Question: Consider the simply supported rectangular beam (Fig. 1) for which the following information is provided: =0; =2400psi; =0; =2400psi; span = 40ft; M =

Consider the simply supported rectangular beam (Fig. 1) for which the following information is provided: =0; =2400psi; =0; =2400psi; span = 40ft; M = 720,000lb-in; (e) =9in; 77=0.80. 24 in 12 in Figure 1 1) Determine the live load (w = plf) for which the point of intersection of the two lines representing stress conditions I and IV leads to a value of eccentricity equal (e.)... 2) Using the live load obtained in part (1), determine the initial prestressing force F, required, and check whether the design will satisfy and ...

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