Dynamic response and pore evolution mechanism of composite improved loess using an eco-friendly curing agent and cement: a macroscopic and microscopic experimental study.

Xiangming Lv, Chongliang Luo, Baocheng Wang, Fei Ma, Xin Wang, Yangyang Wei, Junjie Wu

Abstract read

In one paragraph

Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Xiangming LvSchool of Civil Engineering, Tianshui Normal University, Gansu, Tianshui, 741000, China.

Chongliang LuoSchool of Civil Engineering, Tianshui Normal University, Gansu, Tianshui, 741000, China. luochongliang@tsnu.edu.cn.

Baocheng WangSchool of Civil Engineering, Lanzhou Bowen University of Science and Technology, Gansu, Lanzhou, 730101, China.

Fei MaSchool of Civil Engineering, Tianshui Normal University, Gansu, Tianshui, 741000, China.

Xin WangSchool of Civil Engineering, Tianshui Normal University, Gansu, Tianshui, 741000, China.

Yangyang WeiSchool of Civil Engineering, Tianshui Normal University, Gansu, Tianshui, 741000, China.

Junjie WuSchool of Civil Engineering, Tianshui Normal University, Gansu, Tianshui, 741000, China.

Funding

Innovative Research Group Project of the National Natural Science Foundation of China 52068063the Innovation Fund Project of Gansu Provincial Universities 2022A-107the Innovation Fund Project of Gansu Provincial Universities 2025A-150the School - level Project of Lanzhou Bowen University of Science and Technology 2025BWKY029the Scientific Research Project of "Young Doctor Fund" of Gansu Provincial Universities 2026QB-082the Special Project for the Construction of Scientific Research and Innovation Platforms of Tianshui Normal University in 2023 PTJ2023-07

6 · The paper itself

Abstract

To address the loose structure and insufficient dynamic stability of collapsible loess subgrades in Gangu, Gansu Province, as well as the engineering and environmental concerns associated with conventional stabilizers (high energy consumption and carbon emissions), this study proposes a composite stabilization strategy using an eco-friendly curing agent (EFCA) and P·O 42.5 Portland cement. Unconfined compressive strength (UCS) tests and dynamic triaxial tests were performed, and scanning electron microscopy (SEM) image processing together with fractal theory was employed to systematically elucidate the macroscopic dynamic response and the microscopic pore-reconstruction and evolution mechanisms of the composite-improved loess. The results indicate that the optimal mix proportion determined by an orthogonal design is "6% cement + 0.02% curing agent", yielding a 28-day UCS of 2.51 MPa, which is 483% higher than that of the untreated loess. The dynamic resilient modulus (E

Indexed as

Collapsible loessDynamic constitutive prediction modelDynamic resilient modulusEco-friendly curing agentFractal dimensionMicrostructural evolution

Identifiers

PMID42203831

DOI10.1038/s41598-026-53419-1

PMCPMC13443887

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.