Ụbọchị nbipute:14,Mar,2023

Concrete admixtures na-ọtụtụ ebe na-eji na ụlọ, otú àgwà nke ihe admixtures na-emetụta àgwà nke oru ngo.Onye na-emepụta ihe na-eme ka mmiri na-ebelata mmiri na-ewebata adịghị mma nke admixtures ihe.Ozugbo enwere nsogbu, anyị ga-agbanwe ha.

Nke mbụ, ọnọdụ na-adịghị mma na-apụta mgbe a na-agwakọta ihe ọhụrụ, dị ka nhazi ngwa ngwa, ntọala ụgha na ihe ndị ọzọ, na-ebute nkwụsị ngwa ngwa.

Nke abụọ, ọbara ọgbụgba, nkewa na stratification nke ihe dị njọ, na ike siri ike na-ebelata n'ụzọ doro anya.

Nke atọ, a pụghị imeziwanye slump nke ihe ọhụrụ, ma ọ dị ka mmiri na-ebelata mmetụta nke ihe mgbakwunye sink adịghị mma.

Nke anọ, ihe shrinkage na-abawanye, impermeability na anwụ ngwa ngwa ibelata, na retarding mmetụta na nnukwu ebe ihe bụ ihe doro anya, na okpomọkụ dị iche cracks apụta.

Concrete admixtures nwere ike iweta nnukwu mma na-ewu ụlọ, na-eji ọtụtụ ebe na-ewu ụlọ.Anyị na-ama ẹkenam nhọrọ nke ihe admixtures tupu.Ebe a ọzọ anyị mesie nhọrọ nke nwekwara.

1. A ga-ahọrọ ụdị admixture dị ka nhazi injinia na ihe owuwu ihe a chọrọ, wee kpebisie ike dịka ule na nyocha teknụzụ dị mkpa na akụ na ụba.

2. Amachibidoro nke ọma iji ihe ngwakọta kọmpat na-emerụ ahụ mmadụ ma na-emetọ gburugburu ebe obibi.

3. N'ihi na ihe niile simenti nke ihe admixtures, anyị nwere ike ikwu na-eji Portland ciment, nkịtị Portland ciment, slag Portland ciment, pozzolanic Portland ciment, ofufe ash Portland ciment na mejupụtara Portland ciment.Ndụmọdụ na-ekpo ọkụ: anyị kwesịrị ịlele ngbanwe nke admixtures na ciment tupu ejiri ya.

4. Ihe eji eme ihe eji eme ihe eji eme ihe kwesiri ije ozi nke ugbua.Mgbe ikpe na-agwakọta ihe admixture, anyị kwesịrị iji akụrụngwa maka oru ngo, dabere n'ezie oru ngo ọnọdụ.

5. Mgbe ị na-eji ụdị admixtures dị iche iche, a ga-akwụ ụgwọ nlebara anya pụrụ iche maka ndakọrịta ha na mmetụta nke arụmọrụ ihe.Nhọrọ nke admixture ihe na-emesi ike ọzọ, nke na-egosi mkpa ọ dị na olileanya na ọ ga-enyere onye ọ bụla aka.