Menene Admixture Don Ƙarfin Farko?


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(Menene Admixture Don Ƙarfin Farko?)

Menene admixture don ƙarfin farko?

Ƙara ƙarfin farko na kankare shine buƙatun ginin gama gari. Za'a iya amfani da Kankare tare da ƙara ƙarfin farko don sake amfani da sigar sauri, simintin siminti don samar da abubuwa cikin sauri, ginin simintin-in-wuri mai sauri da gyare-gyare cikin sauri na pavements.

Admixtures sune sunadarai waɗanda ke canza kaddarorin siminti don haka ya fi dacewa da aikace-aikacen. Yawancin lokaci ana ƙara su zuwa gaurayawan kankare nan da nan kafin ko lokacin haɗuwa.

Abubuwan da ke rage ruwa suna rage ma'aunin siminti na ruwa (w/c) da kuma ƙara ƙarfin farkon simintin, amma ana iya amfani da wasu abubuwan da ake amfani da su don inganta filastik da taurin. Wadannan admixtures yawanci an tsara su don kasuwanci da aikace-aikacen flatwork na zama, kodayake wasu suna samuwa don siminti mai ƙarfi.

Saita retarder - Wani nau'in haɗakarwa wanda ke jinkirta saitin farko da lokacin saitin ƙarshe na kankare. Ana iya shafa shi a sanya siminti kuma a gama shi cikin yanayin zafi ban da ingantacciyar yanayi ko lokacin da za a yi jigilar simintin nesa mai nisa.

Accelerating admixtures su ne additives da ke hanzarta haɓaka ƙarfin farko da kuma rage lokacin saiti, sau da yawa ba sa buƙatar canji a cikin zafin jiki na ƙarshe. Suna iya haɗawa da nau'o'in mahadi, ciki har da calcium chloride, calcium formate, triethanolamine, salts Organic salts, sodium nitrite, sodium sulfate da potassium nitrite.

Antifreeze – Abun da ke rage daskarewa fatattaka kuma yana taimakawa kankare don jure daskarewa da narkewa. An yi amfani da shi a cikin aikace-aikace irin su ginshiƙan bene da bangon bango na gefe, bututun ƙarfe na ƙarfe, babban simintin tsari mai tsayi, ayyukan kankare tare da buƙatun ruwa da sauran ayyukan da ke buƙatar ƙananan raguwa da babban juriya ga aikin daskare-narke.


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(Menene Admixture Don Ƙarfin Farko?)

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