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20 x 20

DATA

Triangle Pile, side length: 20 cm
Concrete Quality: K-450

Dimension & Main Reinforcement: 4D10mm or 4D13mm
Stirrup: ø 5 mm (tolerance 0.2 mm)
Area of Steel: 5.31 cm²
Area of concrete (netto): 392.00 cm²

CALCULATION

Stress allowable of Concrete Compression: 168.08 Kg/cm²
Stress allowable of Steel Tension: 2.262 Kg/ cm²

P AXIAL Ultimate :

P = 77.889 Kg = 77.9 Ton
SAFETY FACTOR : 2.1
P ALLOWABLE : 35 TON for 4D10mm or 37 ton for 4D13mm

Notes :

1. P allowable Concrete = 0.45 fc’ = 0.45 x (0.83 x 450)

2. Minimum age of pile > 28 day

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