Experimental investigation on the post-fire performance of reactive powder concrete columns

Mohammed Kadhum; Zainab Mahdi; Yousif Funfakh; Zaid Mohammed; Mustafa Abdulraheem; Michaela Gkantou

doi:10.22630/PNIKS.2021.30.2.27

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Published:

Mar 30, 2021

Issue

Vol. 30 No. 2 (2021)

Section

Original papers

CitedBy/Share

Mohammed Kadhum

University of Babylon, College of Engineering, Department of Civil Engineering, Al Hilla, 51001, Iraq

https://orcid.org/0000-0002-4732-3646

Zainab Mahdi

Middle Technical University, Technical Engineering College, Baghdad, 10001, Iraq

Yousif Funfakh

University of Babylon, College of Engineering, Department of Civil Engineering, Al Hilla, 51001, Iraq

Zaid Mohammed

University of Technology, Building and Construction Engineering Department, Baghdad, 10001, Iraq

Mustafa Abdulraheem

General Company of electricity distribution for the middle region, Karbala branch, Karbala, 5600, Iraq

Michaela Gkantou

Liverpool John Moores University, School of Civil Engineering and Built Environment, Liverpool, L3 3AF, UK

DOI: https://doi.org/10.22630/PNIKS.2021.30.2.27

Keywords : post-fire, concrete, behavior, third term, fourth date, fifth date, max sixth

Abstract

The increased use of reactive powder concrete (RPC) in concrete structures has attracted attention towards the structural behavior of RPC in fires. This work examines experimentally the performance of RPC and NSC columns subjected to 25% of the ultimate load and exposed to direct fire flame for a period of 30 and 60 min at various temperature levels. The paper aims to evaluate the maximum temperature level and fire duration that can be withstood by this type of concrete columns. The results show that the failure mode of RPC columns without reinforcement is a sudden shear failure, whereas the failure mode of reinforced RPC columns is a crushing failure with rupture of certain ties. The RPC columns at high temperatures spall intensively; additionally, the ultimate strength clearly decreases compared to the NSC columns at the same conditions.

How to Cite

Kadhum, M., Mahdi, Z., Funfakh, Y., Mohammed, Z., Abdulraheem, M., & Gkantou, M. (2021). Experimental investigation on the post-fire performance of reactive powder concrete columns. Scientific Review Engineering and Environmental Sciences (SREES), 30(2), 315–316. https://doi.org/10.22630/PNIKS.2021.30.2.27

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