A structure is to be built as shown supporting a uniform load of 18 kN/m. The location for the supports at A and B has been determined. The connection at C may be placed anywhere 18 kN/m A C D 3 m rigid B m -5 m If the allowable bending stress for member AD is 8 MPa, which among the choices gives the most economic section? Select the correct response:

Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN:9781337094740
Author:Segui, William T.
Publisher:Segui, William T.
Chapter9: Composite Construction
Section: Chapter Questions
Problem 9.1.3P
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f
A structure is to be built as shown supporting a uniform load of 18 kN/m. The location for the supports at A and B has been determined. The connection at C may be placed anywhere along the member AD
18 kN/m
A
C
D
3 m
B
L
-7 mi
-5 m-
If the allowable bending stress for member AD is 8 MPa, which among the choices gives the most economic section?
Select the correct response:
275 mm x 550 mm
250 mm x 500 mm
300mm x 600 mm
225 mm x 450 mm
rigid
Transcribed Image Text:S f A structure is to be built as shown supporting a uniform load of 18 kN/m. The location for the supports at A and B has been determined. The connection at C may be placed anywhere along the member AD 18 kN/m A C D 3 m B L -7 mi -5 m- If the allowable bending stress for member AD is 8 MPa, which among the choices gives the most economic section? Select the correct response: 275 mm x 550 mm 250 mm x 500 mm 300mm x 600 mm 225 mm x 450 mm rigid
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