Page 161 - Civil Engineering Formulas
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Type Johnson equation Straight line Straight line Straight line Squared parabolic Squared parabolic
n 1.0 1.0 1.0 2.0 2.0
3.00 3.00 3.00 2.00 2.00
k
K MPa 0.385 274.4 0.385 330.9 0.385 283.4 0.250 422.7 0.250 511.6
Material Constants for Common Aluminum Alloys Values Average F ce F cy psi MPa 39,800 234.4 48,000 275.8 41,100 241.3 61,300 393.0 74,200 475.8
3.5 psi Material 34,000 40,000 24S–T3 and T4 35,000 57,000 69,000 Ref: ANC-5.
TABLE 14S–T4 61S–T6 14S–T6 75S–T6
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