Turmi mai daidaita kansa busassun busassun kayan foda ne. Bayan sarrafawa, ana iya amfani da shi bayan haɗuwa da ruwa a wurin. Muddin an ture shi tare da goge-goge, ana iya samun saman tushe mai inganci. Siffofin sune kamar haka;
Gudun taurin yana da sauri, kuma kuna iya tafiya a kai cikin sa'o'i 24
Domin yana aiki da sauri, baya ɓata lokaci don yin wasu ayyuka.
Yin la'akari da ingancin turmi mai daidaita kai za a iya tantance shi ta fuskoki masu zuwa:
1. Yawan ruwa mai yawa, haɗin kai, rashin zubar jini da rarrabuwa.
2. Ƙarfin ƙarfi da ƙarfin matsawa na ƙarshe bayan niƙa sun hadu da buƙatun
3. Matsakaicin canjin ƙima kaɗan ne (wato, babu faɗaɗa kuma babu raguwa).
4. A karkashin yanayin ƙarancin ruwa-ciminti rabo, yana da kyau rheology;
5,, kai ma'aunin ƙasa na ƙarfin matsawa na 24h fiye da 6.0MPa, ƙarfin sassauƙa fiye da 2.0MPa.
dabarar siminti mai daidaita kai
Raw kayan Additives
42.5 300
plaster 50
Calcium mai nauyi 150
Sand 500
Rubber powder 10
Polycarboxylate 0.5
sm 2.5
p803 0.5
mc400 0.7
Tartaric acid 0.8
Adadin ruwan da aka ƙara shine 24% kuma yawan ruwa ya kai 145 ~ 148
Wani lokaci idan lokacin hadawa bai isa ba, za a sami wuraren mai, fararen fata, hazo, zubar da jini, asarar foda, ƙarfi, da dai sauransu, wanda ya kamata a kula da su a cikin kayan da ake amfani da su na dabara. Mu yi nazarin su daya bayan daya.
A. Yadda ake hana tabo mai
cire tartaric acid
Misali, P803, wannan albarkatun kasa na iya haifar da aibobi mai, yawanci muna haɗa P803 tare da sau 1 na yashi da sau 1 na calcium carbonate don rage wuraren mai.
B, yadda za a hana subsidence
1. Rage yawan wakili na rage ruwa,
2. Da kyau ƙara yawan adadin ether cellulose da aka ƙara,
3. Daidaita gradation na yashi.
C, yadda ake hana rashin isasshen ƙarfi
1. Adadin babban simintin alumina yana da ƙasa, kuma ƙarfin 1d bai dace ba;
2. Yawan foda na roba ya yi ƙasa sosai;
3. An ƙara yawan retarder;
4. Tsarin tsari ba shi da kwanciyar hankali, yana haifar da zubar da jini
D, yadda ake hana farar tabo
1. A ƙari barbashi ne ma m
2. Akwai agglomeration na albarkatun kasa.
E, ƙa'idar ƙara danyen abu:
1. An haxa sinadarin calcium mai nauyi tare da babban siminti na alumina don samar da calcium carbonoaluminate, wanda zai iya inganta ƙarfin matsawa.
2. Wakilin rage ruwa zai iya rage yawan ruwa da siminti, da inganta ƙarfi da dorewa na siminti;
3. Methyl cellulose ana amfani da shi azaman wakili mai riƙe da ruwa don guje wa lahani na turmi mai daidaita kai wanda ke rasa ruwa da sauri saboda wani bakin ciki mai gudana;
4. Yin amfani da anhydrite a matsayin wakili na fadadawa da amfani da hexanediol azaman wakili mai ragewa yana daidaitawa don ramawa da kyau don raguwa. Wannan dabarar tana bincika rabon rabon kowane bangare, kuma yawan ruwa na turmi mai daidaita kansa da aka shirya ya fi 130mm a cikin mintuna 20.
Lokacin aikawa: Maris-02-2023