The floor system of an apartment building consists of a 4-inch-thick reinforced concrete slab resting on three steel floor beams, which are in turn supported by two steel girders, as shown below. The areas of cross section of the floor beams and the girders are 18.3 in.2 and 32.7 in.², respectively. Determine the dead load acting on the beam CD. Steel girder (A-32.7 in.2) At I- 25 ft B I Steel column C D Steel floor beam (A =18.3 in.2) I a. 600.0 lb/ft b. 662.3 lb/ft c. 62.3 lb/ft d. 1347.3 lb/ft E 4 in. concrete slab 2 at 12 ft = 24 ft

Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
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Author:Segui, William T.
Publisher:Segui, William T.
Chapter10: Plate Girders
Section: Chapter Questions
Problem 10.7.9P
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The floor system of an apartment building consists of a 4-inch-thick reinforced concrete slab resting on three steel floor beams, which are in turn supported by two steel girders, as shown below. The areas of cross section of the
floor beams and the girders are 18.3 in.2 and 32.7 in.², respectively. Determine the dead load acting on the beam CD.
Steel girder
(A-32.7 in.2)
At
I-
25 ft
B
I
Steel
column
C
D
Steel floor beam
(A =18.3 in.2) I
a. 600.0 lb/ft
b. 662.3 lb/ft
c. 62.3 lb/ft
d. 1347.3 lb/ft
E
4 in.
concrete slab
2 at 12 ft = 24 ft
Transcribed Image Text:The floor system of an apartment building consists of a 4-inch-thick reinforced concrete slab resting on three steel floor beams, which are in turn supported by two steel girders, as shown below. The areas of cross section of the floor beams and the girders are 18.3 in.2 and 32.7 in.², respectively. Determine the dead load acting on the beam CD. Steel girder (A-32.7 in.2) At I- 25 ft B I Steel column C D Steel floor beam (A =18.3 in.2) I a. 600.0 lb/ft b. 662.3 lb/ft c. 62.3 lb/ft d. 1347.3 lb/ft E 4 in. concrete slab 2 at 12 ft = 24 ft
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