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Calculate Rebar Development Length For Spread Footing:   Calculation: Designer/Checker:     Input       Metric Units   (Note: All input Metric units are converted to English units for the equations below and then the output English units are converted back to Metric)     B = 1.5 : Rebar-Epoxy Coated w/cover < 3db and spacing < 6db B = 1.2 : Rebar-Epoxy Coated B = 1.0 : Rebar-Uncoated   Bar Size <= 6; y = 0.8 Bar Size > 6; y = 1.0   @ = 1.0 : Fresh concrete below bars <= 12 in @ = 1.3 : Fresh concrete below bars > 12 in   Concrete compressive strength (f'c - psi or kPa) Steel yield strength (fy - psi or kPa) Bar spacing (S - in or cm) Distance - center of steel to nearest concrete surface (Dst - in or cm) Diameter of the reinforcing bar (db - in or cm) For footing ktr = 0.0   A = 1.0 : Normal weight concrete.             Output:   Login to enable the Formulas! Not a Member? Join Now! Rebar development length, lb =             Start Using The Calculations >>> Become A Member Now!

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