origin of fracture direction 裂缝方向成因分析
Using the data of outcrops, cores, thin sections and image logs, we analyzed the fracture origin types, distribution characteristics and formation sequences.
利用地表露头、岩心、薄片和成像测井等资料，对该区裂缝的成因类型、分布特征及其形成序列进行了分析。
The origin and treatment of fracture accident of borehole grouting pile in the construction are interpreted briefly in this paper.
简要介绍在钻孔灌注桩施工中发生的断桩事故的原因和处理措施。
The research shows that the latter tectonic stress field controlled the origin and distribution of interlayer fracture zones, transverse interlayer anticlines and underground openings.
同时，该应力场所控制的层间破碎带和背斜，大大影响了地下空洞的成生和分布。
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