Konkriti ndi gawo lalikulu la anthu. Kutuluka kwa konkriti kwayamba kusinthika m'mbiri ya mamangidwe a anthu. Kugwiritsa ntchito ma acretecting'onoting'ono konkriti ndi kusintha kwakukulu pakupanga konkriti.
Zomera zapanga kupanga konkriti yomanga yomanga njira yopita kumsewu wa mafakitale ndi kuteteza. Izi zimaperekanso patsogolo zambiri pa chiwongolero chokhazikika cha zolondola, zomwe zimapangitsa kusintha kwakukulu kwa mtundu wa konkriti m'zaka zaposachedwa. Nthawi yomweyo, chifukwa chaukadaulo wowongolera mu konkriti wina wosakirana wina wosakirana, wabweretsa zoopsa zobisika, ndipo adawonekera. Ngozi yabwino kwambiri yomwe sinakumana nayo m'zaka zoposa 20 yapangitsa kutayika kwachuma.
Zinthu zazikulu zomwe zimapangitsa kusagwirizana pakati pa Admixtive ndi simenti:
Kuchita konkriti kumadalira kokha pa ntchito ya zodzikongoletsera, komanso pa zomwe zimasinthidwa pakati pa zinthu ndi konkriti kosakaniza. Ma adkixtive (Chinyengo chamadzi) sichigwirizana ndi simenti, ndiye kuti ma addictures sakusintha kwambiri mu ziyeso zolondola.
Monga gawo lachisanu la konkriti, maakaunti osakaniza pang'ono pang'ono, koma ili ndi mphamvu zambiri pa konkriti, zomwe zimapangitsa nthawi yotsika ya konkriti, potengera nthawi yomanga konkriti kapena mtengo wopulumutsa . Kutsatira kwa ma simenti kumafunikira ochepera 25% ya madzi a simenti, koma pomwe simenti imakumana ndi madzi, ipanga malo osungira madziwo. Kuphatikiza kaphatikizidwe kumatha kuwongolera koyambira pa tinthu tating'onoting'ono tating'onoting'ono tinthu tating'onoting'ono tating'onoting'ono tomwe timalekanitsa chifukwa cha ziyeso zokutidwa ndi ma simenti ogundidwa ndi sitepe, choncho Madzi ambiriwa amathanso kuchita nawo mankhwala othandiza. , sinthani ntchito. Kukula kwa adsorption wa simenti tating'onoting'ono kuphatikizika ndi kutayika kwa mphamvu ya kuphatikizika kumawonetsa kusintha kwa sitementi.
Vuto la kusagwirizana ndi simenti ndi vuto lomwe limadetsa nkhawa komanso mutu kwa opanga maluso a konkire. Mavuto atachitika, pamapeto pake amadzudzulidwa pachimake. Kusagwirizana pakati pa kubereka ndipo simenti imayambitsidwa ndi kuphatikizika komwe kumachitika. Zinthu za kapangidwe kabwino ndi mankhwala, koma chifukwa chachikulu chimagwirizana ndi zinthu monga simenti ndi othandizira panderplastic acid.
Post Nthawi: Jul-19-2022
