π型钢梁替换悬移支架在非停产中的应用  

π Steel Beam to replace Movable Support in the Non-stop Production

作　　者：张志强[1] 

机构地区：[1]郑煤集团白坪煤业有限公司,河南登封452400

出　　处：《煤》2009年第11期20-20,27,共2页Coal

摘　　要：受地质条件影响,白坪煤业公司11121炮采放顶煤工作面回采期间煤层逐渐变薄直至不可采,采取采面向前推进期间,将悬移支架拆除并替换为π型钢梁配单体液压支柱支护的方法,保证了矿井产量计划和正常生产接替。Affected by the geological conditions,the impact of 11121 face caving coal seam during mining can not be taken until the gradual thinning to take forward during the pre-mining-oriented will be removed and replaced movable support for the π-shaped Steel Beam with single hydraulic props supporting the methods to ensure normal production of the mine production plan and to succeed.

关 键 词：悬移支架 替换 Π型钢梁 非停产 

分 类 号：TD353.2[矿业工程—矿井建设]