Amanye amafomula avamile okubala isisindo sezinto zensimbi:
Iyunithi YethiyoriIsisindo seIkhabhoniinsimbiPipe (kg) = 0.0246615 x ubukhulu bodonga x (ububanzi bangaphandle - ubukhulu bodonga) x ubude
Isisindo sensimbi eyindilinga (kg) = 0.00617 x ububanzi x ububanzi x ubude
Isisindo sensimbi esiyisikwele (kg) = 0.00785 x ububanzi becala x ububanzi becala x ubude
Isisindo sensimbi esinama-hexagonal (kg) = 0.0068 x ububanzi becala eliphambene x ububanzi becala eliphambene x ubude
Isisindo sensimbi e-octagonal (kg) = 0.0065 x ububanzi becala eliphambene x ububanzi becala eliphambene x ubude
Isisindo se-rebar (kg) = 0.00617 x ububanzi obubaliwe x ububanzi obubaliwe x ubude
Isisindo se-engela (kg) = 0.00785 x (ububanzi becala + ububanzi becala - ubukhulu becala) x ubukhulu becala x ubude
Isisindo sensimbi esiyisicaba (kg) = 0.00785 x ubukhulu x ububanzi becala x ubude
Isisindo sepuleti lensimbi (kg) = 7.85 x ubukhulu x indawo
Isisindo sebha yethusi eliyindilinga (kg) = 0.00698 x ububanzi x ububanzi x ubude
Isisindo sebha yethusi eliyindilinga (kg) = 0.00668 x ububanzi x ububanzi x ubude
Isisindo sebha ye-aluminiyamu eyindilinga (kg) = 0.0022 x ububanzi x ububanzi x ubude
Isisindo sebha yethusi eliyisikwele (kg) = 0.0089 x ububanzi becala x ububanzi becala x ubude
Isisindo sebha yethusi eliyisikwele (kg) = 0.0085 x ububanzi becala x ububanzi becala x ubude
Isisindo sebha ye-aluminiyamu eyisikwele (kg) = 0.0028 x ububanzi becala x ububanzi becala x ubude
Isisindo sebha yethusi elinsomi elinezinhlangothi eziyisithupha (kg) = 0.0077 x ububanzi becala eliphambene x ububanzi becala eliphambene x ubude
Isisindo sebha yethusi eliyi-hexagonal (kg) = 0.00736 x ububanzi becala x ububanzi becala eliphambene x ubude
Isisindo sebha ye-aluminiyamu enezinhlangothi eziyisithupha (kg) = 0.00242 x ububanzi becala eliphambene x ububanzi becala eliphambene x ubude
Isisindo sepuleti lethusi (kg) = 0.0089 x ubukhulu x ububanzi x ubude
Isisindo sepuleti lethusi (kg) = 0.0085 x ubukhulu x ububanzi x ubude
Isisindo sepuleti le-aluminiyamu (kg) = 0.00171 x ubukhulu x ububanzi x ubude
Isisindo seshubhu lethusi elinsomi eliyindilinga (kg) = 0.028 x ubukhulu bodonga x (ububanzi bangaphandle - ubukhulu bodonga) x ubude
Isisindo seshubhu yethusi eliyindilinga (kg) = 0.0267 x ubukhulu bodonga x (ububanzi bangaphandle - ubukhulu bodonga) x ubude
Isisindo seshubhu le-aluminiyamu eliyindilinga (kg) = 0.00879 x ubukhulu bodonga x (OD - ubukhulu bodonga) x ubude
Qaphela:Iyunithi yobude kule fomula iyimitha, iyunithi yendawo iyimitha yesikwele, kanti amanye amayunithi angamamilimitha. Isisindo esingenhla x intengo yeyunithi yezinto zokwakha yizindleko zezinto zokwakha, kanye nokwelashwa kwendawo + izindleko zehora lomuntu zenqubo ngayinye + izinto zokupakisha + imali yokuthumela + intela + izinga lenzalo = ikhotheshini (FOB).
Ubukhulu obuqondile bezinto ezisetshenziswa kakhulu
Insimbi = 7.85 I-Aluminiyamu = 2.7 Ithusi = 8.95 Insimbi Engagqwali = 7.93
Isisindo sensimbi engagqwali ifomula yokubala elula
Ifomula yensimbi engagqwali enesisindo esiyisicaba ngemitha yesikwele (kg): 7.93 x ubukhulu (mm) x ububanzi (mm) x ubude (m)
304, 321Insimbi Engagqwali PipeIyunithi Yethiyoriisisindo ngemitha (kg) ifomula: 0.02491 x ubukhulu bodonga (mm) x (ububanzi bangaphandle - ubukhulu bodonga) (mm)
316L, 310SInsimbi Engagqwali PipeIyunithi Yethiyoriisisindo ngemitha (kg) ifomula: 0.02495 x ubukhulu bodonga (mm) x (ububanzi bangaphandle - ubukhulu bodonga) (mm)
Isisindo sensimbi engagqwali esiyindilinga ngemitha (kg) ifomula: ububanzi (mm) x ububanzi (mm) x (i-nickel engagqwali: 0.00623; i-chromium engagqwali: 0.00609)
Ukubalwa kwesisindo sensimbi ngokwemfundiso
Ukubalwa kwesisindo sensimbi ngokwethiyori kulinganiswa ngamakhilogremu (kg). Ifomula yayo eyisisekelo ithi:
W (isisindo, kg) = F (indawo enqamulayo mm²) x L (ubude m) x ρ (ubuningi g/cm³) x 1/1000
Ifomula yesisindo sensimbi ehlukahlukene yethiyori ilandelayo:
Insimbi eyindilinga,Ikhoyili (kg/m)
W=0.006165 xd xd
d = ububanzi mm
Ububanzi bensimbi eyindilinga engu-100mm, thola isisindo nge-m. Isisindo nge-m = 0.006165 x 100² = 61.65kg
Ibha yokulungisa (kg/m)
W=0.00617 xd xd
d = ububanzi besigaba mm
Thola isisindo ngemitha ngayinye ye-rebar enobubanzi besigaba esingu-12mm. Isisindo ngemitha ngayinye = 0.00617 x 12² = 0.89kg
Insimbi eyisikwele (kg/m)
W=0.00785 xa xa
a = ububanzi becala mm
Thola isisindo nge-m ngayinye yensimbi eyisikwele enobubanzi obuseceleni obungu-20mm. Isisindo nge-m = 0.00785 x 20² = 3.14kg
Insimbi eyisicaba (kg/m)
W=0.00785×b×d
b = ububanzi becala mm
d=ukujiya mm
Ngensimbi eyisicaba enobubanzi obuseceleni obungu-40mm kanye nobukhulu obungu-5mm, thola isisindo ngemitha. Isisindo ngemitha = 0.00785 × 40 × 5 = 1.57kg
Insimbi enezinhlangothi eziyisithupha (kg/m)
W=0.006798×s×s
s=ibanga ukusuka ohlangothini oluphambene mm
Thola isisindo nge-m ngayinye yensimbi enezinhlangothi eziyisithupha enebanga elingama-50mm ukusuka kolunye uhlangothi. Isisindo nge-m = 0.006798 × 502 = 17kg
Insimbi e-octagonal (kg/m)
W=0.0065×s×s
s=ibanga eliya ohlangothini mm
Thola isisindo nge-m ngayinye yensimbi engunxantathu enebanga elingama-80mm ukusuka kolunye uhlangothi. Isisindo nge-m = 0.0065 × 802 = 41.62kg
Insimbi ye-engeli elinganayo (kg/m)
W = 0.00785 × [d (2b-d ) + 0.215 (R²-2r² )]
b = ububanzi becala
d = ukujiya komphetho
R = irediyasi ye-arc yangaphakathi
r = irediyasi ye-arc yokugcina
Thola isisindo nge-m ngayinye ye-engeli elinganayo engu-20 mm x 4 mm. Kusukela ku-Metallurgical Catalog, i-R ye-engeli elinganayo engu-4mm x 20mm ingu-3.5 kanti i-r ingu-1.2, bese isisindo nge-m = 0.00785 x [4 x (2 x 20-4) + 0.215 x (3.52 - 2 x 1.2² )] = 1.15kg
I-engeli engalingani (kg/m)
W=0.00785×[d(B+bd ) +0.215(R²-2r²)]
B = ububanzi obude becala
b=ububanzi obufushane becala
d=Ubukhulu becala
R=i-radius ye-arc yangaphakathi
r=irediyasi ye-arc yokuphela
Thola isisindo nge-m eyodwa ye-30 mm × 20 mm × 4 mm engela engalingani. Kusukela kukhathalogi yensimbi ukuthola ama-engeli angalingani angu-30 × 20 × 4 ka-R angu-3.5, u-r ungu-1.2, bese isisindo nge-m = 0.00785 × [4 × (30 + 20 - 4) + 0.215 × (3.52 - 2 × 1.2 2)] = 1.46kg
Insimbi yesiteshi (kg/m)
W = 0.00785 × [hd + 2t (bd) + 0.349 (R²-r² )]
h=ubude
b=ubude bomlenze
d=ubukhulu besinqe
t = ubukhulu obumaphakathi bomlenze
R=i-radius ye-arc yangaphakathi
r = irediyasi ye-arc yokugcina
Thola isisindo nge-m ngayinye yensimbi yesiteshi engu-80 mm × 43 mm × 5 mm. Kusukela kukhathalogi yensimbi, isiteshi sina-8, u-R ongu-8 kanye no-r ongu-4. Isisindo nge-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=ubude
b=ubude bomlenze
d=ubukhulu besinqe
t = ubukhulu obumaphakathi bomlenze
r=irediyasi ye-arc yangaphakathi
r=irediyasi ye-arc yokuphela
Thola isisindo ngo-m we-I-beam engu-250 mm × 118 mm × 10 mm. Kusukela encwadini yesandla yezinto zensimbi, i-I-beam ina-13, u-R ongu-10 kanye no-r ongu-5. Isisindo ngo-m = 0.00785 x [250 x 10 + 2 x 13 x (118 - 10) + 0.615 x (10² - 5²)] = 42.03kg
Ipuleti lensimbi (kg/m²)
W=7.85×usuku
d=ukujiya
Thola isisindo nge-m² yepuleti lensimbi elinobukhulu obungu-4mm. Isisindo nge-m² = 7.85 x 4 = 31.4kg
Ipayipi lensimbi (kufaka phakathi ipayipi lensimbi elingenamthungo nelihlanganisiwe) (kg/m)
W=0.0246615×S (DS)
D = ububanzi obungaphandle
S = ukujiya kodonga
Thola isisindo ngemitha ngayinye yepayipi lensimbi elingenamthungo elinobubanzi bangaphandle obungu-60mm kanye nobukhulu bodonga obungu-4mm. Isisindo ngemitha ngayinye = 0.0246615 × 4 × (60-4) = 5.52kg
Isikhathi sokuthunyelwe: Okthoba-08-2023