RebarFomba fanaovana kajy lanja

Formula: Diameter mm × Diameter mm × 0.00617 × Lava M

Ohatra: rebar φ20mm (diameter) × 12m (halavany)

Kajy: 20 × 20 × 0.00617 × 12 = 29.616kg

 

Fantsona vyFomba lanjany

Formula:

Ohatra: sodina vy 114mm (savaivony ivelany) × 4mm (holatra) × 6m (halavany)

Kajy: (114-4) × 4 × 0.02466 × 6 = 65.102kg

 

Flat vyFomba lanjany

Formula: sakany (mm) × holatra (mm) × (m) × 0.00785

Ohatra: vy vy 50mm (sakan'ny sisiny) × 5.0mm (hateviny) × 6m (halavany)

Kajy: 50 × 5 × 6 × 0.00785 = 11.7.75 (kg)

 

Lovia vyFomba fanaovana kajy lanja

Formula: 7.85 × Lehibe (M) × sakan'ny (m) × henjana (mm)

Ohatra: lovia vy 6m (halavany) × 1.51m (sakany) × 95mm (hatevina)

Kajy: 7.85 × 6 × 1.51 × 975 = 693.43kg

 

mitovyAngle vy vyFomba lanjany

Formula: Side Width MM × Thickness × 0.015 × Lehibe M (kajy hentitra)

Ohatra: Angle 50mm × 50mm × 5 Thick × 6m (Long)

Kajy: 50 × 5 × 0.015 × 6 = 22.5kg (latabatra ho an'ny 22.62)

 

Vy vy tsy mitovy Fomba lanjany

Formula:

Ohatra: Angle 100mm × 80mm × 8 Thick × 6m (Long)

Kajy: (100 + 80) × 8 × 0.0076 × 6 = 65.67kg (Latabatra 65.676)