Ụbọchị nbipute:19, Febụwarị,2024
Atụmatụ usoro ihe owuwu:
(1) Mgbe emebe ihe ngwakọta nkezi, ihe mejupụtara ojiji nke elu-arụmọrụ mmiri na-ebelata gị n'ụlọnga na ikuku-entraining gị n'ụlọnga solves anwụ ngwa ngwa chọrọ nke ihe owuwu na oké oyi ebe;
(2) Site n'itinye ihe ndị na-echekwa slump n'ime ihe ndị na-emepụta mmiri na-eme ka mmiri dị elu, a na-edozi mmetụta nke okpomọkụ dị elu n'oge okpomọkụ na arụ ọrụ nke ihe;
(3) Site nnwale analysis, mmetụta nke apịtị ọdịnaya na ihe na workability na compressive ike nke ihe;
(4) Site synthesizing keadighi rarii ájá na ezi ájá na a ụfọdụ nkezi, a na-edozi ihe na otu ụdị nke ájá ájá enweghị ike izute workability nke ihe;
(5) A na-akọwa ihe ndị na-emetụta arụmọrụ nke ihe na-emepụta ihe, a na-ezerekwa mmetụta nke ihe ndị na-adịghị mma na arụ ọrụ nke ihe eji eme ihe n'oge usoro ihe owuwu ihe.
Ụkpụrụ ọrụ nke onye na-ebelata mmiri na-arụ ọrụ dị elu:
(1) Dispersion: The mmiri na-ebelata gị n'ụlọnga na directionally adsorbed n'elu nke ciment ahụ, na-eme ka ha na-ebu otu ụgwọ na-etolite electrostatic repulsion, nke na-akwalite ahụ ciment irighiri na-achụsasị na onye ọ bụla ọzọ, na-ebibi flocculation Ọdịdị kpụrụ site na. simenti slurry, ma wepụta akụkụ nke mmiri afụchiri. N'ụzọ dị irè dịkwuo fluidity nke ihe ngwakọta.
(2) Mmetụta lubricant: Onye na-eme ka mmiri na-ebelata mmiri nwere otu hydrophilic siri ike, nke na-eme ka ihe nkiri mmiri dị n'elu akụkụ ciment, na-ebelata nkwụsị nkwụsị n'etiti akụkụ ciment, si otú ahụ na-eme ka mmiri dị na ya dịkwuo elu.
(3) Ihe mgbochi steric: Onye na-eme ka mmiri na-ebelata mmiri nwere eriri polyether nke hydrophilic, nke na-eme ka oyi akwa adsorption nke hydrophilic dị n'elu akụkụ ciment, na-eme ka ihe mgbochi siri ike n'etiti akụkụ ciment, si otú ahụ hụ na ihe ahụ nwere ezigbo ihe. slum.
(4) Mmetụta mwepụ nwayọọ nwayọọ nke ngalaba copolymerized anyadokwa: N'oge mmepụta na nkwadebe usoro nke ndị na-ebelata mmiri ọhụrụ, a na-agbakwunye ụdọ ndị nwere ọrụ dị iche iche. Agbụ a na-agbanye alaka ọ bụghị nanị na-enwe mmetụta mgbochi siri ike, ma enwere ike iji ya mee ihe n'oge nnukwu hydration nke ciment. A na-ahapụ acids polycarboxylic nwere mmetụta na-agbasasị na gburugburu alkaline, nke na-eme ka mmetụta nke cement na-agbasawanye ma na-achịkwa slump ọnwụ nke ihe n'ime oge ụfọdụ.
Oge nzipu: Feb-19-2024
