Bending and Shear Capacity of Reinforced Concrete Protective Wall 


Vol. 38,  No. 2, pp. 44-51, Apr.  2023
10.14346/JKOSOS.2023.38.2.44


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  Abstract

With the recent increase in gas energy use, risk management for explosion accidents has been emphasized. Protective walls can be used to reduce damage from explosions. The KOSHA GUIDE D-65-2018 suggests the minimum thickness and height of protective walls, minimum reinforcement diameter, and maximum spacing of reinforcements for the structural safety of the protective walls. However, no related evidence has been presented. In this study, the blast load carrying capacity of the protective wall was analyzed by the pressure–impulse diagrams while changing the yield strength of the reinforcement, concrete compressive strength, reinforcement ratio, protective wall height, and thickness, to check the adequacy of the KOSHA GUIDE. Results show that failure may occur even with design based on the criteria presented by KOSHA GUIDE. In order to achieve structural safety of protective walls, additional criteria for minimum reinforcement yield strength and maximum height of protective wall are suggested for inclusion in KOSHA GUIDE. Moreover, the existing value for minimum reinforcement ratio and the thickness of the protective wall should be increased.

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  Cite this article

[IEEE Style]

권영범 and 박종일, "Bending and Shear Capacity of Reinforced Concrete Protective Wall," Journal of the Korean Society of Safety, vol. 38, no. 2, pp. 44-51, 2023. DOI: 10.14346/JKOSOS.2023.38.2.44.

[ACM Style]

권영범 and 박종일. 2023. Bending and Shear Capacity of Reinforced Concrete Protective Wall. Journal of the Korean Society of Safety, 38, 2, (2023), 44-51. DOI: 10.14346/JKOSOS.2023.38.2.44.

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