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Experimental Investigations on the Tensile Mechanical Behavior of HDPE Geocell Strip

Author

Listed:
  • Zheng Zuo

    (CHN Energy Technology & Economics Research Institute, Beijing 102211, China)

  • Xiuqiang Hao

    (CHN Energy Technology & Economics Research Institute, Beijing 102211, China)

  • Huiqiang Li

    (CHN Energy Technology & Economics Research Institute, Beijing 102211, China)

  • Wei Wang

    (CHN Energy Technology & Economics Research Institute, Beijing 102211, China)

  • Guangqing Yang

    (School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China)

  • Ying Liu

    (Research Institute of Highway, Ministry of Transport, Beijing 100088, China)

Abstract

Geocells are commonly adopted in various engineering constructions, such as railways and ports. Currently, the reinforcement effects and mechanisms of geocells in engineering is being widely studied, while limited studies have been performed on the mechanical behavior of geocell strips. Uncertainties regarding their performance have impeded the wide application of geocells in engineering fields. In this paper, a series of tensile tests and trapezoidal tests were performed on high-density polyethylene (HDPE) geocell strips. The effects regarding specimen shape, specimen width, and welding junction on the tensile mechanical behavior of HDPE geocell strips were investigated. Additionally, the results of the tensile test and trapezoidal test were also compared. The test results showed that the tensile strength of a HDPE geocell strip was less affected by the specimen shape and specimen width, within 5%. However, the elongation of HDPE strips was sensitive to the specimen shape, and the difference between type I dumbbell and type II rectangular was up to 38%. The effect of the welding junction on the HDPE strip cannot be ignored, the strength retention rate of the welding junction was 76.3%. The curve of the trapezoidal test was similar to that of the tensile test, and the force of trapezoidal test was 0.87 times that of the tensile test. The test results can provide a reference for the testing of strip performance and structural design.

Suggested Citation

  • Zheng Zuo & Xiuqiang Hao & Huiqiang Li & Wei Wang & Guangqing Yang & Ying Liu, 2023. "Experimental Investigations on the Tensile Mechanical Behavior of HDPE Geocell Strip," Sustainability, MDPI, vol. 15(10), pages 1-16, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:10:p:7820-:d:1143718
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    References listed on IDEAS

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    1. Gaofeng Song & Xiaoruan Song & Shiqin He & Dezhong Kong & Shuai Zhang, 2022. "Soil Reinforcement with Geocells and Vegetation for Ecological Mitigation of Shallow Slope Failure," Sustainability, MDPI, vol. 14(19), pages 1-12, September.
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    Cited by:

    1. Zheng Zuo & Xiuqiang Hao & Huiqiang Li & Wei Wang & Guangqing Yang & Ying Liu, 2023. "Effect of the Slit on the Mechanical Tearing Behavior of High-Density Polyethylene and Polyester Geocell Strips," Sustainability, MDPI, vol. 15(18), pages 1-17, September.
    2. Wei Guo & Thanh T. Nguyen, 2023. "Recent Advancements in Geosynthetic Engineering for Sustainable Construction," Sustainability, MDPI, vol. 15(15), pages 1-3, August.

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    1. Zheng Zuo & Xiuqiang Hao & Huiqiang Li & Wei Wang & Guangqing Yang & Ying Liu, 2023. "Effect of the Slit on the Mechanical Tearing Behavior of High-Density Polyethylene and Polyester Geocell Strips," Sustainability, MDPI, vol. 15(18), pages 1-17, September.

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