1、ACI 351.4-14Specification for Installation of Cementitious Grouting between Foundations and Equipment BasesReported by ACI Committee 351An ACI StandardFirst PrintingFebruary 2015ISBN: 978-0-87031-995-2Specification for Installation of Cementitious Grouting between Foundations and Equipment BasesCopy
2、right by the American Concrete Institute, Farmington Hills, MI. All rights reserved. This material may not be reproduced or copied, in whole or part, in any printed, mechanical, electronic, film, or other distribution and storage media, without the written consent of ACI.The technical committees res
3、ponsible 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 occasionally find information or requirements that may be subject to more than one interpretation or may be incomplete or inco
4、rrect. Users who have suggestions for the improvement of ACI documents are requested to contact ACI via the errata website at http:/concrete.org/Publications/DocumentErrata.aspx. Proper use of this document includes periodically checking for errata for the most up-to-date revisions.ACI committee doc
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7、nfringement.ACI and its members disclaim liability for damages of any kind, including 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 th
8、is document to establish health and safety practices appropriate to the specific circumstances 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 be
9、fore applying the document and must comply with all applicable laws and regulations, including but not limited to, United States Occupational Safety and Health Administration (OSHA) health and safety standards.Participation by governmental representatives in the work of the American Concrete Institu
10、te and in the development of Institute standards does not constitute governmental endorsement 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.Mo
11、st ACI standards and committee reports are gathered together in the annually revised ACI Manual of Concrete Practice (MCP).American Concrete Institute38800 Country Club DriveFarmington Hills, MI 48331Phone: +1.248.848.3700Fax: +1.248.848.3701www.concrete.orgThis specification covers minimum requirem
12、ents for cementitious grouting between foundations and equipment bases. Included are requirements for materials and placing.Keywords: cement grout; cementitious grout; equipment grout; founda-tions; grout; hydraulic cement grout; machinery grout.CONTENTS(mandatory portion follows)PART 1GENERAL, p. 1
13、1.1Scope, p. 11.2Interpretation, p. 21.3Definitions, p. 21.4Referenced standards, p. 21.5Submittals, p. 21.6Delivery, storage, and handling, p. 21.7Quality control procedures, p. 21.8Acceptance of work, p. 3PART 2PRODUCTS, p. 42.1Grouts, p. 42.2Joint and sealant material, p. 42.3Formwork, p. 42.4Wat
14、er, p. 4PART 3EXECUTION, p. 43.1Preparation, p. 43.2Installation, p. 53.3Testing and inspection, p. 63.4Repair, p. 63.5Cleaning, p. 6(nonmandatory portion follows)NOTES TO SPECIFIERS, p. 6General notes, p. 6Foreword to checklists, p. 6MANDATORY REQUIREMENTS CHECKLIST, p. 7OPTIONAL REQUIREMENTS CHECK
15、LIST, p. 7(mandatory portion follows)PART 1GENERAL1.1Scope1.1.1 This specification covers minimum requirements for cementitious grouting between foundations and equipment and machinery bases.1.1.2 This specification supplements the Contract Docu-ments and provides requirements for the Contractor.Dav
16、id Kerins*, Chair Mukti L. Das, SecretaryACI 351.4-14Specification for Installation of Cementitious Grouting between Foundations and Equipment BasesAn ACI StandardReported by ACI Committee 351Omesh B. AbhatRichard P. BohanWilliam L. BoundsWilliam D. BrantMichael M. ChehabShu-Jin FangFred R. GoodwinS
17、hraddhakar HarshErick N. LarsonRobert R. McGlohnCarl A. NelsonRichard OMalleyMichael A. PaipalIra W. PearceCharlie L. RowanWilliam E. Rushing Jr.Yasser SalemLarry W. SchulzePhilip A. SmithWidiantoF. Alan WileySheng-Chi WuConsulting MembersNavin N. PandyaShamsher PrakashRobert L. Rowan Jr.ACI 351.4-1
18、4 was adopted December 18, 2014, and was pubished February 2015.Copyright 2014, 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, w
19、ritten, 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.*Chair of Task Force 351.TG1.Members of Task Force 351.TG1 who prepared this specification.11.1.3 This sp
20、ecification governs for construction within its scope, except the Contract Documents govern if there is a conflict.1.1.4 This specification governs if there is a conflict with referenced material and testing standards.1.1.5 The Contractor is permitted to submit written alter-natives to any provision
21、 in this specification.1.1.6 Do not use this specification in conjunction with ACI 301, ACI 350.5, or ACI 530.1 unless Contract Docu-ments state that this specification governs for Work covered by 1.1.1.1.1.7 Ignore provisions of this specification that are not applicable to the Work.1.1.8 Values in
22、 this specification are stated in inch-pound units. A companion specification in SI units is also available.1.1.9 The “Notes to specifiers” are not part of this specification.1.2InterpretationUnless otherwise explicitly stated, this specification shall be interpreted using the following principles:(
23、a) Interpret this specification consistent with the plain meaning of the words and terms used.(b) Definitions provided in this specification govern. Unless otherwise explicitly stated, this specification shall be interpreted using the following principles:i. Its provisions are in harmony and do not
24、conflict.ii. 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 implication between the text of a provision and a heading, the meaning of the text governs.iii. Where a provision of this spec
25、ification involves two or more items, conditions, requirements, or events connected by the conjunctions “and” or “or,” interpret the conjunction as follows:“and” indicates that all of the connected items, conditions, requirements, or events apply.“or” indicates that the connected items, conditions,
26、requirements, or events apply singularly.iv. The use of the verbs “may” or “will” indicates that the specification provision is for information to the Contractor.1.3Definitions1.3.1 The following definitions govern in this specifica-tion. For definitions not given herein, refer to “ACI Concrete Tech
27、nology.”headboxdevice for controlling the gravity flow of grout into the formwork.unrestrained areas of groutareas of grout that are not under or within 4 in. of the baseplate.1.4Referenced standardsStandards of ACI Spcited in this specification are listed by name and designation, including year.1.4
28、.1 ACI standardsACI 117-10Specification for Tolerances for Concrete Construction and Materials and CommentaryACI 301-10Specifications for Structural Concrete1.5Submittals1.5.1 GeneralProvide to Architect/Engineer submittals required by this specification in accordance with Contract Documents.1.5.2 Q
29、uality control planIf required, submit a quality control plan showing means and methods to control the purchase, use, and placement of grout. Provide information related to quality control in accordance with 1.7.4.1.5.2.1 Submit data on qualifications of proposed testing agency for acceptance. Use o
30、f testing services will not relieve Contractor of the responsibility to furnish materials and construction in compliance with Contract Documents1.5.3 Quality control procedures1.5.3.1 Submit the following to Architect/Engineer before the start of the work:a) Experience record of supervisory personne
31、lb) List of equipment and proceduresc) Detailed procedures for grouting, including anchoring unrestrained area of grout if required in Contract Documents1.5.3.2 Submit the following to the Architect/Engineer during construction:a) Notification to Architect/Engineer in time to permit in-place inspect
32、ion of the foundation and formwork prior to placement of groutb) Test results for samples taken in accordance with 1.7.4c) Record set markup of drawingsd) Formwork and formwork accessories data1.6Delivery, storage, and handling1.6.1 Grout shall be stored and handled in accordance with the manufactur
33、ers written instructions and material safety data sheets.1.7Quality control procedures1.7.1 GeneralGrout materials and operations may be tested and inspected by Owner as Work progresses. Failure to detect defective Work or material shall not prevent rejec-tion for defects discovered later nor shall
34、it obligate Archi-tect/Engineer for final acceptance.1.7.1.1 Testing agencies shall be accepted by Architect/Engineer before performing any Work. Field tests of grout required in 1.7.2 and 1.7.3 shall be performed by personnel trained in testing grouts.1.7.2 Testing responsibilities of ContractorUnl
35、ess otherwise specified in Contract Documents, Contractor shall assume the following duties and responsibilities:a) Qualify proposed materialsb) Allow access to the project site or to the source of materials and assist Owners testing agency in obtaining and handling samples at the project site or at
36、 the source of materialsAmerican Concrete Institute Copyrighted Material www.concrete.org2 CEMENTITIOUS GROUTING BETWEEN FOUNDATIONS AND EQUIPMENT BASES (ACI 351.4-14)c) Advise Owners testing agency at least 24 hours in advance of operations to allow for completion of quality tests and for assignmen
37、t of personneld) Provide and maintain adequate facilities on the project site for safe and acceptable storage and initial curing of grout test specimens for the sole use of testing agency1.7.3 Quality controlQuality control shall be performed to ensure the following in accordance with the grout mate
38、-rial manufacturers written instructions or as indicated in Contract Documents:a) The grout has not exceeded its shelf lifeb) The foundation and baseplate have been properly preparedc) The formwork is fit for purposesd) The required tests are performed at the specified frequencye) The correct placin
39、g methods are usedf) Proper curing temperature is maintained for the required timeg) Shims, wedges, or leveling devices are removed unless otherwise specified after material has reached full cure.h) Temperature of the baseplate, grouting materials, foun-dation, and air are within specified parameter
40、s.1.7.4 Samples shall be taken every day and when any of the component batch numbers change during grout installa-tion. Test samples for properties critical to the installation such as flow, wet density, bleed, and strength, using docu-mented test methods appropriate to the type of grout, as cited i
41、n the contract documents and grout manufacturers instruc-tions. Record the amount of water and any admixtures used in mixing.1.8Acceptance of work1.8.1 GeneralCompleted grout shall conform to appli-cable requirements of this specification and Contract Documents1.8.1.1. Grout that fails to meet one o
42、r more requirements of Contract Documents but subsequently is repaired to bring the grout into compliance will be accepted.1.8.1.2 Grout that fails to meet one or more requirements of Contract Documents and cannot be brought into compli-ance is subject to rejection.1.8.1.3 Repair rejected grout by r
43、emoving and replacing or by additional construction to strengthen or otherwise satisfy project requirement as directed by Architect/Engineer. To bring rejected Work into compliance, use repair methods that meet applicable requirements for function, durability, dimensional tolerances, and appearance
44、as determined by Architect/Engineer.1.8.1.4 Submit proposed repair methods, materials, and modifications needed to repair the grout to meet the require-ments of Contract Documents.1.8.1.5 Contractor shall be responsible to bring grout into compliance with requirements of Contract Documents.1.8.2 Dim
45、ensional tolerances1.8.2.1 Unless otherwise specified, construction toler-ances shall conform to ACI 117.1.8.2.2 Formed surfaces resulting in grout with dimen-sions smaller than permitted by the tolerances of ACI 117 may be considered deficient in strength and subject to the provisions of 1.8.4.1.8.
46、2.3 Formed surfaces resulting in grout with dimen-sions larger than permitted by ACI 117 are subject to rejec-tion. Remove excess materials when required by Architect/Engineer.1.8.2.4 Inaccurately formed grout surfaces that exceed ACI 117 tolerances are subject to rejection.1.8.3 Appearance1.8.3.1 G
47、rout surfaces not meeting the requirements of 3.2.7 or 3.2.12 shall be brought into compliance in accor-dance with 1.8.1.1.8.4 Strength1.8.4.1 Criteria for determining potential strength defi-ciencyStrength may be considered deficient and grout work is subject to rejection when the Work fails to com
48、ply with requirements that control the strength of the grout including, but not limited to, the conditions given in the following:(a) Grout strength failing to comply with specified parameters(b) Reinforcement size, quantity, grade, position, or arrangement at variance with the requirements of 3.1.4
49、 or other Contract Documents(c) Grout that differs from the required dimensions or location(d) Curing not performed in accordance with Contract Documents(e) Insufficient protection of grout from extreme tempera-ture and other adverse environmental conditions during early stages of hardening and strength development(f) Mechanical injury, construction fires, or premature removal of formwork resulting in deficient strength1.8.4.2 Action required when strength is potentially defi-cientWhen grout structural strength is considered poten-tia
