AS/NZS 2566.1:1998
. m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
Australian/Ne Australian/New w Zealand Standard Standard® Buried flexibl flexible e pipelines pipelines Part Part 1: Structu Structural ral design design
AS/NZS 2566.1:199 2566.1:1998 8
This This Joint Joint Austra Australian lian/Ne /New w Zealan Zealand d Standa Standard rd was was prepa prepared red by Joint Joint Tech Technic nical al Committee WS/28, Design and Installation of Buried Flexible Pipes. It was approved on behalf of the Council of Standards Australia on 17 October 1997 and on behalf of the Council Council of S tandard tandardss New Zealan Zealand d on 5 November November 1997. 1997. It was publi published shed on 5 January 1998.
The following interests are represented on Committee WS/28: . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
Australasian Railways Association Australian Chamber of Commerce and Industry AUSTROADS (Australia) Composites Institute of Australia Concrete Concrete Pipe Association Association of Australasia Australasia Department Department of Land and Water Water Conservation, Conservation, N.S.W. Department Department of Natural Resources, Resources, Q ld Institution of Engineers Australia Melbourne Melbourne Retail Water Water C ompanies ompanies Metal Trades Industry Association of Australia Plastics and Chemicals Industries Association Plastics Institute of New Zealand Sydney Water Corporation Water Corporation of Western Australia
Review Review of Standa Standards. rds.
To keep keep abre abreas astt of prog progre ress ss in indu indust stry ry,, Join Jointt Aust Austra rali lian an/ / New Zealand Standards are are subject to periodic review and are kept up to date by the issue of amendments amendments or new editions as necessary.It necessary.It is important therefore that that Standards users ensure that they are in possession of the latest edition, and any amendments thereto. Full details of all Joint Standards and related publications will be found in the Standards Austra Australia lia and Standa Standards rds New Zealan Zealand d Catalo Catalogue gue of Public Publicati ations ons;; this this inform informati ation on is supplement supplemented ed each month by the magazines magazines ‘The Australian Australian Standard’ and ‘Standards ‘Standards New Zealan Zealand’, d’, which which subscr subscribi ibing ng member memberss receiv receive, e, and which which give give detail detailss of new publications, new editions and amendments, and of withdrawn Standards. Suggestions for improvements to Joint Standards, addressed to the head office of either Standa Standards rds Austra Australia lia or Standa Standards rds New Zealan Zealand, d, are welcom welcomed. ed. Notif Notifica icatio tion n of any inaccuracy or ambiguity ambiguity found in a Joint Australian/New Zealand Standard should be made without delay in order that the matter may be investigated and appropriate action taken.
This Standard was issued in draft form for comment as DR 94114.
AS/NZS 2566.1:1998
. m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
Australian/New Zealand Standard® Buried flexible pipelines Part Part 1: Structur Structural al desi design gn
Originated Originated in Australia as AS CA68—1972. Final Australian Australian edition edition AS 2566— 1982. Jointly revised and redesignated AS/NZS 2566.1:1998.
PUBLISHED JOINTLY JOINTLY BY: STANDARDS STANDARDS AUSTRALIA AUSTRALIA 1 The Crescent, Homebush NSW 2140 Australia STANDARDS STANDARDS NEW ZEALAND Level Level 10, Radio New Zealand House, 155 The Terrace, Terrace, Wellington Wellington 6001 New Zealand ISBN 0 7337 1627 X
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AS/NZS 2566.1:1998
PREFACE This This Standa Standard rd was prepa prepared red by the the Join Jointt Stand Standard ardss Austr Australia alia/S /Stan tanda dards rds New Zealan Zealand d Committ ommittee ee WS WS/28 /28,, Design esign and and Insta Install llat atio ion n of Buried uried Flex Flexib ible le Pipes, ipes, to supers upersede ede AS 2566—1982, Plastics pipelaying design. This Standard is one of a proposed series which deal with buried flexible pipes. The series so far comprises: Part 1: Structural Structural design design (this Stand Standard). ard). Part 2: Installat Installation ion (in course course of preparation preparation). ). The objectiv objectivee of this Standa Standard rd is to provid providee designe designers rs with with procedures procedures for the structu structural ral design of buried flexible pipelines. . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
Buried flexibl flexiblee Publ Publish ished ed concu concurren rrentl tly y with with this this Stand Standard ard is AS/NZS AS/NZS 2566 2566.1 .1 Supp Supp 1, 1, Buried pipeline pipeli ne — Part 1: Struc Structur tural al desig design— n— Commen Commentar taryy (Supp (Supple lemen mentt to AS 2566. 2566.1 1 —1997 —1997 , which which contain containss additio additional nal informati information on on and explana explanation tionss of particul particular ar technical technical aspects aspects of this Standard. Standard. I t also includ includes es an appendix appendix with examples examples showing showing the applica application tionss of the provisions provisions of this Standard.
Statement Statementss expressed expressed in mandatory mandatory terms in notes notes to figures and tables tables are deemed deemed to be requirements of this Standard. The The term term ‘nor ‘normat mativ ive’ e’ has been been used used in this this Stan Standa dard rd to defin definee the the appl applic icati ation on of the the append appendix ix to which it applie applies. s. A ‘ normativ normative’ e’ append appendix ix is an integral integral part part of a Standar Standard. d.
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AS/NZS 2566.1:1998
CONTENTS Page
SECTION SECTION 1 SCOPE SCOPE AND GENERAL GENERAL 1. 1 SC OP OPE . . . . . . . . . . . . . . . . . . . . 1. 2 AP PL PLI CA CAT IO IO N . . . . . . . . . . . . . . 1.3 1.3 REFE EFEREN RENCED CED DOCUM DOCUMEN ENT TS . . . 1. 4 DE FI FIN I TI TI ON ON S . . . . . . . . . . . . . . . 1. 5 NO TA TAT IO ION . . . . . . . . . . . . . . . .
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SECTION SECTION 2 PIPE MATERIALS—C MATERIALS—CHARACTER HARACTERISTICS ISTICS 2.1 2.1 SCOP COPE OF OF SEC SECT TION ION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 RING-BE ING-BEND NDING ING STIFFNE TIFFNESS SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.3 2.3 TYPI YPICAL CAL PRO PROPER PERTI TIE ES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 SECTION SECTION 3 EMBEDME EMBEDMENT NT CHARACTERISTICS CHARACTERISTICS 3.1 3.1 SCOP COPE OF OF SEC SECT TION ION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 3.2 EMBEDM BEDME ENT GEO GEOME MET TRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 EMBE EMBEDME DMENT— NT—MA MATER TERIA IALS LS AND AND COM COMPACTI PACTION ON . . . . . . . . . . . . . . . . 3. 4 SO I L MOD UL U LI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SECTION SECTION 4 DESIGN DESIGN LOADS LOADS 4.1 4.1 SCOP COPE OF OF SEC SECT TION ION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 4.2 DESIGN ESIGN LOADS OADS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3 DESIGN ESIGN LOA LOADS DS DU DUE TO TO TREN TRENCH CH FILL FILL AND AND EMBAN EMBANKME KMENT NT FILL . . 4.4 4.4 EXTE XTERNA RNAL HYDRO HYDROST STAT ATIIC LOA LOADS . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 4.5 INTERN NTERNA AL PRE PRES SSURE SURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.6 DESIGN ESIGN LOA LOADS DS DUE DUE TO TO SUPER SUPERIMP IMPOSE OSED D DEAD DEAD LOADS LOADS . . . . . . . . . . 4.7 4.7 SUPERI UPERIM MPOSED POSED LIVE LIVE LOAD LOADS S .......................... . ....
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SECTION SECTION 5 DESIGN DESIGN 5.1 5.1 DESIGN ESIGN CRITER TERIA AN AND SCO SCOPE PE 5.2 5.2 DEFLEC EFLECT TION ION . . . . . . . . . . . . . . 5. 3 ST RE REN GT GTH . . . . . . . . . . . . . . . 5. 4 BU CK CKL IN ING . . . . . . . . . . . . . . . 5.5 5.5 OTHER THER CON CONS SIDER IDERA ATIONS TIONS . . .
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APPENDICES A LIST OF OF REFER REFERENC ENCED ED DOC DOCUM UME ENTS . . . . . . . . . . . B PRODUCT RODUCT STANDA TANDARDS RDS FOR FLEX FLEXIB IBLE LE PIPE PIPES S . . . C EMBEDMENT EMBEDMENT MATERIALS—MAXIMU MATERIALS—MAXIMUM M PARTICLE PARTICLE GRAD RADING LIM LIMITS ITS . . . . . . . . . . . . . . . . . . . . . . . . . .
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AS/NZS 2566.1:1998
STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND Australian/New Zealand Standard Buried flexible pipelines Part 1: 1: Structural Structural design design S E C T I O N 1. 1
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1
S CO P E
A N D
G E N E R A L
S CO CO P E
This This Stan Standa dard rd sets sets out out a practi ractice ce for for the the stru struct ctura urall desi design gn of burie buried d flexibl flexiblee pipelin pipelines es which rely primarily upon side suppo support rt to r esist vertica verticall loads loads without without excessive excessive deformatio deformation. n. The interactiv interactivee pipe/emb pipe/embedm edment ent structure structure is conside considered red only only in the trans transve verse rse direct direction ion.. Structu Structural ral performa performance nce is predic predicte ted d in the the long long-ter -term m for pipes pipes in trenc trenche hess and and embank embankmen ments ts but not for jack jacked ed or bored bored line lines. s. For the purpo purposes ses of this this Standar Standard, d, the the long-te long-term rm design design basis basis is 50 years, to take account account of creep and other other timetimedepen epende dent nt effect effects. s. The The equa equati tion onss used used in this this Stand tandar ard d appl apply y to pipe pipess with outs utside ide diamete diameters rs equal equal to or greater greater than than 75 mm, initial initial ring-ben ring-bendin ding g stiffness stiffness equal to or greater greater than 125 1250 N/m/ N/m/m m and and long-t ng-ter erm m ring ing-ben -bend ding ing stif stifffness ness equa qual to or grea greate terr than 625 N/m/m. This This Stand Standar ard d prov provid ides es meth method odss and and data data for for calc calcul ulat atin ing g the the resp respons onse of a pipe pipe to loadin loadings gs from— (a )
soil;
(b)
supe superimp rimpos osit ition ionss on the the soil; soil; and and
(c)
both both posit positiv ivee and negati negative ve intern internal al pressu pressures. res.
1.2
APPLI APPLICAT CATIO ION N
This Standard provides a basis for assessing the selection of pipe class class and embedmen embedmentt methods methods.. It applies applies to flexible flexible pipes pipes convey conveying ing water, water, waste water, stormwater stormwater or slurry, f or both both pressure pressure and non-pres non-pressure sure applica applicatio tions, ns, or as conduits conduits for the the later later installa installation tion of cables cables or pipes. pipes. This Standard is applicable to flexible pipes, manufactured from the materials listed in the table below, that are— (a)
homog homogen eneo eous us or comp compos osite ite;;
(b)
creep creep affected affected (plas (plastic tics) s) or unaffect unaffected ed (metall (metallic ic); ); or
(c) (c)
plai plain n or struct tructure ured d wall wall.. Ab b re v iati on
Ma t er i al
Plastics
ABS GRP PVC OPVC PE
Acrylonitrile Acrylonitrile butadiene butadiene styrene Glass filament reinforced plastics Polyvinyl Polyvinyl chloride Oriented PVC Polyethylene
Metallic
AL DI MS
Aluminium Ductile iron Steel
COPYRIGHT
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AS/NZS 2566.1:1998, Buried flexible pipelines Structural design . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 6 e e r f a s i s i h T
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