Roof framing plan of single story building with the following configuration is shown: a. Construction of roof (Reference ASCE 7-16, Table C3-1: Minimum Design Dead Load) Composition roofing with five ply felt and gravel Metal deck (18 gauge) Fiberboard insulation, 2 " thick Plaster ceiling (Suspended metal lath with gypsum plaster) Mechanical duct b. Roof pitch: 6 " rise per foot of horizontal projection c. Roof live load: 20 psf d. Beams (B1 & B2) are W12x40 (ASTM A992), Girder (G1) is W12x58 (ASTM A992) 2 B-1 3
Roof framing plan of single story building with the following configuration is shown: a. Construction of roof (Reference ASCE 7-16, Table C3-1: Minimum Design Dead Load) Composition roofing with five ply felt and gravel Metal deck (18 gauge) Fiberboard insulation, 2 " thick Plaster ceiling (Suspended metal lath with gypsum plaster) Mechanical duct b. Roof pitch: 6 " rise per foot of horizontal projection c. Roof live load: 20 psf d. Beams (B1 & B2) are W12x40 (ASTM A992), Girder (G1) is W12x58 (ASTM A992) 2 B-1 3
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Roof framing plan of single story building with the following configuration is shown:
a. Construction of roof (Reference ASCE 7-16, Table C3-1: Minimum Design Dead
Load)
Composition roofing with five ply felt and gravel
Metal deck (18 gauge)
Fiberboard insulation, 2 “ thick
Plaster ceiling (Suspended metal lath with gypsum plaster)
Mechanical duct
b. Roof pitch: 6 “ rise per foot of horizontal projection
c. Roof live load: 20 psf
d. Beams (B1 & B2) are W12x40 (ASTM A992), Girder (G1) is W12x58 (ASTM A992)
В-1
В-2
2@13' = 26'
Slope (6V : 12H)
Slope (6V : 12H),
(B)
С-1
В-2
2@13' = 26'
В-2
В-1
В-1
I --
30'
- 30'
Roof Framing Plan
Calculate the following items:
1) Total dead load for roof in psf
2) For beams B1 & B2, determine:
Considering LL reduction, find total factored uniform load DL+LL, Maximum moment Mu
(k-ft), Maximum shear Vu (kips) and Max (DL+LL) deflection and check against
allowable deflection
3) For Girder G1, determine:
Maximum moment Mu (k-ft), Maximum shear Vu (kips) and
Max (DL+LL) deflection and check against allowable deflection
4) For interior column C1, determine Maximum factored axial compression DL+LL (kips)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa4dd06e-564c-4242-ab2b-3a65d0c27cd9%2F395fc6c5-2f77-43fb-afdd-dc60877fd374%2Fut0jmag_processed.png&w=3840&q=75)
Transcribed Image Text:Roof framing plan of single story building with the following configuration is shown:
a. Construction of roof (Reference ASCE 7-16, Table C3-1: Minimum Design Dead
Load)
Composition roofing with five ply felt and gravel
Metal deck (18 gauge)
Fiberboard insulation, 2 “ thick
Plaster ceiling (Suspended metal lath with gypsum plaster)
Mechanical duct
b. Roof pitch: 6 “ rise per foot of horizontal projection
c. Roof live load: 20 psf
d. Beams (B1 & B2) are W12x40 (ASTM A992), Girder (G1) is W12x58 (ASTM A992)
В-1
В-2
2@13' = 26'
Slope (6V : 12H)
Slope (6V : 12H),
(B)
С-1
В-2
2@13' = 26'
В-2
В-1
В-1
I --
30'
- 30'
Roof Framing Plan
Calculate the following items:
1) Total dead load for roof in psf
2) For beams B1 & B2, determine:
Considering LL reduction, find total factored uniform load DL+LL, Maximum moment Mu
(k-ft), Maximum shear Vu (kips) and Max (DL+LL) deflection and check against
allowable deflection
3) For Girder G1, determine:
Maximum moment Mu (k-ft), Maximum shear Vu (kips) and
Max (DL+LL) deflection and check against allowable deflection
4) For interior column C1, determine Maximum factored axial compression DL+LL (kips)
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