Na mbụ, a na-eji admixtures mee ihe naanị iji chekwaa ciment. Site na mmepe nke teknụzụ ihe owuwu, ịgbakwunye admixtures aghọwo ihe dị mkpa iji meziwanye arụmọrụ nke ihe.
Concrete admixtures na-ezo aka n'ihe ndị agbakwunyere iji melite ma na-achịkwa arụmọrụ nke kọnkịta. Ngwa nke ihe admixtures na injinia na-enweta nlebara anya na-abawanye ụba. Mgbakwunye nke admixtures na-arụ ọrụ ụfọdụ n'ịkwalite arụmọrụ nke ihe, ma nhọrọ, usoro mgbakwunye, na mgbanwe nke admixtures ga-emetụta mmepe ha nke ukwuu.
N'ihi na e nwere nnukwu arụmọrụ mmiri na-ebelata ihe ndị na-eme ka mmiri dị elu, a na-etinye ihe dị elu nke mmiri mmiri, ihe nkedo onwe ya, na ihe siri ike dị elu; N'ihi na
ọnụnọ nke thickeners, arụ ọrụ nke mmiri n'okpuru mmiri emewo ka mma. N'ihi ọnụnọ nke retarders, agbatịwo oge nhazi nke ciment, na-eme ka o kwe omume ibelata mfu mkpọda na ịgbatị oge ọrụ ihe owuwu. N'ihi ọnụnọ nke antifreeze, a na-ebelata ebe na-ekpo ọkụ nke ngwọta, ma ọ bụ nrụrụ nke kristal kristal adịghị akpata mmebi ntu oyi.
Nkwarụ n'onwe ya:
A na-ekpebi arụmọrụ nke kọnkịtị site na nha nke ciment, ájá, gravel na mmiri. Iji meziwanye arụmọrụ ụfọdụ nke ihe, enwere ike ịhazi oke nke akụrụngwa. Mana nke a na-ebutekarị mfu n'aka nke ọzọ. Dịka ọmụmaatụ, iji mee ka mmiri na-emepụta ihe na-emepụta ihe, enwere ike ịbawanye mmiri nke ejiri mee ihe, ma nke a ga-ebelata ike nke ihe. Iji mee ka ike mbụ nke kọmpụta dịkwuo mma, ọnụ ọgụgụ nke ciment nwere ike ịba ụba, ma na mgbakwunye na ọnụ ahịa na-abawanye ụba, ọ nwekwara ike ime ka mbelata na ihe na-akpụ akpụ.
Ọrụ nke ihe admixtures na-arụ ọrụ:
Iji ihe mgbakwunye ihe nwere ike zere ntụpọ ndị ahụ a kpọtụrụ aha n'elu. Na ikpe ebe e nwere obere mmetụta na ndị ọzọ Njirimara nke ihe, ojiji nke ihe admixtures nwere ike ukwuu melite a ụfọdụ ụdị arụmọrụ nke ihe.
Dịka ọmụmaatụ, ọ bụrụhaala na 0.2% na 0.3% calcium lignosulfonate na-ebelata mmiri na-agbakwunye na ihe ahụ, slump nke ihe ahụ nwere ike ịba ụba karịa ugboro abụọ n'ebughị ibu mmiri; Ọ bụrụhaala na 2% ruo 4% sodium sulfate calcium sugar (NC) mejupụtara ihe mejupụtara ya na-agbakwunye na ihe ahụ, ọ nwere ike melite ike mmalite nke ihe ahụ site na 60% ruo 70% na-enweghị ịba ụba nke ciment, ma nwee ike imeziwanye ike oge nke ihe ahụ. Ịgbakwunye mgbochi mgbawa compactor nwere ike imeziwanye mgbape mgbape, enweghị ike, na ịdịte aka nke ihe, na-eme ka ike dị ogologo oge dịkwuo mma.
Oge nzipu: Mee-29-2023
