摘要
借鉴有限元强度折减法的思想,对不同支护形式与不同应力释放率下的锚喷支护的隧洞围岩整体安全系数进行了研究,从而为判别支护效果和选择最佳支护时间段提供了理论基础。
According to the concept of the finite element strength reduction method,the thesis studied about the safety coefficient of tunnel whole surrounding rocks supported by bolt-shotcrete under different support patterns and stress release rates,which provided theoretical foundation for identify the supporting effects and choose the best support time.
出处
《山西建筑》
2010年第25期301-303,共3页
Shanxi Architecture
关键词
有限元强度折减法
安全系数
锚喷支护
应力释放率
ANSYS
finite element strength reduction method
safety coefficient
bolt-shotcrete support
stress release rate
ANSYS
