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Author Spotlight: Enhancing Fiber Composite Laminate Quality with the Wet Hand Lay-Up/Vacuum Bag Process

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Fire Resistance Performance of Steel-Polymer Prefabricated Composite Floors Using Standard Fire Tests.

Min Jae Park¹, Robel Wondimu Alemayehu¹, Young K Ju¹

¹School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Korea.

|April 12, 2022

Summary

Fire resistance of steel-polymer composite floors was evaluated. Bottom steel plate thickness significantly impacts stability, leading to new performance prediction equations.

Keywords:

finite element analysis fire resistance performance stability standard fire tests steel–polymer prefabricated composite floor

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Area of Science:

Materials Science
Structural Engineering
Fire Safety Engineering

Background:

Steel-polymer composite floors offer a sandwich-type structure for construction.
Assessing the fire resistance performance of these composite floors is crucial for safety.

Purpose of the Study:

To evaluate the fire resistance performance of steel-polymer composite floors.
To analyze the structural behavior under fire conditions using finite element analysis.
To develop predictive equations for stability and fire resistance ratings.

Main Methods:

Standard fire tests were conducted on composite floor specimens.
Finite element analysis was employed for structural analysis, considering thermal data.
Specimen variables included steel plate and polymer thicknesses.

Main Results:

Top steel plate thickness did not affect stability ratings.
Bottom steel plate thickness showed a linear correlation with stability ratings.
Equations for predicting stability and fire resistance were proposed.

Conclusions:

The thickness of the bottom steel plate is a critical factor for the fire resistance of steel-polymer composite floors.
The developed equations can aid in designing composite floors with enhanced fire safety.
Further research can refine these models for broader applications.