Kemgbe oge ochie ndị mmadụ na-eji nkume nzu nke ewu. Ọzọkwa, nke a bụ a sedimentary na oké nkume dị iche iche si na softness nke konkiri na ndị ọzọ na nkume. The lime gravel iberibe mere si siri ike eke ihe, nke ndị mejupụtara tumadi nke calcium carbonate (calcite).
General ọmụma banyere owuwu ihe
Limestone na-mined fọrọ nke nta n'ebe nile Central Russia, n'ihi na ọ bụ pụtara ekesa, mfe hazie na nwere magburu onwe chemical na n'ụzọ anụ ahụ Njirimara. Ọ bụ ya mere ọ na-eji otú ọtụtụ ebe na-ewu, n'azụ na ájá na gravel ihe. Wayo rubble nwere ike ịbụ dị iche iche shades. Ya na agba na-adabere na a dịgasị iche iche nke inclusions na adịghị. Ọtụtụ mgbe, a na ihe onwunwe nwere a whitish, aja aja ma ọ bụ isi awọ. N'ógbè ụfọdụ a na-akpọ dolomite rubble. Ya nnukwu njupụta bụ 2.2-2.7. Wayo gravel na-enwetara site ndinuak a eke ịnweta. Mgbe e mesịrị, o nwere a pụrụ iche chemical ọgwụgwọ. Tinyere ihe ndị ọzọ ụdị nke gravel ndị dị ọnụ ala.
Wayo rubble: n'iji na akụ na ụba mba
Ebe ọ bụ na ihe a bụ ejighị n'aka nkume, ikpeazụ ngwaahịa nwetara ya nime ya nwekwara a ala ike. Ọtụtụ mgbe na nkume nzu gravel eji maka ụzọ ọrụ. Anyị ekwesịghị ichefu na ọ bụ pụtara mfe bịara ikiri, nke budata ebelata ọrụ ndụ nke pavement. Ọ bụ ya mere ha nwere ike na-efesa ụzọ na obere okporo ụzọ ibu.
Nso nso a, a ewu ihe owuwu a na-esiwanye eji maka mmepụta nke dị iche iche nkanka nke ihe na ihe na ngwaahịa. Ọtụtụ mgbe, ọ na-eji maka landscaping. N'ihi na nkume nzu rubble nwere a ala ndabere radieshon, ọtụtụ ndị na-ahọrọ na-ikpokọta ya ndị ọzọ na ụdị nke gburu nkume na ihe. Nke a ngwakọta nke ihe zuru okè maka decorating n'ogige na driveways. The kasị ewu ewu na o nwere ndị nwe obere plots. Ruru ya n'ibu Njirimara na ala na-eri, ọ nwere ike budata belata na-eri nke ọ gụchara ọrụ.
Nke a gravel nwere ike ji mee ihe maka n'ichepụta ụlọ wayo, soda, calcium carbide, fatịlaịza, fluxes n'ihi na ígwè mmepụta. Ọ na-eji dị ka a dịanyā dị iche iche azụmahịa mixtures na-ebi akwụkwọ na iko ọrụ. Site na ọ na-emepụta a agbanwe oge n'ihi na mmepụta nke Portland ciment.
The na-eri nke ụlọ ihe
Na àgwà nke a ewu ihe owuwu apụta GOST. Mwute na nkume nzu fractions 40h70 akara 400 bụ 401 rubles. / T. Ọ bụrụ na anyị na-ekwu banyere ọzọ 20x40, ya na-eri - 436 rubles / t. na 5x20 -. 531 rubles / t (gụnyere VAT). Ọtụtụ n'ime ndị ụlọ ọrụ ndị na-emepụta na-ewu ihe owuwu, na-emepụta na nkume nzu rubble ika 600. Retail price n'ime dị iche iche ụmụ irighiri ihe dịgasị naanị ubé. N'ihi ya, na Moscow (Moscow) rubble 40h70, 20x40 uru 850 rubles / cubic mita, na nta 5x20 - .. 870 rubles / cubic mita .. (Na VAT). Àgwà nke ewu ihe owuwu ga-soro chọrọ nke GOST8267-93.