瓦斯突出地球物理场的介质分布特征

来源期刊：中南大学学报(自然科学版)1999年第6期

论文作者：吕绍林 何继善

文章页码：578 - 580

关键词：瓦斯突出;地球物理场;介质分布;关键层;应力墙

Key words：coal and gas outburst; geophysical field; medium distribution; key layer; stress dike

摘    要：研究了瓦斯突出地球物理场的介质分布特征．从关键层(瓦斯突出煤体)成因机制及其与宏观地质构造之间的关系探讨了其空间分布特征；应用岩石力学、弹塑性力学理论确定了工作面前方应力墙的位置和宽度．为地球物理方法在瓦斯突出灾害预测中的应用奠定了物理性质基础．

Abstract: The distribution of the medium making up the geophysical field of outbursts was studied in this paper. The spatiotemporal distribution of the key layer (i.e. outburst coal mass or disturbed and gas logged coal mass) was discussed based on its formation mechanism and the relation to geological structure. And the position and width of the stress dike ahead the working face were determined according to the theory of rock mechanics and elastic plastic mechanics. The research results offered a physical foundation of predicting the disaster caused by coal and gas outbursts by means of the geophysical methods.