ububo

Mgbe a gwakọtara ciment na mmiri, n'ihi ihe na-adọrọ mmasị n'etiti ciment modecules na ngwọta, na-akwụ ụgwọ nke ciment na usoro ụfọdụ nke mmiri ara ehi Nkiri mgbe a na-eme ihe mkpuchi ciment. jikọtara ọnụ, nke mere na ciment slurry na-emepụta ihe ndozi. A na-eji mmiri akpọkọta nnukwu mmiri, nke mere na mmiri na-eme ka mmiri gharazie ya, na-ebute oke na oke mmiri na ọdịda iji nweta ọrụ owuwu achọrọ.

Mgbe ị na-agbakwunye nke ukwuu, hydrophobic ìgwè nke ebubo ebubo na-ekwu okwu na-asọ oyi, na hydrophilic otu na-egosi na elu ala, na-akpụpụta ihe nkiri Shororple, nke mere na elu nke ciment na-enwe otu ụgwọ. N'okpuru ihe mkpuchi eletrik, a na-ekewapụ cent ciment na ibe ha, yana usoro ịgha mkpụrụ ciment na-emebi emebi. N'otu aka, mmiri na-akwụghị ụgwọ na floccutions owuwu nke ciment slurry dị na kọntaktị n'etiti ciment na mmiri, si otú ahụ na-abawanye mmiri nke ngwakọta ahụ; Ọzọkwa, mmiri ahụ dị n'etiti ciment na-abawanye n'ihi oke nke solvated ihe nkiri mmiri some ahụ guzobere n'elu ciment. Nke a bụ ụkpụrụ ahụ na-ebelata ndị ọrụ na-ebelata oke oriri n'ihi mgbasa ozi, mgbasa, wettication na lubrication na lubrication.

5.5 (1)

Prinkpụrụ: Na nkenke, mmiri na-ebelata onye na-echebe na-abụkarị ndị mgbasa ozi na-ahụkarị n'elu ciment. A na-ewepụta ibe ya na ụgwọ ọrụ ọkụkụ, nke mere na a na-ekesasị ciment ahụ, na mmiri ahụ na-emebi emebi karịa ihe irighiri mmiri iji belata mmiri. N'aka nke ọzọ, mgbe ị na-eme ka mmiri na-ebelata ihe na-ebelata, a na-ehiwe ihe nkiri ciment, nke na-emetụta uto hydration nke ciment, na-eme ka ihe dị mma na netwọkụ Ojiji, ma mee ka ike na usoro njupụta ciment slurry.

Mgbe slump nke ihe bụ otu ihe ahụ, a na-eme ka a na-akpọ ebe a na-akpọ mmiri ihe na-eme ka mmiri belata. A na-ekegharị mmiri na-ebelata na mmiri na-ebelata na-ebelata nganga na oke arụmọrụ na-ebelata. A na-akpọ ndị nwere mmiri mmiri na-erughị ma ọ bụ hara nhata 8% mmiri na -ebelata, ndị nwere mbelata mmiri karịa 8% na -ebelata oke arụmọrụ. Dabere na nsonaazụ dị iche iche nke na-enweghị atụ nwere ike ibute ihe, a na-ekewa ha na mmalite-ike na-abanye na ikuku.

Site na iwebata ọrụ nke ịgbakwunye mmiri na-ebelata ihe na-eme ka onye na-elekọta ya, anyị nwere nghọta doro anya nke nsogbu ịtinye mmiri na-ebelata na-ewu ụlọ ọrụ. N'ọnọdụ dị mfe, ọrụ nke mmiri na-ebelata onye na-eme ka ihe dị elu bụ nke dị elu, nke nwere ike ime ka ciment mee ihe site na akụrụngwa dị n'etiti anụ ahụ nke otu ụgwọ ahụ, si otú a belata mmiri.


  • Nke gara aga:
  • Osote:

  • Oge post: May-05-2022
    TOP