Uzuzu latex na-agbanwe agbanwe nwere ike imeziwanye ihe nke ngwa agha dị ka ike mgbanwe na ike adhesion, n'ihi na ọ nwere ike ịmepụta ihe nkiri polymer n'elu akụkụ ngwa agha. Enwere pores n'elu ihe nkiri ahụ, na elu nke pores jupụtara na ngwa agha, nke na-ebelata nrụgide nrụgide. Na n'okpuru omume nke ike mpụga, ọ ga-emepụta ntụrụndụ na-enweghị imebi. Tụkwasị na nke ahụ, ngwa agha ahụ na-etolite ọkpụkpụ siri ike mgbe ciment gbasasịrị mmiri, na polymer na ọkpụkpụ ahụ nwere ọrụ nke nkwonkwo na-ebugharị, nke yiri anụ ahụ nke ahụ mmadụ. Enwere ike iji akpụkpọ ahụ nke polymer kpụrụ na nkwonkwo na nkwonkwo, iji hụ na ngbanwe na mgbanwe nke ọkpụkpụ siri ike. ike.
N'ime usoro ciment nke a na-agbanwe agbanwe nke polymer, ihe nkiri polymer na-aga n'ihu na nke zuru oke na-ejikọta ya na ciment tapawa na ájá ájá, na-eme ka ngwa agha ahụ dum dịkwuo mma ma dị njọ, ma n'otu oge ahụ na-eme ka netwọk na-agbanwe agbanwe site na-ejuputa capillaries na cavities. Ya mere, ihe nkiri polymer nwere ike ibunye nrụgide na nrụgide na-agbanwe nke ọma. Ihe nkiri polymer nwere ike mechie mgbawa nke mbelata na interface polymer-mortar, gwọọ mkpọnwụ ahụ, ma melite ike njichi na njikọta nke ngwa agha ahụ. Ọnụnọ nke ngalaba polymer na-agbanwe nke ukwuu na nke na-agbanwe agbanwe na-eme ka mgbanwe na ngbanwe nke ngwa agha ahụ dịkwuo mma, na-enye njikọ na omume siri ike na ọkpụkpụ siri ike. Mgbe a na-etinye ike dị n'èzí, usoro mgbasa ozi microcrack na-egbu oge n'ihi mgbanwe dị mma na ngbanwe ruo mgbe a ga-enweta nrụgide dị elu. Ngalaba polymer kpara akpa na-arụkwa ọrụ dị ka ihe mgbochi na njikọta nke microcracks banye n'ime oghere. Ya mere, ntụ ntụ polymer na-agbanwe agbanwe na-eme ka nrụgide ọdịda na ọdịda ọdịda nke ihe ahụ dịkwuo mma.
Ịtinye ntụ ntụ latex na ngwa ngwa ciment ga-emepụta ihe nkiri netwọk polymer na-agbanwe nke ukwuu, nke ga-eme ka arụ ọrụ nke ngwa agha dịkwuo mma, karịsịa ike nkwụsị nke ngwa agha ga-akawanye mma. Mgbe a na-etinye ike dị n'èzí, n'ihi mmụba nke mkpokọta mkpokọta nke ngwa agha na nro dị nro nke polymer, ihe omume nke micro-cracks ga-ewepụ ma ọ bụ mee ka ọ daa. Site na mmetụta nke ọdịnaya ntụ ntụ latexr na ike nke mkpuchi mkpuchi thermal, a na-achọpụta na ike nke ike nke mkpuchi mkpuchi ọkụ na-abawanye na mmụba nke ọdịnaya ntụ ntụ latex; ike mgbanwe na ike mkpakọ nwere ogo ụfọdụ na mmụba nke ọdịnaya ntụ ntụ latex. Ogo nke ọdịda, ma ka na-emezu ihe ndị a chọrọ nke mgbidi mpụta imecha.
Ngwa ngwa ciment gwakọtara ya na ntụ ntụ latex, ike njikọ ya 28d na-abawanye na mmụba nke ọdịnaya ntụ ntụ latex. Site na mmụba nke ọdịnaya uzuzu latex, a na-eme ka ikike ijikọ nke ciment mortar na simenti ihe ochie dị elu, nke na-eme ka uru ya dị maka ịrụzi pavement ciment na ihe ndị ọzọ. Ọzọkwa, nha mpịachi nke ngwa agha na-abawanye na mmụba nke ọdịnaya ntụ ntụ latex, na mgbanwe nke ngwa agha elu na-akawanye mma. N'otu oge ahụ, a chọpụtakwara na site na mmụba nke ọdịnaya ntụ ntụ latex, modul na-agbanwe nke ngwa agha na-ebu ụzọ belata wee mụbaa. N'ozuzu ya, na mmụba nke mkpokọta ntụ ntụ, modul na-agbanwe na nrụrụ nke ngwa agha dị ala karịa nke ngwa ngwa nkịtị.
Oge nzipu: Mar-14-2023