Fire Design of Steel Structures

Jea-Marc Franssen is Professor at the Department of Architecture, Geology, Environment and Construction of the University of Liege in Belgium. He is leading the group of fire safety engineering and is the Director of the Fire Resistance Laboratory. He is a member of the Technical Committee TC3 - Fire of ECCS. He founded the Structures in Fire (SiF) movement of which he is teh chairman of the Steering Committee. He was a member of the draft team of EN 1993-1-2

INTRODUCTION
Relations between different Eurocodes
Scope of EN 1993-1-2
Layout of the book
MECHANICAL LOADING
General
Examples
Indirect actions
THERMAL ACTION
General
Nominal temperature-time curves
Parametric temperature-time curves
Zone models
CFD models
Localized fires
External members
TEMPERATURE IN STEEL SECTIONS
Introduction
The heat conduction equation and its boundary conditions
Advanced calculation model. Finite element solution of the heat conduction equation
Section factor
Temperature of unprotected steelwork exposed to fire
Temperature of protected steelwork exposed to fire
Internal steelwork in a void protected by heat screens
External steelwork
View factors in the concave part of a steel profile
Temperature in steel members subjected to localized fires
Temperature in stainless steel members
MECHANICAL ANALYSIS
Basic principles
Mechanical properties of carbon steel
Classification of cross-sections
Effective cross-sections
Fire resistance of structural members
Design in the temperature domain. Critical temperature
Design of continuous beams
Fire resistance of structural stainless steel members
Design examples
ADVANCED CALCULATION MODELS
General
Thermal response model
Mechanical response model
Some comparisons between the simple and the advanced calculation models
JOINTS
General
Strength of bolts and welds at elevated temperature
Temperature of joints in fire
Bolted connections
Design fire resistance of welds
Design examples
THE COMPUTER PROGRAM "ELEFIR-EN"
General
Brief description of the program
Default constants used in the program
Design example
CASE STUDY
Description of case study
Fire resistance under standard fire
Fire resistance under natural fire
REFERENCES
ANNEX A THERMAL DATA FOR CARBON STEEL AND STAINLESS STEEL SECTIONS
A.1. Thermal properties of carbon steel
A.2. Section factor Am / V [m-1] for unprotected steel members
A.3. Section factor Ap / V [m-1] for protected steel members
A.4. Tables and nomograms for evaluating the temperature in unprotected steel members subjected to the standard fire curve ISO 834
A.5. Tables and nomograms for evaluating the temperature in protected steel members subjected to the standard fire curve ISO 834
A.6. Thermal properties of some fire protection materials
A.7. Thermal properties of stainless steel
A.8. Tables and nomograms for evaluating the temperature in unprotected stainless steel members subjected to the standard fire curve ISO 834
A.9. Thermal properties of some fire compartment lining materials
ANNEX B INPUT DATA FOR NATURAL FIRE MODELS
B.1. Introduction
B.2. Fire load density
B.3. Rate of heat release density
B.4. Ventilation control
B.5. Flash-over
ANNEX C MECHANICAL PROPERTIES OF CARBON STEEL AND STAINLESS STEEL
C.1 Mechanical properties of carbon steel
C.2. Mechanical properties of stainless steel
ANNEX D TABLES FOR SECTION CLASSIFICATION AND EFFECTIVE WIDTH EVALUATION
ANNEX E SECTION FACTORS OF EUROPEAN HOT ROLLED IPE AND HE PROFILES
ANNEX F CROSS-SECTIONAL CLASSIFICATION OF EUROPEAN HOT ROLLED IPE AND HE PROFILES
F.1. Cross-sectional classification for pure compression and pure bending
F.2. Cross-sectional classification for combined, compression and bending moment