d) Calculate the first story column axial load capacity using 8-#11. Verify that the column size and reinforcement satisfy the design strength requirement: Pu<ØPn. Material Properties: fc'= 5 ksi, (concrete compressive strength) fy= 60 ksi (steel yield strength) e) Determine the number and size of minimum required vertical bars at third story. Note that reinforcing bar cages are typically fabricated two stories tall. That is, the first and second stories have the same reinforcing bars, and the third and fourth stories have the same reinforcing bars. Since the same size column is used at all stories, for construction economy, the vertical reinforcing bars may be reduced as the factored load demand reduces at the upper stories.
d) Calculate the first story column axial load capacity using 8-#11. Verify that the column size and reinforcement satisfy the design strength requirement: Pu<ØPn. Material Properties: fc'= 5 ksi, (concrete compressive strength) fy= 60 ksi (steel yield strength) e) Determine the number and size of minimum required vertical bars at third story. Note that reinforcing bar cages are typically fabricated two stories tall. That is, the first and second stories have the same reinforcing bars, and the third and fourth stories have the same reinforcing bars. Since the same size column is used at all stories, for construction economy, the vertical reinforcing bars may be reduced as the factored load demand reduces at the upper stories.
Architectural Drafting and Design (MindTap Course List)
7th Edition
ISBN:9781285165738
Author:Alan Jefferis, David A. Madsen, David P. Madsen
Publisher:Alan Jefferis, David A. Madsen, David P. Madsen
Chapter29: Design Criteria For Structural Loading
Section: Chapter Questions
Problem 29.2Q
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