Response Of Pile Foundations Due To Lateral Force And Soil Movements
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Response Of Pile Foundations Due To Lateral Force And Soil Movements
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Author : Hongyu Qin
language : en
Publisher:
Release Date : 2010
Response Of Pile Foundations Due To Lateral Force And Soil Movements written by Hongyu Qin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Electronic dissertations categories.
Abstract : This research has investigated the response of pile foundations subjected to lateral force applied directly to pile head and loadings arising from lateral soil movements of the surrounding ground. The behaviour of pile foundations subjected to lateral soil movements was studied through physical modelling with a specially designed testing apparatus. Laboratory experiments have been undertaken on a single pile embedded in progressive moving sand. A triangular loading block was used in the model tests to induce a progressive soil movement profile. Apart from eight general tests, sixteen tests were conducted on a single pile to examine the effects of the distance between the source where soil movements were induced and the pile location, the magnitude of axial load applied at pile head, the variation of loading block angle, varying combination of sliding and stable layer depths, and pile diameter on the responses of piles. The results of previously conducted pile tests with a uniform soil movement profile were compared with those of the current tests to examine the effect of soil movement profiles on the pile behaviour. Simple solutions were proposed for predicting the pile responses. They provided good estimate of the development of maximum bending moment and maximum shear force in the piles with soil movement. Importantly, the maximum bending moments induced by the soil movements were found to be linearly related to the maximum shear forces (sliding thrust), independent of the magnitude and depth of soil movement and soil movement profiles. Experiments have also been conducted on pile groups in progressive moving sand, including various pile group configurations and spacing. Both free-head and cappedhead fixity conditions have been considered. The findings show that the resistances of the piles to lateral soil movements significantly rely on their locations in a group, especially for piles arranged in a line parallel to the soil movement direction. The results of the pile group tests were compared with those of the single pile tests. Group factors were defined in terms of maximum bending moment and modulus of subgrade reaction to quantify the impact of group effect. The simple solutions developed were extended for predicting the response of individual piles in a group with soil movement. The static and cyclic responses of laterally loaded piles in cohesionless soils have been investigated as well. Guideline for estimating the design parameters for laterally loaded rigid piles in cohesionless soils were provided from extensive back calculation of measured responses of fifty-one pile tests. The elastic-plastic solutions presented by Guo (2008) were used in the back calculation. Simple expressions were presented for estimating the parameters used in the solutions. The reliability of the back calculation, the effects of the ratio of loading eccentricity to pile embedded length on the nonlinear pile response and lateral load capacity were investigated. Additionally, the apparatus was modified to apply cyclic lateral loading, with which a series of model tests were conducted on piles in dry sand under static and cyclic loadings. Analyses of the test results show that the cyclic load level has a greater impact on the pile behaviour than the number of cycles. It is noted that the gradient of the limiting force profile will decrease and the modulus of subgrade reaction will increase, after a number of unloading and reloading cycles. The induced maximum bending moment can be estimated from the applied lateral load, eccentricity of the load, and the depth at which the maximum bending moment occurs.
Theory And Practice Of Pile Foundations
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Author : Wei Dong Guo
language : en
Publisher: CRC Press
Release Date : 2012-11-14
Theory And Practice Of Pile Foundations written by Wei Dong Guo and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-14 with Technology & Engineering categories.
Pile Foundations are an essential basis for many structures. It is vital that they be designed with the utmost reliability, because the cost of failure is potentially huge. Covering a whole range of design issues relating to pile design, this book presents economical and efficient design solutions and demonstrates them using real world examples. Coverage includes nonlinear response of single piles to vertical or torsional loading and to cyclic lateral loading, as well as prediction of nonlinear response of lateral pile groups, vertically loaded pile groups and the design of slope stabilising piles. Most solutions are provided as closed-form expressions. Theory and Practice of Pile Foundations is: illustrated with case studies accompanied by practical applications in Excel and MathCad the first book to incorporate nonlinear interaction into pile design. A valuable resource for students of geotechnical engineering taking courses in foundations and a vital tool for engineers designing pile foundations.
Advanced Design Of Pile Foundations Under Lateral Loading
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Author : Wei Dong Guo
language : en
Publisher: CRC Press
Release Date : 2023-12-15
Advanced Design Of Pile Foundations Under Lateral Loading written by Wei Dong Guo and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-15 with Technology & Engineering categories.
This book presents models that capture the nonlinear response of piles subjected to lateral forces. Utilising a consistent approach encompassing new mathematical models, it offers solutions presented as closed-form expressions and underpinned by the same set of 3-5 measurable soil-input parameters. These focus on nonlinear response of mono piles, anchored piles, pile groups, and torsional piles, as well as passive piles subjected to soil movement induced in shearing, sliding slopes or excavation, and earthquake shaking. The models can also be used for pipelines and similar beam structures. Solutions are provided in the form of design charts, with each parameter obtained using available test data and illustrated with real-world cases. The models reveal, for the first time, the mysterious mechanisms of amplification resulting from back-rotation, which have incurred the collapse of structures such as the Showa Bridge and Nicoll Highway, as well as the distortion of piles during earthquakes. Advanced Design of Pile Foundations Under Lateral Loading is ideal for practicing foundation engineers and students at graduate level. Wei Dong Guo is co-founder of Hans Innovation Group and former Associate Professor at the University of Wollongong, Australia. He is a Chartered Professional Engineer and is a Fellow of Engineers Australia by whom he was awarded the 2012 Warren Medal.
Pile Foundation And Design
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Author : H. G. Poulos
language : en
Publisher: John Wiley & Sons
Release Date : 1980-07-08
Pile Foundation And Design written by H. G. Poulos and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980-07-08 with Technology & Engineering categories.
Provides methods of analysis of pile formation that may be useful in design. Presents: a consistent theoretical approach to the prediction of pile deformation and load capacity; parametric solutions for a wide range of cases; demonstrations of how such solutions can be used for design purposes; a review of the applicability of these approaches to practical problems.
Liquefaction Induced Lateral Spreading And Its Effects On Pile Foundations
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Author : Liangcai He
language : en
Publisher:
Release Date : 2005
Liquefaction Induced Lateral Spreading And Its Effects On Pile Foundations written by Liangcai He and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Single Piles And Pile Groups Under Lateral Loading
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Author : Lymon C. Reese
language : en
Publisher: CRC Press
Release Date : 2000-01-01
Single Piles And Pile Groups Under Lateral Loading written by Lymon C. Reese and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01-01 with Technology & Engineering categories.
Guiding the professional through the complexities of lateral-load design, this book and CD-ROM combination introduces the procedures involved in piles and pile group design. This is a problem that can only be solved by accounting for the soil resistance as related to the lateral deflection of the pile. Intricate equations are derived and fully explained, enabling the designer to find the critical loads, that will either cause a pile to be overloaded or cause too much lateral deflection. The CD-ROM contains simplified versions of two required programs that allow the reader to check the solutions of some of the examples given in the book and to find answers to related problems.
Laterally Loaded Deep Foundations
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Author : James A. Langer
language : en
Publisher: ASTM International
Release Date : 1984
Laterally Loaded Deep Foundations written by James A. Langer and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Technology & Engineering categories.
Pile Foundations In Engineering Practice
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Author : Shamsher Prakash
language : en
Publisher: John Wiley & Sons
Release Date : 1991-01-16
Pile Foundations In Engineering Practice written by Shamsher Prakash and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-16 with Technology & Engineering categories.
This is a concise, systematic and complete treatment of the design and construction of pile foundations. Discusses pile behavior under various loadings and types of piles and their installation, including consideration of soil parameters. It provides step-by-step design procedures for piles subject to vertical loading and pullout, lateral, inclined and eccentric loads, or dynamic loads, and for piles in permafrost. Also describes load test procedures and their interpretation and buckling of long, slender piles with and without supported length. The closing chapter presents case histories of prediction and performance of piles and pile groups. Includes numerous solved problems.
Numerical Methods In Geotechnical Engineering
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Author : Thomas Benz
language : en
Publisher: CRC Press
Release Date : 2010-05-25
Numerical Methods In Geotechnical Engineering written by Thomas Benz and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-25 with Technology & Engineering categories.
Numerical Methods in Geotechnical Engineering contains 153 scientific papers presented at the 7th European Conference on Numerical Methods in Geotechnical Engineering, NUMGE 2010, held at Norwegian University of Science and Technology (NTNU) in Trondheim, Norway, 2 4 June 2010.The contributions cover topics from emerging research to engineering pra
Geotechnical Engineering And Sustainable Construction
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Author : Mahdi O. Karkush
language : en
Publisher: Springer Nature
Release Date : 2022-03-19
Geotechnical Engineering And Sustainable Construction written by Mahdi O. Karkush and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-19 with Science categories.
This book contains selected articles from the Second International Conference on Geotechnical Engineering-Iraq (ICGE-Iraq) held in Akre/Duhok/Iraq from June 22 to 23, 2021, to discuss the challenges, opportunities, and problems of geotechnical engineering in projects. Also, the conference includes modern applications in structural engineering, materials of construction, construction management, planning and design of structures, and remote sensing and surveying engineering. The ICGE-Iraq organized by the Iraqi Scientific Society of Soil Mechanics and Foundation Engineering (ISSSMFE) in cooperation with Akre Technical Institute / Duhok Polytechnic University, College of Engineering /University of Baghdad, and Civil Engineering Department/University of Technology. The book covers a wide spectrum of themes in civil engineering, including but not limited to sustainability and environmental-friendly applications. The contributing authors are academic and researchers in their respective fields from several countries. This book will provide a valuable resource for practicing engineers and researchers in the field of geotechnical engineering, structural engineering, and construction and management of projects.