traffic characteristics. The unclassified vehicles by traffic recording devices were examined and analyzed to identify possible causes of the inaccurate data collection. Bus traffic in the Indiana urban areas was investigated to provide additional information for highway engineers with respect to city streets as well as highway sections passing through urban areas. New equivalent single axle load (ESAL) values were determined based on the updated traffic data. In addition, a truck traffic data repository and visualization model and a TABLEAU interactive visualization dashboard model were developed for easy access, view, storage, and analysis of MEPDG related traffic data.
APA, Harvard, Vancouver, ISO, and other styles
5

Roesler, Jeffery, Sachindra Dahal, Dan Zollinger, and W. Jason Weiss. Summary Findings of Re-engineered Continuously Reinforced Concrete Pavement: Volume 1. Illinois Center for Transportation, May 2021. http://dx.doi.org/10.36501/0197-9191/21-011.

Full text
Abstract:
This research project conducted laboratory testing on the design and impact of internal curing on concrete paving mixtures with supplementary cementitious materials and evaluated field test sections for the performance of crack properties and CRCP structure under environmental and FWD loading. Three experimental CRCP sections on Illinois Route 390 near Itasca, IL and two continuously reinforced concrete beams at UIUC ATREL test facilities were constructed and monitored. Erodibility testing was performed on foundation materials to determine the likelihood of certain combinations of materials as suitable base/subbase layers. A new post-tensioning system for CRCP was also evaluated for increased performance and cost-effectiveness. This report volume summarizes the three year research effort evaluating design, material, and construction features that have the potential for reducing the initial cost of CRCP without compromising its long-term performance.
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Construction des routes' for particular source types:
Journal articles Dissertations / Theses Books
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography