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Test on rut causes of expressway asphalt pavement(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:
8-12
Research Field:
Publishing date:
2009-08-20

Info

Title:
Test on rut causes of expressway asphalt pavement
Author(s):
CUI Wen-she1; 2; TAO Jing3; ZHANG Zheng-qi2; LI Hong-hua2
1.Shaanxi Expressway Machinery Limited Corporation,Xi’an 710075,Shaanxi,China;2.Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang’an University,Xi’an 710064,Shaanxi,China;3.School of Electric and Control Engineering,Chang’an University,Xi’an 710064,Shaanxi,China
Keywords:
road engineering;  expressway;  asphalt pavement;  rut tester
PACS:
U416.217
DOI:
-
Abstract:
In order to analyze the influence of pavement structure on the depth of rut, PMW Hamburg rut tester was performed on the cored samples drilled from different section in an expressway with different depths of rut, different sites and different structural layers. Combined with the onsite investigated rut result, the causes of rut was analyzed. It is found that: the flow deformation in middle surface course caused by load, environment and temperature is the major reason; the rut depth formed in three layers structure pavement of roads is greater than that of two layers structure of deck pavement; adopting highquality materials, and enhancing the quality control in construction are the important ways to solve rut problems. 2 tabs, 9 figs, 8 refs.

References:

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Memo

Memo:
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Last Update: 2009-08-20