A beam ABC with an overhang from B to C is constructed of a C 10 x 30 channel section with flanges facing upward (see figure). C 2.381 in. C0.649 in. 3.03 in. -10.0 in. The beam supports its own weight (30 lb/ft) plus a triangular load of maximum intensity g, acting on the overhang. The allowable stresses in tension and compression are 23 ksi and 18 ksi, respectively. Assume the distance L equals 5 ft. (a) Determine the allowable triangular load intensity go allow: (Enter the magnitude in Ib/ft.) Ib/ft (b) What is the allowable triangular load intensity q. allow if the beam is rotated 180° about its longitudinal centroidal axis so that the flanges are downward? (Enter the magnitude in Ib/ft.) Ib/ft
A beam ABC with an overhang from B to C is constructed of a C 10 x 30 channel section with flanges facing upward (see figure). C 2.381 in. C0.649 in. 3.03 in. -10.0 in. The beam supports its own weight (30 lb/ft) plus a triangular load of maximum intensity g, acting on the overhang. The allowable stresses in tension and compression are 23 ksi and 18 ksi, respectively. Assume the distance L equals 5 ft. (a) Determine the allowable triangular load intensity go allow: (Enter the magnitude in Ib/ft.) Ib/ft (b) What is the allowable triangular load intensity q. allow if the beam is rotated 180° about its longitudinal centroidal axis so that the flanges are downward? (Enter the magnitude in Ib/ft.) Ib/ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A beam ABC with an overhang from B to C is constructed of a C 10 x 30 channel section with flanges facing upward (see figure).
A
В
C
/I 2.381 in.
C0.649 in.
3.03 in.
C
-10.0 in.
The beam supports its own weight (30 Ib/ft) plus a triangular load of maximum intensity q, acting on the overhang. The allowable stresses in tension and compression are 23 ksi and 18 ksi, respectively.
Assume the distance L equals 5 ft.
(a) Determine the allowable triangular load intensity q0, allow: (Enter the magnitude in Ib/ft.)
Ib/ft
(b) What is the allowable triangular load intensity q0, allow
if the beam is rotated 180° about its longitudinal centroidal axis so that the flanges are downward? (Enter the magnitude in Ib/ft.)
Ib/ft
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