摘要
介绍了在复合破碎顶板煤巷中应用高强度的左螺旋树脂锚杆与 W型钢带 (锚索补强加固 )组合支护 ,有效地控制了巷道围岩变形 ,取得了明显的经济效益 。
Introduces the appliciation of left spiral resin bolt and w-steel tape in compound broken roof of coal mine roadway,to control effectively the adjoining rock,achieve the notabl results,laies the ground work to extend applied for similar condition of roadway.
出处
《山西焦煤科技》
2003年第1期37-38,共2页
Shanxi Coking Coal Science & Technology
