Method for Getting the Soil Elastic Modulus in the Finite Element Analysis of the Deep Foundation Excavation in Tianjin

2012 ◽  
Vol 170-173 ◽  
pp. 386-389
Author(s):  
Shi Lun Feng ◽  
Pu Lin Li ◽  
Jun Li ◽  
Yuming Zhou
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Elastic Modulus ◽  
Three Dimensional ◽  
Soil Parameters ◽  
Deep Foundation ◽  
Foundation Pit ◽  
Element Analysis ◽  
Finite Element Software ◽  
Deep Foundation Excavation

The finite element method has been used widely in foundation pit engineering to simulate the deep foundation excavation, but it is troublesome and time-consuming to get the important calculation parameter of the soil elastic modulus. So a method based on the comon soil parameters is proposed to get the soil elastic modulus. And a real foundation excavation was simulated using the finite element software ABAQUS and the soil elastic modulus got according to the proposed method. The three-dimensional finite element analysis results were compared to the field data, and both results were close to each other.

Non-Linear Three-Dimensional Finite Element Analysis of Some Extremely Deep Foundation Pit Support

2013 ◽  
Vol 443 ◽  
pp. 79-83
Author(s):  
Zhen Xi Yu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Simulation Analysis ◽  
Three Dimensional ◽  
Deep Foundation ◽  
Foundation Pit ◽  
Element Analysis ◽  
Deep Foundation Pit ◽  
Three Dimensional Finite Element ◽  
Support Engineering

In recent years, with the enhancement of overall national strength in China, the computer simulation technology has been developed rapidly and widely applied to engineering construction. Particularly, investment proportion of the technology in deep foundation pit engineering is immense. Yet affected by national conditions in China, the construction and application of deep foundation pit engineering have many extensive factors. It also results in insufficient vigor of finite element analysis of deep foundation pit support construction. In this way, construction problems arise frequently under the condition that there exist buildings around. With some deep foundation pit support engineering, the thesis conducts simulation analysis of the engineering through the technology of nonlinear three-dimensional finite element.Project profile

2D Finite Element Analysis of a Excavation Supporting Types in Changchun City

2014 ◽  
Vol 536-537 ◽  
pp. 1589-1593 ◽  
Author(s):  
Xiu Xiu Liu ◽  
Guang Li Sun ◽  
Chao Sun
Keyword(s):  
Finite Element ◽  
Deep Foundation ◽  
Foundation Pit ◽  
Element Analysis ◽  
Foundation Soil ◽  
Finite Element Software ◽  
Excavation Process ◽  
Excavation Work ◽  
Deep Foundation Excavation ◽  
Stress And Deformation

In this paper, By using a large common ABAQUS finite element software to simulate a hospital,s deep foundation pit excavation process in Changchun, Contrasting respectively pile-anchor retaining structure which had been adopted in the project with pile-strut bracing structure. Obtaining stress and deformation of soil and the stress and deformation of pile under the two supporting types, Analysis of the two supporting types feature only from the perspective of the force and deformation in foundation soil and piles, To provide a reference for future support in deep foundation excavation work.

Finite Element Analysis and Investigation of Double-Row Piles Supporting Structure

2013 ◽  
Vol 838-841 ◽  
pp. 779-785
Author(s):  
Liang Gu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Stress Distribution ◽  
Maximum Shear Stress ◽  
Horizontal Displacement ◽  
Deep Foundation ◽  
Foundation Pit ◽  
Double Row ◽  
Element Analysis ◽  
Supporting Structure

The double-row piles supporting structure is a new type of supporting and protecting for deep foundation excavation. It is widely used to in design of deep foundation pit. Now how to simply and effectively design the structure of double-row piles is in a research and discuss stage. Using the Midas GTS finite element method, the displacement and stress distribution of double-row piles in the different stages of excavation are obtained, and the horizontal displacement and stress distribution of double-row piles in the different stages of excavation are calculated. The results of Midas GTS finite element analysis as follows: (1) after the excavation of foundation pit, the horizontal displacement of pile-top is maximum. The horizontal displacement decreases gradually with depth increases. And the displacement of front row piles is larger than that of back row piles; (2) the maximum shear stress is at the distance 5m to the foundation basement. The higher bending moment at the pile-top and the distance 10m to the foundation basement are consistent with the actual monitoring date. (3) the results of finite element analysis is close to the Richard software and actual monitoring data. It is show that using the finite element analysis to analyze the double-row piles supporting structure with is veritable and credible.

Finite Element Analysis of the 40ft Container

2011 ◽  
Vol 243-249 ◽  
pp. 4311-4314
Author(s):  
Ming Hai Li ◽  
Shou Yuan Ma
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Three Dimensional ◽  
Element Analysis ◽  
Maximum Deformation ◽  
Finite Element Software ◽  
Three Dimensional Modeling ◽  
Dimensional Modeling ◽  
Modeling Software ◽  
Static Conditions

Strength and deflection finite element analysis was given to the 40ft Container which export to Saudi when at the lifting and static conditions in this text. The text applied three-dimensional modeling software Pro / E for solid modeling, HyperMesh finite element software for mesh, ANSYS finite element analysis software to calculate, show maximum deformation and maximum stress position to every conditions of the container .provide the reliability calculating for this type of container.

Excavation and Support of Deep Foundation Pit Finite Element Analysis

2012 ◽  
Vol 532-533 ◽  
pp. 450-454
Author(s):  
Xiao Lin Dong ◽  
Dong Nan Han
Keyword(s):  
Finite Element ◽  
Large Scale ◽  
Earth Pressure ◽  
Internal Force ◽  
Structural Deformation ◽  
Deep Foundation ◽  
Foundation Pit ◽  
Element Analysis ◽  
Finite Element Software ◽  
Excavation Process

In this paper, sun deep foundation works as background for the pit excavation process are charged to protect the structural deformation and earth pressure traits were studied, and the use of the GTS large-scale finite element software, the actual works in the excavation process in a step-by-stepthe displacement field, the internal force distribution of the analysis, management is deep foundation software and GTS software to calculate the results were compared, focusing on the supporting structure of the deformation and its influencing factors, and come to some meaningful patternsprovide a meaningful reference for similar projects.

Finite Element Analysis on Lateral Deformation of Foundation Pit Influenced by Prestress of Fish-Bellied Beam Support

2013 ◽  
Vol 838-841 ◽  
pp. 622-628
Author(s):  
Tu Gen Feng ◽  
Tao Tong ◽  
Ya Jun Cao ◽  
Zhong Hua Xiong
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Lateral Deformation ◽  
Foundation Pit ◽  
Element Analysis ◽  
Finite Element Software

The problem of loss of prestress and compensation of prestress of Fish-Bellied Beam Support exist in foundation pit construction but seldom be considered in design. Finite Element Analysis on an existed foundation pit engineering of prestressed Fish-Bellied Beam Support by using finite element software ABAQUS. Discussed the influence on lateral deformation of foundation pit caused by loss of prestress and compensation of prestress.The results show that the influence on lateral deformation of foundation pit caused by loss of prestress and compensation of prestress is remarkable, and existing a critical loss percentage, lateral deformation of foundation pit will be well controlled by adjusting compensation of prestress in terms of considering the critical loss percentage.

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