AS 1762-1984

1 - AS 1762-1984 HELICAL LOCK-SEAM CORRUGATED STEEL PIPES - DESIGN AND INSTALLATION
4 - PREFACE
5 - CONTENTS
6 - SECTION 1. SCOPE AND GENERAL
6 - 1.1 SCOPE.
6 - 1.2 REFERENCED DOCUMENTS.
6 - 1.3 DEFINITIONS.
6 - 1.4 NOTATION.
6 - 1.5 MATERIALS.
7 - SECTION 2. INSTALLATION DESIGN
7 - 2.1 GENERAL.
7 - 2.2 DESIGN SOIL COMPACTION.
7 - 2.3 DESIGN PRESSURE.
7 - 2.4 RING COMPRESSION.
8 - 2.5 STRESSES.
8 - 2.6 THICKNESS.
8 - 2.7 HANDLING STIFFNESS.
8 - 2.8 MINIMUM COVER.
8 - 2.8.1 General.
8 - 2.8.2 Minimum cover for railway live loads.
8 - 2.8.3 Minimum cover for highway live loads.
8 - 2.8.4 Variation of minimum cover.
8 - 2.9. END TREATMENT.
12 - SECTION 3. INSTALLATION
12 - 3.1 APPLICATION.
12 - 3.2 ASSEMBLY.
12 - 3.3 MULTIPLE INSTALLATIONS - MINIMUM PERMISSIBLE SPACING.
12 - 3.4 INSTALLATION OF PIPES.
12 - 3.4.1. Foundation preparation.
12 - 3.4.2 Bedding.
12 - 3.4.3 Camber.
13 - 3.4.4 Backfilling.
14 - 3.5 CORROSION OF CORRUGATED STEEL STRUCTURES
15 - APPENDIX A - REFERENCE TABLES BASED ON RAILWAY LOADING (M250) AND HIGHWAY LOADING( T44 - A14)
18 - APPENDIX B - RAILWAY M250 LOAD - LIVE LOAD PLUS IMPACT PRESSURE ON THE STRUCTURE
19 - APPENDIX C - HIGHWAY T44 - A14 LOAD - LIVE LOAD PLUS IMPACT PRESSURE ON THE STRUCTURE
20 - APPENDIX D - CORROSION OF CORRUGATED STEEL STRUCTURES

Lays down essential requirements for the installation of pipes manufactured to AS 1761. It details considerations to be taken into account in design calculations and installation procedures. Design soil compaction, design pressure, ring compression, stresses, thickness and handling stiffness are covered. Sectional properties for each size of the four corrugations are tabulated and appendices include reference tables of cover limits for railway M250 and highway T44-A14 live loads.

This standard sets out requirements for the design and installation of structures of helical lock-seam corrugated steel pipes.

Under Revision see DR 02335 and DR 02335