By David Jones; John Thaddeus Harvey; Angel Mateos; Imad L Al-Qadi

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Read or Download Advances in pavement design through full-scale accelerated pavement testing: proceedings of the 4th International Conference on Accelerated Pavement Testing, Davis, CA, USA, 19-21 September 2012 PDF

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Extra info for Advances in pavement design through full-scale accelerated pavement testing: proceedings of the 4th International Conference on Accelerated Pavement Testing, Davis, CA, USA, 19-21 September 2012

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Surfacing materials evaluated with f-sAPT. terraroadalliance. edu/faculty/ sroman/AFD40/ Figure 3. Load characteristics related to observed f-sAPT performance. improving the cost effectiveness of the overall programs through cooperative efforts of program planning, data analysis, and device improvements. A list of the identified associations is shown in Table 3 with their associated contact details. 4 include functional distress in their evaluations, with the second-most selected option in the questionnaire indicating that functional distress is not deemed applicable for evaluation using f-sAPT.

Caro & E. Rueda Department of Civil and Environmental Engineering, Universidad de los Andes, Bogotá, Colombia ABSTRACT: This paper describes the development of a new apparatus to perform accelerated loading tests on pavement structures. This apparatus is the main component of the laboratory of physical modeling of pavements at the University of Los Andes in Bogotá Colombia. 5 m deep; the pavement structure is constructed in this pit and it allows the control of the water table and the environmental conditions over the pavement surface; (ii) the linear loading test apparatus, and (iii) a mini asphalt plant that simplifies tests with modified asphalt materials.

30 Figure 10. Horizontal and vertical stresses and strains for both geometric loading conditions. test pit construction for other HVS sites, it was decided that the best working configuration for the HVS in Costa Rica would be: no access ramp and 3 m of depth. The decision of not using a test ramp is based on the fact that the use of the ramp significantly reduced the effective test area of the test pit: by eliminating the ramp, one additional test section can be allocated within the test pit. Additionally, a 3 m deep test pit was selected after considering that higher testing loads might be applied in the future and this slight increase in test pit depth can accommodate an increase in applied load.

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