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Concrete klas - Njirimara na esemokwu

Ntọala - ntọala nke ọ bụla ụlọ a na-wuru. N'ihi ya, mma ọ na-achọpụtabeghị ma gbuo ya, n'ihi ya, ọ bụ ndị ọzọ mụ na ndị ọzọ inogide. The ihe nke nke ntọala na-wụsara, a ịrịba mmetụta ya mma. Ya mere, e nwere mkpa na-ekwu banyere ihe, chọpụta ihe na klas na ya ika.

Ndabere nke ntọala bụ ihe. Ọ bụ oge ochie nnọchiteanya nke ndị na-ewu ihe. Concrete - a ụdị a ngwakọta nke na-esonụ components: nragide - cement (Portland ciment na slag simenti), mmiri, mma (ájá) na ntụ nchịkọta (gburu nkume na gravel).

Isi na isi quality pokazatelemi tụlee ihe na klas na ọkwa nke ihe. Brand e ji mara ego nke ciment na a gụnyere ke ihe mix.

Concrete klas ụdị na-agụnye: B10, B15, B20, B25, B30, B40, B80, V12,5, B7.5, V22,5, B35 .... Na saịtị ndị na-esonụ ụdị B7.5 - B40.

E classifier na compressive ike, nke na-adabere na njupụta nke ihe :

  • M400 - M1000 - oké;
  • M100 - M600 - arọ;
  • M50 - M400 - nkịtị;
  • M25 - M200 - mfe;
  • M4 - M100 - ultra-ìhè.

Ndị a ụdị na-ukwuu mgbe eji. Digital, bụ nke dị mgbe leta M, bụ a cube compressive ike, nke ọ esịmde mgbe 28 ụbọchị nke chaa. E nwekwara dịkwa mkpa àgwà nke ihe, dị ka: ntu oyi na-eguzogide, iguzogide ike ike ọnọdụ.

Quality na ọkwa nke ihe maka ntọala na-adabere kpam na nzube, ụdị na n'ihu nrigbu. Ịrịba Ama mmetụta na ojiji nke dị iche iche nke mixtures nwere obodo ọnọdụ ihu igwe.

Kwesịrị ilebara ya anya ke ngwaọrụ isi na ndị na-esonụ parameters:

  1. Transverse, longitudinal ibu na ibu site na ndị nwụrụ anwụ dị arọ.
  2. Ibido a mbara ọmụmụ nke ala na ala.
  3. Okirikiri nhọrọ ukwuu nke ogige, nke na-emi odude n'okpuru n'ala larịị nke mbụ n'ala, ụdị ntọala na n'okpuru ala nke obiọma.

All nke ihe ndị a na budata emetụta ihe na klas, nakwa dị ka ya anụ ahụ na n'ibu Njirimara. N'oge ndị na-ewu nchekwa ụlọ, ulo oru ma ọ bụ residential eji dị mkpa ịrụ ngụkọta oge nke ụkpụrụ omume nke niile ibu.

Na ntọala na-na ụlọ e wuru, guzosiri ike, i kwesịrị nhọrọ ziri ezi ọkwa nke ihe maka ntọala na dịanyā. Mark na-adabere na wuru ụlọ, nke ukwuu uru nke ibu, nke ukwuu ika, anyị na-anabata.

Site e kwuru n'elu, o doro anya na anwụ ngwa ngwa nke ọ bụla na-ewu na-adabere na mortgaged n'okpuru ntọala ya, na ya àgwà na-adabere na otosịrị iru nke ihe mejuputara.

Isi nri gị àgwà nke ihe bụ nnọọ oké ọnụ: N'ihi na nke ihe isi ike na inweta ihe ndị ha chọrọ mma nke ihe na jupụta mpịakọta na formwork, a ga-egbu na a otu ụbọchị.

Njehie na nkwadebe ihe ngwakọta adabara na ntọala ahụ, nwere ike budata imebi ha àgwà, nke na-eme n'ọdịnihu nwere ike ime ka a ọnụ ọgụgụ nke oghom ihe. Ọbụna a onwe ụlọ ndokwa nke ntọala-achọ ịkpachara anya na-eso norms nabatara n'ime obodo na-ewu.

Ọ dị mkpa icheta na mkpa ka ị na-ahọrọ nri ika nke ihe, ụfọdụ n'ime ha bụ ndị kwesịrị ekwesị n'ihi na ndị na-ewu nnukwu ụlọ, ebe ndị ọzọ ga-enwe ike idi nsogbu naanị obere ihe.

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