Kwanan Wata: 20, Mayu, 2024

7. Lokacin da polycarboxylic acid admixture ya kasance gwaji-gauraye (a cikin samarwa), lokacin da kawai kashi na asali ya isa, aikin farko na aikin simintin zai gamsu, amma hasara mai mahimmanci zai fi girma; sabili da haka, a lokacin gwaji-hadawa (samarwa), adadin ya kamata a ƙara daidai. Sai kawai ta hanyar daidaita sashi (wato, kai ga adadin saturation) za'a iya magance matsalar babban asarar asarar.

8.Bayan rage yawan kayan siminti, ya kamata a tabbatar da ingancin ruwa-ciminti a yayin aikin samarwa. Idan asarar slump ya yi girma, hanya ɗaya kawai ita ce ƙara yawan adadin admixture kuma ƙara ƙarawa sau biyu. Kada ku ƙara ruwa don magance matsalar, in ba haka ba zai iya haifar da raguwa mai ƙarfi a cikin ƙarfi.

9. Polycarboxylate wakili mai rage ruwa shine samfurin da ke da yawan raguwar ruwa da kuma watsawa. A cikin sarrafa sarrafawa, ya kamata a yi amfani da ma'aunin ruwa (fadada) na kankare don auna aikin siminti. Za a iya amfani da slump azaman ƙimar tunani kawai.

10. Ƙarfin kankare an ƙaddara shi ne ta hanyar rabon ruwa mai ɗaure. Polycarboxylate mai rage yawan ruwa yana da halaye na ƙimar rage yawan ruwa, wanda zai iya rage yawan amfani da ruwa cikin sauƙi a cikin rabon haɓakar samarwa, don haka cimma manufar rage rabon ruwa mai ɗaurewa da rage ƙarfin siminti. m tsada. Tun da albarkatun ƙasa sun fi canzawa yayin samarwa fiye da lokacin gwaji, don mafi kyawun amfani da aikin samfuran polycarboxylate superplasticizer, ya kamata a daidaita admixtures a daidai lokacin gwargwadon tasirin yanayin albarkatun ƙasa, canjin yanayi na yanayi, da sauransu akan aikin aiki na kayan aiki. kankare a lokacin samarwa. Sashi.

11. Polycarboxylic acid masu rage ruwa ba za a iya haxa su da abubuwan rage ruwa na naphthalene ba. Lokacin amfani da magungunan rage ruwa na polycarboxylic acid, mahaɗa da motar mahaɗa waɗanda suka yi amfani da abubuwan rage ruwan naphthalene dole ne a wanke su da tsafta, in ba haka ba za'a iya lalacewa ta hanyar polycarboxylic acid mai rage ruwa. Wakilin rage ruwa ya rasa tasirin rage ruwa.

12. Polycarboxylate superplasticizer ya kamata ya guje wa hulɗar dogon lokaci tare da kayan ƙarfe. Tun da polycarboxylate samfurin wakili na rage ruwa sau da yawa acidic, hulɗar dogon lokaci tare da kayan ƙarfe zai haifar da jinkirin amsawa, wanda zai iya yin duhu ko baƙar fata, yana haifar da raguwa a aikin samfurin. Ana ba da shawarar yin amfani da buckets na filastik polyethylene ko buckets na bakin karfe don ajiya don tabbatar da kwanciyar hankali.