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Research on a New Plant Fiber Concrete-Light Steel Keel Wall Panel

Author

Listed:
  • Yuqi Wu

    (School of Mechanics and Civil Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Yunqiang Wu

    (Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
    Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin 150090, China)

  • Yue Wu

    (Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
    Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin 150090, China)

Abstract

With the growing worldwide attention towards environmental protection, the rational utilization of rice straw (RS) has gradually attracted the attention of scholars. This paper innovatively puts forward a solution for rational utilization of RS. A rice straw fiber concrete (RSFC) with good physical and mechanical properties and a rice straw concrete-light steel keel wall panel (RS-LSWP) with low comprehensive heat transfer coefficient and inconspicuous cold bridge phenomenon was designed. Firstly, the preparation method and process of RSFC is described in detail. Then, the physical and mechanical properties of RSFC, such as strength, apparent density, and thermal conductivity were tested. Finally, the thermal properties of the four new types of cold-formed thin-wall steel panels were analyzed using finite element simulation. The results show that the RSFC with a straw length of 5 mm, mass content of 12%, and modifier content of 1% is the most suitable for RS-LSWP. The standard compressive strength, tensile strength, and thermal conductivity of the RSFC are 2.2 MPa, 0.64 MPa, and 0.0862 W/(m·K), respectively. The wall panels with antitype C keel have a low comprehensive heat transfer coefficient and the best insulation effect. This study innovatively provides a technical method for the rational utilization of RS, promotes the application of RS and other agricultural wastes in building materials and the development of light steel housing.

Suggested Citation

  • Yuqi Wu & Yunqiang Wu & Yue Wu, 2023. "Research on a New Plant Fiber Concrete-Light Steel Keel Wall Panel," Sustainability, MDPI, vol. 15(10), pages 1-22, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:10:p:8109-:d:1148482
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    References listed on IDEAS

    as
    1. Suchat Tachaudomdach & Sakda Hempao, 2022. "Investigation of Compression Strength and Heat Absorption of Native Rice Straw Bricks for Environmentally Friendly Construction," Sustainability, MDPI, vol. 14(19), pages 1-15, September.
    2. Feraidon Ataie, 2018. "Influence of Rice Straw Fibers on Concrete Strength and Drying Shrinkage," Sustainability, MDPI, vol. 10(7), pages 1-13, July.
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