Usuku lwePost: 6, Jun, 2022

Ekuqaleni, ukuhlangana kwakusetshenziswa kuphela ukonga usimende. Ngokuthuthukiswa kwezobuchwepheshe bokwakha, ukuhlangana kuye kwaba yisilinganiso esiyinhloko sokuthuthukisa ukusebenza kokhonkolo.

Ngenxa yama-superplastifizer, ukhonkolo ophelelwe yikhonkolo, ukhonkolo ozihlanganisa ngokuzikhethela, ukhonkolo onamandla aphezulu asetshenziswa; Ngibonga kubakhulu, izakhiwo zikakhonkolo ongaphansi kwamanzi zithuthukisiwe: Ngenxa yalabo abathengisayo, isikhathi sokubeka usimende siyenzeka isikhathi eside, kungenzeka ukunciphisa ukulahleka kwe-slump futhi ngenxa ye-antifreeze, ngenxa ye-free computer. kungenziwa ukwehliswa, noma ukwehluka kwesakhiwo se-ice crystal ngeke kubangele ukulimala okuqhwa. Kungenzeka kuphela ukwenza ukwakhiwa ngaphansi kokushisa okungalungile.

Ngokuvamile, ama-admixtures anemiphumela elandelayo ekwenzeni ngcono izakhiwo zikakhonkolo:

 1. Kunganciphisa ukusetshenziswa kwamanzi ngokhonkolo. Noma wandise uketshezi lukakhonkolo ngaphandle kokukhulisa inani lamanzi.

2. Isikhathi sokubekezela kukakhonkolo singashintshwa.

3. Yehlisa ukopha nokuhlukaniswa. Thuthukisa ukukhiqizwa nokuphikiswa kwamanzi.

I-4. Ukulahleka kwe-slump kungancishiswa. Khulisa ukuncipha kokhonkolo ogcwele.

5. I-Shrinkage ingancishiswa. Ukungeza i-ejenti enobuningi kunganxephezela ukushwabana.

6. Ukubambezela ukushisa kwe-hycration yokuqala. Yehlisa izinga lokushisa likakhonkolo kakhonkolo futhi unciphise ukwenzeka kwemifantu.

7. Thuthukisa amandla okuqala kakhonkolo. Vimbela ukugoqa ngaphansi kokushisa okungalungile.

8. Thuthukisa amandla, khulisa ukumelana nesithwathwa, ukungapheleli, ukugqoka kokumelana nokumelana nokugqwala.

9. Lawula ukusabela kwe-alkali-aggregate. Vimbela ukugqwala kwensimbi nokunciphisa ukuguquguquka kwe-chloride ion.

10. Kwenziwe ngokhonkolo nezinye izakhiwo ezikhethekile.

11. Yehlisa i-viscocity ekhokhelwa ngokhonkolo, njll.

 Ngemuva kokungeza ama-admixtures ku-ukhonkolo, ngenxa yezinhlobo ezahlukahlukene, imiphumela ihlukile futhi ihlukile, okukhona yimiphumela ye-adhorple ebusweni be-admentis, okuguqula amandla noma ukuthuthuka okuhlukile; Ukubhubhisa ukwakheka kwe-Floccution, kuthuthukisa ukuqina kohlelo lwe-Cument Deflusion, futhi kuthuthukise imibandela ye-hydration yesimende: Abanye bangakha isakhiwo se-macroolecular futhi bashintshe isimo se-adsorption ebusweni bezinhlayiya zensimbi; Abanye banganciphisa ukungezwani komhlaba kanye namandla angaphezulu kwamanzi, njll.

Ngoba ukuhlanganiswa kungathuthukisa ngempumelelo ukusebenza kokhonkolo, futhi kunezinzuzo ezinhle zezomnotho. Kusetshenziswe kabanzi emazweni amaningi futhi sekuyinto ebaluleke kakhulu kukhonkolo. Ikakhulukazi ukusetshenziswa kwama-potency ama-potency. Izinhlayiya zomuntu zingahlakazeka ngokuphelele, ukusetshenziswa kwamanzi kuncishiswe kakhulu, futhi amandla kasimende asetshenziswe ngokuphelele. Ngenxa yalokhu, itshe lesikhumba liminyene, futhi isakhiwo se-pore kanye ne-microssucce yendawo ebonakalayo ngcono kahle, ukuze izakhiwo zenyama nezisebenza ngokhonkolo zithuthuke kakhulu, noma ngabe kungukuphazamiseka kwamanzi , i-carbonization, kanye nokuphikiswa kokugqwala kwe-sulfate. . Kanye nokumelana nomthelela, ukumelana kwe-Fear nezinye izici zingcono kunokhonkolo ngaphandle kwama-admixtures, hhayi ukuthuthukisa amandla kuphela, ukwenza ngcono ukusebenza. Kungathuthukisa nokuqina kokhonkolo. Kungenzeka kuphela ukwakha ukhonkolo ophezulu ngokusebenza okuphezulu, amandla aphezulu nokuqina okuphezulu ngokuxuba ama-superplastizers.