ACI PRC-515.2-24: Selecting Protective Treatments for Concrete—Guide

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Description

Concrete structures can be subjected to physical or chemical attacks by various substances, including water, acids, alkalis, salt solutions, and organic chemicals. Damage may vary in intensity from surface discoloration or roughening to catastrophic loss of structural integrity due to acid attack. This guide addresses the effects of various substances on untreated concrete and provides recommendations for protective treatments.

Keywords:

acids; alkali; chemical attack; coal tar distillates; coatings; deicer; distress; durability; exposure condition; fatty acids; hardener; membrane; petroleum oils; protective treatment; resin; salt solution; sealer; solvents; topping; vegetable oils.

 

Document Details

Author: ACI Committee 515

Publication Year: 2024

Pages: 29

ISBN: 9781641952927

Formats: Printed Document or Protected PDF/Web View

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE, p. 2

1.1—Introduction, p. 2

1.2—Scope, p. 2

CHAPTER 2—NOTATION AND DEFINITIONS, p. 2

2.1—Notation, p. 2

2.2—Definitions, p. 3

CHAPTER 3—TABLES OF CHEMICALS, THEIR EFFECTS ON CONCRETE, AND PROTECTIVE TREATMENTS, p. 3

3.1—Aggressive substances, p. 3

3.2—Treatment methods, p. 3

CHAPTER 4—PROTECTIVE TREATMENTS AND SYSTEMS DESCRIPTIONS, p. 7

4.1—Magnesium fluorosilicate or zinc fluorosilicate, p. 14

4.2—Alkali silicates, sodium silicate (water glass), potassium silicate, lithium silicate, p. 15

4.3—Drying oils, p. 15

4.4—Coumarone-indene resin, p. 15

4.5—Styrene-butadiene copolymer resin, p. 16

4.6—Chlorinated rubber, p. 16

4.7—Chlorosulfonated polyethylene (hypalon) elastomers, p. 16

4.8—Vinyls and latex-based materials, p. 17

4.9—Bituminous paints, mastics, and enamels, p. 17

4.10—Polyester and vinyl ester materials, p. 17

4.11—Polyurethane/urethane, p. 18

4.12—Epoxy, p. 18

4.13—Neoprene, p. 19

4.14—Polysulfide, p. 20

4.15—Coal tar and coal tar epoxy, p. 20

4.16—Protective masonry barrier systems, p. 21

4.17—Sheet rubber, p. 22

4.18—Resin sheets, p. 22

4.19—Lead sheet, p. 22

4.20—Glass, p. 23

4.21—Acrylics, methyl methacrylate (MMA), and high-molecular-weight methacrylate (HMWM), p. 23

4.22—Silane, siloxane, and siliconates (organosilicon compounds), p. 24

4.23—Metalizing, p. 25

4.24—Crystalline coatings and admixtures, p. 26

4.25—Polyurea, p. 26

4.26—Adjunct additives, p. 27

CHAPTER 5—REFERENCES, p. 28

Authored references, p. 28

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