坚硬顶板弱化技术综述  

Integrated Description of Hard Roof Weakening Technology

作　　者：刘洪伟[1] 李君利[2] 

机构地区：[1]辽宁工程技术大学,辽宁阜新123000 [2]中煤国际工程集团重庆设计研究院,重庆400016

出　　处：《煤炭技术》2009年第2期50-51,共2页Coal Technology

摘　　要：针对坚硬顶板的特点,归纳总结前人控制该类顶板的工程实践经验和实验成果,提出了高压注水和预裂爆破两个弱化顶板的措施,可为具有该类顶板的矿井在顶板控制方面提供一定的参考和借鉴。According to the characteristics of the hard roof, summarize the roofcontrol of the engineering practice and the experiment results, high - pressure water injection and pre - blasting was made to solve the issue, to provide some reference for the coal mine to control this type of roof.

关 键 词：坚硬顶板 高压注水 预裂爆破 顶板监测 

分 类 号：TD321[矿业工程—矿井建设]