Results 211 to 220 of about 2,932 (265)

Geogrid in Flexible Pavements

Transportation Research Record: Journal of the Transportation Research Board, 2008
Full-scale accelerated testing was used to provide new insight into quantifying the effectiveness of geogrids on low-volume flexible pavement performance. Although several previous studies report that geogrids improve pavement performance by enhancing structural capacity and reducing distress potential, the new study addresses how to maximize the ...
Imad L. Al-Qadi, Samer H. Dessouky, Jayhyun Kwon, Erol Tutumluer   +3 more
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Perpetual pavement design for flexible pavements in the US

International Journal of Pavement Engineering, 2006
Long lasting asphalt pavements have been designed and constructed in the United States for many decades. Pavements that have avoided structural failure in the presence of heavy traffic and which require only periodic resurfacing are advantageous in terms of minimizing life cycle cost and user delays.
David H. Timm, David E. Newcomb
openaire   +1 more source

Unified Pavement Distress Index for Managing Flexible Pavements

Journal of Transportation Engineering, 1992
One of the innovative approaches for maintaining and rehabilitating the nation's highways is to develop and implement some form of pavement management system (PMS). This paper documents results of a survey on PMS use in the United States. In addition, a simple method for a PMS based on priority ranking is presented.
C. H. Juang, S. N. Amirkhanian
openaire   +1 more source

Recycling of Waste Originating Form Flexible Pavements for Bound-Base Courses of Flexible Pavements

The Journal of Solid Waste Technology and Management, 2020
Reclaimed Asphalt pavement (RAP) is a C&D waste originating from the reclamation of asphalt pavement which has completed its service life. Using RAP would potentially reduce reliance on primary aggregates and lowers the environmental impact of construction.
Kumari Monu, G.D. Ransinchung R.N., Surender Singh, Gaurav Singh Raghav   +3 more
openaire   +1 more source

Viscoelastic Approach to Rutting in Flexible Pavements

Journal of Transportation Engineering, 1995
Permanent deformation (rutting) in bituminous pavements is treated as a linear viscoelastic flow phenomenon and is calculated using the linear elastic layered pavement model VESYS, reported by Kenis in 1978, supplied with equivalent viscous material properties.
Collop, Andy, Cebon, D., Hardy, M. S. A.
openaire   +2 more sources

Utilization of RAP in Flexible Pavements

2020
In modern days, life without the transportation industry is unimaginable. The roadways play a vital role in improving the economy of the country. As the roadways require necessary strengthening, rehabilitation or reconstruction depending on the severity of the damage caused to the structure during its service life, enormous quantity of RAP will be ...
Bhavana Suresh, K. H. Mamatha, S. V. Dinesh   +2 more
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Numerical Modeling of Flexible Pavements

International Review on Modelling and Simulations (IREMOS), 2015
The road is a civil engineering structure that is not computed as the other structures of the field, for all stakeholders in its design elements characterized by their multidisciplinary settings in their values and behavior. The roadway is a complex system in its structure composed of various heterogeneous materials, its unexpected behavior due to the ...
N. Bouacha, H. Chelghafe, A. Seboui
openaire   +1 more source

Optimal Flexible Pavement Design

Transportation Engineering Journal of ASCE, 1978
This paper proposes a model and solution procedure for the optimal design of flexible pavements that finds the best cost achievable for each possible combination of materials without actually computing the layer thicknesses. The primal-dual relationships and complementary slackness conditions of linear programming are used to reduce the required number
Alberto Garcia-Diaz, Judith S. Liebman
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Design Temperature on Flexible Pavements

Road Materials and Pavement Design, 2000
Simple models for calculating the representative hourly distribution of heavy traffic and asphalt layer temperatures are described.
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Permanent Deformation in Flexible Pavements

Journal of Transportation Engineering, 2004
This paper presents a mechanistic-empirical framework for evaluating permanent deformation in flexible pavements. The procedure uses rational material properties and can be used as an analysis tool, as a companion to the design method. The material properties required are (1) the stress dependent modulus of the pavement layers, asphalt concrete and ...
openaire   +1 more source