辽宁工程技术大学学报(自然科学版)2017,Vol.36Issue(5):488-493,6.DOI:10.11956/j.issn.1008-0562.2017.05.007
基于GSI的水库高边坡岩体抗剪强度参数计算
Calculation on high rock slope strength parameter based on GSI
摘要
Abstract
To study the shear strength parameter of a reservoir jointed rock slope,37 survey points were selected to calculate,the geological strength index (GSI) was introduced,and four aspects of rock mass structures,structural surface characteristics,compressive strength of rock and lithology case were considered to grade.Universal of Hoek-Brown experience criterion was used to calculate material parameters of dolomitic limestone and limestone for slope,and the shear strength parameters of two section rock mass were calculated by regression analysis.The results show that the impact of GSI on the strength parameter value is larger especially cohesion.Cohesion and internal friction angle and compressive strength value become smaller with the degree of weathering dolomitic limestone and limestone stronger.The distribution of two rock strength parameters was obtained.The results can provide a reliable basis for slope stability analysis and prevention.关键词
节理岩体/抗剪强度参数/GSI/Hoek-Brown经验准则/回归分析/分布规律Key words
jointed rock mass/shear strength parameter/geological strength index (GSI)/Hoek-Brown experience criterion/regression analysis/distribution分类
天文与地球科学引用本文复制引用
储春妹,姬永尚..基于GSI的水库高边坡岩体抗剪强度参数计算[J].辽宁工程技术大学学报(自然科学版),2017,36(5):488-493,6.基金项目
新疆大学博士启动基金(BS1007) (BS1007)