Dị ka a na-ekwu, "ọkachamara na-ele anya n'ọnụ ụzọ, onye nkịtị na-ele ìgwè mmadụ anya", ike mmalite nke ciment na-eto ngwa ngwa, ike na-emesị na-eto nwayọọ nwayọọ, ọ bụrụ na okpomọkụ na iru mmiri kwesịrị ekwesị, ike ya ka nwere ike ịmalite nwayọọ nwayọọ na. afọ ole na ole ma ọ bụ afọ iri. Ka anyị kwuo banyere ojiji nke usoro nke calciumiji dozie nsogbu nke ntọala ciment na hardening.
Ịtọ oge bụ otu n'ime ihe ngosi arụmọrụ dị mkpa nke ciment
(1) A na-eji hydration nke ciment mee nke nta nke nta site na elu ruo n'ime. Site na oge na-aga n'ihu, ogo hydration nke ciment na-abawanye, ngwaahịa hydration na-abawanye ma na-ejuputa pores capillary, nke na-ebelata porosity nke pores capillary ma na-abawanye porosity nke pores gel.
Calcium usoro nwere ike iwelie mkpokọta nke Ca 2+ na mmiri mmiri, mee ngwangwa mgbasa nke calcium silicate, na mmetụta co-ionic ga-eme ka crystallization dịkwuo elu, na-abawanye oke nke usoro siri ike na ngwa agha, nke na-eme ka e guzobe ciment. ihe owuwu nkume.
The dispersion na viscosity nkeusoro nke calcium na ngwa agha ka a mụrụ site na-enyocha ọdịdị ya, ịdị mma, ọdịnaya formate na solubility na mmiri oyi. A nwalere ma atụnyere njirimara nke ngwaahịa calcium formate na ike njikọ dị na ngwa plasta.
okpomọkụ
(2) Okpomọkụ na-enwe mmetụta dị ukwuu na nhazi na ike siri ike nke ciment. Mgbe okpomọkụ na-abawanye, mmeghachi omume hydration na-eme ngwa ngwa, ike ciment na-abawanye ngwa ngwa. Mgbe okpomọkụ na-ebelata, hydration na-ebelata ma ike na-abawanye nwayọọ nwayọọ. Mgbe okpomọkụ dị n'okpuru 5℃, hydration hardening na-ebelata nke ukwuu. Mgbe okpomọkụ dị n'okpuru 0℃, mmeghachi omume hydration na-akwụsị kpamkpam. N'otu oge ahụ, n'ihi okpomọkụ n'okpuru 0° C, mgbe mmiri ahụ kwụsịrị, ọ ga-ebibi ihe owuwu simenti.
Na obere okpomọkụ, mmetụta nkeusoro nke calciumna-ekwukwa karịa.Calcium usorobụ ọhụrụ ala okpomọkụ na mmalite ike coagulant mepụtara na China, na anụ ahụ Njirimara nke usoro nke calciumdịtụ kwụsiri ike na ụlọ okpomọkụ, adịghị mfe agglomerate, ọzọ adabara ngwa na ngwa agha.
iru mmiri
(3) Nkume simenti na gburugburu ebe iru mmiri nwere ike idowe mmiri zuru oke maka hydration na condensation na hardening, na hydration nke a na-emepụta ga-emekwuwanye oghere ma kwalite ike nke nkume ciment. Usoro iji nọgide na-enwe okpomọkụ na iru mmiri nke gburugburu ebe obibi, nke mere na ike nke nkume ciment na-aga n'ihu na-eto eto, a na-akpọ nlekọta. Mgbe ị na-achọpụta ike nke ciment, a ghaghị ịgwọ ya ruo afọ a kapịrị ọnụ na ọnọdụ okpomọkụ a kapịrị ọnụ na iru mmiri.
Calcium usoroonye na-ahụ maka ike mmalite bụ onye na-ahụ maka ike mmalite nke nwere nnukwu ngwa ngwa yana ezigbo mmetụta. Ọnụ ọgụgụ dị ukwuu nke nnwale ọmụmụ egosila na ojiji nke calcium formate mmalite ike gị n'ụlọnga nwere mmetụta dị ịrịba ama na shortening mwube oge na melite mmalite ike nke ihe, na nwekwara ike n'ụzọ dị irè gbochie kefriza mmebi nke ihe n'okpuru ala okpomọkụ ọnọdụ.
Oge nzipu: Jun-04-2024