Practice questions for this set
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to move the concrete around in the forms
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Which of the following publications is
1 2 Adding water to a concrete mix will:
most useful for a Special Inspector?
Vibration is allowed for the following The best place to look up definitions in
4
except: ACI 318-14 is:
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, Terms in this set (104)
28-Day acceptance of strength is (3) 4 x 8 cylinders or (2) 6 x 12 cylinders
the average of:
An acceptable reinforcing steel precast dobie blocks
support mechanism for a 24-inch
deep footing includes:
Adding water to a concrete mix Decrease the compressive strength
will:
Additional revolutions of a drum decrease, decrease
mixer filled with concrete __________
the slump and __________ the
entrained air.
After initial curing is complete, 73.5 +/- 3.5 degrees
sample cylinders should be
maintained at a temperature
between:
The air content of freshly mixed ASTM C231
concrete by pressure method is
performed according to:
Air content required for a 5,000 7.5%
psi, 3/8 inch aggregate mix of
concrete exposed to very severe
cycles of freezing and thawing is:
Air-entraining admixtures must ASTM C260
conform to:
Aluminum embedments in Permitted only if coated or covered to prevent an aluminum-
structural concrete are: concrete reaction