Peb feem ntau ntsib qhov kev suav ntawm cov hlau hnyav thaum ua haujlwm. Hnub no, kuv yuav nthuav qhia koj nrog ntau txoj hauv kev suav rau cov hlau hnyav, uas yog qhov ua tau tiag tiag.
Hlau phaj hnyav xam cov mis
Cov mis: 7.85 × ntev (m) × dav (m) × tuab (hli)
Piv txwv: Hlau phaj 6m (ntev) × 1.51m (dav) × 9.75mm (tuab)
Muab xam los: 7.85 × 6 × 1.51 × 9.75=693.43kg
Cov yeeb nkab hlau hnyav xam cov mis
Cov mis: (txheej sab nrauv-phab ntsa tuab) × phab ntsa tuab mm × 0.02466 × ntev m
Piv txwv: Cov yeeb nkab hlau 114mm (sab nrauv) × 4mm (phab ntsa tuab) × 6m (ntev)
Muab xam los: (114-4) × 4 × 0.02466 × 6=65.102kg
Hloov cov lej hnyav hnyav
Cov mis: taub mm × taub mm × 0.00617 × ntev m
Piv txwv: Hloov cov hlau Φ20mm (txoj kab uas hla) × 6m (ntev)
Muab xam: 20 × 20 × 0.00617 × 6=14.808kg
Square hlau hnyav xam cov mis
Cov mis: sab dav (hli) × sab dav (hli) × ntev (m) × 0.00785
Piv txwv: Square steel 50mm (sab dav) × 6m (ntev)
Muab xam los: 50 × 50 × 6 × 0.00785=117.75 (kg)
Tiaj tus hlau hnyav laij lej
Cov mis: sab dav (hli) × tuab (hli) × ntev (m) × 0.00785
Piv txwv: Cov tiaj tiaj 50mm (sab dav) × 5.0mm (tuab) × 6m (ntev)
Muab xam los: 50 × 5 × 6 × 0.00785=11.7.75 (kg)
Hexagonal steel luj xam mis
Cov mis: Txoj kab uas hla ntawm sab nraud × txoj kab uas hla ntawm sab nraud × ntev (m) × 0.00068
Piv txwv: Hexagonal steel 50mm (inch) × 6m (ntev)
Muab xam los: 50 × 50 × 6 × 0.0068=102 (kg)
Rebar hnyav qhov hnyav mis
Cov mis: taub mm × taub mm × 0.00617 × ntev m
Piv txwv: Rebar Φ20mm (inch) × 12m (ntev)
Muab xam: 20 × 20 × 0.00617 × 12=29.616kg
Qhov hnyav xam cov mis ntawm tiaj tus dhau
Cov mis: (sab ntev + sab dav) × 2 × tuab × 0.00785 × ntev m
Piv txwv: Hla hla 100mm × 50mm × 5mm tuab × 6m (ntev)
Muab xam los: (100+50) × 2 × 5 × 0.00785 × 6 = 70.65kg
Fangtong qhov hnyav xam cov mis
Cov mis: sab dav mm × 4 × tuab × 0.00785 × ntev m
Piv txwv: square hla 50mm × 5mm tuab × 6m (ntev)
Muab xam: 50 × 4 × 5 × 0.00785 × 6=47.1kg
Qhov sib npaug ntawm lub kaum sab xis steel luj xam
Cov mis: sab dav mm × tuab × 0.015 × ntev m (suav ntxaws)
Piv txwv: Lub kaum ntse ntse hlau 50mm × 50mm × 5 thickness × 6m (ntev)
Muab xam: 50 × 5 × 0.015 × 6=22.5kg (lub rooj yog 22.62)
Cov mis hnyav xam rau cov hlau tsis sib npaug
Cov mis: (sab dav + sab dav) × tuab × 0.0076 × ntev m (suav ntxaws)
Piv txwv: Lub kaum sab xis steel 100mm × 80mm × 8 thickness × 6m (ntev)
Muab xam: (100-80) × 8 × 0.0076 × 6 = 65.67kg (rooj 65.676)
【Lwm yam hlau tsis yog hlau】
Cov raj tooj dag hnyav hnyav mis
Cov mis: (txheej sab nrauv-phab ntsa tuab) × tuab × 0.0267 × ntev m
Piv txwv: Cov raj tooj dag 20mm × 1.5mm tuab × 6m (ntev)
Muab xam los: (20-1.5) × 1.5 × 0.0267 × 6=4.446kg
Cov mis hnyav xam rau raj tooj liab
Cov mis: (txheej sab nrauv-phab ntsa tuab) × tuab × 0.02796 × ntev m
Piv txwv: Cov raj tooj liab 20mm × 1.5mm tuab × 6m (ntev)
Muab xam los: (20-1.5) × 1.5 × 0.02796 × 6=4.655kg
Aluminium paj phaj qhov hnyav xam cov mis
Cov mis: ntev m × dav m × tuab mm × 2.96
Piv txwv: Aluminium paj phaj 1m dav × 3m ntev × 2.5mm tuab
Muab xam: 1 × 3 × 2.5 × 2.96=22.2kg
Cov phaj tooj dag: kev nqus tshwj xeeb 8.5
Liab tooj liab phaj: tshwj xeeb nqus 8.9
Zinc phaj: kev nqus tshwj xeeb 7.2
Cov phaj txhuas: qhov nqus tshwj xeeb 11.37
Txoj kev suav suav nrog: lub ntiajteb txawj nqus × tuab=hnyav ib lub xwmfab
