ACI 301M-2016 Specifications for Structural Concrete.pdf

1、Specifications for Structural ConcreteReported by ACI Committee 301ACI 301M-16An ACI StandardFirst PrintingJuly 2016ISBN: 978-1-942727-080-8Specifications for Structural ConcreteCopyright by the American Concrete Institute, Farmington Hills, MI. All rights reserved. This material may not be reproduc

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7、l, 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 circumstances involved with its use.

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10、that it develops.Order information: ACI documents are available in print, by download, 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 ACI Manual of Concrete Practice (MCP).Americ

11、an Concrete Institute38800 Country Club DriveFarmington Hills, MI 48331Phone: +1.248.848.3700Fax: +1.248.848.3701www.concrete.orgThis is a Reference Specification that the Architect/Engineer can apply to any construction project involving structural concrete by citing it in the Project Specification

12、s. A mandatory requirements checklist and an optional requirements checklist are provided to assist the Architect/Engineer in supplementing the provisions of this Specification as required or needed by designating or speci-fying individual project requirements.The first five sections of this Specifi

13、cation cover general construc-tion requirements for cast-in-place structural concrete and slabs-on-ground. These sections cover materials and proportioning of concrete; reinforcement and prestressing steel; production, placing, finishing, and curing of concrete; formwork performance criteria and con

14、struction; treatment of joints; embedded items; repair of surface defects; and finishing of formed and unformed surfaces. Provisions governing testing, evaluation, and acceptance of concrete as well as acceptance of the structures are included. The remaining sections are devoted to architectural con

15、crete, lightweight concrete, mass concrete, post-tensioned concrete, shrinkage-compensating concrete, industrial floor slabs, tilt-up construction, precast struc-tural concrete, and precast architectural concrete.Keywords: architectural; cold weather; compressive strength; consolida-tion; curing; du

16、rability; finish; formwork; grouting; hot weather; industrial floors; inspection; joints; lightweight concrete; mass concrete; mixture proportions; placing; post-tensioned; precast; prestressing steel; repair; reshoring; shoring; shrinkage-compensating; slab; slabs-on-ground; steel reinforcement; te

17、sting; tilt-up; tolerance; welded wire.ACI 301M-16Specifications for Structural ConcreteAn ACI StandardReported by ACI Committee 301James N. Cornell, Chair Michelle L. Wilson, SecretaryVoting MembersJon B. ArdahlRoger J. BeckerNicholas J. CarinoDomingo J. CarreiraMark F. ChrzanowskiTeck L. ChuaAntho

18、ny R. DeCarlo Jr.*Christopher C. FerraroSidney FreedmanJohn W. Gajda*Thomas M. GreeneDavid P. GustafsonCharles S. HanskatKenneth C. HoverSteven C. Jaycox*Larry B. Krauser*Colin L. LoboWard R. MalischFrank Stephen MalitsW. Calvin McCallDavid R. NauAimee PergalskyHenry B. Prenger*G. Michael RobinsonRi

19、chard S. SzecsyScott M. Tarr*Daniel B. Toon*John B. TurnerMiroslav F. VejvodaArthur T. Weiss Jr.Michael A. WhisonantDennis M. Wittry*Subcommittee Chairs.Subcommittee MembersAsit N. BaxiJason P. BrayKenneth CarlsonRamon L. CarrasquilloSteven R. CloseStephen J. CrawfordJack L. DavidDaniel P. Dorfmuell

20、erChris ForsterWilliam A. GiorgiTodd R. HawkinsonMichael G. HernandezGardner P. HorstJohn C. HukeyRobert S. JenkinsRoger S. JohnstonAlfred L. Kaufman Jr.Robert G. KentNeel R. KhosaDonald P. KlineLionel A. LemayKevin A. MacDonaldArthur W. McKinneyAndrew S. McPhersonBrian D. MillerHarry R. Moss Jr.The

21、odore L. NeffJoseph F. Neuber JrLance OsbourneJohn W. RohrerDavid B. ScottMatthew J. SheehanEdith G. SmithJason SwagertKuntay L. TalayMichael D. A. ThomasRalph H. TulisGregory R. WagnerWilliam H. WolfeZuming XiaDeceased.Consulting MemberEric S. Peterson.ACI 301M-16 supersedes ACI 301M-10, was adopte

22、d April 4, 2016, and published July 2016.Copyright 2016, American Concrete Institute.All rights reserved including rights of reproduction and use in any form or by any means, including the making of copies by any photo process, or by electronic or mechanical device, printed, written, or oral, or rec

23、ording 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.1SECTION 1GENERAL REQUIREMENTS1.1Scope1.1.1 This Specification covers construction of cast-in-place concrete, architectural conc

24、rete, lightweight concrete, mass concrete, post-tensioned concrete, shrinkage-compen-sating concrete, industrial floor slabs cast on ground, tilt-up construction, precast structural concrete, and precast archi-tectural concrete.1.1.2 Sections 1 through 5 apply to projects where this Speci-fication i

25、s referenced. Work covered by Sections 6 through 14 apply only if that Work is designated in Contract Documents.1.1.3 This Specification becomes part of the Contract Document and provides requirements for Contractor.1.1.4 This Specification governs for construction within its scope, except Contract

26、Documents govern if there is a conflict.1.1.5 Work not specifiedThe following Work is not in the scope of this Specification:(a) Manufactured concrete products specified by ASTM standards(b) Environmental concrete structures(c) Heavyweight shielding concrete(d) Paving concrete(e) Terrazzo(f) Insulat

27、ing concrete(g) Refractory concrete(h) Nuclear containment structures(i) Concrete piles; drilled piers; and caissons assigned to Seismic Design Categories A, B, and C(j) Fire safety (Underwriter Laboratories UL designs)(k) Shotcrete(l) Slipformed concrete walls1.1.6 This Specification governs if the

28、re is a conflict with referenced materials and testing standards.1.1.7 Contractor is permitted to submit written alterna-tives to any provision in this Specification.CONTENTSSECTION 1GENERAL REQUIREMENTS, p. 21.1Scope, p. 21.2Interpretation, p. 31.3Definitions, p. 31.4Referenced standards, p. 51.5Su

29、bmittals, p. 81.6Testing and inspection, p. 81.7Acceptance of structure, p. 101.8Protection of in-place concrete, p. 11SECTION 2FORMWORK AND FORMWORK ACCESSORIES, p. 112.1General, p. 112.2Products, p. 122.3Execution, p. 12SECTION 3REINFORCEMENT AND REINFORCEMENT SUPPORTS, p. 143.1General, p. 143.2Pr

30、oducts, p. 143.3Execution, p. 16SECTION 4CONCRETE MIXTURES, p. 184.1General, p. 184.2Products, p. 184.3Execution, p. 23SECTION 5HANDLING, PLACING, AND CONSTRUCTING, p. 235.1General, p. 235.2Products, p. 245.3Execution, p. 24SECTION 6ARCHITECTURAL CONCRETE, p. 286.1General, p. 286.2Products, p. 286.3

31、Execution, p. 29SECTION 7LIGHTWEIGHT CONCRETE, p. 317.1General, p. 317.2Products, p. 317.3Execution, p. 31SECTION 8MASS CONCRETE, p. 318.1General, p. 318.2Products, p. 318.3Execution, p. 32SECTION 9POST-TENSIONED CONCRETE, p. 329.1General, p. 329.2Products, p. 349.3Execution, p. 35SECTION 10SHRINKAG

32、E-COMPENSATING CONCRETE FOR INTERIOR SLABS, p. 3810.1General, p. 3810.2Products, p. 3810.3Execution, p. 38SECTION 11INDUSTRIAL FLOOR SLABS, p. 3811.1General, p. 3811.2Products, p. 3911.3Execution, p. 39SECTION 12TILT-UP CONSTRUCTION, p. 4012.1General, p. 4012.2Products, p. 4112.3Execution, p. 41SECT

33、ION 13PRECAST STRUCTURAL CONCRETE, p. 4213.1General, p. 4213.2Products, p. 4313.3Execution, p. 46SECTION 14PRECAST ARCHITECTURAL CONCRETE, p. 4814.1General, p. 4814.2Products, p. 4914.3Execution, p. 51NOTES TO SPECIFIER (Nonmandatory), p. 51General notes, p. 51Foreword to checklists, p. 52American C

34、oncrete Institute Copyrighted Material www.concrete.org2 SPECIFICATIONS FOR STRUCTURAL CONCRETE (ACI 301M-16)1.1.8 Ignore provisions of this Specification that are not applicable to the Work.1.1.9 UnitsValues in this Specification are stated in inch-pound units.1.1.10 Unless otherwise stated, the in

35、ch-pound system of units shall be applicable in ASTM combined standards refer-enced in this Specification.1.1.11 The Notes to Specifier are not part of this Specification.1.2Interpretation1.2.1 Unless otherwise explicitly stated, this Specification shall be interpreted using the following principles

36、:1.2.1.1 Interpret this Specification consistent with the plain meaning of the words and terms used.1.2.1.2 Definitions provided in this Specification govern over the definitions of the same or similar words or terms found elsewhere.1.2.1.3 Headings are part of this Specification and are intended to

37、 identify the scope of the provisions or sections that follow. If there is a difference in meaning or implication between the text of a provision and a heading, the meaning of the text governs.1.2.1.4 Notes to a table are part of this Specification. The meaning of the provision text governs in the e

38、vent of a difference in meaning or implication between the provision text and a note to a table.1.2.1.5 If 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:(a) “And” ind

39、icates that all of the connected items, condi-tions, requirements, or events apply.(b) “Or” indicates that the connected items, conditions, requirements, or events apply singularly.1.2.1.6 The use of the verbs “may” or “will” indicates that the specification provision is for information to Contracto

40、r.1.2.1.7 The phrase “as indicated in Contract Documents” means the specifier included the provision requirements in Contract Documents.1.2.1.8 The phrase “unless otherwise specified” means the specifier may have included an alternative to the default requirement in Contract Documents.1.3Definitions

41、acceptable or accepteddetermined to be satisfactory by Architect/Engineer.acceptanceacknowledgment by Architect/Engineer that submittal or completed Work is acceptable.ACI Concrete Field Testing Technician Grade Ia person who has demonstrated knowledge and ability to perform and record the results o

42、f ASTM standard tests on freshly mixed concrete and to make and cure test speci-mens; knowledge and ability shall be demonstrated by passing prescribed written and performance examinations and having credentials that are current with the American Concrete Institute.aggressive environmentan environme

43、nt that exposes a structure to moisture and external sources of chlorides from deicing chemicals, salt, brackish water, seawater, or spray from these sources; for stressing pockets subject to wetting or direct contact with soils during service.Architect/Engineer or Engineer/ArchitectArchitect, Engin

44、eer, architectural firm, engineering firm, or architec-tural and engineering firm issuing Contract Documents or administering the Work under Contract Documents, or both.architectural concreteconcrete that is typically exposed to view, is designated as architectural concrete in Contract Documents, an

45、d therefore requires care in selection of the concrete materials, forming, placing, and finishing to obtain the desired architectural appearance.backshoresshores placed snugly under a concrete slab or structural member after the original formwork and shores have been removed from a small area at a t

46、ime, without allowing the slab or member to deflect, or support its own weight or existing construction loads.cast-in-place concreteconcrete that is deposited and allowed to harden in the place where it is required to be in the completed structure.check testtest performed to verify result of previou

47、s test result of freshly-mixed concrete.Contract Documentsa set of documents supplied by Owner to Contractor as the basis for construction; these documents contain contract forms, contract conditions, specifications, drawings, addenda, and contract changes.Contractorthe person, firm, or entity under

48、 contract for construction of the Work.defective workconstruction or material that does not comply with Contract Documents.design reference samplesample of precast architec-tural concrete color, finish, and texture that is submitted for initial verification of design intent.ducta conduit in a concre

49、te member to accommo-date the prestressing steel of a post-tensioning tendon and provide an annular space for protective coating.encapsulated tendona tendon that is enclosed completely in a watertight covering from end to end, including anchorages, sheathing with coating, and caps over the strand tails.equivalent diameter of bundlethe diameter of a circle having an area equal to the sum of the bar areas in a bundle of reinforcing bars.expansive cementa cement that, when mixed with water, produces