PRESTRESSED HOLLOW CORE SLABS 200MM
Sectional Information
Cross-section area: 174,855 X 103mm2
Moment of inertia: 1 205,857 X 106mm4
Section modulus top: 9,651 X 106mm3
Section modulus bottom: 9,642 X 106mm3
Total breadth of webs: 468mm
Centroidal axis from bottom: 34,5mm
Conc. 28 day strength: 50MPa
Conc. strength at transfer: 35MPa
Mod. of elasticity of concrete: 34kN/mm2
Stressing of strand / wire: 70%
Check: stresses at transfer: OK
Cover to steel: 30mm
Structural Information
Standard Wiring Patterns
G = 10 x 9.53mm strand (over 8m span = 2 x 5mm top wire)
H + 2 = 9 x 9.53mm strand + 3 x 12.5mm strand + 2 x 5mm wires – top (over 9m span – 2 x additional x 5mm top wire)
J + 4 = 4 x 9.53mm strand + 8 x 12.5mm strand + 4 x 5mm wires – top
Load Capacity Table
Design loads include self weight, grouting between joints and finishes up to 1,5kN/m2.