AS/NZS 2041.2:2011

1-AS/NZS 2041.2:2011 BURIED CORRUGATED METAL STRUCTURES - INSTALLATION
4-PREFACE
5-CONTENTS
6-SECTION 1 SCOPE AND GENERAL
6-1.1 SCOPE
6-1.2 APPLICATION
6-1.3 NORMATIVE REFERENCES
7-1.4 DEFINITIONS
7-1.4.1 Bedding
7-1.4.2 Camber
7-1.4.3 Compaction
7-1.4.4 Corrugation
8-1.4.5 Cover
8-1.4.6 Embankment
8-1.4.7 Fill, embankment
8-1.4.8 Fill, flowable
8-1.4.9 Fill, select
8-1.4.10 Foundation
8-1.4.11 Haunch
8-1.4.12 Protective coating
8-1.4.13 Skew number
8-1.4.14 Spring line
8-1.4.15 Trench condition
9-1.5 NOTATIONS
10-1.6 MARKING OF STRUCTURES
11-SECTION 2 INSTALLATION
11-2.1 GENERAL
11-2.2 CONFORMANCE TO THE DESIGN
12-2.3 METHOD OF INSTALLATION
12-2.4 STRUCTURAL BACKFILL
12-2.4.1 Select fill
13-2.4.2 Flowable and cement modified select fill
13-2.4.3 Extent of structural backfill
16-2.4.4 Installation in trench
16-2.4.5 Installation in embankment
16-2.5 MINIMUM SPACING BETWEEN ADJACENT MULTIPLE STRUCTURES
18-2.6 FOUNDATION AND BEDDING
18-2.6.1 Foundation
20-2.6.2 Camber
20-2.6.3 Bedding
21-2.6.4 Arches
21-2.6.5 Haunch zones for pipe-arches and underpasses
21-2.6.6 Transition zones for changing foundation
22-2.7 RECEIVING AND HANDLING MATERIALS
22-2.8 REPAIR OF DEFECTS AND COATINGS
22-2.8.1 General
22-2.8.2 Assessment and repair of damaged zinc coatings
23-2.8.3 Assessment and repair of damaged aluminized coatings
23-2.8.4 Assessment and repair of factory-applied protective coatings
23-2.9 ASSEMBLY
23-2.9.1 Assembly instructions
23-2.9.2 Handling
23-2.9.3 Helically formed pipe
23-2.9.4 Bolted plate structures
24-2.9.5 Bolts and bolt torque for bolted plate structures
24-2.10 PLACEMENT
25-2.11 OTHER COMPONENTS OF THE STRUCTURE
25-2.12 BACKFILLING
25-2.12.1 General
25-2.12.2 Select fill
25-2.12.3 Flowable and cement-modified select fill
25-2.12.4 Placement
28-2.12.5 Compaction of select fill
28-2.13 MINIMUM COVER FOR CONSTRUCTION EQUIPMENT AND ABNORMAL LOADS
29-2.14 SHAPE TOLERANCES
29-2.14.1 Monitoring of shape during placement of select fill
29-2.14.2 Helically formed pipes (final shape)
29-2.14.3 Bolted plate structures (final shape)
30-SECTION 3 END TREATMENT AND INVERT LINING
30-3.1 GENERAL
30-3.2 END TREATMENT
30-3.3 INVERT LINING
31-3.4 ALUMINIUM PLATE STRUCTURES
32-APPENDIX A - GUIDELINES FOR DESIGN INFORMATION FOR SUPPLY AND INSTALLATION
32-A1 GENERAL
32-A2 DESIGN INFORMATION TO BE SUPPLIED TO THE MANUFACTURER AND INSTALLER
33-A3 INFORMATION TO BE SUPPLIED BY THE MANUFACTURER
36-APPENDIX B - FLOWABLE FILL
36-B1 GENERAL
36-B2 MIX PROPORTIONS
36-B3 MIX FLOWABILITY
37-B4 GRANULAR MATERIAL GRADING
37-B5 STRENGTH
37-B6 PLACEMENT
38-B7 DURABILITY
39-BIBLIOGRAPHY