- Design Of Prestressed Concrete Problem 1 (129.68 KiB) Viewed 45 times
** DESIGN OF PRESTRESSED CONCRETE PROBLEM **
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** DESIGN OF PRESTRESSED CONCRETE PROBLEM **
** DESIGN OF PRESTRESSED CONCRETE PROBLEM **
Determine the nominal moment capacity Mn and the design moment capacity oMn of the prestressed beam shown in the figure below using the AASHTO method given the following information: • Bonded strands that are stress relieved (ASTM standards) Aps = 1.53 in; fc 7000 psi; e, = 8.15 in, fpu = 270 ksi, fpe = 0.567 fpu; Ac = 309 in 1, = 25500 in4; 26 2170 in’; = 2080 inº; Yt = 12.25 in, yo = 11.75 in; dp = 20.4 in Non-prestressed mild reinforcement is located in the lower flange with: As = 1.24 in?; fy = 60 ksi; de = 22 in = = = = = . 36 in 2.5 I 24 6 2 3 I
Determine the nominal moment capacity Mn and the design moment capacity oMn of the prestressed beam shown in the figure below using the AASHTO method given the following information: • Bonded strands that are stress relieved (ASTM standards) Aps = 1.53 in; fc 7000 psi; e, = 8.15 in, fpu = 270 ksi, fpe = 0.567 fpu; Ac = 309 in 1, = 25500 in4; 26 2170 in’; = 2080 inº; Yt = 12.25 in, yo = 11.75 in; dp = 20.4 in Non-prestressed mild reinforcement is located in the lower flange with: As = 1.24 in?; fy = 60 ksi; de = 22 in = = = = = . 36 in 2.5 I 24 6 2 3 I
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