Malinga ndi chiŵerengero chosiyana, kugwiritsa ntchitoredispersible polima ufakusinthamatope osakaniza owumaimatha kupititsa patsogolo mphamvu ya mgwirizano ndi magawo osiyanasiyana, ndikuwongolera kusinthasintha ndi kupunduka kwa matope, mphamvu yopindika, kukana kuvala, kulimba, mphamvu yomangirira ndi kachulukidwe, kuthekera kosunga madzi ndi kugwirira ntchito.
Chiwerengero chachikulu cha mayesero amasonyeza kuti kuchuluka kwaRDufasi bwino kwambiri.Zomwe zili mu ufa wa RD ndizotsika kwambiri, zimangosewera pulasitiki, koma zotsatira zake sizowonekera.Pamene kuchuluka kwaRD ufandi yayikulu kwambiri, mphamvu imachepa.Pokhapokha pamene zomwe zili mu ufa wa RD ndizochepa, sizimangowonjezera kukana kwa deformation, kumapangitsanso mphamvu zowonongeka ndi mphamvu zomangira, komanso kumapangitsa kuti mphuno ikhale yotsekemera komanso yotsekemera.Chiŵerengero cha laimu ndi mchenga, chiŵerengero cha madzi ndi simenti, kugawanika ndi mtundu wa aggregate, ndi makhalidwe a aggregate pamapeto pake zidzakhudza ntchito yonse ya mankhwala.
Chikoka chazobalalikansolatexufapa mphamvu ya matope ndikuti mphamvu yamanjenje ndi mphamvu yosunthika ya matope imatha kuwonjezeka kwambiri pambuyo powonjezerazobalalikansopolimaufa,koma mphamvu yopondereza sinasinthidwe kwambiri kapena kuchepetsedwa.Chifukwa toughening zotsatira zazobalalikansopolimaufa, mphamvu zamakomedwe zamkati ndi zomangira zomangirira zamatope zimawongoleredwa, ndipo nyonga yomangirira pakati pa matope ndi gawo lapansi imakhala bwino kwambiri.
Kusweka kwa zinthu zowonongeka kumayamba makamaka chifukwa cha kulephera kwamphamvu, pamene kupsinjika kwamphamvu kumaposa mphamvu yake yamphamvu, kusweka kudzachitika.Chifukwa chake, kukhala ndi mphamvu yamphamvu kwambiri ndikofunikira kuti mupewe kusweka.
Zotsatira zikuwonetsa kuti kulimba kwa simenti yosinthidwa ndi polima nthawi zambiri kumawonjezeka koyamba kenako kumachepa ndi kuchuluka kwa simenti-simenti, zomwe zikuwonetsa kuti pali mitundu yabwino yosakanikirana.Chifukwa cha kuchepa nthawi zambiri chimakhala chifukwa chowonjezera kwambiriredispersible emulsion ufakumayambitsa kutulutsa thovu zambiri, zomwe zimapangitsa kutsika kwamphamvu kwamphamvu.Choncho, compressive mphamvu ayenera bwino kusintha chiŵerengero cha laimu mchenga, madzi simenti, akaphatikiza gradation ndi akaphatikiza mtundu.Kuwongolera kwamphamvu kwamphamvu, kusinthasintha kwamphamvu, kusinthasintha, kukana ming'alu ndi hydrophobicity kumatha kutheka powonjezerazobalalikansolatexufa, koma powonjezerapo, ndi bwino.Pamene zomwe zili mu ufa wa rabara ndizochepa kwambiri, zimangosewera pang'onopang'ono, koma zotsatira zake sizowoneka bwino.Pamene kuchuluka kwa redispersible ufa ndi lalikulu kwambiri, mphamvu adzachepa.Pokhapokha zomwe zilizobalalikansoufandi zolimbitsa thupi, sikuti kumangowonjezera kukana mapindikidwe, mphamvu yamakokedwe ndi mphamvu yomangira, komanso kumapangitsa kuti permeability ndi kukana ming'alu.Chiŵerengero cha laimu ndi mchenga, chiŵerengero cha madzi ndi simenti, kugawanika ndi mtundu wa aggregate, ndi makhalidwe a aggregate pamapeto pake zidzakhudza ntchito yonse ya mankhwala.
Nthawi yotumiza: Feb-26-2024