A typical bay of a composite floor system is illustrated in below. Select an appropriate ASTM A992 W-shaped beam and determine the required number of w- in.-diameter steel headed stud anchors. The beam will not be shored during construction. Beam to be deslgned 7" total depth normal weight slab on 18 gage composite deck 45'-0" Plan 3 @ 10'-0" = 30'-0"
A typical bay of a composite floor system is illustrated in below. Select an appropriate ASTM A992 W-shaped beam and determine the required number of w- in.-diameter steel headed stud anchors. The beam will not be shored during construction. Beam to be deslgned 7" total depth normal weight slab on 18 gage composite deck 45'-0" Plan 3 @ 10'-0" = 30'-0"
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![A typical bay of a composite floor system is illustrated in below. Select an
appropriate ASTM A992 W-shaped beam and determine the required number of w-
in.-diameter steel headed stud anchors. The beam will not be shored during
construction.
Beam to be
designed
7%" total depth normal
weight slab on 18 gage
composlte deck
A
45'-0"
Plan
Section A-A
To achieve a two-hour fire rating without the application of spray applied fire
protection material to the composite deck, 4 1/2 in. of normal weight (145 lb/ft')
concrete will be placed above the top of the deck. The concrete has a specified
compressive strength, f. = 4 ksi.
Applied loads are as follows:
Dead Loads:
Pre-composite:
= 75 lb/ft2 (in accordance with metal deck manufacturer's data)
Self-weight = 5 lb/ft2 (assumed uniform load to account for beam weight)
Slab
Composite (applied after composite action has been achieved):
Miscellaneous
= 10 lb/ft? (HVAC, ceiling, floor covering, etc.)
Live Loads:
Pre-composite:
Construction
= 25 lb/ft? (temporary loads during concrete placement)
Composite (applied after composite action has been achieved):
= 100 lb/ft? (assembly occupancy)
Non-reducible
@ 10-0" = 30'-0".](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F82190596-f67a-4363-95dc-a07d82986fcb%2F5607e797-4fd1-4dc3-b83d-6461c8523fa1%2F14lh8d7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A typical bay of a composite floor system is illustrated in below. Select an
appropriate ASTM A992 W-shaped beam and determine the required number of w-
in.-diameter steel headed stud anchors. The beam will not be shored during
construction.
Beam to be
designed
7%" total depth normal
weight slab on 18 gage
composlte deck
A
45'-0"
Plan
Section A-A
To achieve a two-hour fire rating without the application of spray applied fire
protection material to the composite deck, 4 1/2 in. of normal weight (145 lb/ft')
concrete will be placed above the top of the deck. The concrete has a specified
compressive strength, f. = 4 ksi.
Applied loads are as follows:
Dead Loads:
Pre-composite:
= 75 lb/ft2 (in accordance with metal deck manufacturer's data)
Self-weight = 5 lb/ft2 (assumed uniform load to account for beam weight)
Slab
Composite (applied after composite action has been achieved):
Miscellaneous
= 10 lb/ft? (HVAC, ceiling, floor covering, etc.)
Live Loads:
Pre-composite:
Construction
= 25 lb/ft? (temporary loads during concrete placement)
Composite (applied after composite action has been achieved):
= 100 lb/ft? (assembly occupancy)
Non-reducible
@ 10-0" = 30'-0".
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