Abubuwan Kariyar Kankare Masu Sauƙi | Mahimman Ayyuka Masu Kumfa don Kankalin Salon salula
Kankare psi shine daidaitaccen ma'auni da aka yi amfani da shi don ƙarfin matsi na gaurayawan kankare. Lamba mafi girma yana nufin siminti ya fi ƙarfi kuma zai daɗe. Duk da haka, yana iya zama mafi tsada.
Kankare yana da ƙarancin ƙarfi, wanda ke haifar da tsagewa lokacin da ake fuskantar damuwa. Don shawo kan wannan, an ƙarfafa shi da kayan da ke da ƙarfin ƙarfi, kamar karfe.
Menene PSI na Babban Farko Kankara?
Babban ƙarfin farko da kankare, wanda kuma aka sani da kankare mai sauri, wani nau'in siminti ne wanda ke samun ƙayyadaddun ƙarfinsa a farkon shekaru idan aka kwatanta da siminti na yau da kullun. Ana iya haɓaka ta ta hanyar amfani da wasu abubuwan da aka gyara, musamman admixtures, da concreting ayyuka. Wannan ya haɗa da amfani da nau'in siminti na Portland na III wanda ke saurin amsawa, accelerating admixtures, ƙasa granulated fashewa tanderun slag, ƙarin siminti, autoclave curing, da kuma rufi na kankare don riƙe zafi na hydration.
Ƙarfin haɓakar siminti na farko yana ba da damar yin amfani da shi a cikin yanayin sanyi lokacin da sauran nau'ikan siminti za su jira zafin zafi don dumama.. Wannan zai iya taimakawa wajen rage farashin gine-gine da kuma rage yawan jadawalin aikin.
Akwai hanyoyi guda tara don haɓaka ƙarfin farko na siminti amma duk banda ɗaya daga cikinsu yana da kyau ga karko. Ƙara kyawun siminti yana ƙara ƙarfin farko amma yana da ninki uku: yana haifar da amsawar alkali-silica (ASR), yana ƙasƙantar da ilimin halittar jiki na calcium silicate hydrate wanda ke rage ƙarfin damuwa, kuma yana sanya simintin ya kara karye wanda zai iya haifar da tsagewa.