3. (20 points) No calculations are needed. (a) How does concrete age affect the long-term deflections in a reinforced co

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3 20 Points No Calculations Are Needed A How Does Concrete Age Affect The Long Term Deflections In A Reinforced Co 1 (32.6 KiB) Viewed 19 times

3. (20 points) No calculations are needed. (a) How does concrete age affect the long-term deflections in a reinforced concrete beam? (b) Discuss at least two ACI code modification factors that are applied to decrease the development length of concrete rebars. © Please examine each of the following two beams in the figure and mention if it works as a rectangular beam or T-Beam. 45 45" 30* 30" 6 #8 39 -15" 10 10- (a) (b) Fig. 1. (a) Death of stress block = 5 in, positive moment (6) Depth of stress black = 2.5 in, negative moment