ACI-503R-1993-R2008.pdf
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1、ACI 503R-93 USE OF EPOXY COMPOUNDS WITH CONCRETE Reapproved 2008 Reported by Committee 503 H. Aldridge Gillespie Chairman Russell H. Brink Belmon U. Duvall Robert W. Gaul Robert F. Kemphues Harold C. Klassen Members of committee voting on the 1993 revisions: Raymond J. Schutz Chairman Milton D. Ande
2、rson Craig A. Ballinger Roger W. Black Frank J. Constantino John P. Cook Floyd E. Dimmick Wolfgang O. Eisenhut Jack J. Fontana Robert W. Gaul James D. Kriegh William H. Kuenning Leonard J. Mitchell Myles A. Murray G. Michael Scales Scott W. Harper Paul R. Hollenbach David P. Hu T. Michael Jackson Tr
3、oy D. Madeley Albert Mayer Joseph A. McElroy Paul F. McHale Peter Mendis Epoxy compounds have found a wide variety of uses in the concrete indus- try as coatings, grouts, binders, sealants, bonding agents, patching mater- ials, and general adhesives. Properties, uses, preparations, mixtures, applica
4、tion, and handling requirements of epoxy resin systems when applied to and used with concrete and mortar are presented. The adhesiveness of epoxy and its chemical, thermal, and physical properties are given. The modification of the fore- going properties to accommodate given situations is reviewed.
5、Problems encountered in surface preparation are reviewed and proce- dures and techniques given to insure successful bonding of the epoxy to the other materials. Temperature conditioning of the base material and epoxy compound are outlined. The cleaning and maintaining of equipment is re- viewed. Pro
6、cedures to be followed in the application of epoxy compounds in the several use situations are given. The important factors which insure that the epoxy compound will harden (cure) and therefore perform its func- tion are discussed together with alterations of the hardening rate. The aller- genic and
7、 toxic nature of epoxies and the chemicals used with them in the industry create a hazard and precautions are detailed throughout the report. ACI Committee Reports, Guides, Standard Practices, and Commentaries are intended for guidance in designing, plan- ning, executing, or inspecting construction
8、and in preparing specifications. References to these documents shall not be made in the Project Documents. If items found in these documents are desired to be a part of the Project Docu- ments, they should be phrased in mandatory language and incorporated into the Project Documents. Leonard Pepper S
9、ecretary Raymond J. Schutz George Selden Frank Steiger George W. Whitesides Myles A. Murray Secretary Richard Montani Richard B. Parmer Hamid Saadatmanesh W. Glenn Smoak Joe Solomon Michael M. Sprinkel Robert J. Van Epps D. Gerry Walters Keywords: abrasion resistant coatings; abrasive blasting; acid
10、 treatment (con- crete); adhesion; adhesives; aggregates; bonding; bridge decks; chemical analysis; chemical attack; cleaning coatings: compressive strength; concrete construction; concrete finishes (hardened concrete); concrete pavements; concretes; cracking (fracturing); electrical properties; epo
11、xy resins; flexural strength; floor toppings; fresh concretes; grout; grouting; history; joints (junctions); metals; mix pro- portioning; mixing; mortars (material); patching; plastics; polymers and resins; popouts; repair; resurfacing; shrinkage; skid resistance; stairways; temperature; tensile str
12、ength; underwater construction; waterproof coating; wood. CONTENTS Chapter 1 - Introduction, pg. 503R-2 1.1 - Background 1.2 - General 1.3 - Scope Chapter 2 - History of epoxies, pg. 503R-4 2.1 - Origin of epoxies 2.2 - Early attempts at using epoxies 2.3 - Development of epoxy applications with con
13、crete 2.4 - Present status of epoxies ACI 503R-93 supersedes ACI 503R-89 and became effective July 1, 1993. copyright 1993, 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 b
14、y any elec- tronic or mechanical devices, printed or written or oral, or recording for sound or visual reproduction or for use in any knowledge or retrieval system or device, unless permission in writing is obtained from the copyright proprietors. 503R-1 Copyright American Concrete Institute Provide
15、d by IHS under license with ACI Licensee=HP Monitoring/1111111164 Not for Resale, 06/23/2009 08:06:34 MDTNo reproduction or networking permitted without license from IHS -,-,- 503R-2 ACI COMMITTEE REPORT Chapter 3 - Chemical and physical characteristics of epoxy resins, pg. 503R-5 3.1 - General 3.2
16、- Adhesion properties 3.3 - Susceptibility to chemical attack 3.4 - Electrical properties 3.5 - Abrasion resistance 3.6 - Resilience 3.7 - Creep 3.8 - Thermal expansion 3.9 - Exothermic reaction during cure 3.10 - Curing and aging stresses 3.11 - Thermosetting properties Chapter 4 - Uses of epoxy re
17、sins, pg. 503R-8 4.1 - General 4.2 - Protective coating 4.3 - Decorative coating 4.4 - Skid-resistant coating 4.5 - Grout 4.6 - Adhesive 4.7 - Binder for epoxy mortar or concrete 4.8 - Underwater application 4.9 - Epoxy-modified concrete Chapter 5 - Preparing surfaces for epoxy compound application,
18、 pg. 503R-10 5.1 - General 5.2 - Concrete surface evaluation 5.3 - Removal of concrete for repairs 5.4 - Surface preparation 5.5 - Temperature conditioning Chapter 6 - Preparing epoxy compound and epoxy mix- tures for use, pg. 503R-13 6.1 - General 6.2 - Temperature conditioning of material 6.3 - Mi
19、xing and proportioning 6.4 - Mixing 6.5 - Cleaning of equipment 6.6 - Caution of solvents and strippers Chapter 7 - Applying epoxy compounds, pg. 503R-16 7.1 - General considerations 7.2 - Specific applications 7.3 - Underwater applications Chapter 8 - Hardening, pg. 503R-23 8.1 - Rate of hardening
20、8.2 - Adjusting the hardening rate 8.3 - Opening the job to service Chapter 9 - Handling precautions, pg. 503R-24 9.1 - General hazards 9.2 - Safe handling 9.3 - What to do in case of direct contact 9.4 - Use of solvents 9.5 - Education of personnel Appendix A - Test methods, pg. 503R-25 A.1 - Field
21、 test for surface soundness and adhesion A.2 - Simplified field test for surface soundness Appendix B - Terminology, pg. 503R-28 CHAPTER 1 - INTRODUCTION 1.1 - Background 1.1.1 - There are many characteristics of epoxies and their uses which make them a desirable adhesive for use with concrete. Some
22、 of these advantages are: 1.1.1.1 Adhesion - Epoxy resins have excellent ad- hesive qualities and will bond to nearly all construction materials. A few of the nonpolar thermoplastics such as polyethylene, present adhesion problems and are excep- tions. 1.1.1.2 Versatility - The wide range of availab
23、le physical and chemical properties of epoxy resin systems makes their consideration requisite in any situation in- volving repair, overlay, coating, or adverse environment, of concrete. The variety of curing agents, extenders, dilu- ents, fillers and other modifiers available to the formu- lator pe
24、rmit the attainment of special characteristics for any particular application. 1.1.1.3 Chemical resistance - Epoxies are resistant to the attack of acids, oils, alkalies, and solvents. 1.1.1.4 Low shrinkage - Compared to other ther- mosetting resins, epoxies have low autogenous shrinkage. Formulatio
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