Experimental Study on Compressibility and Microstructure of Loess Solidified by Permeable Polymer

Guo, Chengchao; Yang, Xiaodong; Zhao, Weifan

doi:10.1007/s12205-024-0497-6

KSCE Journal of Civil Engineering

2024

DOI: 10.1007/s12205-024-0497-6

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Experimental Study on Compressibility and Microstructure of Loess Solidified by Permeable Polymer

Chengchao Guo,

Xiaodong Yang,

Weifan Zhao

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Cited by 4 publications

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Mechanical properties and micro-mechanisms of geopolymer solidified salinized loess

Yang,

Hu,

Wang

et al. 2024

Construction and Building Materials

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Mechanical properties and micro-mechanisms of geopolymer solidified salinized loess

Yang,

Hu,

Wang

et al. 2024

Construction and Building Materials

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Bioretention cells filled with epoxy resin-modified loess for stormwater purification

Zhuo,

Zhou,

Xiong

2025

Separation and Purification Technology

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Macro–Micro Properties of Remodeled Waste Slurry Under Freeze–Thaw Cycles

Wang,

Xiong,

Huang

et al. 2025

Materials

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Waste slurry, a major by-product of urban construction, is produced in rapidly increasing volumes each year. Dehydrated waste slurry has potential as a roadbed material; however, its performance in freeze–thaw environments, which can induce frost heave and thaw settlement, and the mechanism of the influence of freeze–thaw cycles on its macro and micro properties are still unclear and need thorough investigation. This study explores the macroscopic and microscopic properties of waste slurry subjected to freeze–thaw cycles. We conducted unconfined compressive strength (UCS) and triaxial unconsolidated undrained (UU) shear tests, focusing on fissure compaction, elastic deformation, plastic yielding, and strain hardening stages. The results reveal a decrease in strength and elastic modulus with increasing freeze–thaw cycles, as well as in the damage degree generated by freeze–thaw cycles. To uncover the underlying microscopic mechanisms, we performed Scanning Electron Microscopy (SEM), X-ray diffraction (XRD), and mercury intrusion porosimetry (MIP) analyses. These tests highlighted the evolution of pores and microcracks during freeze–thaw cycles. These results have important reference values for the reutilization of waste slurry discharged from large-diameter bored piles for roadbed backfill materials that need to be repaired quickly in seasonally frozen areas.

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Experimental Study on Compressibility and Microstructure of Loess Solidified by Permeable Polymer

Cited by 4 publications

References 47 publications

Mechanical properties and micro-mechanisms of geopolymer solidified salinized loess

Mechanical properties and micro-mechanisms of geopolymer solidified salinized loess

Bioretention cells filled with epoxy resin-modified loess for stormwater purification

Macro–Micro Properties of Remodeled Waste Slurry Under Freeze–Thaw Cycles

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