Rebarusoro ngụkọ ibu

Usoro: dayameta mm × dayameta mm × 0.00617 × ogologo m

Ihe atụ: Rebar Φ20mm (dayameta) × 12m (ogologo)

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

 

Ọkpọ ígwèusoro ibu

Usoro: (dayameta mpụta - ọkpụrụkpụ mgbidi) × ọkpụrụkpụ mgbidi mm × 0.02466 × ogologo m

Ihe atụ: paịpụ ígwè 114mm (dayameta mpụta) × 4mm (okpukpu mgbidi) × 6m (ogologo)

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

 

Ígwè dị larịịusoro ibu

Usoro: obosara akụkụ (mm) × ọkpụrụkpụ (mm) × ogologo (m) × 0.00785

Ihe atụ: ígwè dị larịị 50mm (obosara akụkụ) × 5.0mm (ọkpụrụkpụ) × 6m (ogologo)

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

 

Efere ígwèusoro ngụkọ ibu

Usoro: 7.85 × ogologo (m) × obosara (m) × ọkpụrụkpụ (mm)

Ihe atụ: efere ígwè 6m (ogologo) × 1.51m (obosara) × 9.75mm (ọkpụrụkpụ)

Ngụkọta: 7.85×6×1.51×9.75=693.43kg

 

Nhataígwè nkukuusoro ibu

Usoro: obosara akụkụ mm × ọkpụrụkpụ × 0.015 × ogologo m (ngụkọta siri ike)

Ihe atụ: Akụkụ 50mm × 50mm × 5 ọkpụrụkpụ × 6m (ogologo)

Ngụkọta: 50 × 5 × 0.015 × 6 = 22.5kg (tebụl maka 22.62)

 

Igwe ígwè na-enweghị nkuku usoro ibu

Usoro: (obosara akụkụ + obosara akụkụ) × ọkpụrụkpụ × 0.0076 × ogologo m (ngụkọta siri ike)

Ihe atụ: Akụkụ 100mm × 80mm × 8 ọkpụrụkpụ × 6m (ogologo)

Ngụkọta: (100 + 80) × 8 × 0.0076 × 6 = 65.67kg (Tebụl 65.676)