Relevant bibliographies by topics / Flexible Roads Pavements Low-volume roads

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Academic literature on the topic 'Flexible Roads Pavements Low-volume roads'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Flexible Roads Pavements Low-volume roads"

1

Makendran, C., R. Murugasan, and S. Velmurugan. "Performance Prediction Modelling for Flexible Pavement on Low Volume Roads Using Multiple Linear Regression Analysis." Journal of Applied Mathematics 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/192485.

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Prediction models for low volume village roads in India are developed to evaluate the progression of different types of distress such as roughness, cracking, and potholes. Even though the Government of India is investing huge quantum of money on road construction every year, poor control over the quality of road construction and its subsequent maintenance is leading to the faster road deterioration. In this regard, it is essential that scientific maintenance procedures are to be evolved on the basis of performance of low volume flexible pavements. Considering the above, an attempt has been made in this research endeavor to develop prediction models to understand the progression of roughness, cracking, and potholes in flexible pavements exposed to least or nil routine maintenance. Distress data were collected from the low volume rural roads covering about 173 stretches spread across Tamil Nadu state in India. Based on the above collected data, distress prediction models have been developed using multiple linear regression analysis. Further, the models have been validated using independent field data. It can be concluded that the models developed in this study can serve as useful tools for the practicing engineers maintaining flexible pavements on low volume roads.
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2

Morton, Bruce S., Alex T. Visser, and Emile Horak. "Use of Foamed Tar for Construction of Flexible Pavement with Existing Unpaved Road Structure." Transportation Research Record: Journal of the Transportation Research Board 1819, no. 1 (2003): 314–22. http://dx.doi.org/10.3141/1819b-40.

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Low-volume and unpaved roads constitute the majority of the road network throughout the developing and developed world. Upgrading these unpaved roads to conform to standards of low-volume flexible asphalt pavements is a costly exercise. In most instances, this involves constructing an entirely new pavement base. Recent technological advances in the field of deep in situ recycling have provided pavement engineers with an alternative to standard rehabilitation and reconstruction methods of flexible pavements. One such technique of stabilization is foamed tar treatment of inferior natural pavement materials through the application of deep in situ recycling to produce a stabilized base for lowvolume flexible pavements. Foamed tar technology and the concept of deep in situ recycling, and its advantages over current reconstruction methods, were reviewed. Health aspects relating to implementation of the stabilization process were addressed with respect to the use of gasifier tar in a controlled recycling environment. The engineering properties of foamed tar mixes were compared with existing stabilization techniques. A test section was constructed with particular attention to the flexibility of foamed tar for placement time, workability, and durability to environmental conditions. Performance testing results were analyzed. In conclusion, the benefits of foamed tar stabilization for developing an improved road network in a cost-effective manner were evaluated.
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3

Ševelová, Lenka, and Alice Kozumplíková. "The numerical model for parametric studies of forest haul roads pavements." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 58, no. 5 (2010): 361–68. http://dx.doi.org/10.11118/actaun201058050361.

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Forest roads pavement structures are considered to be low volume roads. These roads serve as a mean of transport of wood and people. Besides they are currently often used for recreational purpose. The construction of the pavements should be suitable for forest transportation irrespective of their low bearing capacity. These pavement structures are very specific for special unbound materials that are used in their construction. To meet the requirements of the pavement designs and simulation analysis the FEM model in the software ANSYS was created.This paper compares two material models used for the description of the behaviour of unbound materials. The first is linear elastic according to Hook theory (H model) and the second one is nonlinear plastic model Drucker-Prager (D–P model). ANSYS software has been used to create flexible model based on the parametrers of variable principle. The flexible model is parametric to realize repeated calculations useful for optimization analysis.
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4

Timm, David H., and Eugene L. Skok. "Impact of Assumed Versus Measured Vehicle Distributions on County Road Flexible Pavement Design." Transportation Research Record: Journal of the Transportation Research Board 1819, no. 1 (2003): 244–50. http://dx.doi.org/10.3141/1819b-31.

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Accurate characterization of traffic is critical to the design of pavement structures. At the low-volume road level, a common practice is to use assumed vehicle type distributions based on statewide or regional studies instead of measuring the traffic for a particular location. The impact of this practice was investigated, and equivalent single-axle loads determined from measured vehicle distributions on 29 county roads in Minnesota were compared with those calculated from assumed distributions. It was found that significant differences exist between the assumed distribution and the measured distribution. Additionally, the impact of using assumed distributions on the structural design of flexible pavements was investigated. With data collected from 21 different county roads in Minnesota, it was found that using assumed distributions can result in over- or under-designed pavements, with asphalt concrete thicknesses often deviating by more than 50 mm (2 in.). Based on the results, it was recommended that Minnesota counties begin to evaluate when more detailed traffic studies are warranted to improve their designs and use of resources.
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5

Radziszewski, P., M. Sarnowski, A. Plewa, and P. Pokorski. "Properties of Asphalt Concrete with Basalt-Polymer Fibers." Archives of Civil Engineering 64, no. 4 (2018): 197–209. http://dx.doi.org/10.2478/ace-2018-0052.

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Abstract Asphalt mixtures are commonly used for the pavement construction for national roads with a high traffic load, as well as local roads with low traffic load. The constructions of local road pavement consisting of thinner, more flexible layers located on less stable subbase than the pavement of national roads, require reinforcement with asphalt layers characterized by increased fatigue life. Technologies that allow quick repairs and reinforcements, while improving the durability of the road pavement are being sought. Such technologies include the use of modifications of asphalt mixtures with special fibers. The paper presents the results of investigations of the properties of asphalt mixtures modified with innovative basalt-polymer fibers FRP. On the basis of the obtained test results according to the Marshall method, stiffness modulus and fatigue durability, the technical properties of asphalt mixtures with FRP fibers addition were improved. This technology significantly increases the fatigue life of asphalt concrete dedicated for repairs and reinforcements of road pavements.
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6

Szydło, Antoni, and Piotr Mackiewicz. "Analysis of the costs of construction and maintenance of rigid and flexible pavements." Transportation Overview - Przeglad Komunikacyjny 2018, no. 11 (2018): 31–42. http://dx.doi.org/10.35117/a_eng_18_11_04.

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The costs of construction and the future maintenance of expressways and motorways have a significant impact on the choice of technologies for their construction. The subject of the article is the analysis of the costs of construction and maintenance of rigid (concrete) and flexible (asphalt mixtures) pavements in Poland. The construction technologies and maintenance scenarios in service were analysed for selected pavement constructions of rigid and flexible motorways and expressways. The costs of construction and maintenance of these pavements in national conditions were determined. The fourth quarter of 2015 was adopted as the initial price level. On the basis of the analysis of the costs of construction and maintenance of the analysed structures, the advantage of rigid constructions made of cement concrete was demonstrated, especially in the aspect of the surface maintenance. The cost assessment was carried out for 30 years of exploitation. The concrete pavements on the road network in Poland have been used for over 20 years. They are present both on low-class roads and on the highest-class roads, i.e. motorways and expressways.
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7

Mahardika, Vera, Rachmat Mudiyono, and Soedarsono Soedarsono. "Perbandingan Konstruksi Dan Biaya Untuk Struktur Perkerasan Lentur, Kaku Dan Paving Blok Pada Jalan Pantai Utara Flores." Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil 4, no. 1 (2021): 9. http://dx.doi.org/10.25139/jprs.v4i1.3117.

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Flexible, rigid, and paving block pavements can be used as alternative roads because the soil conditions on the Pantai Utara Flores road are rocky soil with a relatively high CBR so that the most important role in withstand load is subgrade. The purpose of the Comparison of Construction and Costs for Flexible, Rigid, and Paving Block Pavement Structures on Jalan Pantai Utara Flores is to know which one most effective and efficient when viewed from the traffic load with each pavement using the Bina Marga method, AASHTO , and Direktorat Jendral Bina Marga. Jalan Pantai Utara Flores is access to Komodo Labuan Bajo airport which is a Class I road, rocky land with a relatively high CBR, rainfall of Labuan Bajo is relatively low, LHR in Labuan Bajo is relatively small, besides Labuan Bajo is a tourist area that should be supported by road access that has driving comfort so the suitable pavement structure for Jalan Pantai Utara Flores is flexible pavement. Meanwhile, based on the recapitulation of the analysis results, the cost of flexible pavement is Rp. 28,793,604,705,600, the cost of a rigid pavement is Rp. 34,218,430,585,828 and the cost of paving block pavement is Rp. 17,410,645,080,000 so it can be seen that the paving block pavement is most economical, but the paving block pavement structure has a very uncomfortable driving comfort besides that the paving block pavement structure cannot be passed by vehicles at high speed so that the paving block pavement structure is more suitable for controlling speed of vehicles such as roads in crowded urban areas and residential roads.
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8

Visser, Alex T., and Sally Hall. "Flexible Portland Cement Concrete Pavement for Low-Volume Roads." Transportation Research Record: Journal of the Transportation Research Board 1652, no. 1 (1999): 121–27. http://dx.doi.org/10.3141/1652-50.

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9

Praticò, Filippo Giammaria. "Simple Equations for Cost of Premature Failure of Flexible Pavements in Low-Volume Roads." Transportation Research Record: Journal of the Transportation Research Board 2474, no. 1 (2015): 73–81. http://dx.doi.org/10.3141/2474-09.

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10

Prakash Koganti, Shyam, Kommineni Hemantha Raja, Satish Sajja, and M. Sai Narendra. "A Study on Volume, Speed and Lane Distribution of Mixed Traffic Flow by using Video Graphic Technique." International Journal of Engineering & Technology 7, no. 2.1 (2018): 59. http://dx.doi.org/10.14419/ijet.v7i2.1.11044.

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Lane Distribution Factor (LDF) is an integral part of load calculations on urban and rural highways. LDF describes the distribution of vehicular traffic across the roadway. It depends on the traffic composition, speed and volume, origin destination patterns of drivers etc. LDF is developed for transportation planners and highway engineers based on an estimation of macro level utilization of each lane by the total traffic volume. The above information is absolutely necessary to understand the fatigue behaviour of the pavements through number of probable applications of wheel loads on a portion of the pavement which also decides the required thickness. Accordingly, the IRC: 37 - 2012 suggested a set of Lane Distribution Factor for use in the design of flexible pavements. A Two lane road and an Intermediate lane road in urban environment are evaluated using Video Graphic technique. Analysis is carried out for the collected data and the results are also presented in detail for each category of vehicles. Lane distribution factors and Directional distribution factors are developed for both Two lane and Intermediate lane roads.
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