Using the data of outcrops, cores, thin sections and image logs, we analyzed the fractureorigin 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。
2
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。
3
The research shows that the latter tectonic stress field controlled the origin and distribution of interlayer fracture zones, transverse interlayer anticlines and underground openings.