摘要
从坚硬顶板的运动特点与控制要求和顶板的受力入手,运用模型和理论推导的方法得出切顶排支柱的支护强度,从而实现有效地控制坚硬顶板。
Based on the motion characteristics, control object and load, the shearing supporting strength of the hard roof is deduced to effectively control the roof.
出处
《山西煤炭》
2006年第2期8-9,共2页
Shanxi Coal
