Kwanan Wata:8, Satumba,2025

Matsayin kankare admixtures:

Matsayin abubuwan daɗaɗɗen siminti ya bambanta da nau'in ƙari na kankare. Babban aikin shine don inganta haɓakar simintin daidai lokacin da yawan ruwa a kowace mita cubic na siminti ko amfani da siminti bai canza ba; lokacin da siminti ya kasance baya canzawa ko kuma raguwar siminti ba ta canza ba, za'a iya rage yawan ruwa, kuma ana inganta ƙarfin siminti, kuma an inganta ƙarfin simintin; lokacin da ƙarfin ƙira da raguwar siminti ya kasance ba canzawa ba, za'a iya ajiye amfani da siminti kuma za'a iya rage farashin, da dai sauransu Wakilin ƙarfin farko yana inganta ƙarfin farko na siminti kuma yawanci ana amfani dashi don ayyukan gyare-gyaren gaggawa da kuma gina ginin hunturu; mai rage ruwa yana da tasirin rage ruwa da ƙarfafawa yayin da yake kiyaye daidaitattun simintin ba tare da canzawa ba; mai shigar da iska yana rage yawan rarrabuwar ruwa da ke haifar da kumfa da aka haifar yayin da ake hadawa da siminti kuma yana inganta aikin siminti; mai retarder na iya jinkirta lokacin saitin kankare, kuma yana da duka raguwa da tasirin rage ruwa. Ana amfani da shi musamman don siminti mai girma, simintin da aka yi a ƙarƙashin yanayin yanayi mai zafi, ko kuma ɗaukar simintin da za a yi jigilar shi ta nisa mai nisa.

Binciken tasirin mai rage ruwa admixture akan aikin kankare:

Kankare ruwa mai rage ruwa ya ƙunshi surfactants. Wannan surfactant nasa ne na anionic surfactants. A zahiri, wakilin ruwan alkali na kankare baya taka rawar sinadarai tare da siminti. Its tasiri a kan kankare ne yafi nuna a cikin plasticization na sabo ne kankare. Plasticization shine jika, adsorption, watsawa da tasirin mai.

A adsorption, watsawa, lubrication da wetting effects na admixture ruwa rage sauƙaƙa hadawa da kankare a ko'ina tare da kawai karamin adadin ruwa, sabõda haka, da workability na sabo ne da kankare ya inganta. Wannan shine tasirin filastik na kayan rage ruwa a kan sabon siminti.