Analysis of seismic performance of the light-gauge steel and jute fiber bio-based panel composite wall

Abstract

Abstract: In order to promote the application of bio-based fiber materials in green prefabricated ecological village houses, jute fiber bio-based panels are used as the cladding materials of the light-gauge steel wall to form prefabricated composite wall. The elastic modulus and static bending strength of jute fiber bio-based panels were measured through physical and chemical properties experiment and SEM experiment, and the microstructure composition of the panel was analyzed. The simplified calculation model of composite wall based on semi-rigid node connection was established by using ANSYS/Structural finite element software, and the influence of different panel thickness on the seismic energy dissipation performance of composite wall was analyzed. The results show that the elastic modulus and static bending strength of the jute fiber bio-based panel are much greater than that of the traditional OSB panel. Increasing the thickness of the jute fiber bio-based panel can enhance the plastic deformation ability of the composite wall, reduce the extent of stiffness degradation, and increase the residual stiffness. The combined wall has better seismic performance and energy dissipation capacity.

Key words: light-gauge steel wall, bio-based panel, stiffness degradation, anti-vibration energy consumption

CLC Number:

TU392.1

WU Chang, CHEN Xing-hong, LIU Jia-le. Analysis of seismic performance of the light-gauge steel and jute fiber bio-based panel composite wall[J]. Journal of Lanzhou University of Technology, 2022, 48(5): 126-133.

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