Afstract:
Thelọ ọrụ na-ewu ụlọ na-arụ ọrụ dị mkpa na ịkpụzi ụwa nke oge a, nke nke ciment bụ ihe mgbochi ụlọ bụ isi. Ruo ọtụtụ afọ, ndị na-eme nchọpụta na ndị injinia nọgidere na-achọ ụzọ ha ga-esi meziwanye mma na ịrụ ọrụ ciment. Otu onye na-ekwe nkwa Avenue na-agụnye mgbakwunye nke ihe mgbakwunye, nke ihe calcime ghọrọ onye ọkpụkpọ ama ama.
Nke Mbụ:
Cent bụ akụrụngwa dị oke mkpa nke iwu ụlọ na-achọ mgbanwe na-aga n'ihu iji mezuo mkpa ụlọ ọrụ na-agbanwe. Agbakwunye ihe mgbakwunye egosila na ọ bụ atụmatụ dị irè maka imezi akụkụ dị iche iche nke ciment. Kọwaa, onyinye nke mmeghachi omume nke calum oxide na ụdị acid, a dọtara uche maka ike ya iji melite Njirimara nke ciment. Isiokwu a bu n'obi ime ka ụzọ nke calcium mepụta ogo ciment na arụmọrụ.
Calciem mejupụtara akụrụngwa kemịkal:
Tupu ịtọpụ n'ime mmetụta nke calcium guzobere na ciment, ọ dị oke mkpa iji ghọta nke onwu nke a. Kọwaa kọmpụta na-acha ọcha na-acha ọcha na kemịkalụ usoro kemịkalụ (hcoo) 2. Ọ bụ mmiri na-agbanye mmiri ma nwee ngwa ngwa. Njikọ pụrụ iche nke calcium ma mejupụta eyments na-enye ihe onwunwe doro anya, na-eme ya kwesịrị ekwesị maka ọtụtụ ngwa, gụnyere mmelite nke ciment.
Usoro:
Incorporation nke calcium guzobere n'ime ngwakọta cent na-ewebata ọtụtụ usoro na-eme ka arụmọrụ dịkwuo mma. Otu usoro isi usoro gụnyere ịmịcha ciment hydration. Calcium kọwaa ọrụ dị ka ihe na-eweta ihe na-eme ka a ga-esi dozie hydrates dịka calcium dị nkọ hydrate (csh) na enttring. Mgbatị a na - arụpụta oge ntọala ngwa ngwa ma mụbara mmepe mmalite.
Ọzọkwa, calcium guzobere ọrụ dị ka saịtị nacleanion maka ịmịcha mmiri na-emetụta naanị microscure nke ciment Matriks. Ndozi a rụpụta ya na denser na nkesa hydrave na-edokarị, na-enyere aka ime ka ịdịgide ma belata ike.
Ọzọkwa, calcium mejupụtara sonyere na mmeghachi omume pozzolanic, ebe ọ na-eme na Calcium hydroxide ọzọ iji mepụta cel cel. Ihe a abụghị naanị na-enye aka na mmepe ike kamakwa na-ebelata ihe ize ndụ nke igbu oge (na-ezo), ihe ịtụnanya ga-emebi ogologo oge nke ciment.
Mmelite nke Ciment:
Mmepe mmalite:
Ike nke calcium mejupụtara iji mee ka hydration ciment na-asụgharị na ndozi dị mkpa na mmepe mmepe. Nke a dị oke mkpa maka ọrụ owuwu ebe enwere ike inweta ngwa ngwa. Oge a rụpụtara ngwa ngwa na-akwado ya site na calcium na-akwalite nwere ike ibute iwepụ ngwa ngwa na ngwa ngwa ngwa ngwa.
Na-akwalite agụụ:
A na-agbakwunye mpempe akwụkwọ calcium ka ịgbanwee mita kọntaktị, na-ebute ihe ndị ọzọ dịgidere. Ntinye obi uto na nkesa nke hydrates na-enye aka na nguzogide iguzogide mwakpo kemịkal, na-eyi. Ya mere, nhazi nke ciment mesoro ihe ngosi calcium ogologo oge.
Belata permeality:
Otu n'ime ihe ndị bụ isi na-emetụta ogologo oge nke ihe bụ ihe ndị ọzọ. Calcium mejupụtara na-ebelata permeability site na imetụta ihe owuwu nke ciment. E guzobere matriks ok na pores pores na-egbochi igukwa mmiri nke mmiri na ihe ike, si otú a na-eme ka nguzogide guzosie ike na-egbochi.
MITI SILI Silica (ASR):
Nnyocha nyocha ahụla na calcium mejupụtara nwere ike belata ihe ize ndụ nke mmeghachi omume alkali-silica, usoro na-emerụ ahụ nwere ike ibute usoro gel na mgbawa. Site na imetụta ihe owuwu nke PETEMLY nke Ciment, Calsim na-enyere aka belata ike metụtara Asr.
Nkwalite arụmọrụ:
Udirity di nma:
Mmetụta nke calcium mejupụtara na ciment hydration nwere mmetụta dị mma na ọrụ nke freshrete ọhụrụ. Oge atọrọ ngwa ngwa setịpụ oge ma nwekwaa kọntinetics kinetics na-enyere aka melite njirimara na-erugharị, na-eme ka ọchọpụta ya na ichekwa ihe. Nke a bara uru karịsịa ebe ahụ dị mfe idowe dị oke mkpa.
Njikwa okpomoku:
Ojiji nke calcium guzobere na ciment na-enyere belata mmetụta okpomoku nke oke okpomọkụ n'oge usoro ịgwọ ọrịa. Oge na-eme ka oge nhọpụta na-akpata calcium etolite ike nwere ike ịgbatị ike mmepe ike ma belata adịghị ike nke ihe metụtara okpomọkụ dịka mgbawa ọkụ.
Nyochaa:
Kọwaa ihe nwere ihe ndị na-ezute ebumnuche nkwado nke ụlọ ọrụ na-ewu ihe. Potzolaanic ya na-eme ka itinye aka na ihe mkpofu ahịhịa, yana mmetụta ya na ọnọdụ na ịdị ogologo na-eme ka mbelata nke metụtara gburugburu ebe obibi metụtara dochie na ịrụ ọrụ na-akawanye njọ.
Ihe ịma aka na echiche:
Ọ bụ ezie na uru nke kakọl na-etinye n'ime ciment doro anya, a ga-atụlerịrị nsogbu na mgbochi. Ndị a nwere ike ịgụnye ọnụego ụba, mmekọrịta nwere mmekọrịta dị na njikọ ndị ọzọ, yana mkpa iji nlezianya na-ejide ngụkọta usoro iji zere mmetụta ndị na-adịghị mma. Ọzọkwa, ịrụ ọrụ ogologo oge na ịdị ogologo nke calcium mejupụtara ihe n'okpuru ọnọdụ gburugburu ebe obibi a kapịrị ọnụ maka nyocha na ọmụmụ ubi.
na ngwụcha:
Ghalite calcium kpụrụ akpụ na ciment bụ ụzọ na-ekwe nkwa iji meziwanye ogo na arụmọrụ nke ihe owuwu a dị mkpa. Site na usoro dị iche iche ya, Calcium mejupụtara ngwa ngwa, na-eme ka microSrcure ma na-eme ka ihe dị iche iche na-achọsi ike, gụnyere oge ike na belata ike. Ka ụlọ ọrụ na-ewu ụlọ na-aga n'ihu, ọrụ ihe mgbakwunye dị ka calcium guzobere njikọta ciment nwere ike bụrụ ihe dị mkpa. Ihe ịrụ ụka adịghị ya na ngwa ndị ọzọ ga-ekpughe ihe ndị ọzọ nwere ike na nke kachasị mma iji caltonium mejupụtara na usoro ciment, na-agafe ụzọ maka usoro ndozi.
Oge Post: Dec-05-2023