Destress rock blasting as a rockburst control technique
作者单位：Institute of GeonicsAcademy of Sciences of the Czech Republic
会议名称：《Harmonising Rock Engineering and the Environment—12th ISRM International Congress on Rock Mechanics》
会议日期：2011年
学科分类：081901[工学-采矿工程] 0819[工学-矿业工程] 08[工学]
关 键 词：blasting coal mines rockstress rockburst case study
摘 要：正1 INTRODUCTION Rockburst in the Upper Silesian Coal Basin（USCB） has represented a very dangerous phenomenon for a long period of time（*** 1972,Petuchov ＆ Zamarski 1990, Takla ＆ Ptacek 1990,Holecko et al.1999,Konecny 2005, Dubinski ＆ Konopko 2000,Drewiecki ＆ Kabiesz 2008）.The rockburst problem relates primarily to the existence of competent rocks in rock mass and the irregular stress fields induced by long-term *** rock blasting in overlying competent rocks is a very important rockburst control tech-