Usuku lwePosi:27,Nov,2023

I-Retardar ingukuhlanganiswa okuvame ukusetshenziswa ekwakhiweni kobunjiniyela. Umsebenzi wayo oyinhloko ukuthi ubambezele ngempumelelo ukwenzeka kwenani eliphakeme lokushisa le-cydration, elinenzuzo ibanga elide lokuhamba, izinga lokushisa eliphakeme kanye nezinye izimo zokwenza ukhonkolo, udaka ngosimende nezinye izinto zokwakha. Gcina i-plastiki ngaphansi kwezimo, ngaleyo ndlela uthuthukise ikhwalithi yokuthulula ukhonkolo; Lapho kuthinteka kwezinye izimo ezikhethekile njengezimo zesimo sezulu noma izidingo zokwakha, isibuyiseli futhi zidinga ukungezwa, okungathuthukisa ukusebenza kokhonkolo, futhi kunciphise isikhathi sokwakha. Ungayikhetha kanjani uhlobo olufanele kanye nomthamo we-retarder ukuze uthinte ukusebenza kokhonkolo kasimende kungumbuzo ofanele ukutadisha.

1.Effect ngesikhathi sokugcina

Ngemuva kokungeza i-retarder, isikhathi sokuqala nesokugcina sokugcina sokhonkolo siqhubeka isikhathi eside. AbakwaTetarders abahlukene banemiphumela ehlukile ngesikhathi sokusetha ukhonkolo ku-dosage efanayo, futhi ama-retaarders ahlukene anemiphumela ehlukile yokubuyisa ngokhonkolo. I-retarder enhle kufanele ibe nomphumela omuhle wokubuyela emuva lapho umthamo wawo mncane. I-retarder ekahle kufanele yehlise isikhathi sokuqala ngokhonkolo bese sinciphisa isikhathi sokugcina sokugcina. Lokho kusho ukuthi, ukusetha kokuqala nokugcina kokugcina kukakhonkolo kufanele kufinyezwe ngangokunokwenzeka.

 2.Umphumela ekusebenzikeni kwengxube

Kumkhuba wobunjiniyela, ukuze uvumelane nezinto zokuhamba futhi uhlangabezane nezidingo zokwakha, i-retardar ivame ukungezwa kukhonkolo ukwenza ngcono ukusebenziseka kwengxube kakhonkolo futhi kunciphise ukulahleka kwe-slump ngokuhamba kwesikhathi. Ukungezwa kwe-retarder kuthuthukisa kakhulu ukufana nokuqina kwengxubevange, kugcina ipulasitiki isikhathi eside, kuthuthukisa ikhwalithi yokwakhiwa kokhonkolo, futhi kuvimbela ngempumelelo ukuqhekeka okubangelwa ukushwabana kukakhonkolo.

I-3.Effect emandleni ukhonkolo

Ukungezwa kwe-retarder kungakwazi ukukwenza kahle izinhlayiya zosekhukhwini, okuzuzisa ukwandisa amandla kakhonkolo eziteshini eziphakathi nendawo. Njengoba amanye ama-retaarders nawo anomsebenzi othile wokunciphisa amanzi, ngaphakathi kwebanga lethamba elifanele, uma umthamo ukhula, isilinganiso sikasimende samanzi sengxube ekhonkolo kuzoba mncane, okuzosiza ukuthuthukiswa kokhonkolo. Kumaphrojekthi wangempela, ngenxa yomthamo ngokweqile we-retardder, ukhonkolo kungenzeka ungabeki isikhathi eside, futhi amandla ukhonkolo angeke ahlangabezane nezidingo zokwakha ngesikhathi sokwamukelwa kwephrojekthi. Ngakho-ke, kufanele sinake ukukhethwa kwezinhlobo ze-retarder futhi silawule ngokuphelele umthamo we-retarder. Ngasikhathi sinye, kufanele futhi sicabangele ngokugcwele ukufana nokuvumelana nezimo phakathi kokugcina kabusha nezinto zokhonkolo ezingavuthiwe.