Analysis Of Laterally Loaded Long Or Intermediate Drilled Shafts Of Small Or Large Diameter In Layered Soils I E Soil

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Analysis Of Laterally Loaded Long Or Intermediate Drilled Shafts Of Small Or Large Diameter In Layered Soils I E Soil

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Author : Mohamed A. Ashour
language : en
Publisher:
Release Date : 2004

Analysis Of Laterally Loaded Long Or Intermediate Drilled Shafts Of Small Or Large Diameter In Layered Soils I E Soil written by Mohamed A. Ashour and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Lateral loads categories.

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

Analysis Of Laterally Loaded Long Or Intermediate Drilled Shafts Of Small Or Large Diameter In Layered Soil

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Author : Mohamed A. Ashour
language : en
Publisher:
Release Date : 2004

Analysis Of Laterally Loaded Long Or Intermediate Drilled Shafts Of Small Or Large Diameter In Layered Soil written by Mohamed A. Ashour and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with CD-ROMs categories.

Drilled Shaft Manual Structural Analysis And Design For Lateral Loading By

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Author : Lymon C. Reese
language : en
Publisher:
Release Date : 1977

Drilled Shaft Manual Structural Analysis And Design For Lateral Loading By written by Lymon C. Reese and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Shafts (Excavations) categories.

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.

Analysis Of Laterally Loaded Drilled Shafts In Rock

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Author : Ke Yang
language : en
Publisher:
Release Date : 2006

Analysis Of Laterally Loaded Drilled Shafts In Rock written by Ke Yang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Lateral loads categories.

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.

Evaluation And Development Of P Y Based Procedures For Analysis Of Short Drilled Shafts Subjected To Lateral Loads

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Author : Christopher Wayne Swan
language : en
Publisher:
Release Date : 1986

Evaluation And Development Of P Y Based Procedures For Analysis Of Short Drilled Shafts Subjected To Lateral Loads written by Christopher Wayne Swan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Piling (Civil engineering) categories.

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

Drilled Shaft Design And Construction Guidelines Manual Reese L C And Allen J D Structural Analysis And Design For Lateral Loading

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Author : Lymon C. Reese
language : en
Publisher:
Release Date : 1977

Drilled Shaft Design And Construction Guidelines Manual Reese L C And Allen J D Structural Analysis And Design For Lateral Loading written by Lymon C. Reese and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Bridges categories.

Lateral Load Test Of A Drilled Shaft In Clay

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Author : Vernon R. Kasch
language : en
Publisher:
Release Date : 1977

Lateral Load Test Of A Drilled Shaft In Clay written by Vernon R. Kasch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Clay categories.

Load Settlement Behavior Of Drilled Shafts In Multilayered Deposits Of Soils And Intermediate Geomaterials

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Author : Ramesh Chandra Gupta
language : en
Publisher:
Release Date : 2013

Load Settlement Behavior Of Drilled Shafts In Multilayered Deposits Of Soils And Intermediate Geomaterials written by Ramesh Chandra Gupta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Clay categories.

Using a hyperbolic model and curve-fitting techniques, curves of the nonlinear side resistance (fs) versus the ratio of shaft displacement to shaft diameter (?/d), measured in top-down static load tests on instrumented drilled shafts in multilayered deposits of soil and intermediate geomaterials (IGMs), have been analyzed to determine the values of shear modulus (G) and ultimate side friction (fsu). Values of G and fsu for each layer of soil and IGM so determined from load tests matched well with those determined from correlations. An iterative procedure based on hyperbolic curves of fs versus ?/d derived using values of G and fsu determined either from correlations or from load tests was used to compute or back-calculate top-down load-settlement curves. The load-settlement curves determined via this procedure matched well with those measured from the top-down load tests both when the tip bears above a cavity or very soft soils and when the tip is bearing in a firm and dense IGM. It was found that an accurate axial load distribution and settlement profile along the length of a shaft can be determined via this procedure.

Experimental Study Of Undrained Lateral And Moment Behavior Of Drilled Shafts During Static And Cyclic Loading

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Author : P. W. Mayne
language : en
Publisher:
Release Date : 1992

Experimental Study Of Undrained Lateral And Moment Behavior Of Drilled Shafts During Static And Cyclic Loading written by P. W. Mayne and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Electric lines categories.

Drilled Shafts

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Author : Michael W. O'Neill
language : en
Publisher:
Release Date : 1999

Drilled Shafts written by Michael W. O'Neill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Foundations categories.