ACI 548.14M-2014 Specification for Repairing Concrete with Epoxy Mortar.pdf

1、ACI 548.14M-14Specification for Repairing Concrete with Epoxy MortarReported by ACI Committee 548An ACI StandardFirst PrintingMay 2015ISBN: 978-1-94272-720-0Specification for Repairing Concrete with Epoxy MortarCopyright by the American Concrete Institute, Farmington Hills, MI. All rights reserved.

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7、 any special, indirect, incidental, or consequential damages, including without limitation, lost revenues or lost profits, which may result from the use of this publication.It is the responsibility of the user of this document to establish health and safety practices appropriate to the specific circ

8、umstances involved with its use. ACI does not make any representations with regard to health and safety issues and the use of this document. The user must determine the applicability of all regulatory limitations before applying the document and must comply with all applicable laws and regulations,

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10、orsement of ACI or the standards that it develops.Order information: ACI documents are available in print, by download, on CD-ROM, through electronic subscription, or reprint and may be obtained by contacting ACI.Most ACI standards and committee reports are gathered together in the annually revised

11、ACI Manual of Concrete Practice (MCP).American Concrete Institute38800 Country Club DriveFarmington Hills, MI 48331Phone: +1.248.848.3700Fax: +1.248.848.3701www.concrete.orgThe official version of this ACI document uses inch-pound units. A conversion of an ACI document into SI units is for the conve

12、-nience of users. Care has been taken to ensure that the conversion is correct; however, ACI does not guarantee its accuracy. Official interpretation of this ACI document shall be based only on the U.S. customary units.This specification describes the work of repairing defects in hard-ened portland-

13、cement concrete with an epoxy mortar. Included are controls for epoxy resin system labeling, storage, handling, surface evaluation and preparation, mixing and application, inspection, quality control, and testing.Keywords: adhesion to concrete; aggregate; concrete construction; epoxy; epoxy mortar;

14、hardened concrete; quality control; repairs; resurfacing.Contents(mandatory portion follows)PARt 1GeneRAL, p. 21.1Scope, p. 21.2Interpretation, p. 21.3Definitions, p. 21.4Referenced standards, p. 21.5Submittals, p. 21.6Product delivery, storage, and handling, p. 21.7Project conditions, p. 3PARt 2PRo

15、DUCts, p. 32.1Materials, p. 3PARt 3eXeCUtIon, p. 33.1Preparation, p. 33.2Inspection of surface prior to epoxy mortar appli-cation, p. 33.3Epoxy mortar mixtures, p. 33.4Epoxy mortar application, p. 33.5Field quality control, p. 33.6Cleanup, p. 33.7Safety, p. 4(nonmandatory portion follows)notes to sP

16、eCIFIeR, p. 4General notes, p. 4Bradley Nemunaitis, Chair Mahmoud M. Reda Taha, SecretaryACI 548.14M-14specification for Repairing Concrete with epoxy MortarAn ACI StandardReported by ACI Committee 548Ashraf I. AhmedMohammad A. AlhassanMilton D. AndersonJacques A. BertrandConstantin BodeaChris Davis

17、David W. FowlerQuentin L. HibbenAlbert O. KaedingJohn R. MillironMyles A. MurrayJoseph A. Nuciforo Jr.John R. RobinsonMichael L. SchmidtJoe SolomonMichael M. SprinkelMichael S. StenkoDonald P. TragianeseWafeek S. WahbyDavid WhiteDavid P. WhitneyRichard E. WollmershauserConsulting MembersLu AnqiCraig

18、 A. BallingerJohn J. BartholomewShashi P. BhatnagarZhi-Yuan ChenInz Lech CzarneckiHarold (Dan) R. EdwardsLarry J. FarrellJack J. FontanaGeorge HoreczkoDavid P. HuBert Paw KriekemansDeon KrugerWilliam LeeTroy D. MadeleyHenry N. Marsh Jr.Peter MendisPeter J. MossYoshihiko OhamaKelly M. PageJerzy Pietr

19、zykowskiHamid SaadatmaneshDonald A. SchmidtMeyer SteinbergHarold H. Weber Jr.ACI 548.14M-14 was adopted December 18, 2014 and published May 2015.Copyright 2015, American Concrete Institute.All rights reserved including rights of reproduction and use in any form or by any means, including the making

20、of copies by any photo process, or by electronic or mechanical device, printed, written, or oral, or recording for sound or visual reproduc-tion or for use in any knowledge or retrieval system or device, unless permission in writing is obtained from the copyright proprietors.1FoReWoRD to CHeCKLIsts,

21、 p. 4MAnDAtoRY ReQUIReMents CHeCKLIst, p. 5oPtIonAL ReQUIReMents CHeCKLIst, p. 5(mandatory portion follows)PARt 1GeneRAL1.1scope1.1.1 This specification covers the repairing of defects in hardened concrete with an epoxy mortar as specified in Contract Documents.1.1.2 This specification governs for c

22、onstruction within its scope, except the Contract Documents govern if there is a conflict.1.1.3 Values in this specification are stated in SI units. A companion specification in inch-pound units is also available.1.1.4 The Notes to Specifier are not part of this specification.1.2InterpretationUnless

23、 otherwise explicitly stated, this specification shall be interpreted using the following principles:(a) Interpret this specification consistent with the plain meaning of the words and terms used.(b) Definitions provided in this specification govern over the definitions of the same or similar words

24、or terms found elsewhere.(c) Whenever possible, interpret this specification so that its provisions are in harmony and do not conflict.(d) Headings are part of this specification and are intended to identify the scope of the provisions or sections that follow. If there is a difference in meaning or

25、implication between the text of a provision and a heading, the meaning in the text governs.(e) Where a provision of this specification involves two or more items, conditions, requirements, or events connected by the conjunctions “and” or “or,” interpret the conjunction as follows:“and” indicates tha

26、t all of the connected items, conditions, requirements, or events apply.“or” indicates that the connected items, conditions, requirements, or events apply singularly.(f) The use of the verbs “may” or “will” indicates that the specification provision is for information to the Contractor.1.3Definition

27、sThe following definitions govern in this specification. For definitions not given below, refer to “ACI Concrete Termi-nology,” http:/www.concrete.org/Tools/ConcreteTermi-nology.aspx.accepteddetermined to be satisfactory by Architect/Engineer.Architect/Engineerarchitect, engineer, architectural firm

28、, or engineering firm developing Contract Documents or administering the Work under Contract Documents, or both.Contract Documentsa set of documents supplied by the Owner to bidders during bidding phase of a construc-tion project. These documents include general requirements, contract forms, contrac

29、t conditions, specification, drawings, and addenda.Contractorthe person, firm, or entity under contract for construction of Work.defectan imperfection of sufficient size or magni -tude to causes nonconformance from the intended state or performance.epoxya thermosetting polymer that is the reaction p

30、roduct of epoxy resin and hardener.epoxy mortara mixture of epoxy resin, hardener, and fine aggregate.Ownerthe corporation, association, partnership, individual, public body, or authority for whom Work is constructed.submitprovide to Architect/Engineer for review.submittaldocument or material provid

31、ed to the Archi-tect/Engineer for review and acceptance.Workthe entire construction or separately identifi-able parts thereof required to be furnished under Contract Documents.1.4Referenced standardsStandards of ASTM referred to in this standard are listed with serial designations, including year of

32、 adoption or revi-sion, and are part of this standard.1.4.1 ASTM InternationalASTM C579-01(2012)Standard Test Methods for Compressive Strength of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer ConcretesASTM C881/C881M-13Standard Specification for Epoxy-Resin-Base Bonding Syst

33、ems for ConcreteASTM C1583/C1583M-13Standard Test Method for Tensile Strength of Concrete Surfaces and the Bond Strength or Tensile Strength of Concrete Repair and Overlay Mate-rials by Direct Tension (Pull-off Method)1.5submittals1.5.1 CertificationsSubmit manufacturers certification verifying conf

34、ormance to material specifications.1.5.2 Application controlSubmit mixing and applica-tion procedures for acceptance prior to use.1.5.3 DataSubmit manufacturers technical data sheets and material safety data sheets (MSDS).1.5.4 Preparation proceduresSubmit surface prepara-tion procedures and equipme

35、nt.1.6Product delivery, storage, and handling1.6.1 Delivery of materialsDeliver all materials in sealed containers with labels legible and intact.1.6.2 LabelingOnly use materials that are marked with the following information:a) Name of manufacturerb) Manufacturers product identificationc) Manufactu

36、rers instructions for mixingAmerican Concrete Institute Copyrighted Material www.concrete.org2 sPeCIFICAtIon FoR RePAIRInG ConCRete WItH ePoXY MoRtAR (ACI 548.14M-14)d) Warning for handling and toxicitye) Expiration date and lot number1.6.3 Storage of materialsStore all materials at temper-atures be

37、tween 4 and 38C, unless otherwise recommended by manufacturer.1.6.4 Handling of materialsHandle all materials to avoid breaking container seals and in accordance with the MSDS and manufacturers recommendations.1.7Project conditions1.7.1 Environmental requirementsComply with manu-facturers recommenda

38、tions and specified project condi-tions regarding environmental conditions under which the epoxy mortar shall be applied and cured, unless otherwise specified.PARt 2PRoDUCts2.1Materials2.1.1 Epoxy resin systemUse ASTM C881/C881M Type III epoxy-resin bonding system, unless otherwise speci-fied. Curin

39、g temperature requirements (class) and viscosity (grade), as well as special requirements regarding either the components or the final system, shall be appropriate for specified project conditions.2.1.2 Fine aggregateUse fine aggregate that conforms to the requirements of the epoxy resin system manu

40、facturer.2.1.3 Epoxy mortarThe combined epoxy resin system and fine aggregate, in ratios recommended by the epoxy resin system manufacturer, shall have a compressive strength of at least 35 MPa, unless otherwise specified, when tested in accordance with ASTM C579.2.1.4 CompatibilityMaterials shall b

41、e compatible with materials or related Work with which they come into contact.PARt 3eXeCUtIon3.1Preparation3.1.1 Preparation of concrete surfaces3.1.1.1 Mechanical abrasionConcrete surfaces to which epoxy mortar is to be applied shall be newly prepared concrete free of loose and unsound materials. P

42、repare surfaces according to one of the following, unless other-wise specified: shotblasting, sandblasting, scarifying, or waterblasting.3.2Inspection of surface prior to epoxy mortar application3.2.1 Inspect all prepared concrete surfaces prior to appli-cation of epoxy mortar.3.2.2 Prepared surface

43、s shall be sound concrete that exhibits a minimum average pull-off strength of 1.7 MPa, unless otherwise specified, using the procedure described in ASTM C1583/C1583M, except that the tensile adhe-sion evaluation shall not be performed at concrete surface temperatures above 27C. Contact the Architec

44、t/Engineer to determine test locations.3.2.3 Surface shall be free of deleterious materials such as laitance, curing compounds, dust, dirt, oil, and incom-patible materials from previous repairs. Materials resulting from surface preparation shall be removed. Any limitations on the removal of prepara

45、tion materials shall be as specified in Contract Documents.3.2.4 At the time of installation, surface temperature of the concrete shall be at least 4C, unless otherwise specified, for ASTM C881/C881M Classes A and B multi-component epoxy adhesives to permit wetting of concrete surface by epoxy morta

46、r. Surface temperature shall be at least 16C for ASTM C881/C881M Class C multi-component epoxy adhesives.3.2.5 All concrete surfaces shall not exceed saturated surface-dry conditions at the time of installation, unless otherwise specified.3.3epoxy mortar mixtures3.3.1 Condition epoxy mortar componen

47、ts to be at a temperature between 16 and 38C, unless otherwise recom-mended by manufacturer.3.3.2 Mix epoxy mortar components, including fine aggre-gate, as recommended by the epoxy resin system manufac-turer, in a clean container.3.3.3 Blend epoxy mortar components with a mechanical mixer to a unif

48、orm and homogeneous mixture. Mix small batches (up to 1 L) by use of spatulas, palette knives, or similar devices.3.4epoxy mortar application3.4.1 Apply epoxy mortar to concrete surface with trowel or screed. Thickness shall be within the limits recommended by the epoxy resin system manufacturer.3.4

49、.2 Work epoxy mortar into place and consolidate so that all contact surfaces are wet by the epoxy mortar.3.4.3 Finish surface of epoxy mortar to texture required for the specific application.3.4.4 Upon completion of finishing operations, allow epoxy mortar to cure in accordance with epoxy resin system manufacturers recommendations.3.5Field quality control3.5.1 Test in accordance with ASTM C1583/C1583M. An evaluation shall be the average of three tests within the test location and have a minimum average pull-off