Shearing Stress Model of Damage Bolt in Tunnel

被引：1
|
作者：
Xi, Xiaohua [1 ]
Gu, Shuancheng [1 ]
机构：
[1] Xian Technol Univ, Coll Architecture & Civil Engn, Xian 710054, Shanxi, Peoples R China
来源：
ADVANCES IN CIVIL ENGINEERING, PTS 1-4 | 2011年 / 90-93卷
关键词：
Damage bolt; neutral point; shear stress of the bolt; pullout load;
D O I：
10.4028/www.scientific.net/AMM.90-93.1761
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
When bolt is damaged, character of stress is different from character of shear stress integrated bolt. Firstly, Based on the displacement formula of the tunnel surrounding rock, the shear stress and axial force calculation formula of integrated bolt are educed. Subsequence, based on the BOUSSINESG formula of displacement, models on fully grouted bolt shear stress and axial force of uniform rock are educed under pullout load. Consequently, the author deduces shear stress model of bolt damage (completely void of bolt and grouting), combining modes on shear stress and axial force of integrated bolt and shear stress model of bolt under pullout load.
引用
收藏
页码：1761 / 1767
页数：7
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