1、Designation:C108913Standard 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.2.Referenced Documents2.1 ASTM Standards:2A82/A82M Spe
4、cification for Steel Wire,Plain,for ConcreteReinforcement(Withdrawn 2013)3A416/A416M Specification for Steel Strand,UncoatedSeven-Wire for Prestressed ConcreteA421/A421M Specification for Uncoated Stress-RelievedSteel Wire for Prestressed ConcreteA496/A496M Specification for Steel Wire,Deformed,forC
5、oncrete Reinforcement(Withdrawn 2013)3A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete ReinforcementA617/A617M Specification for Axle-Steel Deformed andPlain Bars for Concrete Reinforcement(Withdrawn1999)3A641/A641M Specification for ZincCoated(Galvanized)Carbon Steel W
6、ireA706/A706M Specification for Low-Alloy Steel Deformedand Plain Bars for Concrete ReinforcementA722/A722M Specification for Uncoated High-StrengthSteel Bars for Prestressing ConcreteC31/C31M Practice for Making and Curing Concrete TestSpecimens in the FieldC33 Specification for Concrete Aggregates
7、C39/C39M Test Method for Compressive Strength of Cylin-drical Concrete SpecimensC42/C42M Test Method for Obtaining and Testing DrilledCores and Sawed Beams of ConcreteC150 Specification for Portland CementC172 Practice for Sampling Freshly Mixed ConcreteC260 Specification for Air-Entraining Admixtur
8、es for Con-creteC330 Specification for Lightweight Aggregates for Struc-tural ConcreteC494/C494M Specification for Chemical Admixtures forConcreteC595 Specification for Blended Hydraulic CementsC618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in Concrete2.2 AASHTO Stan
9、dard:Specifications for Structural Supports for Highway Signs,Luminaires and Traffic Signals(LTS-5)42.3 IEEE Standard:National Electrical Safety Code52.4 PCI Guides:Guide for Design of Prestressed Concrete Poles6Guide Specification for Prestressed Concrete Poles63.Terminology3.1 Definitions:3.1.1 cr
10、acking loada load which creates a bending 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.3.1.2 spun polea pole in which the concrete is distributeda
11、nd 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.1This specification is under the jurisdiction ofASTM Committee C27 on PrecastConcrete Products and is the direct responsibili
12、ty of Subcommittee C27.20 onArchitectural and Structural Products.Current edition approved Jan.1,2013.Published February 2013.Originallyapproved in 1988.Last previous edition approved in 2006 as C1089 06.DOI:10.1520/C1089-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontac
13、t ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American Association of State Highway and
14、 TransportationOfficials,444 N.Capitol Street,NW,Washington,DC 20001.5Available from Institute of Electrical and Electronics Engineers,Inc.(IEEE),445 Hoes Ln.,Piscataway,NJ 08854,http:/www.ieee.org.6Available from Prestressed Concrete Institute,209 West Jackson Blvd.,Chicago,IL 60606.Copyright ASTM
15、International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 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 concretecylinder
16、s and mill certificates for the reinforcing steel.Awritten statement,signed by the manufacturer,shall verify thatthe cement,aggregates,admixtures,and steel conform to theapplicable specifications for the material.Concrete strengthshall be determined by the compressive strength tests ofcylinders.The manufacturers statement shall also certifyadherence to tolerance on dimensions and mass.Acceptabilityof the poles produced in accordance with this specification mayalso be determined by the results of
