| 基于Hoek-Brown准则的围岩松动圈计算及现场测试 |
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| 引用本文： | 李伟利,王磊,常聚才.基于Hoek-Brown准则的围岩松动圈计算及现场测试[J].煤炭工程,2011(2). |
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| 作者姓名： | 李伟利 王磊 常聚才 |
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| 作者单位： | 安徽理工大学能源与安全学院,安徽,淮南,232001;安徽理工大学煤矿安全高效开采省部共建教育部重点实验室,安徽,淮南,232001 |
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| 摘 要： | 为了研究巷道开挖后巷道周边应力分布特征及松动圈半径的大小,根据霍克布朗准则探讨了松动圈形成的力学机理,提出了松动圈半径的计算公式,并介绍了松动圈测试原理、测试方法及结果。结果表明理论分析与现场实测是一致的,对井下支护设计具有一定的借鉴意义。
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| 关 键 词： | 围岩 巷道 松动圈 Hoek-Brown准则 |
Calculation and site measurement of surrounding rock released circle base on Hoek-Brown criterion |
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| LI Wei-li,WANG Lei,CHANG Ju-cai.Calculation and site measurement of surrounding rock released circle base on Hoek-Brown criterion[J].Coal Engineering,2011(2). |
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| Authors: | LI Wei-li WANG Lei CHANG Ju-cai |
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| Affiliation: | LI Wei-li1,2,WANG Lei1,CHANG Ju-cai1,2(1.School of Energy and Safety,Anhui University of Science and Technology,Huainan 232001,China,2.Provincial and Ministry of Education's Joint Established Key Lab of Mine Safety and High Efficient Mining,China) |
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| Abstract: | In order to study the stress distribution features of the surrounding rocks along the mine roadway after the roadway excavated and the radius size of the released circle,according to the Hoek-Brown strength criterion,the paper discussed the mechanics mechanism of the released circle formation and provided the calculation formula of the released circle radius.The paper introduced the measuring principle,the measuring method and result of the released circle.The results showed that theoretical analysis and th... |
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| Keywords: | surrounding rock gateway released circle Hoek-Brown strength criterion |
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