温度因子对深部开采影响的研究现状与展望

我国煤矿正在逐步进入深部开采阶段,温度因子在深部矿井开采中的影响权重较浅部开采时明显增大,因高温带来的问题已经成为深部矿井开采中的主要难题之一。在综合分析深部开采高温问题有关研究成果的基础上,从温度对地下作业环境的影响,温度对岩石的本构关系,岩石强度和岩石变形等深部岩体力学性质的影响,温度对煤层自燃、深部岩石时-温效应的影响几个方面进行了综述,系统分析了温度因子在深部开采中的作用。最后指出了目前深部开采有关温度问题研究中存在的不足。

Study and prospect of temperature factor's effects on deep mining

China coal mines are entering the stage of deep mining step by step,the effect of temperature factor in deep mining is more apparent than it in shallow mining,the problem which is caused by high temperature is one of the main problems in deep mining.Base on the analysis on the present research findings of high temperature in deep mining,the temperature effect in underground environment,the temperature effect in rock mechanics property which contain rock constitutive,rock strength and rock deformation and the temperature effect in underground cooling,spontaneous fire in coal seams and time-temperature effect of rock were stated in the paper,and the effect of temperature factor in deep mining is system representation.At last the paper points out some problems about present research findings of high temperature in deep mining.