ukwethula:
Ikhonkrithi iyinto yokwakha eyisisekelo eyaziwa ngamandla ayo nokuqina kwayo. Ukwengezwa kwama-superplasticizers kushintshe ubuchwepheshe bekhonkrithi ngokuthuthukisa ukusebenza kahle nokunciphisa okuqukethwe komswakama. I-ejenti yokunciphisa amanzi esebenza kahle kakhulu esekelwe ku-Gypsum iyi-ejenti entsha yokunciphisa amanzi esebenza kahle kakhulu eye yadonsela ukunaka okukhulu.
Ulwazi oluyisisekelo lwe-superplasticizer yekhonkrithi:
Ama-Superplasticizer ayizithasiselo ezisetshenziswa kukhonkolo ukuthuthukisa ukugeleza ngaphandle kokuthinta amandla. Abalulekile ezinhlelweni ezidinga ukusebenza kahle kakhulu, njengekhonkolo esebenza kahle kakhulu, ikhonkolo ezicindezelayo kanye nezinto ezilungisiwe kusengaphambili.
I-Gypsum njenge-ejenti yokunciphisa amanzi esebenza kahle kakhulu:
I-Gypsum iyiminerali yemvelo esetshenziswa ngokwesiko ezintweni zokwakha. Eminyakeni yamuva nje, abacwaningi bahlole amandla ayo njenge-ejenti ephumelela kakhulu yokunciphisa amanzi ngenxa yezakhiwo zayo zamakhemikhali ezihlukile.
Ukwakheka kwamakhemikhali kanye nendlela yokusebenza:
Kubalulekile ukuqonda ukwakheka kwamakhemikhali kwama-superplasticizer asekelwe ku-gypsum. I-Gypsum noma i-calcium sulfate dihydrate ixhumana nezinhlayiya zesimende, ngaleyo ndlela ithuthukise ukuhlakazeka futhi inciphise isilinganiso samanzi nosimende.
Izinzuzo ze-superplasticizer esekelwe ku-gypsum:
A. Ukusebenza Okuthuthukisiwe: I-superplasticizer esekelwe ku-Gypsum ithuthukisa kakhulu ukusebenza kahle kwekhonkrithi, okwenza kube lula ukuyibeka nokuyiqeda.
b. Ukuthuthukiswa kwamandla: Ngokuphambene nezinye izinto ezikhathazayo, izithasiselo ezisekelwe ku-gypsum aziphazamisi amandla ekhonkrithi. Eqinisweni, zingasiza ekuthuthukiseni ukukhula kwamandla okuqala.
C. Izidingo zamanzi ezincishisiwe: Ama-superplasticizer asekelwe ku-Gypsum akhiqiza ukhonkolo ogobile kakhulu onenani eliphansi lamanzi, ngaleyo ndlela andise ukuqina nokunciphisa ukungena kwamanzi.
Ubuchwepheshe bekhonkrithi obuqhubekayo:
Ukuphishekela izinto zokwakha ezihlala isikhathi eside kuholele ekufuneni izithasiselo ezinobungani nemvelo. I-Gypsum iningi futhi itholakala kabanzi, okubangela ukusimama kokukhiqizwa kwekhonkrithi.
A. Ukuncipha komthelela wekhabhoni: Ama-superplasticizer asekelwe ku-Gypsum angasiza ekunciphiseni umthelela wekhabhoni wokukhiqizwa kokhonkolo uma kuqhathaniswa nezithasiselo zamakhemikhali zendabuko.
b. Ukusetshenziswa kwemfucuza: Ukusetshenziswa kwe-gypsum, umkhiqizo ophuma ezinqubweni ezahlukene zezimboni, njenge-ejenti yokunciphisa amanzi esebenza kahle kakhulu kuhambisana nezimiso zokonga okujikelezayo kanye nokunciphisa imfucuza.
Izinselele kanye nokucatshangelwa:
Naphezu kwezakhiwo ezithembisayo zama-superplasticizer asekelwe ku-gypsum, izinselele ezithile kusadingeka zixazululwe. Lokhu kufaka phakathi ukubambezeleka okungenzeka ngesikhathi sokusetha, izinguquko ezakhiweni ezisekelwe ohlotsheni lwesimende, kanye nemiphumela yesikhathi eside ekuqineni.
Izicelo kanye namathemba esikhathi esizayo:
Ama-superplasticizer asekelwe ku-gypsum angasetshenziswa ezinhlotsheni ezahlukene zekhonkrithi, okuhlanganisa ikhonkrithi ezicindezelayo, ikhonkrithi esebenza kahle kakhulu, ngisho nasezinhlelweni lapho ukusimama kuyinto eza kuqala khona.
A. Amaphrojekthi Engqalasizinda: Ukusebenzisa ama-superplasticizer asekelwe ku-gypsum kumaphrojekthi amakhulu engqalasizinda kungathuthukisa kakhulu ukusebenza kahle, ukuqina kanye nomthelela emvelweni.
b. Ucwaningo Nentuthuko: Ucwaningo oluqhubekayo lugxile ekuthuthukiseni ukwakheka kwama-superplasticizer asekelwe ku-gypsum, ukubhekana nezinselele, kanye nokuhlola ukusebenzisana nezinye izithasiselo ukuthuthukisa ukusebenza.
Ekuphetheni:
Ngamafuphi, ama-superplasticizer ekhonkrithi asekelwe ku-gypsum ayindlela ethembisayo yokuthuthukisa ukusebenza kwekhonkrithi kanye nokusimama. Njengoba imboni yokwakha iqhubeka nokuthuthuka, ukuhlola izinto ezintsha kanye nezithasiselo kuba yinto ebalulekile ukuze kuhlangatshezwane nezidingo zesikhathi esizayo. Ngezakhiwo zayo ezihlukile kanye nezinzuzo ezingaba khona, ama-superplasticizer asekelwe ku-gypsum asiza ekuqhubekiseleni phambili ukuthuthukiswa kobuchwepheshe bekhonkrithi ngendlela ephumelela kakhulu futhi enobungani nemvelo.
Isikhathi sokuthunyelwe: Disemba-05-2023