Experimental Study on the Surface Condition Change of Heavy-Duty Painted Steel by Fire Temperature

As a part of the initial investigation of fire damage diagnosis, fire protection-applied specimens within petrochemical plant facilities were exposed to standard and hydrocarbon fire conditions; then, the heating temperature of the specimens was monitored, and their appearance was checked by visual observation. Although data on the appearance status for discoloration, thickness variations, etc. of fire protection were collated for each set of fire exposure conditions, it was difficult to estimate the heating temperature of the specimens. Therefore, the visual observation method for determining the degree of fire damage needs to be approached somewhat conservatively. Moreover, according to the results of the heating temperature measurements for each specimen, it was confirmed that the paint has a disadvantage in maintaining its fire resistance performance when exposed to a hydrocarbon fire.

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Fire Damage Characteristics of Fire-Resistant Coating Materials in Petrochemical Plant Facilities

Cho¹,

Ahn²,

Jeon³

2023

J. Korean Soc. Hazard Mitig

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As industrial facilities, petrochemical plants require prompt investigation, diagnosis, and recovery in the event of fire damage associated with disasters and accidents. Due to the characteristics of petrochemical plants, which are mostly composed of steel structures with fire-resistant coating materials, the coating materials are the first to be damaged. Accordingly, in this study, the fire damage characteristics of fire-resistant coating materials were analyzed experimentally, verifying the possibility of estimating the heating temperatures based on such characteristics. The results show a correlation between the foam expansion ratio and the heating temperature of intumescent fire-resistant coating materials with foam properties. A significant correlation was found between the density and adhesion strength ratio and the heating temperature of spray-applied fire-resistant coatings. The results suggest the possibility of estimating the heating temperatures based solely on the fire damage characteristics of the coating materials, which could provide a platform for simplifying existing methods for investigating and diagnosing fire damage.

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Experimental Study on the Surface Condition Change of Heavy-Duty Painted Steel by Fire Temperature

Cited by 3 publications

References 8 publications

An Approach for Estimating Heated Temperature in Steel Bridge Based on Surface Condition Change of Heavy-Duty Painting Systems

An Approach for Estimating Heated Temperature in Steel Bridge Based on Surface Condition Change of Heavy-Duty Painting Systems

Experimental Study of Fire Damage Characteristics in a Petrochemical Plant Facility

Fire Damage Characteristics of Fire-Resistant Coating Materials in Petrochemical Plant Facilities

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