摘要
云南昭通市铅锌矿开采过程中,受井下采空区影响,矿区山体坡面出现多处塌陷及裂缝,严重威胁矿山安全生产及下游城镇安全。为解决矿山所面临的山体崩塌等安全问题,通过地球物理探测得到井下采空区分布情况,采用弹塑性有限元软件分析采空区及山体稳定性状况,制定以充填法为主、封闭为辅的空区治理方法,消除井下采空区对地表山体稳定性的影响,消除地质灾害进一步发展的安全隐患。
Influenced by underground goaf, many collapse and fracture occurre at mountain slope during the mining of a lead and zinc mine in Zhaotong of Yunnan, which is a serious threat to the mine safety production and downstream urban safety. To settle the landslides and other safety problems, the distribution of the underground goaf is obtained by geophysical exploration, and the stability of the goal and mountain is analyzed with two-or-thr^ee dimensional elastic-plastic finite element software. Thus, a goaf treatment based on filling aided by closure is drawn up, so as to eliminate the influence of underground goal on the mountain stability, remove the hidden safety trouble caused by the further development of geological hazards.
出处
《有色金属工程》
CAS
CSCD
北大核心
2015年第3期86-90,共5页
Nonferrous Metals Engineering
基金
国家重点基础研究发展计划项目(2012CB724207)
关键词
山体塌陷
采空区探测
高陡边坡
稳定性分析
采空区治理
mountain collapse
goal detection
high and steep slope
stability analysis
goal treatment
