W2901掘进工作面支护设计与分析
首发时间:2010-01-06
摘要:巷道压力大支护困难,采用常规的支护方法,已不能满足安全生产的需要。针对压力大巷道的分析、研究,总结出经验,通过改进施工工艺和采取超前支护技术方法,提高了巷道支护的及时性,控制了巷道有害变形,取得了良好的支护效果。
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W2901 heading face support design and analysis of
Abstract:Roadway pressure and difficulties in retaining, supporting use of the conventional method, can not meet the need for safe production, Roadway for the pressure analysis, research, Summed up the experience, By improving the construction technology and technical methods to advance support, Improve the timeliness of roadway, This worked out reasonable support programs:
Keywords: Heading face Bolting support parameters
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No.3857150630012627****
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