1. Cov kev vam meej ntawm cov lag luam kev nqes hav zoov
Nyob rau hauv lub neej yav tom ntej, raws li kev txhim kho kev nqis peev feem ntau ruaj khov, thiab tib lub sijhawm, cuam tshuam los ntawm txoj cai tswj hwm hauv lub tebchaws, txoj kev vam meej ntawm kev tsim kho kev lag luam yuav poob qis piv nrog kev vam meej ntawm xyoo dhau los, thiab kev sib tw. nruab nrab ntawm cov lag luam yuav nce ntxiv, thiab cov txiaj ntsig ntawm theem kev lag luam yuav poob vim nws cov cawv. Yav tom ntej, kev lag luam polycarboxylate superplasticizer yuav ntsib kev tshem tawm thiab kev sib koom ua ke, thiab qee cov lag luam nrog qib theem kev qis thiab tsis muaj peev txheej yuav raug fim.
2. Kev lag luam cov qauv sib tw
Tom qab kev sib tw ua lag luam hnyav ze li ntawm 5 xyoo, ib pawg admixture qhauj nrog cov txheej txheem qib siab dua, qee qhov kev teev ntau lawm thiab kev pabcuam tom qab muag zoo yog qhov muaj txiaj ntsig ntawm kev lag luam kev lag luam, kev sib koom ua lag luam nthuav dav, thiab cov nyiaj tau los kuj tseem txhim kho tsis tu ncua.
Nws cia siab tias yav tom ntej, kev lag luam yuav maj mam tshem tawm cov khoom lag luam qis los ntawm kev rov kho dua tshiab, qhov kev lag luam ntawm cov khoom lag luam muaj txiaj ntsig zoo thiab cov khoom lag luam polycarboxylate superplasticizer yuav nthuav dav, thiab cov nyiaj tau los ntawm kev lag luam yuav tshwm sim ib qho kev poob siab.
