Ētahi tātai noa mō te tātai i te taumaha o ngā rawa whakarewa:
Waehanga KaupapaTaumaha owaromaitaiPipe (kg) = 0.0246615 x te matotoru pakitara x (te whanui o waho - te matotoru o te pakitara) x te roa
Te taumaha maitai porotaka (kg) = 0.00617 x diameter x diameter x roa
Te taimaha maitai tapawha (kg) = 0.00785 x taha whanui x taha whanui x roa
Te taumaha maitai hexagonal (kg) = 0.0068 x te taha taha whanui x te taha taha whanui x te roa
Te taumaha maitai tapatoru (kg) = 0.0065 x te taha taha whanui x te taha taha whanui x te roa
Te taumaha rebar (kg) = 0.00617 x diameter tatau x diameter tatau x roa
Te taumaha koki (kg) = 0.00785 x (te whanui taha + te whanui taha - te matotoru taha) x te matotoru o te taha x te roa
Te taumaha maitai papatahi (kg) = 0.00785 x te matotoru x te whanui taha x te roa
Te taumaha pereti maitai (kg) = 7.85 x te matotoru x te horahanga
Te taumaha o te pae parahi porohita (kg) = 0.00698 x diameter x diameter x roa
Te taumaha o te pae parahi porohita (kg) = 0.00668 x diameter x diameter x roa
Te taumaha o te pae konumohe porohita (kg) = 0.0022 x diameter x diameter x roa
Te taumaha pae parahi tapawha (kg) = 0.0089 x taha whanui x taha whanui x roa
Te taumaha pae parahi tapawha (kg) = 0.0085 x taha whanui x taha whanui x roa
Te taumaha pae konumohe tapawha (kg) = 0.0028 x taha whanui x taha whanui x roa
Hexagonal papura parahi te taumaha (kg) = 0.0077 x te taha taha whanui x te taha taha whanui x te roa
Te taumaha pae parahi hexagonal (kg) = 0.00736 x taha whanui x taha taha whanui x roa
Te taumaha pae konumohe hexagonal (kg) = 0.00242 x te taha taha whanui x te taha taha whanui x te roa
Te taumaha pereti parahi (kg) = 0.0089 x te matotoru x te whanui x te roa
Te taumaha pereti parahi (kg) = 0.0085 x te matotoru x te whanui x te roa
Te taumaha pereti konumohe (kg) = 0.00171 x te matotoru x te whanui x te roa
Te taumaha o te ngongo parahi papura porowhita (kg) = 0.028 x te matotoru pakitara x (te whanui o waho - te matotoru o te pakitara) x te roa
Te taumaha ngongo parahi porowhita (kg) = 0.0267 x te matotoru pakitara x (te diameter o waho - te matotoru o te pakitara) x te roa
Te taumaha o te ngongo konumohe porohita (kg) = 0.00879 x te matotoru pakitara x (OD - te matotoru o te pakitara) x te roa
Tuhipoka:Ko te waeine roa o te tātai he mita, ko te waeine o te horahanga he mita tapawha, ko te toenga o nga wae he mitamano.Ko te taumaha o runga x utu wae o nga rawa ko te utu rawa, me te maimoatanga mata + te utu mo te haora-tangata mo ia tukanga + nga taputapu kapi + utu kaipuke + taake + reeti huamoni = utu (FOB).
Te taumahatanga o nga rawa e whakamahia nuitia ana
Rino = 7.85 Konumohe = 2.7 Parahi = 8.95 Kowiri tira = 7.93
Kowiri tira taimaha tātai tātai māmā
Kowiri tira taimaha papatahi mo ia mita tapawha (kg) tātai: 7.93 x matotoru (mm) x whanui (mm) x roa (m)
304, 321Kowiri tira PipeWaehanga Kaupapate taumaha mo ia mita (kg) tātai: 0.02491 x te matotoru pakitara (mm) x (te whanui o waho - te matotoru o te pakitara) (mm)
316L, 310SKowiri tira PipeWaehanga Kaupapate taumaha mo ia mita (kg) tātai: 0.02495 x te matotoru pakitara (mm) x (te whanui o waho - te matotoru o te pakitara) (mm)
Kowiri tira te taimaha maitai porotaka mo ia mita (kg) tātai: diameter (mm) x diameter (mm) x (nickel stainless: 0.00623; chromium stainless: 0.00609)
Te tātai taumaha o te maitai
Ka inehia te tatauranga taumaha o te maitai ki te kirokaramu (kg).Ko tana tikanga taketake ko:
W (taimaha, kg) = F (rohe whitinga mm²) x L (roa m) x ρ (kiato g/cm³) x 1/1000
Ko nga momo tauira taumaha o te rino e whai ake nei:
Te maitai porotaka,Porowhita (kg/m)
W=0.006165 xd xd
d = diameter mm
Te diameter 100mm te maitai porotaka, kimihia te taumaha mo ia m.Taumaha ia m = 0.006165 x 100² = 61.65kg
Rebar (kg/m)
W=0.00617 xd xd
d = waahanga diameter mm
Kimihia te taumaha mo ia m o te rebar 12mm te diameter o te waahanga.Taumaha ia m = 0.00617 x 12² = 0.89kg
Te maitai tapawha (kg/m)
W=0.00785 xa xa
a = taha whanui mm
Kimihia te taumaha mo ia m o te maitai tapawha me te 20mm te whanui taha.Taumaha ia m = 0.00785 x 20² = 3.14kg
maitai papatahi (kg/m)
W=0.00785×b×d
b = te whanui taha mm
d=te matotoru mm
Mo te maitai papatahi e 40mm te whanui taha me te 5mm te matotoru, kimihia te taumaha mo ia mita.Taumaha ia m = 0.00785 × 40 × 5 = 1.57kg
Hexagonal maitai (kg/m)
W=0.006798×s×s
s=tawhiti mai i tera taha mm
Kimihia te taumaha mo ia m o te maitai hexagonal me te 50mm te tawhiti mai i tera taha.Taumaha mo ia m = 0.006798 × 502 = 17kg
maitai tapawhā (kg/m)
W=0.0065×s×s
s=tawhiti ki te taha mm
Kimihia te taumaha mo ia m o te maitai tapawaru me te 80mm te tawhiti mai i tera taha.Taumaha ia m = 0.0065 × 802 = 41.62kg
maitai koki riterite (kg/m)
W = 0.00785 × [d (2b-d ) + 0.215 (R²-2r² )]
b = te whanui taha
d = mata matotoru
R = pūtoro pewa o roto
r = pūtoro o te pewa mutunga
Kimihia te taumaha mo ia m o te 20 mm x 4 mm te koki riterite.Mai i te Metallurgical Catalog, ko te R o te 4mm x 20mm koki mata-rite he 3.5 me te r he 1.2, katahi te taumaha mo ia m = 0.00785 x [4 x (2 x 20-4) + 0.215 x (3.52 - 2 x 1.2² )] = 1.15kg
Koki taurite (kg/m)
W=0.00785×[d(B+bd ) +0.215(R²-2r²)]
B=te whanui taha roa
b=te whanui taha poto
d=Te matotoru o te taha
R = pūtoro pewa o roto
r=mutunga arc radius
Kimihia te taumaha mo ia m o te 30 mm × 20 mm × 4 mm koki taurite.Mai i te pukapuka whakarewa hei kimi i te 30 × 20 × 4 koki taurite o R he 3.5, he 1.2 te r, katahi te taumaha mo ia m = 0.00785 × [4 × (30 + 20 - 4 ) + 0.215 × (3.52 - 2 × 1.2 2 )] = 1.46kg
Hoera maitai (kg/m)
W = 0.00785 × [hd + 2t (bd) + 0.349 (R²-r² )]
h= teitei
b=roa waewae
d=te matotoru o te hope
t=te matotoru o te waewae toharite
R = pūtoro pewa o roto
r = pūtoro o te pewa mutunga
Kimihia te taumaha mo ia m o te hongere rino 80 mm × 43 mm × 5 mm.Mai i te putumōhio whakarewa he 8 te hongere, he R o 8 me te r o te 4. Taumaha ia m = 0.00785 × [80 × 5 + 2 × 8 × (43 - 5) + 0.349 × (82 - 4²)] = 8.04kg
I-kurupae (kg/m)
W=0.00785×[hd+2t(bd)+0.615(R²-r²)
h= teitei
b=roa waewae
d=te matotoru o te hope
t=te matotoru o te waewae toharite
r = pūtoro pewa o roto
r=mutunga arc radius
Kimihia te taumaha mo ia m o te kurupae-I 250 mm × 118 mm × 10 mm.Mai i te pukamahi rauemi whakarewa he 13 te kurupae-I, he R o 10 me te r o te 5. Taumaha ia m = 0.00785 x [250 x 10 + 2 x 13 x (118 - 10) + 0.615 x (10² - 5² )] = 42.03kg
Pereti maitai (kg/m²)
W=7.85×d
d=te matotoru
Kimihia te taumaha mo ia m² o te pereti rino 4mm te matotoru.Taumaha ia m² = 7.85 x 4 = 31.4kg
Pupa maitai (tae atu ki te paipa maitai me te paipa maitai) (kg/m)
W=0.0246615×S (DS)
D= waho diameter
S = matotoru pakitara
Kimihia te taumaha mo ia m o te paipa rino tuitui 60mm te diameter o waho me te 4mm te matotoru o te pakitara.Taumaha mo ia m = 0.0246615 × 4 × (60-4) = 5.52kg
Te wa tuku: Oketopa-08-2023