【摘要】 以弹性力学为基础,阐述了水压致裂法测量平面及三维地应力的原理,并以某水电站为例,通过套芯法与水压致裂法所进行的三维地应力测量实例对比发现,两者实测结果一致,说明水压致裂法测量三维地应力具有操作简便、可重复测试、测量速度快与测值可靠等优点。更多还原

【Abstract】 Based on elastic mechanics,this paper demonstrates the hydraulic fracturing method for 3-dimensional geostress measurement and,taking a case study of one hydropower station,compares the 3-dimensional geotress measurement of this method with that of overcoring method in the same research area.The results indicate that the two methods have a good agreement and prove that former has many advantages such as simple operation,repeatable testing,speedy and reliable measurement,etc.更多还原