Kwanan Wata:13, Mayu,2024
Yayin da zafin jiki ke ci gaba da hauhawa, bazara yana zuwa, kuma abin da ke biyo baya shine tasirin canje-canje a cikin bambance-bambancen zafin jiki akan slump na kankare. A wannan batun, za mu yi daidai gyare-gyare a lokacin da yin amfani da ruwa rage wakilai domin Siminti ya kai ga yanayin da ake so.
1. Polycarboxylate masu rage ruwa har yanzu suna da matsala tare da daidaita su zuwa siminti. Ga kowane siminti, adadin rage ruwa zai zama ƙasa kuma asarar raguwar za ta yi girma. Sabili da haka, lokacin da daidaitawar simintin ba shi da kyau, ya kamata a gudanar da gwajin gwaji da daidaitawar siminti. sashi don cimma sakamako mafi kyau.
Bugu da ƙari, ƙoshin lafiya da lokacin ajiya na siminti kuma zai shafi tasirin polycarboxylate superplasticizer. Ya kamata a guji yin amfani da siminti mai zafi a cikin samarwa. Idan an haɗu da ciminti mai zafi tare da wakili mai rage ruwa na polycarboxylate, farkon slump na simintin zai zama sauƙin fitowa, amma tasirin slump na admixture zai raunana, kuma simintin zai iya bayyana. Rashin raguwa cikin sauri.
2. Polycarboxylate masu rage ruwa sun fi damuwa da canje-canje a cikin kayan aiki. Lokacin da ingancin albarkatun ƙasa kamar yashi da kayan dutse da abubuwan haɗawa irin su ash gardama da foda na ma'adinai suna canzawa sosai, za a haɗe abubuwan rage ruwa na polycarboxylate da abubuwan rage ruwa na polycarboxylate. Ayyukan simintin za a shafa har zuwa wani matsayi, kuma ya kamata a sake yin gwajin gwajin gwaji tare da kayan da aka canza don daidaita sashi don cimma sakamako mafi kyau.
3. Maganin rage ruwa na polycarboxylate yana da mahimmanci ga abun ciki na laka na tarawa. Abubuwan da ke cikin laka mai yawa zai rage aikin mai rage ruwa na polycarboxylate. Sabili da haka, yakamata a kula da ingancin abubuwan tarawa yayin amfani da polycarboxylate superplasticizers. Lokacin da abun ciki na laka ya karu, ya kamata a ƙara yawan adadin maganin rage ruwa na polycarboxylate.
4. Saboda yawan rage yawan ruwa na polycarboxylate mai rage yawan ruwa, raguwar kankare yana da mahimmanci ga amfani da ruwa. Sabili da haka, dole ne a kula da amfani da ruwa na kankare yayin amfani. Da zarar adadin ya wuce, siminti zai bayyana rarrabuwa, zubar jini, taurin kai da yawan abin da ke cikin iska da sauran munanan al'amura.
5. Lokacin amfani da polycarboxylate ruwa-rage admixtures, yana da kyau a dace ƙara lokacin hadawa (yawanci sau biyu idan dai na gargajiya admixtures) a lokacin samar da kankare tsari na kankare, sabõda haka, da steric hana ikon polycarboxylate ruwa-rage admixture iya zama. mafi sauƙin yin aiki, wanda ya dace don Sarrafa ɓacin rai a cikin samarwa. Idan lokacin hadawa bai isa ba, da alama ɓacin rai na simintin da aka kai wurin ginin zai fi girma fiye da ɗigon simintin da aka sarrafa a tashar hadawa.
6. Tare da zuwan bazara, bambancin zafin jiki tsakanin dare da rana yana canzawa sosai. A cikin samar da iko, ya kamata mu ko da yaushe kula da canje-canje a cikin kankare slump da daidaita sashi na admixtures a dace hanya (cimma ka'idar low hadawa a low zazzabi da kuma high hadawa a high zazzabi).
Lokacin aikawa: Mayu-13-2024