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Given the beam cross-section in 1. MCR and OCR (Negative be: 2. Steel stress before and aft 3. Curvature after cracking v

Given the beam cross-section in 1. MCR and OCR (Negative be: 2. Steel stress before and aft 3. Curvature after cracking v

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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Given the beam cross-section in Figure 1 and the material strengths in Table 1, please find: 1. MCR and PCR (Negative bending so the top fiber is in tension) 2. Steel stress before and after cracking (p = A/bd) 3. Curvature after cracking when M = MCR, My, and dy 24" 12" Figure 1- Beam cross-section -3#8 -4#4 Table 1- Material strengths fy 80 ksi 0.2 in² As #4 d 17.5 in. fc As #8 6000 psi 0.79 in² r bo
Transcribed Image Text:Given the beam cross-section in Figure 1 and the material strengths in Table 1, please find: 1. MCR and PCR (Negative bending so the top fiber is in tension) 2. Steel stress before and after cracking (p = A/bd) 3. Curvature after cracking when M = MCR, My, and dy 24" 12" Figure 1- Beam cross-section -3#8 -4#4 Table 1- Material strengths fy 80 ksi 0.2 in² As #4 d 17.5 in. fc As #8 6000 psi 0.79 in² r bo
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