Beam Rau Formwork: Qib Rau Slab Formwork, Ntoo I-beam Thiab Lwm Yam, Nrug Nruab Nrab Ntawm Kab Teeb

Cov txheej txheem:

Video: Beam Rau Formwork: Qib Rau Slab Formwork, Ntoo I-beam Thiab Lwm Yam, Nrug Nruab Nrab Ntawm Kab Teeb

Video: Beam Rau Formwork: Qib Rau Slab Formwork, Ntoo I-beam Thiab Lwm Yam, Nrug Nruab Nrab Ntawm Kab Teeb
Video: EP - 12 | Shuttering / Formwork Calculation | Slab | Beam | Column | Quantity Surveying Programme 2024, Tej zaum
Beam Rau Formwork: Qib Rau Slab Formwork, Ntoo I-beam Thiab Lwm Yam, Nrug Nruab Nrab Ntawm Kab Teeb
Beam Rau Formwork: Qib Rau Slab Formwork, Ntoo I-beam Thiab Lwm Yam, Nrug Nruab Nrab Ntawm Kab Teeb
Anonim

Los ntawm nws qhov kev tsim, I-beam muaj 2 flanges ua ke thiab ib lub khib cais lawv. Cov rhawv zeb feem ntau yog ua los ntawm cov ntoo mos muag, thiab cov racks yog ua los ntawm laminated veneer lumber lossis plywood, muaj cov khoom lag luam los ntawm lwm cov ntaub ntawv. Thaum lub sijhawm teeb tsa, kab teeb tau txuas rau ib leeg siv qhov txuas tshwj xeeb thorn-zawj thiab ntxiv nrog cov nplaum. Cov txheej txheem ntawm kev sib txawv nyuaj thiab teeb tsa tau sib sau los ntawm lawv, yog li ntawd, ua ntej kev teeb tsa, nws yog ib qho tseem ceeb heev los kawm txog hom thiab txheej txheem ntawm kev siv kab teeb rau kev ua haujlwm.

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Hom kab teeb rau kev ua haujlwm

Cov kab teeb uas nrov tshaj plaws nyob hauv tsev hu ua BDK-1. Cov txee rau lawv yog ua los ntawm ntoo thuv lossis spruce, tsawg dua ntawm cov ntoo tawv. Rau kev tsim cov racks, tshwj xeeb birch veneer plywood tau siv, uas tiv tau zoo cuam tshuam los ntawm kev ntub dej thiab noo noo.

Beams ntawm European ntau lawm yog ntawm 2 yam tseem ceeb:

  1. UNI - lub khib yog ua los ntawm plywood, thiab cov rhawv zeb yog ua los ntawm cov ntoo mos mos, feem ntau yog spruce;
  2. OPTI - cov txee kuj tau ua los ntawm ntoo coniferous (spruce lossis ntoo thuv), thiab rau kev tsim cov racks, LVL yog siv los ntawm cov nplaum ntoo.
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Kuj tseem muaj lwm hom khoom lag luam

  • Hlau thiab yas kab teeb . Feem ntau lawv tau siv hauv kev tsim cov ntawv ua haujlwm rau nchuav lub hauv paus, ntxiv rau thaum tsim cov plag tsev.
  • Cov ntoo khaub lig thiab kab teeb nrog cov ntu sib txawv (duab plaub, tee, lattice) . Cov khoom lag luam ntau yam, ntawm cov kws tshaj lij kev tsim khoom, raug txiav txim siab ntau dua li tus qauv ntoo I-kab.

  • Leveling I-kab teeb . Lawv tau siv los txhawm rau hloov lossis teeb tsa qhov raug ntawm cov qauv txheej txheem. Tsis tas li ntawd, lawv tau siv rau qib phab ntsa, kaum, plag tsev, faib khoom.

Yuav luag txhua hom kab teeb, tsis hais tus tsim khoom, yog daj. Cov av noo nyob ntawm 9 txog 13%, thiab qhov ntom ntawm cov khoom yog 460-680 kg ib cubic meter. Qhov hnyav ntawm tus ntsuas ntsuas ntawm tus qauv Lavxias ua ntoo nqaj yog 6 kg, European - los ntawm 5 txog 5.5 kg.

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Cov ntaub ntawv tsim khoom

Cov khoom siv ntawm kev tsim khoom raug xaiv nyob ntawm seb hom kev tsim kho, hom kev tsim kho ua haujlwm thiab cov xwm txheej rau lawv siv. Raws li txoj cai, cov kws tshaj lij txiav txim siab qhov tsim nyog hloov pauv ntawm qhov profile ntawm tus kheej, vim tias txhua yam khoom siv muaj cov yam ntxwv sib txawv.

Cov kab teeb ua haujlwm tau tsim los ntawm cov khoom sib txawv

  • Ntoo - peev txheej kev xaiv thoob ntiaj teb uas haum rau ntau hom haujlwm. Cov txheej txheem txheej txheem ua los ntawm cov kab ntoo ua kom muaj qhov nqaim me me, ua tiav raws li txhua tus qauv txheej txheem thiab cov tseev kom muaj. Thaum lub sijhawm tsim khoom, ntoo tau txais kev kho tshwj xeeb - nws tau qhuav kom huv thiab tsis muaj cov tshuaj tshwj xeeb sib xyaw.
  • Hlau . Cov khoom zoo li no kim dua, tab sis lawv ua tau ntev thiab ntseeg tau. Cov nqaj hlau tsis raug rau kev hloov pauv txawm tias tom qab siv ntev, lawv muaj kev siv ntau dua. Txawm li cas los xij, vim tias tus nqi siab, lawv feem ntau tsuas yog siv los ntawm cov koom haum tsim kho loj thaum ua haujlwm loj.
  • Txhuas Qhov tseeb, tsuas yog qib kab teeb yog ua los ntawm txhuas. Lawv yooj yim rau nruab thiab hnyav, txawm hais tias qhov no, lawv muaj cov qib siab ntawm kev nyab xeeb, ntseeg tau thiab ruaj khov. Tsuas yog qhov tsis zoo ntawm cov khoom txhuas yog tias thaum tawg thiab deformation, lawv tsis tuaj yeem kho thiab rov kho dua.

  • Yas Yas I -kab teeb tau siv, raws li txoj cai, tsuas yog tsim los ntawm cov tuam txhab ntiag tug thiab pab pawg me - rau kev tsim kho cov tsev pabcuam thiab kev tsim vaj tsev hauv tsev, hauv kev tsim tsev hauv tebchaws lossis tsev sov lub caij ntuj sov. Cov kab yas yas yog kim dua ntoo, tab sis lawv yooj yim dua rau nruab - lawv hnyav dua qhov hnyav, sib sau ua ke tau sai dua, thiab tsis raug rau kev hloov pauv. Monolithic cov qauv tsim nrog yas ua kom tawv tawv dua.
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Tsis hais txog ntawm cov khoom siv, txhua I-kab teeb tau tsim nrog ntu ntu ntev, thiab thaum teeb tsa, lawv xav tias muaj kev sib cuag nrog tsawg kawg ob lub ntsiab lus thauj tog rau nkoj.

Cov ntawv thov

I-kab teeb thiab lwm hom kab teeb raug siv tsis yog tsuas yog tsim cov txheej txheem ua haujlwm, tab sis kuj tseem siv rau kev tsim kho ntau yam kev tsim vaj tsev nyob hauv daim ntawv ntawm phab ntsa, kev faib ua feem, hauv plag lossis kab.

Cov kab teeb ua haujlwm tau siv rau ntau hom kev tsim ua haujlwm, cov txheej txheem ntawm cov ntsiab lus no tau siv rau kev tsim kho:

  • vaj tse nyob;
  • cov tsev pabcuam hauv cov chaw ua liaj ua teb;
  • cov chaw lag luam loj thiab me me;
  • warehouses thiab hangars;
  • tunnels thiab txuas hniav;
  • ntau yam kev tsim ntawm txoj kev teeb tsa.
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Cov neeg nyiam siv dav tau piav qhia los ntawm kev yooj yim ntawm kev thauj mus los thiab teeb tsa, lub sijhawm siv, ntau yam . Kev siv kab teeb tso cai kom tau txais cov tiaj tiaj thiab du, ua kom ntseeg tau qib siab ntawm kev muaj peev xwm ntawm lub peev xwm ntawm cov qauv sib dhos.

Mounting

Thaum sib dhos cov qauv tsim, txhua qhov kev xav tau ntawm thev naus laus zis yuav tsum tau ua nruj me ntsis, nrog rau cov cai rau kev teeb tsa kev ua haujlwm yuav tsum raug coj mus rau hauv tus account, nyob ntawm seb hom khoom thiab cov khoom siv ntawm nws cov khoom siv.

Cov txheej txheem rau kev txhim kho cov txheej txheem formwork los ntawm kab teeb:

  • lub chaw tab tom npaj - cov khib nyiab raug tshem tawm thiab qhov chaw ntawm qhov chaw tau raug kho;
  • tau txhawb nqa cov tripods - qhov kev ncua deb ntawm lawv yuav nyob ntawm qhov nyuaj thiab qhov hnyav ntawm tag nrho cov kab ke, tab sis txhua qhov xwm txheej nws yuav tsum tsis pub tshaj 1.5 meters;
  • racks nrog cov tuav tau nthuav tawm, uas cov kab teeb yuav ncaj qha txuas nrog;
  • thawj tus ntoo khaub lig ntev tau muab ntsia, thiab nyob rau sab saum toj ntawm lawv yog kev hloov pauv, thaum nws yog qhov tseem ceeb los tswj tib theem teeb tsa - 50-60 centimeters;
  • txoj kab thaiv sab ntsug tau teeb tsa ntawm kab teeb, qhov nqes nruab nrab ntawm tus kheej cov khoom raug kaw nrog yas qhwv;
  • kab thaiv kab rov tav tau tso, nrog kev pab los ntawm qib tsev, lawv lub dav hlau raug kho thiab ua kom zoo.
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Thaum txhim kho, nws yog ib qho tseem ceeb uas yuav tsum coj mus rau hauv tus account tias txhua lub hauv paus ntsiab lus tau tsim los rau qee yam kev thauj khoom . Thaum nchuav cov pob zeb sib xyaw ua ke, kev tsis ua raws cov qauv tuaj yeem ua rau deformation thiab ua tsis tiav ntawm tag nrho cov kab ke.

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