Related Experiment Video
Updated: Nov 26, 2025

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
Published on: June 27, 2018
Fire Design Equation for Steel-Polymer Composite Floors in Thermal Fields Via Finite Element Analysis.
Min Jae Park1, Jaehoon Bae1, Jaeho Ryu2
1School of Civil, Environmental, and Architectural Engineering, Korea University, Seoul 02481, Korea.
This study investigates the fire resistance of steel-polymer composite floors. Verified analytical models were used to estimate temperature distributions and develop fire design equations for these innovative structural members.
Area of Science:
- Construction materials science
- Structural engineering
- Fire safety engineering
Background:
- Steel-polymer composite floors, utilizing polymers between steel plates, are increasingly applied in steel structures.
- Previous research has explored their structural performance at ambient conditions and thermal behavior under fire using small-scale furnaces.
- Evaluating the fire resistance of full-scale composite floors necessitates understanding their thermal behavior and temperature distribution.
Purpose of the Study:
- To estimate the temperature distributions of full-scale steel-polymer composite floors using a verified analytical model.
- To investigate correlations between variables like plate thickness, polymer thickness, and fire resistance.
- To determine a fire design equation for steel-polymer composite floors in the thermal field.
Main Methods:
- Development and application of a verified analytical model to predict thermal behavior.
- Estimation of temperature distributions in full-scale composite floors.
- Correlation analysis of key variables influencing fire resistance.
Main Results:
- The study successfully estimated temperature distributions in full-scale composite floors.
- Correlations between material thicknesses and fire resistance were investigated.
- Foundational data for developing a fire design equation was established.
Conclusions:
- The verified analytical model provides a reliable method for assessing the thermal performance of steel-polymer composite floors.
- Understanding thermal behavior is crucial for predicting fire resistance.
- Further research can lead to optimized fire design equations for these composite structures.
More Related Videos
Related Concept Videos
Prismatic Beams: Problem Solving
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
Design of Prismatic Beams for Bending
Thermal expansion and Thermal stress: Problem Solving
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in temperature (ΔT) is 55...
Temperature Dependent Deformation
Bending of Members Made of Several Materials
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Fiber Reinforced Concrete

