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A Review of Efficient and Low-Carbon Pile Technologies for Extra-Thick Soft Strata

Author

Listed:
  • Chaozhe Zhang

    (Institute of Geotechnical Engineering, School of Transportation, Southeast University, Nanjing 211189, China)

  • Jianyong Han

    (School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China)

  • Songyu Liu

    (Institute of Geotechnical Engineering, School of Transportation, Southeast University, Nanjing 211189, China)

  • Zhenglong Cao

    (Shandong Provincial Airport Management Group Co., Ltd., Jinan 250107, China)

  • Chen Jiang

    (Jiangsu Provincial Transportation Engineering Construction Bureau, Nanjing 210004, China)

  • Xuhan Diao

    (Shandong Provincial Airport Management Group Co., Ltd., Jinan 250107, China)

  • Guangwei Chen

    (Jiangsu Provincial Transportation Engineering Construction Bureau, Nanjing 210004, China)

  • Li Tian

    (School of Civil Engineering, Shandong University, Jinan 250061, China)

Abstract

With the development of urban underground space and increased infrastructure functions, both the scale of engineering construction and engineering difficulties have increased globally. In the construction of structures in soft strata, especially in coastal areas, the limited bearing capacity of the foundations poses a significant challenge. The composite pile technologies employing an organic combination of the rigid pile andthe flexible column can enable efficient soft ground treatment. In light of prominent global environmental issues, low-carbon energy-saving curing technologies have been rapidly developed for application in geotechnical engineering. This paper discusses progress in research on the mechanical properties of the efficient and low-carbon pile technologies, including the stiffened deep mixing (SDM) column, squeezed branch pile, pre-bored grouting plated nodular (PGPN) pile, precast cement pile reinforced by cemented soil with a variable section (PCCV), and carbonized composite pile (CCP). In addition, it reviews the technical characteristics and recent progress of feasible low-carbon energy-efficient curing technologies. The paper also proposes future directions for theoretical research and technological development of low-carbon pile technologies. The key contribution of this review is to provide insights into efficient and low-carbon pile technologies. In addition, the findings from the study of the pile technologies used in extra-thick soft strata also provide industry practitioners with a comprehensive guide regarding the specific applications and mechanical performance of the pile technologies, which can serve as a stepping stone to facilitate the technological development of the underground space industry.

Suggested Citation

  • Chaozhe Zhang & Jianyong Han & Songyu Liu & Zhenglong Cao & Chen Jiang & Xuhan Diao & Guangwei Chen & Li Tian, 2023. "A Review of Efficient and Low-Carbon Pile Technologies for Extra-Thick Soft Strata," Energies, MDPI, vol. 16(6), pages 1-23, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:6:p:2836-:d:1101095
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    References listed on IDEAS

    as
    1. Wenbing Wu & Yunpeng Zhang, 2022. "A Review of Pile Foundations in Viscoelastic Medium: Dynamic Analysis and Wave Propagation Modeling," Energies, MDPI, vol. 15(24), pages 1-24, December.
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