Khoom npe
Choj kuv - nqaj (choj kuv -}} mirders)
Lub hauv paus rau phau ntawv
Choj i - Beams yog thawj cov hlau siv rau cov neeg hlau loj- welded i {{6-}}}}}}}}}}-}}}}}}}}}}}}}}} {type superstructures. Tsim los rau high khoov lub sij hawm heev khoov li cas, shear, qaug zog log / rapered girders thiab kev lag luam ntawm tes thiab muaj peev xwm loj dua, cov kev pab cuam ntev yog xav tau.
Cov hom
Rolled i / wide {- flange (w / ipe / hea / hewb){{0 {}} kev lag luam rau luv luv rau nruab nrab spans.
Welded / Phaj I - girders- Flange} web daim hlau welded los tsim cov girders sib sib zog nqus rau nruab nrab {} {3} ntev ntev.
Tapered phaj girders{{0- Web lossis Flange Taperting los ua kom zoo siv ntawm cov khoom siv.
Cellular / Castellated Teeb{{0 {0} Txoj kev sib zog ua ke nrog kev siv qhib rau cov kev pabcuam thiab txo tus kheej- qhov hnyav.
Composite Steel - Qhob i {- ci- Tus Girder Steel ua raws li daim ntawv sau ua formwork thiab kev sib xyaw nrog lawj slab.
Cov Ntaub Ntawv Raug & Qib Qib
Cov teeb meem carbon & qis {-} almoy cov hlau:S355 / S420 / S460(En),A572 GR.50 / A709(Astm / Aashto) rau kev siv choj.
Tubrogrog / Offshore lossis hnyav - Luag:AH36 / DH36 / EH36lossis cov qhab nia HSLA.
Yeem corrosion-} tiv taus alloys lossis duplex stainless hlau rau cov muaj ib puag ncig.
Raug qhov loj me & Ranges
Qhov tob (H):300 hli → 3, {000+ hli (project nyob; phaj girders feem ntau 800-2,500 hli).
Flarh Dav (B):150 hli → 1,200 hli.
Web tuab (tw):8 hli → 60+ hli.
Flange Thickness (TF):10 hli → 150 hli.
Pawg ib 'meter':~ 50 kg / m (me me rolled) rau ntau pua kg / m (loj phaj tsiaj qus).
Tus qauv / muaj ntev:Lub Hoobkas ntev txog cov khoom siv txwv (6-18 m ib txwm); ntev spans xa tawm raws li spiced ntu.
Tsim & Kev Ua Tau Zoo
Lub sijhawm siab & Shear Muaj Peev Xwm:Flanges loj dua rau dabtsi yog khoov, web rau shear - stiffeners ntxiv qhov uas yuav tsum tau ua.
Qeeb dag - Tsis txhob:Welded sib koom ua ke geometry, filletret tswj thiab tshaj tawm -} Weld kev kho mob kom tau raws li cov chav kawm nkees nkees.
Camber & pre - camber:Lub Hoobkas camber muab rau them nyiaj kwv yees tau hais tias muaj kev txiav txim siab ruaj khov nyob rau hauv kev pabcuam.
Pab qhib & Nkag mus rau:Cellular / Castandated cov qauv lossis web qhib rau cov chaw siv hluav taws xob thiab tso kua dej nrog kev txhawb nqa hauv lub zog.
Composite Cov Peev Xwm Peev Xwm:Shear Studs thiab lawj interface npaj rau composite qhob slabs kom nruj zog thiab txo cov hlau tonnage.
Corrosion tiv thaiv:Kub - dip galvanizing, zinc thermal tsuag, epoxy / alkyd primer + topcoat lossis duplex tshuab rau kev nthuav dav.
Cov Qauv & Codes (Raug Raws Li Qub)
Eurocode:EN 1993 (Eurocode 3) thiab cov ntawv hauv tebchaws.
Aashto / Astm:Aashto lrfd choj tsim qauv thiab astm / Aashto cov qauv khoom (piv txwv li, A709).
Vuam & QA:En ISO 3834, Aws D1.1 / en ISO 5817 Vuam cov txheej txheem, Txoj Kev Specifications.
(Siv Project / Lub teb chaws tus qauv raws li kev cog lus siv.)
Fabrication & Tus Nqi -}} ntxiv cov kev xaiv
Phaj txiav & Profiling:Cnc ntshav / laser rau precise splication & web qhib.
Vuam:Kaw / Mig / Mag Robotic Kab rau cov nqaws sib luag; WPS / PQR Cov txheej txheem tswj.
Ua ntej -} assem::Pob Pob Khoom Sib Tw, phim -} tho qhov thiab cov ntu rau sai sai.
Cambering & Wraftening:Lub Hoobkas cambering rau offset kev pab cuam deflection.
Shear Studs / Shear Connectors:Welded thiab sim rau composite decks.
Ua ntej - ntsia accessories:Lifting Lugs, nkag mus rau cov nkhaus, crane pob thiab ntaub pua tsev erection ib ntus.
Kev Ruaj Ntseg Ua Tau Zoo & Kev Xeem
Cov Ntawv Pov Thawj Khoom Siv:Cov ntawv pov thawj zeb xeem (MTC) thiab pib theem.
Kev ntsuam xyuas txhua yam:Tensile, tawm los, thiab charpy cuam tshuam kev xeem (raws li yuav tsum muaj rau tsawg - kev pab kub).
NDT:UT / RT rau Kev Tseem Ceeb Helds, MT / PT rau saum npoo degrom; piv txwv lossis 100% raws li tau teev tseg.
Quav & Weld Soj ntsuam:Kev ntsuas kev ntsuas, WELD profile tswj thiab tshaj tawm - Weld Kev Kho Tshav Kub uas yuav tsum tau ua.
Txoj Cai Tswjfensional:Laser scanning rau cov duab duab camer, ncaj thiab geometry ua ntej xa khoom.
Ntim, Thauj & Erection txhawb
Pob:Cradles, skids thiab tiv thaiv ntim los tiv thaiv cov txheej txheej thiab tswj cov camber.
Khij:Ntu ID, Kev Qhia Txog, Splice Zauv thiab Erection Sequence Cim.
Nyem:Kev npaj tus me nyuam rau oversized / rog dhau lawm; Spriced ntu rau spans ntev.
Kev Pabcuam Xaib:Kev Duaj Cov Phiaj Xwm, phim {{{0} laum kits, ntawm {{}} Kev saib xyuas cov kawm thiab erction kev saib xyuas muaj.
Cov Kev Siv Raug Raug
Kev Loj & Railway Choj Cov Girders thiab txoj kev sib cuag.
Neeg taug kev, veaus thiab teeb {-}} rail railtertructures.
Rooduct, overpasses thiab culvert cov choj.
Choj ntxiv dag zog & kev rov kho dua tshiab (stitching tshiab i - Beams mus rau cov qauv uas twb muaj lawm).
Tubrog Tub Rog Mus Zoo Tshaj Tawm thiab Ferry Ferry Ramps (nrog qib / txheej txheem).
Yuav Ua Li Cas Orformis Technical Yuav Tsum Tau
Txhawm rau npaj cov lus hais thiab rooj fabrication, thov muab:
Choj span (s), txhawb cov haujlwm thiab cov tsheb khiav / tsheb thauj khoom.
Tuag & Live Loads, Log / Qag loads, dynamic / Quab Qoob Degistria thiab Tsim Qauv.
Xav tau cov ntaub ntawv qib thiab ib puag ncig raug (corrosive / marine / Industrial).
Ntau tshaj -} daim thauj / cranage txwv lossis nyiam rau cov ntu sib luag.
Yuav tsum ua tiav / txheej txheem thiab kev xeem / daim ntawv pov thawj yuav tsum tau ua.
Cov duab kos lossis cov qauv ua ntej (girder sib nraus, lawj hom, swb / P chob).
Peb yuav rov qab pom zoo GENDER YAM (dov vs phaj girder), ntu, qhov hnyav / m), nyricication kos duab thiab kev sib tw.
Vim li cas thiaj xaiv peb tus choj i {- Beams?
We deliver engineered bridge girders combining structural optimization, fatigue-aware detailing, robust fabrication and end-to-end QA-minimizing life-cycle cost while meeting code performance and erection logistics. Muab koj tus choj tsis thiab peb yuav loj xaiv (yob vs phaj, muab vs vs tsis {}}}} cov khoom siv hnyav / cov ntxhuav muaj thiab cov ncauj lus kom ntxaws.
Cim npe nrov: Choj i - nqaj, Tuam choj choj Kuv {{1} tsov nqaj hlau manufacturers, cov chaw muag khoom, Hoobkas
