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Question: fc4000 ps fy 60000 psi l30 ft h 22 d...

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fc-4,000 ps fy 60,000 psi L-30 ft h 22 d- 20 As b 15Problem 4: Calculations show that 3.75 in, of top or negative steel is required for the beam shown. If 4-#9 bars have been selected with side and top cover equal to 3 in and end cover equals to 2.0 in a) Determine the minimum development length needed for the standard 180° hook shown. b) Determine if the #9 bars can be safely anchored by a standard 90° hook as shown Assume fe 3500psi, fy 60,000psi, and no stirrups through the overhang.

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