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Author : Yoshihiko Kawano
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.:/5 (163 download)
Download or read book Compaction Tests as a Means of Soil Structure Evaluation written by Yoshihiko Kawano and published by . This book was released on 1958 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael C. Amacher
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (319 download)
Download or read book Assessing Soil Compaction on Forest Inventory & Analysis Phase 3 Field Plots Using a Pocket Penetrometer written by Michael C. Amacher and published by . This book was released on 2004 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil compaction is an important indicator of soil quality, yet few practical methods are available to quantitatively measure this variable. Although an assessment of the areal extent of soil compaction is included as part of the soil indicator portion of the Forest Inventory & Analysis (FIA) program, no quantitative measurement of the degree of soil compaction is made. We tested a small, lightweight pocket penetrometer that measures soil compression strength as a simple, quantitative measure of the degree of compaction of mineral soils under forested conditions. Soil compression strengths were significantly higher in compacted trails and areas than in adjacent undisturbed locations. In contrast, no significant difference in soil compression strength was found between rutted trails and adjacent undisturbed areas. A protocol is suggested for further pilot testing of this device as part of the soil indicator assessment. The main disadvantage of this device is that many of the compacted soils had compression strengths higher than the maximum measurable value of 4.5 tons/ft2. Despite this limitation, this device can rapidly and easily distinguish between compacted and uncompacted areas in the field. Time previously spent by field crews trying to identify qualitative evidences of compaction can instead be used to provide a quantitative measure of the degree of compaction, which would strengthen the analysis and interpretation of the soil quality indicator.
Author : Frank C. Townsend
Publisher : ASTM International
ISBN 13 : 0803104464
Total Pages : 755 pages
Book Rating : 4.8/5 (31 download)
Download or read book Consolidation of Soils written by Frank C. Townsend and published by ASTM International. This book was released on 1986 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Phung Duc Long
Publisher : Springer Nature
ISBN 13 : 9811521840
Total Pages : 1417 pages
Book Rating : 4.8/5 (115 download)
Download or read book Geotechnics for Sustainable Infrastructure Development written by Phung Duc Long and published by Springer Nature. This book was released on 2019-11-28 with total page 1417 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents 09 keynote and invited lectures and 177 technical papers from the 4th International Conference on Geotechnics for Sustainable Infrastructure Development, held on 28-29 Nov 2019 in Hanoi, Vietnam. The papers come from 35 countries of the five different continents, and are grouped in six conference themes: 1) Deep Foundations; 2) Tunnelling and Underground Spaces; 3) Ground Improvement; 4) Landslide and Erosion; 5) Geotechnical Modelling and Monitoring; and 6) Coastal Foundation Engineering. The keynote lectures are devoted by Prof. Harry Poulos (Australia), Prof. Adam Bezuijen (Belgium), Prof. Delwyn Fredlund (Canada), Prof. Lidija Zdravkovic (UK), Prof. Masaki Kitazume (Japan), and Prof. Mark Randolph (Australia). Four invited lectures are given by Prof. Charles Ng, ISSMGE President, Prof.Eun Chul Shin, ISSMGE Vice-President for Asia, Prof. Norikazu Shimizu (Japan), and Dr.Kenji Mori (Japan).
Author : Bruce C. Ball
Publisher : CABI
ISBN 13 : 1780644701
Total Pages : 174 pages
Book Rating : 4.7/5 (86 download)
Download or read book Visual Soil Evaluation written by Bruce C. Ball and published by CABI. This book was released on 2015-10-23 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visual Soil Evaluation (VSE) provides land users and environmental authorities with the tools to assess soil quality for crop performance. This book describes the assessment of the various structural conditions of soil, especially after quality degradation such as compaction, erosion or organic matter loss. Covering a broad range of land types from abandoned peats to prime arable land, this useful handbook assesses yield potential across a range of scales. It also appraises the use of VSE in determining the potential of different land types for carbon storage, greenhouse gas emissions and nutrient leaching, and for diagnosing and rectifying erosion and compaction in soils.
Author : Manuel Matos Fernandes
Publisher : CRC Press
ISBN 13 : 0429676158
Total Pages : 674 pages
Book Rating : 4.4/5 (296 download)
Download or read book Analysis and Design of Geotechnical Structures written by Manuel Matos Fernandes and published by CRC Press. This book was released on 2020-08-27 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis and design of geotechnical structures combines, in a single endeavor, a textbook to assist students in understanding the behavior of the main geotechnical works and a guide for practising geotechnical engineers, designers, and consultants. The subjects are treated in line with limit state design, which underpins the Eurocodes and most North America design codes. Instructors and students will value innovative approaches to numerous issues refined by the experience of the author in teaching generations of enthusiastic students. Professionals will gain from its comprehensive treatment of the topics covered in each chapter, supplemented by a plethora of informative material used by consultants and designers. For the benefit of both academics and professionals, conceptual exercises and practical geotechnical design problems are proposed at the end of most chapters. A final annex includes detailed resolutions of the exercises and problems.
Author : Vincent P. Drnevich
Publisher : Purdue University Press
ISBN 13 : 9781622601202
Total Pages : 194 pages
Book Rating : 4.6/5 (12 download)
Download or read book A Study of Effective Soil Compaction Control of Granular Soils written by Vincent P. Drnevich and published by Purdue University Press. This book was released on 2007-05-01 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although it is known that impact compaction tests are not appropriate for granular soils, these tests continue to be widely used. Excessive settlements frequently occur in granular soils where specified field compaction is based on Standard Proctor (ASTM D 698; AASHTO T 99) maximum dry unit weights. A laboratory test program evaluated alternative test methods for granular soil compaction control and showed that a Vibrating Hammer method (similar to British Standard BS 1377:1975, Test 14) has great promise for laboratory compaction of these soils.
Author : Pam Hazelton
Publisher : CSIRO PUBLISHING
ISBN 13 : 1486303986
Total Pages : 169 pages
Book Rating : 4.4/5 (863 download)
Download or read book Interpreting Soil Test Results written by Pam Hazelton and published by CSIRO PUBLISHING. This book was released on 2016-11-01 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interpreting Soil Test Results is a practical reference enabling soil scientists, environmental scientists, environmental engineers, land holders and others involved in land management to better understand a range of soil test methods and interpret the results of these tests. It also contains a comprehensive description of the soil properties relevant to many environmental and natural land resource issues and investigations. This new edition has an additional chapter on soil organic carbon store estimation and an extension of the chapter on soil contamination. It also includes sampling guidelines for landscape design and a section on trace elements. The book updates and expands sections covering acid sulfate soil, procedures for sampling soils, levels of nutrients present in farm products, soil sodicity, salinity and rainfall erosivity. It includes updated interpretations for phosphorus in soils, soil pH and the cation exchange capacity of soils. Interpreting Soil Test Results is ideal reading for students of soil science and environmental science and environmental engineering; professional soil scientists, environmental scientists, engineers and consultants; and local government agencies and as a reference by solicitors and barristers for land and environment cases.
Author :
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (89 download)
Download or read book Soil Quality Test Kit Guide written by and published by . This book was released on 1998 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. J. Murray
Publisher : John Wiley & Sons
ISBN 13 : 9781444325041
Total Pages : 320 pages
Book Rating : 4.3/5 (25 download)
Download or read book Unsaturated Soils written by E. J. Murray and published by John Wiley & Sons. This book was released on 2010-06-17 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: An understanding of the mechanical properties of unsaturated soilsis crucial for geotechnical engineers worldwide, as well as tothose concerned with the interaction of structures with the ground.This book deals principally with fine-grained clays and silts, orsoils containing coarser sand and gravel particles but with asignificant percentage of fines. The study of unsaturated soil is a practical subject, linkingfundamental science to nature. Soils in general are inherentlyvariable and their behaviour is not easy to analyse or predict, andunsaturated soils raise the complexity to a higher level. Evenamongst practicing engineers, there is often lack of awareness ofthe intricacies of the subject. This book offers a perspective ofunsaturated soils based on recent research and demonstrates howthis dovetails with the general discipline of soil mechanics. Following an introduction to the basic soil variables, thephases, the phase interactions and the relevance of soil structure,an up-to-date review of laboratory testing techniques is presented.This includes suction measurement and control techniques intriaxial cell testing. This is followed by an introduction tostress state variables, critical state and theoretical models inunsaturated soils. A detailed description of the thermodynamic principles asapplied to multi-phase materials under equilibrium conditionsfollows. These principles are then used to explore and develop afundamental theoretical basis for analysing unsaturated soils. Soilstructure is broken down into its component parts to developequations describing the dual stress regime. The critical statestrength and compression characteristics of unsaturated soils areexamined and it is shown how the behaviour may be viewed as athree-dimensional model in dimensionless stress-volume space. Theanalysis is then extended to the work input into unsaturated soilsand the development of conjugate stress, volumetric andstrain-increment variables. These are used to examine themicromechanical behaviour of kaolin specimens subjected to triaxialshear strength tests and lead to observations not detectable byother means. Unsaturated Soils: A fundamental interpretation of soilbehaviour covers a rapidly advancing area of study, researchand engineering practice and offers a deeper appreciation of thekey characteristics of unsaturated soil. It provides students andresearchers with a framework for understanding soil behaviour anddemonstrates how to interpret experimental strength and compressiondata. provides engineers with a deeper appreciation of keycharacteristics of unsaturated soils covers a rapidly advancing area of study, research andengineering practice provides students and researchers a framework for understandingsoil behaviour shows how to interpret experimental data on strength andcompression the limited number of books on the subject are all out ofdate
Author :
Publisher :
ISBN 13 :
Total Pages : 1026 pages
Book Rating : 4.E/5 ( download)
Download or read book Abstracts of Recent Published Material on Soil and Water Conservation written by and published by . This book was released on 1961 with total page 1026 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstracts for Dec. 1954- issued in the Agricultural Research Service's series ARS-41.
Author : P. Schjønning
Publisher : CABI
ISBN 13 : 9780851998503
Total Pages : 356 pages
Book Rating : 4.9/5 (985 download)
Download or read book Managing Soil Quality written by P. Schjønning and published by CABI. This book was released on 2004 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: In-depth treatments of the soil quality concept, its history, and its applicability in research and in developed and developing societiesAll 18 chapters are written by well-established experts from Europe, North America and AustraliaSoil quality is a concept that allows soil functions to be related to specific purposes. Managing soil quality takes a management oriented approach by identifying key issues in soil quality and management options to enhance the sustainability of modern agriculture. Topics covered include major plant nutrients (N, P, K), soil acidity, soil organic matter, soil biodiversity, soil compaction, erosion, pesticides and urban waste.
Author : FL. Roberts
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (125 download)
Download or read book An Evaluation of a Proposed Test Method for Determining the Maximum Dry Density of Dense Graded Aggregate written by FL. Roberts and published by . This book was released on 1976 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique compaction test method similar to ASTM Test for Moisture-Density Relations of Soils, Using 10-lb (4.5-kg) Rammer and 18-in. (457-mm) Drop (D 1557-70) was developed and evaluated in the course of a National Cooperative Highway Research Program study of density standards for field compaction of granular base and subbases conducted at Clemson University. The new test method, called the Marshall Hammer Compaction Test, utilizes a standard 1/30 ft3 (944.64 cm3) mold as specified in ASTM Test D 1557-70, Method C, but the 10-lb (4.53-kg) Marshall hammer is substituted for the 10-lb (4.53-kg) Proctor hammer. Also, forty blows for each of the five layers are used to provide a total compaction effort of 90 000 ft-lbs/ft3 (4362.6 kN.m/m3) for the new test.
Author : Wenceslau Geraldes Teixeira
Publisher : Springer
ISBN 13 : 3319060139
Total Pages : 508 pages
Book Rating : 4.3/5 (19 download)
Download or read book Application of Soil Physics in Environmental Analyses written by Wenceslau Geraldes Teixeira and published by Springer. This book was released on 2014-06-30 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance to preserve soil and water have is increasingly recognized. Agricultural practices and ecological trends both affect and are affected by soil physical properties. The more frequency of natural disasters, as landslides and thunderstorms addresses the importance to integrate soil characteristics in predictive models. Soil physics research has grown considerably specially in the use of innovative sensors, soil databases, and modeling techniques have been introduced into soil water relationship and environmental monitoring. Those advances are thoroughly dispersed in articles and conference proceedings In this volume, the authors will bring together the effectiveness of many new field and lab sensors and examine the current state-of-the-art in modeling and data analysis. It also includes innovative approaches and case studies in tropical soils. Future directions in soil physics research are given by key researchers in this discipline.
Author :
Publisher :
ISBN 13 :
Total Pages : 1464 pages
Book Rating : 4.3/5 (121 download)
Download or read book Water Resources Research Catalog written by and published by . This book was released on 1966 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Road Federation
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.E/5 ( download)
Download or read book An Interim Report Covering a 17-country Inventory written by International Road Federation and published by . This book was released on 1966 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Klaus Reichardt
Publisher : Springer
ISBN 13 : 3030193225
Total Pages : 456 pages
Book Rating : 4.0/5 (31 download)
Download or read book Soil, Plant and Atmosphere written by Klaus Reichardt and published by Springer. This book was released on 2019-08-16 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook presents the concepts and processes involved in the soil-plant-atmosphere system as well as its applications in the water cycle in agriculture. Although reaching the frontier of our knowledge in several subjects, each chapter starts at the graduation level and proceeds to the post-doctoral level. Its more complicated subjects, as math and physics, are well explained, even to readers not well acquainted with these tools. Therefore, it helps students read, understand, and developing their thoughts on these subjects. Instructors also find it an easy book with the needed depth to be adopted in courses related to Soil Physics, Agricultural Management, Environmental Protection, Irrigation and Agrometeorology. It serves also as “lexicon” to engineers and lawyers involved in agricultural, environmental cases.
