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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/1174

Title: Mechanistic-empirical subgrade design model based on heavy vehicle simulator test results
Authors: Theyse, HL
Hoover, TP
Harvey, JT
Monismith, CL
Coetzee, NF
Keywords: HVS
Subgrade permanent deformation
Subgrade deflection
ATP
GeoShanghai 2006 Conference, 6-8 June 2006
Issue Date: Jun-2006
Citation: Theyse, HL, et al. 2006. Mechanistic-empirical subgrade design model based on heavy vehicle simulator test results. GeoShanghai 2006 Conference, Shangai, China, 6-8 Jun 2006, pp 8
Abstract: Although Accelerated Pavement Testing (APT) is often done with specific objectives, valuable pavement performance data is generated over the long-term that may be used to investigate pavement behaviour in general and calibrate mechanistic-empirical design models. This paper presents a study on subgrade permanent deformation based on the data generated from a series of Heavy Vehicle Simulator (HVS) tests done at the Richmond Field Station in California. The total subgrade deflection was found to be a better indicator of subgrade permanent deformation than the commonly accepted subgrade vertical strain. A mechanistic-empirical subgrade deformation model was also calibrated successfully for a range of subgrade permanent deformation levels from 1 to 21 mm. The subgrade permanent deformation was found to increase rapidly at subgrade deflection levels above 800 micron
Description: 2006 GeoShanghai Conference
URI: http://hdl.handle.net/10204/1174
Appears in Collections:General science, engineering & technology

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