1、ACI 311.6M-09Specification for Ready Mixed ConcreteTesting ServicesAn ACI StandardReported by ACI Committee 311American Concrete InstituteAdvancing concrete knowledgeSpecification for Ready Mixed Concrete Testing ServicesFirst printingDecember 2009ISBN 978-0-87031-353-0Copyright by the American Conc
2、rete 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 committees responsible for ACI committee r
3、eports 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 or incorrect. Users who have suggestio
4、ns 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 use of individuals who are competent to e
5、valuate 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 application and use of this information
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8、fic 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 comply with all applicable laws and regulat
9、ions,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 be obtained by contacting ACI.Most ACI
10、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 311.6M-09 was adopted October 6, 2009 and publ
11、ished December 2009.Copyright 2009, 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 oral, or recording for sound or vis
12、ual reproduc-tion or for use in any knowledge or retrieval system or device, unless permission inwriting is obtained from the copyright proprietors.311.6M-1ACI 311.6M-09This Reference Specification covers Testing Agency requirements for fieldand laboratory testing of ready mixed concrete delivered t
13、o the project. Itis intended for use by specifiers, architects, engineers, owners, contractors,and other groups interested in monitoring the quality of concrete used inproject construction. This Reference Specification can be made applicableto any construction project by citing it in a Contract. The
14、 Specifier supple-ments the provisions of this Reference Specification as needed by speci-fying individual project requirements in the Contract.Keywords: air content; laboratory; ready mixed concrete; sampling;slump; specification; technician; temperature; testing; unit weight.CONTENTS(mandatory por
15、tion follows)Section 1General requirements, p. 311.6M-21.1Scope1.2Qualifications1.3Definitions1.4Referenced standards1.5Certification and accreditation organizations1.6Units of measurementSection 2Testing of ready mixed concrete,p. 311.6M-32.1Sampling2.2Frequency of sampling and testing2.3Tests2.4Nu
16、mber of strength test specimens2.5Curing of strength test specimens2.6Testing for strengthSection 3Submittals, p. 311.6M-33.1Scope3.2Reports3.3Report information(mandatory portion follows)Notes to Specifier, p. 311.6M-4General notesForeword to checklists, p. 311.6M-4Mandatory Requirements Checklist,
17、 p. 311.6M-5Optional Requirements Checklist, p. 311.6M-5Submittals Checklist, p. 311.6M-5William T. Atkin Jimmie D. Hannaman, Jr. Michael C. Jaycox*Woodward L. VogtJoseph W. Clendenen Robert L. Henry Robert S. Jenkins George R. WargoMario R. Diaz Charles J. Hookham Jose Damazo Juarez Bertold E. Wein
18、bergDonald E. Dixon Venkatesh S. Iyer Eric D. King Michelle L. WilsonJohn V. Gruber Claude E. Jaycox*Roger D. Tate*Members who wrote this specification.Michael T. Russell*ChairSpecification for Ready Mixed ConcreteTesting ServicesAn ACI StandardReported by ACI Committee 311311.6M-2 ACI STANDARD(mand
19、atory portion follows)SECTION 1GENERAL REQUIREMENTS1.1Scope1.1.1 Work specifiedThis specification sets theminimum requirements for testing of ready mixed concreteat the project site when specific field-measured propertiesand laboratory-measured compressive strength are used as abasis for acceptance
20、of concrete as delivered to the site. Itincludes requirements for making and curing test specimens,performing field and laboratory tests, and qualifyingpersonnel and laboratories performing these tests. Testingservices required in this specification shall be completed bya Testing Agency engaged by t
21、he Owner. The TestingAgency must be independent from conflicts of interest thatmay affect objective reporting of the testing services.1.1.2 Work not specifiedThis specification does notapply to testing requirements and responsibilities required ofthe construction Contractor.1.1.3 Project DocumentsTh
22、e Testing Agency shallprovide the tests and reports defined by the Project Specifi-cations supplied by the Owner or Owners representative.1.2Qualifications1.2.1 The Testing Agency shall submit qualifications of fieldtechnicians and laboratory testing technicians, as defined inSections 1.2.1.1 to 1.2
23、.1.2, to Owner or Owners representative.1.2.1.1 Field technicianTechnicians conducting fieldtests of concrete shall be certified as ACI Concrete Field TestingTechnician Grade I, unless otherwise specified.1.2.1.2 Laboratory technicianTechnicians conductinglaboratory testing shall be certified as ACI
24、 Concrete LaboratoryTesting Technician Level 1 or ACI Concrete StrengthTesting Technician, unless otherwise specified.1.2.2 Testing AgencyThe Owner or the Owners repre-sentative shall not delegate these services to the ConstructionContractor. The Testing Agency shall meet the requirementsof ASTM E32
25、9 and be accredited in accordance with therequirements of ASTM C1077. Unless otherwise specified,the Testing Agency shall be accredited by one or more of thefollowing: the AASHTO Accreditation Program (AAP), theNational Voluntary Laboratory Accreditation Program(NVLAP), the American Association for
26、LaboratoryAccreditation (A2LA), the International AccreditationService (IAS), the Construction Materials EngineeringCouncil (CMEC), or the Washington Area Council of Engi-neering Laboratories (WACEL).1.3Definitionsaccreditationthe act or result of having a Testing Agencysquality procedures, equipmen
27、t calibration, and personnelreviewed and approved by an independent third-party agency.certificationthe act of having an individuals skills andknowledge of a certain subject tested and verified by anindependent third-party agency.Contractthe professional agreement between the Ownerand Testing Agency
28、 for provisions of testing services.Contract Documentsa set of documents supplied byOwner to Contractor as the basis for testing; these documentscontain contract forms, contract conditions, specifications,drawings, addenda, and contract changes.Contractoras used in this document, the person, firm,or
29、 entity under contract for testing services.Ownerthe corporation, association, partnership,individual, public body, or authority for whom the testingservices are performed.Project Specificationthe written document that detailsrequirements for the Work in accordance with serviceparameters and other p
30、rescriptive or performance criteria.Testing Agencythe firm or entity under contract forproviding testing services.Workthe entire construction or separately identifiableparts thereof required to be furnished as described in theContract Documents.1.4Referenced standardsStandards of ASTM referred to in
31、 this specification arelisted with serial designation and are part of this specifica-tion. The latest edition of the ASTM standard shall be usedunless otherwise specified in Contract Documents.C31M Standard Practice for Making and CuringConcrete Test Specimens in the FieldC39M Standard Test Method f
32、or Compressive Strengthof Cylindrical Concrete SpecimensC138M Standard Test Method for Density (Unit Weight),Yield, and Air Content (Gravimetric) of ConcreteC143M Standard Test Method for Slump of Hydraulic-Cement ConcreteC172 Standard Practice for Sampling Freshly MixedConcreteC173M Standard Test M
33、ethod for Air Content of FreshlyMixed Concrete by the Volumetric MethodC231 Standard Test Method for Air Content of FreshlyMixed Concrete by the Pressure MethodC511 Standard Specification for Mixing Rooms, MoistCabinets, Moist Rooms, and Water Storage TanksUsed in the Testing of Hydraulic Cements an
34、dConcretesC1064M Standard Test Method for Temperature of FreshlyMixed Hydraulic-Cement ConcreteC1077 Standard Practice for Laboratories Testing Concreteand Concrete Aggregates for Use in Constructionand Criteria for Laboratory EvaluationE329 Standard Specification for Agencies Engaged inConstruction
35、 Inspection and/or TestingThese publications may be obtained from:ASTM International100 Barr Harbor DriveWest Conshohocken, PA 19428www.astm.org1.5Certification and accreditation organizations1.5.1 Certification organizationThe following certificationorganization referred to in this specification is
36、 listed withcontact information.SPECIFICATION FOR READY MIXED CONCRETE TESTING SERVICES 311.6M-3American Concrete InstitutePO Box 9094Farmington Hills, MI 48843-9094www.concrete.org1.5.2 Accreditation organizationsThe following accred-itation organizations referred to in this specification arelisted
37、 with contact information.AASHTO Accreditation Program (AAP)AASHTO Materials Reference Laboratory (AMRL)National Institute of Standards and Technology100 Bureau Drive, Stop 8619Gaithersburg, MD 20899-8619http:/The American Association for Laboratory Accreditation (A2LA)5301 Buckeystown Pike, Suite 3
38、50Frederick, MD 21704www.a2la.orgConstruction Materials Engineering Council (CMEC)850 Courtland St. Suite BOrlando, FL 32804www.cmec.orgInternational Accreditation Service (IAS)5360 Workman Mill RoadWhittier, CA 90601www.iasonline.orgNational Voluntary Laboratory Accreditation Program(NVLAP)Standard
39、s Services DivisionNational Institute of Standards and Technology100 Bureau Drive, Stop 2140Gaithersburg, MD 20899-2140http:/ts.nist.gov/Standards/accreditation/index.cfmWashington Area Council of Engineering Laboratories, Inc.7508 Wisconsin Avenue, 4th FloorBethesda, MD 20814www.wacel.org1.6Units o
40、f measurementValues in this specification are stated in SI units. Acompanion specification in inch-pound units is also available.SECTION 2TESTING OF READY MIXED CONCRETE2.1SamplingSample the ready mixed concrete for testing required inthis specification in accordance with ASTM C172 unlessotherwise s
41、pecified.2.2Frequency of sampling and testing2.2.1 Tests found in 2.3.1 through 2.3.4 shall be performedand strength test specimens shall be obtained per require-ments of 2.3.6 and tested according to requirements of 2.3.5,at least once for each 76 m3, or fraction thereof, for eachclass of concrete
42、placed in any one day.2.2.2 Tests 2.3.1 through 2.3.4 shall be performed on theinitial delivery of each class of concrete delivered to theproject each day, and if a concrete mixture is adjusted, on thefirst adjusted delivery, unless otherwise specified.2.3Tests2.3.1 Slump testASTM C143M2.3.2 Tempera
43、ture testASTM C1064M2.3.3 Air content testASTM C173M or C2312.3.4 Density (unit weight) testASTM C138M2.3.5 Compressive strength testASTM C39M2.3.6 Making compressive strength specimensASTM C31M2.4Number of strength test specimensAn acceptance strength test set consists of a minimum of two150 x 300
44、mm specimens or three 100 x 200 mm specimens tobe tested at the age of 28 days, unless otherwise specified.2.5Curing of strength test specimens2.5.1 Initial curingOwner or Owners representativewill provide and maintain adequate facilities on the projectsite for initial storage and curing of the conc
45、rete specimens,unless otherwise specified. Specimens shall be stored underconditions that meet the requirements of ASTM C31M andshall be verified by Testing Agency. Such storage shall havetemperature controls to maintain ASTM C31M temperaturerequirements. Calibrated temperature recording devicesshal
46、l be used to record daily maximum and minimumtemperatures of the initial curing environment.2.5.2 TransportationTesting Agency will recover andtransport concrete specimens in accordance with ASTM C31M.2.5.3 Final curingFinal curing of strength test speci-mens shall be done in accordance with ASTM C3
47、1M andC511 until time of test.2.6Testing for strengthDetermine compressive strengths of cylinders in accor-dance with 2.3.5.SECTION 3SUBMITTALS3.1ScopeThe Testing Agencys scope of authority, the requirementsfor submittal of reports (timelines, methods of delivery anddistribution list), and the proce
48、dure for notification ofdeficiencies (methods of delivery, timelines and distributionlist), and required observations shall be defined in theContract with the Owner before the start of the project.3.2Reports3.2.1 Daily reportThe Testing Agency shall submitdaily reports that document the results of f
49、ield concrete testsperformed in accordance with Section 2.2 and distributed inaccordance with Section 3.1, unless otherwise specified.3.2.2 Nonconformance reportDeficient items shall becommunicated in a nonconformance report to the distributionlist established in accordance with Section 3.1. Unless otherwise311.6M-4 ACI STANDARDstated in the Contract Documents, a nonconformance reportshall be issued within 24 hours for any concrete found deficient.3.2.3 Final reportA final field report and a laboratoryr
