Video: Yuav ua li cas yog cov pob zeb ntub dej heev?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Thaum twg muaj ib yam nkaus dej ntau hauv pob zeb , muaj ntau dua shrinkage nrog muaj peev xwm rau ntau qhov tawg thiab txo compressive zog. Raws li txoj cai dav dav, txhua nti ntxiv ntawm kev poob qis qis zog los ntawm kwv yees li 500 psi.
Xav txog qhov no, cov pob zeb puas yuav qhuav yog tias ntub dhau?
Ib qho mix uas yog ntub dhau tej zaum yuav zoo qhuav los ntawm kev ntxiv cement , tab sis tsis txhob xav tias muaj yuav tsis yog yuav tshwm sim. Qhuav shrinkage ua ib. Tsis tas li, yog tsuas yog sab saum toj ntawm slab yog raug rau qhov sib ntxiv, ces hauv qab yuav ua tsis muaj zog. Thirdly, koj tso cai rau cement pib reacting nrog cov dej sib tov.
Tsis tas li ntawd, lub pob zeb tshiab yuav tsum khaws cia ntub ntev npaum li cas? cav 7d
Tsis tas li lo lus nug yog, yuav ua li cas yog tias mortar ntub dhau?
Cug yog ntub dhau yuav khiav tawm ntawm cov pob qij txha. Yog nws yog ib yam nkaus qhuav, daim ntawv cog lus yuav tsis muaj zog. Cia tus mortar sawv ntsug li 5 feeb, ces sib tov dua ua ntej siv nws. Yog qhov sib tov yog soupy, txo tus nqi ntawm cov dej.
Yuav ua li cas yog pob zeb qhuav dhau lawm?
Yog nws qhuav ib yam nkaus sai sai, nto ntawm lub pob zeb yuav tsis muaj zog, thiab yuav raug spalling. Spalling tshwm sim thaum ib tug qaug zog nto txheej ntawm pob zeb tso cai rau dej nkag mus. Cov dej khov thiab tawg tuaj ntawm qhov chaw pob zeb.
Pom zoo:
Koj yuav ua li cas thiaj li ua cov pob zeb ua pob zeb?
Trowel cov nplaim du nto nrog steel trowel tom qab nws ib nrab tawv. Tuav lub trowel yuav luag tiaj thiab viav vias nws hauv cov kab sib tshooj loj loj thaum siv qhov siab. Float lub pob zeb thaum koj ua tiav grooving thiab edging (Duab 6)
Yuav ua li cas koj hloov cov pob zeb qub rau cov pob zeb tshiab?
Laum 5/8-inch inch qhov 6-inch tob rau hauv cov pob zeb qub. Yaug cov qhov nrog dej. Txhaj epoxy rau hauv qab ntawm lub qhov. Ntxig 12-nti ntev ntawm rebar rau hauv lub qhov, twisting lawv los xyuas kom meej ib tug txawm txheej ntawm epoxy nyob ib ncig ntawm lawv ncig thiab raws lawv ntev nyob rau hauv lub qhov
Yuav tsum sib nrug deb npaum li cas cov pob zeb ua pob zeb?
Stake 4 nti (10.2 cm) slabs qhov tsawg kawg nkaus ntawm 32 ntiv tes (81.3 cm) ntawm qhov chaw, thiab sib sib zog nqus txaus los txhawb nqa daim ntawv, nyob ntawm qhov ruaj khov ntawm cov av hauv qab daim ntawv. Rau cov slabs tuab, txo koj cov ceg txheem ntseeg sib nrug, 12 nti (30.5 cm) slab yuav tsum tau staked tsis ntau tshaj 24 ntiv tes (61.0 cm) ntawm qhov chaw
Cov hnab pob zeb puas tuaj yeem ntub dej?
Cov cement qhuav qhuav tuaj yeem ua rau hauv lub hnab yog tias tsis khaws cia zoo. Cov hmoov sib tov yog cov hmoov qhuav hauv lub hnab, tab sis yog tias cov hmoov ntub dej, nws hardens los ntawm cov txheej txheem hu ua hydration los ua ib qho kev ruaj khov, ruaj khov. Cov dej noo tuaj yeem nkag mus rau hauv cov hnab cement yog tias cov hnab ntim khoom tsis raug
Puas yog pob zeb ntub ntub?
Polished pob zeb yog (feem ntau) TSIS nkim thaum ntub. Txoj kev uas cov dej cuam tshuam nrog qhov ntxeem tau ntawm qhov chaw tuaj yeem muab me ntsis tuav ntxiv rau ib tus khau. (Los ntawm tib lub token, txawm li cas los xij, qhov ntxeem tau ntawm cov pob zeb polished txhais tau hais tias dej tsis so yooj yim, tawm hauv qhov chaw ntub dej ib ntus.)