Question 5: A simply supported beam (Figure P5.5-3) is subjected to a uniform service dead load of 1.0 kips/ft (including the weight of the beam), a uniform service live load of 2.5 kips/ft, and a concentrated service dead load of 45 kips. The beam is 40 feet long, and the concentrated load is located 15 feet from the left end. The beam has contin- uous lateral support, and A572 Grade 50 steel is used. Is a W30 × 116 adequate? a. Use LRFD. b. Use ASD. P, = 45k 15' 25'- Wp = 1.0k/ft W = 2.5k/ft W30 x 116 40
Question 5: A simply supported beam (Figure P5.5-3) is subjected to a uniform service dead load of 1.0 kips/ft (including the weight of the beam), a uniform service live load of 2.5 kips/ft, and a concentrated service dead load of 45 kips. The beam is 40 feet long, and the concentrated load is located 15 feet from the left end. The beam has contin- uous lateral support, and A572 Grade 50 steel is used. Is a W30 × 116 adequate? a. Use LRFD. b. Use ASD. P, = 45k 15' 25'- Wp = 1.0k/ft W = 2.5k/ft W30 x 116 40
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:Question 5:
A simply supported beam (Figure P5.5-3) is subjected to a uniform service dead load
of 1.0 kips/ft (including the weight of the beam), a uniform service live load of
2.5 kips/ft, and a concentrated service dead load of 45 kips. The beam is 40 feet long,
and the concentrated load is located 15 feet from the left end. The beam has contin-
uous lateral support, and A572 Grade 50 steel is used. Is a W30 x 116 adequate?
a. Use LRFD.
b. Use ASD.
P, = 45k
15'
25'
Wp= 1.0k/ft
W2 = 2.5k/ft
W30 × 116
40'
FIGURE P5.5-3
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