[PDF] Full Scale Load Testing Of 75 90 M Long Post Grouted Drilled Shafts In Suzhou Stiff Clay - eBooks Review

Full Scale Load Testing Of 75 90 M Long Post Grouted Drilled Shafts In Suzhou Stiff Clay


Full Scale Load Testing Of 75 90 M Long Post Grouted Drilled Shafts In Suzhou Stiff Clay
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Full Scale Load Testing Of 75 90 M Long Post Grouted Drilled Shafts In Suzhou Stiff Clay


Full Scale Load Testing Of 75 90 M Long Post Grouted Drilled Shafts In Suzhou Stiff Clay
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Author : Ye Lu
language : en
Publisher:
Release Date : 2018

Full Scale Load Testing Of 75 90 M Long Post Grouted Drilled Shafts In Suzhou Stiff Clay written by Ye Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Foundations categories.


This article evaluates the effects of post-grouting on axial behavior of long drilled shafts in stiff clay. Static axial compression and tension load tests were conducted on four ungrouted and six post-grouted shafts to investigate the effects of post-grouting on axial capacity and load-transfer mechanism. After post-grouting, axial capacity increased more than 100 %. Prior to failure, the relationship between the normalized axial load Q/Qmax and shaft head displacement ?/D was nonlinear for ungrouted shafts. Compared with cases presented in the literature, much greater shaft displacements were required to mobilize shaft tip resistance and skin resistance, indicating a softer load-displacement response. The contribution of tip resistance to the overall load capacity was small for both ungrouted and post-grouted shafts because of their length. Shaft load capacity was significantly underestimated by the standard penetration test (SPT)-based method and ?-method and was more reasonably estimated by the ?-method. The cone penetration test (CPT) direct method yielded generally reliable predictions of skin resistance mobilized in the upper stiff clay soils; however, this method significantly underestimated skin resistance in the underlying very stiff to hard clay layers. Considering uncertainties in current design methods, results of this study suggest that field load tests are needed prior to construction to obtain site-specific design parameters.



Large Scale Laboratory Testing Of Low Mobility Compaction Grouts For Drilled Shaft Tips


Large Scale Laboratory Testing Of Low Mobility Compaction Grouts For Drilled Shaft Tips
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Author : Suthan Pooranampillai
language : en
Publisher:
Release Date : 2010

Large Scale Laboratory Testing Of Low Mobility Compaction Grouts For Drilled Shaft Tips written by Suthan Pooranampillai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Base grouting categories.


While post grouting of drilled shaft tips is an acknowledged means of mobilizing shaft base resistance at low values of displacement, much uncertainty exists among engineering professionals as to the conditions under which this option may be entertained. The impact of diverse factors such as soil gradation and soil relative density, overburden pressures, and grouting methods utilized needs to be properly understood. This paper details the laboratory test set-up utilized by researchers toward studying the impact of such factors on post grouting and resultant shaft base capacity increase. The focus of this paper is on the different components of the test set-up considered during the design and implementation stage. Several unique aspects dealt with as a part of this study and elaborated on herein include the testing chamber dimensions, method of overburden pressure application, soil deposition technique, grouting methodology employed for the low mobility compaction grout utilized, load testing protocol, and instrumentation. Sample test results included indicate satisfactory load resistance increase through grouting with a low mobility compaction grout. The performance of this set-up during the testing phase indicated applicability for use in large scale laboratory testing of low mobility grouts and drilled shaft foundations.



Geo Frontiers 2011


Geo Frontiers 2011
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Author :
language : en
Publisher:
Release Date : 2011

Geo Frontiers 2011 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.




Beyond 2000 In Computational Geotechnics


Beyond 2000 In Computational Geotechnics
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Author : Ronald B.J. Brinkgreve
language : en
Publisher: CRC Press
Release Date : 1999-01-01

Beyond 2000 In Computational Geotechnics written by Ronald B.J. Brinkgreve and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-01 with Technology & Engineering categories.


This volume contains papers presented during the first international PLAXIS symposium. Topics covered include: general geo-technical aspects; tunnels and deep excavations, and education and research. This pack is meant for the user of the PLAXIS program, as well as engineers and researchers.



Principles And Practice Of Ground Improvement


Principles And Practice Of Ground Improvement
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Author : Jie Han
language : en
Publisher: John Wiley & Sons
Release Date : 2015-06-22

Principles And Practice Of Ground Improvement written by Jie Han and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-22 with Technology & Engineering categories.


Gain a stronger foundation with optimal ground improvement Before you break ground on a new structure, you need to analyze the structure of the ground. Expert analysis and optimization of the geo-materials on your site can mean the difference between a lasting structure and a school in a sinkhole. Sometimes problematic geology is expected because of the location, but other times it's only unearthed once construction has begun. You need to be able to quickly adapt your project plan to include an improvement to unfavorable ground before the project can safely continue. Principles and Practice of Ground Improvement is the only comprehensive, up-to-date compendium of solutions to this critical aspect of civil engineering. Dr. Jie Han, registered Professional Engineer and preeminent voice in geotechnical engineering, is the ultimate guide to the methods and best practices of ground improvement. Han walks you through various ground improvement solutions and provides theoretical and practical advice for determining which technique fits each situation. Follow examples to find solutions to complex problems Complete homework problems to tackle issues that present themselves in the field Study design procedures for each technique to simplify field implementation Brush up on modern ground improvement technologies to keep abreast of all available options Principles and Practice of Ground Improvement can be used as a textbook, and includes Powerpoint slides for instructors. It's also a handy field reference for contractors and installers who actually implement plans. There are many ground improvement solutions out there, but there is no single right answer to every situation. Principles and Practice of Ground Improvement will give you the information you need to analyze the problem, then design and implement the best possible solution.



Computational And Experimental Simulations In Engineering


Computational And Experimental Simulations In Engineering
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Author : Hiroshi Okada
language : en
Publisher: Springer Nature
Release Date : 2019-11-16

Computational And Experimental Simulations In Engineering written by Hiroshi Okada and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-16 with Technology & Engineering categories.


This book gathers the latest advances, innovations, and applications in the field of computational engineering, as presented by leading international researchers and engineers at the 24th International Conference on Computational & Experimental Engineering and Sciences (ICCES), held in Tokyo, Japan on March 25-28, 2019. ICCES covers all aspects of applied sciences and engineering: theoretical, analytical, computational, and experimental studies and solutions of problems in the physical, chemical, biological, mechanical, electrical, and mathematical sciences. As such, the book discusses highly diverse topics, including composites; bioengineering & biomechanics; geotechnical engineering; offshore & arctic engineering; multi-scale & multi-physics fluid engineering; structural integrity & longevity; materials design & simulation; and computer modeling methods in engineering. The contributions, which were selected by means of a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations.



The Cost Of Corrosion In China


The Cost Of Corrosion In China
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Author : Baorong Hou
language : en
Publisher: Springer Nature
Release Date : 2019-09-26

The Cost Of Corrosion In China written by Baorong Hou and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-26 with Technology & Engineering categories.


This book comprehensively covers corrosion and corrosion protection in China in the areas including infrastructure, transportation, energy, water environment, as well as manufacturing and public utilities. Furthermore, it presents a major consulting project of Chinese Academy of Engineering, which was the largest corrosion investigation project in Chinese history, including the corresponding methods, processes and corrosion protection strategies, and provides valuable information for numerous industries. Sharing essential insights into corrosion prediction and decision-making, this book will help to decrease costs and extend the service life of equipment and facilities; accordingly, it will benefit scientists and engineers working on corrosion research and protection, as well as economists and government employees.



Mining And Its Impact On The Environment


Mining And Its Impact On The Environment
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Author : Fred G. Bell
language : en
Publisher: CRC Press
Release Date : 2006-09-27

Mining And Its Impact On The Environment written by Fred G. Bell and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-27 with Architecture categories.


Winner of the 2007 E.B. Burwell, Jr. Award of the Geological Society of America Mining activity has left a legacy of hazards to the environment, such as waste, unstable ground and contamination, which can be problematic when redeveloping land. This book highlights the effects of past mining and provides information on the types of problems it may cause in both urban and rural areas. By way of example, the book also demonstrates how such problems may be anticipated, investigated, predicted, prevented and controlled. Furthermore, it shows how sites already affected by mining problems and hazards can be remediated and rehabilitated. Covering subsidence, surface mining, disposal of waste, problems resulting from mine closure and mineral processing, Mining and its Impact on the Environment is an excellent reference for practising mining and geotechnical engineers, as well as students in this field.



Future Groundwater Resources At Risk


Future Groundwater Resources At Risk
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Author : Jouko Soveri
language : en
Publisher:
Release Date : 1994

Future Groundwater Resources At Risk written by Jouko Soveri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.




Engineering In Chalk


Engineering In Chalk
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Author : J. A. Lord
language : en
Publisher:
Release Date : 2002

Engineering In Chalk written by J. A. Lord and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Chalk categories.


This book provides guidance on engineering in chalk. It describes the chalk's geological setting, its origins, occurrence, its stratigraphy, weathering and geomorphological situations, the material and mechanical properties. The descriptions are supported by a comprehensive set of photographs. It explains recommended schemes for the engineering description and classification of chalk, building on the work presented in CIRIA PR11, 'Foundations in Chalk'. The publication looks at the mechanical and material properties of intact, in-situ and compacted chalk and considers their implications for the design and construction of earthworks, cuttings, retaining walls and anchorages. Major sections deal with the selection and design of shallow and piled foundations. Based on analysis of the results of pile testing, the book makes recommendations for the design and choice of bored, CFA, driven cast-in-place and pre-formed piles in chalk and for estimating shaft and base resistances. Contents:1 Introduction, 2 The engineering geology of chalk, 3 Description and classification of chalk, 4 Mechanical properties of the chalk, 5 Chalk in embankments and fills, 6 Cuttings, retaining structures and anchorages in chalk, 7 Shallow foundations, 8 Piled foundations, 9 Site investigations in chalk, 10 Concluding remarks, References.