Page 187 - Civil Engineering Formulas

Horizontal bars with more than 12 in (30.5 mm) of concrete Other bars † cast below the bar † 4.8 2 f c 3.4 2f c or 500, whichever is less or 350, whichever is less D D 3 2 f c 2.1 2 f c or 400, whichever is less 6.5 2 f c or 400, whichever is l

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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