Australian guidebook for structural engineers : a guide to structural engineering on a multidiscipline project

511 Pages·2017·23.89 MB·English

by  Lonnie Pack

Australian Guidebook for
Structural Engineers
A guide to structural engineering
on a multidiscipline project
Australian Guidebook for
Structural Engineers
A guide to structural engineering on a
multidiscipline project
Lonnie Pack
CRC Press
Taylor & Francis Group
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Library of Congress Cataloging‑ in‑ Publication Data
Names: Pack, Lonnie, author.
Title: Australian guidebook for structural engineers : a guide to structural
engineering on a multidiscipline project / Lonnie Pack.
Description: Boca Raton : CRC Press, [2017] | Includes bibliographical
references and index.
Identifers: LCCN 2016049432| ISBN 9781138031852 (hardback : alk. paper) |
ISBN 9781315197326 (ebook)
Subjects: LCSH: Structural engineering--Australia. | Multidisciplinary design
optimization--Australia.
Classifcation: LCC TA633 .P28 2017 | DDC 624.102/1894--dc23
LC record available at https://lccn.loc.gov/2016049432
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SAI GLOBAL
This text includes detailed references to numerous standards produced by Standards
Australia Limited and the International Organization for Standardization. Permission to
reproduce the work has graciously been provided by SAI Global Limited. This text provides
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Full copies of the referenced standards are available online at https://www.saiglobal.com/.
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This text is created solely for the use of competent and professional engineers. Methods
presented are not always the most accurate or detailed options available. They represent a
balance of detail and complexity to provide tools which are applicable for a typical design
offce.
Contents
Preface xvi
Author xix
1 Setting up the project 1
1.1 Basis of design 1
1.2 Scope of works 2
1.3 Deliverables list 2
1.4 Budget 2
1.5 Schedule 4
1.6 Communications plan 4
1.7 Structural design criteria 4
1.7.1 Load factors and combinations 6
1.7.2 Construction category 6
1.8 Specifcations 7
2 Design 9
2.1 Limit states design 9
2.2 Standards and legislation 9
2.3 Actions 12
2.3.1 Wind 12
2.3.1.1 Wind pressure 16
2.3.1.2 Wind on piping 16
2.3.1.3 Wind on exposed steelwork 17
2.3.1.4 Wind on multiple items 19
2.3.2 Seismic 20
2.3.2.1 Earthquake design categories 21
2.3.2.2 Site subsoil class 21
2.3.2.3 Probability factor 21
2.3.2.4 Hazard factor 23
2.3.2.5 Design principles 23
2.3.2.6 Earthquake design category 1 (EDC1) 26
2.3.2.7 Earthquake design category 2 (EDC2) 26
viii Contents
2.3.3 Dead and live loads 31
2.3.3.1 Dead loads 31
2.3.3.2 Live loads 31
2.3.3.3 Buoyancy loads 33
2.3.3.4 Vehicle loads 33
2.4 Friction 35
2.5 Defections 35
2.5.1 AS/NZS 1170 defection requirements 35
2.5.2 AS 3600 defection requirements 35
2.5.3 AS 4100 defection requirements 35
3 Steel design 39
3.1 Material 39
3.1.1 Cost 40
3.1.2 Steel selection 41
3.2 Fabrication and erection 42
3.2.1 Framing system 42
3.2.2 Coating system 42
3.2.3 Transportation 44
3.3 Analysis 44
3.3.1 Section selection 45
3.3.2 Notional forces 45
3.3.3 Bracing 45
3.3.4 Connection eccentricity 46
3.4 Bending 46
3.4.1 Section capacity 46
3.4.1.1 Elastic section modulus 47
3.4.1.2 Plastic section modulus 49
3.4.1.3 Effective section modulus 51
3.4.2 Member capacity 55
3.4.2.1 Restraint types 55
3.4.2.2 Restraint element defnitions 58
3.4.2.3 Members with full lateral restraint 59
3.4.2.4 Members without full lateral restraint 60
3.5 Shear 66
3.5.1 Unstiffened webs 66
3.5.1.1 Minimum web thickness 66
3.5.1.2 Web capacity 67
3.5.2 Combined bending and shear 68
3.5.3 Globally stiffened webs 68
3.5.4 Web bearing capacity 68
3.5.5 Web bearing stiffeners 69
3.5.6 Openings in webs 69
3.6 Tension 74
3.7 Compression 74
Contents ix
3.7.1 Section compression capacity 75
3.7.1.1 Effective cross-section 75
3.7.2 Member compression capacity 76
3.7.2.1 Effective length 79
3.7.2.2 Braces 79
3.8 Combined actions 82
3.8.1 Combined section capacity 82
3.8.1.1 Axial load with uniaxial bending
about the major principal x-axis 82
3.8.1.2 Axial load with uniaxial bending
about the minor principal y-axis 83
3.8.1.3 Axial load with biaxial bending 83
3.8.2 Combined member capacity 84
3.8.2.1 Axial load with uniaxial bending: Elastic analysis 84
3.8.2.2 Axial load with uniaxial bending: Plastic analysis 86
3.8.2.3 Axial load with biaxial bending 86
3.9 Torsion 87
3.9.1 Uniform torsion 87
3.9.2 Warping torsion 88
3.9.3 Non-uniform torsion 88
3.9.4 Finite element analysis of torsion 88
3.9.5 Torsion calculations 89
3.9.5.1 Uniform torsion calculations 89
3.9.5.2 Warping torsion calculations 91
3.10 Connections 93
3.10.1 Minimum actions 93
3.10.2 Bolting 94
3.10.2.1 Bolt capacities 94
3.10.2.2 Bolt group analysis 97
3.10.2.3 General bolting requirements 99
3.10.3 Anchor bolts 103
3.10.3.1 Grout 103
3.10.3.2 Tension in anchor bolts 104
3.10.3.3 Shear in anchor bolts 106
3.10.3.4 Combined tension and shear in anchor bolts 108
3.10.4 Pin connections 108
3.10.5 Welding 109
3.10.5.1 Weld capacities 110
3.10.5.2 Weld group analysis 112
3.10.5.3 Weld symbols 116
3.10.5.4 General weld requirements 117
3.10.6 Plate analysis 118
3.10.6.1 Tension 118
3.10.6.2 Ply in bearing 119
3.10.6.3 Block shear 119