Microstructural evolution of expansive clay during drying–wetting cycle
Sign Up to like & getrecommendations! Published in 2020 at "Acta Geotechnica"
DOI: 10.1007/s11440-020-00938-4
Abstract: This paper presents a comprehensive investigation on the microstructural evolutions of expansive clay during a drying–wetting cycle, including pore size distribution (PSD) via mercury intrusion porosimetry and water distribution via nuclear magnetic resonance (NMR). The… read more here.
Keywords: expansive clay; water; cycle; drying wetting ... See more keywords
Experimental and analytical investigation on frost heave characteristics of an unsaturated moderately expansive clay
Sign Up to like & getrecommendations! Published in 2018 at "Cold Regions Science and Technology"
DOI: 10.1016/j.coldregions.2018.08.023
Abstract: Abstract Expansive clay, a kind of clayey soil, is widely distributed in seasonally frozen regions. Numerous studies have attempted to explain the frost heave characteristics of clayey soils, but few of them have paid attention… read more here.
Keywords: expansive clay; heave characteristics; frost heave; characteristics unsaturated ... See more keywords
Impact of placement and field conditions on hydraulic conductivity and lifetime of liners
Sign Up to like & getrecommendations! Published in 2021 at "Journal of King Saud University - Science"
DOI: 10.1016/j.jksus.2021.101410
Abstract: Abstract The sand-expansive clay liners have a wide application in geoenvironmental and geotechnical projects as hydraulic barriers or cover layers in waste management systems. The flow and mass variations have a significant effect on the… read more here.
Keywords: expansive clay; conductivity; sand expansive; hydraulic conductivity ... See more keywords
NMR-based analysis of shear strength of weakly expansive clay in sodium chloride solution.
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic resonance imaging"
DOI: 10.1016/j.mri.2019.01.002
Abstract: A series of direct shear and nuclear magnetic resonance (NMR) tests were performed on a compacted weakly expansive clay saturated by sodium chloride (NaCl) solutions with different concentrations to study the effect of NaCl solution… read more here.
Keywords: shear strength; solution; weakly expansive; expansive clay ... See more keywords
Influence of wetting–drying cycles on swell–shrink behaviour of GPA-reinforced expansive clay beds
Sign Up to like & getrecommendations! Published in 2019 at "Geomechanics and Geoengineering"
DOI: 10.1080/17486025.2019.1634288
Abstract: ABSTRACT Granular pile-anchor (GPA) technique is an innovative tension-resistant foundation technique which can effectively ward off the dual swell–shrink problem posed by expansive clays. The other tension-resistant foundation techniques are drilled piers, belled piers and… read more here.
Keywords: expansive clay; wetting drying; clay; clay beds ... See more keywords
Laboratory investigation of the treatment effects by hydraulic binders on the physical and mechanical properties of an overconsolidated expansive clay
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Geotechnical Engineering"
DOI: 10.1080/19386362.2017.1376816
Abstract: Abstract This paper presents and analyses a series of laboratory test results of physical and mechanical characterisation obtained on an overconsolidated expansive clay treated by locally manufactured hydraulic binders (composed Portland cement and extinct lime).… read more here.
Keywords: expansive clay; overconsolidated expansive; treatment; physical mechanical ... See more keywords
Mechanical properties of expansive clay stabilized with lignosulphonate
Sign Up to like & getrecommendations! Published in 2018 at "Quarterly Journal of Engineering Geology and Hydrogeology"
DOI: 10.1144/qjegh2017-050
Abstract: In this research, a by-product of paper and timber industries, lignosulphonate (LS), was used to enhance the properties of expansive clay. Laboratory tests included Atterberg limits, Proctor compaction, unconfined compressive strength (UCS), free swell and… read more here.
Keywords: strength; stabilization; expansive clay; properties expansive ... See more keywords
Micro to Nanolevel Stabilization of Expansive Clay Using Agro-Wastes
Sign Up to like & getrecommendations! Published in 2023 at "Advances in Civil Engineering"
DOI: 10.1155/2023/2753641
Abstract: The circular economy encourages the production and consumption of sustainable embankment geomaterials and their blends utilizing recycled waste materials in roads, railway tracks, airfields, and underground structures. Geomaterials comprising high-plastic soft expansive clay pose excessive… read more here.
Keywords: rha rha; agro wastes; expansive clay; micro nanolevel ... See more keywords