水压致裂法 meaning in English
hydraulic fracturing
Examples
- Code of hydraulic fracturing and overcoring method for in - situ stress measurement
原地应力测量水压致裂法和套芯解除法技术规范 - The authors and their research team design a sat of bran - new hydro jacking test equipment and suited software on the basis of their hydro - fracture research
摘要在水压致裂法地应力测试研究的基础上，结合工程实际情况设计出一套全新的水压劈裂测试系统设备和相匹配的测试软件。 - Two methods " principle of three dimensional stress determination developed from the above four basic ones by yangtze river scientific research institute are presented , one based on hydraulic fracturing and hydraulic tests on preexistent fractures in single borehole , another one based on ckx - 97 hollow package 3 direction strain gauge
并对长江科学院完善的单钻孔中水压致裂法三维地应力测量和ckx - 97型空心包体式钻孔三向应变计的三维地应力测量的计算公式作了推导。 - Obtain these chief research achievements . ( 1 ) the method of hydraulic fracturing , kaiser effect experiment and the finite element numerical simulation computation results , the direction of maximum horizontal principal stress intersect the small - angle of tunnel axial line , it is favorable to the stability of tunnel peripheral rock ; according to the test rust of field stress - relief method , at the present time , zhe gu mount tunnel have n ' t access to high crustal stress site , maximum principal stress magnitude is 17mpa ~ 20mpa
主要获得以下研究成果： ( 1 )综合水压致裂法、室内岩石kaiser效应试验和有限元数值模拟计算研究成果，最大水平主应力方向与隧道洞轴线小角度相交，对隧道围岩稳定性有利；根据现场应力解除法测试结果，目前鹧鸪山隧道尚未进入高地应力段，最大主应力量级为17mpa 20mpa 。 - It is stated systematically in the thesis the method ' s theories and measuring principle of all kinds of geostress determination technology . in particular the four methods recommended in 1987 by the committee of test method of the international society of rock mechanics , i . e . two over - coring methods of strain relief in boreholes , hydraulic fracturing method and stress furbish measurement which measures the surface stress
本文较为系统地、全面地介绍了当前国内外通用的各种地应力测量方法的理论、测量原理；特别就国际岩石力学学会试验方法委员会于1987年推荐的4种地应力测定方法(钻孔孔径变形测量法、钻孔孔壁应变测量法、水压致裂法以及测量岩体表面应力的应力恢复测量法)作了较为详细的叙述。