Ụbọchị nbipute:14,Febụwarị,2022
Iji admixtures kwalite uru ndị metụtara ya:
Concrete agwakọta ya na ihe mgbakwunye ndị metụtara ya, dị ka onye na-ebelata mmiri na-arụ ọrụ dị elu na onye na-ahụ maka ike mmalite, nwere ike ime ụbọchị 7 nke ike karịa ugboro 1, belata ọnụ ọgụgụ ọbara ọgbụgba, melite ọnụego mbelata mmiri, yana na ọkọlọtọ 28 ụbọchị mgbe oke ike mkpakọ gachara. nwere ike iru karịa 150%, ya mere na nkwadebe nke ike dị elu ma ọ bụ ultra high ike ihe dị mfe iji nweta.Na ike nke ihe gwakọtara na admixture mma n'otu oge ahụ, melite workability na mmiri secretion, na mezie ikuku ọdịnaya, melite corrosion eguzogide, alkali mkpokọta mmeghachi omume, melite nchara nchara na-eguzogide, melite cohesive ike, nke a abụghị naanị. gbasaa ihe eji eme ihe nke ihe, ma chekwaa ihe owuwu, chekwaa ciment ma ọ bụ dochie ciment pụrụ iche.Na na ihe weere na ngwa ngwa ọnọdụ ụdị mmiri mbenata gị n'ụlọnga, nwere ike ịgbanwe ntọala oge, melite pumpability, egbu oge ihe ntọala oge na hardening oge, nwere ike izute dị iche iche engineering, karịsịa uka ihe engineering ewu na àgwà chọrọ.Mgbe ị na-ahọrọ admixture na ihe, ọ dị mkpa iji tụlee àgwà nke ciment iche iche na ihe ndị ọzọ n'otu oge ahụ, ma họrọ ụdị dị iche iche nke mmiri na-ebelata ihe dị iche iche dị iche iche.Mgbe ị na-ahọrọ onye na-ebelata mmiri, ọ dị mkpa iji tụlee akụ na ụba ma ṅaa ntị na nkwụsi ike dị mma nke onye na-ebelata mmiri.Ọ bụrụ na izute nsogbu na ciment na admixture adịghị eji, ga-ewepụ nchegbu ihe site ule, họrọ kwesịrị ekwesị mmiri mbenata gị n'ụlọnga ụdị, analysis ciment nchegbu àgwà nsogbu, chọpụta kwesịrị ekwesị admixture ibu, ihe mix ruru mmetụta.Na ngwakọta ojiji nke ọtụtụ admixtures, ọ dị mkpa ịṅa ntị na ndakọrịta n'etiti iche na mmetụta nke ihe arụmọrụ, kwesịrị ịnwale tupu ojiji, dị ka polycarboxylic acid usoro elu-arụmọrụ mmiri reducer na naphthalene usoro mmiri reducer ekwesịghị ịbụ. ngwakọta eji.Na mmepe na ngwa nke ihe admixture, o meriri adịghị ike nke ala ike, elu brittleness na na, na hụ na continuity nke ewu, ukwuu shortened oge ịgba, kwalite mmepe nke eruba ihe technology na ọhụrụ technology nke pumping na. agbapụta, na accelerated mmepe nke azụmahịa ihe.Mmepe nke kọmpụta azụmahịa ewetala ezigbo uru akụ na ụba na nchekwa gburugburu ebe obibi na ụlọ ọrụ ihe owuwu nke China, ma kwalitekwa mmepe nke ụlọ ọrụ ihe owuwu na nkwalite teknụzụ ihe owuwu.
Ụzọ teknụzụ iji ghọta oriri mmiri dị ala na ihe owuwu ihe:
Concrete workability e ji mara bụ eruba na ya ike akara, tumadi dabere na ihe unit mmiri oriri na mmiri ciment ruru (mmiri ciment ruru).Mgbe emebe ngwakọta ruru nke elu arụmọrụ ihe, mmiri oriri ka izute ya workability dị ka ọnọdụ, mgbe ego nke mmiri oriri, ịchịkwa larịị nke ihe ike bụ kpọmkwem ihe.
Mgbe ụfọdụ mgbe na-adịghị eji ihe mgbakwunye, na-eji a ụfọdụ mmiri mgbe izute workability chọrọ) (ya bụ, na slump, ma ike ya bụ mgbe apụghị inwe na, na ọbụna enweghị ike izute ike imewe, nke a bụ n'ihi na mmiri ciment ruru. , na usoro nke ciment na iji mezuo ihe ndị a chọrọ, n'ihi ya, ọ gaghị enwe ike ịmepụta nhazi ngwakọta kwesịrị ekwesị;
Concrete na a ala ogo nke ọdịda, ike dịtụ mfe imeziwanye, ma ya workability bụghị.Ya mere, iji hụ na ma workability na iji hụ na ike adịghị ebelata ma ọ bụ ọbụna mma, anyị ga-eji mkpa admixture.Ọtụtụ mmiri mmiri ibelata mmetụta nke ihe na elu arụmọrụ mmiri mbenata gị n'ụlọnga, mma workability nke ihe, na ibelata dosage nke ciment, ọ bụghị naanị nweta otu ihe ọkwa, zọpụta 15% ~ 25% nke ciment, na-eme ka ihe owuwu, arụmọrụ. melite liquidity, ọnụ ala, nke ukwuu izute chọrọ nke modernization ewu na pụrụ iche engineering mkpa.
Oge nzipu: Feb-14-2022