摘要
为了掌握晋煤集团赵庄二号井大采高短壁工作面超前支承压力分布规律,以首个大采高工作面1305工作面为工程背景,运用FLAC3D数值模拟和现场实测的研究手段对超前支承压力分布规律进行分析。研究表明：工作面前方塑性区域范围为6.7~12.5m,平均8.9m。工作面超前支承压力影响范围为20~50m。超前支承压力峰值介于24.16~28.48MPa,平均26.44MPa。研究结果为确定合理的护巷煤柱参数及超前支护设计提供参考依据。
In order to grasp the Shanxi Coal zhaozhuang II wells with large mining height distribution of the short wall face in abutment pressure to the ifrst 1305 Face Large Working as engineering background, the use of research tools FLAC3D numerical simulation and ifeld measurement of lead abutment pressure distribution analysis. Studies have shown that：in front of the plastic area of work ranging from 6.7~12.5m, an average of 8.9m. Face abutment pressure affect the range of 20~50m. Abutment pressure peak between 24.16~28.48MPa, average 26.44MPa. The results determine a reasonable Pillar advance support design parameters and provide a reference for.
出处
《山东煤炭科技》
2014年第12期26-27,30,共3页
Shandong Coal Science and Technology
关键词
大采高
超前支承压力
数值模拟
分布规律
large mining height
abutment pressure
numerical simulation
distribution law
