PREN 15080-13 : DRAFT 2009

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Basis and methodology of establishing the extended application
  4.1 General
  4.2 Basic principles
      4.2.1 General
      4.2.2 Basis of the extended application
      4.2.3 Mode of failure
      4.2.4 Methods of analysis
  4.3 Basic thermal analysis
  4.4 Basic structural analysis
      4.4.1 General
      4.4.2 Modelling factor
      4.4.3 Material properties
  4.5 Analysis of other features
5 Critical parameters
  5.1 General
  5.2 Common thermal parameters
  5.3 Common mechanical parameters
  5.4 Common constructional parameters
  5.5 Specific constructional parameters for columns without
      fire protection
      5.5.1 Concrete columns
      5.5.2 Steel columns
      5.5.3 Composite steel-concrete columns
      5.5.4 Timber columns
      5.5.5 Mechanically jointed timber columns
      5.5.6 Specific constructional parameters for columns with
            applied fire protection
6 Report of the extended application analysis
Annex A (informative) Guidelines for making assessment
      A.1 Mode of failure
      A.2 Effect of material strength
      A.3 Extrapolation of fire resistance
      A.4 Accuracy of predictions
      A.5 Prediction based on material laws
      A.6 Modifying predicted temperatures
Annex B (informative) Background to the Scope
Annex C (informative) Quantified extended application of composite
        steel concrete columns
      C.1 Introduction
      C.2 Test Details
      C.3 Analysis of reference tests
          C.3.1 Thermal performance
          C.3.2 Structural performance

Defines the parameters and factors that affect the fire resistance of columns, when fully exposed to fire on all sides.