Li-admixtures tsa konkreite, tse bitsoang li-admixtures ka nako e khuts'oane, li bua ka lintho tse kentsoeng pele kapa nakong ea ho kopanya konkreite ho ntlafatsa thepa ea konkreite e ncha le / kapa konkreite e thata. Litšobotsi tsa li-concrete admixtures ke mefuta e mengata le
tekanyo e nyane, e phethang karolo ea bohlokoa phetohong ea konkreite. Ka nts'etsopele ea butle-butle ea indasteri ea kaho, tlhokahalo ea konkreite mererong ea boenjiniere e ntse e eketseha, 'me ka nako e ts'oanang, ho na le litlhoko tse phahameng tsa ts'ebetso le boleng ba konkreite. Tabeng ena, e le thepa ea bohlokoa ea boenjiniere e ka ntlafatsang haholo ts'ebetso ea konkreite, metsoako ea konkreite e fetohile karolo ea bohlano ea bohlokoa ho konkreite ea morao-rao ntle le samente, lehlabathe, majoe le metsi.
Setsi se fokotsang metsi se sebetsang hantle haholo Moemeli oa ho fokotsa metsi o arotsoe haholo ka mekhahlelo e meraro: e tloaelehileng ea ho fokotsa metsi, e sebetsang hantle haholo e fokotsang metsi le e sebetsang hantle haholo e fokotsang metsi. Tsoelo-pele ea li-superplasticizers e fetile mekhahlelo e meraro: moloko oa pele oa li-superplasticizers tse tloaelehileng tse emeloang kekhalsiamo ea lehong, moloko oa bobeli oa li-superplasticizer tse emeloang kenaphthaleneletoto la lihlooho tse, le moloko oa boraro oa superplasticizers emeloang kepolycarboxylate superplasticizerletoto. Moloko oa boemo bo phahameng ba ts'ebetso ea superplasticizer.Polycarboxylate superplasticizere na le melemo ea ho fokotsa tekanyo e tlaase le ho fokotsa metsi a mangata, 'me e ka sebelisoa ho etsa konkreite e matla haholo, e matla haholo, ea nako e telele le e nang le metsi a mangata; Ts'ebetso ha e na mokelikeli o litšila, khase ea litšila, ho tsoa ha masala a litšila le lintlha tse ling. Ke ntho e tala le e bolokang tikoloho e sebetsang hantle haholo e fokotsang metsi, 'me e na le melemo e totobetseng ho sireletsa tikoloho le ho sebetsa hantle. Ka katoloso ea matla a tlhahiso le ntlafatso ea ho kenella, li-superplasticizers tsa polycarboxylate li fetohile mefuta ea mantlha ea li-superplasticizer tse hlahisoang le tse sebelisoang hona joale naheng ea heso.
Boemong ba "kholo e tsitsitseng" e lebelletsoeng ho tsoela pele ho futhumala, keketseho ea tlhoko ea konkreite e tlisoang ke keketseho ea moralo oa merero e meholo ea boenjiniere le tsoelopele ea kemiso ea kaho e tla eketsa tlhokahalo ea li-admixtures tsa konkreite. ka nako yona eo. Ho feta moo, ho latela litlaleho tsa mosebetsi oa mmuso tse fanoeng ke liprofinse tse fapaneng, kaho ea meaho e kang ea lipalangoang le merero ea paballo ea metsi e nka karolo e kholo ea merero e meholo, 'me merero e boletsoeng ka holimo e na le litlhoko tse phahameng tsa ts'ebetso ea konkreite, le metsi a sebetsang hantle. li-reducers li hlokahala ho fihlela litlhoko tsa konkreite. Ha ho bapisoa le mefuta e meng ea li-admixtures, litlhoko tsa kaho ea ho pompa le ho fokotsa ho sisinyeha esita le litlhoko tse sa sisinyeheng tsa merero e khethehileng ea konkreite li na le melemo e totobetseng. Ka hona, karolo ea tlhokahalo ea li-agent tse fokotsang metsi tse sebetsang hantle tse ka finyellang merero ea boenjiniere "e entsoeng ka mokhoa o itseng" e tla lebelloa ho eketseha ho feta.
Khoebo ea thepa e sebetsang ea Jufu Chemical Company ntle le khoebo ea mantlha ea li-superplasticizer e bonts'a mohopolo oa sehlahisoa o fapaneng haholo le oa bahlolisani ba ona. Nakong e tlang, e tla khona ho pheta katleho ea khoebo ea superplasticizer, 'me siling ea sebaka sa mmaraka e phahame haholo ho feta ea li-superplasticizers.
Nako ea poso: Apr-11-2022
