|本期目录/Table of Contents|

[1]孙世国,王群.井工转露天开采边坡岩体滑移机制的试验研究[J].中国安全生产科学技术,2014,10(4):13-17.[doi:10.11731/j.issn.1673-193x.2014.04.002]
　SUN Shi-guo,WANG Qun.Experimental study on slope sliding mechanism for mining converted from underground to open pit[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(4):13-17.[doi:10.11731/j.issn.1673-193x.2014.04.002]
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井工转露天开采边坡岩体滑移机制的试验研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
10
期数:
2014年4期
页码:
13-17
栏目:
学术论著
出版日期:
2014-04-28

文章信息/Info

Title:
Experimental study on slope sliding mechanism for mining converted from underground to open pit
作者:
孙世国;  王群
（北方工业大学 建筑工程学院,北京100144）
Author(s):
SUN Shi-guo;  WANG Qun
（North China University of Technology, Architecture and Civil Engineering Institute, Beijing 100144 , China）
关键词:
井工转露天; 滑移机制; 应力叠加; 移动性态
Keywords:
underground to open pit;  slip mechanism;  stress superposition;  displacement state
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2014.04.002
文献标志码:
A
摘要:
井工转露天是一个新的论题，因开采时序的改变，导致边坡体的滑移机制产生了质的变化。应用底面摩擦模型试验和数值模拟方法，针对新的开采时序关系进行了模拟研究，揭示了露天矿延深开采扰动作用下井采区上覆岩体的平衡体系失稳与再活化过程及其演变规律；针对两种开采模式影响域的部分或整体的相互叠加作用特点，分析了自重应力与附加应力的叠加作用属性及开采时序变化对边坡体变形的影响规律，揭示了地下采区对边坡稳定性影响的分区性特点及其影响机制。
Abstract:
Mining converted from underground to open pit is a new thesis, the change of mining sequence caused the slip mechanism of slope qualitative changed. With bottom friction model test and numerical simulation method, this paper made simulating research according to new mining sequence, and reveals the process and the evolution regulation of the overlying rock mass balance system when the mining area of an openpit mine is in the extension mining perturbations. According to mutual superposition characteristics of parts or whole in two mining mode influence domain, the superposition property of gravity stress and additional stress, and the influence law of slope deformation by the change of mining sequence are analyzed. Besides, zoning characteristics and influence mechanism of the slope stability mass deformation by underground mining is revealed.

参考文献/References:


[1］孙世国,蔡美峰.井工转露天开采边坡岩体滑移机制的探讨［J］.岩石力学与工程学报,2000,19(1):126129 SUN Shiguo, CAI Meifeng. Study of sliding mechanism for slope due to the excavation from open pit into underground mine［J］. Chinese Journal of Rock Mechanics and Engineering, 2000,19(1):126129.
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备注/Memo

备注/Memo:
国家自然科学基金资助项目（41172250）；国家“十二五”科技支撑项目（2012BAK09B06）； 北京市创新团队提升计划项目（IDHT20140501） 北京市科研基地建设-科研创新平台、北京市科技成果转化项目、联合资助。
更新日期/Last Update: 2014-04-28