Video: Yuav ua li cas koj tsim ib tug pob zeb footing rau ib tug lawj?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Thaum koj nchuav qhob footings , tuav daim duab los qhia qhob daim ntawv raj txog 12 in. nce los ntawm hauv qab ntawm lub ko taw . Ua li no los ntawm kev ntsia ob sab ntawm lub raj mus rau qhov chaw ntawm daim phiaj tic-tac-toe ntawm 2 x 4s nyob rau sab saum toj ntawm lub qhov. Ces pov tseg qhob los ntawm lub raj mus rau hauv qab ntawm lub qhov.
Ib yam li ntawd, koj tuaj yeem nug, qhov tob npaum li cas cov pob zeb yuav tsum yog rau lub lawj?
Footings Feem ntau yuav tsum tau ncua hauv qab kab Frost kom tsis txhob hloov pauv thaum lub caij khov-thaw. khawb ko taw qhov tob txog 6 nti tob dua tshaj qhov xav tau. Sau rau hauv qab ntawm lub qhov nrog 6 ntiv tes ntawm pob zeb thiab muab cov pob zeb sib dhos nrog 2x4 lossis ntoo ncej.
Tsis tas li ntawd, ua li cas koj tsim ib lub lawj tsis muaj footings? Decks tsis muaj Footings Tsev ib loj lawj , uas txuas nrog lub tsev, yuav tsum tau ua rau lawj footings . Txawm li cas los xij, me me lawj , uas yog ob peb nti tawm hauv av, yuav tuaj yeem zaum ruaj ntseg ntawm cov pob zeb pob zeb. Lub thaiv yuav tsum tau ntxiv dag zog nrog ib co rebar los ntawm qhov chaw nruab nrab thiab Ready Mix Concrete.
Nyob rau hauv tas li ntawd, lub lawj posts yuav tsum tau teem rau hauv pob zeb?
A deck post yuav tsum ib txwm muab tso rau saum taw, tsis yog sab hauv qhob vim nws tuaj yeem tawg. Thaum twg qhob yog nchuav ib ncig a qab pos ua li no, cov ncej yuav rot vim noo noo buildup los ntawm cov av.
Kuv puas tuaj yeem siv lawj pier blocks es tsis txhob footings?
Pob zeb Pier Blocks rau Decks . A lawj pier block yog nyob rau hauv ntau txoj kev tsuas yog ib tug yooj yim version ntawm lub "precast foundation", ib tug foundation hom lees paub los ntawm lub tsev lis dej num. Lawv raug rau tag nrho cov kev cai tib yam li ib txwm ko taw , txawm tias tsis raug pov rau hauv qhov chaw.
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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