松散软岩巷道锚注支护注浆材料配比试验研究  

Experimental study on mix proportion of grouting materials for bolt-grouting support of loose and soft rock roadway

作　　者：袁越[1,2] 王晓雷[1,3,2] 庞杰文[1,2] 

机构地区：[1]中国矿业大学(北京)力学与建筑工程学院,北京100083 [2]深部岩土力学与地下工程国家重点实验室,北京100083 [3]河北联合大学,河北唐山063009

出　　处：《中国矿业》2012年第4期100-104,共5页China Mining Magazine

摘　　要：对于松散、整体强度极低的砂砾岩巷道,采用锚注支护是一种经济、有效的措施,注浆材料及适宜的浆液配合比的确定是其中一个重要环节。通过对水泥浆、超细水泥浆和水泥水玻璃浆进行的一系列浆液性能室内试验,探寻了水灰比和掺合比对浆液性能的影响规律。根据试验结果对比分析,水灰比为0.8的普通硅酸盐水泥浆和体积比1∶1水灰比0.8∶1的水泥水玻璃浆液对松散软弱砂砾岩巷道进行现场注浆试验和锚注支护较为适宜。Bolt-grouting support is a kind of economic and effective measure for glutenite roadway which is loose and extremely low integral strength.The determination of grouting materials and suitable mix proportion is one of the important link.Through a series of size performance laboratory test for cement slurry,ultrafine cement slurry and cement-silicate slurry,the law of the influence on water-cement ratio and mixture ratio to size performance is finded.According to the contrast analysis of test results,it is suitable for site grouting test and bolt-grouting support on loose and weak glutenite roadway with the cement slurry（water-cement ratio 0.8） and cement-silicate slurry（water-cement ratio 0.8,volume ratio 1∶1）.

关 键 词：松散软岩 锚注支护 注浆材料 浆液性能 配合比 

分 类 号：TD352.5[矿业工程—矿井建设]