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Working with concrete is as much an art as it is a science. So many
variables go into the proper mix design, production, placement and curing
techniques as well as environmental conditions, that problems inevitably
occur. Fortunately, many of these problems are preventable and possibly
repairable. Click on the common concreting problems listed below to see
techniques for preventing and repairing them.
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Dusting
is the formation of loose powder from disintegrating hardened concrete
surfaces...
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Scaling is local flaking or peeling of the finished surface
of hardened concrete...
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Crazing is the development of a fine network of random
cracks on the surface of concrete...
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Cracking
due to shrinkage or settlement...
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Plastic
shrinkage cracks appear in the
surface of fresh concrete soon after it is placed...
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Curling
is the distortion of a slab into curved shape by upward or downward
pressure...
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Blisters are hollow low profile bumps on the concrete
surfacing...
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Bugholes
and honeycombed surfaces are
formed during placement when small pockets of air or water...
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