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现代矿业 2016, Vol. 32 Issue (10) :140-143+165    DOI:
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近距离磷矿层水下开采采场稳定性分析
尤祎,刘福春*
长沙有色冶金设计研究院有限公司
Stope Stability Analysis of Close Distance Phosphate Layers While Underwater Mining
You Yi,Liu Fuchun*
Changsha Engineering And Research Institute Ltd.of Nonferrous Metallurgy,Changsha

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摘要 为研究老虎洞磷矿近距离磷矿层水下开采时采场稳定性,采用弹性力学方法计算了两矿层采场允许最大暴露面积,结合ANSYS有限元分析软件优化了上向水平分层充填法采场结构参数,并对2种采矿方法多个采场同采进行了采场稳定性分析。结果表明:采用上向水平分层充填法,采场垂直走向布置时,合理的矿房宽度应为6~8 m;2种采矿方法达到设计同采采场数目时,采场稳定性较好,设计的采场结构参数能够满足安全高效回采的要求。
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尤祎
刘福春
关键词近距离磷矿层   缓倾斜中厚矿体   水下开采   采场稳定性     
Abstract: In order to study the stope stability of close distance layers which is underwater mining in Laohudong phosphate mine,the maximum exposed roof area of stope in two layers were calculated by elasticity method,structural parameters of the upward cut and fill mining method were optimized,and the stability of two mining methods with multiple stopes were analyzed by the software ANSYS.The results show that,the reasonable width of the room should be 6 to 8 m when the stope layout is vertical direction by upward cut and fill mining method.The stope stability is good while meet to the number designed by two methods,and the stope structural parameters designed could satisfy the requirements of safe and efficient mining.
KeywordsClose distance phosphate layers   Gentle dip and medium thickness ore body   Underwater mining   Stope stability     
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* 国家重点研发计划项目(编号:2016YFC0801600)。

引用本文:   
尤祎, 刘福春.近距离磷矿层水下开采采场稳定性分析[J]  现代矿业, 2016,V32(10): 140-143+165
YOU Yi, LIU Fu-Chun.Stope Stability Analysis of Close Distance Phosphate Layers While Underwater Mining[J]  Modern Mining, 2016,V32(10): 140-143+165
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