Study on the Deformation Mechanism of Expansive Soil Tunnel Subjected to the Conditions of Wet and Dry Cycles

被引：0

作者：

Wu, Ke ^{[1
]}

Wu, Hao-Tian ^{[1
]}

Zhang, Wen ^{[1
]}

Liu, Jin-Long ^{[2
]}

机构：

[1] Shandong Univ, Res Ctr Geotech & Struct Engn, Jinan 250061, Shandong, Peoples R China

[2] Hefei Univ, Dept Civil Engn, Hefei 230022, Peoples R China

来源：

International Conference on Mechanics, Building Material and Civil Engineering (MBMCE 2015) | 2015年

关键词：

Deformation Mechanism; Expansive Soil; Tunnel; Wet and Dry Cycle; Numerical Simulation;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

As one special soil, expansive soil has many disadvantageous features, such as water swelling and dry shrinkage. Those features are not advantageous to tunnel construction in expansive soil region which is easy to cause the tunnel surrounding rock to deformation subjected to the condition of wet and dry cycles. In order to investigate the deformation mechanism of expansive soil tunnel, the finite element model is found and used to analyze the deformation vector, strain and stress during different conditions of wet and dry cycles. It can be obtained that the wet condition is more disadvantageous for expansive soil tunnel construction than that of dry condition. And, the continuous condition of wet and dry cycles are easy to bring the large deformation for tunnel surrounding rock.

引用

页码：864 / 867

页数：4