Estimating, Cost and Valuation Measurement

If a bar is cranked at both ends at an angle of 30°,  then the extra length required when compared to a straight bar is (d = centre to centre distance between the top and bottom steel.)

1
2 × 0.72 d
2
2 × 0.27 d
3
2 × 0.42 d
4
2 × 0.24 d

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