Preface

Foreword

List of Symbols

1.0 A Building and a Fire

2.0 Wood - a Combustible Building Material

2.1 General Characteristics of Wood

2.2 Wood Degradation by Heat Impact (By Fire)

2.2.1 Thermal Degradation of Main Wood Components

2.2.2 Wood Microscopic Structure Changes by High-Temperature Stress

2.2.3 Wood Macroscopic Structure Changes by High-Temperature Stress

2.2.4 Physical Properties of Thermally Degraded Wood

2.2.5 Mechanical Properties of Thermally Degraded Wood

2.2.5.1 Temperature Impact to Bending Strength and to Bending Modulus of Elasticity

2.2.5.2 Temperature Impact to Tension Strength and MOE at Tension Parallel to Grain

2.2.5.3 Temperature Impact to Wood Compression Properties Parallel to Grain

2.2.5.4 Temperature Effect on Shear Strength of Wood

2.2.5.5 Charring Rate Effect to Mechanical Properties of Wood in General

2.3 Fire Resistance of Wooden Structures

2.4 Eurocode 5

2.4.1 Origin and Development of Eurocode Standards Programme

2.4.2 Related European Standards

2.4.3 Design Principles

2.4.4. Examples

2.5 Conclusion

3.0 Full-Size Fire Test of a Wooden Structure

3.1 The Concept of the Full-Size Tests

3.2 Structural Fire Test Scheme of Two-Storey Building

3.3 Construction Process of the Fire-Tested Two-Storey Building

3.4 Photos of the Test Structural Fire

3.5 The Fire Assessment

3.5.1 The Fire Assessment - Ground Floor

3.5.2 The Fire Assessment - First Floor

3.5.3 The Temperature Assessment - the East External Wall

3.5.4 The Temperature Assessment - the West External Wall

3.5.5 The Temperature Assessment - the North External Wall

3.5.6 The Temperature Assessment - the South External Wall

4.0 Summary of the Experiment