Abstract:
This paper provides research on the study of the balance effect of stress balance method and the applicability of the method with the help of bearing characteristics of capped pile composite foundation using ABAQUS model. In this paper, a composite foundation model with a capped pipe pile is taken as an example and the accuracy of the effect of initial stress balance by ABAQUS numerical modeling is studied. The application of five initial ground stress equilibrium methods in ABAQUS is described in detail. The automatic balance method, the initial geostress method of keyword definition and the balance effect of ODB import method are comparatively analyzed. The conclusion is drawn that the method of automatic balancing has the best balance effect and is the preferred method of stress balance. The initial geostress method defined by the key word can be applied under certain conditions. The balance effect of ODB import method is not very ideal, which needs to be imported repeatedly to achieve satisfactory results. The study of three methods to simulate the effect of stress balance provides a positive guiding role and reference value for other similar models.