Laboratory Investigation Of The Stiffness And Damping Properties Of Binary And Gap Graded Mixtures Of Granular Soils

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Laboratory Investigation of the Stiffness and Damping Properties of Binary and Gap-graded Mixtures of Granular Soils

Author : Boonam Shin
Publisher :
ISBN 13 :
Total Pages : 482 pages
Book Rating : 4.:/5 (19 download)

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Book Synopsis Laboratory Investigation of the Stiffness and Damping Properties of Binary and Gap-graded Mixtures of Granular Soils by : Boonam Shin

Download or read book Laboratory Investigation of the Stiffness and Damping Properties of Binary and Gap-graded Mixtures of Granular Soils written by Boonam Shin and published by . This book was released on 2018 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sandy and gravelly soils are encountered in many natural soil strata such as alluvial, fluvial, residual, and glacial deposits. These granular materials are used in the construction of many types of man-made geotechnical structures, fills, and ground improvements. A need exists to understand the dynamic behavior of these sandy and gravelly mixtures. A “binary packing model” has been proposed by some researchers to represent a simplified model for some sandy and gravelly soils that are composed of only a few, quite different, particle sizes (typically more than a factor of 20, and a factor of 34 used in this study) created during construction of geotechnical systems or in the natural environment. In other cases, gap-graded materials have been created. The packing condition and void distribution in the two types of gradations are complicated due to large variations in particle size and construction conditions. Up to now, no systematic studies have been conducted to evaluate key factors in the soil matrix (i.e., the parent materials in these mixtures) affecting the dynamic properties (i.e., shear modulus, G, and material damping ratio, D) of the binary and gap-graded mixtures considering the packing state of the matrix particles. In binary granular soils, estimating the critical packing condition, which represents the case when all void space between the large particles are completely filled with each group of small particles, is important. Additionally, the associated critical small-particle content (SPC*), which is the small-particle content (SPC) under the critical packing condition, can be calculated using the void ratios of the small-particle and large-particle materials. In this research, systematic variations of the parent materials in binary and gap-graded mixtures (i.e., the small and large particles in binary mixtures) were created, and the dynamic torsional resonant column (RC) testing was performed on a wide range of particle packing conditions. Some findings are: 1) the binary and gap-graded specimens for SPC ≥ 76% behaved very similarly to their parent poorly graded sand in both the small-strain and nonlinear dynamic properties; 2) the binary specimens for 15% ≤ SPC ≤ 100% showed a clear trend in the relationship of small-strain shear modulus at one atmosphere (A [subscript G]) and void ratio (e); 3) the binary specimens for 23% ≤ SPC ≤ 36%, which were in the range of SPC*, showed the highest stiffnesses and most nonlinearity; and 4) overall, the void ratio was a better parameter than the uniformity coefficient to estimate the nonlinear behavior of the specimens for 0% ≤ SPC ≤ 39%

Advanced Laboratory Stress-Strain Testing of Geomaterials

Author : R. Kuwano
Publisher : Routledge
ISBN 13 : 1351468588
Total Pages : 552 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Advanced Laboratory Stress-Strain Testing of Geomaterials by : R. Kuwano

Download or read book Advanced Laboratory Stress-Strain Testing of Geomaterials written by R. Kuwano and published by Routledge. This book was released on 2018-04-24 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: A discussion of developments in the measurement and interpretation of advanced laboratory stress-strain testing of geomaterials. It includes a collection of case studies which apply the test results and is based on the activities of the technical committee No 29 of the ISSMGE.

Advances in Laboratory Testing and Modelling of Soils and Shales (ATMSS)

Author : Alessio Ferrari
Publisher : Springer
ISBN 13 : 9783319849812
Total Pages : 527 pages
Book Rating : 4.8/5 (498 download)

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Book Synopsis Advances in Laboratory Testing and Modelling of Soils and Shales (ATMSS) by : Alessio Ferrari

Download or read book Advances in Laboratory Testing and Modelling of Soils and Shales (ATMSS) written by Alessio Ferrari and published by Springer. This book was released on 2018-07-13 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this spirit, the ATMSS International Workshop “Advances in Laboratory Testing & Modelling of Soils and Shales” (Villars-sur-Ollon, Switzerland; 18-20 January 2017) has been organized to promote the exchange of ideas, experience and state of the art among major experts active in the field of experimental testing and modelling of soils and shales. The Workshop has been organized under the auspices of the Technical Committees TC-101 “Laboratory Testing”, TC-106 “Unsaturated Soils” and TC-308 “Energy Geotechnics” of the International Society of Soil Mechanics and Geotechnical Engineering. This volume contains the invited keynote and feature lectures, as well as the papers that have been presented at the Workshop. The topics of the lectures and papers cover a wide range of theoretical and experimental research, including unsaturated behaviour of soils and shales, multiphysical testing of geomaterials, hydro–mechanical behaviour of shales and stiff clays, the geomechanical behaviour of the Opalinus Clay shale, advanced laboratory testing for site characterization and in–situ applications, and soil – structure interactions.

Resilient Modulus of Free-thaw Affected Granular Soils for Pavement Design and Evaluation - Part 3: Laboratory Tests on Soils from Albany County Airport

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Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (911 download)

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Book Synopsis Resilient Modulus of Free-thaw Affected Granular Soils for Pavement Design and Evaluation - Part 3: Laboratory Tests on Soils from Albany County Airport by :

Download or read book Resilient Modulus of Free-thaw Affected Granular Soils for Pavement Design and Evaluation - Part 3: Laboratory Tests on Soils from Albany County Airport written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Micromechanical Investigation of Soil Deformation

Author : Fernando Alonso-Marroquin
Publisher :
ISBN 13 : 9783832505608
Total Pages : 0 pages
Book Rating : 4.5/5 (56 download)

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Book Synopsis Micromechanical Investigation of Soil Deformation by : Fernando Alonso-Marroquin

Download or read book Micromechanical Investigation of Soil Deformation written by Fernando Alonso-Marroquin and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mechanical behavior of soils has been largely investigated using constitutive models. These are empirical relations based on laboratory tests of soil specimens. The investigation of soils at the grain scale using discrete element models has become possible in recent years. These models have provided valuable understanding of many micromechanical aspects of soil deformation. The aim of this work is to draw together these two approaches in the investigation of the plastic deformation of soils. A simple discrete element model has been used to evaluate the effect of anisotropy, force chains, and sliding contacts on different aspects of soil plasticity: dilatancy, failure, shear bands, ratcheting, etc. The discussion of these aspects raises two important questions: Is the incrementally nonlinear theory appropriate to describe the mechanical response of soils? And, does a purely elastic regime exist in the deformation of granular materials?

Resilient Modulus of Freeze - Thaw Affected Granular Soils for Pavement Design and Evaluation - Part 2: Field Validation Tests at Winchendon, Massachusetts, Test Sections

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Author : Cold Regions Research and Engineering Laboratory (U.S.)
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (18 download)

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Book Synopsis Resilient Modulus of Freeze - Thaw Affected Granular Soils for Pavement Design and Evaluation - Part 2: Field Validation Tests at Winchendon, Massachusetts, Test Sections by : Cold Regions Research and Engineering Laboratory (U.S.)

Download or read book Resilient Modulus of Freeze - Thaw Affected Granular Soils for Pavement Design and Evaluation - Part 2: Field Validation Tests at Winchendon, Massachusetts, Test Sections written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1986 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stress-deformation data for six granular soils ranging from sandy silt to dense-graded crushed stone were obtained from in-situ tests and laboratory test. Surface deflections were measured in the in-situ tests, with repeated-load plate-bearing and falling-weight deflectometer equipment, when the six granular soils were frozen, thawed, and at various stages of recovery from thaw weakening. The measured deflections were used to judge the validity of procedures developed for laboratory triaxial tests to determine nonlinear resilient moduli of specimens in the frozen, thawed, and recovering states. The validity of the nonlinear resilient moduli, expressed as functions of externally applied stress and moisture tension, was confirmed by using the expressions to calculate surface deflections that were found to compare well with deflections measured in the in-situ tests. The tests on specimens at various stages of recovery are especially significant because they show a strong dependence of the resilient modulus on moisture tension, leading to the conclusion that predictions or in-situ measurements of moisture tension can be used to evaluate expected seasonal variation in the resilient modulus of granular soils.

Soils and Waves

Author : J. Carlos Santamarina
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Soils and Waves by : J. Carlos Santamarina

Download or read book Soils and Waves written by J. Carlos Santamarina and published by . This book was released on 2001 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: J. Carlos Santamarina, Georgia Institute of Technology, USA in collaboration with Katherine A. Klein, University of Toronto, Canada; Moheb A. Fam, Cairo University, Egypt Soils are unique materials. Analogous to all other particulate materials, their properties depend on environmental parameters, such as confinement and fluid characteristics. While their behavior is complex, simple micromechanical analyses at the particle level provide unparalleled insight. Furthermore, elastic and electromagnetic waves can be effectively used to gain complementary information about the particulate medium, leading to unique possibilities for studies in engineering and science, including field applications for site assessment and process monitoring. This book is divided into five parts. The first part dwells on the problem of scale and includes a general introduction to materials. In the second part, the behavior of particulate materials is reviewed, with emphasis on the microscale interpretation of macroscale behavior. Fundamental differences between fine and coarse particulate materials are highlighted. The third and fourth parts center on the propagation of mechanical and electromagnetic waves in particulate materials, addressing phenomena such as stiffness, polarization and losses. These two units include laboratory techniques to measure the elastic and electromagnetic spectral response of particulate materials, and an extensive compilation of experimental data. Finally, the fifth part applies elastic and electromagnetic waves to monitoring process in soils. Emphasis is placed on clear, simple analyses and explanations of complex physical phenomena, making this book ideal for self-study. Furthermore, no other book provides such an in-depth description of soils and their behavior and the interaction of elastic and electromagnetic waves and particulate materials (including material data and experimental methods). Thus, this is an invaluable reference for postgraduates, research scientists and practitioners in geotechnical, civil and environmental engineering, as well as scientists in related areas such as physics, geophysics and materials science.

Geomechanics and Geotechnics

Author : Mingjing Jiang
Publisher :
ISBN 13 : 9780415612975
Total Pages : 0 pages
Book Rating : 4.6/5 (129 download)

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Book Synopsis Geomechanics and Geotechnics by : Mingjing Jiang

Download or read book Geomechanics and Geotechnics written by Mingjing Jiang and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils are composed of grains but they are generally treated as continua in the classical framework of geomechanics. Their macroscopic response under loading, such as their non-linearity, yielding and anisotropy, is controlled by their micro-structure, the characteristics of the grains and the disposition of contacts between them. There have been rapid advances in technology both to investigate the microscopic properties of soils, and to simulate their granular behaviour explicitly through Discrete Element Method (DEM). DEM was originally used to ...

Scour and Erosion

Author : John Harris
Publisher : CRC Press
ISBN 13 : 1315349418
Total Pages : 1727 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Scour and Erosion by : John Harris

Download or read book Scour and Erosion written by John Harris and published by CRC Press. This book was released on 2016-10-14 with total page 1727 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scour and Erosion includes four keynote lectures from world leading researchers cutting across the themes of scour and erosion, together with 132 peer-reviewed papers from 34 countries, covering the principal themes of: - internal erosion - sediment transport - grain scale to continuum scale - advanced numerical modelling of scour and erosion - terrestrial scour and erosion- river and estuarine erosion including scour around structures, and - management of scour/erosion and sediment, including hazard management and sedimentation in dams and reservoirs. Scour and Erosion is ideal for researchers and industry working at the forefront of scour and erosion, and has applications in both the freshwater and marine environments.

Tire Waste and Recycling

Author : Trevor Letcher
Publisher : Academic Press
ISBN 13 : 0128206861
Total Pages : 652 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Tire Waste and Recycling by : Trevor Letcher

Download or read book Tire Waste and Recycling written by Trevor Letcher and published by Academic Press. This book was released on 2021-03-25 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tire Waste and Recycling takes a methodical approach to the recycling of tires, providing a detailed understanding on how to manage, process, and turn waste tires into valuable materials and industrial applications. Sections cover fundamental aspects such as tire use, composition, trends, legislation, the current global situation, the possibilities for moving towards a circular economy, lifecycle options, treatment methods, and opportunities for re-use, recycling and recovery. Subsequent sections of the book focus on specific technologies that enable the utilization of waste tires in the development of high value materials and advanced applications. Finally, the future of tire recycling is considered. This is an essential resource for scientists, R&D professionals, engineers and manufacturers working in the tire, rubber, waste, recycling, automotive and aerospace industries. In academia, the book will be of interest to researchers and advanced scientists across rubber science, polymer science, materials engineering, environmental science, chemistry and chemical engineering. - Offers systematic coverage of tire recycling, covering composition, lifecycle, processing options, material developments and latest technologies - Explains end-of-life-options in detail, considering approaches and methods for reduction, re-use, recycling and recovery - Explores key application and product areas for recycled tire materials, from civil engineering, sports and leisure, to roads and transport, construction, automotive, and many more

Geotechnical Characterization and Modelling

Author : Madhavi Latha Gali
Publisher : Springer Nature
ISBN 13 : 9811560862
Total Pages : 1098 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Geotechnical Characterization and Modelling by : Madhavi Latha Gali

Download or read book Geotechnical Characterization and Modelling written by Madhavi Latha Gali and published by Springer Nature. This book was released on 2020-09-18 with total page 1098 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume comprises select papers presented during the Indian Geotechnical Conference 2018, discussing issues and challenges relating to the characterization of geomaterials, modelling approaches, and geotechnical engineering education. With a combination of field studies, laboratory experiments and modelling approaches, the chapters in this volume address some of the most widely investigated geotechnical engineering topics. This volume will be of interest to researchers and practitioners alike.

Drilled Shafts

Author : Michael W. O'Neill
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (44 download)

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Book Synopsis Drilled Shafts by : Michael W. O'Neill

Download or read book Drilled Shafts written by Michael W. O'Neill and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Behaviour of Granular Materials

Author : Bernard Cambou
Publisher : Springer
ISBN 13 : 370912526X
Total Pages : 403 pages
Book Rating : 4.7/5 (91 download)

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Book Synopsis Behaviour of Granular Materials by : Bernard Cambou

Download or read book Behaviour of Granular Materials written by Bernard Cambou and published by Springer. This book was released on 2014-05-04 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a complete and comprehensive analysis of the behaviour of granular materials including the description of experimental results, the different ways to define the global behaviour from local phenomena at the particle scale, the various modellings which can be used for a D.E.M. analysis to solve practical problems and finally the analysis of strain localisation. The concepts developed in this book are applicable to many kinds of granular materials considered in civil, mechanical or chemical engineering.

Coupled Site and Soil-Structure Interaction Effects with Application to Seismic Risk Mitigation

Author : Tom Schanz
Publisher : Springer Science & Business Media
ISBN 13 : 9048126975
Total Pages : 320 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Coupled Site and Soil-Structure Interaction Effects with Application to Seismic Risk Mitigation by : Tom Schanz

Download or read book Coupled Site and Soil-Structure Interaction Effects with Application to Seismic Risk Mitigation written by Tom Schanz and published by Springer Science & Business Media. This book was released on 2009-06-18 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Research Workshop on Coupled Site and Soil-Structure Interaction Effects with Application to Seismic Risk Mitigation Borovets, Bulgaria 30 August - 3 September 2008

Materials for Civil and Construction Engineers: Pearson New International Edition

Author : Michael S. Mamlouk
Publisher : Pearson Higher Ed
ISBN 13 : 1292038462
Total Pages : 619 pages
Book Rating : 4.2/5 (92 download)

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Book Synopsis Materials for Civil and Construction Engineers: Pearson New International Edition by : Michael S. Mamlouk

Download or read book Materials for Civil and Construction Engineers: Pearson New International Edition written by Michael S. Mamlouk and published by Pearson Higher Ed. This book was released on 2013-08-27 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: For courses in Civil Engineering Materials, Construction Materials, and Construction Methods and Materials offered in Civil, Environmental, or Construction engineering departments. This introduction gives students a basic understanding of the material selection process and the behavior of materials — a fundamental requirement for all civil and construction engineers performing design, construction, and maintenance. The authors cover the various materials used by civil and construction engineers in one useful reference, limiting the vast amount of information available to the introductory level, concentrating on current practices, and extracting information that is relevant to the general education of civil and construction engineers. A large number of experiments, figures, sample problems, test methods, and homework problems gives students opportunity for practice and review.

Engineering Properties of Foods

Author : M.A. Rao
Publisher : CRC Press
ISBN 13 : 1420028804
Total Pages : 762 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Engineering Properties of Foods by : M.A. Rao

Download or read book Engineering Properties of Foods written by M.A. Rao and published by CRC Press. This book was released on 2014-10-31 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ten years have passed since this reference's last edition - making Engineering Properties of Foods, Third Edition the must-have resource for those interested in food properties and their variations. Defined are food properties and the necessary theoretical background for each. Also evaluated is the usefulness of each property i

Advances in Computer Methods and Geomechanics

Author : Amit Prashant
Publisher : Springer Nature
ISBN 13 : 9811508860
Total Pages : 735 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Advances in Computer Methods and Geomechanics by : Amit Prashant

Download or read book Advances in Computer Methods and Geomechanics written by Amit Prashant and published by Springer Nature. This book was released on 2020-01-14 with total page 735 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents selected papers from IACMAG Symposium,The major themes covered in this conference are Earthquake Engineering, Ground Improvement and Constitutive Modelling. This volume will be of interest to researchers and practitioners in geotechnical and geomechanical engineering.