|Table of Contents|

Impact of asphalt mixture gradation on stress-absorbing layer performance(PDF)

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

Issue:
2009年02期
Page:
33-36
Research Field:
Publishing date:
2009-02-20

Info

Title:
Impact of asphalt mixture gradation on stress-absorbing layer performance
Author(s):
TAN Yi-qiu1; SHI Kun-lei2; ZHU Feng1; XU Hui-ning1
1.School of Communications Science and Engineering,Harbin Institute of Technology,Harbin 150090,Heilongjiang,China;2.Shanghai General Institute of Municipal Engineering Design,Shanghai 200092,China
Keywords:
road engineering;  gradation;  reflective crack;  asphalt sand
PACS:
U414.1
DOI:
-
Abstract:
In order to study the influences, the favorable gradations are put forward to provide a guidance in road building, the properties of six kinds of stressabsorbing layer mixture with different gradations are studied in the lab. With the same highviscousasphalt and improved Superpave mix design method, the fatigue performance and low temperature performance of stressabsorbing layer mixture are tested. The results show that ACgraded and gapgraded stressabsorbing layer mixtures are more flexible at low temperature, they have better tensile performance and fatigue performance. Furthermore, the asphalt content of ACgraded and gapgraded stressabsorbing layer mixtures is not so abundant compared with others. So these two kinds of gradation should be adopted firstly in engineering project. 9 tabs, 1 fig, 9 refs.

References:

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Memo

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Last Update: 2009-02-20