Guide to concrete repair

Cover......Page 1
Preface......Page 2
Contents......Page 3
2.  Maintenance of Concrete......Page 7
3.  General Requirements for Quality Repair......Page 9
4.  Determine the Cause(s) of Damage......Page 11
5.  Evaluate the Extent of Damage......Page 12
6.  Evaluate the Need to Repair......Page 13
8.  Prepare the Old Concrete for Repair......Page 14
10.  Cure the Repair Properly......Page 24
12.  Faulty Design......Page 25
13.  Construction Defects......Page 28
15.  Alkali-Aggregate Reaction......Page 29
16.  Deterioration Caused by Cyclic Freezing and Thawing......Page 30
17.  Abrasion-Erosion Damage......Page 32
18.  Cavitation Damage......Page 36
19.  Corrosion of Reinforcing Steel......Page 40
20.  Acid Exposure......Page 41
21.  Cracking......Page 43
22.  Structural Overloads......Page 47
23.  Multiple Causes of Damage......Page 49
25.  Portland Cement Mortar......Page 51
26.  Dry Pack and Epoxy-Bonded Dry Pack......Page 54
27.  Preplaced Aggregate Concrete......Page 56
28.  Shotcrete......Page 59
29.  Replacement Concrete......Page 63
30.  Epoxy-Bonded Epoxy Mortar......Page 68
31.  Epoxy-Bonded Replacement Concrete......Page 75
32.  Polymer Concrete......Page 78
33.  Thin Polymer Concrete Overlay......Page 83
34.  Resin Injection......Page 86
35.  High Molecular Weight Methacrylic Sealing Compound......Page 92
36.  Polymer Surface Impregnation......Page 97
37.  Silica Fume Concrete......Page 98
38.  Alkyl-Alkoxy Siloxane Sealing Compound......Page 100
39.  Use of Nonstandard Repair Methods......Page 104
Appendix A - Standard Specifications for the Repair of Concrete......Page 106