|本期目录/Table of Contents|

[1]马海涛 ,谢芳  .大规模采空区渐进式矿柱坍塌的简化模拟[J].中国安全生产科学技术,2013,9(8):17-21.[doi:10.11731/j.issn.1673-193x.2013.08.003]
　MA Hai tao,XIE Fang.Simplified simulation on cascading pillar failure in largescale goaf[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2013,9(8):17-21.[doi:10.11731/j.issn.1673-193x.2013.08.003]
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大规模采空区渐进式矿柱坍塌的简化模拟
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
9
期数:
2013年8期
页码:
17-21
栏目:
学术论著
出版日期:
2013-08-30

文章信息/Info

Title:
Simplified simulation on cascading pillar failure in largescale goaf
文章编号:
20130803
作者:
马海涛 1; 2; 谢芳 3
（1北京科技大学 土木与环境工程系，北京100083；2中国安全生产科学研究院，北京100012； 3 建设综合勘察研究设计院有限公司，北京100007）
Author(s):
MA Haitao1; 2;  XIE Fang3
(1 School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2 China Academy of Safety Science and Technology, Beijing 100012,China; 3 China Institute of Geotechnical Investigation and Surveying, Beijing 100007,China)
关键词:
采空区; 渐进式破坏; Voronoi图; 专家系统
Keywords:
goaf;  cascading pillar failure;  Voronoi chart;  expert system
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2013.08.003
文献标志码:
A
摘要:
空场法开采的矿山，往往留下大面积的采空区，易发生渐进式倒塌的整体性破坏。针对大量不规则点柱支撑顶板的复杂采空区结构，采用Voronoi图形划分方法确定顶板荷载面积，在此基础上提出了模拟矿柱破坏、荷载转移、应力重新分布过程的计算方法及其适用性。以浙江长兴白象硅灰石矿采空区结构为案例，进行了计算验证，圈定了潜在的采空塌陷区范围，并从理论上提出了控制采空区大面积塌陷的对策。该方法对于该类型矿山的采空区地压控制具有指导意义
Abstract:
Largescale goaf may be formed by open stope mining process and the whole mine would be destroyed when cascading pillar failure happen. An attempt to simulate the cascading pillar collapse was made for a quick evaluation of a large number of goaf data that had been collected throughout China. Pillar collapse, load transfer and redistribution were modeled by territory area method and this methodology was general in sense. The method was applied to calculate the stability of Baixiang grammite mine goaf in Zhejiang province. The proposed method can provide a quantitative criterion for the determination of the failure pattern and identification of the key pillars in the stability analysis of the goaf formed by a pillarroom method.

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备注/Memo

备注/Memo:
国家“十二五”科技支撑计划项目(2012BAK09B02);国家自然科学基金项目(51074142/E0409)
更新日期/Last Update: 2013-09-11