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Short piles composite foundation bearing capacity and settlement

Author: DengChao
Tutor: GongXiaoNan
School: Zhejiang University
Course: Geotechnical Engineering
Keywords: Length of the pile composite foundation Finite Element Method Settlement Load transfer Additional stress Cushion
CLC: TU473.1
Type: Master's thesis
Year: 2002
Downloads: 619
Quote: 55
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Abstract


With composite foundation theory and technology development and application , in the form of composite foundation , great changes have taken place , many new composite foundation is applied to engineering design and practice, in which the length of pile composite foundation is typical of a new types of composite foundation forms . First, the paper reviews the overview of the development of composite foundation and the basic theory , and recalled the long and short piles composite foundation research situation . Secondly, this paper ANSYS5.7 analysis program , using two-dimensional finite element method analysis of the length of the pile composite foundation bearing capacity and settlement characteristics ; explored the length of pile composite foundation pile load transfer characteristics, additional stress distribution , etc., and the effects of short piles composite foundation pile main parameters on soil load sharing and composite foundation settlement influence ; while highlighting the role of cushion . Furthermore, a comprehensive analysis of this paper , based on the proposed length of the pile composite foundation bearing capacity and settlement calculation mode and practical calculation methods , in order to be directly applied to engineering practice . Finally, through the length of the pile composite foundation engineering field test to analyze an example , the theoretical calculations and field test results were compared , proved short pile composite foundation application reliability , its theory and application of in-depth study has important reference value.

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