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Evaluation on the Mechanical Properties of Fire Resistant Steels at High Temperature Conditions with Manufacturing Processes  

Kwon, In Kyu (강원대학교 소방방재학부)
Publication Information
Journal of Korean Society of Steel Construction / v.19, no.2, 2007 , pp. 181-190 More about this Journal
Abstract
A fire-resistant steel with enhanced load-bearing capacity has been developed to enable structural elements such as columns and beams withstand exposure to severe fire conditions. To precisely evaluate the fire-resistant performance of structural elements that compose fire-resistant steels, mechanical properties such as yield strength and elastic modulus are essential. To obtain the mechanical database of fire-resistant steels at high temperatures, tensile tests at high temperatures were conducted on steels of two kinds of thicknesses. The results showed that the thickness difference could not affect the mechanical properties at a high temperature.
Keywords
Fire resistant steels; fire performance; fire design; yield strength;
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