Kab teeb podstropilnye: cov ntaub ntawv, tus ntoo khaub lig-nroj tsuag. Podstropilnaya ua liaj ua teb

Lub hauv paus ntawm tus tsim nyob rau hauv lub ntaus ntawv ua vov tsev truss thiab podstropilnye ntsiab. Cov kabmob system ntawm lub ru tsev npog - ib tug truss beams thiab trusses. Kab teeb yog podstropilnye them nyiaj yug rau ru tsev hais. Lawv yog siv nyob rau hauv lub txheej apparatus nyob rau hauv ib tug-zaj dabneeg multi-ncua muaj vaj tse, thaj vaj tse nyob rau lub ntaus ntawv nthab pem teb.

Podstropilnyh hom kab teeb thiab trusses

Cov ntseeg ntawm tag nrho vov tsev system yog tag nrho nyob rau lub dag lub zog thiab tsim nyog ntawm cov cab kuj thiab podstropilnoy truss qauv. Nws yog ib tug loj ntau yam ntawm sab nraud loads.

Kab teeb podstropilnye - yog qhov khoom ntawm ib zaug xwb lub caij uas tau txais ib tug sab nraud load, faib nws thoob plaws nws ntev. Nyob rau hauv cov ntaub ntawv no, qhov loj tshaj txhawj xeeb tshwm sim rau hauv lub xaus ntawm lub beam. Nws siv nws rau gully ru tsev vov tsev systems.

Podstropilnaya ua liaj ua teb - ib tug tham puas qauv, uas yog tau koom ua ke los ntawm ib tug neeg rods rigidly kev cob cog rua rau ib leeg. Loads tshwm sim tsuas yog nyob rau hauv lub nodal sib txuas rods. Tej designs yog siv nyob rau hauv vov tsev systems nrog trusses.

Nyob rau hauv lub manufacturing khoom podstropilnye qauv yuav tsum tau muab faib mus rau hauv:

• Reinforced.
• Steel.
• Ntoo.
• Tam ntoo system.

Qhob thiab steel beams thiab trusses yog feem ntau siv nyob rau hauv kev tsim kho ntawm muaj vaj tse thiab Siv. Ntoo thiab siv tam qhov cuab lub zog ntsiab ntawm ntoo yog siv feem rau cov ntaus ntawv yog tsis tau tsuas yog zus tau tej cov ru tsev, tab sis kuj nyob rau hauv kev tsim kho ntawm ru tsev nyob rau hauv thaj vaj tse.

Nyob rau hauv industrial tsev Siv podstropilnymi overlapping 12-ko taw, 18-ko taw, 24-ko taw thiab 30-meter spans ntawm tug ncej zeb. Nyob rau hauv kauj ruam rau-meter podstropilnye truss beam ntsiab thiab ua hauj lwm rau lawv ua liaj ua teb intermediate txhawb ntsiab.

Los ntawm daim ntawv ntawm tus ntoo khaub lig seem ntawm lub beam yog muab faib mus rau hauv:

• Lub.
• Tees.
• I-beam.
• Box kab teeb.

Nyob rau hauv kev tsim kho ntawm ib tug neeg tsev nyob siv, destined rau lub ru tsev system them nyiaj yug, tsis yog feem ntau siv. Nyob rau hauv kev lawv siv nyob rau hauv lub ntaus ntawv nthab qhov chaw.

Tam qhob beams podstropilnye

Qhob khoom uas siv rau vov tsev ntaus nrog ib tug me ntsis nqes hav, raws li zoo raws li pitched ru tsev. Lawv yog ua nyob rau hauv vaj tse factories qhov twg tam sim ntawd thov prestressing steel qhov cuab lub zog kab teeb. Cov ntaub ntawv uas siv fittings:

• Cov rods siv tam nrog ib tug periodic profile.
• Hlau bundles ntawm mas check hlau.
• Twisted hlau strands.
• Hlua fittings.

Tus duab ntawm tus kab teeb yog distinguished podstropilnye nrog thaum uas tig mus thiab uas tsis yog-thaum uas tig mus aav. Lawv muab xam yog tau nyob rau hauv lub hauv paus ntawm lub load, uas muaj ib tug truss beam, raws li nyob rau hauv nruab nrab teev podstropilnogo caij thiab lub load ntawm tus luj ntawm lub beam nws tus kheej, faib raws nws ntev. Cov khoom ua nrog strapping qhov npaj rau mounting thiab lifting, tej zaum yog siv es tsis txhob mounting tabs.

Teev nyob rau hauv nruab nrab ibyam ntawm cov lug txhawb lub ru tsev beams thiab trusses, yog hais tias tus dav ntawm cov kauj ruam 6 meters, thiab cov dav ntawm lub installation nruab nrab txhua - 12 meters. Txhim kho podstropilnyh beams ua rau lub txhua, lawv yog tsau by Vuam kos qhov chaw. Nyob rau hauv nruab nrab ntawm lub kab teeb podstropilnyh thiab lawv xaus no yog ua los tshwj xeeb siv rau lub cheeb tsam ntawm nyiaj txais muas tsev bonds thiab thauj tog rau nkoj bolts rau lub installation ntawm lub ru tsev lug.

Kuv-zoo li tus los yog T-ntoo khaub lig seem nrog ib tug hauv qab ceg thiab ib tug Trapezoid zoo. Lub hauv qab txee yog kho kom zoo nyob rau hauv tej qhov chaw uas nws yog lam xav installation ntawm lub ru tsev kab teeb.

Podstropilnye raws qhov ntev ntawm lub beam nyob rau hauv lub ntsiab muaj 12-ko taw, tej zaum kuj siv 18-meter los yog 24 'meter' khoom. Central siab yog 1.5 meters, nyob rau hauv lub teb tug - 0.6 meters. Lub dav ntawm lub sab flange - 0.7 meters. Nws yuav tsum muaj ib yam ob npaug rau-tee qhov ntev ntawm lub beam. GOST 19425-74.

Podstropilnaya reinforced truss

Qhob podstropilnye truss siv nyob rau hauv pitched ru tsev ntaus ntawv. Muaj tus duab ntawm ib tug Trapezoid, nyob rau hauv uas ob koj cov menyuam: cov hauv qab - thiab lub kab rov tav hom - zij siv. Thaum lub caij, lub tseem ceeb yog bezraskosye ua liaj ua teb precast qhob.

Yuav kom muaj kev ruaj ntseg lub-ru tsev trusses kev pab txhawb nqa feem podstropilnyh ntsiab yog kho kom zoo. Rau nruab cov cover daim hlau yog muab nyob rau hauv lub khib kev txhawb zog. Racks thiab qis siv podstropilnoy ua liaj ua teb no yog ua los nrog pre-kev nyuaj siab. Siv rau zus tau tej cov pob zeb ntawm 300-500 hom.

Raws li nyob rau hauv lub embodiment ntawm lub girder yog muab hlau ntsiab kos nyob rau hauv podstropilnyh teb rau kho mus rau lub txhua thiab kev txhawb zog.

Steel beams podstropilnye

Steel tshuab muaj ib tug ntev ntawm 12 meters, 18 meters, 24 meters, 48 meters yuav tsum ua ntev. Structurally, lawv yog zoo li cov uas siv rafters. Nws muaj ob aav: sab sauv thiab sab. Upper rests nyob rau mounting rooj rau kem thiab tsau thereto los ntawm bolts. Lub sab beam siv yog txuas mus rau sab los ntawm txoj kev kab rov tav tuav.

Podstropilnaya steel truss

Ua thaum uas tig mus nrog lub Upper thiab qis koj cov menyuam. Length standardized thiab yog 12 meters, 18 meters, 24 meters. Nyob ntawm seb lub hom ru tsev truss, qhov siab podstropilnoy tsim yuav ua tau 3.13 meters, 3,27 meters thiab 3,75 meters.

Attaching mus rau lub kab yog nqa tawm siv nadopornyh tug ncej, raws li qhov uas lub-ru tsev trusses.

Tam sim no industrially thov sib siv steel hlau truss raug variations. Piv txwv li, ib tug tubular system los yog girder nrog nyias cov phab ntsa. Nrog rau qhov no tsim, cov ua liaj ua teb tsim ib tug sib zog, txo tau ntawm steel nyob rau hauv lawv cov kev siv thiab, lub sij hawm ntawm lawv cov installation yog txo.

Ntoo podstropilnye system

Lug ua los ntawm cov ntoo tsim los txhawb pab lawv truss system, muaj ib tug loj txaus lub zog thiab kuj mus ntau corrosive influences. Lawv yog cov yuav kav ntev thaum siv nyob rau hauv cov nroj tsuag nrog rau tej hom nrog rau kev hwm mus kub thiab humidity. Nyob rau hauv kev tsim kho kev lag luam, lawv yog siv nyob rau hauv vaj tse qhov twg muaj unfavorable rau cov ib puag ncig ntawm cov hlau thiab pob zeb ua.

Raws li cov constructive siab podstropilnye paub qhov txawv cov ntsiab nyob rau hauv daim ntawv ntawm:

• Kab teeb.
• Liaj teb.
• Arches.
• Ram.

Yog hais tias lub luv ntev ntawm lub tsev mus rau 18 meters, nws yog siv podstropilnaya ntoo kab teeb. Nyob rau hauv vaj tse qhov twg lub spans yog loj txaus - mus txog rau 30 meters, nws yog zoo dua siv ntoo podstropilnyh teb. Arches thiab ntoo ntas li podstropilnyh ntsiab yog tsis yog feem ntau siv.

Ntoo beam podstropilnaya

Nyob rau hauv qhov kev siv kev lag luam feem ntau siv beams, glued ua ke los ntawm cov laug cam. Tej designs yog zog npaum li cas thiab ntau check dua khoom khoom, raug ntawm ntau yam ntaub ntawv podstropilnyh beams. Cov khoom ntawm cov yam ntxwv laminated ntoo lug siv nyob rau hauv lub ntaus ntawv ntawm vov tsev systems. Tag nrho cov puag ncig ntoo mas loj dua kev nyuaj siab, tab sis lawv yog cov ntau ua tsis tau zoo rau laminated veneer lumber nyob rau hauv dabtsi yog khoov.

Ntawm splicing podstropilnoy ntoo kab teeb yuav pom nyob rau hauv cov kev yees duab hauv qab no.

Tus ntoo khaub lig-seem ntawm lub beam yog lub los yog I-beam. Lub Upper thiab qis koj cov menyuam podstropilnoy beams tej zaum yuav mus tib seem los yog Gable-sab saum toj siv thiab ib tug tsawg dua kab rov tav los yog tawg siv. Yog hais tias luv ntev ntawm 15 meters yog feem ntau siv I-beams thiab cov phab ntsa hauv lub laug cam los yog plywood thiab squared stiffening ribs.

Ntoo podstropilnaya ua liaj ua teb

Lub ntsiab ntaub ntawv rau qhov siv thiab ua cov ntoo trusses yog podstropilnyh tuav, ntsa los yog cav. Fastening lub ntsiab yog tau los ntawm kev txhais tau tias los ntawm cov hlau kho vajtse, daim hlau. Muaj coob leej ntau tus glued ntoo podstropilnye ua liaj ua teb. Koj cov menyuam ua los ntawm tas mus li dav. Nrog rau qhov no raug txoj kev, rau hauv lub xaus ntawm threaded txuas ntsiab nqa toothed spikes thiab zoo sib xws zoo li tus grooves. Nplaum yog thov rau tag nrho saum npoo ntawm lub sib koom tes, nias ntxiv siv cov ntsiab lus.

Tam ntoo beam ntsiab thiab podstropilnye ua liaj ua teb

Podstropilnye tam ntoo ntsiab nrog ib tug saib kom lawv amplification. Raws li siv qhov cuab lub zog steel los yog fiberglass. Fastens reinforcing qhov chaw hauv cov ntoo siv ib tug epoxy nplaum. Tej zaum siv prestressing qhov cuab lub zog.

installation

Txhim kho podstropilnyh beams thiab trusses yog ua raws li nram no. Podstropilnye reinforced beam ntsiab thiab ua liaj ua teb nrog kev pab los ntawm kos hlau qhov chaw uas welded ncaj qha mus rau thaum xaus phab ntsa ntawm txhua. Tau mus rau Mount lawv nyob rau lub bolts. Tam qhob los yog hlau console ntxhuav nyob rau hauv podstropilnyh khoom muaj nuj nqi raws li kev coj tus kheej cov chaw rau kev coj tus kheej ru tsev lug.

Steel trusses uas txuas mus rau ib sab ntawm cov hlau txhua nadkolonniku hauv qab chord. Nws qhov siab yog 0.7 m. Txhua lwm ua liaj ua teb sab sauv koj cov menyuam fastened. Trusses so rau lub rooj podstropilnyh teb thiab txuas mus rau lub kab ntawm lub patella.

Ntoo beam podstropilnye ntaus ntawv ru tsev yog raws li nram no (saib. Lub yees duab).

Txhim kho lub beams rau Gable ru tsev

Thaum muaj ob load-tau cov kabmob sab hauv phab ntsa, truss system yog mounted rau podstropilnye ntsiab nyob rau hauv lub tsev. Nyob rau hauv cov ntaub ntawv no, lawv cia siab rau lub sill, los ntawm racks ntawm cov laug cam, raws li zoo raws li sab hauv phab ntsa. Feem ntau, cov no yog cov ob podstropilnye beam lug tso nrog lub-ru tsev. Ii xws embodiment ntawm lub qhov siab ntawm lub slab mus rau lub ru tsev caj los ntawm 1.4 meters rau 2.5 meters. Nyob rau hauv cov ntaub ntawv no, nyob rau hauv lub ru tsev, ib tug txaus qhov chaw dawb, uas muaj peev xwm siv tau raws li ib lub nthab.

Podstropilnaya beam, los yog zawm, yuav mounted ncaj qha rau ntawm lub rafters nyob rau hauv lub cheeb tsam ntawm ib feem peb ntawm lub qhov siab ntawm lub qab nthab rau lub caj. Qhov kev xaiv no tso cai rau koj kom tau qhov ntim ntawm lub sab hauv qhov chaw nyob rau hauv lub ru tsev. Rafter, podstropilnaya system thiab ru tsev ntawm no ua si lub luag hauj lwm ntawm lwm cov phab ntsa thiab yam.

Rafter thiab podstropilnye beams yuav pom nyob rau hauv cov kev yees duab nyob rau hauv tsab xov xwm.

Ua ntej ntawm tag nrho cov, nyob rau hauv cov huab podstropilnye mauerlat stacked beams rau ob phab ntsa ntawm lub tsev. Nyob rau hauv lub embodiment ntawm lub tsev ntoo yog siv es tsis txhob mauerlat sab sauv yas cev. Kab teeb yuav tsum tau nruj me ntsis thaum uas tig mus rau txhua lwm yam, koj yuav xyuas no ntawm xab qhov kev ncua deb ntawm lub xaus diagonally. Kab teeb pw nrog ib tug protrusion ntawm tsawg kawg yog 0,5 meters nyob rau hauv lub tsev puag ncig ntug. Yog hais tias qhov ntev ntawm lub Rooj Tswjhwm Saib yog tsawg tshaj li uas yuav tsum tau rau ib tug nqaj, lub splice yog ua podstropilnyh kab teeb.

Ces tus nro cov ropes stacked ntawm tus kab teeb ntawm ob hnub thiab dlhos lawv los ntawm theem. Thaum ib tug deb ntawm ib 'meter' los ntawm lub teeb nyob rau nram qab no podstropilnaya beam. Tsis tas li ntawd cov lus dag nyob rau sab nraud ntawm lub Rooj Tswjhwm Saib. Nco ntsoov mus saib lawv tawm horizontally. Yog li teem tseg beam podstropilnye tag nrho ntev ntawm cov phab ntsa.

Dlhos lub laug cam protrusions tshaj ntawm cov phab ntsa, taub txua 0.5 'meter' rau txhua extremity ntawm lub beam, cov hlua yog ncav us txog. Nyob rau lub hauv paus beam ua ib lub cim rau cov hlua, pom tawm qhov tshaj xaus. Ntxiv rau podstropilnuyu system ntsia kabmob rafters.

Guests yuav podstropilnym lug

Rau lub chaw ua khoom ntawm Ferro-pob zeb ua designs thov podstropilnyh GOST 20372-2015, nkag mus rau hauv cov hlab rau 1 Lub ib hlis ntuj 2017. Raws li daim ntawv no, nws yog siv rau zus tau tej cov hnyav los yog khaub-ncaws nyias yam ntxwv qhob. Steel podstropilnye ua liaj ua teb ua nyob rau hauv raws li GOST 27579-88. Nws tau hais tseg thiab laminated double-tee qhov ntev ntawm lub beam. GOST 19425-74.