RebarFormula àireamh cuideam

Foirmle: trast-thomhas mm × tripeater mm × 0.00617 × fada m.

Eisimpleir: REBAR φ20mm (trast-thomhas) × 12m (fad)

Calculation: 20 × 20 × 0.00617 × 12 = 29.616KG

 

Pìob stàilinnfoirmle cuideam

Foirmle: (trast-thomhas a-muigh - tighead balla) × tiugh balla mm × 0.02466 × fada m

Eisimpleir: Pìoba stàilinn 114mm (tripiche a-muigh) × 4mm (tighead balla) × 6m (fad)

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

 

Stàilinn còmhnardfoirmle cuideam

Foirmle: leud taobh (mm) × tiugh (mm) (m) × 0.00785

Eisimpleir: Steel Steel 50m (leud taobh) × 5.0mm (tighead) × 6m (fad)

Calculation: 50 × 5 × 6 × 1500785 = 11.7.75 (kg)

 

Truinnsear stàilinnFormula àireamh cuideam

Foirmle: 7.85 × fada (m) leud (m) tighead (m mm)

Eisimpleir: Plàta stàilinn 6m (Fad) × 1.51m (leud) × 9.75mm (tighead)

Àireamhachadh: 7.85 × 6 × 1.51 × 9.75 = 693.43kg

 

Co-ionannStele Steelfoirmle cuideam

Formula: leud taobh LiM × tiugh × 0.015 × fada m (àireamhachadh garbh)

Eisimpleir: Angle 50mm × 50mm × 5 Timcheall × 6m (Long)

Calculation: 50 × 5 × 0.015 × 6 = 22.5kg (Clàr airson 22.62)

 

Stàilinn ceàrn neo-ionann foirmle cuideam

Foirmle: (leud taobh leud + sìn + × 0.0076 × Long m (àireamhachadh garbh)

Eisimpleir: Angle 100mm × 80mm × 8 tiugh × 6m (fada)

Calculation: (100 + 80) × 8 ×076 × 6 = 65.67kg (Clàr 65.676)