Allowable and Limits Temperature Effect with Intumescent Paint Covering

Kim, Sun‐Hee; Ok, Chi Yeol; Choi, Sung-Mo

doi:10.11004/kosacs.2017.8.2.041

Cited by 1 publication

(1 citation statement)

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“…일반적으로 강재는 500 ℃ 이상 고온에 노출되는 경우 강도가 급격히 저하됨에 따라 구조적으로 강재가 사용되는 경우 내화성능 확보가 필수적이다 (Kim and Kang, 2011;Kim et al, 2017 3차 실험 결과 Fig. 6(e)와 같이 CC-05 실험체의 외부 마감면 접합부의 변형이 발생하지 않았으며, Fig.…”

Section: 서 론unclassified

An Experimental Study on Fire Resistance Performance of a Bended Type Cladding Column System

Yang¹,

Kang²,

Jung³

et al. 2020

J. Korean Soc. Hazard Mitig

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As buildings are growing higher and larger, more composite structures have been used. However, the steel member used for composite structure tends to rapidly lose its strength at elevated temperatures. For this reason, it is required to apply a fire resistance mechanism, but it is difficult to implement because of the cost and technical limitations in the case of fire-resistant paint. In case of fireproof spray coat, scattering phenomena, poor work conditions for wet application, and construction delay are the main challenges to be addressed. In this study, a full-scale fire resistance test of non-fire resistant cladding column was conducted in accordance with KS F 2257-7. According to the test results, the specimens CC-01, CC-02, and CC-03 failed to meet the requirements for a 3-hour fire resistance rating because of the joint deformation and less cover thickness, while CC-04, CC-05, and CC-06 with increased thickness and reinforced joints satisfied the requirements for a 3-hour fire resistance rating.

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Section: 서 론unclassified