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《桥规》附录十五墩台基础考虑土的弹性抗力的计算,对于刚性基础(h≤2.5/α)作了下列基本假定: 1.将土视作弹性变形介质,它具有随深度成正比增长的地基系数; 2.计算公式的推导不考虑基础与土之间的粘着力和摩阻力; 3.墩台基础的刚度与土相比,认为前者的刚度为无穷大; 4.在水平压力和竖向压力作用下,任何深
Considering the calculation of the elastic resistance of soil, the following basic assumptions are made for the rigid foundation (h≤2.5 / α): 1. The soil is regarded as the elastic deformation medium, which has the characteristic of being proportional to the depth The foundation coefficient of growth; 2. The derivation of calculation formula does not consider the adhesion and friction resistance between foundation and soil; 3. The stiffness of foundation and abutment foundation is considered to be infinite compared with soil; 4. Under the conditions of horizontal pressure and Under vertical pressure, any deep