Cov ntaub ntawv steel, raws li cov qauv kev txhawb nqa cov khoom sib txuas ua ke ntawm lub zog thiab hloov tau yooj yim, ua lub luag haujlwm tsis tuaj yeem hloov pauv hauv cov dej txuag dej, sib sib zog nqus hauv kev khawb av, kev tsim kho chaw nres nkoj, thiab lwm yam. Lawv ntau hom, cov txheej txheem tsim khoom, thiab kev siv thoob ntiaj teb ua rau lawv yog cov khoom tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab txhim kho kev tsim kho. Tsab ntawv xov xwm no yuav muab cov ncauj lus kom ntxaws txog cov hom tseem ceeb ntawm cov ntawv hlau steel, lawv qhov sib txawv, cov txheej txheem tsim khoom tseem ceeb, thiab qhov ntau thiab tsawg thiab cov lus qhia tshwj xeeb, muab cov lus qhia dav dav rau cov kws tsim kho thiab cov neeg yuav khoom.
Steel phaj pilesyog categorized los ntawm cross-sectional duab. Z- thiab U-hom steel ntawv pawg yog qhov kev xaiv tseem ceeb hauv kev tsim vaj tsev vim lawv cov kev siv ntau thiab kev ua tau zoo. Txawm li cas los xij, muaj qhov sib txawv tseem ceeb ntawm ob hom ntawm cov qauv, kev ua tau zoo, thiab kev siv scenarios:
U-puab steel ntawv pawg: Lawv muaj qhov qhib channel zoo li cov qauv nrog xauv npoo rau qhov nruj nruj, tso cai rau lawv hloov pauv mus rau qhov loj deformation yuav tsum tau ua hauv cov haujlwm engineering. Lawv cov khoom zoo flexural ua rau lawv tau siv dav hauv cov dej hauv dej siab (xws li kev tswj xyuas dej thiab cov dej hauv qhov dej khov kho) thiab kev txhawb nqa qhov tob tob (xws li kev tsim kho hauv av rau cov tsev siab siab). Tam sim no lawv yog cov feem ntau siv hom steel ntawv pawg ntawm kev ua lag luam.
Z-shaped steel ntawv pawg: Lawv feature ib tug kaw, zigzag cross-section nrog thicker steel daim hlau ntawm ob sab, ua rau ib tug siab seem modulus thiab siab flexural stiffness. Qhov no tso cai rau kev tswj xyuas meej ntawm engineering deformation thiab tsim nyog rau cov haujlwm high-end nrog kev tswj xyuas nruj deformation (xws li precision Hoobkas lub hauv paus pits thiab loj choj hauv paus kev tsim kho). Txawm li cas los xij, vim qhov kev ua haujlwm nyuaj ntawm asymmetric dov, tsuas yog plaub lub tuam txhab thoob ntiaj teb muaj peev xwm tsim tau, ua rau hom ntawv pawg no tsawg heev.
Cov txheej txheem ntau lawm ntawm steel ntawv pawg ncaj qha cuam tshuam rau lawv cov kev ua tau zoo thiab siv tau. Tam sim no, kub dov thiab txias dabtsi yog khoov yog ob txoj hauv kev tseem ceeb siv hauv kev lag luam, txhua tus muaj nws tus kheej qhov tseem ceeb hauv cov txheej txheem tsim khoom, cov yam ntxwv ntawm cov khoom, thiab kev tso npe thov:
Kub dov steel phaj pawgyog tsim los ntawm steel billets, rhuab mus rau high kub, thiab ces dov mus rau hauv cov duab siv cov khoom tshwj xeeb. Cov khoom tiav lawm muaj kev ntsuas siab precision thiab siab zuag qhia tag nrho lub zog, ua rau nws yog ib qho khoom lag luam hauv engineering tej yaam num. Royal Steel Group siv cov txheej txheem tandem ib nrab txuas ntxiv dov los muab U-puab pawg nrog qhov dav ntawm 400-900mm thiab Z-puab pawg nrog qhov dav ntawm 500-850mm. Lawv cov khoom tau ua tau zoo tshwj xeeb ntawm Shenzhen-Zhongshan Qhov, tau txais lawv lub koob npe nrov ntawm "stabilizing pawg" los ntawm tus tswv qhov project, ua kom pom kev ntseeg siab ntawm cov txheej txheem kub dov.
Cold-formed steel ntawv pawgyog yob-tsim nyob rau hauv chav tsev kub, tshem tawm qhov yuav tsum tau rau high-temperature kho. Qhov no ua rau lub ntsej muag du thiab 30% -50% zoo dua corrosion dua li cov kub dov. Lawv haum rau siv nyob rau hauv cov av noo, ntug hiav txwv dej, thiab corrosion-nrhiav ib puag ncig (piv txwv li, lub hauv paus kev tsim kho). Txawm li cas los xij, vim muaj kev txwv ntawm cov txheej txheem hauv chav-kub, lawv qhov kev sib tshuam ntawm cov rigidity yog qhov tsis muaj zog. Lawv feem ntau yog siv los ua cov khoom siv ntxiv, ua ke nrog cov kub dov los ua kom zoo dua qhov project nqi thiab kev ua haujlwm.
Ntau hom steel ntawv pawg muaj cov qauv meej meej. Kev yuav khoom yuav tsum xav txog cov kev cai tshwj xeeb (xws li kev khawb qhov tob thiab qhov hnyav hnyav) txhawm rau xaiv qhov tsim nyog tshwj xeeb. Cov nram qab no yog qhov dav dav rau ob lub ntsiab ntawm cov ntawv steel phaj:
U-shaped steel ntawv pawg: Cov qauv tshwj xeeb feem ntau yog SP-U 400 × 170 × 15.5, nrog qhov dav ntawm 400-600mm, thicknesses ntawm 8-16mm, thiab ntev ntawm 6m, 9m, thiab 12m. Rau cov kev xav tau tshwj xeeb xws li loj, sib sib zog nqus excavations, qee qhov kub-dov U-puab pawg tuaj yeem hloov kho kom ntev txog 33m kom tau raws li qhov xav tau kev txhawb nqa tob.
Z-shaped steel ntawv pawg: Vim muaj kev txwv cov txheej txheem ntau lawm, qhov ntev yog tus qauv, nrog rau qhov siab ntawm qhov sib txawv ntawm 800-2000mm thiab thicknesses ntawm 8-30mm. Qhov ntev ntev yog feem ntau ntawm 15-20m. Ntev ntev specifications yuav tsum tau kev sab laj ua ntej nrog cov neeg tsim khoom los xyuas kom meej cov txheej txheem ua tau.
Los ntawm cov chaw nres nkoj Esxias yav Qab Teb mus rau North American cov chaw txuag dej, cov ntawv hlau, nrog rau lawv cov kev hloov pauv, tau siv ntau yam haujlwm thoob ntiaj teb. Cov hauv qab no yog peb qhov xwm txheej kev tshawb fawb los ntawm peb cov neeg siv khoom, qhia txog lawv cov txiaj ntsig zoo:
Philippine Port Expansion Project: Thaum lub sij hawm nthuav dav ntawm qhov chaw nres nkoj hauv Philippines, qhov kev hem thawj ntawm cua daj cua dub tshwm sim los ntawm cov cua daj cua dub tsis tu ncua. Peb lub tuam txhab kev lag luam tau pom zoo siv U-zoo li kub dov steel ntawv pawg rau cofferdam. Lawv lub kaw lus kaw ntom nti zoo tiv thaiv qhov cuam tshuam ntawm cov cua daj cua dub, ua kom muaj kev nyab xeeb thiab kev vam meej ntawm kev tsim kho chaw nres nkoj.
Lub Canadian water conservancy hub restoration project: Vim lub caij ntuj no txias ntawm qhov chaw hub, cov av ua rau muaj kev ntxhov siab hloov pauv vim yog lub voj voog khov-thaw, yuav tsum muaj kev ruaj ntseg heev. Peb lub tuam txhab kev lag luam tau pom zoo siv Z-zoo li kub dov steel ntawv pawg rau kev txhawb nqa. Lawv lub zog khoov siab tuaj yeem tiv taus av kev ntxhov siab hloov pauv, ua kom lub sijhawm ruaj khov ntawm cov dej txuag dej.
Ib txoj haujlwm steel qauv tsim nyob rau hauv Guyana: Thaum lub hauv paus kev tsim kho lub hauv paus, qhov project yuav tsum nruj tswj ntawm txoj kab nqes deformation kom muaj kev ruaj ntseg ntawm lub ntsiab qauv. Tus neeg cog lus tau hloov mus rau peb cov ntawv txias-tsim steel ntawv pawg txhawm rau txhawm rau txhim kho lub hauv paus qhov chaw nqes hav, sib txuas lawv cov kev tiv thaiv corrosion nrog lawv cov kev hloov mus rau qhov chaw ntub dej hauv zos kom ua tiav qhov project.
Los ntawm cov chaw nres nkoj Esxias yav Qab Teb mus rau North American cov chaw txuag dej, cov ntawv hlau, nrog rau lawv cov kev hloov pauv, tau siv ntau yam haujlwm thoob ntiaj teb. Cov hauv qab no yog peb qhov xwm txheej kev tshawb fawb los ntawm peb cov neeg siv khoom, qhia txog lawv cov txiaj ntsig zoo:
Philippine Port Expansion Project:Thaum lub sij hawm nthuav dav ntawm qhov chaw nres nkoj hauv Philippines, qhov kev hem thawj ntawm cua daj cua dub tshwm sim los ntawm cov typhoons nquag loomed. Peb lub tuam txhab kev lag luam tau pom zoo siv U-zoo li kub dov steel ntawv pawg rau cofferdam. Lawv lub kaw lus kaw ntom nti zoo tiv thaiv qhov cuam tshuam ntawm cov cua daj cua dub, ua kom muaj kev nyab xeeb thiab kev vam meej ntawm kev tsim kho chaw nres nkoj.
Canadian water conservancy hub restoration project:Vim lub caij ntuj no txias ntawm qhov chaw hub, cov av muaj kev ntxhov siab hloov pauv vim yog lub voj voog khov-thaw, yuav tsum muaj kev ruaj ntseg heev. Peb lub tuam txhab kev lag luam tau pom zoo siv Z-zoo li kub dov steel ntawv pawg rau kev txhawb nqa. Lawv lub zog khoov siab tuaj yeem tiv taus av kev ntxhov siab hloov pauv, ua kom lub sijhawm ruaj khov ntawm cov dej txuag dej.
Kev tsim kho steel qauv hauv Guyana:Thaum lub hauv paus kev tsim kho lub hauv paus, qhov project yuav tsum nruj tswj ntawm txoj kab nqes deformation kom ntseeg tau tias kev nyab xeeb ntawm lub ntsiab qauv. Tus neeg cog lus tau hloov mus rau peb cov ntawv txias-tsim steel ntawv pawg txhawm rau txhawm rau txhim kho lub hauv paus qhov chaw nqes hav, sib txuas lawv cov kev tiv thaiv corrosion nrog lawv cov kev hloov mus rau qhov chaw ntub dej hauv zos kom ua tiav qhov project.
Txawm hais tias nws yog qhov kev txuag dej, qhov chaw nres nkoj, lossis lub hauv paus kev txhawb nqa lub hauv paus, xaiv qhov tsim nyog steel ntawv pawg hom, txheej txheem, thiab cov lus qhia tshwj xeeb yog qhov tseem ceeb rau kev ua haujlwm zoo. Yog tias koj tab tom npaj yuav cov ntawv hlau steel rau koj qhov project, los yog xav tau cov ncauj lus kom ntxaws cov khoom specifications, customization xaiv, los yog qhov tseeb quotes, thov koj xav tiv tauj peb. Peb yuav muab cov lus qhia xaiv cov kws tshaj lij thiab cov nqe lus raug raws li koj qhov project xav tau, ua kom koj qhov project ua tau zoo.
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