|Table of Contents|

Comparative analysis of mechanical response of three typical asphalt pavement structures(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2009年04期
Page:
1-7
Research Field:
Publishing date:
2009-08-20

Info

Title:
Comparative analysis of mechanical response of three typical asphalt pavement structures
Author(s):
SHEN Ai-qin1; ZHANG Yan-hong1; GUO Yin-chuan1; TAI Dian-cang2; WU Chao-fan2
1.Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang’an University,Xi’an 710064,Shaanxi,China;2.Chinese First Institute Limited Corporation of Highway Survey and Design,Xi’an 710075,Shaanxi,China
Keywords:
road engineering;  asphalt pavement;  semirigid base;  flexible base;  composite base;  mechanical response
PACS:
U416.217
DOI:
-
Abstract:
Semirigid asphalt pavement, flexible base asphalt pavement and composite base asphalt pavement are the main structure forms of asphalt pavement at present. The mechanical distribution characteristics are different for different pavement structure forms. Based on the reconstruction project of Beijing—Tianjing—Tangshan expressway, this paper took the Shell Designing Software BISAR 3.0 as calculation tool to get the threedimensional response results of the three kinds of asphalt pavement, the distributions of main mechanical response variables were compared with each other using the software of Mathlab 7.0. Then a comprehensive analysis was made on the basis of the mechanical response distributions of the three structures. The results show that the every mechanical response degree of composite base asphalt pavement is between the flexible base asphalt pavement and semirigid asphalt pavement. The composite base asphalt pavement is in a better mechanical condition compared to flexible base asphalt pavement and semirigid asphalt pavement. 8 tabs，16 figs，18 refs.

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Last Update: 2009-08-20