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Gịnị bụ dabere ihe

Onye ọ bụla ụdị na-ewu-agụnye iji ihe ụfọdụ na teknụzụ na ihe. N'ihi ya, ọ na-adịghị mgbe niile nwere mkpa iji ot ihe maka ndokwa dị iche iche na aghụghọ. Ọ nwere ike na-anọchi ọzọ ụdị ngwa agha, mfe hazie na rụpụta. Na nke a na-ezukọ na ọnọdụ kpọmkwem dabere ihe. Na na ọ na ọtụtụ-eji ruru ha Njirimara.

Dabere ihe - a ụdị ngwa agha, ebe pasent nke nragide bụ ọtụtụ ala karịa dịanyā ọdịnaya. Ọ bụghị nnọọ inogide. Ma, ya isi uru bụ ala price na udo nke echichi. Ọ bụ nke a na klas nke arọ ihe B5, V7.5, B10, V12.5, V15. The kasị nile eji ya natara na onwe ụlọ-ụlọ, ie. Iji. Ya ike e ji mara bụ zuru ezu maka nke a na mpaghara. Ọzọkwa, ụdị ngwa agha na-akpọ sụkọtara. Nke a bụ n'ihi na eziokwu na ọ bụ mgbe eji ụzọ na-ewu, t. Iji. Ọ na-adị mfe inyefe a ụzọ ala.

Anọgidesi nke olu na-eji maka dabere ihe mmiri bụ: 1 hà ciment, 3 - ájá na 6 - dịanyā. N'ihi ya n'ịgwa 1 cubic mita nke ngwọta chọrọ 160 kg ciment, 2200 n'arọ nke ájá na dịanyā, na mmiri a olu nke 75 lita. Mgbe ụfọdụ cement ego na pụrụ iche plasticizers agbakwunyere na ngwọta. Ọ dị ezigbo mkpa ka na-atụle na ọdịnaya nke ájá na dị iche iche na ụrọ ahụ ofụri ngwọta na-gafere 10%. Ma ọ bụghị ya, àgwà nke okokụre ngwaahịa ga-ala. Dabere na size nke dịanyā, nke bụ akụkụ nke dabere ihe, ọ na-kewa a ezi-na-grained na ntụ-grained. The mbụ mejupụtara mejupụtara pellets nke 5 mm, na nke abụọ - 40 mm. Mgbe agwakọta anọgidesi nke ihe ngwọta ga-abụ yiri nke mmiri n'ala.

Dabere ihe mejupụtara nke mejupụtara a obere nkezi nke nkịtị mmadụ na ọtụtụ-eji na onwe dispensation. Of ya na-etolite ihe ndabere maka ntọala ma ọ bụ jupụta screed na Ofel na ulo. Ọtụtụ mgbe, ọ na-eji maka n'ala leveling. Site na ya, ị nwere ike iru a mgbidi, ntọala ìgwè, okpueze overlapping, nakwa dị ka anyị onwe anyị ala, staircases na monolithic lintel. Ma, nke a bụ omume na naanị na ala-na-na ịrị elu na-ewu, ie. A. Mgbe a dị ịrịba ama ibu ike e ji mara, nke nwere a mkpa ihe, nwere ike ezughi oke, nke nwere ike ịkpata ọdachi. The kasị nile iji ihe a na-achọta na ụzọ na-ewu. Of ya na-etolite ihe ndabere maka korota ihe pavement.

Ịtọ dabere ihe a ga-rụrụ ozugbo nkwadebe na nnyefe nke ihe. Ọ bụrụ na ndị ihere okpomọkụ karịa 25 degrees, mgbe ahụ, ihe ngwọta na a kwukwara hardening retarders, na-ebelata ike mmepe. Ha dose nwere ike ịbụ ruo 1% site na ibu ibu nke ciment eji na ngwọta. Ha na-ekwe gị ka iwelie oge njem na stacking na otu awa na ọkara. The kacha nta okpomọkụ maka ọrụ ekwesịghị ịbụ ihe na-erughị 5 degrees.

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