Idethi Yokuthumela: 27, Jun, 2023

1. Indaba yokusetshenziswa kwamanzi
Enkambweni yokulungisa ukhonkolo osebenza kakhulu, kufanele kukhokhwe ukunakwa ekukhetheni i-slag enhle futhi wengeze inani elikhulu lomlotha wempukane. Ubuhle be-admixture buzothinta i-ejenti yokunciphisa amanzi, futhi kunezinkinga ngekhwalithi ye-admixture, okuzothinta nakanjani ukusebenza kokhonkolo. Uma ukuguquguquka kwe-slag kuhle, isilinganiso se-admixture akufanele sibe sikhulu kakhulu, ngaphandle kwalokho kungase kubangele izinkinga zokopha. Kuyadingeka ukulawula isilinganiso somlotha wempukane kukhonkolo ukuze uqinisekise ukuthi i-ejenti yokunciphisa amanzi idlala indima engcono.

2. Ukuxuba inani lemali
Ukwabiwa okunengqondo kwe-fly ash kanye ne-slag kungathuthukisa ukusebenza kukakhonkolo, kunciphise ukusetshenziswa kukasimende ekwakhiweni kobunjiniyela, futhi kunciphise izindleko zezinto ezibonakalayo. Ubuhle kanye nekhwalithi ye-admixture izothinta ukusebenza kwe-ejenti yokunciphisa amanzi. Ukuthuthukisa ukusebenza kwekhonkrithi kudinga izidingo ezithile zokulunga kanye nekhwalithi ye-admixture. Enkambweni yokulungisa ukhonkolo osebenza kakhulu, ukusetshenziswa kwe-slag powder ku-admixture kungathuthukisa ukusebenza kwayo. Inani le-admixture kufanele limiswe ngokunengqondo ngokuya ngesimo sangempela sobunjiniyela, futhi umthamo kufanele ulawulwe.

3. Indaba yomthamo we-ejenti yokunciphisa amanzi
Ukusetshenziswa kwama-ejenti anciphisa amanzi kukhonkolo yezentengiselwano kudinga ukuqonda kwesayensi kwenani lezinto ezinciphisa amanzi ezisetshenziswayo kanye nokulawulwa okufanele kwezilinganiso zazo. Khetha izinhlobo ezahlukene zama-ejenti okunciphisa amanzi ngokusekelwe ohlotsheni lukasimende kukhonkolo. Kumaphrojekthi wokwakha, umthamo wama-ejenti okunciphisa amanzi udinga ukunqunywa ngemuva kokuhlolwa okuningi ukuze kutholwe isimo esingcono kakhulu.

4.Izinkinga ezihlanganisiwe
Ama-aggregate asetshenziswa kukhonkolo adinga ukuhlolwa ngezindlela eziningi, ngezinkomba zokuhlola eziyinhloko ezihlanganisa ukuma, ukugreda kwezinhlayiyana, ukwakheka komhlaba, okuqukethwe kodaka, udaka olukhonkolo, nezinto eziyingozi eziqukethwe. Lezi zinkomba zizoba nomthelela othize kwikhwalithi yama-aggregate, futhi ukunaka okukhethekile kufanele kukhokhwe kokuqukethwe kodaka. Okuqukethwe kwamabhuloki odaka kukhonkolo akukwazi ukudlula u-3%, ngaphandle kwalokho ngisho noma ama-ejenti okunciphisa amanzi engezwa, ikhwalithi yekhonkrithi ayikwazi ukuhlangabezana nezinga. Isibonelo, iphrojekthi ethile yokwakha isebenzisa ukhonkolo wenqwaba ye-C30. Phakathi nenqubo yokuzama ukuxuba ukhonkolo, lapho isilinganiso se-ejenti yokunciphisa amanzi singu-1%, ingahlangabezana nezidingo zobunjiniyela, okuhlanganisa uketshezi, ukunwetshwa kokuwohloka, njll. Nokho, ukwengeza ama-ejenti okunciphisa amanzi ngokuya ngedatha yokuhlola phakathi nenqubo yokwakha akukwazi ukuhlangabezana. izidingo zobunjiniyela noma ukuhlangabezana namazinga ashiwo. Ngemva kokuhlolwa nokuhlaziywa kochwepheshe, kwafinyelelwa esiphethweni sokuthi isizathu esiyinhloko salesi senzakalo ukuthi okuqukethwe kodaka ku-aggregate emihle kudlula u-6%, okuthinta umphumela wokunciphisa amanzi. Ngaphezu kwalokho, izimo ezihlukene zezinhlayiya ezihlanganisiwe zingathinta umphumela wokunciphisa amanzi we-ejenti yokunciphisa amanzi. I-fluidity kakhonkolo izokwehla ngokwanda kwezinto zokwakha kanye nama-aggregates amaholo. Ngemuva kokuhlaziywa kwesayensi, akwanele ukuthembela kuphela kuma-ejenti okunciphisa amanzi ukuze kuthuthukiswe umphumela osebenzayo wokukhonkolo nokuthuthukisa amandla ayo. Kudingekile ukukhulisa ingxube kakhonkolo ukuze kuzuzwe imiphumela emihle.