Yuav tsum muaj pob zeb slab tawg?
Yuav tsum muaj pob zeb slab tawg?

Video: Yuav tsum muaj pob zeb slab tawg?

Video: Yuav tsum muaj pob zeb slab tawg?
Video: Hauv tshuaj kho cov neeg muaj pob zeb nyob hauv lub raum 10/2/2021 2024, Kaum ib hlis
Anonim

Raws li cov slab poob dej thaum kho nws tau me ntsis me ntsis. Raws li cov pob zeb shrinks, ua slab ua tau tawg txhawm rau txo kev ntxhov siab. Lub shrinkage tawg muaj ntau thiab tuaj yeem tshwm sim ntxov li ob peb teev tom qab qhov slab tau nchuav thiab tiav lawm. Feem ntau lawv tsis yog kev hem thawj rau cov qauv.

Hais txog qhov no, puas yog pob zeb slab tawg ib txwm?

LUS TEB: Txhua pob zeb slab muaj tawg . Thiab vim pob zeb tsis yog cov khoom siv elastic, tawg yog inevitable thiab tsis tshua muaj kev txhawj xeeb. Tsuas yog cov tawg hauv koj pem teb yog ib feem yim ntawm ib nti lossis dav dua, lawv yog qhov tshwm sim ntawm ib txwm kev ntxhov siab, raws li cov ntaub pua plag tau hais.

Ib tug kuj yuav nug, dab tsi yog cov pob zeb ua puas tau? Hauv peb CFA Standard, peb tshwj xeeb hu tawm tias qhov siab tshaj plaws tso cai tawg rau lub hauv paus phab ntsa dav yog 1/8 nti vim dej thiab dampproofing tau yooj yim hla qhov dav. Sab nrauv Slabs: Nruab nrab pob zeb shrinks txog 0.06%, yog li tshwj tsis yog muaj kev tswj cov pob qij txha, tawg yog inevitable.

Ib tug kuj tseem nug, yuav ua li cas yog tias lub hauv paus slab tawg?

Kev daws teeb meem tawg hauv a slab qhia txog qhov chaw npaj tsis txaus, xws li kev ua tsis tiav ntawm kev sib sau ua ke uas a slab tau nchuav. Frost heaves lossis expansive av puas tuaj yeem ua rau muaj kev puas tsuaj loj rau hauv qab daus, qhov chaw nkag, lossis chaw nres tsheb hauv pem teb slabs nyob rau hauv tej yam kev mob.

Puas yog cov pob zeb tuab tsawg dua yuav tawg?

cov lus teb yog ob los yog kuv yuav tsum hais ib yam, tab sis kuj muaj ib qho ntxiv, tsawg dej, los yog super plastizers. los ntawm thicking li lub slab koj yog tsim ntau kuj rau dabtsi yog khoov los ntawm load yam thiaj li tsawg tawg . ntxiv ntxiv cement nce lub psi thiab nws cov kev tiv thaiv ntau dua rau khoov los ntawm cov khoom thauj khoom, tsawg tawg.

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