ew na elu chọrọ maka arụmọrụ nke concrete.Since nkwalite nke ihe admixtures na 1940s, mmepe ya abụghị nanị gbanwere esịtidem Ọdịdị nke siri ike ihe si microscopic na submicroscopic etoju, ma gbanwee Ọdịdị nke ọhụrụ ihe na usoro. .Concrete admixture, nke a makwaara dị ka dispersant ma ọ bụ plasticizer, bụ ihe a na-ejikarị eme ihe na ihe dị mkpa.

Iji kwadebe ihe ọhụrụ nke nwere ihe ndị dị mma na-asọpụta, usoro viscous nke na-ebelata eruba n'etiti ciment irighiri ga-abụ disassembled, nke mere na ciment ahụ nwere ike gbasasịa n'ụzọ zuru ezu na mmiri mmiri.Enwere ọtụtụ ihe na-emetụta nchikota ciment, dị ka ihe mejupụtara nke simenti, ọdịdị na nha nke simenti, iguzosi ike n'ezi ihe nke ịnweta crystallization, na ọnọdụ ọrụ na ihe gburugburu ebe obibi.Ihe ndị a dị n'elu na-achịkwa ozugbo ma ọ bụ n'ụzọ na-adịghị mma na-achịkwa nkwụsi ike nke cement ciment na slurry.Ọnọdụ dị iche iche dị iche iche nwere ike ịgbanwe uru nke ụgwọ eletriki nke cement cement na slurry, ya bụ, gbanwee nkwụsị nke electrostatic n'etiti ihe ndị ahụ.

Mgbe ihe kwesịrị ekwesị ego nke ihe admixture na-agbakwunyere na ọhụrụ ihe, isi nke ciment ahụ na-abawanye, na eletriki repulsion n'etiti ciment ahụ na-abawanye nke ukwuu, na-akpata mbelata na viscosity nke ọhụrụ ihe, nke na-akwalite nkwụsi ike nke. dum dispersion usoro.mụbara, na liquidity na-akawanye mma.

N'ozuzu, ịgbakwụnye ihe kwesịrị ekwesị nke ihe admixture n'ime ciment mado nwere ike ịkwalite ihe ọhụrụ ahụ iji gosi thixotropy siri ike.Nke a bụ n'ihi na e guzobere oyi akwa ihe nkiri na-edozi n'elu akụkụ ciment nke a na-agbanye na mmiri na-ebelata mmiri na mmụba nke ike.Ọ bụrụ na enwere ntakịrị mkpọtụ, ọ ga-egosi mmiri dị mma.The thixotropy nke ọhụrụ ihe na-enweghị superplasticizer bụ nnọọ ike ọgwụgwụ.