AS/NZS 3725 Supplement 1:2007

AS/NZS 3725 Supp 1:2007 DESIGN FOR INSTALLATION OF BURIED CONCRETE PIPES-COMMENTARY (SUPPLEMENT TO AS/NZS 3725:2007)

PREFACE

CONTENTS

C1 SCOPE

C4 DEFINITIONS

C4.2 Bedding

C4.3 Bedding factor (F)

C4.4 Fill

C4.5 Foundation

C4.7 Installation condition

C4.8 Overlay zone

C4.10 Settlement ratio (rs)

C5 NOTATION

C6 VERTICAL LOADS ON PIPES

C6.3 Working dead loads due to fill or in situ materials

C6.3.2 Trench condition

C6.3.3 Embankment conditions

C6.4 Working loads due to superimposed dead loads

C6.5 Working loads due to superimposed live loads

C6.5.1 General

C6.5.2 Construction and other equipment loads

C6.5.3 Road vehicle loads

C6.5.4 Railway loads

C6.5.5 Aircraft loads

C8 COMPACTION

C9 PIPE SUPPORT AND BEDDING FACTORS

C9.1 General

C9.1.1 Pipe supports

C9.1.2 Bedding factors

C9.2 Support types

C9.2.1 Type U support

C9.2.2 Type H support

C9.2.3 Type HS support

C9.3 Bedding factors for dead loads

C10 TEST LOADS

C10.1 General

C10.2 and C10.3 Test loads for pipes not subject to internal pressure

C10.4 Test loads for steel reinforced pipes subject to internal pressure

APPENDIX CA - REFERENCED DOCUMENTS

CA1 STANDARDS

CA2 OTHER DOCUMENTS

APPENDIX CB - GUIDE TO THE DESCRIPTION, IDENTIFICATION AND CLASSIFICATION OF SOILS FOR GEOTECHNICAL PURPOSES

CB1 INTRODUCTION

CB2 FIELD IDENTIFICATION PROCEDURE FOR FINE-GRAINED SOILS OR FRACTIONS

CB2.1 General

CB2.2 Dry strength (crushing characteristics)

CB2.3 Dilatancy (reaction to shaking)

CB2.4 Toughness (consistency near plastic limit)

APPENDIX CC - EXAMPLES OF THE APPLICATION OF AS/NZS 3725

CC1 INTRODUCTION

CC2 EXAMPLE 1

CC2.1 Problem

CC2.2 Calculations

CC2.3 Solution

CC3 EXAMPLE 2

CC3.1 Problem

CC3.2 Calculation (a)

CC3.3 Solution (a)

CC3.4 Calculation (b)

CC3.5 Solution (b)

CC4 EXAMPLE 3

CC4.1 Problem

CC4.2 Calculations-Alternative 1

CC4.3 Alternative 1-Solution

CC4.4 Calculation-Alternative 2

CC4.5 Alternative 2-Solution

CC5 EXAMPLE 4

CC5.1 Problem

CC5.2 Calculations

CC5.3 Solution

CC6 EXAMPLE 5

CC6.1 Problem

CC6.2 Calculations

CC6.3 Solution

CC7 EXAMPLE 6

CC7.1 Problem

CC7.2 Calculations

CC7.3 Solution

CC8 EXAMPLE 7

CC8.1 Problem

CC8.2 Calculations

CC8.3 Solution

CC9 EXAMPLE 8

CC9.1 Problem

CC9.2 Calculations

CC9.3 Solution

CC9.4 Joint check

CC10 EXAMPLE 9

CC10.1 Problem

CC10.2 Calculation

CC10.3 Solution