摘要
在三软突出煤层巷道沿底掘进过程中,采用新型注浆材料马丽散对巷道顶板进行超前加固,有效地防止了因顶煤冒落造成的瓦斯超限,保证了施工安全,加快了掘进速度。该注浆方法施工工艺简单、反应快速、效果明显,具有很好的推广价值。
During tunneling along bottom in the three soft outburst coal roadway, the new high polymer grouting material malisan was applied to strengthen the roof of the roadway. The gas transfinite caused by top - coal caving was effectively prevented, thereby guaranteeing the construction safety and expediting the excavating velocity. This grouting method is easily enforceable, has quick response and obvious effects, so that it has the high expansive value.
出处
《煤炭技术》
CAS
北大核心
2010年第1期111-113,共3页
Coal Technology
关键词
三软突出煤层
马丽散
顶板
注浆加固
three soft outburst coal seam
malisan
roof
grouting reinforcement
