Kwanan Wata: 22, Janairu, 2024
1.The sashi na polycarboxylate superplasticizer ruwa-rage wakili ne da yawa girma, kuma akwai da yawa kumfa a saman da kankare tsarin.
Daga hangen nesa na famfo da karko, yana da amfani don haɓaka haɓakar haɓakar iska daidai. Yawancin abubuwa masu rage ruwa na polycarboxylate suna da manyan abubuwan jan hankali na iska. Polycarboxylic acid-tushen ruwa-rage admixtures kuma suna da jikewa batu kamar naphthalene tushen rage ruwa admixtures. Don nau'ikan siminti daban-daban da nau'ikan siminti daban-daban, wuraren jikewa na wannan admixture a cikin kankare sun bambanta. Idan adadin admixture yana kusa da madaidaicin saturation, za'a iya inganta yawan ruwan da aka yi da kankare kawai ta hanyar daidaita adadin slurry a cikin simintin ko ta amfani da wasu hanyoyin.
Phenomenon: Wani tashar hadawa yana amfani da polycarboxylic acid mai rage ruwa don shirya kankare na wani ɗan lokaci. Kwatsam wata rana, wani wurin gini ya ba da rahoton cewa, bayan cire kayan aikin katangar da aka yi, an gano cewa akwai kumfa da yawa a saman bangon kuma kamannin ba su da kyau.
Dalili: A ranar da ake zuba kankare, wurin da aka yi ginin ya ba da rahoton sau da yawa cewa faɗuwar ta yi ƙanƙanta kuma ruwa ba shi da kyau. Ma'aikatan da ke aiki a dakin gwaje-gwaje na tashar hada-hadar siminti sun kara yawan abubuwan da ake hadawa. Wurin da ake ginin ya yi amfani da babban nau'in ƙarfe mai siffa, kuma an ƙara kayan da yawa a lokaci ɗaya yayin zubar da ruwa, wanda ya haifar da rashin daidaituwa.
Rigakafin: Ƙarfafa sadarwa tare da wurin ginin, kuma bayar da shawarar cewa tsayin ciyarwa da hanyar girgiza za a yi aiki sosai daidai da ƙayyadaddun bayanai. Haɓaka haɓakar haɗaɗɗen kankare ta hanyar daidaita adadin slurry a cikin kankare ko amfani da wasu hanyoyin.
2.Polycarboxylate mai rage yawan ruwa yana haɗuwa da yawa kuma an tsawaita lokacin saitawa.
Al'amari:Tushen simintin yana da girma, kuma yana ɗaukar sa'o'i 24 kafin simintin ya daidaita. A wurin ginin, sa'o'i 15 bayan katakon tsarinan zuba siminti, an sanar da tashar hada-hadar har yanzu wani bangare na simintin bai tsaya ba. Tashar hadawa ta aika injiniya don dubawa, kuma bayan maganin dumama, ƙarfafawar ƙarshe ya ɗauki sa'o'i 24.
Dalili:Yawan shekarun rage ruwant yana da girma, kuma yanayin zafin jiki yana da ƙasa da dare, don haka ƙwayar hydration na kanka yana jinkirin. Ma’aikatan da ke sauke kaya a wurin aikin a asirce suna kara ruwa a cikin simintin, wanda ke cinye ruwa mai yawa.
Rigakafin:Adadin admixture shzai dace kuma ma'aunin ya zama daidai. Muna tunatar da ku don kula da rufi da kiyayewa lokacin da zafin jiki a wurin ginin ya zama ƙasa, kuma polycarboxylic acid admixtures yana kula da amfani da ruwa, don haka kada ku ƙara ruwa a so.
Lokacin aikawa: Janairu-24-2024
