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通过对断层转折褶皱Suppe模型角度关系的深入分析,提出一种应用圆周和三角形来进行褶皱变形的几何图解方法,论证了该几何作图方法的合理性和准确性。分别就实际应用中4种主要常见情况,即已知半翼间角γ和断层切层角θ、已知半翼间角γ和前翼倾角β、已知断层切层角θ和前翼倾角β以及已知断层切层角θ和断层转折角φ情况下的几何构图方法进行了阐述。通过应用实例和结果对比分析,表明该方法具有成图过程简单而结果准确的特点,可提高建模的准确性,具有很好的应用效果。
Based on the deep analysis of the angular relationship between the Suppe model and the fold of the fault, a geometrical solution to the wrinkle deformation using the circumference and the triangle is proposed. The rationality and accuracy of the method are verified. Four main common situations in practice, known as the half-wing angle γ and the fault slice angle θ, are known. The half-wing angle γ and the front wing inclination β are known respectively. The known slice angle θ and the front wing inclination angle β and the geometrical composition method of the known fault slice angle θ and the fault turn angle φ are described. Through the comparative analysis of application examples and results, it shows that this method has the characteristics of simple and accurate mapping process, which can improve the accuracy of modeling and has good application effect.