Mmetụta nke apịtị ọdịnaya nke ájá napolycarboxylate superplasticizerna-egbukarị egbu, nke pụtara ìhè karịa usoro naphthalene na aliphatic superplasticizers. Mgbe apịtị ọdịnaya na-abawanye, na workability nke ihe na-mma site na-amụba ego nkepolycarboxylate superplasticizer, mgbe ụfọdụ na ọkara mgbalị, na mgbe ụfọdụ ọbara ọgbụgba na-amalite tupu mmiri erute. Mgbe ọdịnaya apịtị nke nchịkọta dị mma gafere 5%, ọnụ ọgụgụ mbelata mmiri nke ihe na-agwakọta yapolycarboxylate superplasticizerga-ebelata, na ọbụna ndị
fluidity ga-efu kpamkpam, na slump ọrụ njide ga-adịkwa njọ. N'ihi na ọdịnaya nke nkume ntụ ntụ, ọ dịkwa mkpa na-eme na-na saịtị ule ọtụtụ ugboro iji ezi uche na-achịkwa ọdịnaya nke nkume ntụ ntụ, nke mere na uche nwere ike na-achịkwa nke ọma, na fluidity nke ihe nwere ike na-ekwe nkwa, na arụmọrụ nke. ihe nwere ike kachasị.
Maka nsogbu dị ugbu a nke ọdịnaya apịtị, enwere ọtụtụ ihe ngwọta a na-ahụkarị:
(1) Mụbaa usoro onunu ogwu ma ọ bụ mee ka ọnụ ọgụgụ nke onye na-ejigide slump na-ahapụ ngwa ngwa, ma na-achịkwa ego iji gbochie nsogbu nke ịcha edo edo, ọbara ọgbụgba, nkewa, ijide ala na ihe nkwụsịtụ oge dị ogologo;
(2) Gbanwee ọnụ ọgụgụ ájá ma ọ bụ mee ka ọnụọgụ ikuku na-eku ume. N'ihe gbasara ijide n'aka na ịrụ ọrụ dị mma na ike dị mma, belata ọnụ ọgụgụ ájá ma ọ bụ mee ka ikuku na-eme ka ikuku dịkwuo elu iji nweta nzube nke ịba ụba mmiri n'efu na slurry nke usoro ihe. iji dozie ihe eji eme ihe;
(3) Tinye ma ọ bụ gbanwee ihe ndị ahụ n'ụzọ kwesịrị ekwesị iji dozie nsogbu ahụ. Nnwale egosiwo na ịgbakwụnye sodium metabisulfite kwesịrị ekwesị, sodium thiosulfate, sodium hexametaphosphate, na sodium sulfate na ihe na-ebelata mmiri nwere ike ibelata mmetụta nke ọdịnaya apịtị na kọmpụta ruo n'ókè ụfọdụ.
N'ezie, ụzọ ndị a dị n'elu enweghị ike idozi nsogbu niile nke ọdịnaya apịtị, na mmetụta nke apịtị na-adịgide adịgide chọrọ nyocha ọzọ, ya mere ihe ngwọta bụ isi bụ iji belata apịtị nke akụrụngwa.
Oge nzipu: Mee-18-2022
