Page 188 - Civil Engineering Formulas

or 500, whichever is less or 400, whichever is less or 160, whichever is less

Other bars †

4.8 2 f c D 3 2 f c 6.5 2 f c 2.4 2 f c

Horizontal bars with more than 12 in (30.5 mm) of concrete cast below the bar † 3.4 2 f c or 350, whichever is less D 2.1 2 f c or 400, whichever is less 6.5 2 f c or 160, whichever is less 1.7 2 f c compressive strength of concrete, lb/in 2 (MPa

Allowable Bond Stresses*

5.3 Tension bars with sizes and deformations conforming to ASTM A305 Tension bars with sizes and deformations conforming to ASTM A408 Deformed compression bars * lb/in 2 ( 0.006895 MPa).
TABLE Plain bars † f c

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