Pressure-relief and permeability-increase technology of high liquid–solid coupling blast and its application

作     者：Hao Zhiyong Zhou Chao Lin Baiquan Pang Yuan Li Ziwen 

作者机构：State Key Laboratory of Coal Resources and Safe MiningChina University of Mining & Technology 

出 版 物：《International Journal of Mining Science and Technology》 (矿业科学技术学报（英文版）)

年 卷 期：2014年第24卷第1期

页      面：45-49页

核心收录：

学科分类：0819[工学-矿业工程] 081903[工学-安全技术及工程] 08[工学] 

基　　金：provided by the National Eleventh Five-Year scientific and Technological Support Plan Subject of China (No.2007BAK29B01) the National Natural Science Foundation (No.50534090) the National Key Basic Research Development Program of China (No.2011CB201205) State Key Laboratory of Coal Resources and Mine Safety of China University of Mining Technology of China (No.SKLCRSM08X03) the Youth Science and Technology Fund of China University of Mining and Technology (No.JGY101605) 

主　　题：High stress High gasLow permeability coal seamLiquid solid coupling blast 

摘      要：As for the coal seam with high stress,high gas and low permeability,a single technology cannot prevent the complex dynamic *** of this,the study proposes a new method of pressure-relief and permeability-increase technology of the high liquid–solid coupling *** coal seam injection and charging structure change,the paper fully works out the dual functions of the water and *** the theoretical calculation,numerical simulation and physical experiments,we obtained that the initial blasting stress,displacement and overpressure of the liquid–solid coupling blast are much better than that of ordinary *** technology has been used in the relative coal mine,and the application results show that the technique has effectively prevented the coal and gas outburst,which has a wide range of application.