Question: Example: Select an economical rectangular beam sizes and select bars using ACl strength method. The beam is a simply supported span of a 1 2

Example:
Select an economical rectangular beam sizes and select bars using ACl strength method. The beam is a simply supported span of a 12 m and it is to carry a live load of 20KNm and a dead load of 25KNm including beam weight.
Take fc'=28 MPa, fy=400MPa.
Assume d~~2b
Example: Select an economical rectangular beam

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