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基于H-B准则的围岩松动圈计算方法研究

张恒超 金解放

世界有色金属Issue(7):223-225,3.
世界有色金属Issue(7):223-225,3.

基于H-B准则的围岩松动圈计算方法研究

Calculation Of Different Grades Of Surrounding Rock Loose Circles Based On H-B Criterion

张恒超 1金解放2

作者信息

  • 1. 江西理工大学,江西 赣州 341000||锡林郭勒盟山金阿尔哈达矿业有限公司,内蒙古 锡林郭勒 026000
  • 2. 江西理工大学,江西 赣州 341000
  • 折叠

摘要

Abstract

Based on the single-hole acoustic wave test in the field,the radii of the loosening circle in different sections of the 750m middle section of the mine were measured.Numerical simulation was also conducted using FLAC3D software to estimate the range of the loose circle of the surrounding rock according to the boundary of the plastic failure zone.The reliability of the proposed method was assessed by comparing the differences between the calculated,simulated and tested values.Results show that the proposed theoretical analysis method based on the H-B criterion is applicable to the assessment of the loose circle range of the surrounding rock of different grades with high accuracy.

关键词

围岩松动圈/Hoek-Brown准则/岩体质量等级/理论分析/现场测试

Key words

Surrounding rock loose circle/Hoek-Brown criterion/Quality grade of rock mass/Theoretical analysis/Field test

分类

矿山工程

引用本文复制引用

张恒超,金解放..基于H-B准则的围岩松动圈计算方法研究[J].世界有色金属,2025,(7):223-225,3.

世界有色金属

1002-5065

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