Cov pob zeb ua pob zeb zoo li cas?
Cov pob zeb ua pob zeb zoo li cas?

Video: Cov pob zeb ua pob zeb zoo li cas?

Video: Cov pob zeb ua pob zeb zoo li cas?
Video: Hmoob Qhia Tshuaj ntsuab : Zoo ntaus Tsib pob zeb&Raum pob zeb - by Niam Nraj xeeb Lis MN 2024, Kaum ib hlis
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Spalling qhob tau zoo li puag ncig los yog oval kev nyuaj siab nyob rau saum npoo los yog pob qij txha. Spalling Nws feem ntau tshwm sim nyob rau hauv cov huab cua txias thaum siv tshuaj de-icing los yog thaum caij ntuj sov-thaw cycles puas pob zeb.

Tom qab ntawd, spalling qhob txhais li cas?

Spalling - qee zaum tsis raug hu ua spaulding lossis spalding - yog qhov tshwm sim ntawm cov dej nkag mus rau hauv cib, pob zeb , lossis ntuj zeb. Nws yuam kom lub ntsej muag tev, tawm, lossis flake tawm. Nws kuj tseem hu ua flaking, tshwj xeeb tshaj yog hauv cov limestone. Spalling tshwm sim hauv pob zeb vim muaj dej nyob hauv pob zeb.

Qhov thib ob, vim li cas kuv cov pob zeb tawg? Pob zeb Nto Peeling. Teeb meem: Yog tias txheej tuab ntawm cov nplaim paj pob zeb slab yog tev tawm, nws tuaj yeem tshwm sim los ntawm ob qho kev teeb tsa tsis raug. Qhov no tiv thaiv cov pob zeb los ntawm curing kiag li thiab tsim ib tug tsis muaj zog nto. Qhov saum npoo ces peels thaum nws raug siv siab, kev ntxhov siab lossis khov-thaw.

Tsuas yog li ntawd, puas yog pob zeb spalling txaus ntshai?

Spalling yog ib qho tshwm sim ntawm cov dej ingress uas ncav mus rau hauv cov qauv ntawm cov vaj tse ua rau nto tev los yog flaking vim ya raws nyob rau hauv lub pob zeb . Underestimating qhov kev puas tsuaj tshwm sim los ntawm spalling yog txaus ntshai . Yog tias tsis quav ntsej, nws yuav ua rau kev kho kim kim dua thiab txawm tias raug txim lub tsev.

Puas tuaj yeem kho pob zeb tawg?

Kho Crumbling Concrete . Pob zeb tsuas yog pob zeb dag xwb. Yog tias nws sib xyaw, tso, ua tiav thiab kho kom raug nws tau dhau 100 lossis ntau xyoo. Txhawm rau ntxiv ib thaj me me ntawm pob zeb uas yuav tsis tshaj 3/8-inch tuab, txhua tus koj ua yog sib tov ntxhib huv xuab zeb nrog Portland cement.

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