O nisi fa'atatau masani mo le fa'atatauina o le mamafa o mea uamea:
Vaega Fa'atonuO le mamafa okaponiuameaPipe (kg) = 0.0246615 x mafiafia puipui x (matamata i fafo - mafiafia puipui) x umi
mamafa u'amea lapotopoto (kg) = 0.00617 x lautele x lautele x umi
mamafa uamea sikuea (kg) = 0.00785 x itu lautele x itu lautele x umi
Hexagonal uamea mamafa (kg) = 0.0068 x faafeagai itu lautele lautele x faafeagai itu lautele lautele x umi
mamafa u'amea fa'afa'afa (kg) = 0.0065 x faafeagai itu lautele lautele x faafeagai itu lautele lautele x umi
O le mamafa o le pa'u (kg) = 0.00617 x fua fa'atatau x fua fa'atatau x umi
mamafa o le koki (kg) = 0.00785 x (lautele itu + lautele lautele - mafiafia itu) x mafiafia itu x umi
Uamea mafolafola mamafa (kg) = 0.00785 x mafiafia x itu lautele x umi
mamafa ipu uamea (kg) = 7.85 x mafiafia x vaega
mamafa pa apamemea lapotopoto (kg) = 0.00698 x lautele x lautele x umi
mamafa pa apamemea lapotopoto (kg) = 0.00668 x lautele x lautele x umi
mamafa pa'u alumini lapotopoto (kg) = 0.0022 x lautele x lautele x umi
mamafa pa apamemea sikuea sikuea (kg) = 0.0089 x itu lautele x itu lautele x umi
mamafa pa apamemea sikuea (kg) = 0.0085 x itu lautele x itu lautele x umi
sikuea alumini pa mamafa (kg) = 0.0028 x itu lautele x itu lautele x umi
Hexagonal viole apamemea mamafa (kg) = 0.0077 x faafeagai itu lautele x faafeagai itu lautele lautele x umi
O le mamafa o pa apamemea hexagonal (kg) = 0.00736 x itu lautele x faafeagai itu lautele x umi
Hexagonal pa alumini mamafa (kg) = 0.00242 x faafeagai itu lautele x faafeagai itu lautele lautele x umi
mamafa ipu apamemea (kg) = 0.0089 x mafiafia x lautele x umi
O le mamafa o le ipu apamemea (kg) = 0.0085 x mafiafia x lautele x umi
Aluminium ipu mamafa (kg) = 0.00171 x mafiafia x lautele x umi
O le mamafa ole paipa apamemea lapotopoto lanu viole (kg) = 0.028 x mafiafia puipui x (le lautele i fafo - mafiafia puipui) x umi
mamafa o paipa apamemea lapotopoto (kg) = 0.0267 x mafiafia puipui x (diamita i fafo - mafiafia puipui) x umi
mamafa o paipa alumini lapotopoto (kg) = 0.00879 x mafiafia puipui x (OD - mafiafia puipui) x umi
Fa'aaliga:O le iunite o le umi i le fua fa'atatau o le mita, o le iunite o le eria o le sikuea mita, ma le vaega o totoe o le millimita.O le mamafa o lo'o i luga x tau iunite o meafaitino o le tau o meafaitino, fa'aopoopo i luga o togafitiga + tagata-itula tau o fa'agasologa ta'itasi + mea fa'apipi'i + totogi o felauaiga + lafoga + tului = fa'atauga (FOB).
Lave fa'apitoa o mea e masani ona fa'aaogaina
Uamea = 7.85 Aluminium = 2.7 Kopa = 8.95 Uamea uamea = 7.93
u'amea uamea mamafa fua fa'atatau faigofie
Uamea uamea mafolafola mamafa i sikuea mita (kg) fua: 7.93 x mafiafia (mm) x lautele (mm) x umi (m)
304, 321Uamea uamea PipeVaega Fa'atonumamafa ile mita (kg) fua fa'atatau: 0.02491 x mafiafia puipui (mm) x (le lautele i fafo - mafiafia puipui) (mm)
316L, 310SUamea uamea PipeVaega Fa'atonumamafa ile mita (kg) fua fa'atatau: 0.02495 x mafiafia puipui (mm) x (le lautele i fafo - mafiafia puipui) (mm)
u'amea lapotopoto lapotopoto mamafa i mita (kg) fua fa'atatau: lautele (mm) x lautele (mm) x (nikeli uamea: 0.00623; chromium uamea: 0.00609)
Fuafuaga o le mamafa o le sila
Ole fua fa'atatau ole mamafa ole uamea e fua ile kilokalama (kg).O lona fua fa'atatau o le:
W (mamafa, kilokalama) = F (vaega fa'asaga fa'asaga mm²) x L (umi m) x ρ (mōtele g/cm³) x 1/1000
Eseese sila theoretical fua fua mamafa e faapea:
Uamea lapotopoto,Uili (kg/m)
W=0.006165 xd xd
d = lautele mm
Diamita 100mm u'amea lapotopoto, saili le mamafa i le mita.Mamafa ile mita = 0.006165 x 100² = 61.65kg
Pa'u (kg/m)
W=0.00617 xd xd
d = vaega lautele mm
Su'e le mamafa i le mita o se pa'u e 12mm le lautele o vaega.Mamafa ile m = 0.00617 x 12² = 0.89kg
Uamea sikuea (kg/m)
W=0.00785 xa xa
a = itu lautele mm
Su'e le mamafa ile mita ole u'amea faatafafa e 20mm le lautele ole itu.Mamafa ile mita = 0.00785 x 20² = 3.14kg
Sila mafolafola (kg/m)
W=0.00785×b×d
b = itu lautele mm
d= mafiafia mm
Mo se uamea mafolafola e 40mm le lautele o le itu ma le mafiafia o le 5mm, saili le mamafa i le mita.Mamafa ile m = 0.00785 × 40 × 5 = 1.57kg
Uamea Hexagonal (kg/m)
W=0.006798×s×s
s=mamao mai le isi itu mm
Su'e le mamafa ile mita ole u'amea hexagonal ma le mamao e 50mm mai le isi itu.Mamafa ile m = 0.006798 × 502 = 17kg
u'amea fa'aitu (kg/m)
W=0.0065×s×s
s=mamao ile itu mm
Su'e le mamafa ile mita ole u'amea fa'afa'afa ma le mamao e 80mm mai le isi itu.Mamafa ile m = 0.0065 × 802 = 41.62kg
silasi tulimanu tutusa (kg/m)
W = 0.00785 × [d (2b-d ) + 0.215 (R²-2r² )]
b = lautele o itu
d = mafiafia pito
R = i totonu o le arc radius
r = 'eletise o le fa'ai'uga
Su'e le mamafa ile mita ole 20 mm x 4 mm angle tutusa.Mai le Metallurgical Catalog, o le R o le 4mm x 20mm tutusa pito pito e 3.5 ma le r o le 1.2, ona mamafa lea ile m = 0.00785 x [4 x (2 x 20-4) + 0.215 x (3.52 - 2 x). 1.2² )] = 1.15kg
E le tutusa le tulimanu (kg/m)
W=0.00785×[d(B+bd ) +0.215(R²-2r²)]
B = lautele itu umi
b=puupuu itu lautele lautele
d=Mafiafia itu
R=tusa'o arc i totonu
r = fa'ai'uga arc radius
Su'e le mamafa ile mita ole 30 mm × 20 mm × 4 mm le fa'atauta'i tulimanu.Mai le fa'asologa o metallurgical e su'e ai le 30 × 20 × 4 tulimanu le tutusa o le R o le 3.5, r o le 1.2, ona mamafa lea ile m = 0.00785 × [4 × (30 + 20 - 4 ) + 0.215 × (3.52 - 2 × 1.2 2). )] = 1.46kg
Ala uamea (kg/m)
W = 0.00785 × [hd + 2t (bd) + 0.349 (R²-r² )]
h=maualuga
b=umi vae
d= mafiafia sulugatiti
t= averesi vae mafiafia
R=tusa'o arc i totonu
r = 'eletise o le fa'ai'uga
Su'e le mamafa i le mita o le ala uamea o le 80 mm × 43 mm × 5 mm.Mai se lisi fa'ameamea o lo'o i ai le alavai i le 8, o le R o le 8 ma le r o le 4. O le mamafa i le m = 0.00785 × [80 × 5 + 2 × 8 × (43 - 5) + 0.349 × (82 - 4²)] = 8.04kg
I-beam (kg/m)
W=0.00785×[hd+2t(bd)+0.615(R²-r²)
h=maualuga
b=umi vae
d= mafiafia sulugatiti
t= averesi vae mafiafia
r=tusao o totonu
r = fa'ai'uga arc radius
Su'e le mamafa ile mita ole I-beam ole 250 mm × 118 mm × 10 mm.Mai le tusitaulima mea u'amea o lo'o iai le I-beam i le 13, o le R o le 10 ma le r o le 5. O le mamafa i le m = 0.00785 x [250 x 10 + 2 x 13 x (118 - 10) + 0.615 x (10² -). 5² )] = 42.03kg
Papa uamea (kg/m²)
W=7.85×d
d= mafiafia
Su'e le mamafa ile m² ole ipu uamea ole mafiafia 4mm.Mamafa ile m² = 7.85 x 4 = 31.4kg
Paipa u'amea (e aofia ai paipa u'amea lamolemole ma uelo) (kg/m)
W=0.0246615×S (DS)
D=le lautele i fafo
S = mafiafia puipui
Su'e le mamafa i le mita o se paipa u'amea lamolemole e 60mm le lautele i fafo ma le mafiafia o le puipui e 4mm.Mamafa ile m = 0.0246615 × 4 × (60-4) = 5.52kg
Taimi meli: Oke-08-2023