SITUATION 2. A spiral column 600 mm in diameter has an unsupported height of 2.4 m. The column is bent in single curvature and is braced against sidesway. Given: Axial loads at service condition Dead Load, DL = 3200 kN Live Load, LL = 1420 kN Compressive strength, f.' = 28 MPa Steel yield strength, fy = 413 MPa 4. What is the slenderness ratio of the column? Assume that the column ends are pinned. а. 12 b. 14 5. If the required steel ratio is 1.7%, find the corresponding number of 28 mm diameters required. с. 16 d. 18 c. 10 bars d. 12 bars a. 6 bars b. 8 bars 6. Find the number of 32mme bars required the ultimate design load strength, U=1.2D +1.6L. a. 6 bars b. 8 bars c. 10 bars d. 12 bars
SITUATION 2. A spiral column 600 mm in diameter has an unsupported height of 2.4 m. The column is bent in single curvature and is braced against sidesway. Given: Axial loads at service condition Dead Load, DL = 3200 kN Live Load, LL = 1420 kN Compressive strength, f.' = 28 MPa Steel yield strength, fy = 413 MPa 4. What is the slenderness ratio of the column? Assume that the column ends are pinned. а. 12 b. 14 5. If the required steel ratio is 1.7%, find the corresponding number of 28 mm diameters required. с. 16 d. 18 c. 10 bars d. 12 bars a. 6 bars b. 8 bars 6. Find the number of 32mme bars required the ultimate design load strength, U=1.2D +1.6L. a. 6 bars b. 8 bars c. 10 bars d. 12 bars
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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4) 16
5) 8 BARS
6) 10 BARS
Transcribed Image Text:SITUATION 2.
A spiral column 600 mm in diameter has an unsupported height of 2.4 m. The column is bent in single
curvature and is braced against sidesway.
Given: Axial loads at service condition
Dead Load, DL = 3200 kN
Live Load, LL = 1420 kN
Compressive strength, f' = 28 MPa
Steel yield strength, fy = 413 MPa
4. What is the slenderness ratio of the column? Assume that the column ends are pinned.
а. 12
b. 14
5. If the required steel ratio is 1.7%, find the corresponding number of 28 mm diameters required.
с. 16
d. 18
a. 6 bars
c. 10 bars
b. 8 bars
6. Find the number of 32mmø bars required the ultimate design load strength, U=1.2D +1.6L.
a. 6 bars
b. 8 bars
d. 12 bars
c. 10 bars
d. 12 bars
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