Kwanan Wata: 19, Dec, 2022

Superplasticizers zai iya rage yawan ruwan da ake amfani da shi don hadawa da kankare da akalla kashi 10 cikin 100, ko kuma ya kara yawan kwararar simintin.Domin kankare shekaru 3 kwanaki, ƙarfin 砼C30 za a iya ƙara da 69 mpa, da kankare ƙarfi a 28 kwanaki yana ƙara zuwa a kalla 87 mpa.Yawanci amfanisuperplasticizerssune galibi polyalkyl aryl sulfonates da melamine masu rage ruwa.

Sakamakonsuperplasticizers akan aikin kankare sune kamar haka:

1. Dangane da kaddarorin siminti da aka haɗa sabo.Don tasirin rage ruwa na superplasticizer, girman kwayoyin halitta da takamaiman nau'in tsarin rage ruwan da ake amfani da shi ya kamata kuma a yi la'akari da shi.Tasirin iska mai zubar da jini na wakili na rage ruwa yana shafar yanayin yanayin maganin ruwa.Da ƙarin ƙarfin tashin hankali na saman yana raguwa, mafi ƙaranci tasirin iska mai zubar jini.Dangane da lokacin saitin kankare, naphthalene da melamine na iya haɓaka lokacin coagulation na kankare, kuma sulfamate superplasticizer na iya rage lokacin saitin.Ko da yake superplasticizer ba dace da daban-daban ciminti, da yin amfani dasuperplasticizers zai iya rage rarrabuwar kawuna da abubuwan zub da jini.Za'a iya inganta slump na kankare ta hanyar ƙari na superplasticizer.Ƙayyadaddun lokacin raguwa da iyaka an ƙayyade su ta musamman ta sigogi kamar nau'i da adadin wakilin rage ruwa da aka yi amfani da su.

2. Tasiri a kan hardening Properties na kankare.Siminti da ke haɗa da superplasticizer na iya inganta matakin hydration.The kankare matsawa da lankwasawa ƙarfi an inganta.Superplasticizers Hakanan rage adadin siminti ta hanyar canza ƙimar raguwar siminti.Koyaya, canjin ƙimar telescopic gabaɗaya baya wuce daidaitaccen ƙimar 1X10-4.

3. Tasiri akan dorewa na kankare.The high-ingancin ruwa rage wakili yadda ya kamata

yana inganta kaddarorin daskarewa da narkewar siminti saboda yawan raguwar ruwa da yawan iskar jini.Kuma babban mai rage ruwa mai inganci na iya inganta ingantaccen ƙarfin siminti don tsayayya da lalatawar sulfuric acid.Gwaje-gwaje sun nuna cewa juriya ga lalatawar sulfuric acid na superplasticizer bai fi na siminti mara kyau ba.

4. Tasirin kariya na kariya na kariya na karfe.Kankare tare da babban mai rage ruwa mai inganci na iya haɗawa da kyau tare da sandunan ƙarfe, kuma za a iya inganta mannen karfen madaidaiciya zuwa kankare 7D daga 1.2MPA zuwa 8.5MPA.Ana iya ƙara manne karfen da aka lanƙwasa zuwa siminti 7D daga 15MPA zuwa 27.5MPA.Superplasticizer kuma yana iya kare ƙarfe a cikin siminti yadda ya kamata.