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Journal articles on the topic 'Concrete road bridge'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

Phares, B. M., T. J. Wipf, and F. W. Klaiber. "Laboratory Testing of Low-Volume Road Bridge Alternative." Transportation Research Record: Journal of the Transportation Research Board 1624, no. 1 (1998): 148–59. http://dx.doi.org/10.3141/1624-18.

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In Iowa there are over 20,000 bridges on the secondary road system. The majority of these bridges are under the jurisdiction of county engineers with limited budgets; therefore many county engineers design and construct their own short-span bridges with their own labor force. The objective of this research is to perform laboratory testing on a bridge alternative that counties can design and construct. This concept involves the fabrication of precast units composed of two steel beams connected by a thin concrete deck. The concrete deck thickness is limited so that the units can be fabricated at

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2

Bodnar, Larysa, Serhii Zavhorodnii, Serhii Stepanov, and Vitalii Yastrubinetskyi. "ANALYSIS OF DURABILITY OF REINFORCED CONCRETE STRUCTURES OF BRIDGES ACCORDING TO THEIR TYPICAL DESIGNS." Avtoshliakhovyk Ukrayiny 264, no. 4 (2020): 58–63. http://dx.doi.org/10.33868/0365-8392-2020-4-264-58-63.

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Thousands of bridges built in the 20th century are operated on Ukrainian roads. In the limited funding of the road industry of Ukraine, the age of highway bridges is constantly increasing, the number of defects in structures is growing. The largest number of defects is concentrated in the bridge spans. The main part of the bridge spans consists of prefabricated reinforced concrete beams, manufactured in factories of reinforced concrete structures according to standard designs developed in the middle of the last century. As a result of long-term operation of bridges, the shortcomings of these d

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3

Yu, Tong-Hua. "Concrete trussed arch bridges in China." Canadian Journal of Civil Engineering 14, no. 6 (1987): 820–27. http://dx.doi.org/10.1139/l87-120.

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In this paper, the following points are presented: the valuable advantages of the concrete trussed arch bridge; the design consideration and simplified analysis of the bridge; the level of secondary stresses induced in the ends of truss members; the application of prestress to tensile members and bending sections of trusses; and different ways of construction of the bridge.A five-span prestressed concrete trussed arch bridge named the Zhushanlu Road Bridge at Jingdezhen City, Jiangxi Province, is described as an example of medium span bridges of the type popularly adopted in Chinese highway sy

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Phares, B. M., F. W. Klaiber, and T. J. Wipf. "Low-Volume Road Bridge Alternative." Transportation Research Record: Journal of the Transportation Research Board 1696, no. 1 (2000): 178–86. http://dx.doi.org/10.3141/1696-21.

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Recent reports indicate that a significant number of the nation’s bridges are either structurally deficient or functionally obsolete. A large number of these bridges are on the secondary road system and fall under the jurisdiction of county engineers with limited budgets and engineering staff. In response to this problem, a bridge replacement system was developed for simple span bridges with minimal to no skew that county engineers can design and build with limited resources. The bridge system involves fabrication of precast units consisting of two steel beams connected with a thin reinforced

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Ghindea, Cristian Lucian, Ionut Radu Racanel, and Radu Cruciat. "Dynamic Testing of a Reinforced Concrete Road Bridge." Key Engineering Materials 601 (March 2014): 207–10. http://dx.doi.org/10.4028/www.scientific.net/kem.601.207.

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Considering on one hand the calculation model of the bridge, simplifying assumptions and design criteria and on the other hand the inherent differences between the project and final structure, the real structure behaviour under traffic loads can be different from that one considered in the design stage. Therefore the need of experimental tests before commissioning of bridges arises and this task is generally conditioned by complexity of the structure, the technologies used in construction and the requirements of the relevant stakeholders. The paper presents the test conditions for a reinforced

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6

JAROMINIAK, Andrzej, Ewa MICHALAK, and Wojciech TOMAKA. "Modernization of Concrete Arch Road Bridge." IABSE Congress Report 16, no. 8 (2000): 1366–73. http://dx.doi.org/10.2749/222137900796313979.

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Stojic, Dragoslav, and Toma Kajganovic. "Composite timber-concrete road bridge structure." Facta universitatis - series: Architecture and Civil Engineering 5, no. 2 (2007): 141–48. http://dx.doi.org/10.2298/fuace0702141s.

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This work presents preliminary design of the road bridge made of laminated timber. The supporting system of the main bearing elements is made of the laminated timber in the system of arch with three joints; the bridge slab is designed as continuous slab, made of nine equal fields; each pair is made as composite timber-concrete beam, where the road slab is made of concrete and the needle pieces are made of timber. Fundament is based on HW piles. All the elements are designed to Eurocode.

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Mendes, P. T. C., M. L. T. Moreira, and P. M. Pimenta. "Reinforced concrete bridges: effects due to corrosion and concrete young modulus variation." Revista IBRACON de Estruturas e Materiais 5, no. 3 (2012): 388–419. http://dx.doi.org/10.1590/s1983-41952012000300008.

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Most of the Brazilian bridges of federal road network are made of reinforced concrete and are more than 30 years old, with little information about the mechanical properties of their constitutive materials. Along the service life of these bridges much modification occurred on vehicles load and geometry and in design standard. Many of them show signs of concrete and steel deterioration and their stability conditions are unknown. With the aim of contributing to the structural evaluation of reinforced concrete bridges it was decided to analyze the stresses in reinforced concrete bridge sections t

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Onyshchenko, Artur, Mykola Garkusha, Oleg Fedorenko, Oleksandr Davydenko, and Sergii Tsepelev. "Prospects of application of cement concrete coating on transport buildings." Dorogi i mosti 2021, no. 23 (2021): 178–96. http://dx.doi.org/10.36100/dorogimosti2021.23.178.

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Introduction. Road bridges are an integral part of the road network of transport infrastructure of Ukraine. The technical condition of the vast majority of road bridges does not meet modern requirements for road safety and structural reliability of structural elements.Problems. There are no recommendations for the design and installation of cement-concrete pavement on the reinforced concrete slab of the carriageway of road bridges, as well as an album of standard solutions of such structures.Goal. Analysis of the causes and types of cracking on cement concrete pavement, technical literature an

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10

Jia, Rui Hui, Yun Wei Chen, Yuan Qing Wang, Liang Zong, Jun Li, and Xi Min Zhang. "The Overall Optimization of Djoué Composite Steel-Concrete Bridge in the Congo (Brazzaville) National Road One Phase- II Project." Applied Mechanics and Materials 256-259 (December 2012): 1520–27. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.1520.

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In order to learn more about the composite steel-concrete bridge which the Djoué bridge of Congo (Brazzaville) National Road One Phase- II Project has selected, promote the design technologies of bridges and better understand and improve the relevant standards, The overall optimization design analysis of Djoué Bridge aiming at saving steel and improving bearing capacity is necessary. The Doctor Bridge was used in optimization of bridge type, concrete thickness and height of steel beam and they have been selected. It can provide technical references for the construction of the Djoué Bridge, the

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Rajchel, Mateusz, and Tomasz Siwowski. "Hybrid Bridge Structures Made of Frp Composite and Concrete." Civil and Environmental Engineering Reports 26, no. 3 (2017): 161–69. http://dx.doi.org/10.1515/ceer-2017-0043.

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Abstract Despite many advantages over the conventional construction materials, the contemporary development of FRP composites in bridge engineering is limited due to high initial cost, low stiffness (in case of glass fibers) and sudden composite failure mode. In order to reduce the given limitations, mixed (hybrid) solutions connecting the FRP composites and conventional construction materials, including concrete, have been tested in many countries for 20 years. Shaping the hybrid structures based on the attributes of particular materials, aims to increase stiffness and reduce cost without los

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Chen, Enli, Xia Zhang, and Gaolei Wang. "Rigid–flexible coupled dynamic response of steel–concrete bridges on expressways considering vehicle–road–bridge interaction." Advances in Structural Engineering 23, no. 1 (2019): 160–73. http://dx.doi.org/10.1177/1369433219866092.

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Steel–concrete bridges on highways are now widely used, and their dynamic coupling effect is more prominent under heavy vehicles. At present, for the study of vehicle–bridge coupling, it is difficult to reflect the mechanical response characteristics of the bridge pavement because the bridge pavement (road) is often considered as a load. In order to get closer to reality, we use the whole vehicle model and the bridge model to realize the dynamic coupling of highway vehicle–bridge. Moreover, the vehicle model can take into account tire characteristics, such as various linear and nonlinear suspe

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Kramer, Wandie, William Martin, and Harry Viljoen. "Demolition of Old Oak Bridge B4113: Condition of a 54-year old prestressed concrete bridge." MATEC Web of Conferences 199 (2018): 06002. http://dx.doi.org/10.1051/matecconf/201819906002.

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The extension of the 3rd lane on Trunk Road 9 Section 1 (N1) at Bellville in the Western Cape necessitated the demolition and replacement of the Old Oak Road Underpass Bridge B4113. This bridge had insufficient vertical clearance as well as insufficient horizontal clearance for the widening of the road. Furthermore, the existing precast beam and slab deck has suffered from repeated vehicular impact damage over the years, resulting in continued costly repairs. This paper describes the condition of this bridge after a 54-year service life. The primary objective is to report and comment on the co

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14

Kosaka, T. "Application of Precast Concrete in Road Bridge." Concrete Journal 58, no. 1 (2020): 52–54. http://dx.doi.org/10.3151/coj.58.1_52.

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Pogány, Andrei-Mihai. "Considerations on the Bearing Capacity of Existing Prestressed Concrete Bridges." International conference KNOWLEDGE-BASED ORGANIZATION 26, no. 3 (2020): 158–61. http://dx.doi.org/10.2478/kbo-2020-0131.

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AbstractMilitary actions generally unfold rapidly in different operational environments for which the commanding officer has assess the bearing capacity of the prestressed concrete bridges existing in the country’s road network. The bearing capacity is the maximum weight of the predetermined constitution convoy, which may safely circulate on the bridge, in stable conditions, considering the physical condition of the bridge. The paper shows that the bearing capacity will be assessed only through a technical analysis performed by an authorized expert together with a military engineer specialized

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Onyshchenko, Artur, and Volodymyr Zelenovskiy. "ANALYSIS OF EXPERIMENTAL RESEARCH OF PHYSICAL AND MECHANICAL PROPERTIES OF EPOXY ASPHALT CONCRETE FOR ITS APPLICATION ON BRIDGE COVERING ON ROADS." Avtoshliakhovyk Ukrayiny 1, no. 265 (2021): 43–51. http://dx.doi.org/10.33868/0365-8392-2021-1-265-43-51.

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Introduction. This paper considers the issue of improving the quality of coatings on road reinforced concrete, reinforced concrete bridges or metal bridges with orthotropic slab. The constructive decisions of increase of working capacity and fatigue durability of asphalt concrete coverings are offered. The results of the analysis of experimental researches of physical and mechanical properties of epoxy asphalt concrete are given. The efficiency of epoxy components in asphalt concrete mixtures, which significantly improve the physical and mechanical properties of bitumen, is shown. According to

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Yu, Yang, Lu Deng, Wei Wang, and CS Cai. "Local impact analysis for deck slabs of prestressed concrete box-girder bridges subject to vehicle loading." Journal of Vibration and Control 23, no. 1 (2016): 31–45. http://dx.doi.org/10.1177/1077546315575434.

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In bridge design codes, the dynamic impact factor (IM) is a well-accepted measure of the impact effect of vehicular loads on bridges. Many previous studies focused on the evaluation of IMs based on the global responses of the main girders while little attention was paid to the local impact effect on bridge decks. As a result, the IMs specified in many design codes, which were traditionally derived from the global responses of bridges, may not be necessarily reasonable for the design of deck slabs. This study was intended to investigate the local impact effect of vehicular loads on the deck sla

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18

Beltrami, Carlo. "Bridge Girder Heavily Damaged by Impact Vehicle Load: A Case Strategy for Structure Assessment and FRP Strengthening." Applied Mechanics and Materials 82 (July 2011): 606–11. http://dx.doi.org/10.4028/www.scientific.net/amm.82.606.

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Episodes like impact of traffic vehicles on existing bridges occur very frequently manly due to the increase of traffic volume and vehicles dimensions respect of actual roads and overpass geometry. An interesting case of FRP strengthening on existing deck bridge has been applied to one overpass of state road SS36 (Lecco, Italy). Heavy damage at both intrados and webs of I girder prestress beams was caused by impact of a vehicle higher then the vertical clear dimension between main road and crossing overpass. Extensive damage to concrete, subject to spalling and cracking, and complete failure o

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19

Choi, Youngjin, Jinhyuk Lee, and Jungsik Kong. "Performance Degradation Model for Concrete Deck of Bridge Using Pseudo-LSTM." Sustainability 12, no. 9 (2020): 3848. http://dx.doi.org/10.3390/su12093848.

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The purpose of a bridge maintenance strategy is to make effective decisions by evaluating current performance and predicting future conditions of the bridge. The social cost because of the rapid increase in the number of decrepit bridges. The current bridge maintenance system relies on traditional man-power-based methods, which determine the bridge performance by employing a material deterioration model, and thus shows uncertainty in predicting the bridge performance. In this study, a new type of performance degradation model is developed using the actual concrete deck condition index (or grad

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20

Vysotskaya, M., A. Kurlykina, D. Kuznecov, and A. Tkacheva. "ROAD SURFACE OF THE PAVEMENT COATING BRIDGE." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 6, no. 4 (2021): 21–35. http://dx.doi.org/10.34031/2071-7318-2021-6-4-21-35.

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The current topic of the reliability of bridge structures in modern conditions and the role of the structural layers of the roadway (road surface) in increasing and maintaining their operational reliability and durability are considered. The existing standard designs of road surface clothing and the materials used for their arrangement are considered. The analysis and systematization of information from Russian and foreign sources on the construction of the clothing of the driving road indicates the prospects and technical and operational advantages of using cast asphalt concrete mixtures in t

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21

Yan, Jingbo. "Cause and Prevention Measures of Concrete Cracks during the Construction of Road and Bridge Engineering." Frontiers Research of Architecture and Engineering 1, no. 3 (2018): 80. http://dx.doi.org/10.30564/frae.v1i3.64.

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Road and bridge engineering is an indispensable part of socialist economic construction in China, whose construction quality signifcantly affects the infrastructure construction level in the whole society. To meet the rapid economic development of various regions, construction scale and quantity of road and bridge engineering have been continuously expanded and increased, therefore, higher requirements for construction quality and construction standard are also presented. During the construction of road and bridge engineering, concrete crack is a key problem which affects the construction qual

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22

Visser, Gerrit, Kees Van Ijselmuijden, Ernst Klamer, and Gideon Van Zijl. "Retrofit and Renovation of Concrete Bridges with Fibre Reinforced Polymer (FRP): The Third Alternative." MATEC Web of Conferences 199 (2018): 09010. http://dx.doi.org/10.1051/matecconf/201819909010.

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This paper presents Fibre Reinforced Polymer (FRP) as a third alternative construction material worth considering when retrofitting a bridge structure. FRP offers the following advantages: lighter than steel and concrete, non-corrosive, low in maintenance, stronger than structural steel and fatigue resistant. FRP has been used in Europe and more specifically in the Netherlands for almost 20 years in the retrofitting of road bridges, in new pedestrian bridges, road bridges and lock doors for sluices. The Netherlands has recently developed the updated Dutch Design Code CUR Recommendation 96, whi

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Sein, Sander, Jose Campos Matos, and Juhan Idnurm. "STATISTICAL ANALYSIS OF REINFORCED CONCRETE BRDIGES IN ESTONIA." Baltic Journal of Road and Bridge Engineering 12, no. 4 (2017): 225–33. http://dx.doi.org/10.3846/bjrbe.2017.28.

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This paper introduces a possible way to use a multivariate methodology, called principal component analysis, to reduce the dimensionality of condition state database of bridge elements, collected during visual inspections. Attention is paid to the condition assessment of bridges in Estonian national roads and collected data, which plays an important role in the selection of correct statistical technique and obtaining reliable results. Additionally, detailed overview of typical road bridges and examples of collected information is provided. Statistical analysis is carried out by most natural re

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Siwowski, Tomasz, and Piotr Żółtowski. "Strengthening Bridges with Prestressed CFRP Strips." Selected Scientific Papers - Journal of Civil Engineering 7, no. 1 (2012): 79–86. http://dx.doi.org/10.2478/v10299-012-0021-2.

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Abstract Limitation of bridge’s carrying bearing capacity due to aging and deterioration is a common problem faced by road administration and drivers. Rehabilitation of bridges including strengthening may be applied in order to maintain or upgrade existing bridge parameters. The case studies of strengthening of two small bridges with high modulus prestressed CFRP strips have been presented in the paper. The first one - reinforced concrete slab bridge - and the other - composite steel-concrete girder bridge - have been successfully upgraded with quite new technology. In both cases the additiona

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Liang, Hong, Xiao Dong Liang, and Wen Long Du. "National Road 209 Line Shibi Mountain Bridge Concrete Anti-Carbonation Performance Analysis." Advanced Materials Research 919-921 (April 2014): 465–68. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.465.

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Concrete carbonation resistance is an important embodiment of concrete durability. This article takes National Road 209 line the Shibi Mountain Bridge as the research object. A series of carbonation experiments were did to test the concrete durability. The results show that: under a certain mixing radio, the concrete of T beams, bridge deck, pad stone and thin-walled pier taken from the Shibi Mountain Bridge, which was added admixtures, has a less carbonation depth. According to the theoretical calculations, protective layer resists the carbonation erosion effectively which gives a good protec

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Zhang, Yan. "Dynamic Response for Collision Load between Over-Height Truck and Curved Beam Bridge." Applied Mechanics and Materials 473 (December 2013): 25–29. http://dx.doi.org/10.4028/www.scientific.net/amm.473.25.

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In recent years, ultra-urban road overpass vehicle impact beam incident after another. High beam impact of vehicles on the overpass bridge safety impact has become another important issue. High trucks at home and abroad on the curve of reinforced concrete beam bridge working effect of the impact is still insufficient. Based on high-precision linear dynamic finite element simulation analysis, research under the action of high vehicle collision, reinforced concrete curved girder Bridges of local damage effect and the overall distortion performance. The results showed that: high vehicles on the b

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Fagen, M. E., and B. M. Phares. "Life-Cycle Cost Analysis of a Low-Volume Road Bridge Alternative." Transportation Research Record: Journal of the Transportation Research Board 1696, no. 1 (2000): 8–13. http://dx.doi.org/10.3141/1696-37.

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Life-cycle cost models offer engineers a means to evaluate the anticipated long-term economic performance of prospective design and construction alternatives. Traditionally, only initial investment costs and past experience were used to economically evaluate possible bridge designs. A more logical approach requires that all short- and long-term costs be considered in relation to project location, purpose, and performance specifications. The primary objective of life-cycle cost analysis is to evaluate the total ownership cost of all suitable alternatives. Recent reports indicate that a signific

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Konda, T. F., F. W. Klaiber, and T. J. Wipf. "Beam-in-Slab Low-Volume-Road Bridge System." Transportation Research Record: Journal of the Transportation Research Board 1819, no. 1 (2003): 405–12. http://dx.doi.org/10.3141/1819b-51.

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Funding for the repair and replacement of structurally deficient and functionally obsolete bridges is a nationwide problem. This problem is magnified for the managers of low-volume-road (LVR) systems who have limited budgets; thus, innovative replacement alternatives are always being sought. The beam-in-slab bridge (BISB) is an alternative replacement bridge developed in Iowa. The bridge consists of W-beam sections spaced 24 in. (610 mm) on center, with concrete filling the void space between them. Spans up to 50 ft (15.24 m) can be constructed with this low-cost alternative. Field and laborat

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Eremeev, Valery, Gennady Shmelev, Pavel Eremeev, and Daniil Eremeev. "Trends in the development of composite reinforced concrete structures of pedestrian aboveground overpasses." E3S Web of Conferences 274 (2021): 02006. http://dx.doi.org/10.1051/e3sconf/202127402006.

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Pedestrian bridges are an important part of the urban infrastructure that ensures the safety and comfort of pedestrians. They have a number of distinctive features compared to road bridges. Also, the pedestrian load itself has a significant dynamic component, which can lead to the occurrence of resonant phenomena. Composite reinforced concrete bridges are widely used among the road bridges. This is due to the possibility of including the roadway structure in the act, which increases the load-bearing capacity and reliability of the structure. The same advantages are typical for pedestrian above

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Kuklík, Petr, Lukáš Velebil, Anna Gregorová, and Petr Svora. "MONITORING AND PROTECTION OF TIMBER-CONCRETE BRIDGES." Acta Polytechnica CTU Proceedings 22 (July 25, 2019): 57–61. http://dx.doi.org/10.14311/app.2019.22.0057.

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The majority of timber bridges for ordinary road traffic are often made as timber-concrete composite structures. Concrete slab is something like as umbrella for timber. The reason for problems in timber-concrete bridges is nearly always poor detailing for durability and neglected maintenance. Mainly all aspects of timber protection and maintenance should therefore be considered even during the planning phase of bridge. Paper deals with evaluation of timber properties, system of opto-fiber sensors for monitoring and diagnostics of mechanical stress of timber-concrete bridges, and degradation of

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Folić, Radomir, and Doncho Partov. "Comparative analysis of some bridge management systems." Gradjevinski materijali i konstrukcije 63, no. 3 (2020): 21–35. http://dx.doi.org/10.5937/grmk2003021f.

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Safety and functionality of concrete road bridges are of a special importance for the traffic flow continuity in different circumstances including after earthquakes, floods, as well as after vessel or vehicle impact on piers. This is why almost all countries use Bridge Management Systems (BMS). They include the bridge inspection manuals, guidelines, report writing, bridge condition evaluation and determination of priorities (rating) for maintenance work or rehabilitation to achieve the design service life of bridges. This paper presents a comparative analysis of some documents of certain count

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Svoboda, Adam, and Ladislav Klusáček. "Possibility of Increasing the Load Bearing Capacity of Parapet Bridge Structures." Solid State Phenomena 272 (February 2018): 319–24. http://dx.doi.org/10.4028/www.scientific.net/ssp.272.319.

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Post-tensioning is a suitable, reliable and durable method for strengthening existing reinforced concrete bridge structures. The high efficiency of post-tensioning can be seen on many implemented applications for bridge reconstructions worldwide. There are still several thousands of beam and slab bridges the load capacity of which no longer meets the demanding transport conditions. The oldest reinforced concrete beam bridges, from 1905-1915, are designed according to the Austrian Ministry of Railways Bridge Standard of 1904 when the largest load to be considered was the 18-tonne road steamroll

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Brito, J. de, and F. A. Branco. "Road bridges functional failure costs and benefits." Canadian Journal of Civil Engineering 25, no. 2 (1998): 261–70. http://dx.doi.org/10.1139/l97-063.

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The economic feasibility of a road bridge network depends on its structural costs and functional benefits, which must be predicted in a long-term economic analysis. Nevertheless, road bridges are frequently built according to a lowest possible initial cost design, as long as the design service level is guaranteed, thus neglecting their long-term behaviour. In this paper, a global economic analysis, designed to be used in long-term economic studies related to concrete bridges management, is presented. Taking into account a rationalized costs and benefits analysis, the technique helps the user i

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Ellobody, Ehab. "Finite element modelling and design of composite bridges with profiled steel sheeting." Advances in Structural Engineering 20, no. 9 (2016): 1406–30. http://dx.doi.org/10.1177/1369433216678865.

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This article discusses the non-linear analysis and design of highway composite bridges with profiled steel sheeting. A three-dimensional finite element model has been developed for the composite bridges, which accounted for the bridge geometries, material non-linearities of the bridge components, bridge boundary conditions, shear connection, interactions among bridge components and bridge bracing systems. The simply supported composite bridge has a span of 48 m, a width of 13 m and a depth of 2.3 m. The bridge components were designed following the European code for steel–concrete composite br

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Krayushkina, Katerina, Tetiana Khymerik, Oleksandra Skrypchenko, Iurii Moshkovskyi, and Valerii Pershakov. "Investigation of Fiber Concrete for Road and Bridge Building." Procedia Engineering 187 (2017): 620–27. http://dx.doi.org/10.1016/j.proeng.2017.04.422.

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Ngo, Van Thuc, Thanh Quang Khai Lam, Thi My Dung Do, and Trong Chuc Nguyen. "Nano concrete aggregation with steel fibers: A problem to enhance the tensile strength of concrete." E3S Web of Conferences 135 (2019): 03001. http://dx.doi.org/10.1051/e3sconf/201913503001.

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In Vietnam, nano technology began to be interested in research and development, typically the seminar program of production research, silicon nano applications from waste materials and investment projects to build silicon nano manufacturing in Ho Chi Minh City. Researching the properties and applications of nano concrete in Vietnam with the desire to apply to some types of bridge and road structures today and step by step research on nano concrete application in designing some structure of bridges, roads, and other special works. With new materials used to determine the mechanical properties o

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Alexandru, Dima, and Răcănel Ionuţ Radu. "Design of the New Arch Bridge at Mioveni." Romanian Journal of Transport Infrastructure 3, no. 1 (2014): 12–22. http://dx.doi.org/10.1515/rjti-2015-0020.

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Abstract Road bridges with steel arches are used efficiently for medium and large spans. These solutions show advantages determined by the arches geometry, by the number and distributions of hangers and by the form and type of the arches bracing system. The appearance of the welding as standard connection procedure for steel bridges, for road bridge decks two solutions are mainly used: - the solution with a concrete slab acting together with the stringers and cross beams (the composite solution); - the solution with orthotropic deck (the orthotropic deck consists in a network formed by the con

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Benin, Andrey. "Application of Continuum Damage Mechanics Approach for the Strength Analysis of Reinforced Concrete Constructions." Applied Mechanics and Materials 725-726 (January 2015): 605–10. http://dx.doi.org/10.4028/www.scientific.net/amm.725-726.605.

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Finite-element modeling of reinforced concrete structure fracture process was carried out using models of nonlinear concrete with damage accumulation. Mechanism of cracks initiation in reinforced concrete structures was ascertained and kinetics of cracks growing in concrete due to corrosion of rebars was obtained. Fracture processes of road bridge fragment and railway bridge ballastless bed under corrosion of rebars was simulated.

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Yehia, Sherif A., and Christopher Y. Tuan. "Thin Conductive Concrete Overlay for Bridge Deck Deicing and Anti-Icing." Transportation Research Record: Journal of the Transportation Research Board 1698, no. 1 (2000): 45–53. http://dx.doi.org/10.3141/1698-07.

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Concrete bridge decks are prone to ice accumulation. Bridge decks freeze before the roads approaching them freeze, making wintry highway travel treacherous. Road salts and deicing chemicals are effective for ice removal but cause damage to concrete and corrosion of reinforcing steel in concrete bridge decks. The resulting rapid degradation of existing concrete pavements and bridge decks is a major concern to transportation and public-works officials. The use of insulation materials for ice control and electric or thermal heating for deicing have been attempted, with unsatisfactory results. Con

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Liang, Wei. "Durability of Road and Bridge Concrete and Spray-Coating Waterproof Material." Revue des composites et des matériaux avancé 31, no. 4 (2021): 227–35. http://dx.doi.org/10.18280/rcma.310406.

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Different from traditional waterproof methods for road and bridge concrete, the spray-coating waterproof material can effectively prevent rainwater and other corrosive liquids from entering the concrete structure, and it has a few functional advantages such as anti-carbonization, resistance to sulfate attack, and high elongation. Existing studies have discussed the impact of the microstructure of waterproof material on the structure of waterproof coating, the optimization of the mix ratios of waterproof material, and the influencing factors of the waterproof performance of waterproof material,

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Hubáček, Adam, and Rudolf Hela. "Concrete with High Content of Fly Ash Intended for Constructions with Long Durability." Solid State Phenomena 249 (April 2016): 21–27. http://dx.doi.org/10.4028/www.scientific.net/ssp.249.21.

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The article deals with theme of high fly ash content concretes intended for long life constructions. Considering the still growing consumption of fly ash in construction concretes it is a live theme in the Czech Republic and abroad as well. The emphasis will be laid namely on characteristics and requirements for fresh concrete intended for construction of these specific concrete constructions. They are for instance waterproof constructions, tunnel linings, concretes for bridge and road constructions etc. Also the hardened concrete properties like compressive strength, resistance to pressure wa

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Maki, Yuji, Tuan Minh Ha, Saiji Fukada, Kazuyuki Torii, and Ryohei Ono. "Current Status of Degraded Road Bridge Slab Located in Mountainous Area." MATEC Web of Conferences 206 (2018): 01019. http://dx.doi.org/10.1051/matecconf/201820601019.

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In the mountainous area of the Hokuriku region, bridges are suffering early deterioration caused by salt damage, alkali-silica reaction (ASR) and frost damage. Under such a regional situation, the load carrying capacity evaluation of these bridges has become an urgent issue. In this study, a statistical method–survival analysis–was carried out by using inspection data for bridges in the Hokuriku region, and the relationship between degradation tendency of bridges and regional characteristics causing salt damage, ASR and frost damage has been studied. In addition, the degradation causes of the

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Belyi, Andrei, Eduard Karapetov, and Ekaterina Tsygankova. "Design norms and live load development by the example of saint petersburg depot of reinforced concrete automobile road bridges." Proceedings of Petersburg Transport University, no. 3 (June 20, 2018): 344–57. http://dx.doi.org/10.20295/1815-588x-2018-3-344-357.

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Objective: To analyze and cover the statistical data concerning the development and application of live load and relevant design standards by the example of Saint Petersburg bridge constructions. Methods: A comprehensive three-stage analysis of technical documentation on the operated reinforced concrete bridge constructions of the city was applied. Historical and technical review of norms and specifications of design, since the end of the 19th century was conducted. Systematization, statistical analysis and splitting into stages and groups were carried out. Results: The article presents the de

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Bojović, A., A. Mora Muñoz, Z. Marković, and N. Novaković. "Network arches over the Danube – Railway Road Bridge in Novi Sad/Netzwerkbögen über die Donau – Eisenbahn-Straßenbrücke in Novi Sad." Bauingenieur 93, no. 03 (2018): 110–15. http://dx.doi.org/10.37544/0005-6650-2018-03-46.

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The Railway road bridge in Novi Sad (Serbia) is situated on the international railroad line No 2 (Belgrade-Budapest) and designed for two railway tracks (160 km/h), two road lanes and two footpaths. The bridge structure consists of four structures: two approach composite bridges at the banks and two steel tied network arch bridges over the river. The spans are 27,0 m + 177,0 m + 3,0 m + 219,0 m + 48,0 m, totally 474,0 m in length. The rises of arches are 34,0 m and 42,0 m respectively. The width of the bridge is 31,5 m. The arches and ties, as well as the girders of the approach spans, are ste

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Setiati, N. Retno, and Ireng Guntorojati. "Earthquake hazard mitigation analysis of the pier 231 Harbour Road Bridge." E3S Web of Conferences 156 (2020): 05001. http://dx.doi.org/10.1051/e3sconf/202015605001.

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Earthquake mitigation for infrastructure, especially bridges, needs to be done to avoid collapse of the bridge structure under earthquake load. The investigation and rehabilitation of existing bridges against earthquake hazards needs to be carried out through a screening process based on The Bridge Inspection Guidelines (Pd No.005-01/P/BM/2011). Based on the results of the inspection and the screening process, it can be determined whether the bridge is able to resist earthquake loads during its service lifetime or needs to be strengthened. This study aims to determine the strength capacity of

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Wang, Wen Qiang, and Hua Yan He. "Study on Performance of Epoxy Asphalt Concrete Applied in the Deck Pavement of Pingsheng Steel Bridge." Advanced Materials Research 150-151 (October 2010): 470–74. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.470.

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As a fair deck pavement material of its kind used in steel bridge, the epoxy asphalt concrete is considered much more superior to ordinary asphalt concrete in terms of road performance, while still greatly subject to the level of design and construction. Starting from a practical case of the epoxy asphalt concrete that has been applied in the deck pavement of Pingsheng Steel Bridge, this paper centers on a comprehensive study and discussion of the epoxy asphalt mixture, specifically in aspects of physical and mechanical performance test of stability under high temperature, performance under lo

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Chi, En An, Chun Ming Xie, Ming Sheng Zhao, Jun Yang, and Tie Jun Tao. "The through Arch Rib Road Bridge Numerical Simulation of Blasting Demolition." Applied Mechanics and Materials 533 (February 2014): 175–80. http://dx.doi.org/10.4028/www.scientific.net/amm.533.175.

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In order to ensure one through arch rib road bridge blasting demolition will go well, using separate common node reinforced concrete model, numerical simulate the process of bridge collapsed and disintegrate, at the same time, analyze the stress state of steel and concrete unit in detail. The simulation results show that separate common node model could reflect the mechanical properties difference of steel and concrete materials; destruction of the support part of bridge and joint parts reserved , meanwhile, blasting treatment of the joint parts of derrick and arches, also arch center derrick

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Li, Yan, Xiaolong Ma, and Wei Zhang. "Dynamic performance of a concrete-filled steel tube high-pier curved continuous truss girder bridge due to moving vehicles." Advances in Structural Engineering 22, no. 6 (2018): 1297–311. http://dx.doi.org/10.1177/1369433218811539.

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The dynamic performance of a new type of concrete-filled steel tube high-pier curved continuous truss girder bridges under moving vehicles is studied combining field testing and numerical simulation method by an actual bridge example. The dynamic response data were obtained before opening to traffic for the bridge under moving testing vehicles. A three-dimensional vehicle and bridge coupled vibration analysis model for curved bridges is proposed and validated. The dynamic behavior characteristics and vehicular ride comfort for this new type bridge are studied considering variable road surface

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Paul, Alistair. "Large and Small Incrementally Launched Structures." Transportation Research Record: Journal of the Transportation Research Board 1696, no. 1 (2000): 122–30. http://dx.doi.org/10.3141/1696-15.

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The technology for incrementally launched structures has been known for several decades. It had not been utilized in South Australia until a recent flurry of activity revealed that this method could be economically utilized for both small and large structures. Within 3 years, four structures of various sizes were constructed using the technique. A double-T prestressed concrete recreational jetty was incrementally launched at one of Adelaide’s suburban beaches (Brighton Jetty). Twin single-cell prestressed concrete (PSC) box girders were incrementally launched over eight lanes of traffic at a b

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Liu, Xiu, Xiao Mei Yu, Chu Ang Xu, and Jiang Wei Chu. "Cold Area Asphalt Concrete Deck Pavement Technology Research." Materials Science Forum 980 (March 2020): 239–43. http://dx.doi.org/10.4028/www.scientific.net/msf.980.239.

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As the problem of asphalt concrete bridge deck pavement is becoming more and more serious, how to improve its road performance has become the focus of the study. As the lack of shear strength and bond strength between layers, flaking, raveling and other diseases were occurred on steel bridge deck asphalt pavement. This paper combines the common damages of bridge deck and asphalt concrete pavement in cold area of northeast region, focuses on the analysis of the cause of asphalt concrete pavement damage causes, puts forward preventive measures and recommendations, and present the bridge deck pav

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