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Abstract
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This document discusses the significance of researching unsaturated soil mechanics due to the prevalence of unsaturated geomaterials in various geotechnical fields. It highlights the risks associated with such soils, like rainfall-induced landslides, and emphasizes the need for engineers to address these complexities in practice. The document references key studies and works related to the topic, showcasing the ongoing developments and challenges faced by geotechnical engineers.

Figures (97)
Charles W. W. Ng & Apiniti J otisankasa
Charles W. W. Ng & Apiniti J otisankasa
Diffusion cell (After Touze-Foltzet al,20/2)
Diffusion cell (After Touze-Foltzet al,20/2)
Typical lining system (After Dixon et al, 2012)
Typical lining system (After Dixon et al, 2012)
CPT Testing in Peat (after Long &Boylan,2012)
CPT Testing in Peat (after Long &Boylan,2012)
Dilatometer Earth Pressure Cell
Dilatometer Earth Pressure Cell
Tunnelling under Shanghai “Chongsi” (after Ge et. al, 2013) Editors:
Tunnelling under Shanghai “Chongsi” (after Ge et. al, 2013) Editors:
Pipe Jacking (after Le et. al, 2013)
Pipe Jacking (after Le et. al, 2013)
Large Model with guage points for shear and volumetric strain measurement (after Miyanaga, et al, 2013)
Large Model with guage points for shear and volumetric strain measurement (after Miyanaga, et al, 2013)
Distribution of Saturation in numerical simulation Bending Stress of model test (after Xiong, et al, 2013)
Distribution of Saturation in numerical simulation Bending Stress of model test (after Xiong, et al, 2013)
Numerical Simulation of Rainfall Infiltration on Unsaturated Soil Slope With Seepage Flow (after S.Kimoto et al, 2013)
Numerical Simulation of Rainfall Infiltration on Unsaturated Soil Slope With Seepage Flow (after S.Kimoto et al, 2013)
Guest Editors: Prof. Fusao Oka & Prof. Helmut F. Schweiger
Guest Editors: Prof. Fusao Oka & Prof. Helmut F. Schweiger
Editors: Prof. Jinchun Chai & Prof. Shui-Long Shen
Editors: Prof. Jinchun Chai & Prof. Shui-Long Shen
(b)View of the consolidation cell
(b)View of the consolidation cell
1. High Speed Rail Process Simulation A pparatus, (Indraratna et al, 2014) 2. Track Displacement Monitoring (Indraratna et al, 2014)
1. High Speed Rail Process Simulation A pparatus, (Indraratna et al, 2014) 2. Track Displacement Monitoring (Indraratna et al, 2014)
Editors: Prof Buddhima Indraratna & A/Prof Cholachat Rujikiatkamjorn Editors: Prof Buddhima Indraratna
Editors: Prof Buddhima Indraratna & A/Prof Cholachat Rujikiatkamjorn Editors: Prof Buddhima Indraratna
View of a soil confined coal ash embankment (After Viswanadham & Mathur, 2014)
View of a soil confined coal ash embankment (After Viswanadham & Mathur, 2014)
Run-out modelling of Byneset landslide (After Thakur & Nigussie, 2014) Unsupported cavity (After Konig et al., 2014)
Run-out modelling of Byneset landslide (After Thakur & Nigussie, 2014) Unsupported cavity (After Konig et al., 2014)
Computational representation of sand particles in the Euleriar -Lagrangian Modeling of coastal sediment transport (After Sun et al., 2014)
Computational representation of sand particles in the Euleriar -Lagrangian Modeling of coastal sediment transport (After Sun et al., 2014)
Results of electrical prospecting from resistivity test (After Ohtsu et al., 2015)
Results of electrical prospecting from resistivity test (After Ohtsu et al., 2015)
SEM photograph of Bangkok clay (After Por et al., 2015) Embankment completed construction works at AIT (After Otha, 2015)
SEM photograph of Bangkok clay (After Por et al., 2015) Embankment completed construction works at AIT (After Otha, 2015)
Editors: Suched Likitlersuang, Suksun Horpibulsuk, Suttisak Soralump, Tirawat Boonyatee Suchatvee Suwansawat, and Thanakorn C hompoorat
Editors: Suched Likitlersuang, Suksun Horpibulsuk, Suttisak Soralump, Tirawat Boonyatee Suchatvee Suwansawat, and Thanakorn C hompoorat
Editors: San-Shyan Lin, Charng Hsein J uang, and Robert Liang ASSOCIATION OF GEOTECHNICAL SOCIETIES IN SOUTHEAST ASIA SOUTHEAST ASIAN GEOTECHNICAL SOCIETY
Editors: San-Shyan Lin, Charng Hsein J uang, and Robert Liang ASSOCIATION OF GEOTECHNICAL SOCIETIES IN SOUTHEAST ASIA SOUTHEAST ASIAN GEOTECHNICAL SOCIETY
Prof Ikuo Towhata President, J apanese G eotechnical Society (2014-2016) Vice President for Asia, International Society for Soil Mechanics and Geotechnical Engineering (2009-2017)
Prof Ikuo Towhata President, J apanese G eotechnical Society (2014-2016) Vice President for Asia, International Society for Soil Mechanics and Geotechnical Engineering (2009-2017)
Photo 1 (a) Details of true triaxial loading and (b) the water proof chamber (A fter Y in at al, 2010)
Photo 1 (a) Details of true triaxial loading and (b) the water proof chamber (A fter Y in at al, 2010)
Professor J ohn Burland
Professor J ohn Burland
Prof. Buddhima Indraratna, PhD
Prof. Buddhima Indraratna, PhD
Inundation Caused by Sea-Level Rise Combined with Land Subsidence (After Y asuhara, Murakami and Mimura 2015) Editors: Prof. Jay Meegoda & Prof. Liming Hu
Inundation Caused by Sea-Level Rise Combined with Land Subsidence (After Y asuhara, Murakami and Mimura 2015) Editors: Prof. Jay Meegoda & Prof. Liming Hu
Vacuum De-Watering and Dynamic Compaction (After Liang, Xu and Edil 2015)
Vacuum De-Watering and Dynamic Compaction (After Liang, Xu and Edil 2015)
Dr. Meegoda is the director of Geotechnical Program and a Professor of Civil and Environmental Engineering at New Jersey Institute of Technology. He received his BS (Honors) from University of Sn Lanka and his M.S. and his Ph.D. from the University of California at Davis. He has been working as educator, consultant and researcher in engineering for over 35 years. He utilizes scientific concepts and engineering technologies in his research to provide solutions to real world problems. Dr. Meegoda has worked with state and local governments, and foreign governments to provide technical input for broad range of problems.
Dr. Meegoda is the director of Geotechnical Program and a Professor of Civil and Environmental Engineering at New Jersey Institute of Technology. He received his BS (Honors) from University of Sn Lanka and his M.S. and his Ph.D. from the University of California at Davis. He has been working as educator, consultant and researcher in engineering for over 35 years. He utilizes scientific concepts and engineering technologies in his research to provide solutions to real world problems. Dr. Meegoda has worked with state and local governments, and foreign governments to provide technical input for broad range of problems.
As a professional engineer and adjunct professor, Dr. John Endicott is a recognized thought leader in geotechnics and tunneling.
As a professional engineer and adjunct professor, Dr. John Endicott is a recognized thought leader in geotechnics and tunneling.
Professor Michele Jamiolkowski has been the Emeritus Professor of C.E., Technical University of Torino since 2008. In addition, he has also been the Founder and Chairman of the Engineering Consultant Company, Studio Geotecnico Italiano; Foreign Member of the Polish Academy of Science; Member of the Lagrangian Academy of Science, Torino; and Editor in Chief of the International Journal Geomechanics and Geoengineering.
Professor Michele Jamiolkowski has been the Emeritus Professor of C.E., Technical University of Torino since 2008. In addition, he has also been the Founder and Chairman of the Engineering Consultant Company, Studio Geotecnico Italiano; Foreign Member of the Polish Academy of Science; Member of the Lagrangian Academy of Science, Torino; and Editor in Chief of the International Journal Geomechanics and Geoengineering.
Example of erosional scene of river bank in the Mekong Delta
Example of erosional scene of river bank in the Mekong Delta
Plaxis 3D piled raft foundation model
Plaxis 3D piled raft foundation model
Dr. Lin is a Professor at Department of Harbor and River Engineering of National Taiwan Ocean University in Taiwan. He received his Ph.D. degree in Civil Engineering from Washington University in St. Louis, Missouri USA in 1992. Dr. Lin was an engineer at Taiwan Area National Expressway Engineering Bureau from 1992 to 1994. Prof. Lin also served as TRB A2K03 Committee member on Foundations of Bridges and Other Structures between 1995 and 2004. He is also serving as committee member of TC-212 and ATC-1 of ISSMGE and as editorial board member of four major international journals in geotechnical engineering.
Dr. Lin is a Professor at Department of Harbor and River Engineering of National Taiwan Ocean University in Taiwan. He received his Ph.D. degree in Civil Engineering from Washington University in St. Louis, Missouri USA in 1992. Dr. Lin was an engineer at Taiwan Area National Expressway Engineering Bureau from 1992 to 1994. Prof. Lin also served as TRB A2K03 Committee member on Foundations of Bridges and Other Structures between 1995 and 2004. He is also serving as committee member of TC-212 and ATC-1 of ISSMGE and as editorial board member of four major international journals in geotechnical engineering.
Taiwan. (After Lee, Wang, Chang Lien and Huang, 2016)
Taiwan. (After Lee, Wang, Chang Lien and Huang, 2016)
Satellite Image of the Taipei Basin (After Y ang, Wong and Hwang, 2016) Sponsored by
Satellite Image of the Taipei Basin (After Y ang, Wong and Hwang, 2016) Sponsored by
"Geological Profile of Transbasin Tunnels of Zeng-Wen Reservoir Transbasin Water Diversion Projec
"Geological Profile of Transbasin Tunnels of Zeng-Wen Reservoir Transbasin Water Diversion Projec
Professor Masami Fukuoka
Professor Masami Fukuoka
Weathering profile of tropical residual Petrographic thin section of hardpan calcrete Shaking table test on soil block Thien Seng Yee, Swee Huat Chan and Teik Aun Ooi
Weathering profile of tropical residual Petrographic thin section of hardpan calcrete Shaking table test on soil block Thien Seng Yee, Swee Huat Chan and Teik Aun Ooi
Dr. Dr Farrokh Nadim is the director of the Centre of Excellence, the "International Centre for Geohazards (ICG), at the Norwegian Geotechnical Institute (NGI). He has a BSc in structural engineering from Shar University of Technology in Iran, and MSc and ScD degrees in civil engineering from Massachusetl Institute of Technology (MIT). Dr Nadim came to NGI in 1982 on a post-doctoral fellowship and joine NGI as a fulltime employee in 1984. His major fields of work are related to landslides and geohazards, ris and reliability analysis, geotechnical earthquake engineering, behaviour of geotechnical structures unde cyclic and dynamic loading, and offshore foundation engineering. He is author or co-author of over 8 scientific publications, and Chair of Technical Committee 32 of ISSMGE: "Engineering practice of ris assessment and management". Since 2003 Dr Nadim has been an adjunct professor at both the Norwegia University of Science and Technology (NTNU) and University of Oslo (Ui0).
Dr. Dr Farrokh Nadim is the director of the Centre of Excellence, the "International Centre for Geohazards (ICG), at the Norwegian Geotechnical Institute (NGI). He has a BSc in structural engineering from Shar University of Technology in Iran, and MSc and ScD degrees in civil engineering from Massachusetl Institute of Technology (MIT). Dr Nadim came to NGI in 1982 on a post-doctoral fellowship and joine NGI as a fulltime employee in 1984. His major fields of work are related to landslides and geohazards, ris and reliability analysis, geotechnical earthquake engineering, behaviour of geotechnical structures unde cyclic and dynamic loading, and offshore foundation engineering. He is author or co-author of over 8 scientific publications, and Chair of Technical Committee 32 of ISSMGE: "Engineering practice of ris assessment and management". Since 2003 Dr Nadim has been an adjunct professor at both the Norwegia University of Science and Technology (NTNU) and University of Oslo (Ui0).
Prof. Bergado (Dennes) was in the Geotechnical Engineering batch that graduated from AIT in 1976. After working for a while in Philippines, Prof. Bergado studied at Utah State University in USA on a Full Bright Scholarship and worked with Prof. Loren Anderson. Prof. Bergado joined AIT as an Assistant Professor in 1982. At AIT in the early years Prof. Bergado was involved with many major Sponsored Research Projects including the USAID Funded Welded Wire Mechanical Stabilized Earth and Geosynthetics in Embankments on Soft Clays. Prof. Bergado was also deeply involved with the PVD Soft Ground Improvement Project at the Second Bangkok (Suvarnabhumi) Airport Site with the Airport Authority of Thailand. The Doctoral Students of Prof. Bergado were: Prof. Shivashankar, Prof. Chai, Dr. Long, Dr Panich, Dr Lorenzo, Dr Sompote, Dr Lai, Dr Abuel-Naga, Dr Chairat, Dr. Pittaya, Dr Jaturonk, and Dr Tawatchai to name a few. He successfully supervised a total of 17 doctor and 160 master graduates. Prof. Bergado wrote 2 books in soil/ground improvement, edited 22 conference proceedings with more than 140 jourmal and 280 conference papers. Prof. Bergado also edited the Volume on Geotechnical Engineering in SE Asia for the Golden Jubilee Conference at San Francisco in 1985. Prof. Bergado was associated with the Southeast Asian Geotechnical Society from the time he joined AIT, earlier as Editor of the Journal (1996-2000) and later became the Secretary General of SEAGS (2001-2012). He also initiated the Asian Center for Soil Improvement and Geosynthetics (ACSIG) and founded the International Geosynthetics Society (IGS)-Thailand Chapter. Currently, he is serving his second term as elected member of the IGS International Council. Prof. Bergado spent his Sabbatical at Saga University.
Prof. Bergado (Dennes) was in the Geotechnical Engineering batch that graduated from AIT in 1976. After working for a while in Philippines, Prof. Bergado studied at Utah State University in USA on a Full Bright Scholarship and worked with Prof. Loren Anderson. Prof. Bergado joined AIT as an Assistant Professor in 1982. At AIT in the early years Prof. Bergado was involved with many major Sponsored Research Projects including the USAID Funded Welded Wire Mechanical Stabilized Earth and Geosynthetics in Embankments on Soft Clays. Prof. Bergado was also deeply involved with the PVD Soft Ground Improvement Project at the Second Bangkok (Suvarnabhumi) Airport Site with the Airport Authority of Thailand. The Doctoral Students of Prof. Bergado were: Prof. Shivashankar, Prof. Chai, Dr. Long, Dr Panich, Dr Lorenzo, Dr Sompote, Dr Lai, Dr Abuel-Naga, Dr Chairat, Dr. Pittaya, Dr Jaturonk, and Dr Tawatchai to name a few. He successfully supervised a total of 17 doctor and 160 master graduates. Prof. Bergado wrote 2 books in soil/ground improvement, edited 22 conference proceedings with more than 140 jourmal and 280 conference papers. Prof. Bergado also edited the Volume on Geotechnical Engineering in SE Asia for the Golden Jubilee Conference at San Francisco in 1985. Prof. Bergado was associated with the Southeast Asian Geotechnical Society from the time he joined AIT, earlier as Editor of the Journal (1996-2000) and later became the Secretary General of SEAGS (2001-2012). He also initiated the Asian Center for Soil Improvement and Geosynthetics (ACSIG) and founded the International Geosynthetics Society (IGS)-Thailand Chapter. Currently, he is serving his second term as elected member of the IGS International Council. Prof. Bergado spent his Sabbatical at Saga University.
Dr Goh obtained his Bachelor of Engineering and Masters of Engineering from the National University of Singapore, and received his doctorate from the University of Cambridge. He has more than 15 years of geotechnical engineering experience, and has been involved in the design aspects of several road and rail infrastructure projects in Singapore. He is currently a deputy director who looks after the Geotechnical & Tunnels Division in the Land Transport A uthority of Singapore. He is registered as a professional engineer in Singapore with specialisation in geotechnical engineering as well as a chartered professional engineer. Kok Hun Goh, Jeyatharan Kumarasamy, Richard Hwang & San Shyan Lin
Dr Goh obtained his Bachelor of Engineering and Masters of Engineering from the National University of Singapore, and received his doctorate from the University of Cambridge. He has more than 15 years of geotechnical engineering experience, and has been involved in the design aspects of several road and rail infrastructure projects in Singapore. He is currently a deputy director who looks after the Geotechnical & Tunnels Division in the Land Transport A uthority of Singapore. He is registered as a professional engineer in Singapore with specialisation in geotechnical engineering as well as a chartered professional engineer. Kok Hun Goh, Jeyatharan Kumarasamy, Richard Hwang & San Shyan Lin
Dr Jeyatharan Kumarasamy graduated from Cambridge University, UK (Ph.D. in Soil Mechanics) in 1992 and University of Peradeniva, Sri Lanka with B.Sc. (Eng.) First Class Honours in 1985.
Dr Jeyatharan Kumarasamy graduated from Cambridge University, UK (Ph.D. in Soil Mechanics) in 1992 and University of Peradeniva, Sri Lanka with B.Sc. (Eng.) First Class Honours in 1985.
Prof. San-Shyan Lin graduated from Chung Y uan University with a BSCE degree in 1981. He then obtained his master degree from Utah State University, Logan, Utah in 1985 and his PhD from Washington University in St. Louis, Missouri in 1992. Before his teaching career at university, Dr. Lin served as an engineer at Taiwar Area National Expressway Engineering Bureau between1992 to1994. Dr. Lin has been serving at Department of Harbor and River Engineering (DHRE) of National Taiwan Ocean University (NTOU) since 1994. He was promoted as a full professor in 2000. Thereafter, he took some university duties by serving as the secretary- general at office of the secretariat between 2001 and 2003; the chairman of DHRE between 2005 and 2006; the acting dean of college of engineering in 2007 and the vice president of NTOU between 2006 and 2012.
Prof. San-Shyan Lin graduated from Chung Y uan University with a BSCE degree in 1981. He then obtained his master degree from Utah State University, Logan, Utah in 1985 and his PhD from Washington University in St. Louis, Missouri in 1992. Before his teaching career at university, Dr. Lin served as an engineer at Taiwar Area National Expressway Engineering Bureau between1992 to1994. Dr. Lin has been serving at Department of Harbor and River Engineering (DHRE) of National Taiwan Ocean University (NTOU) since 1994. He was promoted as a full professor in 2000. Thereafter, he took some university duties by serving as the secretary- general at office of the secretariat between 2001 and 2003; the chairman of DHRE between 2005 and 2006; the acting dean of college of engineering in 2007 and the vice president of NTOU between 2006 and 2012.
Design and Analysis of Composite Foundation for High-rise Buildings
Design and Analysis of Composite Foundation for High-rise Buildings
Fundamental Experiments on a Reinforcement Method Using Sheet Pile Wall for Bridge Pile Foundations Subjected To Pile Embedment Reduction and Numerical Validation
Fundamental Experiments on a Reinforcement Method Using Sheet Pile Wall for Bridge Pile Foundations Subjected To Pile Embedment Reduction and Numerical Validation
Prof. San-Shyan Lin graduated from Chung Y uan University with a BSCE degree in 1981. He then obtainec his master degree from Utah State University, Logan, Utah in 1985 and his PhD from Washington University in St. Louis, Missouri in 1992. Before his teaching career at university, Dr. Lin served as an engineer at T aiwat Area National Expressway Engineering Bureau between1992 to1994. Dr. Lin has been serving at Departmen of Harbor and River Engineering (DHRE) of National Taiwan Ocean University (NTOU) since 1994. He wa promoted as a full professor in 2000. Thereafter, he took some university duties by serving as the secretary general at office of the secretariat between 2001 and 2003; the chairman of DHRE between 2005 and 2006 the acting dean of college of engineering in 2007 and the vice president of NTOU between 2006 and 2012.
Prof. San-Shyan Lin graduated from Chung Y uan University with a BSCE degree in 1981. He then obtainec his master degree from Utah State University, Logan, Utah in 1985 and his PhD from Washington University in St. Louis, Missouri in 1992. Before his teaching career at university, Dr. Lin served as an engineer at T aiwat Area National Expressway Engineering Bureau between1992 to1994. Dr. Lin has been serving at Departmen of Harbor and River Engineering (DHRE) of National Taiwan Ocean University (NTOU) since 1994. He wa promoted as a full professor in 2000. Thereafter, he took some university duties by serving as the secretary general at office of the secretariat between 2001 and 2003; the chairman of DHRE between 2005 and 2006 the acting dean of college of engineering in 2007 and the vice president of NTOU between 2006 and 2012.
Panoramic photographic view of the site Overview of reinforced soil method by vertically arranged micropiles
Panoramic photographic view of the site Overview of reinforced soil method by vertically arranged micropiles
DITORS: Akira Murakami, San Shyan Lin & Mounir Bouassidz
DITORS: Akira Murakami, San Shyan Lin & Mounir Bouassidz
Akira Murakami, San Shyan Lin & Mounir Bouassida Prof. Akira Murakami received his BS (1978) at the Agricultural Engineering Department; MS (1980) a the Civil Engineering Department and Dr. Agr. (1991) from Kyoto University (KU), respectively. In 1982 he became an assistant professor at the Agricultural Engineering Department of KU, and was promoted to a1 associate professor of KU in 1994. He moved to the Graduate School of Environmental Science of Okayam: University with a promotion to full professor in 1999. After joining Okayama University for just 10 years he moved back to a full professor of KU in 2009. He has served as the Vice President of the Japanesi Geotechnical Society (JGS), the Board Member of the Japanese Society of Irrigation, Drainage and Rura Engineering (JSIDRE), and the International Association for Computer Methods and Advances 11 Geomechanics (IACMAG), and also serves as a core member of TC103 of ISSMGE and a member of th Multidisciplinary International Society on Inverse Problems in Science and Engineering. He had acted as th Secretary of TC34 of ISSMGE for two terms and delivered a general report of ‘Numerical Methods’ a 16ICSMGE held in Osaka. He is the recipient of the Japanese Society of Civil Engineering (JSCE) Pape Award (1996), the JSIDRE Sawada Prize (2007), the JGS Best Accomplishment Award (2008), the JSIDRI Best Paper Award (2010), the JGS Paper Award (2011, 2013) and is a Fellow of JSCE. His researcl interests include the data assimilation, inverse problem, finite element methods, mesh free methods, an DEM in ceqmechanice
Akira Murakami, San Shyan Lin & Mounir Bouassida Prof. Akira Murakami received his BS (1978) at the Agricultural Engineering Department; MS (1980) a the Civil Engineering Department and Dr. Agr. (1991) from Kyoto University (KU), respectively. In 1982 he became an assistant professor at the Agricultural Engineering Department of KU, and was promoted to a1 associate professor of KU in 1994. He moved to the Graduate School of Environmental Science of Okayam: University with a promotion to full professor in 1999. After joining Okayama University for just 10 years he moved back to a full professor of KU in 2009. He has served as the Vice President of the Japanesi Geotechnical Society (JGS), the Board Member of the Japanese Society of Irrigation, Drainage and Rura Engineering (JSIDRE), and the International Association for Computer Methods and Advances 11 Geomechanics (IACMAG), and also serves as a core member of TC103 of ISSMGE and a member of th Multidisciplinary International Society on Inverse Problems in Science and Engineering. He had acted as th Secretary of TC34 of ISSMGE for two terms and delivered a general report of ‘Numerical Methods’ a 16ICSMGE held in Osaka. He is the recipient of the Japanese Society of Civil Engineering (JSCE) Pape Award (1996), the JSIDRE Sawada Prize (2007), the JGS Best Accomplishment Award (2008), the JSIDRI Best Paper Award (2010), the JGS Paper Award (2011, 2013) and is a Fellow of JSCE. His researcl interests include the data assimilation, inverse problem, finite element methods, mesh free methods, an DEM in ceqmechanice
Prof. San-Shyan Lin graduated from Chung Yuan University with a BSCE degree in 1981. He then obtaine nis master degree from Utah State University, Logan, Utah in 1985 and his PhD from Washington Universit in St. Louis, Missouri in 1992. Before his teaching career at university, Dr. Lin served as an engineer : Taiwan Area National Expressway Engineering Bureau between1992 to1994. Dr. Lin has been serving : Department of Harbor and River Engineering (DHRE) of National Taiwan Ocean University (NTOU) sinc 1994. He was promoted as a full professor in 2000. Thereafter, he took some university duties by serving < the secretary-general at office of the secretariat between 2001 and 2003; the chairman of DHRE between 200 and 2006; the acting dean of college of engineering in 2007 and the vice president of NTOU between 2006 ar 2012.
Prof. San-Shyan Lin graduated from Chung Yuan University with a BSCE degree in 1981. He then obtaine nis master degree from Utah State University, Logan, Utah in 1985 and his PhD from Washington Universit in St. Louis, Missouri in 1992. Before his teaching career at university, Dr. Lin served as an engineer : Taiwan Area National Expressway Engineering Bureau between1992 to1994. Dr. Lin has been serving : Department of Harbor and River Engineering (DHRE) of National Taiwan Ocean University (NTOU) sinc 1994. He was promoted as a full professor in 2000. Thereafter, he took some university duties by serving < the secretary-general at office of the secretariat between 2001 and 2003; the chairman of DHRE between 200 and 2006; the acting dean of college of engineering in 2007 and the vice president of NTOU between 2006 ar 2012.

Key takeaways

  • He has extensive research and practical experience in physical, theoretical and numerical modelling in geotechnical engineering, especially in pile foundations, and marine geotechnics.
  • Prof. Chang has been the Geotechnical faculty member at Thus this Issue is unique in its own way in covering, theory, and practice via laboratory and field tests on model piles and under full scale conditions.
  • He serves as Vice Chair of the Technical Committee of Geotechnics of Soil Erosion, International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE), TPC member of the International Society of Offshore and Polar Engineering (ISOPE); also serves on the editorial board of the Journal of Hydrodynamics, Theoretical and Applied Mechanics Letters, Chinese Journal of Geotechnical Engineering.
  • He has real world experience in geotechnical engineering practice with sound knowledge on the fundamentals of soil behaviour.
  • The shear strength τ, shear modulus G, friction angle ∅, and cohesion c are remarkable design parameters in the geotechnical and civil projects.

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Preface to the Third Edition i Preface to the First Edition ii Chapter 1 *According to him, ''Soil Mechanics is the application of the laws of mechanics and hydraulics to engineering problems dealing with sediments and other unconsolidated accumulations of soil particles produced by the mechanical and chemical disintegration of rocks regardless of whether or not they contain an admixture of organic constiuents''. Until recently, a civil engineer has been using the term 'soil' in its broadest sense to include even the underlying bedrock in dealing with foundations. However, of late, it is wellrecognised that the sturdy of the engineering behaviour of rock material distinctly falls in the realm of 'rock mechanics', research into which is gaining impetus the world over. The use of soil for engineering purposes dates back to prehistoric times. Soil was used not only for foundations but also as construction material for embankments. The knowledge was empirical in nature and was based on trial and error, and experience. The hanging gardens of Babylon were supported by huge retaining walls, the construction of which should have required some knowledge, though empirical, of earth pressures. The large public buildings, harbours, aqueducts, bridges, roads and sanitary works of Romans certainly indicate some knowledge of the engineering behaviour of soil. This has been evident from the writings of Vitruvius, the Roman Engineer in the first century, B.C. Mansar and Viswakarma, in India, wrote books on 'construction science' during the medieval period. The Leaning Tower of Pisa, Italy, built between 1174 and 1350 A.D., is a glaring example of a lack of sufficient knowledge of the behaviour of compressible soil, in those days. Coulomb, a French Engineer, published his wedge theory of earth pressure in 1776, which is the first major contribution to the scientific study of soil behaviour. He was the first to introduce the concept of shearing resistance of the soil as composed of the two componentscohesion and internal friction. Poncelet, Culmann and Rebhann were the other men who extended the work of Coulomb. D' Arcy and Stokes were notable for their laws for the flow of water through soil and settlement of a solid particle in liquid medium, respectively. These laws are still valid and play an important role in soil mechanics. Rankine gave his theory of earth pressure in 1857; he did not consider cohesion, although he knew of its existence. Boussinesq, in 1885, gave his theory of stress distribution in an elastic medium under a point load on the surface. Mohr, in 1871, gave a graphical representation of the state of stress at a point, called 'Mohr's Circle of Stress'. This has an extensive application in the strength theories applicable to soil. Atterberg, a Swedish soil scientist, gave in 1911 the concept of 'consistency limits' for a soil. This made possible the understanding of the physical properties of soil. The Swedish method of slices for slope stability analysis was developed by Fellenius in 1926. He was the chairman of the Swedish Geotechnical Commission. Prandtl gave his theory of plastic equilibrium in 1920 which became the basis for the development of various theories of bearing capacity. Terzaghi gave his theory of consolidation in 1923 which became an important development in soil mechanics. He also published, in 1925, the first treatise on Soil Mechanics, a term coined by him. (Erd bau mechanik, in German). Thus, he is regarded as the Father of modern soil mechanics'. Later on, R.R. Proctor and A. Casagrande and a host of others were responsible for the development of the subject as a full-fledged discipline. C horizon 3 to 4 m 1 B horizon 60 to 100 cm A horizon 30 to 50 cm C horizon below 4 to 5 m 2 A : Light brown loam, leached Dark brown clay, leached Light brown silty clay, oxidised and unleached Light brown silty clay, unoxidised and unleached B : C : 1 C : 2 GEOTECHNICAL ENGINEERING high swelling and shrinkage potential these are difficult soils to deal with in foundation design. 2. Marine soils, occurring in a narrow belt all along the coast, especially in the Rann of Kutch. These are very soft and sometimes contain organic matter, possess low strength and high compressibility. 3. Desert soils, occurring in Rajasthan. These are deposited by wind and are uniformly graded. 4. Alluvial soils, occurring in the Indo-Gangetic plain, north of the Vindhyachal ranges. 5. Lateritic soils, occurring in Kerala,

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Geotechnical Engineering Journal of the SEAGS & AGSSEA Journal – September 2019 Vol. 50 No. 3 September 2019 ISSN 0046-5828
Southeast Asian Geotechnical Society (SEAGS)

Geotechnical Engineering Journal of the SEAGS & AGSSEASEAGS-AGSSEA Journal – September 2019 Vol. 50 No. 3 September 2019 ISSN 0046-5828, 2019

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Advances in Soil Mechanics and Geotechnical Engineering
Asep Ardianto

Advances in Soil Mechanics and Geotechnical Engineering (ASMGE) is a peer-reviewed book series covering the developments in the key application areas of geotechnical engineering. ASMGE will focus on theoretical, experimental and case history-based research, and its application in engineering practice. The series will include proceedings and edited volumes of interest to researchers in academia, as well as industry. The series is published by IOS Press under the imprint Millpress. Recently published in this series

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Geotechnical Engineering and Soil Testing
Amir Al-Khafaji

Preface Geotechnical Engineering and Soil Testing is intended for use in the first of a twocourse sequence usually taught to third-and fourth-year civil engineering students. The text introduces students to soil materials as they relate to geotechnical engineering problems. Soil exploration with retrieval of samples permits evaluation of the soil behavior by use of laboratory tests. With preparation of a general picture of the underlying soil conditions at a site (soil profile) and a working knowledge of how soil behaves as a material, civil engineering technology can be applied to the design of foundations, slope stability problems, earth dams, and retaining structures. The design aspects are introduced in the final chapters and are covered extensively in subsequent courses. Students are assumed to have a working knowledge of undergraduate mechanics (statics, mechanics of materials, and fluids). Some knowledge of basic geology is desirable. An introduction to the nature and properties of soil materials builds on the knowledge of mechanics and geology. The language of geotechnical engineering is presented in terms of the classification and engineering properties of soils. A working knowledge of how soil behaves is acquired from a study of known behavior along with laboratory work on properties important to geotechnical engineering problems. Innovative instructors can add supplementary design examples to the final vi i PREFACE ix and U.S. customary units. The data forms used in each of the 29 laboratory experiments are included at the end of the textbook. Students should make copies of these forms when conducting an experiment. It is suggested that the forms be copied and, if necessary, enlarged by the instructor, then made available to students. The basis and recommendations relative to several commercially available geotechnical computer programs are provided. The authors are grateful to the many colleagues and students who have contributed significantly and often indirectly to their understanding of geotechnical engineering. Contributions by many individuals are given credit by reference to their published work and by quotations. The source of photographs is indicated in each case. This book has been written on the proposition that good judgment comes from experience and that experience comes from poor judgment. The quality of this book has been and will continue to be judged by our students and colleagues whose comments and suggestions have contributed greatly to the successful completion of the final manuscript. We are indebted to Professor Ted Vinson of Oregon State University who provided several examples and insights during the development of this book. We are grateful to Professor Farzad Shahbodaghlou of Bradley University and his wife Moji for their significant help in finalizing the manuscript. Our sincere thanks to Julie Dell for her help in preparing some of the figures. Our families and especially our wives Wilma Al-Khafaji and Phyllis Andersland deserve our appreciation and respect for their tolerance and dedication. We would not have been able to complete this project without their support and encouragement. The authors appreciate the efforts of the following reviewers who, by their criticisms and helpful comments, have encouraged us in the preparation and finalization of the manuscript.

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Geotechnical Engineering Journal of the SEAGS & AGSSEA Vol. 43 No.1 March 2012
SEAGS Secretary

Unsaturated expansive soils are located in many regions of the world. Expansive soils can swell more than 100% and shrink more than 50% of its original volume. When these soil movements are totaled, they often result in significant distress to low overburden structures such as pavements and residential buildings. Cracking occurs when the shrinkage or desiccation induced pressure inside the expansive soil matrix exceeds the tensile strength of the same soils. In general, practitioners use soil tests such as linear shrinkage strain and Atterberg limit tests to determine shrinkage strain potentials of soils. However, these tests do not provide shrinkage induced soil pressures generated within the soil. The main objective of this paper is to present a new technique to measure the shrinkage pressure inherently induced inside the matrix of clays. This test termed as Shrinkage Induced Pressure (SIP) is evaluated for providing repeatable and reliable measurements. SIP test results are compared with Indirect Tensile (IDT) strength test results to explain the shrinkage mechanisms in the soils.

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Geotechnical Engineering Journal of SEAGS: 2011-2015
Arumugam Balasubramaniam

Geotechnical Engineering Journal of SEAGS: 2011-2015: From Editor in Chief: A. S. Balasubramaniam (Bala) Editor – in - Chief of SEAGS-AGSSEA Journal B Sc, PhD (Cambridge) Formerly, Post-Doctorate Research Fellow, Royal Norwegian Council for Scientific and Industrial Research Emeritus Professor, Asian Institute of Technology, Bangkok, Thailand Visiting Professor, NTU Singapore Adjunct Professor, Griffith University Gold Coast Campus http://www.seags.ait.ac.th/ http://www.agssea.org/

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ICE Manual of Geotechnical Engineering Volume 1: Geotechnical Engineering Principles, Problematic Soils and Site Investigation
Hilary Skinner

2012

Chapter 2: Foundations and other geotechnical elements in context-their role 5 J. B. Burlane! and T. Chapman 2.1 Geotechnical etements in the context of the rest of the whole structure 5 2.2 Key requirements for ali geotechnical elements 6 2.3 lnteraction with other professionals 6 2.4 Design lives for geotechnical elements 7 2.5 The geotechnical design and construction cycle 8 2.6 Common factors associated with geotechnical success 9 2. 7 References 10 Chapter 3: A brief history of the development of geotechnical engineering 11 J. B. Burland 3.1 lntroduction 11 3.2 Geotechnical engineering in the early 20th century 11 3.3 Terzaghi, father of geotechnical engineering 12 3.4 The impact of soil mechanlcs on structural and civil engineering 14 3.5 Conclusions 14 3.6 References 15 Chapter 4: The geotechnical triangle 17 J.B.Bur1and 4.1 lntroduction 17 4.2 The ground profila 18 4.3 The measured or observed behaviour of the ground 18 4.4 Appropriate model 18 4.5 Empirica! procedures and experience 19 4.6 Summary of the geotechnical triangle 19 4.7 Re-visiting the underground car park at the Palace of Westminster 19 4.8 Concluding remarks 26 4.9 References 26 Chapter 5: Structural and geo technical modelling 27 ICE Manual of Geotechnical Engineering© 2012 lnstitution of Civil Engineers www.icemanuals.com ix

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Soil Mechanics II (Geotech Engg) lab Report.pdf
Muhammad Bilal

Muhammad Bilal, 2019

The following tests was performed by the students of Civil Engineering Department U.E.T Peshawar (the list of experiments can be seen in table of contents) under the supervision of Sir Engr. Zia Ullah. The main purpose of this lab was to investigate different types of soils through different tests and to compare them with the standards mostly ASTM.

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Geotechnical Engineering Journal SEAGS A
Giliarde Wolkartt Nunes

The construction field in Vietnam has been under a very fast development. More than ten years ago the first 30-storey tower appeared in Vietnam. Today, the height has reached to 70-80 floors. During the last decade many tall towers, long bridges, deep tunnels, large hydro-power dams, large airport and habours, etc have appeared in Vietnam. Thousands of kilometers of highway have been constructed. New metro projects have been started both in Hanoi anh Ho Chi Minh City. It is understandable why geotechnical engineering has recently developed very fast in Vietnam. The issue's major topics relate to piled raft foundations; piled foundations for storage tanks; pile group settlements; coastal and riverine erosion in the context of climate change; soil characterization for land subsidence evaluation for MRT projects; discrete modelling of excavation in fractured rock; settlement management for urban tunnels; evaluation of performance of diaphragm walls; study on clayey soils using piezocone; DEM simulations of medium dense sand in triaxial apparatus; characteristic of unsaturated soil of earth fill dams; ground improvement using soil-cement columns/deep mixing method; and ground improvement with preloading, and PVD and vacuum pressure. Phung Duc Long (paper No.1) has made a detailed study on pile raft foundation in which the piles are used for reducing settlement, not for taking the total load from superstructure as in the conventional pile foundations. The results from his field model test, which strongly supports the concept of settlementreducers, are reviewed. Basing on the experiment, a simplified design method is proposed. In the paper, the method is used for the conceptual design of a large high-rise building complex. In combination with FEM, the simplified method gives a reliable tool for conceptual design of piled-raft foundations. PLAXIS 3D is used for modelling both the piled and un-piled foundations in the study. Yasuhara et al, (paper No.2) describe climate change related disasters such as erosion along riverine and coastal areas of the Mekong Delta in the South Vietnam. Also, the red river delta in the north is expected to be exacerbated by land subsidence, sea-level rise (SLR), and magnified typhoons. Adaptation to severe erosion is expected to respond to regional circumstances and the demands of local residents. Based on the expectations outlined above, for soft adaptation, attempts were made to conduct perception surveys of local residents, in addition to field surveys of erosion at riverside and coastal areas using an un-crewed aerial vehicle (UAV). Furthermore, for hard adaptation, a proposal is made to conduct pilot field tests at the coast for reinforcing coastal dykes using the combined technique of locally available materials with cost-saving eco-geosynthetics in addition to application of ICT. This paper explains the possibility of

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Geotechnics: Welcome to a new open access journal for a growing multidisciplinary community
Brendan C . O'Kelly

Geotechnics (MDPI), 2021

On behalf of the editorial board and MDPI Publishing, may we extend a very warm welcome to this first editorial of Geotechnics — a new and international, open access, scholarly journal aimed at showcasing and nurturing high‐quality research and developmental activities in soil and rock engineering and geo‐environmental engineering, worldwide. Ground is a complex domain which is of cardinal importance for both Engineering and the Sciences, including Ground Engineering, Structural Engineer, Hydrology, Geology, Planetary Sciences and Physics. In Engineering, it provides the means for supporting the built environment. It also provides construction materials, defenses against natural disasters and a medium for the flow of water, chemical processes etc. From a civil engineering perspective, Geotechnics is among the oldest engineering disciplines, dating from the Dawn of Civilization.

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Soil mechanics fundamentals by muni budh
Giliarde Wolkartt Nunes

Designations used by companies to distinguish their products are often claimed as trademarks. All brand names and product names used in this book are trade names, service marks, trademarks or registered trademarks of their respective owners. The publisher is not associated with any product or vendor mentioned in this book. Limit of Liability/Disclaimer of Warranty: While the publisher and author(s) have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. It is sold on the understanding that the publisher is not engaged in rendering professional services and neither the publisher nor the author shall be liable for damages arising herefrom. If professional advice or other expert assistance is required, the services of a competent professional should be sought. Library of Congress Cataloging-in-Publication Data Budhu, M. Soil mechanics fundamentals / Muni Budhu.-Imperial version. pages cm Includes index. ISBN 978-0-470-57795-0 (paperback) 1. Soil mechanics. I. Title. TA710.B7654 2015 624.1′5136-dc23 2014046328 This book also appears in a Metric measurement edition, ISBN 9781119019657. A catalogue record for this book is available from the British Library.

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Geotechnical Engineering Journal of the SEAGS & AGSSEA 2018-2021
Southeast Asian Geotechnical Society (SEAGS)

Geotechnical Engineering Journal of the SEAGS & AGSSEA, 2018

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