【作者】 李学政； 唐云凯；

【Author】 LI Xuezheng,TANG Yunkai (Northwest Institute of Nuclear Technology,Xi’an,710024)

【机构】 西北核技术研究所；

【摘要】 通过微震工程检测,可以确定大型水电工程蓄水前后的微震频度的动态变化,预测煤矿区瓦斯突出位置,指出应力积聚及冲击地压危险区域。根据微地震事件位置分布,可以确定水压致裂方向和裂隙空间展布。在隧道工程中,预报掌子面前方地质构造、断裂和溶洞的具体位置,判断岩层与裂隙中是否含水或含气。在地基工程中,确定重大建筑工程地基岩土结构等。更多还原

【Abstract】 Using microseismic engineering detection can make sure the dynamic change of microseismic frequency about the large size hydroelectric project before and after ponding,can forecast the position of the serious gas coal area,and can point out the dangerous area of stress accumulation and shock bump.In terms of the local distribution of microseismic event,the hydraulic cracking direction and the crevice space distribution can be sure-In tunnel engineering.it can predict the concrete position of the front architectonic, rupture and solution cavity,judge whether or not water or gas in terrane and cranny.In groundwork engineering,it can confirm the groundwork rock earth structure for big building engineering.更多还原