Mechanical properties deterioration of high strength steels after high temperature exposure

H Zhou, W Wang, K Wang, L Xu - Construction and Building Materials, 2019 - Elsevier
Presented in this paper are test results on mechanical properties of high strength Q690 steel
after being exposed to high temperatures. Yield strength, tensile strength, elastic modulus …

Behaviour of restrained high strength steel columns at elevated temperature

W Wang, L Zhang, Y Ge, L Xu - Journal of Constructional Steel Research, 2018 - Elsevier
High strength steel has been widely used in various types of structures due to its merits of
high strength and good ductility. However, high strength steel structures are vulnerable to …

Quantitative evaluation of progressive collapse process of steel portal frames in fire

J Jiang, C Wang, G Lou, GQ Li - Journal of Constructional Steel Research, 2018 - Elsevier
This paper presents quantitative investigations on the collapse behavior of steel portal
frames exposed to standard fires. The complete collapse process is divided into safe, alert …

Proposal of steel stress-strain relationships and simple analytical models of beams considering strain-rate effects at elevated temperatures

F Ozaki, T Umemura - Journal of Structural Fire Engineering, 2023 - emerald.com
Purpose In this study, engineering stress-strain relationships considering an effect of strain
rate on steel materials at elevated temperatures were formulated and a simplified analytical …

Experimental and numerical analysis on full high strength steel extended endplate connections in fire

X Qiang, N Wu, X Jiang, Y Luo, F Bijlaard - International Journal of Steel …, 2018 - Springer
Full-scale experimental study and numerical analysis on behaviors and failure mechanisms
of full high strength steel extended endplate connections in fire have been carried out and …

A new proposal for the design of laterally unrestrained cellular steel beams under moment gradient at elevated temperatures

VK Kotapati, AP Khatri - Fire Safety Journal, 2023 - Elsevier
The laterally unrestrained cellular steel beams (CB) are more susceptible to buckling failure
and collapse early due to the material degradation that occurs in a fire situation. The lateral …

Failure criteria of cellular steel beams under ambient and elevated temperature

VK Kotapati, AP Khatri - International Journal of Steel Structures, 2022 - Springer
The fire resistance time of a member plays a significant role in structural fire safety. The
determination of FR time for cellular steel beam is quite complicated because of irregular …

Numerical analysis on stress and displacement of tapered cantilever castellated steel beam with circular openings

TI Maulana, H Prayuda… - MATEC Web of …, 2018 - matec-conferences.org
Castellated steel beams are made from normal steel beams cut into half with certain pattern
and re-jointed to increase its height. This action results in many shapes of openings in its …

Exploring Fire Design in Canada: A Comparative Study of Probabilistic and Deterministic Approaches with Focus on FEA Modeling of Steel and UHPC Structures

JM Flint - 2023 - qspace.library.queensu.ca
This thesis delves into the challenges of Fire Safety Engineering (FSE) in Canada,
particularly addressing the modelling barriers to the analysis of steel and ultra-high …

Numerical study of cellular beams under different types of loading

B Izzeddine, B Abdelhak, B Tab… - … in Engineering and …, 2024 - ojs.studiespublicacoes.com.br
The integration of cellular metal beams in high-rise buildings allows for optimized space
utilization for technical equipment, while also reducing floor height and, consequently, the …