高级非饱和土力学：理论与应用，第2版

English | 2025 | ISBN: 9781032298320 | 545 pages | True PDF EPUB | 169.85 MB

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; and (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; and • 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. Charles W.W. Ng is 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). Chao Zhou is Associate Professor at The Hong Kong Polytechnic University. Junjun Ni is Professor at Southeast University in Nanjing, China.

中文| 2025 | ISBN:9781032298320 | 545页| True PDF EPUB | 169.85 MB不饱和土壤是一种三相材料，在地球表面无处不在，表现出复杂的行为，随着地球气候变化和工程活动的增加，这种行为变得更加复杂。这是因为前者显著影响其湿度和温度条件，而后者控制其应力状态和吸力条件。本书旨在通过以合乎逻辑的方式涵盖非饱和土的力学和工程，以应对气候变化和工程活动日益严峻的挑战。它包括四个主要部分：（1）保水和流动特性；（2） 不同温度下的抗剪强度和刚度；（3） 状态相关弹塑性本构建模；以及（4）现场监测和工程应用。第二版独特地涵盖了其他类似书籍中未涉及的非饱和土壤的基本主题，包括：•土壤保水行为和透水功能的状态依赖性，如对工程活动的依赖性；•考虑到干湿循环和最近吸力历史（如气候变化）的影响，应变刚度较小吸力对剪胀和峰值抗剪强度的影响循环热效应对土壤行为的影响单调和循环行为的状态相关弹塑性本构模型；以及•工程应用，如南水北调工程；深圳下坪垃圾填埋场没有土工膜的土填埋场覆盖系统；以及中国天津一个15米深的多支撑开挖。Charles W.W.Ng是香港科技大学主席教授和中电控股可持续发展教授。他还是英国皇家工程院院士、《加拿大岩土工程杂志》主编和国际土壤力学与工程学会前任主席（2017-2022）。周是香港理工大学副教授。倪俊军是中国南京东南大学的教授。

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