Question: The unit weight of reinforced and prestressed concrete is often estimated to be 150 pcf for design calculations. Using a concrete unit weight of

The unit weight of reinforced and prestressed concrete is often estimated to be 150 pcf for design calculations. Using a concrete unit weight of 145 pcf and steel unit weight of 490 pcf, determine the actual effective unit weight of the reinforced concrete deck slab shown below. #5 at 8" #4 at 18" #5 at 12" 8"
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