首先阐述了初始地应力场的有限元反演分析方法和水压致裂法地应力测量方法给出了对小孤山工程适当的地应力场。
The specific work includes:(1) At the first, the finite element inversion analysis method of the initial crustal stress field and the measuring method of hydrofracturing crustal stress were expounded.
从而弥补了以往传统的水压致裂法地应力测量只能测量钻孔横截面上的二维地应力状态的缺陷，扩大了这种测量方法的应用范围。
As the methods have supplied the deficiency of traditional geostress measurement, which can only measure 2d cross-sectional stress of a borehole, its applicable scope is thus widened.
在深层地应力测量中， 水压致裂法是最有效的测量方法。
The hydrofracturing technique is the most effective measuring method in the geostress measurement in deep stratum.
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