Problem 7. One-story and two-bay frame is under distributed loading as shown in the figure below. The column height, L, is 10 ft. The beams are made of W18x50 (Ix-800 in4) and columns are made of W12x58 (Ix-425 in³,Ag-17 in², -5.23 inch, ry-2.48 inch). All the structural members are made of grade 50 steel (Fy-50 ksi and Fu-65 ksi). The columns are fully braced with respect to bending in y direction. (a) Identify the effective lengths and slenderness in x and y directions of column ab. (b) Calculate the compressive strength of column ab, Pn. (c) Identify the maximum distributed load, wu, the frame can carry based on the compressive capacity of column ab. 77. WU W18x50 25 ft a 25 ft

Structural Analysis
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Problem 7. One-story and two-bay frame is under distributed loading as shown in the figure below. The
column height, L, is 10 ft. The beams are made of W18x50 (k-800 in4) and columns are made of
W12x58 (I-425 in3,A=17 in?, x-5.23 inch, ry=2.48 inch). All the structural members are made of grade
50 steel (Fy-50 ksi and Fu-65 ksi). The columns are fully braced with respect to bending in y direction.
(a) Identify the effective lengths and slenderness in x and y directions of column ab.
(b) Calculate the compressive strength of column ab, pPn-
the frame can carry based on the compressive
(c) Identify the maximum distributed load, Wu,
capacity of column ab.
4at-10
Wu
W18x50
a
b
25 ft
25 ft
Transcribed Image Text:Problem 7. One-story and two-bay frame is under distributed loading as shown in the figure below. The column height, L, is 10 ft. The beams are made of W18x50 (k-800 in4) and columns are made of W12x58 (I-425 in3,A=17 in?, x-5.23 inch, ry=2.48 inch). All the structural members are made of grade 50 steel (Fy-50 ksi and Fu-65 ksi). The columns are fully braced with respect to bending in y direction. (a) Identify the effective lengths and slenderness in x and y directions of column ab. (b) Calculate the compressive strength of column ab, pPn- the frame can carry based on the compressive (c) Identify the maximum distributed load, Wu, capacity of column ab. 4at-10 Wu W18x50 a b 25 ft 25 ft
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