EXPERIMENTAL RESEARCH ON BENDING CAPACITIES OF LIGHT-GAUGE STEEL KEEL FIREPROOF FLOOR SLABS

ZHAO Gengqi; SUN Yuting; LI Ke

doi:10.13204/j.gyjzG19101105

Volume 50 Issue 9

Nov. 2020

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ZHAO Gengqi, SUN Yuting, LI Ke. EXPERIMENTAL RESEARCH ON BENDING CAPACITIES OF LIGHT-GAUGE STEEL KEEL FIREPROOF FLOOR SLABS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 163-167. doi: 10.13204/j.gyjzG19101105

Citation:

ZHAO Gengqi, SUN Yuting, LI Ke. EXPERIMENTAL RESEARCH ON BENDING CAPACITIES OF LIGHT-GAUGE STEEL KEEL FIREPROOF FLOOR SLABS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 163-167. doi: 10.13204/j.gyjzG19101105

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EXPERIMENTAL RESEARCH ON BENDING CAPACITIES OF LIGHT-GAUGE STEEL KEEL FIREPROOF FLOOR SLABS

doi: 10.13204/j.gyjzG19101105

School of Civil Engineering, Zhengzhou University, Zhengzhou 450000, China

Received Date: 2020-05-20
Publish Date: 2020-11-23

Abstract

Abstract

Taking a new type of light-gauge steel keel fireproof floor slab as the research object, the experimental research on the mechanical properties of four full-scale light-gauge steel keel fireproof floor slab specimens under vertical load was carried out, and the damage characteristics of fireproof slabs were observed. The load-deflection curve and load-strain curve were used to analyze the influencing factors of the bending capacity. The calculation formula of the bending capacity of the light-gauge steel keel fireproof floor slab and the improvement suggestions for the slab design were proposed.
- cold-formed thin-walled steel,
- gypsum,
- phenolic foam board,
- fireproof floor,
- bending capacity

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