Situation 2. A reinforced concrete beam has a total depth limited to 500 mm due to...
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Situation 2. A reinforced concrete beam has a total depth limited to 500 mm due to architectural clear floor height requirement. Effective concrete cover is 65 mm. fc = 34 MPa and fy= 414 MPa. Total factored moment is 250 kN-m. a. Determine the approximate required value of As, if the architect also wishes to have the smallest beam width. Design a singly reinforced, tension-controlled section. Use 5 decimal places for steel ratio. b. If the width is 350 mm, determine the maximum number of 25 mm diameter bars that can be used for a transition-controlled, singly reinforced section. Situation 2. A reinforced concrete beam has a total depth limited to 500 mm due to architectural clear floor height requirement. Effective concrete cover is 65 mm. fc = 34 MPa and fy= 414 MPa. Total factored moment is 250 kN-m. a. Determine the approximate required value of As, if the architect also wishes to have the smallest beam width. Design a singly reinforced, tension-controlled section. Use 5 decimal places for steel ratio. b. If the width is 350 mm, determine the maximum number of 25 mm diameter bars that can be used for a transition-controlled, singly reinforced section.
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