Izixuku zikakhonkolo

I-Admixtures yekhonkrithi yizithako ezikhethekile ezingezwe kumxube wekhonkrithi ngesikhathi sokuxuba noma ukuxubha ukuze kulungiswe izakhiwo zayo noma ukuthuthukisa ukusebenza kwayo. Lezi zingxube zingathuthukisa izici ezihlukahlukene zokukhonkolo, okuhlanganisa ukusebenza, amandla, ukuqina, isikhathi sokusetha, nokumelana namakhemikhali noma izimo zemvelo. Nazi ezinye izinhlobo ezivamile zezingxube zikakhonkolo:

1. Ingxube Eyehlisa Amanzi:

• Izixube zokunciphisa amanzi, ezaziwa nangokuthi ama-plasticizers noma ama-superplasticizers, asetshenziselwa ukunciphisa inani lamanzi adingekayo ekuxubeni kukakhonkolo ngenkathi kugcinwa ukusebenza.
• Bathuthukisa ukugeleza nokusebenza kokhonkolo, okwenza kube lula ukubeka nokuqeda.
• Ama-Superplasticizers angahlukaniswa njengebanga eliphezulu noma eliphakathi nendawo ngokusekelwe ekhonweni lawo lokunciphisa okuqukethwe kwamanzi nokwandisa ukuwohloka.

2. Setha Izixube Ezihlehliswayo:

• Izixube ezihlehliswayo ezisethiwe zisetshenziselwa ukubambezela isikhathi sokusetha sikakhonkolo, okuvumela ukubekwa okunwetshiwe kanye nezikhathi zokuqeda.
• Zinenzuzo esimweni sezulu esishisayo noma lapho zithutha ukhonkolo amabanga amade.
• Lezi zingxube zingasiza futhi ukuvimbela amalunga abandayo futhi kuthuthukise ukuhlangana phakathi kokuthululwa kukakhonkolo okulandelanayo.

3. Ukusheshisa Okuxubile:

• Izixube ezisheshayo zengezwa kukhonkolo ukuze kusheshiswe ukulungiselelwa nokuthuthukiswa kwamandla okuqala.
• Ziwusizo ezimweni zezulu ezibandayo noma lapho kudingeka amashejuli okwakha ngokushesha.
• I-Calcium chloride iyinhlanganisela evamile yokusheshisa, nakuba ukusetshenziswa kwayo kungase kuholele ekugqwaleni kwensimbi yokuqinisa kanye ne-efflorescence.

4. I-Air-Entraining Admixtures:

• Izixube zokufaka umoya zisetshenziselwa ukwethula amabhamuza omoya amancane kungxube kakhonkolo.
• Lawa mabhamuza omoya athuthukisa ukuqina kukakhonkolo ngokunikeza ukumelana nemijikelezo yokuncibilika kweqhwa, ukunciphisa ukopha nokuhlukaniswa, kanye nokwenza ngcono ukusebenza.
• Izixube zokungenisa umoya zivame ukusetshenziswa ezindaweni ezibandayo kanye nakukhonkolo ovezwe kusawoti osusa uqweqwe.

5. Izixube zokuhlehlisa kanye nezokwehlisa amanzi:

• Lezi zingxube zihlanganisa izakhiwo ze-set retading kanye ne-admixtures yokunciphisa amanzi.
• Babambezela isikhathi sokumisa ukhonkolo ngenkathi ngesikhathi esifanayo bethuthukisa ukusebenza futhi behlisa okuqukethwe kwamanzi.
• Izixube zokuhlehlisa nokunciphisa amanzi zivame ukusetshenziswa ezimweni ezishisayo ukuze kuvinjelwe ukusetha okusheshayo nokulahlekelwa ukuwohloka.

6. Inhlanganisela Evimbela Ukugqwala:

• Izixube ezivimbela ukugqwala zengezwa kukhonkolo ukuze kuvikelwe insimbi egxilile ekugqwaleni.
• Benza ungqimba oluvikelayo ebusweni bokuqiniswa, ukuvimbela ukungena kwama-chloride nezinye izinto ezilimazayo.
• Lezi zixube ziwusizo ikakhulukazi ezindaweni zasolwandle noma ezakhiweni ezivezwe kusawoti wokususa iqhwa.

7. Inhlanganisela Enciphisa Ukuncipha:

• Izixube ezinciphisa ukushwabana zisetshenziselwa ukunciphisa ukomisa ukushwabana nokuqhekeka kukhonkolo.
• Basebenza ngokunciphisa ukushuba kwesimo samanzi ezimbotshana, okuvumela ukomiswa okufanayo okufanayo nokunciphisa ukushwabana.
• Lezi zixube zinenzuzo ezindaweni ezinkulu ezibekwe ukhonkolo, izakhi zekhonkrithi ezifakwa ngaphambili, kanye nezingxube zikakhonkolo ezisebenza kahle kakhulu.

Ama-Admixtures adlala indima ebalulekile ekuthuthukiseni ukusebenza nokuqina kukakhonkolo ezinhlelweni ezihlukahlukene. Ngokukhetha ngokucophelela kanye nokuhlanganisa izixube ezifanele kungxube kakhonkolo, onjiniyela nosonkontileka bangafinyelela izakhiwo ezifiselekayo njengokusebenza okuthuthukisiwe, amandla, ukuqina, kanye nokumelana nezimo zemvelo ezimbi. Kubalulekile ukulandela izincomo zomkhiqizi nemihlahlandlela yomthamo lapho usebenzisa izixube ukuze uqinisekise ukusebenza kahle nokuhambisana nengxube kakhonkolo.