Q355: Raws li Suav tus qauv (GB/T 700) qis- alloy siab- lub zog steel qauv, Q355 muaj qhov tsawg kawg nkaus lub zog ntawm 355 MPa thiab zoo heev toughness, txawm nyob rau hauv nruab nrab qis- qhov kub thiab txias ib puag ncig. Nws txhim kho kev thauj khoom-cov kabmob muaj peev xwm ua rau nws haum rau nruab nrab mus rau hnyav- cov haujlwm tsim kho, xws li cov kab hauv pem teb hauv siab- cov tsev nce siab, ru tsev russes hauv loj- ncua warehouses, thiab txhawb nqa thav duab rau cov chaw tsim khoom. Qhov tseem ceeb, Q355 qhov zoo tshaj plaws lub zog- rau- tus nqi piv txwv tshem tawm qhov xav tau ntau tshaj - engineering, txo cov khoom siv thiab cov nuj nqis hauv qhov project yam tsis muaj kev cuam tshuam txog kev nyab xeeb ntawm cov qauv.
Ss400: Ib tus qauv kev lag luam Nyij Pooj (JIS G3101) carbon structural steel, Ss400 tau ua kev zoo siab rau nws cov khoom siv kho tshuab txhim khu kev qha- nrog rau qhov tsawg kawg nkaus lub zog ntawm 245 MPa thiab tensile zog xws li 400–510 MPa- thiab zoo weldability. Qib no ua tau zoo nyob rau hauv cov xwm txheej kev tsim kho, suav nrog kev tsim cov phab ntsa, cov kab hluav taws xob thib ob hauv cov tsev nyob, thiab cov khoom siv ib ntus rau cov chaw tsim kho. Nws muaj dav dav hauv kev ua lag luam thoob ntiaj teb thiab cov txheej txheem tsim khoom loj ua rau nws tus nqi qis, ua rau nws tus nqi -kev xaiv zoo rau tej yaam num nrog cov qauv load.
S235jr: Ib tus qauv European (EN 10025-}2) tsis yog- alloy structural steel, S235jr yog ntau yam, nkag tau- qib siab- qib zoo nrog qhov tsawg kawg nkaus yield zog ntawm 235 MPa. Nws muaj cov qauv tsim tau zoo, tso cai rau kev txiav yooj yim, khoov, thiab kho kom haum rau kev tsim qauv tsim, xws li lub teeb ru tsev kab teeb, muab faib cov thav duab hauv cov tsev lag luam, thiab cov khoom siv zoo nkauj. S235jr cov khoom siv qis thiab kev sib raug zoo nrog cov txheej txheem kev tsim kho ua rau nws zoo tagnrho rau cov peev txheej-rhiab nyiaj txiag uas tseem xav tau kev ua haujlwm ruaj khov thiab ua raws li cov qauv zoo thoob ntiaj teb.
Tag nrho peb qib muaj qhov ua tau zoo, nrog rau kev hnav thiab tsim kua muag raws li qhov chaw tsim kho. Thaum ua ke nrog kev tiv thaiv kev kho mob yooj yim (xws li, los tiv thaiv- xeb pleev xim lossis galvanization rau sab nraum zoov), lawv tuaj yeem tiv taus ya raws, kub hloov pauv, thiab muaj tshuaj lom me me, ua kom lub neej ntev - ua haujlwm hauv cov qauv ua tiav.
Cov qauv zoo rau kev tsim kho
H-beam's iconic cross-sectional design, ua ke nrog cov khoom ntawm Q355, Ss400, thiab S235jr, muab cov txiaj ntsig tseem ceeb rau kev tsim kho:
Kev faib tawm kom muaj txiaj ntsig zoo: H-zoo li-nrog dav, tiaj tus flanges thiab lub hauv paus tuab tuab - faib cov sijhawm khoov zoo, shear force, thiab axial loads. Qhov no tso cai rau cov kab teeb los txhawb cov khoom hnyav (xws li cov pob zeb ua vaj tse, cov khoom siv, lossis cov neeg nyob) yam tsis muaj deformation ntau dhau, ua kom muaj kev ruaj ntseg hauv cov tsev xws li los ntawm cov phiaj xwm me me mus rau cov chaw lag luam loj.
Qhov chaw Optimization: Piv nrog rau lwm yam qauv profiles (xws li, I- kab teeb los yog raws), H-beams muab lub zog ntau dua- rau- qhov hnyav piv. Qhov no txhais tau hais tias lawv tuaj yeem muab tib lub load-cov kabmob muaj peev xwm nrog cov qauv tsim kom yooj yim dua, tso tawm qhov chaw sab hauv rau kev ua haujlwm lossis txo qhov siab tag nrho ntawm cov qauv txheej txheem- tseem ceeb rau cov haujlwm nrog qhov chaw txwv.
Kev sib koom ua ke yooj yim: Tag nrho peb qib khoom siv tau zoo heev nrog kev tsim kho thiab kev teeb tsa, suav nrog vuam, bolting, thiab riveting. Qhov no ua kom yooj yim rau ntawm - qhov chaw sib dhos, txo lub sijhawm tsim kho, thiab txo cov nqi zog, vim tias pab pawg tuaj yeem ua haujlwm nrog cov txheej txheem paub thiab cov cuab yeej txheem.
Kev Ua Tau Zoo thiab Kev Ua Haujlwm Scope
Peb Q355, Ss400, thiab S235jr H-beams tau dhau los ua cov txheej txheem tswj xyuas kom ua tau raws li lawv cov qauv hauv tebchaws thiab thoob ntiaj teb:
Rau Q355: Ua raws li GB / T 700, suav nrog kev kuaj tshuaj lom neeg (kom paub meej cov ntsiab lus ntawm cov alloy) thiab cov cuab yeej ntsuas khoom (tensile, khoov, thiab kev ntsuam xyuas cuam tshuam).
Rau Ss400: Ua raws li JIS G3101, nrog kev tshuaj xyuas qhov tseeb ntawm qhov ntev (flange dav, web thickness, ntev) thiab qhov zoo ntawm qhov chaw (kom tsis txhob muaj qhov tsis xws luag xws li tawg lossis xeb).
Rau S235jr: Ua raws li EN 10025-2, suav nrog kev sim tsis muaj kev puas tsuaj (piv txwv li, kuaj ultrasonic) txhawm rau txheeb xyuas cov teeb meem sab hauv uas tuaj yeem cuam tshuam kev ua haujlwm ntawm cov qauv.
Cov H-beams no tau dav siv thoob plaws hauv kev tsim kho:
Kev tsim kho vaj tse: Siv rau hauv pem teb joists, ru tsev kab teeb, thiab thauj khoom -cov phab ntsa hauv cov tsev, cov tsev, thiab cov tsev nyob (Ss400 thiab S235jr tshwj xeeb tshaj yog nyob ntawm no rau lawv cov nqi siv tau).
Kev Lag Luam & Kev Tsim Kho Kev Lag Luam: Ua haujlwm hauv cov khoom lag luam, cov khoom siv txhawb nqa, cov khw muag khoom qab nthab, thiab cov chaw ua haujlwm hauv tsev (Q355 yog qhov zoo dua rau kev siv hnyav-cov haujlwm ua haujlwm, thaum Ss400 haum rau cov qauv kev lag luam).
Kev tsim kho vaj tse: Siv rau hauv cov khoom siv pabcuam rau txoj kev, txuas hniav, thiab tunnels (piv txwv li, kev txhawb nqa brackets, kev nkag mus rau ib ntus) qhov uas durability thiab qis nqi yog ob qho tseem ceeb.
Hauv kev xaus, peb Q355, Ss400, S235jr steel H-beams muab kev sib xyaw ua ke zoo tshaj plaws ntawm kev ua haujlwm ntev, kev siv nyiaj txiag, thiab kev ua haujlwm zoo. Los ntawm kev xaiv cov qib zoo rau cov kev xav tau tshwj xeeb, pab pawg tsim kho tuaj yeem ua tiav qib siab - zoo, ntev - cov qauv siv tau ntev thaum nyob hauv pob nyiaj siv - ua cov H-beams yog ib qho cuab yeej tseem ceeb hauv kev tsim kho niaj hnub no.
