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Superplasticizer waxa loola jeedaa xaalada ka dhigaysa hoos u dhaca shubka asal ahaan isku mid,

Isku-dhafka oo si weyn u yarayn kara xaddiga biyaha ee loo isticmaalo isku-darka.Waxqabadka Sare ee Biyaha Hooseeya waa fikrad cusub oo la soo jeediyay ka dib fikradda waxqabadka sare ee la taaban karo.Hadda si cad looma qeexin.Waxay guud ahaan loola jeedaa isku-darka la taaban karo ee leh heerka dhimista biyaha sare iyo waxqabadka haynta hoos u dhaca ee leh soo-galin hawo.Si kastaba ha noqotee, laga bilaabo fahamka iyo codsiga polycarboxylic acid iyo kuwa kale ee karboksilic acid superplasticizers ee beerta la taaban karo ee caalamiga ah sanadihii ugu dambeeyay, nooca superplasticizer wuxuu kaloo leeyahay sifooyinka soo socda.

(1) Mawduuca hoose iyo heerka sare ee dhimista biyaha (waxa ku jira inta badan waa 0.05% -0.5% ee maadada binder, iyo heerka dhimista biyuhu wuxuu gaari karaa 35% -50%, ama xitaa ka sii sareeya);

(2) Kala soocid, dhiig-bax la'aan, waxqabadka ilaalinta dhumucda la taaban karo ayaa ka fiican, waxay sameyn kartaa 120min gudahood asal ahaan khasaare ma leh;

(3) waxay diyaarin kartaa xoog aad u sarreeya iyo shubka adkeysiga sare;

(4) Ku habboonaanta wanaagsan ee sibidhka, isku-darka iyo isku-darka kale;

(5) Waxay si wax ku ool ah u yareyn kartaa heerkulka adiabatic ee hore ee shubka, taas oo aad ugu habboon shubka ballaaran;(6) Xorriyadda weyn ee qaab-dhismeedka molecular, awood weyn oo lagu gaaro waxqabadka sare ee wakiilka biyaha dhimaya;

(7) Sababtoo ah isku-darka ma isticmaalo formaldehyde iyo walxaha kale ee deegaanka wasakhaysan, waxay faa'iido u leedahay horumarinta joogtada ah ee warshadaha dhismaha;(8) Waxay bixisaa dammaanad farsamo oo loogu talagalay kor u qaadista isticmaalka qashinka warshadaha sida dambaska duqsiga, xargaha iyo birta.

Waxaa la arki karaa in taxanaha polycarboxylic acid ee waxqabadka sare ee superplasticizer ay tahay inuu buuxiyo qarniga 21aad shuruudaha waxqabadka sare ee la taaban karo.


Waqtiga boostada: Dec-02-2022