Idethi Yokuthumela: 23, Sep, 2024
1)Inhlanganisela
Umthamo we-admixture mncane (0.005% -5% wesisindo sikasimende) futhi umphumela muhle. Kumele ibalwe ngokunembile futhi iphutha lesisindo akufanele lidlule u-2%. Uhlobo nomthamo wezixube kufanele kunqunywe ngokuhlolwa okusekelwe ezintweni ezifana nezidingo zokusebenza okuphathekayo, izimo zokwakhiwa kanye nesimo sezulu, izinto zokusetshenziswa zikakhonkolo kanye nezilinganiso zokuxutshwa. Uma isetshenziswe ngendlela yesisombululo, inani lamanzi esisombululo kufanele lifakwe inani eliphelele lamanzi okuxuba.
Lapho ukusetshenziswa okuhlangene kwezithasiselo ezimbili noma ngaphezulu kubangela ukugeleza noma ukuna kwesixazululo, izixazululo kufanele zilungiselelwe ngokwehlukana futhi zengezwe ku-mixer ngokulandelanayo.
(2) I-ejenti yokunciphisa amanzi
Ukuze kuqinisekiswe ukuxuba okufanayo, i-ejenti yokunciphisa amanzi kufanele yengezwe ngendlela yesisombululo, futhi inani lingandiswa ngendlela efanele njengoba izinga lokushisa likhuphuka. I-ejenti yokunciphisa amanzi kufanele yengezwe ku-mixer ngesikhathi esifanayo namanzi okuxuba. Lapho uthutha ukhonkolo ngeloli le-mixer, i-ejenti yokunciphisa amanzi ingangezwa ngaphambi kokulayishwa, futhi impahla ikhishwa ngemva kokugqugquzela imizuzwana engu-60-120. Izingxube ezijwayelekile zokunciphisa amanzi zifanele ukwakhiwa ngokhonkolo lapho izinga lokushisa elincane lansuku zonke lingaphezu kuka-5℃. Uma izinga lokushisa eliphansi lansuku zonke lingaphansi kuka-5℃, kufanele zisetshenziswe ngokuhambisana nezixube zamandla okuqala. Uma usebenzisa, naka ukudlidliza nokususa umoya. Ukhonkolo oxutshwe ne-ejenti yokunciphisa amanzi kufanele uqiniswe esigabeni sokuqala sokuphulukisa. Ngesikhathi sokwelashwa ngesitimu, kufanele sifinyelele amandla athile ngaphambi kokuba sishiswe. Ama-ejenti amaningi okunciphisa amanzi asebenza kahle kakhulu anokulahlekelwa okukhulu kokuwohloka lapho esetshenziswa kukhonkolo. Ukulahlekelwa kungaba ngu-30% -50% emaminithini angu-30, ngakho-ke ukunakekelwa kufanele kuthathwe ngesikhathi sokusetshenziswa.
(3) I-ejenti yokungenisa umoya kanye ne-ejenti yokunciphisa amanzi efaka umoya
Ukhonkolo onezidingo zokumelana nokuncibilika okuphezulu kufanele uhlanganiswe nama-ejenti afaka umoya-mpilo noma ama-ejenti anciphisa amanzi. Ukhonkolo ocindezelwe kanye nokhonkolo owenziwe ngesitimu akufanele usebenzise ama-air-entraining agents. I-ejenti yokungenisa umoya kufanele yengezwe ngendlela yesisombululo, okokuqala ingezwe emanzini okuxuba. I-ejenti yokungenisa umoya ingasetshenziswa ngokuhambisana ne-ejenti yokunciphisa amanzi, i-ejenti yamandla angaphambi kwesikhathi, i-retardant, ne-antifreeze. Isixazululo esilungisiwe kufanele sihlakazwe ngokugcwele. Uma kukhona i-flocculation noma imvula, kufanele ishisiswe ukuze iyincibilikise. Ukhonkolo one-ejenti yokungenisa umoya kufanele uxutshwe ngomshini, futhi isikhathi sokuxuba kufanele sibe sikhulu kunemizuzu emi-3 nangaphansi kwemizuzu emi-5. Isikhathi kusukela ekukhipheni kuya ekuthululeni kufanele sifinyezwe ngangokunokwenzeka, futhi isikhathi sokudlidliza akufanele sidlule imizuzwana engu-20 ukuze kugwenywe ukulahlekelwa komoya.
(4) I-ejenti yokunciphisa amanzi edonsayo futhi ehlehla
Kufanele yengezwe ngendlela yesisombululo. Uma kunezinto eziningi ezingancibiliki noma ezingancibiliki, kufanele zidilizwe ngokulinganayo ngaphambi kokusetshenziswa. Isikhathi sokugqugquzela singandiswa ngemizuzu engu-1-2. Ingasetshenziswa ngokuhlanganiswa nezinye izixube. Kumele iniselwe futhi yelashwe ngemva kokuba ukhonkolo selumisiwe ekugcineni. I-retarder akufanele isetshenziswe ekwakhiweni kukakhonkolo lapho izinga lokushisa elincane lansuku zonke lingaphansi kuka-5℃, futhi akufanele isetshenziselwe ukhonkolo nokhonkolo olashwe ngesitimu yodwa ngezidingo zamandla zakuqala.
Isikhathi sokuthumela: Sep-23-2024
