Study on shear strength and structure of Malan loess under wetting–drying cycles

Article Engineering, Civil

Preloading Model on Soft Soil with Inclusion Thermal Induction Vertical and Incline Types

Maraden Panjaitan et al.

Summary: The study used preloading and thermal induction to alter the properties of soft clay, and the experimental results showed that under inclined induction at 400 degrees Celsius, the soft clay transformed into a medium condition.

CIVIL ENGINEERING JOURNAL-TEHRAN (2021)

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Article Soil Science

Estimating soil porosity and pore size distribution changes due to wetting-drying cycles by morphometric image analysis

Jocenei A. T. de Oliveira et al.

Summary: The study found that wetting and drying cycles can alter the pore distribution in soils, with the minimum tillage management showing the most significant changes in soil physical properties. This indicates that the response of soils to wetting and drying cycles varies depending on the management system applied, affecting water retention and movement in the soil porous system.

SOIL & TILLAGE RESEARCH (2021)

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Article Materials Science, Multidisciplinary

Effect of Dry-Wet Cycles and Freeze-Thaw Cycles on the Antierosion Ability of Fiber-Reinforced Loess

Changgen Yan et al.

Summary: Compared with plain soil, polypropylene fiber-reinforced soil has significantly improved mechanical properties and can be used in slope protection projects. The reduction in antierosion ability parameters of the reinforced soil under dry-wet cycles and freeze-thaw cycles was less compared to plain soil, with the internal friction angle showing the most obvious decrease. As the number of cycles increased, the cohesion and internal friction angle decreased while the disintegration rate and permeability coefficient increased.

ADVANCES IN MATERIALS SCIENCE AND ENGINEERING (2021)

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Article Engineering, Geological

Time-Dependent Deformation Characteristics of Unsaturated Sand-Bentonite Mixture under Drying-Wetting Cycles

Zahra Esfandiari et al.

Summary: This study investigated the primary consolidation and creep characteristics of unsaturated sand-bentonite mixtures under drying-wetting cycles through extensive laboratory testing. The results showed that hydraulic loading did not affect the elastic compressibility indexes of the tested mixtures, and hydraulic loading stimulated hardening behavior and a decrease in creep index at all suction values. The study also calibrated a model to determine the creep index of unsaturated soils by considering stress state and matric suction.

JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING (2021)

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Article Geosciences, Multidisciplinary