| 爆破回采对某金属矿深部采场围岩稳定性的影响 |
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| 引用本文： | 黄少攀,王方汉,梁莉,曾征,刘乾勇,黄木坤. 爆破回采对某金属矿深部采场围岩稳定性的影响[J]. 地下空间与工程学报, 2010, 6(6) |
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| 作者姓名： | 黄少攀 王方汉 梁莉 曾征 刘乾勇 黄木坤 |
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| 作者单位： | 重庆大学土木工程学院,重庆,400045;湖南有色诚信工程监理有限责任公司,长沙,410015;重庆大学土木工程学院,重庆,400045;南京银茂铅锌矿业有限公司,南京,210033;重庆房地产职业学院房地产建设系,重庆,401331;重庆大学土木工程学院,重庆,400045;南京银茂铅锌矿业有限公司,南京,210033 |
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| 基金项目： | 重庆市科技攻关计划项目 |
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| 摘 要： | 深部岩体处于高地应力、高温、高孔隙压力的环境。这使深部岩体的组织结构、基本行为特征和工程响应均发生根本性变化,也导致深部开采中灾变事故的出现。为了控制深部采场回采过程中的某金属矿深部采场的围岩稳定性,也为改善深部开采采矿技术经济指标,结合实际利用有限元程序,对某矿爆破回采过程进行数值模拟,分析采场顶板和间柱的应力场、位移场和塑性区,爆破作用对顶板和间柱造成的损伤作用。研究表明,采场经过爆破回采作业后,水平及竖直向应力场的区域及位移场的区域并没有发生明显改变,只是在数值上有所增加。但塑性区发生明显变化。分析结果对采场的稳定性研究及地表沉降研究提供了参考。
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| 关 键 词： | 采场回采 应力场 位移场 塑性区 数值模拟 |
Effects of Blasting Mining on the Stability of the Surrounding Rock Masses in a Metal Mine |
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| Huang Shaopan,Wang Fanghan,Liang Li,Zeng Zheng,Liu Qianyong,Huang Mukun. Effects of Blasting Mining on the Stability of the Surrounding Rock Masses in a Metal Mine[J]. Chinese Journal of Underground Space and Engineering, 2010, 6(6) |
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| Authors: | Huang Shaopan Wang Fanghan Liang Li Zeng Zheng Liu Qianyong Huang Mukun |
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| Affiliation: | Huang Shaopan 1,2,Wang Fanghan1,3,Liang Li4,Zeng Zheng1,Liu Qianyong3,Huang Mukun1(1.College of Civil Engineering,Chongqing University,Chongqing 400045,2.Hunan Nonferrous Chenxin Project Management Co.Ltd.,Changsha 410015,China,3.Nanjing Yinmao Lead-zinc Min.Co.Ltd.,Nanjing 210033,4.Department of Real Estate Construction,Chongqing Real Estate College,Chongqing 401331,China) |
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| Abstract: | The rock body in depth lies in an environment of high ground pressure,high temperature and high pore pressure,this causes a change of deep rock in mechanical structure,basic behavior characteristic and response to consturction,and also the appearance of calamity during deep mining.In order to control the stability of surrounding rock mass during mining and improve deep mining technical and economic indexes,the deep blast mining process of certain mine is simulated by using FEM.The distribution of stress,dis... |
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| Keywords: | mining stress field displacement field plastic zone numerical simulation |
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