Download or read book Analysis of Pile Foundations Subject to Static and Dynamic Loading written by Amir M. Kaynia and published by CRC Press. This book was released on 2021-08-30 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents computational tools and design principles for piles used in a wide range of applications and for different loading conditions. The chapters provide a mixture of basic engineering solutions and latest research findings in a balanced manner. The chapters are written by world-renowned experts in the field. The materials are presented in a unified manner based on both simplified and rigorous numerical methods. The first four chapters present the basic elements and steps in analysis of piles under static and cyclic loading together with clear references to the appropriate design regulations in Eurocode 7 when relevant. The analysis techniques cover conventional code-based methods, solutions based on pile-soil interaction springs, and advanced 3D finite element methods. The applications range from conventional piles to large circular steel piles used as anchors or monopiles in offshore applications. Chapters 5 to 10 are devoted to dynamic and earthquake analyses and design. These chapters cover a range of solutions from dynamic pile-soil springs to elasto-dynamic solutions of large pile groups. Both linear and nonlinear soil behaviours are considered along with response due to dynamic loads and earthquake shaking including possible liquefaction. The book is unique in its unified treatment of the solutions used for static and dynamic analysis of piles with practical examples of application. The book is considered a valuable tool for practicing engineers, graduate students and researchers.
Download or read book Analysis of Pile Response Under Axial Loads written by Roy E. Olson and published by . This book was released on 1984 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analysis and Prediction of the Axial Capacity and Settlement of Displacement Piles in Sandy Soil written by Feng Mu and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Analysis and Prediction of the Axial Capacity and Settlement of Displacement Piles in Sandy Soil" by Feng, Mu, 牟峰, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: ABSTRACT Piles are often used as foundations for tall buildings and critical structures. The performance of displacement piles in sand is recognized as being the area of greatest uncertainty in foundation design. Until recently, design methods throughout the world were almost entirely empirical. The failure to fully understand the underlying mechanisms is due mainly to the complexity of the interaction between the pile and surrounding soil. This thesis describes an investigation into the behavior of displacement piles in sandy soil and proposes a novel approach for the analysis and prediction of both the capacity and settlement of displacement piles under axial load. The estimation of ultimate base resistance is implemented in the framework of spherical cavity expansion theory by taking into account the properties of sandy soils, in terms of nonlinear shear stiffness and state-dependent shear strength. The ultimate local shaft friction is estimated based on a careful investigation of the 'friction fatigue' along the pile shaft during pile installation. Three phases of the load-settlement response are identified according to the mobilization of base and shaft resistances, and thereafter estimates are made in terms of the individual contributions of the base and shaft resistances to the total head settlement in each phase. A database of high-quality pile load tests is compiled for purposes of validating the proposed approach. A reasonably good agreement is shown between the measurements and predictions in both capacity and settlement. To facilitate the practical application, further effort has been made to develop a user-friendly software in the Windows platform that incorporates this novel approach. ii DOI: 10.5353/th_b3955898 Subjects: Piling (Civil engineering) Soil mechanics
Download or read book Single Piles in Liquefiable Ground written by Rui Wang and published by Springer. This book was released on 2018-04-25 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on the seismic response of piles in liquefiable ground. It describes the design of a three-dimensional, unified plasticity model for large post-liquefaction shear deformation of sand, formulated and implemented for parallel computing. It also presents a three-dimensional, dynamic finite element analysis method for piles in liquefiable ground, developed on the basis of this model,. Employing a combination of case analysis, centrifuge shaking table experiments and numerical simulations using the proposed methods, it demonstrates the seismic response patterns of single piles in liquefiable ground. These include basic force-resistance mode, kinematic and inertial interaction coupling mechanism and major influence factors. It also discusses a beam on the nonlinear Winkler foundation (BNWF) solution and a modified neutral plane solution developed and validated using centrifuge experiments for piles in consolidating and reconsolidating ground. Lastly, it studies axial pile force and settlement during post-earthquake reconsolidation, showing pile axial force to be irrelevant in the reconsolidation process, while settlement is process dependent.
Download or read book Use of Pile Driving Analysis for Assessment of Axial Load Capacity of Piles written by Rodrigo Salgado and published by Purdue University Press. This book was released on 2012-12-01 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Driven piles are commonly used in foundation engineering. Pile driving formulae, which directly relate the pile set per blow to the capacity of the pile, are commonly used to decide whether an installed pile will have the designed capacity. However, existing formulae have been proposed based on empirical observations and have not been validated scientifically, so some might over-predict pile capacity, while others may be too conservative. In this report, a more advanced and realistic model developed at Purdue University for dynamic pile driving analysis was used to develop more accurate pile driving formulae. These formulae are derived for piles installed in typical soil profiles: a floating pile in sand, an end-bearing pile in sand, a floating pile in clay, an end-bearing pile in clay and a pile crossing a normally consolidated clay layer and resting on a dense sand layer. The proposed driving formulae are validated through well documented case histories of driven piles. Comparison of the predictions from the proposed formulae with the results from static load tests, dynamic load tests and conventional formulae show that they produce reasonably accurate predictions of pile capacity based on pile set observations.
Download or read book Experimental Study of Ultimate Uplift Resistance of Roughened Model Piles in Sand written by Ahmed Shlash and published by . This book was released on 1994 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Response of Piles in Loess to Lateral Loads written by Karen A. Clowers and published by . This book was released on 1992 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Single Piles and Pile Groups Under Lateral Loading written by Lymon C. Reese and published by CRC Press. This book was released on 2010-12-15 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: The complexities of designing piles for lateral loads are manifold as there are many forces that are critical to the design of big structures such as bridges, offshore and waterfront structures and retaining walls. The loads on structures should be supported either horizontally or laterally or in both directions and most structures have in common t
Download or read book Elastic Analysis of Axial Load displacement Behavior of Single Driven Piles written by Cem Akgüner and published by . This book was released on 2007 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deep foundations are commonly recommended when large displacements are expected. Typically, though, their design involves only checking and providing for sufficient capacity to carry the applied loads. Load-displacement behavior of piles is considered secondary to the axial capacity; displacements are ordinarily overlooked or not calculated if and when the estimated pile capacity is two to three times the design or expected loading. However, in cases, such as long piles or piles in dense cohesionless soils, displacements can be the critical factor in design or it could be a structural requirement to limit the displacements. In this dissertation, the displacements of axially loaded single piles are investigated by conducting analyses with the aid of an approach based on elasticity. The original solution predicting displacements due to a vertical load within a semi-infinite soil mass has been modified for varying soil conditions and layering, and assumptions of stresses and displacements acting on the soil-pile interface. Aside from the available/known factors of the pile (length, diameter, cross-sectional area, etc.) and the layering of the surrounding soil, Young's modulus and Poisson's ratio of the soil encompassing a pile are the unknowns required as input to obtain predictions based on the elastic method. In this study, attention is directed towards determining Young's modulus because the range and variability of Poisson's ratio is not significant in displacement calculations. Axial pile load testing data were provided by the California Department of Transportation as part of a project to improve its general approach to pile design. All of the tested piles were driven into the ground. Measurements of displacements and loads were made only at the top of the pile. Supplementary in-situ testing involving cone penetration (CPT) and standard penetration (SPT), drilling, and sample collection, were conducted in addition to laboratory testing to enhance the available information. In this research, predicted displacements are compared with those deduced from pile load tests. Two sets of predictions based on elastic method are conducted for comparing displacements. First, various correlations for Young's modulus are employed to determine how accurately each predicts the actual measured displacement. The chosen correlations utilize laboratory triaxial undrained shear strength and standard penetration test blowcount for cohesive and cohesionless soils, respectively. Secondly, the same data are also utilized to obtain back-calculated values of Young's moduli for analyses involving the elastic method. The measured displacements at loads of a third, a half, twothirds, and equal to the failure load were matched iteratively. Results from this research are deemed to have an impact on engineering practice by improving the determination of Young's modulus for displacement analyses involving the elastic method. A unique approach that has potential is the reconciliation of load ratios (percentage of failure load) with displacement calculations to provide a better overview of the range of load ratios for which these newly formulated correlations may be employed. Through this research, it is anticipated that better determination of soil parameters for elastic analysis of axial pile displacements can be made by researchers and engineers alike.
Download or read book Dynamics of a Pile Under Axial Loading written by Alain Thierry Gobert and published by . This book was released on 1992 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Behavior of Piles and Pile Groups Under Lateral Load written by Lymon C. Reese and published by . This book was released on 1986 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Response Analysis and Design of Pile Groups Subjected to Static Dynamic Lateral Loads written by Kyle M. Rollins and published by . This book was released on 2003 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Experimental and Analytical Models to Predict the Response of Pile to Pile Cap Connections Under Simulated Seismic Loads written by Pedro Franco Silva and published by . This book was released on 1998 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Compilation and analysis of axial load tests on friction piles written by David Garth Winter and published by . This book was released on 1981 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Allowable Stresses in Piles written by M. T. Davisson and published by . This book was released on 1983 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study presents methods for establishing allowable stresses in steel, concrete, and timber piles using load/resistance factor concepts. These methods take into account not only the material properties of the pile itself but also the individual effects of long term loads, driving stresses and drivability, imperfections in form or material and various environmental conditions which tend to reduce pile capacity. Using the results of the study, changes in Section 4, Division 1 of the AASHTO Standard Specifications for Highway Bridges, are proposed. The study is limited to the design of the pile as a structural member.
Download or read book Liquefaction and Lateral Soil Movement Effects on Piles written by Debanik Chaudhuri and published by . This book was released on 1998 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Axial Force Transfer Mechanisms Within Cast in steel shell Piles written by Michael John Gebman and published by . This book was released on 2006 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
