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一、引言原地应力测量对矿山开采、地下建筑工程、水利水电工程的设计与施工、油气田和地热能的开发利用、核废料处理、核电站建设及工程稳定性评价等具有重要的实际意义. 近年来,随着地应力测量的进展和资料积累,地应力测量日益受到重视.地壳内的各种地质构造现象和地震,及其伴生的物理化学现象都与地壳应力的作用密切相关.地球动力学与构造地质的研究,如岩石圈板块的驱动机制、地震的发生机制、区域地壳稳定性、
I. INTRODUCTION In-situ stress measurement is of great practical significance for mine exploitation, underground construction, design and construction of water conservancy and hydropower projects, development and utilization of oil and gas fields and geothermal energy, nuclear waste treatment, construction of nuclear power stations and project stability assessment. With the progress of geodetic stress measurement and the accumulation of data, geostress measurement has been paid more and more attention.The various geologic structures and earthquakes in the crust and their accompanying physico-chemical phenomena are closely related to the role of crustal stress.Geo-dynamics Research on tectonic geology, such as driving mechanism of lithospheric plate, mechanism of earthquake occurrence, regional crustal stability,