9月16日至11月18日，应tyc1286太阳成集团邀请，美国科罗拉多矿业大学Ning Lu（卢宁）教授开设的18讲“非饱和土力学前沿科学问题系列云讲座”落幕，该系列讲座聚焦于非饱和土力学前沿领域，围绕土的吸附势（Soil sorptive potential）与土的有效应力（Soil effective stress）2大主题，18讲内容分别为：
Unsaturated Soil Mechanics: fundamental challenges, breakthroughs, and opportunities
Linking soil water adsorption to geotechnical engineering properties I: physics laws
Linking soil water adsorption to geotechnical engineering properties II: physics principles
Linking soil water adsorption to geotechnical engineering properties III: physicochemical and geotechnical properties
Soil sorptive potential: concept, theory, and verification
Soil sorptive potential: experimental validation and determination
Soil sorptive potential: vapor sorption isotherm theory: BET theory
Soil sorptive potential: vapor sorption isotherm theory: augmented BET theory
Soil physicochemical properties: specific surface area
Soil physicochemical properties: cation exchange capacity
General soil water retention curve: capillary vs adsorption
Soil sorptive potential: soil water sorption hysteresis mechanism
Soil effective stress: classical theories of Terzhaghi, Bishop, and Fredlund and Morgenstein
Soil effective stress: contemporary theory of Lu et al.-suction stress characteristics curve
Soil effective stress: unified theory for capillary and adsorption
Soil effective stress: determination by shear and tensile strength, by soil water retention, and by soil shrinkage behavior
Soil effective stress: soil shrinkage behavior
Soil water potential: concepts, physical basis, general forms, and challenges
来自中科院地质与地球物理所、中科院武汉岩土所、中科院成都山地所、上海交通大学、南京大学、北京交通大学、西北农林科技大学、长安大学、合肥工业大学、宁波大学、湖北工业大学、桂林理工大学、台州学院、北京双杰特公司和我校共15家单位的同行专家、博士后、博士生、硕士生共同聆听了该系列讲座，并就非饱和土力学领域的前沿问题展开了热烈深入的探讨。
Ning Lu，美国科罗拉多矿业大学土木与环境工程系教授，主要致力于非饱和土力学领域的科学研究与边坡稳定工程问题研究；美国土木工程师学会最高奖Normal Medal、以及James J. Croes Medal、Maurice A. Biot Medal、Ralph B. Peck Medal获得者；美国土木工程师学会、美国地质学会、美国工程力学学会会士；Vadose Zone Journal副主编，Geotechnical Testing Journal编委；13项美国国家自然科学基金的负责人；138篇期刊文章的主要作者，Google Scholar统计被引9993次；代表专著《Unsaturated Soil Mechanics》和《Hillslope Hydrology and Stability》在国际上获得广泛好评和引用。
该系列讲座受河南省高端外国专家引进计划(HNGD2020005)与国家自然科学基金面上项目(11772290)资助，负责人为tyc1286太阳成集团周葆春教授。
