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Design Manual For Structural Stainless Steel

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Design Manual For Structural Stainless Steel
Steel Construction Institute as a deliverable of the RFCS Project

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PART I – RECOMMENDATIONS
1 INTRODUCTION 1
1.1 Scope 1
1.2 Symbols 1
1.3 Conventions for member axes 3
1.4 Units 4
2 BASIS OF DESIGN 5
2.1 General requirements 5
2.2 Limit state design 5
2.3 Loading 7

3 MATERIALS: PROPERTIES, SELECTION AND DURABILITY 11
3.1 Material grades 11
3.2 Mechanical behaviour and design values of properties 16
3.3 Physical properties 21
3.4 Effects of temperature 21
3.5 Life cycle costing 22
3.6 Selection of materials 23
3.7 Durability 25

4 PROPERTIES OF SECTIONS 34
4.1 General 34
4.2 Maximum width-to-thickness ratios 34
4.3 Classification of cross-sections 34
4.4 Effective widths 38
4.5 Stiffened elements 43
4.6 Calculation of section properties 46
4.7 Resistances of cross-sections 49

5 MEMBER DESIGN 54
5.1 Introduction 54
5.2 Tension members 54
5.3 Compression members 54
5.4 Flexural members 58
5.5 Members subject to combinations of axial load and bending moments 68

6 JOINT DESIGN 71
6.1 General recommendations 71
6.2 Bolted connections 736.3 Mechanical fasteners for thin gauge material 78
6.4 Welded connections 78

7 DESIGN FOR FIRE RESISTANCE 82
7.1 General 82
7.2 Mechanical properties at elevated temperatures 82
7.3 Thermal properties at elevated temperatures 85
7.4 Determination of structural fire resistance 86

8 FATIGUE 94

9 TESTING 95
9.1 General 95
9.2 Stress-strain curve determination 95
9.3 Tests on members 95

10 FABRICATION ASPECTS 97
10.1 Introduction 97
10.2 Storage and handling 98
10.3 Shaping operations 98
10.4 Welding 100
10.5 Galling and seizure 104
10.6 Finishing 105

APPENDIX A Correlation between stainless steel designations 107
APPENDIX B Lateral-torsional buckling 109
APPENDIX C Material data for deflection calculations 113

PART II – DESIGN EXAMPLES
Design example 1
Design example 2
Design example 3
Design example 4
Design example 5
Design example 6
Design example 7
Design example 8
Design example 9
Design example 10
Design example 11
Design example 12 183
Design example 13 191