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A23.4-09
©
Canadian Standards Association
VI
November 2009
23.2.1 General
29
23.2.2 Accelerated curing and heated concrete
29
23.3 Extended curing
31
23.4 High-performance concrete curing (Types C-1 and C-XL concrete)
32
24 Treatment of unformed surfaces
32
24.1 General
32
24.2 Finishing
32
24.3 Composite construction
32
25 Toppings
32
26 Finishing of formed surfaces
33
26.1 General
33
26.2 Finish grades
33
26.2.1 Reference sample
33
26.2.2 Commercial grade
33
26.2.3 Standard grade
33
26.2.4 Finish Grade B
33
26.2.5 Finish Grade A
33
27 Surface sealers and joint sealants
33
28 Prestressing
34
28.1 Post-tensioning
34
28.2 Pretensioning
34
28.2.1 General
34
28.2.2 Facilities
34
28.2.3 Equipment
34
28.2.4 Stringing of tendons
35
28.2.5 Stressing
36
28.2.6 Detensioning
39
28.2.7 No-slump concrete products
40
29 Stripping and handling
40
30 Storage
41
31 Transportation
42
32 Installation
42
33 Repairs
43
33.1 General
43
33.2 Aesthetic repairs
43
33.3 Structural repairs
44
33.3.1 General
44
33.3.2 Conditions
44
33.3.3 Repair procedures
44
33.3.4 Drypacking
45
33.3.5 Pressure grouting
45
33.3.6 Epoxy injection
45
33.3.7 Load test
45
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