Situation 4. Given the symmetrical (with the vertical axis) built-up section shown 15. Determine the location of the centroid of the area Steel plate 1 450 mm x 12 mm measured from the x-axis a. 105.349 mm c. 94.226 mm -12 mm b. 89.575 mm d. 112.293 mm 450 mm 16. Compute the moment of inertia of the built-up section with respect to the centroidal axis parallel to the x-axis? c. 271506957.3 mm L 64 x 64 x 12.7 a. 318242294.7 mm L 64 x 64 x 12.7 Steel plate 2 180 mm x 12 b. 305248446.3 mm d. 248534528.9 mm 17. Compute the radius of gyration of the built-up section with resp a. 63.568 mm the centroidal vertical axis? C 250 x c. 26.062 mm b. 62.513 mm d. 23.372 mm 12 mm - 180 mm- C 250 x 37 Area = 4740 mm Depth = 254 mm X Web thickness = 13.4 mm x = 15.7 mm Ix= 37.9 x 10 mm ly= 1.39 x 10 mm L 64 x 64 x 12.7 Area = 1450 mm? x= 20.4 mm y = 20.4 mm X Ix= 0.508 x 10° mm ly= 0.508x 10° mm
Situation 4. Given the symmetrical (with the vertical axis) built-up section shown 15. Determine the location of the centroid of the area Steel plate 1 450 mm x 12 mm measured from the x-axis a. 105.349 mm c. 94.226 mm -12 mm b. 89.575 mm d. 112.293 mm 450 mm 16. Compute the moment of inertia of the built-up section with respect to the centroidal axis parallel to the x-axis? c. 271506957.3 mm L 64 x 64 x 12.7 a. 318242294.7 mm L 64 x 64 x 12.7 Steel plate 2 180 mm x 12 b. 305248446.3 mm d. 248534528.9 mm 17. Compute the radius of gyration of the built-up section with resp a. 63.568 mm the centroidal vertical axis? C 250 x c. 26.062 mm b. 62.513 mm d. 23.372 mm 12 mm - 180 mm- C 250 x 37 Area = 4740 mm Depth = 254 mm X Web thickness = 13.4 mm x = 15.7 mm Ix= 37.9 x 10 mm ly= 1.39 x 10 mm L 64 x 64 x 12.7 Area = 1450 mm? x= 20.4 mm y = 20.4 mm X Ix= 0.508 x 10° mm ly= 0.508x 10° mm
Chapter7: Deflections Of Trusses, Beams, And Frames: Work-energy Methods
Section: Chapter Questions
Problem 29P
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Transcribed Image Text:Situation 4. Given the symmetrical (with the vertical axis) built-up
section shown
15. Determine the location of the centroid of the area
Steel plete 1
450 mm x 12 mm
measured from the x-axis
a. 105.349 mm
c. 94.226 mm
12 mm
b. 89.575 mm
d. 112.293 mm
450 mm
16. Compute the moment of inertia of the built-up section
with respect to the centroidal axis parallel to the x-axis?
c. 271506957.3 mm
L 64 x 64 x 12.7
a. 318242294.7 mm
L 64 x 64 x 12.7
Steel plate 2
180 mm x 12 mm
b. 305248446.3 mm
d. 248534528.9 mm
17. Compute the radius of gyration of the built-up section
with respect to the centroidal vertical axis?
C 250 x 37
a. 63.568 mm
c. 26.062 mm
b. 62.513 mm
d. 23.372 mm
12 mm
180 mm
с 250 и 37
L 64 x 64 x 12.7
Area = 4740 mm?
Area = 1450 mm?
Depth = 254 mm
X Web thickness = 13.4 mm
x = 15.7 mm
Ix= 37.9 x 10° mm
ly= 1.39 x 10 mm
x= 20.4 mm
X-
y = 20.4 mm
X Ix= 0.508 x 10° mm
ly= 0.508x 10° mm
X-
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