COSC 253 Concrete for final
Terms in this set (34)
Most common type of concrete?
How do you determine correct aggregate size?
A) 1/3" beam spacing or 3/4 slab height
B) 2/3 beam spacing or 1/2 slab height
C) 3/4 beam spacing or 1/3 slab height
What TYPE of cement should be used for very large structures, such as the Hoover Dam?
Which isn't an advantage of AIR in concrete?
A) Lighter in Weight
C) Increased workability
D) Natural Insulation
Which ONE is a 1-way cast-in-place system?
A) Flat Plate
B) Waffle Slab
C) Beam and Girder
D) Flat Slab
What provides concrete with tensile strength? (and makes it rebar)
How many days does it take for cement to cure?
90 degree angle
What's the weakest point in a structure?
What's not an advantage of concrete?
A) flame resistance
B) long lasting
C) form giving
D) good tensile strength
How many (standard) sizes of rebar are there?
International Construction Foundation
What does ICF stand for?
Decreases cure time
What's the advantage of using an accelerator in your cement mixture?
Which isn't a type of 'load'?
What's a good example of a TYPE I slab on grade?
What's the most ECONOMICAL type of aggregate size?
D) Mix of large and small
Why do most foundations fail?
What did Romans use as an aggregate?
What do you call a finished SAMPLE of material? (That the architect might want to see.)
What type of load includes structural systems?
to prevent chipping
What's the purpose of edging in the concrete finishing process?
What's the term for the degree of moisture that effects the level of expansion and contraction in soil?
water will get in
Why are basements not common in Texas? (besides high water table)
Term used to describe STRENGTH of the soil?
What type of load is subject to change within a building?
As concrete cures, it gives off heat and forms bonds to hold the aggregate together. This process is referred to as:
How long do you have after a concrete truck is filled to empty it?
This test is used to measure the consistency of concrete. What is it?
Who approves shop drawings? (maybe)
How long does concrete usually take to cure?
What's the diameter of a #4 REBAR?
What does DEFORMED reinforcement mean?
A) It's not famous.
B) Reinforcement is smooth
C) Reinforcement is twisted
D) Rebar has grooves on it.
How much does an average cubic yard of concrete weigh?
What type of joint involves the scoring of the concrete?
How many lifts does a slump test involve?
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