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Effect of Polymeric Agent on the Strength and Water Stability of Cement-Stabilized Construction Waste Soil

Author

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  • Haoran Li

    (College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China)

  • Peiwei Gao

    (College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China)

  • Chen Zhang

    (College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China)

  • Shipeng Guo

    (College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China)

  • Jun Zhang

    (College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
    College of Aeronautical Engineering, Air Force Engineering University, Xi'an 710043, China)

Abstract

Due to the large output of construction waste soils, it has become an enormous challenge for human society and the ecological environment. The purpose of this paper is to discuss the possibility of using a stabilized waste soil in road engineering. Cement and polymer stabilizers were added to the waste soil, and the effect of the stabilizer on the strength and water stability of the stabilized soil was studied. The structure and morphology of the specimens were analyzed using an X-ray diffractometer (XRD) and a scanning electron microscope (SEM). The results show that the unconfined compressive strength increases by 25.0% and the 28-day water stability coefficient, K increases by 59.6% after the addition of the stabilizer. The XRD curve shows that the addition of the new stabilizer does not produce a new characteristic peak, but the diffraction peak strength of some minerals can be improved. SEM shows that the surface of stabilized soil particles is covered by materials, and the particles show obvious agglomeration, forming a network structure, which improves the strength and water stability of the soil.

Suggested Citation

  • Haoran Li & Peiwei Gao & Chen Zhang & Shipeng Guo & Jun Zhang, 2023. "Effect of Polymeric Agent on the Strength and Water Stability of Cement-Stabilized Construction Waste Soil," Sustainability, MDPI, vol. 15(21), pages 1-12, November.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:21:p:15571-:d:1273065
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    References listed on IDEAS

    as
    1. Shengnian Wang & Xingjin Zhang & Peng Zhang & Zewei Chen, 2023. "Strength Performance and Stabilization Mechanism of Fine Sandy Soils Stabilized with Cement and Metakaolin," Sustainability, MDPI, vol. 15(4), pages 1-17, February.
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