本文从平面应力场理论分析入手，介绍了简单褶皱的力学模式、复合构造模式，并进行了构造裂缝的理论分析。

Starting from analyzing the theory of plane stress field, the paper introduced mechanical mode for simple fold and composite structural mode and analyzed the theory of structural fracture.

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构造裂缝的形成和分布与局部构造作用(断层、褶皱作用)有关。

The forming and distribution of the structural fractures are related to the local tectonics (e. g. the rifting and the folding).

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对于圆柱状褶皱可以估算与褶皱有关的裂缝孔隙度和渗透率。

For a cylindrical fold, the average aperture and fracture permeability related can be estimated.

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