巷道围岩强度弱化规律及其动态加固技术  

THE LAW OF SURROUNDING ROCK STRENGTH DECREASING AND ITS DYNAMIC SUPPORTING TECHNOLOGY

作　　者：杨米加[1] 贺永年[1] 张农[1] 

机构地区：[1]中国矿业大学,徐州221008

出　　处：《工程力学》1999年第5期53-57,共5页Engineering Mechanics

摘　　要：本文结合巷道围岩强度弱化规律，首次提出软岩巷道的动态支护原理和分步加固技术，同时给出了一个喷锚注动态加固的成功实践，为软岩支护提供了新的方法。Based on the law of surrounding rock strength decreasing, a new method for soft rock supporting is presented. In the method a rule of dynamic supporting and its step-by-step reinforcement technology are put forward. A successful engineering case is provided.

关 键 词：动态支护 分步加固 描喷 注浆 巷道围岩 

分 类 号：TD31[矿业工程—矿井建设] TD353