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ACI 224.1R 07:2007 Edition

ACI 224.1R 07:2007 Edition

$31.15

224.1R-07 Causes, Evaluation, and Repair of Cracks in Concrete Structures

Published By Publication Date Number of Pages
ACI 2007 26
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The causes of cracks in concrete structures are summarized. The procedures used to evaluate cracking in concrete and the principal techniques for the repair of cracks are presented. The key methods of crack repair are discussed, and guidance is provided for their proper application. Keywords: alkali-silica reaction; alkali-carbonate reaction; autogenous healing; concrete; consolidation; corrosion; cracking (fracturing); drying shrinkage; epoxy resins; evaluation; grouting; heat of hydration; mass concrete; methacrylates; mixture proportion; overlay; plastic; polymer;precast concrete; prestressed concrete; reinforced concrete; repair; resins;settlement shrinkage; shrinkage; slab-on-ground; specification; thermal expansion; volume change.

PDF Catalog

PDF Pages PDF Title
3 CONTENTS
4 PREFACE
CHAPTER 1— CAUSES AND CONTROL OF CRACKING
1.1— Introduction
1.2—Cracking of plastic concrete
1.2.1 Plastic shrinkage cracking
1.2.2 Settlement cracking
5 1.3—Cracking of hardened concrete
1.3.1 Drying shrinkage
6 1.3.2 Thermal stresses
1.3.3 Chemical reaction
7 1.3.4 Weathering
1.3.5 Corrosion of reinforcement
8 1.3.6 Poor construction practices
1.3.7 Construction overloads
9 1.3.8 Errors in design and detailing
10 1.3.9 Externally applied loads
11 CHAPTER 2— EVALUATION OF CRACKING
2.1— Introduction
2.2—Determination of location and extent of concrete cracking
2.2.1 Direct and indirect observation
13 2.2.2 Nondestructive testing
14 2.2.3 Tests on concrete cores
2.2.4 Review of drawings and construction data
15 2.3—Selection of repair procedures
CHAPTER 3— METHODS OF CRACK REPAIR
3.1— Introduction
3.2—Epoxy injection
16 3.3—Routing and sealing
17 3.4—Near-surface reinforcing and pinning
3.5—Additional reinforcement
3.5.1 Conventional reinforcement
18 3.5.2 Prestressing steel
3.6—Drilling and plugging
3.7—Gravity filling
19 3.8—Grouting
3.8.1 Portland-cement grouting
3.8.2 Chemical grouting
3.9—Drypacking
3.10—Crack arrest
20 3.11—Polymer impregnation
3.12—Overlay and surface treatments
3.13—Autogenous healing
CHAPTER 4— REFERENCES
4.1— Referenced standards and reports
21 4.2—Cited references

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ACI 224.1R 07
$31.15