Cov khoom lag luam
Purlins, tseem hu ua purlins thiab girder, yog lub tsev vov ci ci rau lub ru tsev trusses lossis rafters. Lawv raug siv los txhawb nqa rafters lossis cov ntaub ntawv vov tsev. Purlins yog transverse bending cov tswv cuab thiab feem ntau tau raug tsim los ua ib qho {{}} spanish conpressed purlins.
Khoom Purlin
1. Channel Hlau Purlins
Channel Hlau Purlins tau muab faib ua ob hom: Nruab Nrab Channel Hlau Purlins thiab Nrov Channel Hlau Purlins. Nruab Nrab Channel Steel Purlins, vim lawv cov ntaub ntawv tuab tuab, tsis txhob tsim lawv lub zog thiab xav tau ntau cov hlau ntxiv. Thaum lub teeb pom kev zoo channel hlau purlins muab qee yam kev txhim kho dua li cov ncov roob hlau hlau Purlins, lawv tseem tsis zoo.
2. Lub kaum sab xis steel purlins
Angle steel purlins. Lub kaum sab xis ua kom zoo nkauj steel purlins yooj yim rau cov khoom, tab sis lawv tsis muaj peev xwm sib zog thiab xav tau ntau cov hlau ntxiv. Lawv tsuas yog tsim nyog rau kev siv nrog cov ntawv me me, purlin sib nrug, thiab thauj khoom.
3. Composite Channel Hlau Purlins
Ua ke channel hlau vollins yog welded ua ke los ntawm ob lub kaum sab xis. Lawv siv cov hlau tsawg dua qhov zoo tib yam nkaus channel hlau, tab sis xav tau ntau dua vuam ua haujlwm. Lawv tsim nyog rau cov vans tsawg dua los yog sib npaug rau 4m.
4. Composite Z - Hniav Hlau Purlins
Ua ke z {{0} Daim duab hlau zoo ib yam li Composite channel hlau purlins thiab tseem muab welded ua ke los ntawm ob lub kaum sab xis. Thaum lub ru tsev kab nqes kuv ntau dua los yog sib npaug rau 1/3, nws bears ntau load ntau dua li cov xov hlau channel.
5. Kub - rolled nyias- paim}}}}} tshiav parlins
Kub -} rolled nyias- bead yog ib lub sij hawm yooj yim heev ntawm inertia raws tus thawj tus thawj coj, thiab ncaj Flanges rau kev sib txuas yooj yim.
Hollow Purlin
Hollow purlins yog ua los ntawm lub kaum sab xis steel (sab saud thiab khi txoj hlua khi) thiab khi daim hlau welded ua ke. Lawv lub ntsiab tseem ceeb yog tias lawv siv cov hlau tsis muaj zog thiab tuaj yeem siv cov phiaj loj me me ntawm cov hlau me me. Txawm li cas los xij, vim muaj qhov chaw nres ntom ntom ntom ntawm khi daim hlau, cov haujlwm ua haujlwm ntawm kev sib dhos thiab vuam yog qhov loj, yog li lawv siv tsis tau.
Lattice Purlin
Dav hlau truss purlin
Cov Purane Truss feem ntau tuaj yeem muab faib ua ob pawg: ib qho yog ua ntawm lub kaum sab xis steel thiab hloov hlau; Lwm tus yog ua los ntawm txias - bent shin {{1} {}} Walled Steel.
1. Lub kaum ntse ntse thiab hloov hlau dav hlau dav hlau truss purlin
Lub puab tsaig sab saud ntawm Purlin tau muab tso rau hauv V - duab nrog lub kaum sab xis. Hom Purlin no muaj kev tsis zoo rau tom qab txhav txhav txhav txhav, tab sis nws yooj yim kom tau cov ntaub ntawv thiab muaj zog ntshiab. Nws yog qhov haum rau lub ru tsev thauj khoom lossis ru tsev nrog purlin me me. Vim yog cov purlin me me, lub purlin yuav tsum tau dhau los ntawm thaum txhim kho cov kev txhawb nqa sab saud, uas ua rau kev tsim kho ntau yam teeb meem. Txhawm rau kom daws qhov kev tsis sib haum xeeb no, lub purlin nrog lub sab sauv chard kev txhawb nqa Bay tuaj yeem hloov pauv mus rau cov khoom khov kho {{5 5} web purlin.
2. Txias {{{{{}} bent thuv {{walled walled steel dav hlau Dav Hlau Dav Hlau Dav Hlau Dav Hlau Dav Hlau Dav Hlau
Txias - bent bent nyias-}} walled steel dav hlau Dav Hlau Dav Hlau Dav Hlau tau muab faib ua ob pawg.
(1) Txhua tus tswv cuab ntawm Purlin yog txias - bent thuv nyuj-} walled steel. Nws yog tsim nyog rau lub ru tsev nrog loj purlin spacing. Nws txuag tau hlau, muaj lub zog ntshiab, thiab muaj qhov loj me me rau sab hauv thiab sab nraud lub dav hlau.
(2) Qhov chaw tseem ceeb ntawm Purlin, cov chord sab saud thiab cov neeg txias heev-}} Tus tswv cuab yog ua los ntawm cov hlau sib dhos. Txhawm rau txhim kho kev ruaj ntseg ntawm purlin, kawg compression web cov tswv cuab yog qhov ua los ntawm cov hlab square. Nws yog feem ntau siv rau lub ru tsev nrog lub pluaj purlin ntawm 1.5m. Piv nrog rau yav dhau los Puruss Purlin, hom purlin no tau yeej ib txwm ua tau zoo ib yam, tab sis yooj yim kom tau txais thiab chaw tsim khoom.
T - Daim Ntawv Curs
Lub puab tsaig sab saud ntawm lub kaum ntse yog ob tus hlau me me tso cais, thiab lub vev xaib thiab qis chord yog cov hlau. Nws ib qho tib yam - daim web system cov foos ua ib qho chord System, yog li nws yog hu ua t- zoo li lub cev. Kab pheeb ces khi cov ceg tsev thiab txoj hlua ncaj ncaj yuav tsum tau teeb tsa ntawm ob lub kaum sab xis ntawm cov chord loj los ua kom lub cev trussal ntawm lub purlin. Txhawm rau kom ntseeg tau qhov kev txheeb ze ntawm lub vev xaib thiab sab saum toj Chord cov dav hlau thaum lub sijhawm thauj khoom thiab tiv thaiv ib nrab ntawm Hoops yuav tsum tau nruab nrog lub suab luv. Lub cheeb ntawm cov hlau hoops yuav tsum tsis pub tsawg tshaj 10mm. Cov kev xam txheej txheem rau t- truss purlins yog tib yam li rau cov purlins truss. Ob lub kaum sab xis ntawm sab saum toj chord yog kwv yees li pob ua ke nyob rau hauv lub web dav hlau rau kev suav.
Bracketed purlins
Bracketed Purlins muaj cov chord sab saum toj, ob txoj hlua khi ntsug, thiab hauv qab chord. Lawv yog tus qauv indeterminate. Lawv cov yam ntxwv tseem ceeb suav nrog txo qis qhov kev suav sau ua ke hauv lub dav hlau chord sab saum toj, yuav tsum muaj dua cov tswvcuab, thiab pab txhawb kev fab ntaub. Sab saum toj chords tuaj yeem npaj nyob rau hauv cov ntsug lossis kab rov tav. Cov kev teeb tsa ntsug muaj ntau dua hauv {4 4}} dav hlau txhav txhav txhav, tab sis muaj kev txom nyem saum toj kawg nkaus, tab sis kev txom nyem sab saum toj no, Cov kab rov tav muaj ntau dua kev ruaj ntseg thiab pab txhawb kev teeb tsa, tab sis yuav tsum muaj cov hlau me ntsis. Yuav tsum muaj rau ob qho tib si ntsug thiab kab rov tav.
Chaw Truss Purlin
Qhov hla hla ntawm Purlin yog voos, thiab nws yog suav nrog peb lub dav hlau trusses ①, thiab ③ los ua qhov chaw truss, yog li nws hu ua thaj chaw truss. Cov yam ntxwv ntawm Purlin yog cov qauv tsim nyog, yuam kev ntshiab, tsis tas yuav teeb tsa kev zawm hniav, thiab kev teeb tsa yooj yim; Tab sis nws yog ntau zog {{{- ntsoj siv rau kev tsim khoom thiab siv cov roj loj loj. Nws yog qhov haum rau cov xwm txheej uas cov tsheb luv, thauj khoom thiab purlin deb yog loj.
f A Q
1.What yog lub sijhawm them nyiaj?
TT thiab L / C tau txais; Tab sis T / T yuav muaj kev txaus siab tshaj . 30% tso nyiaj thiab tshuav nyiaj ua ntej ua zaub mov xa tuaj.
2.Yog koj yuav tsum tau yuav los ntawm peb tsis yog los ntawm lwm tus neeg muag khoom li cas?
Kev Cia Khoom Loj, nrog cov nqi sib tw, xa khoom ceev
3.Yog koj tau lees tias qhov zoo ntawm cov khoom lag luam zoo li cas?
Nruj cov khoom lag luam zoo, ua tau zoo ua rau yav tom ntej.Qhov no yog TENET ntawm peb lub Hoobkas. Txhua cov khoom lag luam los ntawm peb lub Hoobkas muaj cov txheej txheem kuaj nruj nruj, thiab yuav tsum muaj 100% ua ntej xa khoom.
4.Yog dab tsi pab tau peb tuaj yeem tau txais los ntawm pns?
Los ntawm pns, koj tuaj yeem tau txais tag nrho ntawm cov txheej txheem qib siab nrog cov khoom zoo, peb paub {{{{{} kev pabcuam sijhawm. Lawv yuav ua rau muaj cov khoom lag luam rau kev ua haujlwm, kev ua haujlwm txuag thiab cov nqi zoo rau koj lub xaib raws li qhov tshwm sim.
Cim npe nrov: Hlau Purlins, Tuam Tshoj Hlau vollins cov chaw tsim khoom, cov chaw muag khoom, Hoobkas
