Analysis of Laterally Loaded Long Or Intermediate Drilled Shafts of Small Or Large Diameter in Layered Soil PDF Download
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Author: Mohamed Ashour
Publisher:
ISBN:
Category : Lateral loads
Languages : en
Pages : 0
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![Analysis of Laterally Loaded Long Or Intermediate Drilled Shafts of Small Or Large Diameter in Layered Soils [i.e. Soil] PDF](https://books.google.com/books/content/images/frontcover/i45NAQAAMAAJ?fife=w80-h100)
Author: Mohamed A. Ashour
Publisher:
ISBN:
Category : Lateral loads
Languages : en
Pages : 226
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Book Description
This study has extended the capability of the SW model in order to predict the response of laterally loaded large diameter shafts considering 1) the influence of shaft type on the lateral shaft response; 2) the nonlinear behavior of shaft material and its effect on the soil-shaft interaction; 3) developing liquefaction in the surrounding soil profile based on far and near-field induced water pressure; and 4) vertical side shear resistance along the shaft wall that has a significant contribution to the lateral shaft response
Author: Mohamed Ashour
Publisher:
ISBN:
Category : Lateral loads
Languages : en
Pages : 0
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Author: Christoph Niemann
Publisher: BoD – Books on Demand
ISBN: 3737608881
Category : Science
Languages : en
Pages : 310
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Book Description
It is the aim of this research work is to investigate and to assess quatitatively as well as quantitatively the bearing behaviour of pile groups subjected to cyclic lateral loading. In this context, the influences of different boundary conditions, in particular the soil properties and the pile group geometry are to be analysed experimentally and numerically. Based on a brief literature review in chapter 2, model tests (centrifuge and small-scale at 1g) and numerical investigations have been carried out to contribute to a better understanding of the cyclic behaviour of pile groups. Chapter 3 describes the test procedure and summarises the results of centrifuge tests, which have been carried out at the Centre for Offshore Foundation Systems (COFS) in Perth, Australia. Further investigations have been carried out by means of smallscale model tests at 1g in the testing facilities at the University of Kassel, Germany, with the results as summarised in chapter 4. A comparison of individual results of both test series is provided in chapter 5. The numerical studies in chapter 6 have been carried out in order to analyse the general ability of numerical simulations to calculate the response of pile groups to cyclic lateral loading. Based on the previously derived results, chapter 7 provides equations that can be applied to estimate the cyclic accumulation of lateral displacements of pile groups as well as the cyclic changes of the load distribution within pile groups.
Author: Satyajit Patel
Publisher: Springer Nature
ISBN: 9813363703
Category : Science
Languages : en
Pages : 779
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Book Description
This book comprises select proceedings of the annual conference of the Indian Geotechnical Society. The conference brings together research and case histories on various aspects of geotechnical and geoenvironmental engineering. The book presents papers on geotechnical applications and case histories, covering topics such as (i) Characterization of Geomaterials and Physical Modelling; (ii) Foundations and Deep Excavations; (iii) Soil Stabilization and Ground Improvement; (iv) Geoenvironmental Engineering and Waste Material Utilization; (v) Soil Dynamics and Earthquake Geotechnical Engineering; (vi) Earth Retaining Structures, Dams and Embankments; (vii) Slope Stability and Landslides; (viii) Transportation Geotechnics; (ix) Geosynthetics Applications; (x) Computational, Analytical and Numerical Modelling; (xi) Rock Engineering, Tunnelling and Underground Constructions; (xii) Forensic Geotechnical Engineering and Case Studies; and (xiii) Others Topics: Behaviour of Unsaturated Soils, Offshore and Marine Geotechnics, Remote Sensing and GIS, Field Investigations, Instrumentation and Monitoring, Retrofitting of Geotechnical Structures, Reliability in Geotechnical Engineering, Geotechnical Education, Codes and Standards, and other relevant topics. The contents of this book are of interest to researchers and practicing engineers alike.
Author: Rolando P. Orense
Publisher: CRC Press
ISBN: 0203838203
Category : Technology & Engineering
Languages : en
Pages : 258
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Book Description
Soil-Foundation-Structure Interaction contains selected papers presented at the International Workshop on Soil-Foundation-Structure Interaction held in Auckland, New Zealand from 26-27 November 2009. The workshop was the venue for an international exchange of ideas, disseminating information about experiments, numerical models and practical en
Author: Lymon C. Reese
Publisher:
ISBN:
Category : Shafts (Excavations)
Languages : en
Pages : 244
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Book Description
Drilled shafts have been used on a limited scale for many years as an alternative to driven piles in a variety of foundation problems. However, uncertainty about the behavior of the drilled shaft has forestalled widespread adoption. The subject package, by Dr. Lymon C. Reese of the University of Texas, is intended for use by bridge engineers, geotechnical engineers, and builders of pile foundations. The manual contains rational procedures and practical guidelines for the design and construction of drilled shaft foundations. Volume I presents a rational design procedure for drilled shafts under axial loading and includes guidelines on construction methods, inspection, load testing, specifications, and cost estimates. Volume II presents alternative methods for computing the response of the shaft to lateral loading and presents the structural design of the shaft for axial and/or lateral loading.
Author: Ke Yang
Publisher:
ISBN:
Category : Lateral loads
Languages : en
Pages : 536
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Book Description
Drilled shafts socketed into rock are widely used as foundations for bridges and other important structures. Rock-socketed drilled shafts are also used to stabilize a landslide. The main loads applied on the drilled shafts are axial compressive or uplift loads as well as lateral loads with accompanying moments. Although there exist several analysis and design methods especially for rock-socketed drilled shafts under lateral loading, these methods were developed with assumptions without actual validations with field load test results. Some of the methods have been found to provide unsafe designs when compared to recently available field test data. Therefore, there is a need to develop a more rational design approach for laterally loaded drilled shafts socketed in rock. A hyperbolic non-linear p-y criterion for rock is developed in this study that can be used in conjunction with existing computer programs, such as COM624P, LPILE, and FBPIER, to predict the deflection, moment, and shear responses of a shaft under the applied lateral loads. Considerations for the effects of joints and discontinuities on the rock mass modulus and strength are included in the p-y criterion. Evaluations based on comparisons between the predicted and measured responses of full-scale lateral load tests on fully instrumented drilled shafts have shown the applicability of the proposed p-y criterion and the associated methods for determining the required input of rock parameters. In addition to the development of a hyperbolic p-y criterion for rock, a method for predicting lateral capacities of drilled shafts in rock and/or soils is developed for assessing the safety margin of the designed shafts against the design loads. A computer program LCPILE is developed using VC++ to facilitate computations. An elastic solution based on a variational approach is also developed for determining drilled shaft elastic deflection due to applied lateral loads in a two-layer soil layer system. The computational algorithm was coded in a Mathematical file for easy application. Finally, Briaud's method for deriving p-y curves of rock from pressuremeter or dilatometer test results is evaluated using available field test data. A modification to the Briaud's method is recommended for applications in rocks.
Author: Christopher Wayne Swan
Publisher:
ISBN:
Category : Piling (Civil engineering)
Languages : en
Pages : 208
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Book Description
This report presents the results of theoretical studies performed to understand and be able to predict better the response of "short" drilled shafts. A "short" drilled shaft has been defined as a shaft which undergoes less than two points of zero deflection when subjected to lateral loads. The first portion of this study was directed towards developing simplified procedures for estimating when a drilled shaft would respond as a "short" shaft, taking into account at least approximately the nonlinear response of the soil. The second portion of this study was directed toward improving the present procedure for predicting the response of "short" drilled shafts. Several modifications were made to existing procedures based on "p-y" curves to improve their ability to predict the response of short drilled shafts. These modifications were incorporated into a computer program with other modifications, which are presented in a companion project report
Author: Lymon C. Reese
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 246
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Book Description
Author: Sharon A. Naramore
Publisher:
ISBN:
Category : Boring
Languages : en
Pages : 202
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Book Description
