Factors Affecting Drying Shrinkage Cracks
Factor
|
Reduced Shrinkage
|
Increased Shrinkage
|
Cement type
|
Low
grade
|
High
grade
|
Cement content
|
325
kg/m2
|
450
kg/m2
|
Aggregate Size
|
40mm
|
20mm
|
Aggregate type
|
granite
|
Sand
stone
|
Slump
|
50
- 75mm
|
125mm
– 150mm
|
Curing
|
7
days
|
3
days
|
Placement temperature
|
15-20°C
|
30°C
|
Aggregate state
|
washed
|
dirty
|
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