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Example 3.8 Two Rows of Bars Determine the design moment strength of a rectangular concrete section reinforced with six no. 9 bars in two rows (Fig. 3.22). Given: b = 12 in., d = 23.5 in., h = 27 in., d, = 24.5 in., f = 4 ksi, and fy = 60 ksi. d = 23.5" 3.5" Co 6#9 ● 12" d₂ 2.5" Er 0.003 d, 27-2.5 = 24.5" Figure 3.22 Example 3.8. Analysis of single reinforced rectangular section.

Example 3.8 Two Rows of Bars Determine the design moment strength of a rectangular concrete section reinforced with six no. 9 bars in two rows (Fig. 3.22). Given: b = 12 in., d = 23.5 in., h = 27 in., d, = 24.5 in., f = 4 ksi, and fy = 60 ksi. d = 23.5" 3.5" Co 6#9 ● 12" d₂ 2.5" Er 0.003 d, 27-2.5 = 24.5" Figure 3.22 Example 3.8. Analysis of single reinforced rectangular section.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Subject Reinforced Concrete Design
The University of Texas ARLINGTON... 00:05 11.54.55 SECTIONS IN THE TRANSITION REGION (<0.9) Example 3.8 Two Rows of Bars Determine the design moment strength of a rectangular concrete section reinforced with six no. 9 bars in two rows (Fig. 3.22). Given: b = 12 in., d = 23.5 in., h = 27 in., d, = 24.5 in., f = 4 ksi, and fy = 60 ksi. d = 23.5" 3.5" ● Co 6#9 12" d₂ 2.5" Er 0.003 d, 27-2.5 = 24.5" Figure 3.22 Example 3.8. Analysis of single reinforced rectangular section. 5
Transcribed Image Text:The University of Texas ARLINGTON... 00:05 11.54.55 SECTIONS IN THE TRANSITION REGION (<0.9) Example 3.8 Two Rows of Bars Determine the design moment strength of a rectangular concrete section reinforced with six no. 9 bars in two rows (Fig. 3.22). Given: b = 12 in., d = 23.5 in., h = 27 in., d, = 24.5 in., f = 4 ksi, and fy = 60 ksi. d = 23.5" 3.5" ● Co 6#9 12" d₂ 2.5" Er 0.003 d, 27-2.5 = 24.5" Figure 3.22 Example 3.8. Analysis of single reinforced rectangular section. 5
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