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9-5 and 9-6 For the cross sections shown in Figs. P9-50 and P9-6, compute a. the gross moment of inertia, Ii b. the location of the neutral axis of the cracked section and Ir; and c. Ie for M₁ = 0.55Mn. Ma

9-5 and 9-6 For the cross sections shown in Figs. P9-50 and P9-6, compute a. the gross moment of inertia, Ii b. the location of the neutral axis of the cracked section and Ir; and c. Ie for M₁ = 0.55Mn. Ma

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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**Text Transcription:** "For the cross sections shown in Figs. P9-5 and P9-6, compute: a. the gross moment of inertia, \( I_g \); b. the location of the neutral axis of the cracked section and \( I_{cr} \); and c. \( I_e \) for \( M_a = 0.55M_n \). *Fig. P9-5*" **Diagram Explanation:** The diagram in Fig. P9-5 illustrates a rectangular cross section of concrete reinforced with steel bars. The rectangle has a height of 26 inches and a width of 16 inches. At the bottom of the rectangle, there are six circles representing "6 No. 8 bars," indicating the presence of six reinforcing steel bars. These bars are typically used to enhance the tensile strength of the concrete section.
Transcribed Image Text:**Text Transcription:** "For the cross sections shown in Figs. P9-5 and P9-6, compute: a. the gross moment of inertia, \( I_g \); b. the location of the neutral axis of the cracked section and \( I_{cr} \); and c. \( I_e \) for \( M_a = 0.55M_n \). *Fig. P9-5*" **Diagram Explanation:** The diagram in Fig. P9-5 illustrates a rectangular cross section of concrete reinforced with steel bars. The rectangle has a height of 26 inches and a width of 16 inches. At the bottom of the rectangle, there are six circles representing "6 No. 8 bars," indicating the presence of six reinforcing steel bars. These bars are typically used to enhance the tensile strength of the concrete section.
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