Charles W. W. Ng, Chao Zhou, Junjun Ni

Advanced Unsaturated Soil Mechanics (eBook, ePUB)

Theory and Applications

• Format: ePub

Produktbeschreibung

Unsaturated soil is a three-phase material that is ubiquitous on the Earth's surface and exhibits complex behaviour, which becomes more complex in response to the Earth's changing climate and increasing engineering activities. This is because the former affects its moisture and temperature conditions significantly and the latter governs its stress state and suction condition. This book is designed to meet the increasing challenges of climate change and engineering activities by covering the mechanics and engineering of unsaturated soil in a logical manner. It comprises four major parts:

1. Water retention and flow characteristics
2. Shear strength and stiffness at various temperatures
3. State-dependent elasto-plastic constitutive modelling
4. Field monitoring and engineering applications

This second edition uniquely covers fundamental topics on unsaturated soil that are not covered in other similar books, including:

• the state- dependency of soil- water retention behaviour and water permeability functions, such as dependence on engineering activities
• small strain stiffness considering the influence of wetting- drying cycles and recent suction history, such as that due to climate change
• suction effects on dilatancy and peak shear strength
• cyclic thermal effects on soil behaviour
• state- dependent elastoplastic constitutive modelling of monotonic and cyclic behaviour
• engineering applications such as the South-to-North Water Transfer Project; an earthen landfill cover system devoid of geomembrane in the Xiaping landfill, Shenzhen; and a 15-m-deep multi- propped excavation in Tianjin, China

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Produktdetails

• Verlag: Taylor & Francis eBooks
• Seitenzahl: 544
• Erscheinungstermin: 24. Oktober 2024
• Englisch
• ISBN-13: 9781040099100
• Artikelnr.: 72284237

Autorenporträt

Charles W.W. Ng is a Chair Professor and the CLP Holdings Professor of Sustainability at The Hong Kong University of Science and Technology. He is also a Fellow of the Royal Academy of Engineering, an Editor- in- Chief of the Canadian Geotechnical Journal and the immediate past- President of the International Society for Soil Mechanics and Engineering (2017- 2022). He has published over 400 SCI journal articles, many of which are related to unsaturated soil mechanics and engineering. He has received many international awards, such as the 2022 Vernes Medal from the International Consortium on Landslides, the 2022 Fredlund Award from the Canadian Geotechnical Society, the 2017 Telford Premium Prize from the Institution of Civil Engineers, and the 2016 R. M. Quigley Award from the Canadian Geotechnical Society. In addition, he has received awards in mainland China, namely the prestigious 2022 Ho Leung Ho Lee Foundation Prize for Scientific and Technological Progress, the 2020 National Natural Science Award and the 2015 Scientific Technological Advancement Award from the State Council, China.

Drs Chao Zhou and Junjun Ni are former PhD students of Professor Ng and have conducted extensive research on unsaturated soil mechanics and engineering during and after their PhD studies. Dr Zhou is currently an Associate Professor at The Hong Kong Polytechnic University, and Dr Ni is a Professor at Southeast University in Nanjing, China.

Inhaltsangabe

1. Introduction. 2. Measurement and control of suction. 3. Retention characteristics and permeability functions for water and gas flows. 4. Shear strength and behaviour. 5. Shear stiffness and damping ratio. 6. Thermal effects on soil behaviour and properties. 7. Constitutive modelling of state-dependent behavior of soils. 8. Field monitoring and engineering applications.