Ezinye iifomyula eziqhelekileyo zokubala ubunzima bezinto zesinyithi:
Iyunithi yethiyoriUbunzima beIkhabhoniintsimbiPipe (kg) = 0.0246615 x ubukhulu bodonga x (ububanzi bangaphandle - ubukhulu bodonga) x ubude
Ubunzima bentsimbi engqukuva (kg) = 0.00617 x ububanzi x ububanzi x ubude
Ubunzima bentsimbi yesikwere (kg) = 0.00785 x ububanzi becala x ububanzi becala x ubude
Ubunzima bentsimbi enesiqingatha (kg) = 0.0068 x ububanzi becala elichaseneyo x ububanzi becala elichaseneyo x ubude
Ubunzima bentsimbi e-octagonal (kg) = 0.0065 x ububanzi becala elichaseneyo x ububanzi becala elichaseneyo x ubude
Ubunzima be-rebar (kg) = 0.00617 x ububanzi obubaliweyo x ububanzi obubaliweyo x ubude
Ubunzima be-engile (kg) = 0.00785 x (ububanzi becala + ububanzi becala - ubukhulu becala) x ubukhulu becala x ubude
Ubunzima bentsimbi ethe tyaba (kg) = 0.00785 x ubukhulu x ububanzi becala x ubude
Ubunzima bepleyiti yentsimbi (kg) = 7.85 x ubukhulu x indawo
Ubunzima bebha yobhedu engqukuva (kg) = 0.00698 x ububanzi x ububanzi x ubude
Ubunzima bebha yobhedu engqukuva (kg) = 0.00668 x ububanzi x ububanzi x ubude
Ubunzima bebha ye-aluminiyam ejikelezayo (kg) = 0.0022 x ububanzi x ububanzi x ubude
Ubunzima bebha yobhedu yesikwere (kg) = 0.0089 x ububanzi becala x ububanzi becala x ubude
Ubunzima bebha yobhedu yesikwere (kg) = 0.0085 x ububanzi becala x ububanzi becala x ubude
Ubunzima bebha ye-aluminiyam yesikwere (kg) = 0.0028 x ububanzi becala x ububanzi becala x ubude
Ubunzima bebha yobhedu olumfusa olunesiqingatha (kg) = 0.0077 x ububanzi becala elichaseneyo x ububanzi becala elichaseneyo x ubude
Ubunzima bebha yobhedu enesiqingatha (kg) = 0.00736 x ububanzi becala x ububanzi becala elichaseneyo x ubude
Ubunzima bebha ye-aluminiyam enesiqingatha (kg) = 0.00242 x ububanzi becala elichaseneyo x ububanzi becala elichaseneyo x ubude
Ubunzima bepleyiti yobhedu (kg) = 0.0089 x ubukhulu x ububanzi x ubude
Ubunzima bepleyiti yebrass (kg) = 0.0085 x ubukhulu x ububanzi x ubude
Ubunzima bepleyiti ye-aluminiyam (kg) = 0.00171 x ubukhulu x ububanzi x ubude
Ubunzima betyhubhu yobhedu olumfusa olungqukuva (kg) = 0.028 x ubukhulu bodonga x (ububanzi bangaphandle - ubukhulu bodonga) x ubude
Ubunzima betyhubhu yobhedu olujikelezayo (kg) = 0.0267 x ubukhulu bodonga x (ububanzi bangaphandle - ubukhulu bodonga) x ubude
Ubunzima betyhubhu ye-aluminiyam ejikelezayo (kg) = 0.00879 x ubukhulu bodonga x (OD - ubukhulu bodonga) x ubude
Phawula:Iyunithi yobude kwifomula yimitha, iyunithi yendawo yimitha yesikwere, kwaye ezinye iiyunithi ziimilimitha. Ubunzima obungentla x ixabiso leyunithi yezinto eziphathekayo lixabiso lezinto, kunye nonyango lomphezulu + iindleko zomsebenzi weyure nganye + izinto zokupakisha + umrhumo wokuthumela + irhafu + izinga lenzala = ikowuteshini (FOB).
Ubunzima obuthile bezinto ezisetyenziswa rhoqo
Intsimbi = 7.85 I-aluminiyamu = 2.7 Ubhedu = 8.95 Intsimbi engatyiwayo = 7.93
Ubunzima bentsimbi engenasici ifomula yokubala elula
Ubunzima obuthe tyaba bentsimbi engatyiwayo ngemitha yesikwere (kg): 7.93 x ubukhulu (mm) x ububanzi (mm) x ubude (m)
304, 321Intsimbi Engagqwaliyo PipeIyunithi yethiyoriubunzima ngemitha (kg) ifomula: 0.02491 x ubukhulu bodonga (mm) x (ububanzi bangaphandle - ubukhulu bodonga) (mm)
316L, 310SIntsimbi Engagqwaliyo PipeIyunithi yethiyoriubunzima ngemitha (kg) ifomula: 0.02495 x ubukhulu bodonga (mm) x (ububanzi bangaphandle - ubukhulu bodonga) (mm)
Ubunzima bentsimbi engqukuva engenasici ngemitha nganye (kg) ifomula: ububanzi (mm) x ububanzi (mm) x (i-nickel engenasici: 0.00623; i-chromium engenasici: 0.00609)
Ukubalwa kobunzima bethiyori yentsimbi
Ubalo lobunzima besinyithi olusekelwe kwithiyori lulinganiswa ngeekhilogram (kg). Ifomyula yalo esisiseko yile:
W (ubunzima, kg) = F (indawo enqamlezileyo mm²) x L (ubude m) x ρ (uxinano g/cm³) x 1/1000
Ifomula yobunzima bethiyori yentsimbi eyahlukeneyo yile ilandelayo:
Intsimbi ejikelezileyo,Ikhoyili (kg/m)
W=0.006165 xd xd
d = ububanzi mm
Ububanzi bentsimbi engqukuva eyi-100mm, fumana ubunzima nge-m nganye. Ubunzima nge-m = 0.006165 x 100² = 61.65kg
I-Rebar (kg/m)
W=0.00617 xd xd
d = ububanzi becandelo mm
Fumana ubunzima nge-m nganye ye-rebar enobubanzi becandelo le-12mm. Ubunzima nge-m = 0.00617 x 12² = 0.89kg
Intsimbi yesikwere (kg/m2)
W=0.00785 xa xa
a = ububanzi becala mm
Fumana ubunzima nge-m nganye yentsimbi yesikwere enobubanzi obusecaleni obuyi-20mm. Ubunzima nge-m = 0.00785 x 20² = 3.14kg
Intsimbi ethe tyaba (kg/m)
W=0.00785×b×d
b = ububanzi becala mm
d=ubungqindilili mm
Kwintsimbi ethe tyaba enobubanzi obusecaleni obuyi-40mm kunye nobukhulu obuyi-5mm, fumana ubunzima ngemitha nganye. Ubunzima nge-m = 0.00785 × 40 × 5 = 1.57kg
Intsimbi enesiqingatha (kg/m)
W=0.006798×s×s
s=umgama ukusuka kwelinye icala mm
Fumana ubunzima nge-m nganye yentsimbi enesiqingatha enomgama we-50mm ukusuka kwelinye icala. Ubunzima nge-m = 0.006798 × 502 = 17kg
Intsimbi e-octagonal (kg/m)
W=0.0065×s×s
s=umgama oya ecaleni mm
Fumana ubunzima nge-m nganye yentsimbi enamacala asibhozo enomgama we-80mm ukusuka kwelinye icala. Ubunzima nge-m = 0.0065 × 802 = 41.62kg
Intsimbi ye-engile elinganayo (kg/m)
W = 0.00785 × [d (2b-d) + 0.215 (R²-2r²)]
b = ububanzi becala
d = ubukhulu bomphetho
R = irediyasi ye-arc yangaphakathi
r = irediyasi ye-arc yokugqibela
Fumana ubunzima nge-m nganye ye-engile ye-20 mm x 4 mm elinganayo. Kwi-Metallurgical Catalog, i-R ye-engile ye-engile ye-4mm x 20mm elinganayo yi-3.5 kwaye i-r yi-1.2, emva koko ubunzima nge-m = 0.00785 x [4 x (2 x 20-4) + 0.215 x (3.52 - 2 x 1.2² )] = 1.15kg
I-engile engalinganiyo (kg/m)
W=0.00785×[d(B+bd ) +0.215(R²-2r²)]
B = ububanzi becala elide
b=ububanzi obufutshane becala
d=Ubukhulu becala
R=i-radius ye-arc yangaphakathi
r=i-radius ye-arc yokuphela
Fumana ubunzima nge-m nganye ye-30 mm × 20 mm × 4 mm i-engile engalinganiyo. Ukusuka kwikhathalogu ye-metallurgical ukufumana ii-engile ezingalinganiyo ze-30 × 20 × 4 ze-R yi-3.5, u-r ngu-1.2, emva koko ubunzima nge-m = 0.00785 × [4 × (30 + 20 - 4) + 0.215 × (3.52 - 2 × 1.2 2 )] = 1.46kg
Intsimbi yetshaneli (kg/m)
W = 0.00785 × [hd + 2t (bd) + 0.349 (R²-r² )]
h=ubude
b=ubude bomlenze
d=ubungqingqwa besinqe
t = ubukhulu obuphakathi bomlenze
R=i-radius ye-arc yangaphakathi
r = irediyasi ye-arc yokugqibela
Fumana ubunzima nge-m nganye yentsimbi yetshaneli ye-80 mm × 43 mm × 5 mm. Kwikhathalogu ye-metallurgical, itshaneli ine-8, i-R ye-8 kunye ne-r ye-4. Ubunzima nge-m = 0.00785 × [80 × 5 + 2 × 8 × (43 - 5) + 0.349 × (82 - 4²)] = 8.04kg
Umqadi we-I (kg/m)
W=0.00785×[hd+2t(bd)+0.615(R²-r²)
h=ubude
b=ubude bomlenze
d=ubungqingqwa besinqe
t = ubukhulu obuphakathi bomlenze
r=i-radius ye-arc yangaphakathi
r=i-radius ye-arc yokuphela
Fumana ubunzima nge-m nganye ye-I-beam ye-250 mm × 118 mm × 10 mm. Kwincwadi yesandla yezinto zesinyithi, i-I-beam ine-13, i-R ye-10 kunye ne-r ye-5. Ubunzima nge-m = 0.00785 x [250 x 10 + 2 x 13 x (118 - 10) + 0.615 x (10² - 5²)] = 42.03kg
Ipleyiti yentsimbi (kg/m²)
W=7.85×d
d=ubungqindilili
Fumana ubunzima nge-m² nganye yepleyiti yentsimbi enobukhulu obuyi-4mm. Ubunzima nge-m² nganye = 7.85 x 4 = 31.4kg
Umbhobho wentsimbi (kuquka umbhobho wentsimbi ongenamthungo nowenziwe ngentsimbi edibeneyo) (kg/m)
W=0.0246615×S (DS)
D = ububanzi obungaphandle
S = ubukhulu bodonga
Fumana ubunzima nge-m nganye yombhobho wentsimbi ongenamthungo onobubanzi obungaphandle obuyi-60mm kunye nobukhulu bodonga obuyi-4mm. Ubunzima nge-m = 0.0246615 × 4 × (60-4) = 5.52kg
Ixesha lokuthumela: Okthobha-08-2023