金山店铁矿充填法试验采场岩体力学参数的确定  

Determination of mechanical parameters of rock mass from teststopes with filling method in Jinshandian Iron Mine

作　　者：王洋[1,2] 宋卫东[1,2] 谭玉叶[1,2] 夏鸿 朱汉明 王积林 

机构地区：[1]北京科技大学土木与环境工程学院,北京100083 [2]金属矿山高效开采与安全教育部重点实验室,北京100083 [3]武钢矿业有限责任公司金山店铁矿,湖北大冶435116

出　　处：《有色金属（矿山部分）》2015年第3期12-17,共6页NONFERROUS METALS(Mining Section）

基　　金：国家自然科学基金资助项目(51374033);教育部博士点基金(20120006110022)

摘　　要：矿岩自稳条件是制约阶段嗣后充填法采用以及实施效率的重要因素,其中,局部矿岩接触破碎带的稳定性严重影响着采场的整体稳定性。以金山店铁矿西区充填法试验矿块为工程背景,以室内岩石力学试验为基础,综合GSI围岩分级系统、Hoek-Brown强度准则、Georgi法与费森科法,对室内岩石力学参数进行折减,更加合理地确定岩体力学参数,为采场稳定性分析与支护设计提供岩石力学的支持。The stability conditions of ore and rock are important factors restricting the adoption and efficiency of stage backfilling method. Among this, the stability of local broken zone of ore contacted with rock has serious impact on the stability of overall stope. In this paper, it is taken for engineering background that the test blocks with filling method of the western area in Jinshandian Iron Mine. Based on indoor rock mechanical test, combining GSI surrounding rock classification system, Hock-Brown strength criterion, Georgi method and Г. ФИСЕНКО method, the test parameters are reduced to more reasonable mechanical parameters of rock mass for the stability analysis and the support design of stopes with the way of rock mechanics.

关 键 词：岩体力学参数 GSI分级系统 Hoek—Brown强度准则 

分 类 号：TD853.34[矿业工程—金属矿开采]