The modified Mohr-Coulomb failure theory is used, on the base of curving failure surface, the concrete strength conversion calculation formula is derived: f_c= 2.3P;Finite Element Method analysis on the post-insert pullout method is performed by using of ANSYS software.
5.本文使用Mohr-Coulomb准则,由拔出体破坏面推导出的测强公式为: f_c= 2.3P;采用ANSYS有限元程序对后装拔出法试验过程进行弹性理论分析。
参考来源 - 基于拔出法的商品混凝土强度检测方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
利用大坝超载分析寻求破坏面，从而得出破坏的极限荷载。
The failure plane and then the limit load are calculated by overloading analysis.
根据莫尔-库仑破坏准则得出了桩端的破坏面形状以及极限端阻力。
Failure surface shape of pile tip and ultimate tip resistance was obtained according to Mohr-Column failure criteria.
本文根据已论证过的混凝土破坏面，即椭圆抛物面的数学模型，报导出一个用以计算混凝土纯剪强度的简单公式。
A simple formula for calculating pure shear strength of concrete is derived on the basis of the verified mathematical model of concrete failure surface, the elliptic paraboloid.
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