1、Designation:C108919Standard Specification forSpun Cast Prestressed Concrete Poles1This standard is issued under the fixed designation C1089;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parenth
2、eses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers spun cast prestressed concretepoles for use as structural supports for electric transmission,distribution,and communication lines;
3、streetlights;and trafficsignals.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This international standard was developed in accor
4、-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Sta
5、ndards:2A416/A416M Specification for Low-Relaxation,Seven-Wire Steel Strand for Prestressed ConcreteA421/A421M Specification for Stress-Relieved Steel Wirefor Prestressed ConcreteA615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete ReinforcementA641/A641M Specification for
6、ZincCoated(Galvanized)Carbon Steel WireA706/A706M Specification for Deformed and Plain Low-Alloy Steel Bars for Concrete ReinforcementA722/A722M Specification for High-Strength Steel Bars forPrestressed ConcreteA996/A996M Specification for Rail-Steel and Axle-SteelDeformed Bars for Concrete Reinforc
7、ementA1064/A1064M Specification for Carbon-Steel Wire andWelded Wire Reinforcement,Plain and Deformed,forConcreteC31/C31M Practice for Making and Curing Concrete TestSpecimens in the FieldC33/C33M Specification for Concrete AggregatesC39/C39M Test Method for Compressive Strength of Cylin-drical Conc
8、rete SpecimensC42/C42M Test Method for Obtaining and Testing DrilledCores and Sawed Beams of ConcreteC150/C150M Specification for Portland CementC172/C172M Practice for Sampling Freshly Mixed Con-creteC260/C260M Specification for Air-Entraining Admixturesfor ConcreteC330/C330M Specification for Ligh
9、tweight Aggregates forStructural ConcreteC494/C494M Specification for Chemical Admixtures forConcreteC595/C595M Specification for Blended Hydraulic CementsC618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in Concrete2.2 AASHTO Standard:Specifications for Structural Supp
10、orts for Highway Signs,Luminaires and Traffic Signals(LTS-5)32.3 IEEE Standard:National Electrical Safety Code42.4 PCI Guides:Guide for Design of Prestressed Concrete Poles5Guide Specification for Prestressed Concrete Poles53.Terminology3.1 Definitions:3.1.1 cracking loada load which creates a bendi
11、ng mo-ment of enough magnitude to produce a tensile stress greaterthan the sum of induced compression plus the tensile strengthof the concrete resulting in tensile cracks on the tension face ofthe pole.1This specification is under the jurisdiction ofASTM Committee C27 on PrecastConcrete Products and
12、 is the direct responsibility of Subcommittee C27.20 onArchitectural and Structural Products.Current edition approved May 1,2019.Published May 2019.Originallyapproved in 1988.Last previous edition approved in 2013 as C1089 13.DOI:10.1520/C1089-19.2For referenced ASTM standards,visit the ASTM website
13、,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Association of State Highway and TransportationOfficials,444 N.Capitol Street,NW,Washington,DC
14、 20001.4Available from Institute of Electrical and Electronics Engineers,Inc.(IEEE),445 Hoes Ln.,Piscataway,NJ 08854,http:/www.ieee.org.5Available from Prestressed Concrete Institute,209 West Jackson Blvd.,Chicago,IL 60606.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohoc
15、ken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organizati
16、on Technical Barriers to Trade(TBT)Committee.1 3.1.2 spun polea pole in which the concrete is distributedand compacted through centrifugal force.3.1.3 ultimate loadmaximum load the pole will carry inthe specified direction,before the concrete or steel will reachits limiting state.4.Basis of Acceptance4.1 Acceptability of spun prestressed concrete poles pro-duced in accordance with this specification shall be determinedby the results of compressive strength tests of concretecylinders and mill cer
