Pab Pawg 1
Lus nug: Dab tsi yog qhov sib txawv tseem ceeb ntawm SS400 thiab A36 kub dov steel?
Teb: SS400 yog tus qauv xov xwm Japanese yog ib yam tsawg kawg los muaj zog ntawm 400 MPA, thaum A36 yog ib qho txiaj ntsig Asmeskas nrog cov txiaj ntsig Asmeskas nrog 250 MPa. SS400 muaj ntau dua qhov muaj zog tag nrho, ua rau nws haum rau hnyav {6} kev siv cov ntawv thov. A36 muaj qhov sib luag zoo dua, cia nws muaj kev sib raug zoo thiab kev tsim kho thaum lub sijhawm kev tsim kho. SS400 muaj ntau dua nyob rau hauv Asian cov chaw ua lag luam, thaum A36 tau nthuav dav hauv North America. Ob qho tib si tau siv dav siv hauv kev tsim kho tab sis raug xaiv raws li cov qauv hauv cheeb tsam thiab phiaj xwm ua tau zoo.
Lus nug: Dab tsi ua rau kub dov siv siv hlau channel thiab h nqaj nrov nrov hauv cov haujlwm ua haujlwm?
Teb: Kub dov store channel thiab h nqaj yog nrov vim lawv lub zog siab {{0} {{1} Kev txhawb nqa hnyav tsis muaj ntau dhau heev. Cov txheej txheem kub kub yob ua kom muaj cov khoom siv uas tsis muaj zog, txhim kho cov qauv kev ntseeg tau. Lawv cov duab ua qauv ua rau kev teeb tsa thiab cov ntaub pua chaw yooj yim dua, txo lub sijhawm kev tsim kho. Lawv raug nqi -} zoo muab piv rau lwm cov txheej txheem txheej txheem, haum nyiaj ntau npaum li cas. Tsis tas li ntawd, lawv qhov tsis txaus ntseeg hnav thiab kev ntxhov siab ib puag ncig, ua kom muaj kev ntxhov siab ntev}} Lub tsev ruaj khov.
Lus nug: Cov kev siv ntawm kev siv hlau ntsuas hauv kev tsim kho?
Teb: Steel channel muaj feem ntau siv los ua kev lom zem rau cov phab ntsa, vov tsev, thiab cov plag tsev hauv ob lub tsev nyob hauv thiab cov tsev lag luam. Nws ua haujlwm rau kev txhawb nqa rau cov txee, racks, thiab khoom siv hauv cov chaw khaws khoom thiab cov chaw ua haujlwm. Hauv cov phiaj xwm muaj nqis, nws ntxiv cov choj thiab txoj kev loj, muab kev ruaj ntseg tom ntej. Nws tseem ua raws li ntug kev tiv thaiv rau cov vaj tse cov qauv thiab ua cov channel rau kev siv hluav taws xob lossis kav dej. Nws u {{{4 {}}} duab tsim ua rau nws zoo tagnrho rau tuav thiab ruaj ntseg lwm yam hauv qhov chaw.
Lus nug: Yuav ua li cas H nqaj sib txawv ntawm cov channel steel nyob rau hauv kev siv qauv txheej txheem?
Teb: H Be nqaj muaj qhov h {{0} Tus ntoo khaub lig zoo nkauj hauv ob qho tib si ntawm cov kab ke sib npaug Hlau channel, nrog ib qho u - duab, muab lub zog hauv ib qho kev taw qhia, feem ntau siv los ua kev txhawb nqa theem nrab lossis thav duab. H Bean spans ntev dua tsis muaj dabtsi yog khoov, thaum channel yog qhov zoo dua rau cov luv luv thiab yav tom ntej. H BAR yog hnyav dua thiab muaj zog dua, thaum lub sij hawm channel yog ntau dua thiab ntau yam rau cov haujlwm me me.
Lus nug: Yog SS400 thiab A36 kub dov steels haum rau kev tsim sab nraum zoov?
Teb: Yog, SS400 thiab A36 kub dov steels ua haujlwm tau zoo nyob rau hauv sab nraum zoov kev tsim kho nrog kev tiv thaiv zoo. Lawv cov ntaub ntawv hauv paus yog nquag muaj xeb, tab sis cov xim pleev xim zoo li cov xim pleev xim, galvanization, lossis epoxy, lossis epoxy tseem loj heev boofosion. Galvanized version, nrog zinc txheej, yog qhov tshwj xeeb tshaj plaws hauv cov av noo lossis los nag ib puag ncig. Lawv khiav tawm ntawm cov huab cua hloov thiab huab cua raug teeb tsa, ua rau lawv zoo tshaj rau cov choj sab nraum zoov zoo li cov choj, chaw ua haujlwm, thiab qhib} huab cua chaw tais mis. Kev tu ncua ib txwm ua kom ntev - tsis tau kev ua haujlwm hauv cov chaw sab nraum zoov.
Pawg 2
Lus nug: Dab tsi yog qhov loj npaum li cas ntawm kub dov h nqaj ua los ntawm SS400 thiab A36 hlau?
Teb: Kub dov h nqaj los ntawm SS400 thiab A36 feem ntau yog hauv qhov siab los ntawm 100mm rau 900mm, nrog Flange Dav ntawm 100mm thiab 300mm. Lub Vev Xaib Thicknesses sib txawv ntawm 6mm mus rau 20mm, thiab Flange Thicknesses los ntawm 8mm txog 30mm. Cov txheej txheem me me (100-200mm) haum cov phiaj xwm chaw nyob thiab lub teeb lag luam kev lag luam, thaum loj dua (300 hli +) yog rau kev siv hnyav lossis siv hluav taws xob hnyav. Cov chaw muag khoom feem ntau muab cov kev cai siv thiab xav tau kev tsim nyog tau txais kev tsim tshwj xeeb nrog cov kev tsim kho ntau yam.
Lus nug: Yuav ua li cas yog load - Cov kabmob ntawm cov hlau chantric txiav txim?
Teb: Cov thauj khoom - Cov kabmob muaj peev xwm ntawm cov channel hlau nyob ntawm nws qhov loj me, thiab ntev ntev. Cov kws tsim khoom siv nws siv yam zoo li Channel qhov tob, Flange dav, thickness, thiab cov hlau tshaj tawm lub zog (SS400 lossis A36). Ib qho loj dua, tuab channel nrog ib qho siab dua- qib steel (zoo li SS400) txhawb ntau qhov hnyav. Kev ntev ntev yog qhov tseem ceeb - Cov peev txheej Spans nce peev xwm. Piv txwv li, ib 150mm A36 channel yuav pab txhawb 5-8 tons ntau dua 3 mais, thaum ib 200mm SS400 channel yuav ua tau 10-15 tons dhau tib yam. Cov qauv kev suav ua kom muaj kev nyab xeeb thauj.
Lus nug: Dab tsi yog qhov zoo ntawm kub dov hla cold colding rau cov khoom steel no?
Teb: KUB dov ua cov steel nrog rau kev ua tau zoo dua, ua kom yooj yim rau Weld, khoov, thiab cov duab thaum kev tsim kho. Lub siab -} txheej txheem kub txo cov kev ntxhov siab sab hauv, txhim kho cov qauv kev ruaj khov. Kub Rolled steel muaj tus nqi tsim khoom qis dua, ua rau nws pheej yig dua rau cov phiaj xwm loj. Nws muaj cov ntau ntawm qhov ntau thiab tsawg, suav nrog qhov ntev loj dua uas xav tau rau cov qauv txheej txheem hnyav. Thaum lub sij hawm txias muab cov smoother ua tiav, kub dov zoo kev tsim kho kev tsim kho kom muaj kev xav tau vim muaj zog, raug nqi, thiab kev ua kom zoo nkauj, thiab cov nqi fabrication.
Lus nug: Tau SS400 thiab A36 Hlau Channel / h Bead yuav welded ua ke?
Teb: Yog, SS400 thiab A36 Hlau channel thiab h nqaj tuaj yeem muab welded ua ke zoo. Ob qho tib si ntawm ob qho tib si muaj weldability zoo, sib haum nrog cov kev vuam hlau zoo li arc vuam. Cov kev siv vuam zoo, suav nrog cov chaw ntxuav thiab siv cov fillers uas tsim nyog, kom muaj cov pob qij txha ua kom ruaj ntseg. VACE sib txawv qib (SS400 rau A36) yog ua tau, txawm tias hloov kho kom phim lawv cov khoom yog qhov tseem ceeb. Qhov kev sib xyaw no pub rau kev sib xyaw ua ke hauv cov phiaj xwm, kev dag ntxias SS400 lub zog thiab A36's muaj kev tsim nyog, txhim kho kev tsim qauv.
Lus nug: Dab tsi txij nkawm xav tau rau kub dov steel channel thiab h nqaj hauv kev tsim kho?
Teb: Kev tshuaj xyuas ib txwm rau xeb, tshwj xeeb tshaj yog nyob rau thaj chaw noo lossis sab nraud, yog qhov tseem ceeb. Cov xeb yuav tsum tau muab tshem tawm, thiab cov chaw cuam tshuam rov qab los yog coated nrog anti - kev kho corrosive. Welds thiab Bolted cov kev sib txuas yuav tsum tau kuaj xyuas kom nruj lossis kev puas tsuaj, nrog kev kho raws li xav tau. Kev tu cov khib nyiab los ntawm ib ncig ntawm cov hlau sib tua tiv thaiv cov dej noo uas noo noo thiab corrosion. Rau galvanized steel, zam cov tshuaj ntxuav tsis meej preserves cov txheej zinc. Kev Txij Nkawm Kom Tau Txais Nyiaj Txiag lawv lifespan, kom ntseeg tau tseeb rau xyoo tsim hauv kev tsim kho.
Pab pawg 3
Lus nug: Ua li cas SS400 thiab A36 hlau ua hauv qhov siab-} qhov chaw ib puag ncig?
Teb: SS400 thiab A36 hlau tswj lub zog thaum ib txwm muaj qhov kub tab sis tsis muaj zog ntawm cov cua sov heev (saum 500 ° C). Hauv cov huab cua cov xwm txheej, lawv lub peev nyiaj thauj tsawg dua sijhawm, txawm hais tias lawv khaws ntau lub zog tshaj li qee cov ntaub ntawv. Thov hluav taws kub - Tsis txaus ntseeg los yog Rwb thaiv tsev qeeb qhov kev cuam tshuam no, txuas lawv qhov kev ua tau zoo hauv qhov kub siab. Rau cov phiaj xwm xws li muaj kev muaj cua sov lossis fais fab nroj tsuag, ntxiv cua sov {7} {} {tsis muaj kev kho mob. Zuag qhia tag nrho, lawv ua kev ntseeg tau nyob rau hauv cov kev tsim kho kub tsis muaj kev tsim kho tsis muaj kev ntsuas tshwj xeeb.
Lus nug: Dab tsi yog lub neej ib txwm muaj ntawm SS400 thiab A36 kub dov steel hauv kev tsim kho?
Teb: Nrog kev saib xyuas kom tsim nyog, cov hlau no tuaj yeem dhau 50 {{{{}} 100 xyoo lossis ntau dua. Nyob rau hauv sab hauv tsev, ib puag ncig qhuav, lawv yuav pub tshaj 100 xyoo nrog tsawg kawg nkaus. Sab nraum zoov lossis vaum yuav tsum muaj cov txheej txheem ib txwm thiab xeb tiv thaiv kom ncav cuag 50-70 xyoo. Raug rau Saltwater lossis tshuaj lom neeg luv luv liftens lifanpan yam tsis muaj kev tiv thaiv, tab sis galvanization lossis Epoxy Txheej Txheem tuaj yeem txo qhov no. Lawv lub durability ua rau lawv lub peev nyiaj ntev, kom ua tau zoo thiab qauv coj ruaj khov thiab ua haujlwm zoo rau tiam.
Lus nug: Dab tsi yog qhov seem tsis tsim nyog rau kub dov steel channel thiab h nqaj?
Teb: Qhov ntev ntev rau cov kub dov cov hlau channel thiab h nqaj tau teev los ntawm cov qauv zoo li JIS (rau SS400) thiab ASTM (rau A36). Kev thev tau rau qhov siab, Flange dav, thiab tuab feem ntau los ntawm ± 1mm rau ± 5 hli, nyob ntawm qhov loj me. Cov kab teeb loj muaj qhov dav me ntsis kev pab dav hlau. Cov thev naus laus zis ua kom muaj xwm yeem thaum suav kev hloov pauv me me hauv cov txheej txheem kub kub. Lawv tau nruj txaus los lav haum thaum lub sij hawm installation, nrog engineers account rau lawv hauv kev tsim cov teeb meem.
Lus nug: Muaj peev xwm kub dov stand channel siv los ua kev hloov rau h nqaj hauv qee cov ntawv thov?
Teb: Hauv qee kis tsawg, cov Channel tau hloov pauv hloov tsoo, tab sis tsuas yog rau cov khoom sib zog dua thiab cov luv luv. Channel ua haujlwm raws li kev hloov pauv hauv cov qauv me me xws li sheds lossis lub teeb yuag, qhov uas yuav tsum tau ua tiav. Txawm li cas los xij, H Bead lub zog superior thiab ruaj khov ua rau nws tsim nyog rau cov qauv tseem ceeb xws li cov kab ke tsev lossis ntev}} ntev txhawb. Siv channel es tsis txhob he tw nyob rau hauv hnyav {{} Cov ntaub ntawv thov kev pheej hmoo txaus ntshai qauv kev ua tsis tiav. Engineers ntsuam xyuas thauj khoom, ncua, thiab kev nyab xeeb yuav tsum txiav txim siab tias cov channel yog lub khu tag.
Lus nug: Qhov muaj peev xwm rov ua dua tshiab ntawm SS400 thiab A36 kub dov steel?
Teb: SS400 thiab A36 kub dov steel yog rov ua dua tshiab, nrog ze li 100% ntawm cov khoom tau rov qab tau thaum kawg ntawm nws lifespan. Kev ua dua siab tshiab yuav tsum tau melting thiab reprocessing, uas khaws lawv cov qauv txheej txheem, ua rau lawv haum rau cov khoom lag luam steel. Qhov no txo cov pov tseg thiab qhov xav tau rau cov khoom siv raw extraction, kev cuam tshuam ib puag ncig ib puag ncig. Cov kev tsim kho kev tsim kho cov kev tsim kho cov hlau no, ua raws li cov kev coj ua tsim tsev. Lawv qhov rov qab ua dua tshiab ntxiv rau lawv cov lus thov rov qab hais tias eco - cov ntaub ntawv tsim qauv txheem.
Pab pawg 4
Lus nug: Npaum li cas kub dov steel channel thiab h nqaj transpected rau kev tsim kho?
Teb: Cov khoom siv steel no tau thauj khoom ntawm cov tsheb ciav hlau, shocks, lossis nkoj. Ntev H cis siv cov nyom uas yuav tsis txhob overhang. Raws, ua me dua, yog pob thiab nyab xeeb nrog cov hlua khi kom tiv thaiv kev txav mus los. Rau kev thauj mus los thoob ntiaj teb, lawv mus rau hauv cov thawv xa khoom lossis raws li cov khoom thauj tawg. Kev thauj khoom ua kom muaj zog txawm tias qhov hnyav faib, thiab kev nyab xeeb nrog cov saw hlau lossis clamps tiv thaiv kev puas tsuaj thaum pib. Cov phiaj xwm thauj mus los rau loj npaum li cas, qhov hnyav, thiab cov kev cai hauv zos kom ntseeg tau tias muaj kev nyab xeeb, kev ua tau zoo rau cov chaw tsim khoom.
Lus nug: Qhov nqi sib txawv li cas ntawm SS400 thiab A36 kub dov steel khoom?
Teb: SS400 feem ntau kim dua li A36 vim nws cov nqi siab dua thiab cov nqi ntau lawm. Tus nqi sib txawv los ntawm qhov loj me thiab kev ua lag luam, feem ntau xws li ntawm 5 - 15%. Loj H Beams thiab raws tau txais tus nqi loj dua li me dua. Rau cov phiaj xwm xav tau lub zog tshaj plaws, SS400 tus nqi siab dua yog muaj kev ncaj ncees, thaum A36 muaj tus nqi zoo dua rau loads sib dua. Tej yam kev txiav txim txo cov nqi rau ob qho tib si, nrog cov chaw muag khoom feem ntau muab cov nyiaj cheb feem ntau, ua rau lawv siv nyiaj txiag rau kev tsim kho loj.
Lus nug: Puas muaj ntawv pov thawj twg muaj cov khoom lag luam steel ua haujlwm rau kev tsim kho?
Teb: Yog, SS400 thiab A36 cov khoom lag luam tsim nyog kom muaj pov thawj kom ua tau zoo. SS400 yuav tsum ua raws li JIS cov ntawv pov thawj, qhia txog tshuaj lom neeg muaj pes tsawg leeg tshuaj thiab cov khoom siv mechanies. A36 xav tau ASTM ntawv pov thawj, kom ua kom nws ua tau zoo meej thiab kev daws teeb meem. Cov ntawv pov thawj muaj cov ntawv qhia xeem ntawv ntawm lub zog tensile, elongation, thiab qhov tseeb thiab seem. Cov haujlwm tsim kho, feem ntau cov loj lossis tswj tau, xav tau cov ntawv pov thawj no kom ntseeg tau tias muaj kev nyab xeeb thiab kev ntseeg tau. Cov kws tsim khoom muab cov ntawv pov thawj qhia kom paub meej tias kev ua raws cai, uas feem ntau yuav tsum tau kev pom zoo rau kev pom zoo.
Lus nug: Cov khoom lag luam steel no ua rau muaj kev pab cuam rau kev siv av qeeg?
Teb: Lawv lub ductility tso cai rau lawv khoov thiab nqus seismic lub zog thaum lub ntiaj teb, txo kev puas tsuaj. H cis, raws li cov kev txhawb nqa tseem ceeb, tswj cov ncej muaj kev ncaj ncees, thaum cov kev faib tawm kom muaj kev sib tsoo kom tawm tsam cov rog sab nrauv. SS400 lub zog dua thiab A36 qhov hloov tau zoo ua ke los txhim kho kev txhawb nqa. Engineers tsim kev sib txuas (Welds, bolts, bolts) kom cia cov kev txav mus los, tiv thaiv kev ua haujlwm tsis ntev. Siv cov hlau no ua kom txhawb cov tuam tsev tiv thaiv av qeeg tau zoo dua li cov ntaub ntawv ntawm cov neeg muaj sia, tiv thaiv lub neej thiab cov cuab yeej.
Lus nug: Tus txheej txheem rau kev txiav thiab shaping kub dov steel channel thiab h nqaj ntawm - chaw?
Teb: On {-}}}}}}}}}}}}}}}}}}}} Cov cuab yeej txiav ntshav, lossis oxy grinders, lossis oxy- roj teeb rau meej sizing. Shaping, xws li khoov, yog ua tiav nrog hydraulic presses lossis chais, tshwj xeeb tshaj yog rau cov channel. Drilling qhov rau bolts lossis sib txuas siv cov kav dej sib nqus lossis cov ncej cab. Nws yog qhov tseem ceeb heev rau kev ntsuas qhov ntev yog qhov tseeb ua ntej txiav kom phim cov phiaj xwm tsim qauv. Vuam tom qab txiav / shaping koom nrog, nrog rau kom txias kom tsis txhob muaj zog rau cov hlau. Cov neeg ua haujlwm txawj ua raws cov kev nyab xeeb kom ntseeg tau cov txheej txheem thiab cov duab ua tau raws li cov kev xav tau yam tsis muaj zog sib cuam tshuam.
Pawg 5
Lus nug: Qhov nyhav ib ntu twg ntawm tus qauv kub dov h nqaj ua los ntawm SS400 lossis A36?
Teb: Phaus ib meter meter txawv los ntawm qhov loj me. Ib me ntsis h nqaj (100x100mm) hnyav 17-20 kg / m rau ob qib. Ib nrab xyoo 200x200mm Hneev hnyav 40-45 kg / m. Loj dua 300x300mm Beams hnyav 90-100 kg / M. SS400 thiab A36 kab teeb ntawm tib qho loj tib yam nkaus li muaj ze li cov hnyav, raws li kev sib txawv sib txawv yog tsawg heev. Cov kab kos hnyav los ntawm cov neeg muag khoom sau qhov tseem ceeb, pab hauv kev npaj tsheb thauj mus los thiab cov qauv kev suav. Paub txog qhov hnyav rau ib lub ntsuas meter pab kwv yees cov nqi khoom thiab xyuas kom meej thaum tsim kho.
Lus nug: Cov khoom lag luam no puas tuaj yeem siv rau hauv kev tsim kho marine, xws li ports lossis piers?
Teb: Yog, nrog kev tiv thaiv xeb zoo, lawv ua haujlwm hauv kev tsim kho marine. Salwater thiab av noo nrawm xeb, yog li galvanization) lossis epoxy cov xim yog qhov tseem ceeb. Galvanized SS400 thiab A36 Hlau Tiv Thaiv Sealwater Corrosion Zoo, kav ntev li 20 {{{{- 30 xyoo hauv ib puag ncig marine. Kev tu ib txwm, nyiam rov txheej, txuas ntxiv lawv lifespan. Lawv txhawb nqa cov khoom hnyav hauv Piers, Docks, thiab chaw nres nkoj qauv, nrog H Beams tuav cov thauj khoom tseem ceeb thiab raws sijhawm muab kev sib tsoo. Lawv lub zog thiab kho corrosion tsis kam ua rau lawv haum rau cov ntawv thov marine.
Lus nug: Dab tsi yog qhov sib txawv hauv fabrication nyuaj ntawm cov channel hlau thiab h nqaj?
Teb: Cov Chank channel yog yooj yim rau fab vim nws yooj yim u - duab, ua tej, thiab ua kom nrawm dua. Nws qhov me me thiab qhov hnyav sib zog ua kom yooj yim yooj yim rau ntawm {2- chaw. H nqaj, nrog nws h {4 4}} qhov ntev thiab qhov loj dua, yuav tsum tau txiav ntau yam, tshwj xeeb tshaj yog rau Flange thiab web pob qij txha. Nruag Loj Hobs xav tau cov tshuab haum hnyav rau cov thiab txav. Txawm li cas los xij, ob leeg tau tswj nrog cov cuab yeej siv tsim kho, thiab lawv cov qauv tsim qauv txo qis cov ntaub thaiv cov ntaub thaiv kev ua kom zoo nkauj.
Lus nug: Ua li cas SS400 thiab A36 Hlau Sib piv hauv cov nqe lus ntawm Environmental cuam tshuam?
Teb: Ob leeg muaj kev cuam tshuam zoo sib xws, nrog cov kev siv hluav taws xob ntau txo cov khoom pov tseg thiab cov khoom siv. Kub Rolling siv lub zog, tab sis kev tsim cov khoom siv tsawg me me. Lawv lub neej ntev npaum li cas txo qhov kev xav tau ntawm kev hloov ntau zaus, txo qis kev ib puag ncig ib puag ncig. Siv cov hlau rov ua dua nyob rau hauv kev txiav ntau zog siv los txog 70% piv rau cov khoom nkauj xwb. Ob qho tib si ntsib eco - Tus Qauv Ua Tsev, ua rau lawv cov kev xaiv nyob ruaj khov. Xaiv ntawm lawv raws li cov kev xav tau ntawm qhov project tsis cuam tshuam ntau yam kev ua ib puag ncig ib puag ncig.
Lus nug: Qhov kev txiav txim yam tsawg kawg nkaus rau kub dov steel channel thiab h nqaj?
Teb: Yam tsawg kawg nkaus kev txiav txim ntau sib txawv los ntawm cov neeg xa khoom. Rau cov qauv qhov ntau thiab tsawg, qee tus neeg muab kev txiav txim ntawm 1 {-} 5 piece, tshwj xeeb tshaj yog yog tias hauv Tshuag. Kev cai ntau thiab tsawg dua lossis qhov loj me me yuav xav tau 10-20 daim yuav ua kom muaj ntau lawm. Kev txiav txim siab ({100+ daim) feem ntau tau txais tus nqi qis dua. Cov phiaj xwm me me zoo li cov kev kho me tuaj yeem ua rau cov khoom siv me me, thaum cov chaw tsim khoom loj tau txais txiaj ntsig los ntawm kev yuav khoom ntau. Txheeb xyuas nrog cov neeg muag khoom rau qee qhov tsawg kawg nkaus cov kev ua kom tau raug nqi-ua haujlwm tau zoo, sib koom nrog cov phiaj xwm phiaj xwm thiab pob nyiaj siv.
