Dab tsi yog qhov txwv me me ntawm kab noj hniav ntawm phab ntsa masonry?
Dab tsi yog qhov txwv me me ntawm kab noj hniav ntawm phab ntsa masonry?

Video: Dab tsi yog qhov txwv me me ntawm kab noj hniav ntawm phab ntsa masonry?

Video: Dab tsi yog qhov txwv me me ntawm kab noj hniav ntawm phab ntsa masonry?
Video: Hnub no nyob xwb tsi muag dab tsi ua ces noj aub ua si 2024, Cuaj hlis
Anonim

Tam sim no tsab ntawm lub Masonry Standard Joint Committee (MSJC) 'Building Code Yuav tsum muaj rau Masonry Cov qauv txwv cov siab tshaj dav a kab noj hniav mus txog 4 1/2 nti. Ob qho xwm txheej thaum kawg yuav txiav txim siab pleev ntawm ib qho kab noj hniav -cov loj ntawm airspace (drainage qhov chaw) thiab qhov yuav tsum tau R-tus nqi ntawm lub phab ntsa.

Tsis tas li kom paub yog, dav npaum li cas yuav tsum muaj kab noj hniav phab ntsa?

Tom qab ntawd koj muaj a kab noj hniav uas tuaj yeem yog txhua yam ntawm 50 thiab 100 mm dav , thiab tom qab ntawd koj muaj nplooj ntawv sab nraud uas yog lwm 100 hli ntawm brickwork lossis blockwork. Lub tswv yim ntawm muaj qhov ntawd kab noj hniav yog txhawm rau tiv thaiv kom tsis txhob ya raws los ntawm cov tawv nqaij sab nraud thiab txav mus rau ntawm daim tawv nqaij sab hauv.

Tom qab ntawd, lo lus nug yog, dab tsi yog lub pob zeb kab noj hniav? A kab noj hniav yog hom phab ntsa uas muaj ib tug hollow center. Lawv tuaj yeem piav qhia tias muaj ob "hlawv" sib cais los ntawm qhov chaw hollow ( kab noj hniav ). Cov tawv nqaij feem ntau yog masonry , zoo li cib los yog cinder block. Masonry yog cov khoom siv absorbent thiab yog li maj mam nqus dej los nag lossis txawm tias cov av noo rau hauv phab ntsa.

Ua qhov no hauv kev txiav txim siab, peb yam yuav tsum muaj rau phab ntsa kab noj hniav yog dab tsi?

Muaj peb yam tseem ceeb rau kab noj hniav kev tsim kho: lub kab noj hniav yuav tsum muaj lub kwj deg ntawm nws lub hauv paus txhawm rau sau cov dej ntws tawm thiab cov dej ntws tawm kom ncaj qha dej tawm ntawm nws; ob qhov ntawm qhov phab ntsa yuav tsum tau anched ua ke nrog hlau ties uas yog corrosion resistant thiab muaj zog txaus; cov phab ntsa yuav tsum muaj ib

Qhov sib txawv yam tsawg kawg nkaus rau kab thaiv phab ntsa kab noj hniav yog dab tsi?

A kab noj hniav phab ntsa yog classed li 'nqaim' yog tus kis yog 40-49mm. Txuj phab ntsa kab noj hniav yog 50mm lossis dav dua, thiab tuaj yeem kho nrog cov pob zeb zoo ib yam rwb thaiv tsev . Ob hom kab noj hniav phab ntsa rwb thaiv tsev muaj pub dawb rau tej tsev neeg.

Pom zoo: