A Comparison of the Dynamic and Static Shear Strengths of Cohesionless, Cohesive and Combined Soils PDF Download
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Author: B. B. Schimming
Publisher:
ISBN:
Category : Shear strength of soils
Languages : en
Pages : 216
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Book Description
Author: B. B. Schimming
Publisher:
ISBN:
Category : Shear strength of soils
Languages : en
Pages : 216
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Book Description
Author: Jack K. Poplin
Publisher:
ISBN:
Category : Engineering models
Languages : en
Pages : 114
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Book Description
The investigation reported herein was undertaken to develop an approach to modeling displacements of surface and shallow-buried footings on dry sand subject to high-intensity, single-pulse loads. A hypothetical shallow-bured structure with an isolated footing loaded by airblast overpressure produced by detonation of a nuclear weapon was assumed for design of load pulses on nine model footings used: footing widths of 4.5, 6.0, and 7.5 in. and depth-of-burial to footing width ratios of 0, 0.5, and 1.0. The principles of similitude were used to scale length, force, and time in the models. The models were placed in mobile test bins of uniform, fine, dry sand (90 percent relative density) and subjected to dynamic and static loading. Nondimensional load-displacement relations dependent only on depth-of-burial ratio were developed relating maximum displacement to peak dynamic load, footing width, and soil shear strength gradient. When the dynamic response of the footings in the form of reaction-displacement curves was compared with static response, an increase in initial stiffness and ultimate strength was observed for dynamic loading. However, these dynamic increases were greatest when the static shear strength was lowest, i.e. footings on the surface, and were least for footings buried at a depth equal to its width where the static overburden produced a substantial increase in shear strength. (Author).
Author: Magued Iskander
Publisher: Elsevier
ISBN: 0128011556
Category : Science
Languages : en
Pages : 473
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Book Description
Rapid Penetration into Granular Media: Visualizing the Fundamental Physics of Rapid Penetration introduces readers to the variety of methods developed to visualize, observe, and model the rapid penetration of natural and man-made projectiles into earth materials while providing seasoned practitioners with a standard reference that showcases the topic's most recent developments in research and application. There has been a flurry of recently funded research both in the U.S. and Europe on studying the behavior of projectiles in granular media. This book compiles the findings of recent research on the subject and outlines the fundamental physics of rapid earth penetration, and assembles a comprehensive collection of experimental and numerical techniques to study the problem. - Presents a comprehensive interdisciplinary review of the latest research developments in the response of granular media to impact and impulsive loading - Combines the experience of prominent researchers from different disciplines focusing on the challenges presented by impact loading of granular media - Introduces recently developed methods for visualizing the fundamental physics of rapid penetration into granular media
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 780
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
Author: Water Pollution Control Federation
Publisher:
ISBN:
Category : Sewage
Languages : en
Pages : 1494
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Book Description
Author: Purdue University. Department of Engineering Extension
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 600
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Book Description
Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 512
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 172
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Book Description
Author: Amir M. Kaynia
Publisher: CRC Press
ISBN: 1000398560
Category : Technology & Engineering
Languages : en
Pages : 366
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Book Description
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.
