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AR 137 ARCHITECTURAL STRUCTURES PRELIM EXAM INSTRUCTIONS: Read the instructions carefully. Upload your answers in the submission bin. ALWAYS Box your answers. Answers not enclosed in the box will not be considered. Always use 4 decimal places in your intermediate solutions and final answers. No solutions, no credits. PROBLEM 1. A 10m simply supported beam has a imiform distributed deadload of 12.5 IN/m across its span and a 78.125 kN concentrated live load acted in the midpoint of the structure. The 275mm x 330mm (WxH) beam has the following properties: fc = 29 MPa fv = 400 MPa clear cover = 40mm The beam is reinforced by 4-20mm bar (arranged in a single line with adequate spacing in between), 10mm diameter stirrups, and clear cover of 40mm. Determine if the beam can support the applied loads. Use LRFD