Steel walkway crossbeams yog thawj cov txheej txheem tsim los txhawb cov neeg taug kev taug kev ntawm cov choj thiab lwm cov qauv tshwj xeeb. Cov no tsis yog cam khwb cia- cov khoom hauv / embedded, tab sis ua ntej -fabricated cov tswv cuab siv hauv kev tsim choj. Hauv kev tsim choj choj, cov kab teeb no tau teeb tsa los ntawm kev thauj khoom thawj zaug -cov tswv cuab, xws li lub ntsiab girders. Thaum lub phaj girders,steel box girders, los yogsteel trussestsim cov qauv tseem ceeb txhawb nqa lub tsheb ciav hlau nyob loads, lub steel walkway crossbeam pab raws li cov tswv cuab theem nrab.
Peb tsim lawv hauv Q345B/Q355B, Q420 thiab S355 qib - lossis A588 weathering steel - mus rau GB 50017, EN 1993-2 thiab AREMA, ua tiav nrog L-lub kaum sab xis, shear studs, 10 daim hlau txuas, thiab G Grade. thermal-diffusion lossis epoxy systems rau 25-50 xyoo kev pab cuam lub neej.
Steel Walkway Crossbeam Specification
| Yam khoom | Specification |
|---|---|
| Khoom npe | Steel Walkway Crossbeam |
| Khoom siv hlau | Q235B, Q345B (Ntau yam ntaub ntawv muaj raws li qhov kev thov) |
| Cov qauv tsim | GB 50017 (Tuam Tshoj Steel Qauv Code) EN 1993 (Eurocode 3) / AREMA (yeem rau cov haujlwm xa tawm) |
| Hom kev sib txuas | Bolted kev twb kev txuas / welded kev twb kev txuas / hybrid system Siab -lub zog bolts Qib 8.8 / 10.9 |
| Kev kho saum npoo | Kub-dip galvanizing (ISO 1461) Zinc -nplua nuj epoxy primer + polyurethane txheej Multi-element alloy co-diffusion + passivation |
| Qhov ntev | Kev cai -ua raws li cov duab kos |
| Vuam & NDT | Tag nrho cov kev soj ntsuam vuam muaj Ultrasonic kuaj (UT), Sib nqus particle kuaj (MT) raws li kev thov |
| Corrosion Protection Lub neej | 25-50 xyoo (nyob ntawm txheej txheej thiab ib puag ncig) |
| Daim ntawv thov | Railway choj pedestrian walkways High -Speed railway choj saib xyuas cov kab ke Viaduct tshuaj xyuas platforms Rail transit choj auxiliary structures |
📐 Thov ib daim ntawv txiav txim raws li koj qhov Project Blueprints!
Nta thiab Lub luag haujlwm ntawm Steel Walkway Crossbeam
Lub luag haujlwm tseem ceeb ntawm Steel Walkway Crossbeam
Structural Integrity thiab Lateral Bracing:Cov kab teeb no muab qhov tseem ceeb rau sab nraud, stabilizing thawj longitudinal girders. Qhov kev teeb tsa no ua tau zoo tiv thaiv torsional buckling lossis lateral distortion ntawm cov qauv tseem ceeb thaum raug rau qhov hnyav hnyav nyob ntawm qhov hnyav -haul lossis siab - kev tsheb ciav hlau ceev.
Kev Saib Xyuas thiab Kev Nkag Mus Nkag:Tsim los txhawb ntau txoj kev taug kev decking, cov kab teeb no tsim kom muaj kev ruaj ntseg thiab kev sib koom ua ke rau cov neeg ua haujlwm. Qhov no ua kom muaj kev nyab xeeb ib puag ncig rau kev soj ntsuam tseem ceeb thiab kev saib xyuas cov txheej txheem niaj hnub.
Load Path thiab Distribution:Los ntawm kev sib txuas ntawm cov ntu nruab nrab ntawm cov thawj trusses lossis girders, cov khoom no ua kom zoo rau txoj kev thauj khoom. Lawv pab txhawb kev hloov pauv ntawm cov khoom nyob (los ntawm kev tsheb ciav hlau) thiab cov khoom tuag (los ntawm kev sib dhos ntawm txoj kev taug kev) los ntawm cov txheej txheem tseem ceeb thiab
nqes mus rau tus choj piers thiab substructure.
Cov yam ntxwv tseem ceeb ntawm Steel Walkway Crossbeam
Siab zog - rau - Qhov hnyav piv:
Hlau txoj kev hla kev muaj peev xwm txhawb nqa hnyav - tsheb thauj khoom thauj tsheb thauj mus los - kwv yees li tsib npaug ntawm qhov loj ntawm cov qauv kev loj thauj khoom - yam tsis muaj qhov hnyav hnyav hnyav rau ntawm lub superstructure. Qhov no ua kom pom qhov zoo tshaj plaws load- bearing efficiency.
Prefabrication Precision:
Steel walkway crossbeams nyob rau hauv ib puag ncig lub Hoobkas tswj xyuas kom muaj qhov tshwj xeeb qhov tseeb thiab nruj tolerances. Qib siab ntawm kev ua ntej - engineering no ua kom yooj yim, ua txhaum -dawb ntawm - qhov chaw teeb tsa thiab txo qis qhov xav tau ntawm kev hloov kho.
Durability thiab Resilience:
Choj-qib cov qauv hlau ua rau pom qhov zoo ntawm cov pob txha toughness thiab kev cuam tshuam, kom ntseeg tau ntev -lub sij hawm kev cia siab txawm nyob rau hauv hnyav sab nraum zoov ib puag ncig thiab siab - seismic zones.
Kev sib txuas thiab kev teeb tsa ntawm Steel Walkway Crossbeams
Cov hlau taug kev hla kev sib sau ua ke suav nrog lub vev xaib ntsug, lub phaj hauv qab khoov, thiab lub kaum sab xis saum toj kawg nkaus. Lub vev xaib phaj yog taw qhia vertically los ua lub hauv paus tseem ceeb. Lub phaj khoov yog ruaj ntseg welded rau qis kawg ntawm lub vev xaib, thaum lub phaj sab saum toj yog tsau rau ntawm sab sauv. Ib qho L- kaum sab xis mounting puag yog muab tso rau saum npoo ntawm lub phaj saum toj kawg nkaus. Tsis tas li ntawd, ntau lub taub hau shear studs (cylindrical studs) yog precision-welded hla saum phaj. Qhov kev teeb tsa no muab kev ua kom yooj yim, siab - txhim khu kev qha cov qauv kev daws teeb meem, ua kom muaj kev ruaj ntseg zoo dua thiab yooj yim rau kev teeb tsa.
Kev sib txuas ntawm Steel Walkway Crossbeams
Beam{0}}rau-Txoj kev Interface:
Kev sib txuas ntawm cov kab hlau steel thiab lub lawj choj yog tsim los kom ruaj ntseg, ua kom cov txheej txheem txuas ntxiv los tiv thaiv kev cuam tshuam ntawm cov khoom thiab txo qis kev ua haujlwm vibrations.
Beam{0}}rau-Bearing Connection:
Tag nrho cov khoom siv sib txuas siv siab - lub zog bolting los lav superior load- bearing peev thiab tshwj xeeb seismic resilience rau tag nrho cov qauv.
Internal Structural Fabrication:
Cov kab hlau siv tag nrho -kev nkag los yog qhov sib txuas rau cov pob qij txha sab hauv kom ntseeg tau qhov siab tshaj plaws ntawm cov qauv thiab ntev - lub sij hawm seem stability.
Installation ntawm Steel Walkway Crossbeams
Kev npaj qhov chaw:
Txheeb xyuas qhov chaw thauj tog rau nkoj tawm tsam cov duab kos. Ncua qhov ntawm tag nrho cov khib nyiab thiab dej sawv ntsug; Cov chaw sab hauv yuav tsum qhuav thiab huv si kom ntseeg tau tias kev sib koom ua ke zoo tshaj plaws rau lub pier.
Material Staging:
Xa cov khoom ua ntej-fabricated beams thiab cov khoom siv tsim nyog rau qhov chaw teeb tsa ua ntej.
Mounting & ruaj ntseg:
Teem cov kab teeb nrog cov phaj embedded thiab ruaj ntseg siv cov qauv - qib bolts.
🔩Upload Koj Cov Lus Qhia Kev Sib Txuas rau Engineering Optimization.
Manufacturing txheej txheem ntawm Steel Walkway Crossbeams
Cov txheej txheem tsim khoom rau peb txoj kev taug kev hla kev steel feem ntau suav nrog cov kauj ruam hauv qab no: laser txiav thiab vuam ntawm cov hlau phaj, txhaj tshuaj blasting, thiab ntau- cov txheej txheem thermal diffusion txheej (TDC) ua raws li passivation thiab sealing.
1.Plate Txiav:Cov phaj hlau yog qhov tseeb- txiav rau hauv cov ntawv xav tau siv lub tshuab txiav laser nruj raws li kos duab specifications thiab qhov yuav tsum tau muaj.
2.Assembly thiab Vuam:Lub vev xaib thiab flange daim hlau tau sib sau ua ke rau hauv I- ntu siv cov jigs tshwj xeeb thiab cov khoom siv. Tom qab ntawd cov khoom sib xyaw ua ke los ntawm kev siv vuam, nrog cov seams thawj zaug siv tsis siv neeg lossis ib nrab - cov txheej txheem tsis siv neeg, xws li Submerged Arc Vuam (SAW).
3.Drilling ntawm Bolt Qhov:Siab- qhov tseeb qhov ntsia hlau yog drilled rau hauv cov ntawv sib txuas siv CNC drilling tshuab. Qhov kev txiav txim siab no yog qhov tseem ceeb los xyuas kom meej seamless ntsia liaj qhov rooj haum - thaum lub sij hawm ntawm - qhov chaw teeb tsa.
4.Anti-Txoj kev kho deg:Kev tiv thaiv saum npoo feem ntau suav nrog Kub-Dip Galvanizing (HDG) lossis ntau- alloy thermal diffusion tom qab passivation. Qhov no yog ib kauj ruam tseem ceeb hauv kev ua kom lub neej ntev - lub neej ua haujlwm ntawm cov kab teeb.
🛠️Xa koj CAD / Tekla Drawings rau kev ntsuas kev tsim khoom tam sim!
Peb Customization Service
Dab tsi peb tuaj yeem hloov kho
Tshooj & profile (H-/I-section sized to span, width, loading).
Cov khoom siv qib (Q345B / Q355B, Q420, S355, A588).
Geometry & puag (L-angle puag, bent hauv qab phaj, sab saum toj cap).
Kev sib txuas & kho vajtse (bolt qauv, shear studs, daim hlau).
Corrosion system (HDG, TDC, lossis epoxy los ntawm ib puag ncig).
Yuav ua li cas Customization ua haujlwm
Xa tus choj layout, taug kev dav thiab chaw thau khoom.
Tus kws tshaj lij qhia txog ntu, qib thiab hais lus.
Khw / txuas kos duab rau kev pom zoo.
Fabrication, NDT thiab txheej.
QC kawg, VCI qhwv, hlau- cov ntaub ntawv ntim.
Ntim & Kev thauj mus los
| Yam khoom | Paub meej |
|---|---|
| Ntim | Txhua nqaj qhwv hauv VCI zaj duab xis, padded nrog cov ntawv roj hmab. |
| Kho vajtse crating | Bolts thiab studs nyob rau hauv cov ntaub ntawv hlau; kaum tiv thaiv. |
| Kev thauj mus los | Cov hlua hlau + ntoo txhawb nqa hauv cov thawv; FOB / CFR / CIF nrog taug qab. |
| Lub sijhawm ua haujlwm | 7-10 hnub ua haujlwm tus qauv; 12-18 hnub kev cai. |
| Docs xa tuaj | Daim ntawv teev npe, daim ntawv them nqi, MTC, vuam / NDT, txheej, khw / erection kos duab. |
FAQ:
Dab tsi yog txoj kab hla taug kev (walkway bracket)? Nws lub luag haujlwm tseem ceeb yog dab tsi?
Nws yog ib qho kev thauj khoom thib ob-cov kabmob txuas txuas nrog tus choj tseem ceeb (lossis cantilevered los ntawm lub ntsiab girders). Nws lub luag haujlwm tseem ceeb suav nrog:
Txhawb nqa Walkway Infrastructure:Nws txhawb nqa tus choj decking thiab handrails, muab txoj kev nyab xeeb thiab chaw ua haujlwm rau cov neeg ua haujlwm kho tsheb ciav hlau.
Txhim khu kev ruaj ntseg:Ua raws li ib feem tseem ceeb ntawm lub lateral bracing system, nws txhim kho tag nrho torsional rigidity thiab lateral stiffness ntawm tus choj.
Mitigating Structural Vibration:Ua ke nrog lub hauv paus qauv, nws suppresses thiab txwv kev vibrations induced los ntawm kev tsheb ciav hlau.
Yuav ua li cas txo tus ntoo khaub lig beam qaug zog puas tsuaj los ntawm lub tsheb ciav hlau vibrations?
Lub cyclic, alternating loads los ntawm railway tsheb ua rau qaug zog tsuj roj. Cov tswv yim hauv qab no yog siv:
Kev nthuav dav Optimization:Txhawm rau tshem tawm kev ntxhov siab ntawm tus ntoo khaub lig kab- mus rau - lub ntsiab girder sib koom, siab - lub zog bolted kev sib txuas los yog kev sib hloov welded du yog qhov tseem ceeb.
Kev xaiv khoom siv:High-lub zog qis- alloy (HSLA) cov qauv hlau tau teev tseg los xyuas kom meej cov pob txha zoo heev.
Kev soj ntsuam niaj hnub:Kev txheeb xyuas qhov qaug zog yog ua nruj me ntsis raws li cov qauv tsim, ua tiav los ntawm Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT), xws li Ultrasonic Testing (UT), ntawm cov pob qij txha tseem ceeb.
Yuav ua li cas kom ntseeg tau qhov corrosion lifespan ntawm structural steel cross beams nyob rau hauv hnyav ib puag ncig?
Railway txuas hniav yog raug rau sab nraum zoov ib puag ncig nrog high humidity los yog hnyav plua plav. Cov nram qab no systems guarantees durability:
Nto Anti-Kev Kho Corrosion:Siv kub-dip galvanizing (HDG), thermal spray aluminium (TSA), lossis hnyav-cov txheej txheem txheej txheem (xws li zinc-nplua nuj epoxy primer + polyurethane topcoat) ua raws ISO 12944.
Weathering Steel Daim Ntawv Thov:Rau ib puag ncig qhuav lossis huv kev tsheb ciav hlau, cov hlau tsis muaj xim tsis muaj xim tuaj yeem raug teev kom txo tau lub neej - cov nqi tu lub voj voog.
