期刊论文、会议论文

Luo, H.

中文

武汉理工大学学报

1671-4431

2010

32

9

93-96

第七届全国随机振动理论与应用学术会议

第七届全国随机振动理论与应用学术会议论文集

2010-05-21

武汉

中国振动工程学会

10.3963/j.issn.1671-4431.2010.09.022

50974076:国家自然科学基金 06jj50084:湖南省自然科学基金

本校为第一且通讯机构

边坡锚杆通常先假定锚杆长度,通过试算边坡体的安全系数来进行锚杆设计.这种方法过程繁琐,且设计的方案为可行性方案而非最优方案.而应用可靠度反分析方法设计边坡错杆,可获得满足边坡稳定可靠性条件下的最优设计方案.首先,用有限元法计算边坡体的安全系数,然后,利用响应面法拟合边坡的极限状态方程,最后通过遗传算法反演边坡的锚杆长度,从而建立一种基于可靠度指标体系下边坡锚杆设计的新方法.并以某停车场边坡支护加固工程为算例,将该方法与传统的边坡锚杆设计方法进行对比,结果表明:建立的边坡锚杆反演设计方法是一种合理、有效、快速的设计方法.

The slope anchor design is usually assumed the length of anchor by calculate the slope safety factor. This design is a complicated process, and the design is just feasibility for the program rather than the optimal program. The optimal design program which can meet the reliability of slope stability can be obtained by applications of inverse reliability method to design slope anchor. Firstly, the safety factor of slope is calculated by finite element method, and then using response surface method to fitting the limit state equation, at last inverse design the bolt length of the slope by geneti...