摘要
底板采动应力变化及破坏规律对带压开采和底板突水的研究具有重要意义。以孙疃矿104采区为例,建立基于FLAC3D的底板采动效应数值模型,分析不同推进步距对底板垂直应力与破坏深度的影响。
The importance of failure depth and stress distribution of coal seam floor to the research on mining with pressure and water inrush. In the case of 104 mining area in Suntuan coal mine,establish the numerical FLAC3 Dmodel on the basis of rock mechanics parameters and mining conditions. Analysis the influence of different step to the vertical stress and failure depth.
出处
《煤炭技术》
CAS
北大核心
2015年第2期106-108,共3页
Coal Technology
关键词
数值模拟
FLAC3D
垂直应力
底板破坏深度
底板突水
numerical simulation
FLAC3D
vertical stress
failure depth of coal seam floor
water inrush under coal floor
