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Show transcribed image text Q1: A simply supported reinforced concrete beam with length of 25' is under CMEP load of 10 psf and live load of 20 psf. Tributary width of the beam is 10'. The cross-section of the beam is shown below: The beam was constructed using 5000 psi normal weight concrete and Grade 60 reinforcement was used for reinforcing. Determine which loading stage the beam is at (uncrack or cracked-elastic stage). Calculate the stresses in the concrete at top and bottom extreme fibers if the beam is uncrack. If it cracks, find the maximum stresses in both concrete and steel of the beam using transformed area method. Q2: If the live load is 100 psf instead of 20 psf, determine the loading stage of the beam (uncrack or cracked-elastic stage). Calculate the stresses in the concrete at top and bottom extreme fibers if the beam is uncrack. if it cracks, find the maximum stresses in both concrete and steel of the beam using transformed area method.
May 26 2020 View more View Less
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