Elastoplastic Analysis of Surrounding Rocks of the Pressure Tunnel

被引：0
|
作者：
Shen, Qiong [1 ]
机构：
[1] Sichuan Agr Univ, Coll Urban & Rural Dev, Dujiangyan 611830, Peoples R China
来源：
ADVANCES IN CIVIL AND INDUSTRIAL ENGINEERING, PTS 1-4 | 2013年 / 353-356卷
关键词：
Pressure tunnel; Triple shear unified yield criterion; Radius of plastic zone;
D O I：
10.4028/www.scientific.net/AMM.353-356.1644
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
According to the triple shear unified yield criterion, the mechanical behavior of the pressure tunnel was put forward. The calculation formulas of the radius of plastic zone were deduced with considerations of the effects of the intermediate principal stress. The results show that the intermediate principal stress effect parameter b has influences on the radius of plastic zone. With the increase of the intermediate principal stress effect parameter b, the radius of plastic zone decreases. The radius of plastic zone is increased, because of the increase of the porous hydraulic pressure.
引用
收藏
页码：1644 / 1647
页数：4
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