# Please solve completely and correctly, I will give thumbs up! Force Method. The reinforced concrete beam as sh...

###### Question:

please solve completely and correctly, I will give thumbs up!

Force Method. The reinforced concrete beam as shown in “Figure 1" has a constant cross sectional dimension of 10" x 12" (b x h). The unit weight of the concrete is 150 lb/ft3. The 28-day concrete compressive strength of the beam is = 4000 psi. Use the classical force method to analyze the indeterminate beam under the applied dead load only. Assume the following values of span length: L1 = 144 in, L2 = 120 in, L.-174 in, L4-96 in. Make a sensible assumption for any missing information
Comment: ACI 318-14, 19.2.2 estimates the modulus of elasticity for normal weight concrete using the following empirical relationship: Ec 57,000f (psi) with f in (psi). Assume all members are uncracked, i.e. use gross section properties. Note: You are allowed to use any computer application (i.e. SAP 2000) to determine the displacement at desired locations for the redundant structures instead of mathematical computation.
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