![]() Where L or W is length or width of footing Length of bar = L or W–concrete cover for both sides + 2*bend length Equation 9 calculate the required number of bars for both directions.After that, the following steps will be taken to compute steel quantity. ![]() This can be achieved from design drawings. Size of footing and its reinforcement details (bar size and spacing) shall be known. ( /162) is the weight of a steel which is derived from steel volume times its density which is 7850 kg/m 3. of bars*cutting length*weight of the bar ( /162) Equation 7 The same equation used for both main and shrinkage and temperature reinforcement, but corresponding cutting length, number of bars, and bar diameter is used. Convert that length into kilograms or tons because steel bars are ordered by weight.
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