Cov txheej txheem:
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Ncuav pob zeb ntau dua ib qho khoom, zoo-drained puag
Vim pob zeb slabs "float" ntawm tus av , cov av mos los yog cov voids hauv qab yuav ua rau cov chaw tsis muaj kev txhawb nqa tawg hauv qhov hnyav zoo li tsheb. Ntim txog 4 nti ntawm xuab zeb los yog gravel dhau av nplaum thiab lwm cov av tsis zoo los muab kev txhawb nqa.
Ib yam li ntawd, nws tau nug, nws puas yog qhov zoo rau nchuav pob zeb rau hauv av?
Cov av nplaum tuaj yeem ua raws qhov hnyav ntawm pob zeb , ua rau lub slab hloov los yog dab dej thaum lub sij hawm. Nws kuj tseem tuaj yeem nqus dej noo los ntawm pob zeb nws tus kheej, ua rau tsis sib xws curing thiab nkig puag. Nrog kev npaj kom raug, txawm li cas los xij, nws muaj peev xwm ua tau ncuav ib qho slab ntawm av nplaum av tsis ntsib teeb meem no.
Ib tug kuj yuav nug, dab tsi yog qhov zoo tshaj plaws puag rau pob zeb slab? Subgrade thiab subbase yog lub hauv paus ntawm lub pob zeb pob zeb thiab ua lub luag haujlwm tseem ceeb hauv nws qhov kev ua tau zoo. Raws li ACI Code, cov subgrade yog ib qho kev cog lus thiab txhim kho cov av zoo dua los yog coj mus rau hauv qhov chaw subbase yog ib txheej ntawm pob zeb muab tso rau saum lub subgrade.
Tsuas yog li ntawd, koj puas tuaj yeem ncuav pob zeb hla nyom?
Pheej yig thiab ntau yam thiab yooj yim rau ncuav , pob zeb yuav zaum kawg koj xyoo dhau txoj kev. Koj muaj peev xwm ncuav nws tsuas yog hais txog txhua qhov chaw-xws li ntawm tus nyom . Txawm hais tias nws yuav siv sij hawm me ntsis ua haujlwm, ncuav pob zeb hla nyom los tsim txoj kev taug kev ntawd koj ib txwm xav los yog hais tias mowing tiv thaiv koj ua tau yav tas los tsuas yog npau suav txog.
Koj npaj av li cas rau pob zeb?
Kev npaj yog qhov tseem ceeb tshaj plaws ntawm kev muab cov pob zeb ua pob zeb
- Khawb av mus rau qhov tob kom zoo.
- Smooth tawm hauv av nrog rau sab tiaj tus ntawm ib tug rake kom koj muaj ib theem nto.
- Tamper hauv av nrog txhais tes tamper lossis mechanical tamper.
- Ncuav 2 ntiv tes me me, sib npaug gravel rau cov dej xav tau ntxiv.
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
Koj puas tuaj yeem khiav cov kab roj hauv qab lub pob zeb pob zeb?
Raws li IFGC Cov Lus Qhia, koj tuaj yeem nruab cov kav dej hauv cov pob zeb ua pob tsuas yog nws tau nruab rau hauv qhov qhib channel lossis kaw cov kav dej uas tsis muaj corrosive. Qhov tsuas yog kev sib tham txog qhov loj me yog hais txog cov kav dej txuas ntxiv tsawg kawg 2 ″ dhau los ntawm cov nplais thiab cov kav dej tuaj yeem kaw nruj nreem
Koj puas tuaj yeem muab cov pob zeb zoo nkauj tshaj cov pob zeb uas twb muaj lawm?
Koj tuaj yeem ua pob zeb tsuas yog thaum nws tseem ntub los ntawm lub ncuav. Txhawm rau ntxiv kev ntxhib los mos rau lub patio uas twb muaj lawm, ncuav ib txheej tshiab ntawm pob zeb tshaj qhov qub thiab stamp nws, muab cov patio uas twb muaj lawm yog qhov zoo. Koj tuaj yeem ua rau pom qhov zoo ntawm cib ua haujlwm dhau ntawm qhov chaw ua vaj tse tshiab
Kuv puas tuaj yeem tso pob zeb rau saum pob zeb?
Yog lawm, koj tuaj yeem ncuav lub pob zeb ua pob zeb sib tshooj dhau ntawm lub pob zeb uas twb muaj lawm. Koj yuav tsum xav txog qhov ntxiv qhov siab thiab qhov hnyav ntawm qhov sib tshooj ntawm cov qauv uas twb muaj lawm. Overlays yuav muaj xws li polymers, portland cement pob zeb, lossis epoxy. Koj yuav tsum txhim kho cov dej ntws ntawm cov slab los ntawm kev muaj txoj kab nqes zoo ntawm qhov sib tshooj
Koj puas tuaj yeem ncuav lub pob zeb ua pob zeb hauv cov ntu?
Ncuav cov pob zeb ua ntu me me Thaum lub tsheb thauj khoom mus txog qhov kawg ntawm ntu, nthuav cov pob zeb ua kom sib npaug, thiab kov siab dua li daim ntawv, nrog rau lub laj kab tso pa/rake. Tsis txhob sau tag nrho daim foos lossis ntu ntu loj vim tias cov pob zeb ntawm cov pob zeb ntxiv koj yuav rub rov qab nrog lub rooj tsav tsheb screed yuav hnyav heev