Study on the Shearing Strain of the Semi——Rigid Base Asphalt Pavement under Moving Load
[1]YAN Weihong,MENG Fenglin,DONG Zhonghong.Study on the Shearing Strain of the Semi——Rigid Base Asphalt Pavement under Moving Load[J].Journal of Zhengzhou University (Engineering Science),2010,31(02):51-.
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
31卷
Number of periods:
2010 No.02
Page number:
51-
Column:
Public date:
2010-02-02
- Title:
- Study on the Shearing Strain of the Semi——Rigid Base Asphalt Pavement under Moving Load
- Keywords:
- road engineering; shearing strain; dynamic response; axle load; speed; tire pressu
- CLC:
- -
- DOI:
- -
- Abstract:
- To study the premature disruption of the semi—rigid base asphalt pavement，a multi—layer viscoe·lastic dynamic model where the vehicle load is handled as moving load was used to analysis the dynamic re—sponse of the typical semi—rigid base asphalt pavement，and the influences of the axle load，the vehicle speedand the tire pressure on the shearing strain at the bottom of the AC layer and the shearing strain distribution inthe AC layer were studied．It showed that the shearing strains increase with the increase of the axle load andthe tire pressure，and increase with the decrease of the vehicle speed．Especially，when the axle load is rathersmall，the destory of the vehicle exerting on the pavement is mainly took place at the wearing surface layer andthe middle surface layer，while when the axle load is rather big，the destory is mainly set at the middle Surfacelayer and the low surface layer．The tire pressure has a notable influence on the shearing strain at the depthrange from 2cm to 8cm．With the increase of the tire pressure，the depth where the maximum shearing strainoccures becomes shallower．
- References:
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- Similar References:
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Last Update:
1900-01-01