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Prestressed Material
15.24 mm PC Strand is the most commonly used steel strand specification. Very widely used in pretension and post-tension area.
SPECIFICATIONS
15.24 mm PC Strand parameters is as below,
15.24 mm PC Strand Breaking Strength
Nominal Diameter of Strand, in. [mm] | Minimum Breaking Strength of Strand, lbf [kN] | Steel Area of Strand, in. 2 [mm 2 ] | Weight [Mass] of Strand lb/1000 ft [kg/1000 m] |
Grade 250 [1725] | |||
0.600[15.24] | 54000[240] | 0.216[139] | 737[1090] |
Grade 270 [1860] | |||
0.600[15.24] | 58600[261] | 0.217[140] | 740[1100] |
15.24 mm PC Strand Yield Strength
Nominal Diameter of Strand in. [mm] | Initial Load, lbf [kN] | Minimum Load at 1.0 % Extension, lbf [kN] |
Grade 250 [1725] | ||
0.600[15.24] | 5400[24.0] | 48600[216.2] |
Grade 270 [1860] | ||
0.600[15.24] | 5860[26.1] | 52740[234.6] |
15.24 mm PC Strand Diameter Relation Between Center and Outer Wires
Nominal Diameter of Strand, in. [mm] | Minimum Difference Between Center Wire Diameter and Diameter of Any Outer Wire, in. [mm] |
Grade 250 [1725] | |
0.600[15.24] | 0.004[0.102] |
Grade 270 [1860] | |
0.600[15.24] | 0.004[0.102] |
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