1. Umphumela wokuguqulwa kukasimende uthintwa yi-admixtures

Umbono wangaphambilini onezingqimba ezimbili ungachaza kahle umphumela wokwenza ipulasitiki wokwengeza izinciphisi zamanzi kukhonkolo. Kulawo makhonkrithi axutshwe nezithasiselo ezihlukahlukene zikakhonkolo, nakuba inani likasimende elisetshenzisiwe liye lehliswa ngezinga elithile, inani lesinciphisi samanzi elengeziwe liphindwe kabili kunelikakhonkolo ovamile. Le ngxenye yocwaningo kufanele idonse ukunaka kwabasebenzi abafanelekile. Ngaphezu kwalokho, kwamanye amakhonkrithi aphezulu kakhulu, amandla namandla okushintsha umkhuba wokhonkolo olungiselelwe ngama-superplasticizers ahlukene ahluke kakhulu. Isizathu salokhu kufanele sihlobane eduze nomphumela wama-surfactants ku-samente hydration. Ikhonkrithi ehamba phambili enesilinganiso samanzi-samente ehlanganiswe ne-plasticizers izobonisa into ethi "plate" imizuzu eyishumi ngemva kokuxuba, okungukuthi, ngemva kokuwa kwekhonkrithi, maduzane izobonisa isenzakalo sokusetha okungamanga uma singashukunyiswa, futhi ukhonkolo ophansi unzima kakhulu. Kodwa-ke, lesi simo asibonakali ezixubeni ezijwayelekile zikakhonkolo ngaphandle kwama-plasticizers. Indlela yokugwema nokuchaza le nkinga kufanelekile ukuxoxa ngayo.

2. Ukuzivumelanisa nezimo zikasimende kuthintwa izixube

Enqubweni yokwakhiwa kwangempela, inkinga enjalo ivame ukwenzeka, okungukuthi, ngaphansi kwesilinganiso esifanayo sokuxuba, isilinganiso se-admixture kanye nezimo zokwakha, uhlobo neqoqo likasimende noma izixube ezishintshayo, okuholela ekuhlukeni okukhulu ku-fluidity kanye nokuwohloka kokhonkolo okumisiwe. Isizathu esiyinhloko salesi simo ukuthi izici ezifana nokwakheka kwamaminerali usimende, i-gypsum enesimo kanye nokucoleka kukasimende kuholela ekumisweni okusheshayo ngesikhathi sokuxutshwa kukakhonkolo. Ngakho-ke, ukutadisha okugcwele kwenkinga yokuguquguquka kukasimende kuyasiza ekulawuleni okunengqondo kwendlela yokusetshenziswa kanye nesilinganiso se-admixtures.

3. Ithonya lendawo yokusetshenziswa kumphumela wezixube

Kulawo makhonkrithi anama-plasticizers ahlukene, lapho izinga lokushisa lemvelo lifanelekile, ukulahlekelwa kwe-slump kanye ne-slump yekhonkrithi kungcono kakhulu kunalezo ezitholakala ngaphansi kwezimo eziphakeme zokushisa nezimo ezomile, kodwa uma ebusika, ukhonkolo awunawo umehluko omkhulu, okuzothinta inqubo yokwakha ngezinga elithile.