Finite element study of tunnel soil pile interaction

... the completion of this thesis would not have been possible i FINITE ELEMENT STUDY OF TUNNEL- SOIL- PILE INTERACTION Cheng Ch’ng Yih National University of Singapore ABSTRACT This study was initiated ... analysis of tunnel- soil- pile interaction study can be performed 1.2 Objectives and Scope of Study Due to the inherent nature of the problem where a pile...

Ngày tải lên: 06/10/2015, 20:57

... ············· vii Large- scale Finite Element Simulation of Seismic Soil- Pile foundation- Structure Interaction Chapter Previous Studies on Seismic Soil- Pile Group -Structure Interaction ························ ... Implementation of the Key Features in GeoFEA ····· ···· 145 ···· 4.2.1 Soft Soil Constitutive Model for Dynamic Soil- Pile Interaction 146...

Ngày tải lên: 08/09/2015, 18:29

... Āplate, nail (m2) Aplate, Anail (m2) Ān Cross sectional area of 2D idealized plate and 3D nail Contact surface area of 2D idealized plate and 3D nail with soil Cross sectional area factor Af ... encountered by soil nailing (c) Combination of Internal and External Failure 1.1.3 Advantages and Disadvantages of Soil Nailing as a Geotechnical Application The main ad...

Ngày tải lên: 06/10/2015, 20:57

... pile raft is also a possible type of oil tank foundation system 2.2 Tank foundation review 2.2.1 Stability A tank stability study of 40 tanks, which included foundation shear failures and ruptures, ... analyses to study the effect of pile cap area, thickness of overlying granular material, number of piles, and stiffness of bed layer of a pile foundation sy...

Ngày tải lên: 06/10/2015, 20:57

... position (b) A 0% lateral share means that the entire load was applied on the medial area A negative baseplate positioning means a shift of the component towards the lateral side Page of 15 (page number ... (b) A 0% lateral share means that the entire load was applied on the medial area A negative baseplate positioning means a shift of the component t...

Ngày tải lên: 20/06/2014, 04:20

Ngày tải lên: 14/11/2014, 12:55

Ngày tải lên: 14/11/2014, 13:48

... in a conventional static loading test 2.2 Reaction System and Static Load Test 2.2.1 Recommended Distance of Reaction System for Static Load Test The ideal static load test of pile is one where ... 7.1.1 Influence of Reaction System on Conventional Pile Load Test 149 7.1.2 Comparison of Osterberg-Cell Load Test with Conventional Load Test 150 7.2 Recommendations for...

Ngày tải lên: 06/10/2015, 20:57

... are first conducted to verify the finite element analysis of melting and solidification Results of finite element analysis are compared with exact solutions of solidification and melting problems given ... for the elements involved in phase change are computed by the method of element removal and reactivation and the use of a new initial temperature at T s to calculate the stre...

Ngày tải lên: 06/05/2014, 08:55

... apportioned to material strain hardening and the remaining 20% to dispersal into the beam web Test E3 failed at a connection moment of 290 kNm due to thread stripping of both the bolts and nuts local to ... 1.34 Column flange bending E5 147 kN 253 kN 1.72 Column flange bending Table - Full Scale Test Results Finite Element Model MYSTRO and LUSAS FEA software was used for...

Ngày tải lên: 04/06/2014, 13:20

... (mm) Fig Uniform load – displacement curves for meshes M1, M2, M3 and Owen’s FE Table Distribution of plastic layers of some sections at elements with various uniform load of mesh M2 Uniform load ... no account of transverse shear deformation The governing equation: [Kf + Ks]ϕ - f = (8) where, the submatrices of Kf and Ks and subvectors of f for element e Element stiffne...

Ngày tải lên: 22/07/2014, 10:21

Ngày tải lên: 07/08/2014, 17:22

... incorporate the model into the finite element analysis is by employing interface elements The first interface element was formulated by FINITE ELEMENT ANALYSIS OF FRACTURE IN CONCRETE STRUCTURES ... CHAPTER 1—INTRODUCTION In this report, the state -of- the- art in finite element modeling of concrete is viewed from a fracture mechanics perspec...

Ngày tải lên: 24/10/2014, 21:58

... facial bones and cranial bones as well as intracranial injuries are evaluated based on the tolerance limits of the biomechanical parameters General trend of maximum intracranial biomechanical parameters ... thanks to all of my colleagues and my best friends Arpan Gupta, Guo Shifeng, Zhu Jianhua, Zhuang Han, Liu Yilin, Kyrin Liong, Saeid Arabnejad Khanooki, Shahrokh Sepehri Rahna...

Ngày tải lên: 10/09/2015, 09:04

... performed to study the damage pattern on CFRP laminates arising from low- velocity impact, and to predict the CAI strength of impact damaged composites The impact event and CAI test are two separate topics, ... important measure of damage tolerance of composite materials Extensive experimental research has been performed on the topic of low- velocity impact...

Ngày tải lên: 10/09/2015, 09:04