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Composite Foundation traits Simulation Analysis and Applied Research

Author: FangJian
Tutor: YeHongDongï¼›ShenZhenYuan
School: Hebei University of Engineering
Course: Architecture and Civil Engineering
Keywords: Composite Foundation Numerical Simulation Pile-soil stress ratio Vertical stress
CLC: TU473.1
Type: Master's thesis
Year: 2011
Downloads: 61
Quote: 1
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Abstract


Composite foundation is our country developed in the late 1980s of a new foundation reinforcement technology, due to its good economic and applicability in the building foundation treatment has received a wide range of applications , however, ahead of engineering practice , and theoretical research lag the phenomenon still exists . In this paper, numerical simulation technology, the mechanical properties of the composite foundation analysis and study, the main research contents and results are as follows : ( a ) by means of large general-purpose finite element analysis software ANSYS, composite foundation considering the nonlinear characteristics of various component units on the vertical loads CFG pile composite foundation for numerical simulation analysis of different pile length , pile modulus, modulus of soil reinforced area , cushion thickness of the pile -soil stress ratio and piles of soil vertical stress affected. ( 2 ) According to the numerical simulation analysis of pile-soil stress ratio and the relationship between various influencing parameters , using the EXCEL regression data analysis functions are pile-soil stress ratio dimensionless empirical formula , and through related engineering test data validation empirical formula correctness . ( 3 ) According to the numerical simulation of the data obtained are summarized data in EXCEL functions are piles, soil vertical stress distribution curve , summed up the pile, soil vertical stress distribution law . ( 4 ) through an engineering example, a detailed analysis of composite foundation design process , and finally pile-soil stress ratio of composite foundation empirical formula applied to the design , reflecting the superiority of the improved design methods .

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > Pile foundation and deep foundation > Pile
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