ACI 308R-16

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Guide to External Curing

of Concrete

Reported by ACI Committee 308

ACI 308R-16

First Printing

May 2016

ISBN: 978-1-942727-87-3

Guide to External Curing of Concrete

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 responsible 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 incorrect. 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 documents are intended for the use of individuals who are competent to evaluate the

significance and limitations of its content and recommendations and who will accept responsibility for

the application of the material it contains. Individuals who use this publication in any way assume all

risk and accept total responsibility for the application and use of this information.

All information in this publication is provided “as is” without warranty of any kind, either express or

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purpose or non-infringement.

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 this 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 before 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 Institute 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.

Most ACI standards and committee reports are gathered together in the annually revised ACI Manual of

Concrete Practice (MCP).

American Concrete Institute

38800 Country Club Drive

Farmington Hills, MI 48331

Phone: +1.248.848.3700

Fax: +1.248.848.3701

www.concrete.org

This guide reviews and describes practices, procedures, materials,

and monitoring methods for the external curing of concrete and

provides guidance for specifying curing procedures. Current curing

techniques are presented and commonly accep ted methods, proce-

dures, and materials are described. Methods are given for curing

structures and buildings, pavements and other slabs-on-ground,

and for mass concrete. Curing methods for several specic catego-

ries of cement-based products are discussed in this document.

The materials, processes, quality control measures, and inspec-

tions described in this document should be tested, monitored, or

performed as applicable only by individuals holding the appro-

priate ACI certications or equivalent.

Keywords: cold weather construction; curing compound; hot weather

construction; mass concrete; reinforced concrete; sealer; shotcrete;

slabs-on-ground.

CONTENTS

CHAPTER 1—INTRODUCTION, p. 2

1.1—Introduction, p. 2

1.2—Curing, p. 2

1.3—Curing and hydration of portland cement, p. 2

1.4—Deliberate curing procedures, p. 5

1.5—Curing-affected zone, p. 10

1.6—Concrete properties inuenced by curing, p. 11

1.7—Effects of elevated temperature, p. 12

1.8—Sustainability, p. 14

CHAPTER 2—DEFINITIONS, p. 15

CHAPTER 3—CURING METHODS AND

MATERIALS, p. 15

3.1—Scope, p. 15

3.2—Use of water for curing concrete, p. 15

3.3—Initial curing methods, p. 15

3.4—Final curing measures, p. 16

3.5—Termination of curing measures, p. 20

3.6—Cold-weather protection and curing, p. 20

3.7—Hot-weather protection and curing, p. 21

David M. Suchorski, Chair Erik Holck, Vice Chair Lawrence Homer Taber*, Secretary

ACI 308R-16

Guide to External Curing of Concrete

Reported by ACI Committee 308

ACI Committee Reports, Guides, and Commentaries are

intended for guidance in planning, designing, executing, and

inspecting construction. This document is intended for the use

of individuals who are competent to evaluate the signicance

and limitations of its content and recommendations and who

will accept responsibility for the application of the material it

contains. The American Concrete Institute disclaims any and

all responsibility for the stated principles. The Institute shall

not be liable for any loss or damage arising therefrom.

Reference to this document shall not be made in contract

documents. If items found in this document are desired by

the Architect/Engineer to be a part of the contract documents,

they shall be restated in mandatory language for incorporation

by the Architect/Engineer.

ACI 308R-16 supersedes ACI 308R-01 and was adopted and published May 2016.

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 retrieval system or device, unless permission in

writing is obtained from the copyright proprietors.

Voting Members

Dale P. Bentz

Dianne Carey

Jennifer K. Crisman

Jonathan E. Dongell

Michael Faubel

Dale Fisher

Sidney Freedman

Michael G. Hernandez

John C. Hukey

Cecil L. Jones

Frank A. Kozeliski

Ronald L. Kozikowski Jr.

Mauricio Lopez

Darryl Manuel

Steven F. McDonald

Mike Murray

John W. Roberts

Philip A. Smith

Richard E. Van Horn

Jody R. Wall

Daniel Webber

John B. Wojakowski

*Chair of document subcommittee.

Consulting Members

Ralph C. Bruno

James N. Cornell II Ben E. Edwards

Jerome H. Ford R. Doug Hooton David E. Hoyt

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摘要：

ACI 308R-16 是由美国混凝土协会（ACI）发布的关于混凝土养护的标准规范指南，为混凝土结构的养护方法、持续时间及质量控制提供权威技术指导。该文档详细介绍了不同环境条件下混凝土养护的最佳实践，包括水养护、密封养护、蒸汽养护及养护剂的使用标准，旨在确保混凝土达到设计强度、耐久性和抗渗性能。适用于工程师、承包商和质量检测人员，是混凝土施工中确保长期性能与结构完整性的重要参考依据。

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ACI 308R-16

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