The njupụta nke ihe

Concrete bụ ihe na wuru ewu ihe owuwu, inweta site shaping na ụdi solidification esikwa họrọ na sụkọtara ngwakọta. Ọ mejupụtara simenti ma ọ bụ ndị ọzọ na-adịgide adịgide ihe, dị ka nke ọma dị ka ezi na ntụ aggregates na mgbakwunye na nke mmiri. Mgbe ụfọdụ, ebe a pụrụ iche mkpa njupụta nke ihe, n'ihi na ihe atụ, korota ihe technology, mmiri na-adịghị kwukwara, na ojiji nke pụrụ iche nwekwara.

Ya isi uru bụ environmentally friendly, nakwa dị ka nnweta a nnukwu akụrụngwa isi. Ọ bụ omume na-etinye ya n'ọrụ ná dị iche iche na-arụ ọrụ ọnọdụ. Ọ nwere ike na-akpọ a vasatail ihe onwunwe nke na-eji ọtụtụ ebe niile na ndi nke ewu. Ọ bụ na ya na okpomọkụ na-eguzogide ọgwụ, ụda na-adọrọ mmasị na-adịghị na-eduzi nuclear radieshon.

Ịgwakọta ájá, ciment, mmiri na gravel na-enye ohere iji nweta ihe ndị ha chọrọ njupụta nke ihe. The ruru ga-adabere na mmiri ọdịnaya nke ájá na ajịrịja nkume, ciment ọkwa na ụmụ irighiri ihe. Mgbe ụfọdụ, ọ ga-emetụta ego na mejupụtara nwekwara :. Water ọgwụ, plasticizers, wdg ka ihe atụ, na-njupụta nke ihe M200, eji ciment ọkwa 400.

Otu ihe dị mkpa e ji mara nke a na ihe onwunwe bụ mmiri-ciment ruru. E nwere a kpọmkwem na nduzi nke mmiri / ciment. Nke ahụ bụ, na ala ruru, ndị siri ike na ihe. A na ihe onwunwe na-enwe a njupụta nke 200, nwere a bukwanu uka (ya bụ ya naanị "net"). Ọ esịmde 2400 kg / m3. Nke a dị ukwuu maka ihe ibu na-amị akụkụ, na ogidi, crossbars, wdg Oke obere ego nke mmiri na njupụta nke ihe dị elu na ọ nwere a ala plasticity. Ọ na-eji maka na ndabere nke akụrụngwa, kpuru ìsì ebe gburugburu ụlọ na na.

E nwere otu ndudue na-emekarị ka mgbe agwakọta ngwọta. The handicraft ụlọ ọrụ a na-agbakwunyere gabigara ego nke mmiri, nke na-ebelata ihe njupụta nke ihe na enwekwu ya agagharị. Nke a na n'aka ukwuu ebelata ya ike.

Concrete nwere ya nhazi ọkwa, nke a na-eme na nzube, ụdị fillers na binders, na-agwọ ọnọdụ, na ya Ọdịdị. Site oru, ị nwere ike họrọ nkịtị (maka obodo na ulo oru ụlọ) na pụrụ iche (n'okporo ụzọ na-ewu, kwes mkpuchi, hydro na decorating ọrụ) ihe.

Site ụdị nragide ọ bụ plaster, silicate, ciment, shlakoshchelochnyh (korota, ma ọ bụ plasto- polimernbeton). Iche nke ya aggregates nwekwara dị iche iche: porous, oké na kpọmkwem, na ọdịnaya - taa, abụba na nnweta. Ọzọkwa, ya Ọdịdị pụrụ ịbụ a ihe na ok, porous, n'ụgbụgbọ mmanụ aṅụ na nnukwu pore. n'ịgwọ ọnọdụ na-na-esonụ: eke, uzuoku n'ịgwọ n'okpuru ikuku nrụgide ma ọ bụ ihe autoclave.

Isi egosi na e ji mara ihe - bụ ya compressive ike. Ọ na-akọwa ihe na klas. Ka ihe atụ, njupụta nke ihe B25. Nke a pụtara na 95% nke a na klas ga idi a mgbali nke 25 MPa. Nke ahụ bụ, akwụkwọ ozi "B", na-egosi na nsogbu nwere ike idi ihe na megapascals. Agụta egosi ike, ọ na-achọrọ na-gaa na akaụntụ usoro iwu ihe compressive ike. O kwesịrị ekwesị ka ihe njupụta B25. Age nke ihe na okwu nke ya na klas, ga-ekpebisi ike site compressive ike na axial erughị ala, nke a na-kenyere ọzọ imewe ogbo. Na-sonye na akaụntụ ekwe omume ụzọ nke na-ewu na imewe ibu ihe owuwu ma na ọnọdụ nke ihe hardening.

The njupụta nke ihe 25 bụ ezigbo maka n'ala slabs, ntọala ndị siri ike, ọkwa efere. Nke a ọtụtụ ugboro ugboro na-eji ihe onwunwe n'ihi na ndị a na nzube. Ke adianade do, na ojiji nke ndị dị otú ahụ ihe onwunwe na-ewu ụlọ na ndị ọzọ na ihe owuwu ndị na-ahụ maka ebe. ihe njupụta nke 25 ana achi achi magburu onwe ya mma nke okokụre akụkụ, nyere N'ezie na zụrụ ngwaahịa bụ n'ụzọ zuru ezu-agbanwe agbanwe na ndị bipụtara nkọwa.