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水压致裂法因其测量深度深等优点,被广泛应用于各类岩土工程及地震机理研究中。然而经典水压致裂法受其理论局限性,无法获得地应力的全应力张量。因此,近年来国内外学者将视线转移到了三维水压致裂原地应力测试技术的研究上,并获得了大量成果。本文对以往各类水压致裂原地应力测量技术资料进行整理,阐述了水压致裂法的发展历史,介绍三维水压致裂方法的最新进展,并对有关资料中的计算公式进行推导,为研究人员进一步了解水压致裂方法提供一些新的参考资料。
Hydrostatic fracturing is widely used in various geotechnical and seismic mechanisms due to its advantages such as deep depth of measurement. However, the classical hydraulic fracturing method is limited by its theory and can not obtain the full stress tensor of the ground stress. Therefore, in recent years, scholars both at home and abroad have shifted their attention to the research of in-situ stress measurement of hydraulic fracturing in three dimensions and obtained a great deal of achievements. This paper summarizes the previous in-situ stress measurement techniques for hydraulic fracturing, elaborates the history of hydraulic fracturing, introduces the latest advances in the three-dimensional hydraulic fracturing method, and deduces the formulas in the relevant data , Provide some new reference materials for researchers to further understand the hydraulic fracturing method.