[ppt]curing concrete - michigan technological university -...
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Curing Concrete
Curing Concrete
Curing
Moisture Temperature Time
Curing requires adequate —
If any of these factors are neglected, the desiredproperties will not develop
Curing Concrete
Increased Strength Watertightness Abrasion resistance Freeze-thaw resistance Volume stability
Effect of Adequate Curing on Hardened Concrete
Curing Concrete
Effect of Moist Curing
Curing Concrete
Effect of Curing Temperature on Strength
Curing Concrete
Effect of Curing Temperature on Strength
Curing Concrete
Curing Methods1. Supply additional water
with: Ponding or immersion
Spraying or fogging
Saturated wet coverings
Curing Concrete
Curing of Concrete by Supplying Water
Evaporation from water surface
Concrete
Water supplied from external source
Saturated
Curing Concrete
Curing Methods2. Seal in mixing water:
Plastic sheets
Membrane-forming curing compounds
Curing Concrete
Membrane Curing of Concrete
Evaporation from water surface
Concrete
Curing membrane
Saturated
Partially saturated
Curing Concrete
Curing Methods
3. Strength gain is accelerated with: Live steam Heating coils Electrically heated forms
or pads
Curing Concrete
Steam Curing
Curing Concrete
Strength vs. Steam Curing
Curing Concrete
Strength vs. Curing Temperature
Curing Concrete
Sealing Compounds