1) Ịkwalite ike nke ciment slurry na ngwa agha bụ otu n'ime ihe ngosi nke arụmọrụ dị elu nke ihe.Otu n'ime isi ebumnuche nke ịgbakwụnye metakaolin bụ imeziwanye ike nke simenti ngwa ngwa na kọnkịrị.

Poon et al, Ike ya na 28d na 90d bụ nke simenti metakaolin, mana ike mmalite ya dị ala karịa simenti benchmark.Nnyocha na-egosi na nke a nwere ike jikọta ya na nnukwu agglomeration nke silicon ntụ ntụ na-eji na ezughị oke mgbasa na ciment slurry.

(2) Li Keliang et al.(2005) mụọ mmetụta nke calcination okpomọkụ, calcination oge, na SiO2 na A12O3 ọdịnaya kaolin na ọrụ nke metakaolin na-eme ka ike nke ciment kọnkịrị.A na-eji metakaolin kwadebe ihe siri ike dị elu na polymer ala.Nsonaazụ na-egosi na mgbe ọdịnaya nke metakaolin bụ 15% na mmiri ciment ruru 0.4, ike mkpakọ na ụbọchị 28 bụ 71.9 MPa.Mgbe ọdịnaya nke metakaolin bụ 10% na mmiri ciment ruru 0.375, ike mkpakọ na ụbọchị 28 bụ 73.9 MPa.Ọzọkwa, mgbe ọdịnaya nke metakaolin bụ 10%, index ọrụ ya ruru 114, nke bụ 11.8% dị elu karịa otu nha silicon ntụ ntụ.Ya mere, a kwenyere na a pụrụ iji metakaolin mee ihe iji kwadebe ihe siri ike dị elu.

Achọpụtara mmekọrịta nrụgide nrụgide axial-mmetụta nke ihe nwere 0, 0.5%, 10% na 15% metakaolin ọdịnaya.Achọpụtara na site na mmụba nke ọdịnaya metakaolin, ọnụ ọgụgụ kasị elu nke ike tensile axial nke ihe na-arị elu nke ukwuu, na modul elastic tensile nọgidere na-agbanwe agbanwe.Otú ọ dị, ike mkpakọ nke ihe amụbawanye nke ukwuu, ebe ike mkpakọ na-ebelata n'otu aka ahụ.Ike tensile na ike mkpakọ nke ihe nwere 15% kaolin ọdịnaya bụ 128% na 184% nke ihe ntụaka n'otu n'otu.
Mgbe ị na-amụ mmetụta ike nke ultrafine ntụ ntụ nke metakaolin na ihe, achọpụtara na n'okpuru otu mmiri ahụ, ike mkpakọ na ike ike nke ngwa agha nwere 10% metakaolin mụbara site na 6% ruo 8% mgbe ụbọchị 28 gachara.Nkwalite ike mmalite nke ihe agwakọta ya na metakaolin dị ngwa ngwa karịa nke kọmpụta ọkọlọtọ.E jiri ya tụnyere ihe benchmark, ihe nwere 15% metakaolin nwere mmụba 84% na ike mkpakọ 3D axial yana mmụba 80% na ike mkpakọ 28d axial, ebe modul elastic static nwere mmụba 9% na 3D yana mmụba 8%. na 28d.

A mụrụ mmetụta nke ngwakọta nke ala metakaolin na slag na ike na ịdịte aka nke kọnk.Nsonaazụ gosiri na ịgbakwụnye metakaolin na slag concrete na-eme ka ike na ịdịte aka nke ihe ahụ dịkwuo mma, na oke kacha mma nke slag na ciment dị gburugburu 3: 7, na-eme ka ike dị mma.Ọdịiche dị n'etiti konkte ihe mejupụtara dị ntakịrị elu karịa nke otu slag kọmnta n'ihi mmetụta ntụ mgbawa ugwu nke metakaolin.Ike ike mgbawa ya dị elu karịa nke kọmpụta benchmark.

A mụrụ ịrụ ọrụ, ike mkpakọ, na ịdịte aka nke kọnkịrị site na iji metakaolin, ash ufe na slag dị ka ihe eji dochie ciment, na ịgwakọta metakaolin na ntụ ijiji na slag iche iche iji kwadebe kọmpụta.Nsonaazụ na-egosi na mgbe metakaolin na-anọchi 5% na 25% simenti na nha nha, ike mkpakọ nke ihe n'oge ọ bụla na-akawanye mma;Mgbe a na-eji metakaolin dochie ciment site na 20% na nha nha nha, ike mkpakọ na afọ ọ bụla dị mma, na ike ya na 3d, 7d, na 28d bụ 26.0%, 14.3%, na 8.9% dị elu karịa nke kọnkịtị na-enweghị metakaolin. gbakwunyere, n'otu n'otu.Nke a na-egosi na maka simenti Ụdị II Portland, ịgbakwụnye metakaolin nwere ike imeziwanye ike nke ihe a kwadebere.

Iji ígwè slag, metakaolin, na ihe ndị ọzọ dị ka isi akụrụngwa iji kwadebe simenti geopolymer kama iji simenti Portland omenala, iji nweta ebumnobi nke nchekwa ike, mbelata oriri, na ịtụgharị ihe mkpofu ka ọ bụrụ akụ.Nsonaazụ gosiri na mgbe ọdịnaya nke ígwè na ofufe ash bụ ma 20%, ike nke ule ngọngọ na 28 ụbọchị ruru nnọọ elu (95.5MPa).Ka ọnụ ọgụgụ nke slag ígwè agbakwunyere na-abawanye, ọ pụkwara ịrụ ọrụ ụfọdụ n'ibelata mbelata nke ciment geopolymer.

Iji teknụzụ ụzọ nke "Portland ciment+ arụ ọrụ ịnweta admixture+ elu-arụmọrụ mmiri mbenata gị n'ụlọnga", magnetized mmiri ihe technology, na ot nkwadebe Filiks, nnwale e duziri na nkwadebe nke ala-carbon na ultra-elu ike nkume slag concrete iji. akụrụngwa dị ka nkume na slag sitere n'ọtụtụ ebe dị iche iche mpaghara.Nsonaazụ na-egosi na usoro ọgwụgwọ metakaolin kwesịrị ekwesị bụ 10%.Ọnụ ọgụgụ dị ukwuu na ike nke onyinye ciment maka otu unit nke ultra-high ike nkume slag concrete bụ ihe dị ka ugboro 4.17 nke ihe nkịtị, 2.49 ugboro nke nnukwu ike (HSC), na 2.02 ugboro nke reactive powder concrete (RPC). ).Ya mere, ultra-high ike nkume slag concrete kwadebere na ala dosage ciment bụ ntụziaka nke ihe mmepe na ala-carbon aku na uba oge.

(3) Mgbe agbakwunyere kaolin na ntu oyi na-eguzogide ihe, a na-ebelata oke pore nke ihe ahụ, na-eme ka usoro nkwụsịtụ nke ihe ahụ na-eme ka ọ dịkwuo mma.N'okpuru ọnụ ọgụgụ ụfọdụ nke cycles friza-thaw, modul na-agbanwe nke ihe nlele nke nwere ọdịnaya kaolin 15% n'ime ụbọchị 28 dị elu karịa nke ihe nrụtụ aka na ụbọchị 28.Ngwa ngwakọta nke metakaolin na ihe ndị ọzọ ịnweta ultrafine ntụ ntụ nwekwara ike imeziwanye ịdịte aka nke kọnkịrị.