Modeling of Strain Rate Effects on Clay in Simple Shear

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (811 download)

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Book Synopsis Modeling of Strain Rate Effects on Clay in Simple Shear by : Byoung Chan Jung

Download or read book Modeling of Strain Rate Effects on Clay in Simple Shear written by Byoung Chan Jung and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research is the development of a new constitutive model to describe the behavior of cohesive soils under time dependent loading. In the work presented here, the modified SIMPLE DSS model is expanded to account for the effects of strain rate on clays in simple shear conditions. The response of clay soils is highly dependent on the rate of strain for both effective stress path and stress-strain behavior. The undrained shear strength is strongly influenced by strain rate both in monotonic and cyclic simple shear tests. Nevertheless, the few available experimental results cover a very limited range of loading conditions and rates. The existing literature established that the soil response display a unique relationship between shear strength and log scale of strain rate. To include the effects of strain rate, the modified simple effective stress model starts with two assumptions: (1) a specific shear strength corresponds to a specific strain rate in a unique relation; and (2) the effect of strain rate does not change the failure envelope. The proposed model is developed from the original SIMPLE DSS model, based on an effective stress formulation in a reduced stress space, and utilizing concepts related to the framework of bounding surface plasticity. The proposed model evaluation was carried out comparing model simulations with results of simple shear tests on Boston Blue Clay and San Francisco Young Bay Mud. The model capability is useful especially in strain rate dependent responses for both monotonic and cyclic behavior, including irregular loading and step-changed condition. It was found that undrained shear strength in simple shear is directly related to strain rate effects and the responses in cyclic test show the more rate dependent behavior than those in monotonic test. The proposed model is able to predict the increase in undrained shear strength for higher strain rate.

Strain Rate Effects on Shear Modulus and Damping of Normally Consolidated Clay

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ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Strain Rate Effects on Shear Modulus and Damping of Normally Consolidated Clay by : S. Shibuya

Download or read book Strain Rate Effects on Shear Modulus and Damping of Normally Consolidated Clay written by S. Shibuya and published by . This book was released on 1995 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: A laboratory investigation into the effects of shear strain rate on shear modulus and hysteretic damping of normally consolidated clays was carried out. The effects of shear strain rate were examined at cyclic shear strain amplitudes between 10-6 and 10-3 in undrained cyclic torsion shear tests. When the frequency of loading was changed between 0.005 and 0.1 Hz, the equivalent shear modulus was insensitive to the rate of shear straining. On the other hand, the hysteretic damping increased according to the decrease in the shear strain rate. Furthermore, for shear strains less than about 2 × 10-5, the maximum stiffness was hardly influenced by the shear strain rate, type of loading, number of cycles, and the cyclic prestraining; it can therefore be characterized as pseudoelastic shear modulus. On the basis of the test results, it is concluded that when applying the results of laboratory cyclic loading tests to the analysis of in situ cyclic loading problems, the effects of shear strain rate on hysteretic damping should be properly evaluated to match the frequency of loading expected in the field.

Experiments and Modeling of High Strain Rate Effects in Sands and Clays

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ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (455 download)

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Book Synopsis Experiments and Modeling of High Strain Rate Effects in Sands and Clays by :

Download or read book Experiments and Modeling of High Strain Rate Effects in Sands and Clays written by and published by . This book was released on 1999 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of the proposed research program are to obtain experimental stress-strain data over a range of confining pressures and loading velocities, and to develop and verify a comprehensive time dependent model for soils base on the results of the experimental phase. This model will capture time effects, such as loading rate effects, creep, and relaxation, as well as any combination of these, which are all required for realistic modeling of projectile penetration into soils. Testing will be conducted under both drained and undrained boundary conditions to simulate in-situ conditions where soil is located above and below the ground water table. Testing will also be conducted on both sands and clays to fully explore cohesionless and cohesive soil types. The experimental program will consist of four separate programs that will be performed at different confining pressures and loading velocities. The four different programs are associated with different types of experimental equipment, some at different geographical locations.

Unsaturated Soil Mechanics

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Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 614 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Unsaturated Soil Mechanics by : Ning Lu

Download or read book Unsaturated Soil Mechanics written by Ning Lu and published by John Wiley & Sons. This book was released on 2004-05-20 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unsaturated Soil Mechanics is the first book to provide a comprehensive introduction to the fundamental principles of unsaturated soil mechanics. * Offers extensive sample problems with an accompanying solutions manual. * Brings together the rapid advances in research in unsaturated soil mechanics in one focused volume. * Covers advances in effective stress and suction and hydraulic conductivity measurement.

Numerical Models in Geomechanics

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Publisher : CRC Press
ISBN 13 : 1439833796
Total Pages : 728 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Numerical Models in Geomechanics by : G.N. Pande

Download or read book Numerical Models in Geomechanics written by G.N. Pande and published by CRC Press. This book was released on 2002-01-01 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers in this volume reflect the current research and advances made in the application of numerical methods in geotechnical engineering. Topics include: instabilities in soil behaviour; environmental geomechanics; and hydro-mechanical coupling in problems of engineering.

Modeling the Rate Dependent Dynamic Response of Submarine Soft Clay Deposits

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ISBN 13 :
Total Pages : 890 pages
Book Rating : 4.:/5 (35 download)

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Book Synopsis Modeling the Rate Dependent Dynamic Response of Submarine Soft Clay Deposits by : Tawat Anantanavanich

Download or read book Modeling the Rate Dependent Dynamic Response of Submarine Soft Clay Deposits written by Tawat Anantanavanich and published by . This book was released on 2006 with total page 890 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Elastic-viscoplastic Modeling of Rate Dependent Behavior of Clays

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ISBN 13 :
Total Pages : 576 pages
Book Rating : 4.:/5 (48 download)

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Book Synopsis Elastic-viscoplastic Modeling of Rate Dependent Behavior of Clays by : Namasivayam Sathialingam

Download or read book Elastic-viscoplastic Modeling of Rate Dependent Behavior of Clays written by Namasivayam Sathialingam and published by . This book was released on 1991 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Strain Rate Effect on Clay Soil Strength

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ISBN 13 :
Total Pages : 346 pages
Book Rating : 4.:/5 (359 download)

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Book Synopsis Strain Rate Effect on Clay Soil Strength by : Raymond Nen Yong

Download or read book Strain Rate Effect on Clay Soil Strength written by Raymond Nen Yong and published by . This book was released on 1964 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Measuring and Modeling Time Dependent Soil Behavior

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ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Measuring and Modeling Time Dependent Soil Behavior by : Thomas C. Sheahan

Download or read book Measuring and Modeling Time Dependent Soil Behavior written by Thomas C. Sheahan and published by . This book was released on 1996 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of time on the strength and deformation characteristics of various materials can assume importance in a variety of engineering problems. The time dependent mechanical behavior of soil is highly complex and can impact a broad range of applications such as in situ testing, seismic response, landslides, and embankment performance. This volume provides an update on the state of research and practice in the area of soil time effects. Emphasis is placed on laboratory and field developments, modeling time dependent behavior, rate dependence in a variety of soils, from subtropical soils to subglacial till, and on new applications such as soils reinforced with geosynthetics and inclusion dowels. Models are provided that include the influence of soil structure.

Constitutive Modeling of Soils and Rocks

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Publisher : John Wiley & Sons
ISBN 13 : 1118621492
Total Pages : 340 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Constitutive Modeling of Soils and Rocks by : Pierre-Yves Hicher

Download or read book Constitutive Modeling of Soils and Rocks written by Pierre-Yves Hicher and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title provides a comprehensive overview of elastoplasticity relating to soil and rocks. Following a general outline of the models of behavior and their internal structure, each chapter develops a different area of this subject relating to the author's particular expertise. The first half of the book concentrates on the elastoplasticity of soft soils and rocks, while the second half examines that of hard soils and rocks.

Research on the Time Dependent Deformation Under Shear Stress of Clay Soils

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ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.X/5 (1 download)

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Book Synopsis Research on the Time Dependent Deformation Under Shear Stress of Clay Soils by : Manrique Lara-Tomás

Download or read book Research on the Time Dependent Deformation Under Shear Stress of Clay Soils written by Manrique Lara-Tomás and published by . This book was released on 1961 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamic Geotechnical Testing II

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Publisher : ASTM International
ISBN 13 : 0803118775
Total Pages : 433 pages
Book Rating : 4.8/5 (31 download)

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Book Synopsis Dynamic Geotechnical Testing II by : Ronald J. Ebelhar

Download or read book Dynamic Geotechnical Testing II written by Ronald J. Ebelhar and published by ASTM International. This book was released on 1994 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computer Methods and Advances in Geomechanics

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Publisher : Taylor & Francis US
ISBN 13 : 9789058091857
Total Pages : 1008 pages
Book Rating : 4.0/5 (918 download)

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Book Synopsis Computer Methods and Advances in Geomechanics by : Chandra S. Desai

Download or read book Computer Methods and Advances in Geomechanics written by Chandra S. Desai and published by Taylor & Francis US. This book was released on 1991 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Deformation Characteristics of Geomaterials

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Publisher : IOS Press
ISBN 13 : 1607508222
Total Pages : 1382 pages
Book Rating : 4.6/5 (75 download)

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Book Synopsis Deformation Characteristics of Geomaterials by : C.-K. Chung

Download or read book Deformation Characteristics of Geomaterials written by C.-K. Chung and published by IOS Press. This book was released on 2011 with total page 1382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the international edition of the proceedings of IS-Seoul 2011, the Fifth International Symposium on Deformation Characteristics of Geomaterials, held in Seoul, South Korea, in September 2011.The book includes 7 invited lectures, as well as 158 technical papers selected from the 182 submitted. The symposium explored ideas about the complex load-deformation response in geomaterials, including laboratory methods for small and large strains; anisotropy and localization; time-dependent responses in soils; characteristics of treated, unsaturated, and natural geomaterials; applications in field methods; evaluation of field performance in geotechnical structures; and physical and numerical modeling in geomechanics. These topics were grouped under a number of main themes, including experimental investigations from very small strains to beyond failure; behavior, characterization and modeling of various geomaterials; and practical prediction and interpretation of ground response: field observation and case histories. Both the symposium and this book represent an important contribution to the exchange of advanced knowledge and ideas in geotechnical engineering and promote partnership among participants worldwide.

Dynamic Behavior of Materials, Volume 1

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Publisher : Springer
ISBN 13 : 3319411322
Total Pages : 285 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Dynamic Behavior of Materials, Volume 1 by : Dan Casem

Download or read book Dynamic Behavior of Materials, Volume 1 written by Dan Casem and published by Springer. This book was released on 2016-10-14 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic Behavior of Materials, Volume 1 of the Proceedings of the 2016 SEM Annual Conference& Exposition on Experimental and Applied Mechanics, the first volume of ten from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Experimental Mechanics, including papers on: Quantitative Visualization Fracture & Fragmentation Dynamic Behavior of Low Impedance Materials Shock & Blast Dynamic Behavior of Composites Novel Testing Techniques Hybrid Experimental & Computational Methods Dynamic Behavior of Geo-materials General Material Behavior

Installation Effects in Geotechnical Engineering

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Publisher : CRC Press
ISBN 13 : 0203746546
Total Pages : 74 pages
Book Rating : 4.2/5 (37 download)

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Book Synopsis Installation Effects in Geotechnical Engineering by : Michael A. Hicks

Download or read book Installation Effects in Geotechnical Engineering written by Michael A. Hicks and published by CRC Press. This book was released on 2013-03-05 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Installation effects in geotechnical engineering contains the proceedings of the International Conference on Installation Effects in Geotechnical Engineering (Rotterdam, The Netherlands, 24-27 March 2013), the closing conference of GEO-INSTALL (FP7/2007-2013, PIAG-GA-2009-230638), an Industry-Academia Pathways and Partnerships project funded by the

Frontiers in Offshore Geotechnics

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Publisher : CRC Press
ISBN 13 : 0415889340
Total Pages : 1130 pages
Book Rating : 4.4/5 (158 download)

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Book Synopsis Frontiers in Offshore Geotechnics by : Susan Gourvenec

Download or read book Frontiers in Offshore Geotechnics written by Susan Gourvenec and published by CRC Press. This book was released on 2005-10-13 with total page 1130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses current and emerging challenges facing those working in offshore construction, design and research. Keynote papers from leading industry practitioners and academics provide a comprehensive overview of central topics covering deepwater anchoring, pipelines, foundation solutions for offshore wind turbines, site investigation, geoh