|Table of Contents|

Experimental study on vibration performance of cold-formed thin-walled steel beam-cement fiberboard composite floors(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2025年06期
Page:
46-56
Research Field:
建筑结构
Publishing date:

Info

Title:
Experimental study on vibration performance of cold-formed thin-walled steel beam-cement fiberboard composite floors
Author(s):
WANG Liping1; 2;  PANG Weixu1;  ZHOU Boyang1;  LI Jian1
(1. School of Civil Engineering, Central South University, Changsha 410075, Hunan, China; 2. Engineering Technology Research Center for Prefabricated Construction Industrialization of Hunan Province, Changsha 410075, Hunan, China)
Keywords:
cold-formed thin-walled steel beam composite floor;  cement fiberboard;  vibration test;  finite element analysis;  vibration performance
PACS:
TU398.9
DOI:
10.19815/j.jace.2024.10072
Abstract:
In order to study the vibration performance of cold-formed thin-walled steel beam-cement fiberboard composite floors, the full-scale specimens of the composite floors were tested and analyzed by the finite element(FE)method using ABAQUS. The test and FE results were compared to verify the rationality of the FE model. Based on the test results, the natural frequency of the cold-formed thin-walled steel beam cement fiberboard composite floor, the vibration response of the composite floor under different working conditions and the variation characteristics of the vibration comfort of the composite floor were analyzed. The finite element software ABAQUS was further used to analyze the parameters of the composite floor model, and the effects of boundary conditions, cement fiber board thickness, purlin spacing, different edge beam shapes and other factors on the vibration performance of the composite floor were explored. The results show that the natural frequency of the cold-formed thin-walled steel beam-cement fiberboard composite slabs meets the limit requirements of the relevant specifications, the peak acceleration does not meet the limit values of the relevant specifications, and the vibration comfort needs to be improved. Enhancing boundary constraint, increasing the thickness of cement fiberboard, reducing the purlin spacing of composite floors and changing the cross-sectional shape of side beam of composite floor can improve the vibration comfort of composite floors. The research results can provide scheme optimization and reference for the design and application of cold-formed thin-walled steel beam cement fiberboard composite floor.

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Last Update: 2025-11-25