Author(s)

Michee Sagali Mutentu¹, Bikoumou Gambat Maximino Horacio², Yinghua Yang¹

¹School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an, China.
²School of Civil Engineering, Chang’an University, Xi’an, China.

This paper investigated the fire resistance of CSBs with various parameters under high temperature rise due to fire using finite element software ABAQUS. The mechanical parameters of CSBs are analyzed, including load-bearing capacity and the temperature distribution during the heating process. Through structural analysis simulation of the entire heating process, the structural response of the CSBs is divided into five stages: elastic stage, elastic-plastic stage, self-balancing stage, catenary stage and ultimate destruction stage. The results indicate that the opening diameter-to-height ratio, opening spacing-to-height ratio and load ratio significantly affect the structural responses of CSBs in fire, followed by opening shape as secondary effects. In all the numerical analyzes, CSBs are analyzed with a uniformly distributed load and having simply supported boundary conditions.

Fire Resistance, Thermal and Structural Analysis, Cellular Steel Beam, Transient Temperature Effect

Mutentu, M. , Horacio, B. and Yang, Y. (2023) Investigation on the Fire Resistance of Cellular Steel Beam with Sinusoidal Openings. Open Journal of Civil Engineering, 13, 637-663. doi: 10.4236/ojce.2023.134043.