1、ACI 440.5M-08Reported by ACI Committee 440Specification for Constructionwith Fiber-Reinforced PolymerReinforcing BarsAn ACI StandardSpecification for Construction with Fiber-Reinforced Polymer Reinforcing BarsFirst PrintingJuly 2008ISBN 978-0-87031-288-5American Concrete InstituteAdvancing concrete
2、knowledgeCopyright by the American Concrete Institute, Farmington Hills, MI. All rights reserved. This materialmay not be reproduced or copied, in whole or part, in any printed, mechanical, electronic, film, or otherdistribution and storage media, without the written consent of ACI.The technical com
3、mittees responsible for ACI committee reports and standards strive to avoid ambiguities,omissions, and errors in these documents. In spite of these efforts, the users of ACI documents occasionallyfind information or requirements that may be subject to more than one interpretation or may beincomplete
4、 or incorrect. Users who have suggestions for the improvement of ACI documents arerequested to contact ACI. Proper use of this document includes periodically checking for errata atwww.concrete.org/committees/errata.asp for the most up-to-date revisions.ACI committee documents are intended for the us
5、e of individuals who are competent to evaluate thesignificance and limitations of its content and recommendations and who will accept responsibility for theapplication of the material it contains. Individuals who use this publication in any way assume all risk andaccept total responsibility for the
6、application and use of this information.All information in this publication is provided “as is” without warranty of any kind, either express or implied,including but not limited to, the implied warranties of merchantability, fitness for a particular purpose ornon-infringement.ACI and its members dis
7、claim liability for damages of any kind, including any special, indirect, incidental,or consequential damages, including without limitation, lost revenues or lost profits, which may resultfrom the use of this publication.It is the responsibility of the user of this document to establish health and s
8、afety practices appropriate tothe specific circumstances involved with its use. ACI does not make any representations with regard tohealth and safety issues and the use of this document. The user must determine the applicability of allregulatory limitations before applying the document and must comp
9、ly with all applicable laws and regulations,including but not limited to, United States Occupational Safety and Health Administration (OSHA) healthand safety standards.Order information: ACI documents are available in print, by download, on CD-ROM, through electronicsubscription, or reprint and may
10、be obtained by contacting ACI.Most ACI standards and committee reports are gathered together in the annually revised ACI Manual ofConcrete Practice (MCP).American Concrete Institute38800 Country Club DriveFarmington Hills, MI 48331U.S.A.Phone: 248-848-3700Fax: 248-848-3701www.concrete.orgACI 440.5M-
11、08 was adopted April 30, 2008, and published June 2008.Copyright 2008, American Concrete Institute.All rights reserved including rights of reproduction and use in any form or by anymeans, including the making of copies by any photo process, or by electronic ormechanical device, printed, written, or
12、oral, or recording for sound or visual reproductionor for use in any knowledge or retrieval system or device, unless permission in writingis obtained from the copyright proprietors.440.5M-1Specification for Construction with Fiber-Reinforced Polymer Reinforcing BarsAn ACI StandardReported by ACI Com
13、mittee 440ACI 440.5M-08This Reference Specification covers construction using fiber-reinforcedpolymer reinforcing bars that the Architect/Engineer can make applicableto any construction project by citing it in the Project Specifications. TheArchitect/Engineer supplements the provisions of this Refer
14、ence Specificationas needed by designating or specifying individual project requirements.Keywords: concrete; concrete construction; fiber-reinforced polymerreinforcement; placing; specification; tolerance.NOTE TO SPECIFIERThis Specification is incorporated by reference in theProject Specification us
15、ing the wording in P3 of the Prefaceand including information from the Mandatory Requirements,Optional Requirements, and Submittals Checklists followingthe Specifications.PREFACEP1. ACI Specification 440.5M-08 is intended to be usedby reference or incorporation in its entirety in the ProjectSpecific
16、ation. Do not copy individual Parts, Sections, Articles,or Paragraphs into the Project Specification, because takingthem out of context may change their meaning.P2. If Sections or Parts of ACI Specification 440.5M-08are copied into the Project Specification or any other document,do not refer to them
17、 as an ACI Specification, because thespecification has been altered.P3. A statement such as the following will serve to makeACI Specification 440.5M-08 a part of the Project Specifica-tion: “Work on (Project Title) shall conform to all requirementsof ACI 440.5M-08, “Specification for Construction wi
18、thFiber-Reinforced Polymer Reinforcing Bars,” published bythe American Concrete Institute, Farmington Hills, Michigan,except as modified by these Contract Documents.”P4. Each technical Section of ACI Specification 440.5M-08is written in the three-part Section format of the ConstructionSpecifications
19、 Institute, as adapted for ACI requirements.The language is imperative and terse.Tarek Alkhrdaji Russell Gentry James G. Korff Andrea ProtaCharles E. Bakis Janos Gergely Michael W. Lee Hayder A. RasheedLawrence C. Bank*William J. Gold Maria Lopez de Murphy Sami H. RizkallaAbdeldjelil Belarbi Nabil F
20、. Grace Ibrahim M. Mahfouz Morris SchupackBrahim Benmokrane Mark F. Green Orange S. Marshall Rajan SenLuke A. Bisby Zareh B. Gregorian Amir Mirmiran Khaled A. SoudkiGregg J. Blaszak Doug D. Gremel*Ayman S. Mosallam Samuel A. Steere III*Timothy E. Bradberry*Shawn P. Gross John J. Myers Gamil S. Tadro
21、sGordon L. Brown Jr. H. R. (Trey) Hamilton III Antonio NanniJay A. ThomasVicki L. Brown Issam E. Harik Kenneth Neale Houssam A. ToutanjiRaafat El-Hacha Kent A. Harries John P. Newhook J. Gustavo TumialanGarth J. Fallis*Mark P. Henderson*Ayman M. Okeil Milan VatovecAmir Z. Fam Bohdan N. Horeczko Carl
22、os E. Ospina*Stephanie L. WalkupEdward R. Fyfe Vistasp M. Karbhari Max L. Porter David WhiteJohn P. BuselChairCarol K. Shield*Secretary*Contributing authors.Task group Chair.The committee also thanks Nick Carino, Bernard Drouin, and Renato Parretti for their contributions.440.5M-2 ACI STANDARDP5. Th
23、e Specification is written to the Contractor. When aprovision of this Specification requires action by theContractor, the verb “shall” is used. If the Contractor isallowed to exercise an option when limited alternatives areavailable, the phrasing “either.or.” is used. Statementsprovided in the Speci
24、fication as information to the Contractoruse the verbs “may” or “will.” Informational statementstypically identify activities or options that “will be taken” or“may be taken” by the Owner or Architect/Engineer.CONTENTSPreface, p. 440.5-1Part 1General, p. 440.5-21.1Scope1.2Definitions1.3Reference sta
25、ndards1.4Submittals1.5Materials delivery, storage, and handlingPart 2Products, p. 440.5-22.1Materials2.2FabricationPart 3Execution, p. 440.5-33.1Preparation3.2Bar placement3.3Repair of fiber-reinforced polymer bars3.4Field cutting of fiber-reinforced polymer reinforcement3.5Concrete placementForewor
26、d to checklists, p. 440.5-5Mandatory requirements checklist, p. 440.5-5Optional requirements checklist, p. 440.5-5Submittals checklist, p. 440.5-5PART 1GENERAL1.1Scope1.1.1 Work specifiedThis Specification covers cast-in-place structural concrete reinforced with fiber-reinforcedpolymer (FRP) bars ex
27、cept where other provisions arespecified in the Contract Documents.1.1.2 Work not specifiedThe subjects covered by ACI301M are not in the scope of this Specification.1.2Definitionsacceptable or accepteddetermined to be satisfactory bythe Architect/Engineer.acceptanceacknowledgment by Architect/Engin
28、eerthat submittal or completed work is acceptable.Architect/Engineerthe architect, engineer, architecturalfirm, or engineering firm issuing Contract Documents oradministering the Work under Contract Documents, or both.dielectrica substance, such as porcelain, glass, andmost plastics, that is a poor
29、conductor of electricity but anefficient supporter of electrostatic fields.1.3Reference standards1.3.1 Reference standardsStandards of ACI referred toin this Specification are listed with serial designationincluding year of adoption or revision, and are part of thisSpecification.1.3.1.1 ACI standard
30、s117-06 Specifications for Tolerances for ConcreteConstruction and Materials301M-05 Specifications for Structural Concrete440.6M-08 Specification for Carbon and Glass Fiber-Reinforced Polymer (FRP) Bar Materials forConcrete Reinforcement1.4SubmittalsUnless otherwise required by Contract Documents, s
31、ubmitdata and drawings specified in 1.4.1 through 1.4.3 for reviewand acceptance before fabrication and execution:1.4.1 Submit the data specified in 1.4.1.1 through 1.4.1.4unless otherwise specified:1.4.1.1 FRP reinforcementSubmit FRP bar manufac-turers certified test report.1.4.1.2 Placing drawings
32、Submit placing drawingsshowing fabrication dimensions and placement locations ofFRP reinforcement and reinforcement supports.1.4.1.3 SplicesSubmit a list of splices and request touse splices not indicated in Contract Documents.1.4.1.4 SupportsSubmit description of reinforcementsupports and materials
33、 for fastening reinforcement notdescribed in 2.1.3.1.4.2 FRP reinforcement relocationWhen alternativesare proposed, submit a request to relocate any FRP reinforce-ment that exceeds specified placement tolerances. Includenew arrangement of reinforcement and justification fornew arrangement.1.4.3 Insp
34、ection and quality controlSubmit qualityassurance/quality control program of plant manufacturingFRP reinforcement unless otherwise specified.1.5Materials delivery, storage, and handling1.5.1 Prevent bending, coating with earth, oil, or othermaterial, or otherwise damaging the FRP reinforcement.1.5.2
35、 When handling FRP reinforcement, use equipmentthat avoids damaging or abrading the FRP bar. Lift bundlesof FRP reinforcement at multiple pickup points. Do not dropor drag FRP reinforcement.1.5.3 FRP reinforcing bars shall be stored above thesurface of the ground on platforms, skids, or other suppor
36、tsas close as possible to the point of placement. If storedoutdoors for more than 4 months, the FRP reinforcing barsshall be covered with opaque plastic or other types of coverthat protect the bars from ultraviolet rays.1.5.4 Prevent exposure of FRP reinforcing bars totemperatures above 50 C during
37、storage.PART 2PRODUCTS2.1Materials2.1.1 FRP reinforcing barsFRP reinforcement shall bedeformed, sand coated, or both to provide bond withconcrete unless otherwise stated in the Contract Documents.SPECIFICATION FOR CONSTRUCTION WITH FRP REINFORCING BARS 440.5M-3FRP reinforcement shall be the types an
38、d sizes required byContract Documents and shall conform to ACI 440.6M-08.2.1.1.1 Permitted damageThe maximum total unre-paired visible damage permitted on each linear meter of eachFRP bar shall not exceed 2% of the surface area in that linearmeter of bar. The depth of the permissible damage shall no
39、texceed 1 mm.2.1.2 Grids and gratingsPremanufactured grids andgratings are not covered by this Specification. Mat reinforce-ment made of preassembled FRP bars is covered by thisSpecification.2.1.3 FRP reinforcement supportsUse reinforcementsupports made of dielectric material or, if ferrous, coatedw
40、ith dielectric material, including epoxy or another polymer.2.1.4 Precast concrete reinforcement supportsUseconcrete supports that have a surface area of not less than2500 mm 2and a compressive strength and durabilityproperties equal to or greater than the specified compressivestrength of the concre
41、te being placed.2.2Fabrication2.2.1 FRP reinforcementNo field fabrication ispermitted except tying of FRP reinforcing bars, field cuttingin accordance with the design or placement drawings, orboth. Field cutting shall be performed as described in 3.4.PART 3EXECUTION3.1Preparation3.1.1 When concrete
42、is placed, FRP reinforcement shall befree of materials deleterious to mechanical bond.3.2Bar placement3.2.1 TolerancesPlace, support, and fasten FRP rein-forcement as shown on the Project Drawings. Do not exceedthe placing tolerances specified in ACI 117 before concreteis placed. Placing tolerances
43、shall not reduce cover require-ments except as specified in ACI 117.3.2.2 FRP reinforcement relocationWhen it is necessaryto move FRP reinforcement beyond the specified placingtolerances to avoid interference with other reinforcement,conduits, or embedded items, submit the resulting reinforce-ment a
44、rrangement for approval.3.2.3 Concrete coverUnless otherwise specified,concrete cover for FRP reinforcement shall be as indicated inTable 3.1. Table 3.1 reports specified concrete cover require-ments for FRP reinforcement for all exposure conditionsexcept those required for additional fire protectio
45、n. Forbundled FRP bars, specified concrete cover shall be equal tothe equivalent diameter of the bundle, but need not be greaterthan 50 mm, except the specified cover shall not be less thanindicated in Table 3.1. The equivalent diameter of the bundleshall be computed based on the total area of the b
46、undle.Tolerances on specified concrete cover shall meet therequirements of ACI 117.3.2.4 FRP reinforcement supportsUnless otherwisepermitted, use the reinforcement supports as given in 3.2.4.1through 3.2.4.7.3.2.4.1 Use precast concrete reinforcement supports tosupport reinforcement from the ground
47、or a mud mat.3.2.4.2 Use wire reinforcement supports that are galva-nized, coated with dielectric material, or made of dielectricmaterial (including FRP) to support FRP reinforcement.3.2.4.3 Reinforcement and embedded steel items usedwith FRP reinforcement shall be zinc-coated (galvanized) orcoated
48、with nonmetallic materials, or stainless steel or stain-less steel clad. In the case of carbon FRP (CFRP) bars, zinccoatings, stainless steel, or stainless steel clad shall not beused in direct contact with CFRP bars.3.2.4.4 Use steel wires or dowels coated with dielectricmaterial or stainless steel
49、 when precast concrete reinforce-ment supports with embedded steel tie wires or dowels areused with FRP reinforcement.3.2.4.5 Reinforcement used as supports for FRP rein-forcement shall be epoxy-coated or made of FRP.3.2.4.6 In walls, use spreader bars that are epoxy-coatedsteel or made of FRP. Proprietary combination bar clips andspreaders used in walls with FRP reinforcement shall be madeof corrosion-resistant material or coated with dielectric material.3.2.4.7 Tie wire shall be plastic- or polymer-coated wire.For applications requirin
