safe leg load

Meanwhile,making use of observation data of scene in working face of close distance coal seams,the characteristic of support load during fi.

并利用工作面的现场观测数据,进行数据拟合,对初次来压和周期来压期间支架载荷特征、工作面顺槽超前支承压力分布规律等进行了较为系统的分析,为后期开采上部8#煤层积累了经验。

Meanwhile,the characteristic of support load during first and periodic weight of the main roof was studied.

以谢桥煤矿1242(1)首采工作面为例,分析了综采工作面矿山压力显现特征、顶板活动规律、液压支架的性能和对该煤层顶底板的适应性及控制效果、工作面顺槽超前支承压力分布,对初次来压期间和周期来压期间支架载荷特征进行了较为系统的分析,为后期开采11-2煤层积累了经验。

This paper analyzed underground pressure behavior rules and periodic weighting pace of 2S224 Mining Face of Taitou Col-liery on the basis of observation data of roof broken degree,coal wall spalling,roadway deformation and support load.

通过对台头矿2S224工作面顶板破碎度、煤壁片帮、巷道变形和支架载荷的现场观测,分析了该工作面的矿压显现规律,得出了工作面的周期来压步距;同时探讨了工作面顶板垮落模式和出现端头悬顶的原因。

The distribution patterns of mechanical characteristics for surrounding rock in the gateways of fully mechanized top-coal caving(FMTC) face were put forward by analyzing deep displacement,surface displacement,stress distribution and supports loading.

通过对综放面回采巷道围岩的深部位移、表面位移、应力分布以及支架荷载的实测分析,得出综放面回采巷道围岩力学特征分布规律。