1-AS 3623-1993 DOMESTIC METAL FRAMING
4-PREFACE
5-CONTENTS
6-SECTION 1 SCOPE AND GENERAL
6-1.1 SCOPE
6-1.2 REFERENCED DOCUMENTS
6-1.3 DEFINITIONS
6-1.3.1 Balcony
6-1.3.2 Bearer
6-1.3.3 Bracing
6-1.3.4 Ceiling batten
6-1.3.5 Chord
6-1.3.6 Floor joist
6-1.3.7 Heel (knee)
6-1.3.8 Hold-down fixings
7-1.3.9 Internal lining
7-1.3.10 Internal truss member (web)
7-1.3.11 Jamb stud
7-1.3.12 Lintel
7-1.3.13 Load redistribution
7-1.3.14 Noggin
7-1.3.15 Non-load-bearing walls
7-1.3.16 Plate
7-1.3.17 Racking
7-1.3.18 Roof or tile batten
7-1.3.19 Sheet roofing
7-1.3.20 Span
7-1.3.21 Stud
7-1.3.22 Tiled roof
7-1.3.23 Truss
7-1.3.24 Truss panel points
7-1.3.25 Wall tie
7-1.4 NOTATION
9-SECTION 2 STRENGTH REQUIREMENTS - LIMIT STATE DESIGN
9-2.1 GENERAL
9-2.2 LIMITATIONS
9-2.3 LOAD REDISTRIBUTION
9-2.4 ROOF SYSTEMS
9-2.4.1 Roofing battens
9-2.4.2 Ceiling battens
9-2.4.3 Roof trusses or rafters
10-2.5 WALL SYSTEMS
10-2.5.1 Studs in load-bearing walls
10-2.5.1.1 Single-storey or upper-storey studs
10-2.5.1.2 Lower storey studs
10-2.5.1.3 Studs at the side of openings
11-2.5.2 Top wall plates in load-bearing walls
11-2.5.2.1 Single-storey or upper-storey top wall plates
11-2.5.2.2 Lower-storey top wall plates
11-2.5.2.3 Top wall plates with studs located directly under trusses or floor joists
11-2.5.3 Lintels in load-bearing walls
11-2.5.3.1 Single-storey or upper-storey lintels
12-2.5.3.2 Lower-storey lintels
12-2.6 FLOOR SYSTEMS
12-2.6.1 General
12-2.6.2 Floor joists
12-2.6.3 Bearers under load-bearing walls
12-2.6.3.1 Single-storey or upper-storey bearers
13-2.6.3.2 Lower-storey bearers
13-2.6.4 Bearers not under load-bearing walls
13-2.6.5 Bearers or joists supporting a balcony
14-2.7 BRACING SYSTEMS
14-2.7.1 Permanent bracing systems
14-2.7.2 Wall bracing
15-SECTION 3 STRENGTH REQUIREMENTS - PERMISSIBLE STRESS DESIGN
15-3.1 GENERAL
15-3.2 LIMITATIONS
15-3.3 LOAD REDISTRIBUTION
15-3.4 ROOF SYSTEMS
15-3.4.1 Roofing battens
15-3.4.2 Ceiling battens
16-3.4.3 Roof trusses or rafters
16-3.5 WALL SYSTEMS
16-3.5.1 Studs in load-bearing walls
16-3.5.1.1 Single-storey or upper-storey studs
16-3.5.1.2 Lower-storey studs
17-3.5.1.3 Studs at the side of openings
17-3.5.2 Top wall plates in load-bearing walls
17-3.5.2.1 Single-storey or upper-storey top wall plates
17-3.5.2.2 Lower-storey top wall plates
17-3.5.2.3 Top wall plates with studs located directly under trusses or floor joists
17-3.5.3 Lintels in load-bearing walls
17-3.5.3.1 Single-storey or upper-storey lintels
18-3.5.3.2 Lower-storey lintels
18-3.6 FLOOR SYSTEMS
18-3.6.1 General
18-3.6.2 Floor joists
19-3.6.3 Bearers under load-bearing walls
19-3.6.3.1 Single-storey or upper-storey bearers
19-3.6.3.2 Lower-storey bearers
19-3.6.4 Bearers not under load-bearing walls
20-3.6.5 Bearers or joists supporting a balcony
20-3.7 BRACING SYSTEMS
20-3.7.1 Permanent bracing systems
20-3.7.2 Wall bracing
21-SECTION 4 SERVICEABILITY REQUIREMENTS
21-4.1 GENERAL
21-4.2 ROOF SYSTEMS
21-4.2.1 Roof battens
21-4.2.2 Ceiling battens
21-4.2.3 Roof trusses and rafters
22-4.3 WALL SYSTEMS
22-4.3.1 Studs
22-4.3.2 Load-bearing top plates in single storey or upper storey
22-4.3.3 Load-bearing top plates in lower storey
23-4.3.4 Lintels in single storey or upper storey
23-4.3.5 Lintels in lower storey
23-4.4 FLOOR SYSTEMS
23-4.4.1 General
23-4.4.2 Static serviceability requirements
23-4.4.2.1 Floor joists
24-4.4.2.2 Bearers
24-4.4.2.3 Bearers or joists supporting a balcony
24-4.4.3 Dynamic serviceability requirements
24-4.4.3.1 Limitations
24-4.4.3.2 Floor response
26-SECTION 5 DESIGN VERIFICATION
26-5.1 VERIFICATION OF DESIGN
26-5.2 LOAD TESTING OF STEEL-FRAMED STRUCTURES
26-5.2.1 General
26-5.2.2 Test specimens
26-5.2.3 Test loads
27-5.2.4 Test requirements
27-5.2.5 Cyclone areas
27-5.2.6 Criteria for acceptance
27-5.2.7 Acceptance of production units
28-APPENDIX A - COMMENTARY
28-A2 STRENGTH REQUIREMENTS - LIMIT STATE DESIGN/PERMISSIBLE STRESS DESIGN
28-A2.1 General
28-A2.2 Limitations
28-A2.3 Load redistribution
28-A2.4 Roof systems
29-A2.4.1 Roofing battens
29-A2.4.2 Ceiling battens
29-A2.4.3 Roof trusses
29-A2.5 Wall systems
29-A2.5.1 Studs in load-bearing walls
30-A2.5.2 Top wall plates in load-bearing walls
30-A2.5.3 Lintels in load-bearing walls
30-A2.6 Floor systems
30-A2.6.1 General
30-A2.6.2 Floor joists
30-A2.6.3 Bearers under load-bearing walls
31-A2.6.5 Bearers or joists supporting a balcony
31-A2.7 Bracing systems
31-A3 STRENGTH REQUIREMENTS - PERMISSIBLE STRESS DESIGN
31-A4 SERVICEABILITY REQUIREMENTS
31-A4.1 General
32-A4.2 Roof systems
32-A4.2.1 Roof battens
32-A4.2.2 Ceiling battens
32-A4.2.3 Roof trusses and rafters
33-A4.3 Walls
33-A4.3.1 Studs
33-A4.3.2 Load-bearing top plates in single storey or upper storey
33-A4.3.3 Load-bearing top plates in lower storey
33-A4.3.4 Lintels in single storey or upper storey
33-A4.3.5 Lintels in lower storey
33-A4.4 Floor systems
33-A4.4.1 General
33-A4.4.2 Static serviceability requirements
34-A4.4.3 Dynamic serviceability requirements
35-APPENDIX B - LOAD COMBINATIONS FOR STRENGTH
35-B1 INTRODUCTION
35-B4 ROOF SYSTEMS
35-B4.1 Roofing battens
36-B4.2 Ceiling battens
36-B4.3 Roof trusses or rafters
37-B5 WALL SYSTEMS
37-B5.1 Studs in load-bearing walls
37-B5.1.1 Single-storey or upper-storey studs
38-B5.1.2 Lower-storey studs
39-B5.1.4 Noggins
39-B5.2 Top wall plates in load-bearing walls
39-B5.2.1 Single-storey or upper-storey top wall plates
40-B5.2.2 Lower-storey top wall plates
41-B5.3 Lintels in load-bearing walls
41-B5.3.1 Single-storey or upper-storey lintels
42-B5.3.2 Lower-storey lintels
42-B6 FLOOR SYSTEMS
42-B6.2 Floor joists
43-B6.3 Bearers under load-bearing walls
43-B6.3.1 Single-storey or upper-storey bearers
43-B6.3.2 Lower-storey bearers
44-B6.4 Bearers not under load-bearing walls
44-B6.5 Bearers or joists supporting a balcony
46-APPENDIX C - LOAD REDISTRIBUTION FACTOR
49-APPENDIX D - DYNAMIC PERFORMANCE OF LIGHT FLOOR SYSTEMS
49-D1 GENERAL
49-D2 RESPONSE TO A 1 kN STATIC LOAD
50-D3 LOWEST NATURAL FREQUENCY
50-D4 MAXIMUM IMPACT VELOCITY