讲座内容与安排

第1讲 (9月16日, 上午9:00-9:50):

Unsaturated Soil Mechanics: fundamental challenges, breakthroughs, and opportunities

Reference: Lu, N. "Unsaturated Soil Mechanics: Fundamental Challenges, Breakthroughs, and Opportunities." J. of Geotech. and Geoenv. Eng. 146.5 (2020): 02520001.

第2讲 (9月16日, 上午10:00-10:45):

Linking soil water adsorption to geotechnical engineering properties I: physics laws

Reference: Lu, N. "Linking soil water adsorption to geotechnical engineering properties." Geotechnical Fundamentals for Addressing New World Challenges. Springer, Cham, 2019. 93-139.

第3讲 (9月23日，上午9:00-9:50):

Linking soil water adsorption to geotechnical engineering properties II: physics principles

Reference: Lu, N. "Linking soil water adsorption to geotechnical engineering properties." Geotechnical Fundamentals for Addressing New World Challenges. Springer, Cham, 2019. 93-139.

第4讲 (9月23日，上午10:00-10:45):

Linking soil water adsorption to geotechnical engineering properties IIII: physicochemical and geotechnical properties

Reference: Lu, N. "Linking soil water adsorption to geotechnical engineering properties." Geotechnical Fundamentals for Addressing New World Challenges. Springer, Cham, 2019. 93-139.

第5讲 (9月30日，上午9:00-9:50):

Soil sorptive potential: concept, theory, and verification

Reference: Lu, N., and C. Zhang. "Soil sorptive potential: Concept, theory, and verification." J. of Geotech. and Geoenv. Eng. 145.4 (2019): 04019006.

第6讲 (9月30日，上午10:00-10:45):

Soil sorptive potential: experimental validation and determination

Reference: Zhang, C., and N. Lu. "Soil sorptive potential: Its determination and predicting soil water density." J. of Geotech. and Geoenv. Eng. 146.1 (2020): 04019118.

第7讲 (10月7日，上午9:00-9:50):

Soil sorptive potential: vapor sorption isotherm theory: BET theory

Reference： Zhang, C., and N. Lu. "Augmented Brunauer–Emmett–Teller equation for water adsorption on soils." Vadose Zone J. 18.1 (2019): 1-12.

第8讲 (10月7日，上午10:00-10:45):

Soil sorptive potential: vapor sorption isotherm theory: augmented BET theory

Reference: Lu, N., and C. Zhang. "Separating external and internal surface areas of soil particles." J. of Geotech. and Geoenv. Eng. 146.2 (2020): 04019126.

第9讲 (10月14日，上午9:00-9:50):

Soil physicochemical properties: specific surface area

Reference: Khorshidi, M., et al. "Intrinsic relationship between specific surface area and soil water retention." J. of Geotech. and Geoenv. Eng. 143.1 (2017): 04016078.

第10讲 (10月14日，上午10:00-10:45): 

Soil physicochemical properties: cation exchange capacity

References:  Khorshidi, M., and N. Lu. "Intrinsic relation between soil water retention and cation exchange capacity." J. of Geotech. and Geoenv. Eng. 143.4 (2017): 04016119.

Khorshidi, M., and N. Lu. "Determination of cation exchange capacity from soil water retention curve." J. of Eng. Mechan. 143.6 (2017): 04017023.

Khorshidi, M., and N. Lu. "Quantification of exchangeable cations using soil water retention curve." J. of Geotech. and Geoenv. Eng. 143.9 (2017): 04017057.

第11讲 (10月21日，上午9:00-9:50): 

General soil water retention curve: capillary vs adsorption

References:

Revil, A., and N. Lu. "Unified water isotherms for clayey porous materials." Water Resources Research 49.9 (2013): 5685-5699.

Lu, N. "Generalized soil water retention equation for adsorption and capillarity." J. of Geotech. and Geoenv. Eng. 142.10 (2016): 04016051.

第12讲 (10月21日，上午10:00-10:45):

Soil sorptive potential: soil water sorption hysteresis mechanism

Reference: Lu, N., and M. Khorshidi. "Mechanisms for soil-water retention and hysteresis at high suction range." J. of Geotech. and Geoenv. Eng. 141.8 (2015): 04015032. 

第13讲 (10月28日，上午9:00-9:50):

Soil effective stress: classical theories of Terzhaghi, Bishop, and Fredlund and Morgenstein

References: Fredlund, D. G., and N. R. Morgenstern. "Stress state variables for unsaturated soils." J. of Geotech. and Geoenv. Eng. 103.ASCE 12919 (1977).

Khalili, N., F. Geiser, and G. E. Blight. "Effective stress in unsaturated soils: Review with new evidence." Int. J. of Geomech. 4.2 (2004): 115-126.

Lu, N.. "Is matric suction a stress variable?." J. of Geotech. and Geoenv. Eng. 134.7 (2008): 899-905.

第14讲 (10月28日，上午10:00-10:45):

Soil effective stress: contemporary theory of Lu et al.-suction stress characteristics curve

Reference:  Lu, N., and W. J. Likos. "Suction stress characteristic curve for unsaturated soil." J. of Geotech. and Geoenv. Eng. 132.2 (2006): 131-142.

Lu, N., J. W. Godt, and David T. Wu. "A closed‐form equation for effective stress in unsaturated soil." Water Resources Research 46.5 (2010).

Lu, N., et al. "Tensile strength of unsaturated sand." J. of Eng. Mech. 135.12 (2009): 1410-1419.

第15讲 (11月11日，上午9:00-9:50):

Soil effective stress: unified theory for capillary and adsorption

Reference: Zhang, C., and N. Lu. "Unified effective stress equation for soil." J. of Eng. Mech. 146.2 (2020).

第16讲 (11月11日，上午10:00-10:45):Soil effective stress: determination by shear and tensile strength, by soil water retention, and by soil shrinkage behavior

References: Oh, S., et al. "Experimental validation of suction stress characteristic curve from nonfailure triaxial K₀ consolidation tests." J. of Geotech. and Geoenv. Eng. 139.9 (2013): 1490-1503.

Lu, N., and M. Kaya. "A drying cake method for measuring suction-stress characteristic curve, soil–water-retention curve, and hydraulic conductivity function." Geotech. Testing J.l 36.1 (2013): 1-19.

Lu, N., M. Kaya, and J. W. Godt. "Interrelations among the soil-water retention, hydraulic conductivity, and suction-stress characteristic curves." J. of Geotech. and Geoenv. Eng. 140.5 (2014): 04014007.

第17讲 (11月18日，上午9:00-9:50):

Soil effective stress: soil shrinkage behavior

References: Dong, Y., and N. Lu. "Measurement of suction-stress characteristic curve under drying and wetting conditions." Geotech. Testing J. 40.1 (2017): 107-121.

Chen, P., and N. Lu. "Generalized equation for soil shrinkage curve." J. of Geotech. and Geoenv. Eng 144.8 (2018): 04018046.

Dong, Y., N. Lu, and P. J. Fox. "Drying-induced consolidation in soil." J. of Geotech. and Geoenv. Eng. 146.9 (2020): 04020092.

第18讲 (11月18日，上午10:00-10:45): 

Soil water potential: concepts, physical basis, general forms, and challenges

References: Khorshidi, M., N. Lu, and A. Khorshidi. "Intrinsic relationship between matric potential and cation hydration." Vadose Zone J. 15.11 (2016): 1-12.

Zhang, C., and N. Lu. "What is the range of soil water density? Critical reviews with a unified model." Reviews of Geophysics 56.3 (2018): 532-562.

Zhang, C., and N. Lu. "Unitary definition of matric suction." J. of Geotech. and Geoenv. Eng. 145.2 (2019).

Lu, N.. "Revisiting axis translation for unsaturated soil testing." J. Geotech. Geoenviron. Eng. 145.7 (2019): 02819001.