Ụbọchị nbipute: 23, Ọkt, 2023
Ndị na-emepụta ihe na-ebelata mmiri na-emepụta ihe na-ebelata mmiri, ma mgbe ha na-ere ihe ndị na-ebelata mmiri, ha ga-etinyekwa mpempe akwụkwọ ngwakọta nke ihe na-ebelata mmiri. The Water–ciment ruru na ihe ngwakọta ruru emetụta ojiji nkepolycarboxylate superplasticizer. Polycarboxylate superplasticizersna-enwe mmetụta nke ukwuu maka oriri mmiri. Mgbe ị na-akwadebe ihe C50 na oru ngo nke, nhazi mbụ nke mmiri-ciment ruru 0.34%. Nnwale ahụ chọpụtara na mmiri mmiri ahụ adịghị mma, ya mere a na-edozi oke mmiri-ciment ka ọ bụrụ 0.35%, na oriri mmiri kwa mita cubic mụbara site na ọtụtụ kilogram.
Ọ bụ ezie na slump ahụ abawanyela, a ka nwere nnukwu ihe nkedo na ọbụna nkewa, nke na-emetụta n'ozuzu uniformity nke ihe. Ịgbakwunye obere ihe na-ejigide mmiri na-eme ka ọ bụrụ nnukwu nsogbu maka ụlọ ọrụ ahụ. Oke aja nke ihe na-emetụtakwa nsonaazụ ngwa nke poly Carboxylate superplasticizer. Mgbe ị na-eji ihe ndị na-ebelata mmiri dị elu nke a na-ejikarị eme ihe, enwere ike ịbawanye oke aja n'ụzọ kwesịrị ekwesị ma nwee ike imeziwanye mmiri nke konkịtị.
Mgbe agwakọta yapolycarboxylate superplasticizer, oke aja dị elu na mmiri mmiri nke kọnkịta adịghị mma. Agbụ ngwaahịa nkepolycarboxylate superplasticizerụdị mmiri na-ebelata ihe ndị nwere ikuku ikuku nwere mkpụrụ ndụ carboxyl adsorption ma nwee ọnụ ọgụgụ buru ibu nke alaka. Agbụ n'akụkụ Polyether na-enye ihe mgbochi siri ike, ebe polyethers nwere ihe ndị na-eku ume.
N'ihi ọdịiche dị na usoro mmepụta na ọdịiche dị arọ nke molecular na akụrụngwa nke ndị na-emepụta ihe dị iche iche na-eji, enwekwara nnukwu ọdịiche dị na ikike ntinye ikuku. N'ime ọtụtụ ngwaahịa poly Carboxylate superplasticizer anyị nwalere, ọnụ ọgụgụ ọbara dị ala bụ naanị 3%, nke dị elu bụ 6%, ụfọdụ ngwaahịa ruru 8%.
Ya mere, mgbe ị na-eji ihe ndị na-ebelata mmiri na-arụ ọrụ nke ọma, ọ dị mkpa iji mee nyocha tupu iji ya eme ihe, wee gwakọta ya dịka ọnọdụ nke ọrụ ahụ si dị.
Oge nzipu: Ọktoba 23-2023
