curing.ppt
TRANSCRIPT
![Page 1: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/1.jpg)
Curing Concrete
![Page 2: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/2.jpg)
Curing Concrete
Curing
Moisture Temperature Time
Curing requires adequate —
If any of these factors are neglected, the desiredproperties will not develop
![Page 3: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/3.jpg)
Curing Concrete
Increased Strength Watertightness Abrasion resistance Freeze-thaw resistance Volume stability
Effect of Adequate Curing on Hardened Concrete
![Page 4: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/4.jpg)
Curing Concrete
Effect of Moist Curing
![Page 5: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/5.jpg)
Curing Concrete
Effect of Curing Temperature on Strength
![Page 6: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/6.jpg)
Curing Concrete
Effect of Curing Temperature on Strength
![Page 7: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/7.jpg)
Curing Concrete
Curing Methods1. Supply additional water
with: Ponding or immersion
Spraying or fogging
Saturated wet coverings
![Page 8: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/8.jpg)
Curing Concrete
Curing of Concrete by Supplying Water
Evaporation from water surface
Concrete
Water supplied from external source
Saturated
![Page 9: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/9.jpg)
Curing Concrete
Curing Methods2. Seal in mixing water:
Plastic sheets
Membrane-forming curing compounds
![Page 10: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/10.jpg)
Curing Concrete
Membrane Curing of Concrete
Evaporation from water surface
Concrete
Curing membrane
Saturated
Partially saturated
![Page 11: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/11.jpg)
Curing Concrete
Curing Methods
3. Strength gain is accelerated with: Live steam Heating coils Electrically heated forms
or pads
![Page 12: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/12.jpg)
Curing Concrete
Steam Curing
![Page 13: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/13.jpg)
Curing Concrete
Strength vs. Steam Curing
![Page 14: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/14.jpg)
Curing Concrete
Strength vs. Curing Temperature
![Page 15: curing.ppt](https://reader033.vdocuments.site/reader033/viewer/2022042821/55cf9296550346f57b97bd13/html5/thumbnails/15.jpg)
Curing Concrete
Sealing Compounds