Txawm tias lawv qhov zoo,cement ntawv hnabmuaj cov teeb meem tseem ceeb uas txwv tsis pub lawv siv hauv qee qhov xwm txheej:
Tsawg Moisture Resistance
Txawm tias cov ntaub ntawv / txheej txheej, daim ntawv tsis muaj dej tsis txaus- ntev ntev los nag los yog dampness yuav saturate daim ntawv, ua rau kua muag thiab cement hydration.
Tsawg Durability
Daim ntawv kua muag tau yooj yim yog punctured (xws li, los ntawm cov cuab yeej ntse ntawm qhov chaw tsim kho) lossis overloaded (lub hnab ntim tsis tau ntau tshaj 50 kg yam xyuam xim).
Tej yam tsis zoo
Kev thauj 1 tuj ntawm cov cement yuav tsum tau 20 x 50 kg ntawv hnab -qhov no tsis tshua muaj txiaj ntsig ntau dua 1 lub hnab super (uas tuav 1-2 tons), nce nqi thauj mus rau cov haujlwm loj.
Tib -Siv
Cov hnab ntawv feem ntau yog tsim los rau ib qho kev siv (cov ntawv tsis muaj zog tom qab sau / khoob, thiab cov ntaub ntawv feem ntau puas thaum qhib).
