Mokhoa oa ts'ebetso oa sesebelisoa se fokotsang metsi

Lisebelisoa tse fokotsang metsi, tse tsejoang hape e le li-plasticizers, ke li-additives tse sebelisoang ka konkreite le lisebelisoa tse ling tsa samente ho fokotsa bongata ba metsi a hlokahalang ho fihlela tšebetso le matla a lakatsehang. Mokhoa oa ts'ebetso oa li-agent tse fokotsang metsi o ka hlalosoa ka phello ea bona ho thepa ea 'mele ea thepa ea samente.

Lisebelisoa tse fokotsang metsi li sebetsa ka ho ikemela holim'a likaroloana tsa samente le ho fetola litefello tsa motlakase ho likaroloana. Sena se fokotsa matla a nyonyehang pakeng tsa likaroloana, ho li lumella ho paka hammoho ka thata haholoanyane. Ka lebaka leo, libaka tse se nang letho pakeng tsa likaroloana lia fokotseha, 'me metsi a hlokahalang ho tlatsa libaka tseo a fokotseha.

Tšebeliso ea lisebelisoa tse fokotsang metsi li ka boela tsa ntlafatsa ho sebetsa ha konkreite kapa thepa ea samente, ho etsa hore ho be bonolo ho sebetsana le ho beha. Sena se bakoa ke ho fokotseha ha viscosity ea motsoako, e leng se lumellang ho ntlafatsa phallo le ho kopanya.

Lisebelisoa tse fokotsang metsi li ka aroloa ka mekhahlelo e 'meli e meholo: lignosulfonates le li-polymer tsa maiketsetso. Lignosulfonates li tsoa ho makhasi a lehong 'me hangata li sebelisoa ka konkreite ea matla a tlase ho isa ho a itekanetseng. Li-polymers tsa maiketsetso li entsoe ka lik'hemik'hale 'me li ka fana ka phokotso e kholoanyane ea tlhokahalo ea metsi le ts'ebetso e ntlafetseng, e leng se etsang hore e be tse loketseng ho sebelisoa ka konkreite e sebetsang hantle.

Ka bokhutšoanyane, mokhoa oa ts'ebetso oa li-ajenti tse fokotsang metsi o kenyelletsa ho kenella ka har'a likaroloana tsa samente le ho fetola litefiso tsa electrostatic ho likaroloana. Sena se fokotsa matla a nyonyehang pakeng tsa likaroloana 'me se li lumella ho paka hammoho ka thata, ho fokotsa libaka tse se nang letho le ho fokotsa metsi a hlokahalang. Tšebeliso ea lisebelisoa tse fokotsang metsi e ka boela ea ntlafatsa ho sebetsa ha konkreite kapa thepa ea samente, ho etsa hore ho be bonolo ho sebetsana le ho beha.