摘要
基于钢弦测试原理的高精度支架工作阻力监测系统监测寺河矿6.2m大采高综采面液压支架的工作阻力,分析得出工作面直接顶来压步距为16.5m,动载系数为1.22;基本顶初次来压步距平均为36.8m,动载系数为1.60;基本顶周期来压步距平均为26.4m,动载系数为1.51,支架合理工作阻力为8870kN,在工作面没有特殊构造的条件下,ZY9400/2.5/6.2支架能够满足顶板来压的要求;所采用的监测方法可为类似工作面的矿压观测工作提供借鉴。
Apply high accuracy monitoring system on working resistance of support that based on the principle of steel string test to monitor the working resistanee of hvdraulic support in fully-mechanized working face with 6.2 m mining height in Sihe mine,the analvsis shows that the loading distance of immediate roof in working face is 16.5 m and the dynamic load coefficient is 1.22;the average primary,loading distance of main roof is 36.8 m and the dynamic load coefficient is I.60;the average periodical loading dist...
出处
《煤炭科学技术》
CAS
北大核心
2007年第9期22-25,共4页
Coal Science and Technology
基金
国家十一五科技支撑计划资助项目(2006BAK03B06)
关键词
支架工作阻力
监测系统
大采高综采
矿压显现
working resistance of support
monitoring system
fully-mechanized working face with high mining height
ground behaviour
