水泥-水玻璃双液注浆中的最优参数选择.pdfVIP

14 　4 　　 V l.14, N .4 2005 12 　　　　　　　　　　　　　　　M INING M ETALLURGY 　　　　　　　　　　　　　　　December 　2005 :1005-7854 (2005)04-000 1-03 - 1 2 刘玉祥 ,柳慧鹏 (1.北京科技大学土木与环境工程学院, 北京100083; 2.中国矿业大学(北京)力学与建筑工程学院, 北京100083) 　:-(CS)、, 。, -, , , 。, 255 。。 :-;;;; + :T D353 .5 　　:A OPTIMAL PARAMETER SELECTION OF CEMENT -WATER GLASS TWO-SHOT GROUTING 1 2 LIU Yu-xiang ,LIU Hui-peng (1.School of Civil and EnvironmentalEngineering, University of Science and Technology of Beij ing,Beijing 100083, China;2.School of echanics, Architecture CivilEngineering, China University of ining and Technology (Beijing),Beijing 100083, China) ABSTRACT:With its c ntr llable s lidifying vel city and vast raw material s urce, cement-w ater glass(CS)tw - sh t gr uting has f und wide applicati ns in many ge technical pr jects.The auth r, based n the pr ject f maintaining tunnel c llapse in Lingl ng G ld M ine, made gel experiment n different v lume rati f cement gr ut t w ater glass.Acc rding t the experiment result, the auth r f und that the initial gel vel city changed n t t much,but the final gel vel city changed a l t,and furtherm re, the vel city f gel with varied v lume rati presented an inflexi n in its curve with a sharply rising tendency after the inflexi n.Based n this find the idea w as f rmed that selecting gr uting mixture rati parameter near inflexi n w as fav rable t the pr ject in view f ec n my.The idea w as verified in the c nstructi n f the pr ject f maintaining tunnel c llapse in Lingl ng G ld M ine.The result has great reference value f r the