Iji dozie nsogbu nke enweghị nkwekọrịta n'etiti admixtures na ciment, a na-elekwasị anya na mgbochi, nhọrọ nke ihe na nchọpụta ihe na-abata. Ntughari nke admixtures na ciment bụ nsogbu dị mgbagwoju anya, na nsogbu nke enweghị nkwekọrịta n'etiti admixtures na ciment na-eme. Ndị na-emepụta ihe na-eme ihe n'oge: dị ka ọnọdụ ahụ si dị, dabere na nyocha, nyochaa ma chọpụta ihe kpatara ya, gbanwee nhazi ngwakọta ihe, ma melite ụlọ ọrụ mmepụta ihe. slump, mbenata slump ọnwụ. Ọ na-adịkarị mkpa iji dozie ọnụ ọgụgụ nke ofufe ash, na-amụba ọnụ ọgụgụ nke admixtures, mee ka mmiri mmiri na-eme ka ihe fọdụrụnụ nke admixture na ihe ahụ, na-edebe ciment mmiri.
ruru agbanweghị, na-amụba ego nke ciment, nke ịrụ ụka adịghị ya na-abawanye unit na-eri. Ma ọ bụ usoro mgbakwunye nke abụọ nwere ike ịnakwere, ya bụ, a na-achịkwa slump na ụlọ ọrụ mmepụta ihe na 80-100, a na-akpalikwa ngwọta admixture nke ọma maka ihe dị ka nkeji 2 iji gbanwee na 140 tupu e jiri ya mee ihe n'ebe a na-ewu ụlọ, nke na-abawanye ụba. ma dị irè. Ndị na-emepụta ihe na-achọkarị ihe mgbakwunye iji mee mgbanwe na ciment n'ihi nnukwu ngwongwo nke ciment, ya bụ, ndị na-emepụta ihe na-emepụta ihe na-eme ka a gbanwee usoro ahụ, dị ka ciment nke ndị na-emepụta ihe na-eji eme ihe iji dozie ụdị na ọnụ ọgụgụ nke ndị na-ebelata mmiri na ndị na-emepụta ihe na-eme ka mmiri ghara ịdị. na mgbakwunye, ma ọ bụ mụbaa ọnụ ọgụgụ nke Plasticizer, onye na-eme ihe na-eme ka ikuku na-enweghị afụ, wdg.
Mkpebi siri ike nke ihe ngwakọta ngwakọta kwesịrị iburu n'uche oge coagulation nke ihe ahụ, ihe mgbakwunye ahụ nwere retarding Efrata, okpomọkụ na-adaba na mberede na okpomọkụ dị elu, admixture na ihe ahụ dị oke, na usoro ahụ adịghị edozi. na oge, na-akpata ọdịda ogologo oge nke ihe ahụ. Condensation ga-emetụta nke ukwuu ike nke sink. N'oge okpomọkụ, ihe owuwu ahụ kwesịkwara izere oge ehihie nke oke okpomọkụ na ifufe, ma mee ka ihe ndị ahụ dị jụụ. Mkpebi nke ájá ruru n'ime ihe owuwu ihe owuwu ngwakọta kwesịrị ka edozi ya dị ka nha nke ịdị mma nke ájá na porosity nke nchịkọta na-adịghị ahụkebe. Ya mere, enwere ike idozi nsogbu nke enweghị nkwekọrịta n'etiti ciment na admixture ruo n'ókè ụfọdụ. na ọnwụ nwere ike ibelata.
Oge nzipu: Jul-25-2022
