Evaluation and Development of P-y Based Procedures for Analysis of "short" Drilled Shafts Subjected to Lateral Loads PDF Download
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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: 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: Michael W. O'Neill
Publisher:
ISBN:
Category : Foundations
Languages : en
Pages :
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Book Description
Author: Dipanjan Basu
Publisher: Purdue University Press
ISBN: 9781622601264
Category : Transportation
Languages : en
Pages : 152
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Book Description
This report focuses on the development of a new method of analysis of laterally loaded piles embedded in a multi-layered soil deposit treated as a three-dimensional continuum. Assuming that soil behaves as a linear elastic material, the governing differential equations for the deflection of laterally loaded piles were obtained using energy principles and calculus of variations. The differential equations were solved using both the method of initial parameters and numerical techniques. Soil resistance, pile deflection, slope of the deflected pile, bending moment and shear force can be easily obtained at any depth along the entire pile length. The results of the analysis were in very good agreement with three-dimensional finite element analysis results. The analysis was further extended to account for soil nonlinearity. A few simple constitutive relationships that allow for modulus degradation with increasing strain were incorporated into the analysis. The interaction of piles in groups was also studied.
Author: Lymon C. Reese
Publisher: John Wiley & Sons
ISBN: 0471431591
Category : Technology & Engineering
Languages : en
Pages : 608
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Book Description
One-of-a-kind coverage on the fundamentals of foundation analysis and design Analysis and Design of Shallow and Deep Foundations is a significant new resource to the engineering principles used in the analysis and design of both shallow and deep, load-bearing foundations for a variety of building and structural types. Its unique presentation focuses on new developments in computer-aided analysis and soil-structure interaction, including foundations as deformable bodies. Written by the world's leading foundation engineers, Analysis and Design of Shallow and Deep Foundations covers everything from soil investigations and loading analysis to major types of foundations and construction methods. It also features: * Coverage on computer-assisted analytical methods, balanced with standard methods such as site visits and the role of engineering geology * Methods for computing the capacity and settlement of both shallow and deep foundations * Field-testing methods and sample case studies, including projects where foundations have failed, supported with analyses of the failure * CD-ROM containing demonstration versions of analytical geotechnical software from Ensoft, Inc. tailored for use by students in the classroom
Author: Michael Shaw Rosenbaum
Publisher: Springer Science & Business Media
ISBN: 3540437762
Category : Science
Languages : en
Pages : 418
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Book Description
Characterisation of the shallow subsurface provides civil, geotechnical and environmental applications with precise definitions of geomechanical and geohydrological properties. Over the past decade, the rapid pace of technological innovation has outstripped the ability of many researchers and potential users to evaluate and adopt promising new characterisation methods. Modern information technologies and information management concepts provide the basis of new paradigms and applications. This book defines future research needs for geological modelling and ground characterisation, including better dialogue between data provides and users and faster, better and less expensive methods for the creation and dissemination of subsurface characterisations.
Author: John P. Turner
Publisher: Transportation Research Board
ISBN: 0309097681
Category : Bridges
Languages : en
Pages : 145
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Book Description
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 360: Rock-Socketed Shafts for Highway Structure Foundations explores current practices pertaining to each step of the design process, along with the limitations; identifies emerging and promising technologies; examines the principal challenges in advancing the state of the practice; and investigates future developments and potential improvements in the use and design of rock-socketed shafts.
Author: Lymon C. Reese
Publisher:
ISBN:
Category : Bridges, Pile
Languages : en
Pages : 360
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Book Description
This Handbook is specifically designed as a guide to highway engineers. It was used as a textbook for the FHWA training courses on the above title. Several methods of analysis and design of piles under lateral loading are in use. Two methods are presented: the method of Broms, and the method where nonlinear soil-response curves, p-y curves, are employed. The latter method is given prominence because of its versatility. A computer program is presented for solving the equations giving pile deflection, rotation, bending moment, and shear. An iterative procedure is employed internally in the computer program because of the nonlinear response of the soil. Nondimensional curves are presented that can be used for "hand" solution of the differential equation.
Author: Magued Iskander
Publisher:
ISBN: 9780784410219
Category : Electronic books
Languages : en
Pages : 0
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Book Description
GSP 185 contains 80 papers presented at the International Foundation Congress and Equipment Expo held in Orlando, Florida, March 15-19, 2009.
Author: National Academies of Sciences, Engineering, and Medicine
Publisher:
ISBN: 9780309440271
Category :
Languages : en
Pages : 350
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Book Description
Earthquake-induced soil liquefaction (liquefaction) is a leading cause of earthquake damage worldwide. Liquefaction is often described in the literature as the phenomena of seismic generation of excess porewater pressures and consequent softening of granular soils. Many regions in the United States have been witness to liquefaction and its consequences, not just those in the west that people associate with earthquake hazards. Past damage and destruction caused by liquefaction underline the importance of accurate assessments of where liquefaction is likely and of what the consequences of liquefaction may be. Such assessments are needed to protect life and safety and to mitigate economic, environmental, and societal impacts of liquefaction in a cost-effective manner. Assessment methods exist, but methods to assess the potential for liquefaction triggering are more mature than are those to predict liquefaction consequences, and the earthquake engineering community wrestles with the differences among the various assessment methods for both liquefaction triggering and consequences. State of the Art and Practice in the Assessment of Earthquake-Induced Soil Liquefaction and Its Consequences evaluates these various methods, focusing on those developed within the past 20 years, and recommends strategies to minimize uncertainties in the short term and to develop improved methods to assess liquefaction and its consequences in the long term. This report represents a first attempt within the geotechnical earthquake engineering community to consider, in such a manner, the various methods to assess liquefaction consequences.
Author: Lymon C. Reese
Publisher: CRC Press
ISBN: 1439894302
Category : Technology & Engineering
Languages : en
Pages : 529
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Book Description
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
