Ntugharị na-acha uhie uhie bụ ihe a na-ejikarị ihe ndị ọzọ ofụ na-ejikarị, nke a ga-agbasawanye ya na mmiri iji mepụta emulsion mgbe ịkpọtụrụ mmiri mgbe ị na-akpọtụrụ mmiri. Na-agbakwunye ntụ ntụ mmiri na-acha uhie uhie nwere ike ime ka njigide mmiri dị mma nke ngwa agha ciment nke ọma, yana arụmọrụ nke njikọ, mgbanwe, adịghị ike na mgbochi nke ciment ciment siri ike. Ntụgharị ntụgharị na-agbanwe agbanwe agbanwe agbanwe na mmiri nke sistemụ ahụ na nri mmiri mmiri, yana coeesion ka mma site na ịgbakwunye ntụ ntụ. Mgbe ihichachara, ọ na-enye ala dị mma ma dịkwa mma nke nwere ike coresive, ma na-eme ka njikọta nke ájá, gravel na poes. , juputara n'ime ihe nkiri na interface, nke na-eme ka ihe ahụ gbanwee, na-ebelata moducus na-akpata ọgba aghara, ma nwee okpomọkụ na ebe nrụpụta na-enweghị nkwekọ.
E guzobere ihe nkiri polymer na-aga n'ihu dị oke mkpa na arụmọrụ nke ngwa agha ciment. N'oge ntọala na usoro cimening nke ciment, ọtụtụ oghere ga-emepụta n'ime, nke ghọrọ akụkụ na-adịghị ike nke ciment mado. Mgbe agbakwunyere na mbubreyo mbubreyo, mbubreyo ntụ ntụ ga-efesasịa ozugbo emulsion mgbe ọ na-ezute mmiri, ma na-ezukọ n'ógbè ahụ bara ụba (nke ahụ bụ, n'ime oghere). Ka ciment tapawa na ihe siri ike, mmegharị nke polymer na-amachibidokwa ya, yana esemokwu n'etiti mmiri na ikuku na-egbochi ha iji nwayọọ nwayọọ. Mgbe ụmụ akwụkwọ polymen na-abanye na ibe ha, netwọọk mmiri ahụ na-efesa site na capillaries, na polymer na-etolite ihe nkiri na-aga n'ihu, na-ewusi ike na-adịghị ike ndị a. N'oge a, ihe nkiri polymer ahụ enweghị ike ịme ọrụ hydrophobic, mana ọ bụghị igbochi capillary, nke mere na ihe ahụ nwere ezigbo hydrophodity na ikuku.
Mbechi ciment na-enweghị polymen bụ naanị jikọtara ọnụ jikọtara ọnụ. Kama nke ahụ, ngwa agha ciment ciment na-eme ka ngwa agha jikọtara n'ihi na ịdị adị nke polymer ihe nkiri, si otú a nweta akụrụngwa dị mma na ihu igwe na-eguzogide mmekọahụ. Na mbubreyo ntụ ntụ ciment ciment, mbubreyo ntụ ntụ ga-abawanye nzuzo nke mpaghara ntụgharị n'etiti mpaghara ciment na nchịkọta ahụ, na-ebute ntuzi mmiri nke na-agbanwe agbanwe. Mgbe e guzobere ntụ ntụ ahụ, ọ nwere ike ị na-egbochi pores nke mpaghara ntụgharị n'etiti ciment ma na-agbakọta agbagọ agbagọ agbago , na ike iguzogide mbuzi nke mgbasa ozi na - emerụ ahụ. O nwere mmetụta dị mma na imeziwanye ngwa ngwa ngwa agha.
Oge post: Mar-14-2023