1、ACI 351.4M-14Specification for Installation of Cementitious Grouting between Foundations and Equipment BasesReported by ACI Committee 351An ACI StandardFirst PrintingDecember 2015ISBN: 978-1-94272-762-0Specification for Installation of Cementitious Grouting between Foundations and Equipment BasesCop
2、yright 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 re
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8、his 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 b
9、efore 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 Instit
10、ute 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.M
11、ost 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 require
12、ments 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.
13、11.1Scope, 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. 42.4Wa
14、ter, 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 CHEC
15、KLIST, 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.David Kerins*, Chair Mukti L. Das, SecretaryACI 351.4M-14Specification for Installation of Cementitious Grou
16、ting between Foundations and Equipment BasesAn ACI StandardReported by ACI Committee 351Omesh B. AbhatRichard P. BohanWilliam L. BoundsWilliam D. BrantMichael M. ChehabShu-Jin FangFred R. GoodwinShraddhakar HarshErick N. LarsonRobert R. McGlohnCarl A. NelsonRichard OMalleyMichael A. PaipalIra W. Pea
17、rceCharlie L. RowanWilliam E. Rushing Jr.Yasser SalemLarry W. SchulzePhilip A. SmithWidiantoF. Alan WileySheng-Chi WuConsulting MembersNavin N. PandyaShamsher PrakashRobert L. Rowan Jr.ACI 351.4M-14 was adopted December 1, 2015, and was published December 2015.Copyright 2015, American Concrete Insti
18、tute.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 recording for sound or visual reproduc-tion or for use in any knowledge or retrieva
19、l 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.11.1.2 This specification supplements the Contract Docu-ments and provides requirements for the Contractor.1.1.3 This
20、 specification 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 provis
21、ion 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
22、 in this specification are stated in SI units. A companion specification in inch-pound 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 principle
23、s:(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 n
24、ot 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 s
25、pecification 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, condition
26、s, 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 T
27、echnology.”headboxdevice for controlling the gravity flow of grout into the formwork.unrestrained areas of groutareas of grout that are not under or within 100 mm of the baseplate.1.4Referenced standardsStandards of ACI Spcited in this specification are listed by name and designation, including year
28、.1.4.1 ACI standardsACI 117M-10Specification for Tolerances for Concrete Construction and Materials and CommentaryACI 301M-10Specifications for Structural Concrete1.5Submittals1.5.1 GeneralProvide to Architect/Engineer submittals required by this specification in accordance with Contract Documents.1
29、.5.2 Quality 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.
30、 Use of 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 pe
31、rsonnelb) 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 i
32、nspection 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 manu
33、facturers 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
34、shall 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 Contrac
35、torUnless 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 American Concrete Institute Copyrighted
36、Material www.concrete.org2 CEMENTITIOUS GROUTING BETWEEN FOUNDATIONS AND EQUIPMENT BASES (ACI 351.4M-14)and handling samples at the project site or at the source of materialsc) Advise Owners testing agency at least 24 hours in advance of operations to allow for completion of quality tests and for as
37、signment 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 gro
38、ut mate-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
39、 placing 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 pa
40、rameters.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
41、cited in 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 mee
42、t one or 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 gro
43、ut by removing 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 appe
44、arance 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.
45、8.2 Dimensional tolerances1.8.2.1 Unless otherwise specified, construction toler-ances shall conform to ACI 117M.1.8.2.2 Formed surfaces resulting in grout with dimen-sions smaller than permitted by the tolerances of ACI 117M may be considered deficient in strength and subject to the provisions of 1
46、.8.4.1.8.2.3 Formed surfaces resulting in grout with dimen-sions larger than permitted by ACI 117M are subject to rejec-tion. Remove excess materials when required by Architect/Engineer.1.8.2.4 Inaccurately formed grout surfaces that exceed ACI 117M tolerances are subject to rejection.1.8.3 Appearan
47、ce1.8.3.1 Grout 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 f
48、ails to comply 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 requiremen
49、ts of 3.1.4 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 considere
