Rebarkumu helu kaumaha

Kumu: anawaena mm × anawaena mm × 0.00617 × ka loa m

Laʻana: Rebar Φ20mm (diameter) × 12m (lōʻihi)

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

 

Paipu kilakumu kaumaha

Kumu: (ka anawaena o waho - mānoanoa pā) × mānoanoa pā mm × 0.02466 × ka lōʻihi m

Laʻana: paipu kila 114mm (ka anawaena o waho) × 4mm (ka mānoanoa o ka paia) × 6m (lōʻihi)

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

 

kila palahalahakumu kaumaha

Kumu: laula ʻaoʻao (mm) × mānoanoa (mm) × lōʻihi (m) × 0.00785

Laʻana: kila pālahalaha 50mm (ākea ʻaoʻao) × 5.0mm (mānoanoa) × 6m (lōʻihi)

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

 

Pā kilakumu helu kaumaha

Kumu: 7.85 × lōʻihi (m) × laula (m) × mānoanoa (mm)

Laʻana: pā kila 6m (lōʻihi) × 1.51m (ākea) × 9.75mm (mānoanoa)

Heluhelu: 7.85×6×1.51×9.75=693.43kg

 

Kaulikekila kihikihikumu kaumaha

Kumu: ʻaoʻao laula mm × mānoanoa × 0.015 × lōʻihi m (ka helu ʻino)

Laʻana: Angle 50mm × 50mm × 5 mānoanoa × 6m (lōʻihi)

Heluhelu: 50 × 5 × 0.015 × 6 = 22.5kg (papakaukau no 22.62)

 

Ke kila kihi ʻole like ʻole kumu kaumaha

Kōkuhi: (ka laula ʻaoʻao + ka laula ʻaoʻao) × mānoanoa × 0.0076 × ka lōʻihi m (helu ʻōuli)

Laʻana: Angle 100mm × 80mm × 8 mānoanoa × 6m (lōʻihi)

Heluhelu: (100 + 80) × 8 × 0.0076 × 6 = 65.67kg (Pauku 65.676)