Enzyme-induced calcium carbonate precipitation treated loess fly ash-based geopolymer for airport slope stabilization: evaluation of wetting deformation and vibratory disintegration

Case Studies in Construction Materials, Journal Year: 2025, Volume and Issue: unknown, P. e04345 - e04345

Published: Jan. 1, 2025

Language: Английский

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Disintegration characteristics of undisturbed loess in response to train vibration frequency

Earth Surface Processes and Landforms, Journal Year: 2025, Volume and Issue: 50(1)

Published: Jan. 1, 2025

Abstract Disintegration fragments the loess body, causing erosion and emergence of significant geohazards. The impact vibrations on soil disintegration has been slightly documented; however, contribution mechanism train vibration frequency in undisturbed remain unclear. In this study, were monitored situ, resulting vibrational parameters used tests using a customised vibration‐disintegration apparatus. changes meso‐parameters disintegrated aqueous solutions quantified, microstructural differences residual after compared under non‐vibrating vibrating conditions. results revealed that progressively diminished with increasing distance from track, dominant frequencies ranging 17 to 49 Hz. Increasing accelerated enhanced dispersion fragments. Notably, acceleration effect was particularly pronounced early stages frequency, it tended plateau above 15 relationship between velocity ( DV ) influenced by initial water content can be expressed as power function variables. Vibrations accelerate primarily attributed repetitive particle displacement free pores which lead frictional damage weakly cemented structure pore expansion. Higher generate greater inertial forces facilitate more frequent jumps, allowing reach threshold conditions readily than at lower frequencies. These findings provide theoretical value for prevention mitigation water‐induced geohazards land degradation environments.

Language: Английский

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Machine Learning Optimization of KOH Treatment Parameters for Enhanced Tensile Strength and Cellulose Content in Sisal Fibers: A Synergistic Approach

Materials Today Communications, Journal Year: 2025, Volume and Issue: unknown, P. 112307 - 112307

Published: March 1, 2025

Language: Английский

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Experimental study on shear strength and creep properties of loess modified by microbially induced calcium carbonate precipitation (MICP) under freeze-thaw cycles

Case Studies in Construction Materials, Journal Year: 2024, Volume and Issue: 22, P. e04119 - e04119

Published: Dec. 16, 2024

Language: Английский

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