Deck 9: Precast Concrete
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Deck 9: Precast Concrete
1
In what areas do building codes apply with regard to precast concrete construction?
Building codes have extensive specifications pertaining to the design and installation of precast concrete members. In addition to engineering design data, the codes guidelines for reinforcing, connections, lifting devices, fabrication, shop drawings, tendon anchorage, and grouting procedures. The codes also specify the requirements for meeting fire codes.
2
____ connections speed up erection and allow final alignments to be made after the crane has placed the member.
A) Welded
B) Doweled
C) Post-tensioned
D) Bolted
A) Welded
B) Doweled
C) Post-tensioned
D) Bolted
D
3
____ slabs are used for spans ranging up to 40 ft. (12 m) in length and are 6 to 12 in. (150 to 300 mm) thick.
A) Double tee
B) Channel
C) Hollow-core
D) Solid flat
A) Double tee
B) Channel
C) Hollow-core
D) Solid flat
C
4
What is the double-wall precast concrete building system?
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5
How are grout, mortar, and drypack used with regard to precast concrete construction?
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6
List five advantages of precast concrete units.
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7
____ units are cast in molds in a plant, then cured and shipped to the job site.
A) Pre-stressed
B) Non-pre-stressed
C) Pre-tensioned
D) Post-tensioned
A) Pre-stressed
B) Non-pre-stressed
C) Pre-tensioned
D) Post-tensioned
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8
____ refers to the equipment, cables, slings, and other hoisting equipment used to lift precast units into place.
A) Placing
B) Transporting
C) Framing
D) Rigging
A) Placing
B) Transporting
C) Framing
D) Rigging
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9
Describe precast concrete columns and their formation with regard to precast concrete construction.
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10
Typical ____ connections include the use of dowels or haunches.
A) beam-to-column
B) column-to-column
C) column-to-foundation
D) foundation-to-column
A) beam-to-column
B) column-to-column
C) column-to-foundation
D) foundation-to-column
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