...Xi Xiong; Shun-ichi Kobayashi; Hiroyuki Izumi; Feng Zhang Microporous membrane (MM) filters with a significantly thin thickness have recently been used as an alternative to ceramic disks for matric suction control in the axis-translation technique for element tests on unsaturated soils. Although...

...Tufail Ahmad; Riko Kato; Jiro Kuwano Matric suction is a crucial parameter that affects how unsaturated soils behave in terms of shear strength. Understanding it is essential for solving geotechnical problems like the stability of unsaturated soil slopes, foundations, embankments, and retaining...

... repository and confirm that a temperature-dependent hysteretic SWRC with scanning paths is required to accurately capture the bentonite response. 12 03 2022 11 07 2022 21 09 2022 bentonite coupled heat transfer and water flow unsaturated soil physical modeling soil–water retention...

... Fredlund, D. G., H. Rahardjo, and M. D. Fredlund. 2012. Unsaturated Soil Mechanics in Engineering Practice. Hoboken, NJ: John Wiley & Sons. Gatabin, C. and P. Billaud. 2005. Bentonite THM Mock-Up Experiments: Sensors Data Report, Technical Report, Rapport NTDPC/SCCME 05-300-A. Paris: Commissariat à l...

... and multiple soil specimens testing were not significant. Corrections applied to the water volume change measurements were found to minimize these differences. Keywords laboratory testing, unsaturated soil, collapsible soil, soil water characteristic curve Copyright © 2021 by ASTM International, 100 Barr...

...Kwestan Salimi; Amy B. Cerato; Farshid Vahedifard; Gerald A. Miller The tensile strength of unsaturated soils is a critical factor controlling the initiation and propagation of desiccation cracks, which can threaten the structural integrity of natural and man-made earthen structures and slopes...

...Paul Francois le Roux; Schalk Willem Jacobsz The soil-water retention curve (SWRC) describes the relationship between the soil matric suction and the water content of an unsaturated soil. It is an essential tool in geotechnical engineering and agriculture and is, for example, used in the analysis...

...Harianto Rahardjo; Yuanjie Shen; Daryl Lee Tsen-Tieng; Johnatan Ramos-Rivera; Xue-Feng Nong; Abdul Halim Hamdany Climatic variations induce negative pore-water pressure or soil suction oscillations in unsaturated soil with daily and seasonal cycles. The dramatic suction changes of unsaturated soil...

...T. A. V. Gaspar; S. W. Jacobsz The tensile strength of soil is often neglected. Because of the presence of matric suction, unsaturated soils may have substantial tensile strengths with implications for a range of geotechnical problems, such as slope stability, bearing capacity, and the integrity...

... critical temperature, a consistent, universally accepted, procedural-based method is needed for the measurement or determination of the critical temperature. 30 10 2019 17 07 2020 21 10 2020 soil critical temperature coupled heat and moisture transfer unsaturated soil...

... 2020 04 03 2020 unsaturated soil suction stress soil shrinkage soil-water retention curve relative humidity vapor equilibrium high suction molecular sieve References Abou Najm , M. , Mohtar   R. H. , Weiss   J. , and Braudeau   E. . 2009 . “ Assessing...

...Lin Li; Peng Li 06 06 2019 02 01 2020 01 04 2020 unsaturated soil triaxial test volume change photogrammetry-based method multi-camera photogrammetric method References GDS Instruments. 2009 . “ Unsaturated Triaxial Testing of Soil (UNSAT) .” GDS Instruments...

...Hua Li; Tonglu Li; Ruijun Jiang; Yu Wang; Yaguo Zhang The soil–water characteristic curve (SWCC) and hydraulic conductivity function (HCF) are widely used to study the hydraulic conductivity behavior of unsaturated soil. This article proposes a filter paper–based instantaneous profile method...

...Ali Pirjalili; Amir Akbari Garakani; Aliakbar Golshani; Ali Mirzaii A suction-controlled ring device has been developed to continuously measure the coefficient of lateral soil pressure in deformable unsaturated soil samples from the at-rest to the active condition under application of increasing...

...Mohammed Al-Khazaali; Sai K. Vanapalli Comprehensive experimental and numerical models are required for reliable investigation of unsaturated soil-structure interaction problems. In this study, a reliable testing technique and a numerical modeling methodology were developed to study the performance...

...Sajjad Vaseghi Maghvan; Reza Imam; John S. McCartney This article focuses on evaluating the load–settlement response of circular footings on unsaturated soil layers improved with stone columns using 1-gravity (1- g ) physical modeling experiments. The initial (preloading) conditions in the soil...

...Reza Ahmadi-Naghadeh; Nabi Kartal Toker A new procedure for the preparation of low-plasticity silt specimens that are isotropically reconstituted from slurry is developed for use in both saturated and unsaturated soil testing. Spatial variations of the water content and grain size distribution were...

.... 24 07 2015 24 07 2017 05 01 2018 shear strength triaxial test unsaturated soil tensiometer direct shear test References ASTM D422 Standard Test Method for Particle-Size Analysis of Soils (Withdrawn 2016), ASTM International , West Conshohocken, PA , www.astm.org...

... unsaturated soil soil–water characteristic curve centrifuge suction axis-translation method chilled mirror References ASTM D1140-92 1997 , Standard Test Methods for Amount of Material in Soils Finer than the No. 200 (75-μm) Sieve (Superseded), ASTM International , West Conshohocken, PA...

...Longtan Shao; Tiande Wen; Xiaoxia Guo; Xiang Sun Numerous methods, such as the Gardner outflow analysis method and the van Genuchten-Mualem prediction model, have been developed to estimate the hydraulic conductivity of unsaturated soil in multistep outflow experiments. In the Gardner outflow...