Analysis of stability of goaf group in metal mines based on precision detection

SONG Wei-dong; FU Jian-xin; DU Jian-hua; ZHANG Chao-lei

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Analysis of stability of goaf group in metal mines based on precision detection

更新时间：2026-06-25

- Analysis of stability of goaf group in metal mines based on precision detection
- Vol. 33, Issue 12, (2012)
- 作者机构：
  
  1. 北京科技大学金属矿山高效开采与安全教育部重点实验室,北京,100083
  2. 北京科技大学土木与环境工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TD853
- Online First：15 December 2012，
  
  Published：2012
- 稿件说明：
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SONG Wei-dong, FU Jian-xin, DU Jian-hua, et al. Analysis of stability of goaf group in metal mines based on precision detection[J]. 2012, 33(12).
DOI：

SONG Wei-dong, FU Jian-xin, DU Jian-hua, et al. Analysis of stability of goaf group in metal mines based on precision detection[J]. 2012, 33(12). DOI：

摘要

采空区群的稳定性分析是一个复杂的地质问题，而在区域内存在一种群效应。准确地掌握采空区群的三维形态和空间的相对位置是进行稳定性分析的前提。以石人沟铁矿为背景，利用空区探测系统（CMS）对采空区进行了精密探测，并对探测数据进行处理和转换，在此基础上，应用3Dmine建立了采空区群的三维空间模型，经过进一步处理实现了与FLAC3D的耦合，建立了三维数值计算模型。根据计算结果对采空区群区域的应力场、位移场进行了分析，对群区域内的群效应进行了阐述。在此基础上对群区域地表位移进行了分析，确定了地表最大位移面积和采空区水平面积的比值。研究结果表明，区域内的群效应使应力和位移较单个采空区时都有了较大增加，且增加幅度并不是单纯的叠加，这种效应加剧了采空区的危险等级，将CMS、3Dmine和FLAC3D三者的优势结合起来，为采空区群得稳定性分析提供了一个准确而有效的途径。

Abstract

Stability analysis of goaf group is a complicated geological problem; there is some “group effect”. An accurate grasp of cavity shape

size and its change is the premise to this problem. In the engineering background of Shirengou iron mine

using the cavity monitoring system (CMS) to detect the goaf group precisely. Then the cavity model and geological model of the mine are constructed using the 3Dmine software based on the detection results. A method of constructing numerical computing model with the coupling of 3Dmine and FLAC3D is put forward. The stress and strain fields are analyzed according to the simulation calculation results; and the “group effect” is discussed. The research results show that the “group effect” increases the stress and strain larger than the single goaf; and this effect is not only simple addition but improve the goaf’s hazard grade. This paper combinates the advantages of CMS

3Dmine and FLAC3D

and provides a new and effective way for numerical simulation research on the stability of rock engineering.

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Related Author

FU Jian-xin

SONG Wei-dong

DU Jian-hua

WANG Zhi-liang1

XIAO Zhi-huan1

SHEN Lin-fang1

LI Shao-Jun2

ZHANG Gui-min

Related Institution

Key Laboratory of High-Efficient Mining and Safety of Metal Mines of Ministry of Education, University of Science and Technology Beijing

Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology

State Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

School of Mechanics and Civil Engineering, China University of Mining and Technology

State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, China University of Mining and Technology

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