ASTM A913 Cov Qauv Hlau | Cov Hlau H-Beam Muaj Zog Rau Cov Tsev Lag Luam & Cov Tsev Lag Luam
Cov Qauv Hlau Truss rau Lub Tsev Modular Lub thav duab hlau truss yog ib hom kev tsim kho uas cov hlau txuas ua ke ua daim ntawv ntawm cov chav peb ceg hauv ib qho kev sib law liag los ua ib lub thav duab khov kho uas tuaj yeem siv los txhawb cov khoom siv. Cov duab peb ceg ua rau muaj zog thiab ruaj khov nrog cov khoom siv tsawg dua thiab tsim nyog rau qhov ntev thiab chav qhib.
Cov yam ntxwv zoo tshaj plaws
Qhov Sib Piv Zog Siab Rau Qhov Hnyav -- Lub geometry ntawm lub truss peb sab ua rau muaj peev xwm nqa khoom tau zoo nrog cov hlau tsawg dua.
Dav Dav - Npog thaj chaw dav yam tsis muaj cov kem sab hauv.
Tsim ntau lub hom phiaj - Zoo rau cov tsev rau khoom, cov chaw ua haujlwm, cov chaw tsim khoom thiab rau cov chaw ua yeeb yam & cov chaw ua si.
Kev Tsim Ua Ntej & Kev Sib Dhos Sai - Cov khoom siv hlau raug txiav ua ntej thiab tsim tawm ntawm qhov chaw thiab sib dhos ua ke sai sai ntawm qhov chaw.
Lub Neej Ntev - Nrog kev siv cov tshuaj tiv thaiv xeb txaus (galvanizing, pleev xim, lossis txheej), cov qauv hlau yuav muaj lub neej ua haujlwm ntau xyoo caum.
Cov Khoom
Sab Saum Toj Chord: Sab saud kab rov tav lossis tus tswv cuab ntawm lub truss
Hauv Qab Chord: Cov tswv cuab hauv qab kab rov tav hauv kev nruj
Cov Tswv Cuab Hauv Web: Cov ntsiab lus ntawm kab pheeb ces kaum thiab ntsug uas tsim cov chav peb ceg
Kev Sib Txuas: Cov seams bolted los yog welded uas koom nrog cov tswv cuab
Kev Tuav (Xaiv Tau): Kev ruaj khov ntxiv rau sab nraud rau qhov dav dav
Cov khoom siv hlau tseem ceeb rau kev tsim kho Hoobkas
1. Cov qauv tseem ceeb uas muaj peev xwm thauj khoom tau (hloov kho tau raws li qhov xav tau ntawm av qeeg hauv thaj chaw sov)
| Khoom | ASTM A913 Cov Qauv Hlau |
| Khoom siv | ASTM A913 Qib 50/60/65 (Cov hlau ua los ntawm cov hlau tsis muaj zog thiab muaj zog heev) |
| Span Range | 15–60 m (49–197 ft), kho tau raws li qhov xav tau |
| Qhov Siab ntawm Eave | 4–15 m (13–49 ft), raws li qhov xav tau ntawm qhov project |
| Ru tsev Pitch | 5°–30°, kho tau rau huab cua thiab dej ntws |
| Cov Cheebtsam Tseem Ceeb | Cov ncej thiab cov nqaj H-beam (ASTM A913), cov tswv cuab theem nrab (C/Z purlins), lub kaw lus bracing, kev sib txuas bolted/welded |
| Cov Haujlwm Tseem Ceeb | - Lub zog thiab lub peev xwm thauj khoom siab heev |
| - Zoo heev toughness thiab weldability | |
| - Txo qhov hnyav hlau thiab tus nqi hauv paus | |
| - Kev tsim khoom sai thiab kev teeb tsa | |
| - Lub neej ntev thiab kev ruaj khov | |
| Cov Kev Zoo ntawm Cov Qauv | - Muaj zog ntau nrog cov ntsiab lus tsawg |
| - Zoo seismic thiab cua tsis kam | |
| - Haum rau cov haujlwm loj thiab hnyav | |
| Cov Ntawv Thov Feem Ntau | - Kev lag luam: cov chaw tsim khoom, cov chaw cob qhia, cov chaw tsim hluav taws xob |
| - Logistics: warehouses, distribution center | |
| - Kev Lag Luam: cov khw loj, cov chaw ua yeeb yam | |
| - Cov chaw tsim kho vaj tse: cov chaw nres tsheb, cov tsev loj rau pej xeem | |
| Kev Lag Luam Tawm | North America, Central & South America, Middle East, Southeast Asia, Africa |
| Cov Qauv & Daim Ntawv Pov Thawj | ASTM A913, AWS cov qauv vuam, ISO zoo system, kev tshuaj xyuas sab nraud muaj |
| Txoj Kev Ua Haujlwm | Cov Tshuab Ua Haujlwm | Kev Ua Haujlwm |
| Kev txiav | CNC plasma/flame cutting machines, shearing machines | Kev txiav nplaim plasma rau cov phaj hlau / ntu, txiav rau cov phaj hlau nyias, nrog rau qhov tseeb ntawm qhov ntev yog tswj. |
| Kev tsim | Tshuab khoov txias, nias nres, dov tshuab | Khoov txias (rau c/z purlins), khoov (rau cov gutters/ntug trimming), dov (rau cov tuav puag ncig) |
| Kev vuam | Tshuab vuam hlau submerged arc, tshuab vuam hlau tes, tshuab vuam hlau CO₂ uas tiv thaiv roj | Kev vuam siv submerged arc (Dutch kem / H beams), stick weld (gusset plates), CO² gas shielded welding (cov khoom nyias walled) |
| Kev txiav qhov | CNC tshuab drilling, tshuab xuas nrig ntaus | CNC Boring (qhov ntsia hlau rau hauv cov phaj txuas / Cheebtsam), Punching (cov qhov me me ua ke), Nrog cov qhov tswj tau qhov txoj kab uas hla / qhov chaw kam rau siab |
| Kev Kho Mob | Tshuab tua blasting / xuab zeb blasting, sib tsoo, kab galvanizing kub-dip | Tshem tawm xeb (tshuaj tua blasting / xuab zeb blasting), sib tsoo weld (deburr), hot-dip galvanizing (bolt / kev txhawb nqa) |
| Sib dhos | Lub platform sib dhos, cov khoom siv ntsuas | Cov khoom ntawm cov khoom sib dhos ua ntej (kem + nqaj + lub hauv paus) tau raug rhuav tshem rau kev xa khoom tom qab txheeb xyuas qhov loj me. |
| 1. Kev sim tshuaj tsuag ntsev (kev sim xeb ntawm lub hauv paus) | 2. Kev sim nplaum | 3. Kev ntsuas av noo thiab cua sov |
| Cov Qauv ASTM B117 (tshuaj tsuag ntsev nruab nrab) / ISO 11997-1 (tshuaj tsuag ntsev cyclic), tsim nyog rau qhov chaw muaj ntsev ntau ntawm ntug dej hiav txwv Central American. | Kev sim hla-hatch siv ASTM D3359 (cross-hatch/grid-grid, los txiav txim siab qib tev tawm); kev sim rub tawm siv ASTM D4541 (los ntsuas lub zog tev tawm ntawm cov txheej thiab cov hlau substrate). | Cov Qauv ASTM D2247 (40 ℃ / 95% av noo, kom tiv thaiv kev tawg thiab tawg ntawm lub txheej thaum lub caij los nag). |
| 4. Kev kuaj xyuas kev laus UV | 5. Kev ntsuam xyuas tuab ntawm zaj duab xis | 6. Kev ntsuam xyuas lub zog cuam tshuam |
| Cov Qauv ASTM G154 (los ua qauv rau kev raug UV ntau hauv hav zoov nag, kom tiv thaiv kev ploj thiab kev pleev xim rau ntawm cov txheej). | Zaj duab xis qhuav siv ASTM D7091 (lub ntsuas tuab sib nqus); zaj duab xis ntub siv ASTM D1212 (kom ntseeg tau tias kev tiv taus xeb ua tau raws li qhov tuab teev tseg). | Cov qauv ASTM D2794 (kev cuam tshuam rau lub rauj poob, kom tiv thaiv kev puas tsuaj thaum lub sijhawm thauj mus los / kev teeb tsa). |
1. Ceg Txawv Tebchaws & Kev Pabcuam Lus Mev
Peb muaj cov chaw ua haujlwm txawv teb chaws uas muaj cov neeg ua haujlwm hais lus Mev thiab peb tuaj yeem hais 2 hom lus nrog peb cov neeg siv khoom los ntawm Latin America thiab Tebchaws Europe.
Peb pab neeg ua kom yooj yim rau kev tshem tawm kev lis kev cai, kev sau ntaub ntawv, thiab cov kev cai xa khoom tawm kom yooj yim rau kev xa khoom raws sijhawm thiab ua kom sai dua cov txheej txheem ntshuam khoom.
2. Npaj Txhij Rau Kev Xa Khoom Sai
Peb khaws cov khoom siv raw khoom txaus rau cov qauv hlau kub dov xws li H beam, I beam thiab cov khoom siv hlau.
Qhov no txhais tau tias lub sijhawm ua khoom sai dua yog li cov neeg siv khoom tuaj yeem tau txais cov khoom uas lawv tuaj yeem cia siab rau, sai, rau cov haujlwm xwm txheej ceev.
3. Kev Ntim Khoom Siv
Tag nrho cov khoom tau ntim nrog cov qauv seaworthy ntim (steel ncej bundling, waterproof wrapping, ntug kev tiv thaiv).
Qhov no yuav lav thiab xyuas kom muaj kev thauj khoom zoo, tsis muaj kev txav mus los thaum lub sijhawm thauj mus los ntev thiab tsis muaj kev puas tsuaj thaum tuaj txog ntawm qhov chaw nres nkoj.
4. Kev Xa Khoom Zoo & Kev Xa Khoom
Peb ua haujlwm nrog cov neeg xa khoom hauv tebchaws uas ntseeg tau thiab tuaj yeem muab cov nqe lus xa khoom yooj ywm: FOB, CIF, DDP.
los ntawm hiav txwv, tsheb ciav hlau, txoj kev, peb cog lus rau koj xa khoom raws sijhawm thiab kev pabcuam logistic taug qab zoo.
Kev kho mob rau ntawm qhov chawTxheej: Epoxy zinc nplua nuj, Galvanized (kub dip galvanized txheej thickness≥85μm kev pabcuam lub neej tuaj yeem ncav cuag 15-20 xyoo), roj dub, thiab lwm yam.
Dub roj
Galvanized
Epoxy Zinc-nplua nuj txheej
Pob:
Cov khoom lag luam tau muaj kev tiv thaiv zoo hauv cov ntim khoom kom lawv qhov chaw thiab cov qauv zoo thaum tuav. Cov khoom feem ntau tau ntim nrog cov khoom siv tsis muaj dej xws li zaj duab xis yas lossis daim ntawv tiv thaiv xeb thiab cov khoom siv me me tau ntim nrog lub thawv ntoo. Tsis tas li ntawd, tag nrho cov hlua / qhov chaw tau cim meej kom lav qhov kev tshem tawm zoo thiab kev teeb tsa tshaj lij ntawm qhov chaw.
Kev Thauj Mus Los:
Cov qauv hlau tuaj yeem xa los ntawm lub thawv lossis lub tsheb thauj khoom raws li qhov loj thiab qhov chaw mus. Cov khoom loj lossis hnyav kuj tseem raug khi kom ruaj khov los ntawm cov hlua hlau nrog cov ntoo ntawm ob sab rau kev tiv thaiv ob npaug thaum lub sijhawm thauj mus los. Tag nrho cov txheej txheem hauv kev xa khoom yog ua raws li tus qauv kev thauj mus los thoob ntiaj teb, txawm tias qhov deb thiab txawv teb chaws, kom ntseeg tau tias cov khoom xa tuaj raws sijhawm thiab kev nyab xeeb.
1. Muaj cov qib twg rau ASTM A913?
Cov qib kawm feem ntau muaj xws li:
ASTM A913 Qib 50
ASTM A913 Qib 60
ASTM A913 Qib 65
Cov qib siab dua txhais tau tias muaj zog dua thiab muaj peev xwm thauj khoom zoo dua.
2. Cov txiaj ntsig tseem ceeb ntawm ASTM A913 cov qauv hlau yog dab tsi?
Lub zog siab nrog txo qhov hnyav hlau
Zoo ductility thiab seismic kev ua tau zoo
Zoo heev weldability yam tsis muaj preheating hauv feem ntau
Cov khoom siv kho tshuab ruaj khov
Tus nqi qis dua ntawm lub hauv paus thiab kev thauj mus los vim yog cov qauv sib dua
3. ASTM A913 cov qauv hlau feem ntau siv nyob qhov twg?
Cov tsev lag luam: cov chaw ua haujlwm, cov chaw cob qhia, cov nroj tsuag
Cov chaw khaws khoom thiab cov chaw logistics
Cov tsev lag luam thiab cov chaw ua yeeb yam
Cov haujlwm tsim kho vaj tse thiab cov chaw rau pej xeem
Cov qauv hlau loj thiab siab
4. ASTM A913 puas haum rau thaj chaw muaj av qeeg?
Yog. ASTM A913 muaj kev tawv thiab yooj ywm, ua rau nws tsim nyog rau cov qauv hlau uas tiv taus av qeeg, tshwj xeeb tshaj yog nyob rau hauv thaj chaw muaj av qeeg xws li Central America, South America, thiab qee qhov ntawm Asia.
5. ASTM A913 piv rau ASTM A992 li cas?
Feem ntau ASTM A913 muaj zog dua thiab tawv dua li ASTM A992. Nws tso cai rau cov ntu sib dua rau tib lub nra, txo kev siv hlau thaum tswj kev nyab xeeb ntawm cov qauv.
6. ASTM A913 puas tuaj yeem vuam tau yooj yim?
Yog. ASTM A913 muaj cov pa roj carbon tsawg, uas ua rau nws muaj peev xwm vuam tau zoo. Feem ntau, tsis tas yuav tsum tau ua kom sov ua ntej, thiab cov txheej txheem vuam AWS txheem tuaj yeem siv tau.
7. Muaj kev kho qhov chaw twg?
Khoom siv pleev xim primer
Epoxy los yog PU txheej txheem
Kub-dip galvanizing
Txheej txheej tiv thaiv xeb ntau txheej rau thaj chaw dej hiav txwv lossis thaj chaw sov
8. Puas yog ASTM A913 steel qauv tuaj yeem hloov kho tau?
Yog. Qhov dav, qhov siab, qhov layout, qhov tsim load, txheej, thiab cov kev sib txuas tuaj yeem hloov kho raws li cov duab kos thiab cov lej tsim hauv zos.
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