Ciment ngwa agha: mejupụtara na rụpụta

The cement slurry bụ a nnọọ inogide ihe onwunwe, ya ngwa ngwa na-eme na a siri ike na ikuku. Malite ọdịda ya na okpomọkụ nke 20 degrees n'akparamagwa banyere atọ n'ụzọ anọ nke otu awa. The ngwọta ga-na etinyere dịghị mgbe e mesịrị ka otu awa mgbe ya nkwadebe, ebe ọ bụ na ma ọ tụfuru ike ya. E nwere a dịgasị iche iche nke ciment - ọ na-adabere ya mmiri. The njikere ngwọta na ha ndabere nwere dị iche iche compressive ike.

Olee otú ime ka ciment ngwa agha

Iji kwadebe ciment slurry ga ifucha ájá na simenti site sieve na a oghere dayameta nke 3 mm. Efrata bụ metered volumetric doses na weere ruo mgbe homogenous, na ọ bụrụ na ọ dị mkpa, sieved ọzọ na akọrọ ngwakọta e kwukwara mmiri, ruo mgbe a chọrọ ọkpụrụkpụ.

N'ihi ebikwasị anwụrụ n'elu ụlọ e mere ihe mgbagwoju anya ngwa agha esịnede dịanyā na abụọ na-adịgide adịgide mmiri: ájá, ciment na lime putty. Na nke a, mkpa ka ị na tinye otu akụkụ ciment atọ akụkụ lime 15 akụkụ ájá.

Slurry a na-eji kwadebe ihe mixes. Tọrọ ọhụrụ ihe cover ibe ma ọ bụ matting, n'ụba wetting mmiri. Nke a na-karịsịa mere ke akpa ụbọchị ise mgbe ịtụkwasị formwork, n'ihi na ndị a na nzube na-eji polyethylene film na-emepụta a uzuoku mmetụta.

Ciment ngwa agha: mejupụtara

Ciment ngwa agha maka owuwu nwere ike zụrụ ma ọ bụ mee onwe ha site agwakọta na ụfọdụ oke nke ciment na ájá (1 3, dabere na-eme ka elu 1 6). Ọ ga-echeta na aka na-emepụta ihe ngwọta ọ bụghị nanị na tedious, ma ọ fọrọ nke nta-agaghị ekwe omume evenly kesaa niile mmiri na-enweghị ihe kwesịrị ekwesị na ahụmahụ. Uru iji igwekota (n'ibu ma ọ bụ eletriki), nke nwere ike ma zụrụ na-akwụ ụgwọ, biiri si enyi.

Nnọọ na-ewu ewu bụ a cement slurry, nke e ji mee ihe maka ngwaọrụ brickwork. Nke a nwere ike ide abụọ na ụdị ihe ngwọta - ciment na simenti wayo. Na-akpa ụdị ewuru ibu-amị mgbidi na ndị ọzọ ọcha, mgbe nke abụọ mejupụtara na-eji maka ụdị ụfọdụ nke akwụkwọ (ipigide n'ime mgbidi), na ọ na-agbakwụnye na a obere akụkụ ciment.

Ọ bụrụ na ndị ngwa agha na-eji na oyi, ọ dị mkpa iji antifirizi nwekwara, nke na-adịghị ekwe kefriza ngwọta. Ma, na okpomọkụ n'okpuru 20 degrees Celsius cement uka bụ mma ghara ime, dị ka ndị a components anaghị arụ ọrụ. Iji a ngwọta nke dị iche iche nwekwara ike-enyefe ndị dị mkpa mgbanwe na agagharị. Dịkwuo ductility ngwọta ọkachamara nkịtị ncha ntutu kwukwara, site agbapụtara a ọkara liter nke a umi ke a cubic mita nke ciment arọ. The nnu bụ dị ka ihe antifirizi nwekwara, n'agbanyeghị ọtụtụ na-atụ aro, wụsa ekwesịghị iji zere ọdịdị efflorescence.

Cement na ihe-ọmume-okpomọkụ na-eguzogide ọgwụ mixtures nke na-eji maka mmepụta nke monolithic owuwu foci na ihe na-emeghe ọkụ, ka a firebox ma ọ bụ oku masonry blocks. Ka ịmepụta a ire ọkụ na-eguzogide ọgwụ refractory ngwọta na-eji ndị na-esonụ components na otosịrị iru. Ọ bụrụ na ihe ngwọta na-eji ike ọnya na ihe na-emeghe ọkụ, na-ciment akara bụghị ala karịa 400. Iji otu akụkụ e kwukwara abụọ n'akụkụ nke gburu nkume, esịnede red brick, abụọ n'akụkụ nke quartz ájá ma ọ bụ site na mma-acha uhie uhie fireclay brick, na a atọ si ezi ájá. Ka ịmepụta firebox buru otu ciment, anuahade, nkume brik na firebricks nkịtị ájá na otosịrị iru nke 1: 2: 2: 0,33.