Mgbasawanye mgbasa ozi bụ teknụzụ dị mkpa iji tụọ ogo nke mgbochi - chụpụ.Hydroxypylthyl methyl cellulosebụ polymer na-agbanye mmiri, nke a makwaara dị ka polymer-soluble. Ọ na-eme ka ngwakọta nke ngwakọta site na ịba ụba viscosity nke mmiri agwakọta. Ọ bụ ụdị polymeric osisi hydrophilic, nke enwere ike ịgbaji na mmiri ma na-etolite ihe ngwọta ma ọ bụ mmiri na-agbasasị. Nnwale na-egosi na mgbe ego nke usoro Nafhalene System na-abawanye, mgbakwunye nke ike nke ga-ebelata mgbakwunye nke ngwa agha ciment ọhụrụ. Nke a bụ n'ihi na Nafthhalene Search Secordiedị dị mma nke na-ebelata ihe na-ebelata bụ onye na-eme ka ihe dị elu na-aga n'ihu, mmiri na-ebelata ihe dị elu nke ciment ahụ, mmiri ọkụ eletrik Ọdịdị cimes na-etolite site na nke na-ekenye, kechie n'ụdị ntọhapụ mmiri, ga-akpata ọnwụ nke akụkụ nke ciment. N'otu oge ahụ, achọpụtara ya na mmụba nke ọdịnaya HPMC, mgbasa nke osisi ciment dị mma karịa.
Isi ike nke ihe:
A na-etinye HPMC nke na-abụghị nke na-asọpụrụ na Witness Ntọala Ntanetị Ntanetị, yana ihe okike ga-aga C25. Mgbe ule dị mkpa, usoro ọgwụgwọ ciment bụ 400KG, jikọta agwakọta silica fume 25kg / m3,HpmcIhe kachasị mma bụ 0.6% nke ciment doses, mmiri ciment bụ 40%, ihe dị na ciment na ikuku 28d, nkezi ike bụ 42.6MPA, Nkezi ike nke mmiri n'okpuru mmiri wụsara ihe na-adịghị mma nke 60mm na mmiri bụ 36.4MPA ruo ụbọchị 28, na ihe a na-etolite na ikuku bụ 84.8%, na-egosi oke mmetụta.
1. Ihe mgbakwunye HPMC nwere mmetụta doro anya na ngwakọta ngwakọta. Site na mmụba nke usoro ọgwụgwọ HPMC, oge nrụpụta na-etolite nke ọma. N'okpuru otu ọnọdụ HPMC usoro, oge nrụpụta nke ngwa agha nke mmiri dị ogologo karịa nke ikuku. Njirimara a bara uru maka itinye mmiri n'okpuru.
2, gwakọtara ya na hydropyylthylthyl methyl cellulose nke ngwa agha ciment ọhụrụ nwere ezigbo cohesion, ọ fọrọ nke nta ọgbụgba ọbara ọgbụgba.
3, HPMC mosage na igba ogwu choro ibu uzo belatara ma megharia nke ukwuu.
4. Incorporation nke mmiri na-eme ka nsogbu na-abawanye nsogbu, mana ọ ga-achịkwa ya, ma ọ bụ na ọ ga-ebelata mkpọsa mmiri nke mmiri mmiri dị n'okpuru.
5. Ọ dị obere na usoro dị n'etiti HPMC agwakọta ciment ụgbụ, ma obere ọdịiche dị n'etiti mmiri awụsasịrị ciment ịwụsara ciment. Ihe dị ka afọ 28d n'okpuru mmiri na-atọgbọ. Isi ihe kpatara ya bụ na mgbakwunye nke HPMC nke ukwuu na-ebelata ọnwụ na mgbasa nke ciment n'oge mmiri na-awụpụ, kamakwa na-ebelata ogo ciment compaction. Na oru ngo a, n'okpuru onodu nke ihe ndi ozo di n'okpuru mmiri, a na - agwakọta ego HPMC dị ka o kwere mee.
6, tinyeHpmcMmiri ahụ anaghị emebi ihe dị mma, na-achịkwa ego dị mma, ọrụ ụgbọelu na-egosi na ike na-akpụzi ihe dị ka 84.8%, mmetụta ahụ dị mkpa.
Oge post: Apr-25-2024