[1]李清富,杨泽涛,王鹏..半刚性路面TDC成因的有限元分析[J].郑州大学学报(工学版),2007,28(03):37-39.[doi:10.3969/j.issn.1671-6833.2007.03.010]
　LI Qingfu,Yang Zetao,Wang Peng.Finite element analysis of the genesis of TDC in semi-rigid pavement[J].Journal of Zhengzhou University (Engineering Science),2007,28(03):37-39.[doi:10.3969/j.issn.1671-6833.2007.03.010]
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半刚性路面TDC成因的有限元分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
28卷
期数:
2007年03期
页码:
37-39
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Finite element analysis of the genesis of TDC in semi-rigid pavement
作者:
李清富; 杨泽涛; 王鹏.
郑州大学,环境与水利学院,河南,郑州,450001, 郑州大学,环境与水利学院,河南,郑州,450001;东南大学,交通学院,江苏,南京,210096
Author(s):
LI Qingfu; Yang Zetao; Wang Peng
关键词:
TDC;  有限元;  最大剪应力
Keywords:
TDC;  finite elements;  Maximum shear stress
DOI:
10.3969/j.issn.1671-6833.2007.03.010
文献标志码:
A
摘要:
沥青路面向下扩展裂纹(Top-down Cracking,简称TDC)是导致沥青路面破坏的原因之一,也是目前道路工程领域研究的热点.为探讨TDC成因,建立了路面结构的三维有限元模型,并采用大型有限元软件进行计算.计算结果表明,在假定的车轮荷载作用下,路面结构最大剪应力发生在路面表层,位置在轮迹边缘,其大小接近或超过常温下沥青混合料的抗剪强度,是导致半刚性路面产生TDC的主要原因.
Abstract:
Top-down cracking (TDC) is one of the causes of asphalt pavement failure, and it is also a hot spot in the field of road engineering. In order to explore the causes of TDC, a three-dimensional finite element model of pavement structure is established, and large-scale finite element software is used for calculation. The calculation results show that under the assumed wheel load, the maximum shear stress of the pavement structure occurs on the surface of the pavement, and the position is at the edge of the wheel track, and its size is close to or exceeds the shear strength of asphalt mixture at room temperature, which is the main reason for TDC in semi-rigid pavement.

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更新日期/Last Update: 1900-01-01