[1]付其林,陈拴发,彭翀..贫混凝土基层沥青路面温度-荷载耦合应力分析[J].郑州大学学报(工学版),2009,30(03):82-86.[doi:10.3969/j.issn.1671-6833.2009.03.021]
　Fu Qilin,Chen Jiaofa,Peng Chong.Temperature-load coupled stress analysis of asphalt pavement for poor concrete base layer[J].Journal of Zhengzhou University (Engineering Science),2009,30(03):82-86.[doi:10.3969/j.issn.1671-6833.2009.03.021]
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贫混凝土基层沥青路面温度-荷载耦合应力分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
30卷
期数:
2009年03期
页码:
82-86
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Temperature-load coupled stress analysis of asphalt pavement for poor concrete base layer

作者:
付其林; 陈拴发; 彭翀.
长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064, 长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064;长安大学,材料科学与工程学院陕西,西安,710061, 海南省交通厅,海南,海口,570204
Author(s):
Fu Qilin; Chen Jiaofa; Peng Chong
关键词:
道路工程;  沥青路面;  耦合应力;  反射裂缝;  三维有限元;  贫混凝土基层
Keywords:
DOI:
10.3969/j.issn.1671-6833.2009.03.021
文献标志码:
A
摘要:
为了分析贫混凝土基层沥青路面在不同路面结构和材料参数下的温度-荷载耦合应力状况,通过三维有限元数值方法,分析了沥青面层厚度和模量、贫混凝土基层厚度和模量及基层缩缝宽度对沥青路面温度-荷载耦合应力的影响.研究表明:沥青面层厚度和基层缩缝宽度对路面温度-荷载耦合应力有显著影响;基层厚度和模量时耦舍应力的影响不显著.适当增加沥青面层厚度对预防反射裂缝十分有效;改变贫混凝土基层的厚度和模量对预防反射裂缝作用不大;适当宽度的基层缩缝对延缓反射裂缝效果显著.
Abstract:

In order to analyze the temperature-load coupling stress of asphalt pavement under different pavement structure and material parameters, the effects of asphalt surface thickness and modulus, poor concrete base layer thickness and modulus and base joint width on the temperature-load coupling stress of asphalt pavement were analyzed by three-dimensional finite element numerical method. The results show that the thickness of asphalt surface layer and the width of base layer shrinkage have significant effects on the temperature-load coupling stress of pavement. The effect of coupling stress on the thickness and modulus of the base layer was not significant. Appropriately increasing the thickness of asphalt surface layer is very effective in preventing reflective cracks. Changing the thickness and modulus of the poor concrete base layer has little effect on preventing reflection cracks. Appropriate width of base layer shrinkage has a significant effect on delaying reflective cracks.

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更新日期/Last Update: 1900-01-01