Decnel dec channel hlau (txheem c - channel / nquag u - channel)
Lub ntsiab
Nruab nrab channel hlau - Feem ntau hu ua c}} channel}}} channel}}} channel}}} channel}}} channel}}} channel}}} channel lossis ob flanges uas tsim ib qho "C" lossis "U". Nws yog kev lag luam, npaj tau muaj cov ntaub ntawv siv rau lub teeb pom kev muab cov qauv sib txuas uas tsis muaj tus nqi lossis cov teeb meem hnyav tsis muaj nqi.
Cov Ntaub Ntawv Raug & Qib Qib
Cov Qauv Hlau Qauv:A36 / Q235 / s {{235 - dav - lub hom phiaj, yooj yim rau weld thiab yig.
Siab dua - tawm cov kev xaiv (thaum xav tau):S275 / S355 / ASTM A572 GR.50.
Corrosion -} Cov kev xaiv resistant:Kub - dip galvanized, electro - galvanized, lossis stainless hlau (304/316) rau cov chaw ib puag ncig.
Cov Qauv Txheej Txheem:Tsim mus rau GB / en / Astm / Jis Qhov Ntev -} Tshaj tawm cov qauv lossis qhov ntev thaum xaj.
Txheem Geometry & Ranges (Kab Lij)
Qhov tob (H):~ 50 hli → 400 hli (cov khoom siv ntau thiab tsawg dua npog cov hlua no).
Flarh Dav (B):~ 30 hli → 150 hli.
Web tuab (tw):~ 3 hli → 16 hli.
Flange Thickness (TF):~ 3 hli → 20 hli.
Ntev:zeb ntev (6 m, 12 m) los yog txiav - rau {{3} ntev rau ib qho kev txiav txim.
Chav phaus: typically from ~3 kg/m for small channels up to >70 kg / m rau cov ntu loj / hnyav. Siv cov ntu cov rooj rau qhov hnyav.
Cov khoom lag luam & suav ceev
Thaj chaw (a){{0-}}} siv cov rooj kev tshaj tawm lossis kwv yees los ntawm cov khoom:
[
Ib tug \\ kwv yees 2 (b \\ sij hawm t_f) + (h - 2 t_f) \\ sij hawm t_w
]
Pawg ib meter meter (kg / m){{0= (a (\\ ntawv {mm} ^ 2) \\ Times sij hawm 0.00785).
Thib ob lub caij ntawm thaj chaw(Ix, iy) thiabNtu Modulus(SX, SY) yuav tsum tau los ntawm cov qauv ntu ntawm lub zog / kev ruaj khov cov tshev /}}}}} Tsis txhob kwv yees cov qauv kawg.
Mechanical Cwj Pwm & Tsim Kev Sau Ntawv
Asymmetric qhib Tshooj:muaj zog rau khoov li ntawm cov kab muaj zog (thaum flange dav hlau tiv taus khoov), tab sis tsis muaj zog ntawm torsion thiab nyob rau hauv tsis muaj zog {{axis khoov.
Stability:Raws muaj peev xwm yuav nquag mus rau tom qab {{0} {torsional {{{{{{{{3} {{3} - kev sib dhos.
Kev txhawb zog hauv zos:Ntxiv cov hmoov nplej flange lossis cov web stiffeners uas muaj lub nra, crane log lossis hnyav bolted sib txuas ua.
Serviceability:Txhua zaus yuav tsum txheeb xyuas cov kev txwv deflection (L / 200, L / 250, L / 360 lossis kev ua haujlwm uas tsim nyog) thiab kev co.
Cov Kev Siv Raug Raug
Purlins, girts thiab theem nrab kev ua nyob rau hauv cov tuam tsev teeb.
Platform teeb, Stair Strirers, txhawb nqa tes txhawb nqa thiab cov neeg saib xyuas.
Tshuab thav duab, ntsia thiab khoom siv txhawb nqa.
Cable tais txhawb nqa, signage thav ntawv thiab khib Uprights.
Retrofit thiab kho ua haujlwm ua haujlwm uas cov khoom ntim ua rau kev hloov chaw hloov nrawm.
Fabrication & Tus Nqi -}} muaj cov kev pabcuam
Tej & coping:CNC NTSHAV / LASER lossis sawing rau cov ntawv luam tawm thiab xaus.
Pre6 - drilling / phim - drilling:Bolt lub qhov qauv thiab clip qhov rau kev sib dhos sai.
Welded Txuas & Stiffeners:Web stiffeners, Flange cov hmoov nplej, welded pads thiab tog tog tog zaum.
Ua ntej {- kev sib dhos / Splice khoom siv:Numbered splice daim hlau thiab cov ntsia liaj qhov rooj ntim mus rau kev nrawm.
Nto Kho:Txhaj tshuaj -} Blast + Primer, kub}}}} dip galvanize (hdg), pleev xim / epoxy lossis duplexy (HDG + xim).
Cambering / Wirgening:Lub Hoobkas cambering rau offset cov kev pab cuam muaj nyob rau ntawm kev thov.
Deg tas & Corrosion tiv thaiv
Zeb tiav (dub):yig; Feem ntau siv thaum pleev xim rau ntawm qhov chaw.
Kub - dip galvanizing (HDg):Pom zoo rau kev ua si sab nraum zoov ntev.
Electro - galvanized / zinc txau / primer + Topcoat:rau kev sib kis lossis cov duab kos duab sib txawv.
Duplex tshuab (HDG + xim):zoo tshaj thinevity rau kev txhoj puab ib puag ncig.
Cov Lus Qhia Zoo & Ntaub Ntawv
Cov ntawv pov thawj zeb xeem (MTC):tshuaj lom neeg thiab neeg kho tshuab ua kom muaj cua sov.
Tshuaj Ntsuam Xyuas Sab Nrau:Qhov tob, flange dav, thickness thiab cov tshev sib dhos.
Vuam & Fabrication Cov Ntaub Ntawv:WPS / PQR thiab Club tswv cuab tua tsiaj thaum qhia tsim - Up tshooj.
Ndt (yeem):MT / ut / RT rau cov kev tseem ceeb hauv Welds lossis thib peb -}} kev soj ntsuam.
Txheej kev tshuaj xyuas:Dft, adhesion thiab kev pom kev txais kev pom zoo li tau teev tseg.
Ntim & Logistics
Bundling:strapped bundles nrog cov ntoo spacers kom tiv thaiv cov cim.
Khij:Cov khoom cim qhia qhia qhov loj me, ntev, kom muaj nuj nqis thiab kub / paj.
Nyem:Npaj ib qho -}} ntev kom phim txoj kev / Rail thiab ntawm - drilled splice cov khoom siv yog ib txwm muaj rau tshaj {4} ntev sau.
Yuav ua li cas xaj -} Muab cov ntsiab lus no
Ntu teeb tsa lossis qhov ntev(H × B × Tw × TF) thiab siv cov qauv (GB / AISC / JIS).
Khoom Siv KhoomThiab daim ntawv pov thawj yuav tsum tau (piv txwv li, A36 / Q235 / S355, MTC xav tau?).
Ua kom tiav / Txheej(Zeb / HDG / Primer + xim / Duplex / Stainless).
Ntev (s)Thiab kom muaj nuj nqis (txiav - rau - ntev lossis zeb ntev lossis ntev ntev).
Tus nqi -}}} kev xav tau: Pre6 -} drilling, copes, welded attipments, khoom siv splice.
Tshuaj xyuas / Kuaj: NDT, thib peb {-}} kev tim khawv, kev kuaj tshuab.
Kev xa khoom xa tawm: Max ib leeg daim ntev, site cranage, hnub xa khoom.
Cov Lus Qhia Kev Xaiv Nrig
Kev sivpaired / rov qab - rau -} rov qab rawslos yog ua {-} up box tshooj rau ntau torsional kuj.
NtxivFlange tuab / ntxiv cov ob Phemrau concentrated bearing ris.
XaivHDg lossis duplexnyob rau hauv ntug dej hiav txwv / muaj chaw ib puag ncig.
Rau purlins thiab cladd kev txhawb nqa, kos cov neeg xa khoom xeem Luv (cov chaw tsim khoom nraaj).
Yog tias koj xav tau, Kuv tau tam sim no:
A) Saib cov ntu ntu rau cov qauv tshwj xeeb (GB / AISC / JIS) thiab muab qhov hnyav / SX / Qhov hnyav rau kev xaiv ntau; lossis
B) Pom zoo 2-3 tus neeg sib tw suav channel sib tw rau ib qho luv thiab thauj koj muab rau kuv (nrog kev ntaus nqi sai / Defllection).
Qhia kuvAlossisBthiab muab cov qauv lossis luv / load cov ntaub ntawv yog tias koj xav kom kuv mus.
Cim npe nrov: Nruab Nrab Channel Hlau, Tuam Tshoj Cov Channel Zoo Hlau Channel Hlau Chaw Tsim Tshuaj, Chaw muag khoom, Hoobkas
