Video: Kuv yuav siv dab tsi rau cov ntawv pob zeb?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Ntoo cov ntawv ua vaj tse yog qhov dav tshaj plaws siv txoj kev rau ua pob zeb slabs, patios, driveways, walkways koj npe nws.
Yog li ntawd, koj siv dab tsi rau cov ntawv pob zeb?
BBOES: BBOES yog kev ua vaj tse plywood ua los ntawm Fir ntoo. Nws yog ib tug nrov thiab dav siv tshuaj rau kev ua vaj tse . Nws yog ib qho ruaj khov, siab zog 7 ply Fir veneer. Cov txheej txheem sab nraud yog qib B, thiab yog sanded muab rau ib tug du tiav ntawm lub pob zeb.
Tsis tas li ntawd, kuv puas tuaj yeem siv 2x4 rau cov ntawv pob zeb? A 2x4 ua siv rau ua qhov no los yog qib ntoo. Nco ntsoov ntxuav cov qib thaum koj ua tiav. Nco ntsoov tamp lub pob zeb nyob rau hauv cov ces kaum ntawm lub daim ntawv thiab nyob rau hauv lub teb daim ntawv . Siv qib or 2x4 ua uas spans ntawm ntug mus rau ntug mus rau "screed" nto tiaj tus.
Ib yam li ntawd, tib neeg nug, siv dab tsi los ua kom cov pob zeb tsis ua raws li daim ntawv?
Txhua hom roj yuav tiv thaiv pob zeb los ntawm kev lo rau ntoo. Txau qhov chaw uas yuav ntsib cov ntub dej pob zeb nrog ib tug hnyav saturation ntawm roj. Cia cov roj nkag mus rau ntoo rau 15 mus rau 20 feeb. Thov ib tug thib ob hnyav txau ntawm cov roj ua ntej pouring pob zeb.
Dab tsi ntawm plywood yog siv rau cov ntawv pob zeb?
Zoo ib yam sab nrauv hom APA vaj huam sib luag tuaj yeem yog siv rau pob zeb formwork vim tias tag nrho cov vaj huam sib luag zoo li no yog tsim los nrog cov nplaum nplaum nplaum. Rau kev ua vaj tse tus plywood kev lag luam tsim cov khoom tshwj xeeb hu ua Plyform®, uas yog pom zoo rau feem ntau tsim kev siv.
Pom zoo:
Yuav ua li cas yog qhov tsawg kawg nkaus pob zeb npog nyob rau hauv mm ntawm ib tug cam khwb cia nyob rau hauv qhov chaw pob zeb tso tawm tsam thiab mus tas li raug rau lub ntiaj teb?
Table-1: Yam Tsawg Npog Thickness rau Cast-in-Place Qhob Hom kev tsim ua vaj tse hla, hli Qhob nrum tiv thaiv thiab txuas mus tas li nrog hauv av 75 Pob zeb sib chwv nrog av lossis dej No. 19 txog No. 57 tuav 50 No. 16 bar thiab me dua 40
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