Mgbakọ konkrīt, nke a na-akpọkwa admixtures ma ọ bụ pozzolanic materials, bụ ngwaọrụ kemịkụ ma ọ bụ mmanụ a na-etinyere n'isi konkrīt n'ụzọ ziri ezi iji gbanwee ihe-ike ha na mezu oru nke ha n'ihe dị iche iche. Ndị a gụnyere ihe na-ebelata mmiri, ihe na-etinyere ikuku, ihe na-akwakwa ọsọ, ihe na-egbochi, ihe na-eme ka e maa, na ihe ndị ọzọ na-amalite mmiri dịka silica fume na fly ash. Ha nwere uraisi dịka polymer dị n'ezi ruo na mmanụ dị n'ala, otu ọ bụla akọwapụtara iji gbazie nsogbu n'itu konkrīt, mkpakọ ya, na ike ya ịnọgide n'ebe dị n'ala.
Ihe na-akwakwa ọsọ na ihe na-egbochi nke konkrīt bụ ngwaọrụ kemịkụ akọwapụtara iji gbanwee ọsọ hydration nke Portland cement, na-enye ntuanya n'ige oge konkrīt na-akpata ikike. Ihe na-akwakwa ọsọ – ngwaọrụ nwere calcium chloride, sodium nitrate, ma ọ bụ ihe ndị na-adịkwa chloride – na-eme ọsọ hydration iji belata oge mwute, na-eme ka ikike puta ngwa ngwa. Ihe na-egbochi, akọwapụtara site na tartaric acid derivatives, lignosulfonates, ma ọ bụ hydroxy carboxylic acids, na-agbatị oge ọrụ na-egbochi hydration, na-echebara konkrīt plasticity n'oge ịtụ ogologo. Ihe ndị a dị mkpa n'ọrụ deep foundation, ebe ọnọdụ geological, mkpakọ, na usoro ọrụ na-ache ka konkrīt mee ngwa ngwa ma ọ bụ n'ogologo oge na-abụghị nke ọkwa.
Ihe na-eme ka e maa bụ ngwaọrụ kemịkụ na-gbanwee ihe rheological na mechanical nke konkrīt site n'ibelata ụba mmiri na imetụ hydration nke cement. N'ihe deep foundation na geotechnical ọrụ, ihe ndị a na-abụ polycarboxylic ether (PCE) polymer, sulfonated naphthalene formaldehyde (SNF), ma ọ bụ carboxylic acid derivatives na-eme ka konkrīt dị mma n'ịtụ ya n'ụzọ na-ebelata nnukwu mmiri. Ihe na-eme mma a na-enye aka n'idi konkrīt n'ụzọ na-ebelatakwa mmiri-cement na ihe, mgbe ka konkrīt na-agba n'ụzọ dị mma, ihe dị mkpa n'ebe a na-atụ konkrīt n'ebe dị oke ndu ma ọ bụ na-adịghị nfe.
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