Bitumen maka korota. Ụdị na Njirimara nke bitumen

All ụdị korota eji na Ntụle na roadbed, iso isi nke abụọ mmiri: bitumen na ịnweta nchịkọta. Nke ikpeazụ a na-mere dị ka ụkpụrụ GOST 9128 site na a nnọọ inogide ihe onwunwe. Bitumen korota ike ga-eji maka dị iche iche na ụdị.

Akụkụ nke technology

Natural bitumen na-emekarị ime nso mmanụ ubi na ụdị anya m. Otú ọ dị, ụlọ ọrụ na ụzọ na-ewu na-ọzọ na-eji nke abụọ version a onwunwe - wuru. Mee a bitumen si mmanụ na ngwaahịa. Na-emekarị nke a tar extracts na mgbaze-nụchara anụcha mmanụ.

The mejupụtara nke korota na ya variants

The mejupụtara nke ngwakọta kara aka maka ụzọ Paving, na mgbakwunye na bitumen pụrụ ịgụnye mmiri dị ka ájá na gravel. Iji mbụ arụpụtara ájá korota. Mgbe ụfọdụ, ndị ngwakọta na-kwukwara ịnweta ntụ ntụ na rubble. Nke a bụ nnọọ nkịtị ụdị mkpuchi. Nke a na-akpọ korota gburu nkume. Ọzọkwa a ụzọ ihe mgbe ụfọdụ mere iji gravel. The ngwakọta bụ na nke a na-agbakwunyere rubble na ịnweta ntụ ntụ. Asphalt a umu-akpọ gravel.

Dabere na nzube nke ngwakọta ruru nke ndị a components nwere ike ịdị iche iche. Ya mere, n'ihi na walkways eji korota arụpụtara iji ezi ájá na gravel. The ala oyi akwa nke kporo moto a na-emekarị ka nke a ngwakọta nke a ubé dị iche iche mejupụtara. Na nke a, na-agbanye mere na ihe naanị a nnọọ nnukwu rubble. Nke elu oyi akwa a wụsara n'elu ụzọ ezigbo korota. Ọ na-agụnye rubble Iwu.

Mark bitumen maka korota

N'ihi ya, ụdị dịanyā eji emetụta ike nke ụdị ihe onwunwe, na N'ihi ya, ngwa ubi. Otú ọ dị, ihe ndị mejupụtara nke korota na ya àgwà na-adịghị ala dabere na ika podmeshennogo ya bitumen. N'ihi na mmepụta nke mixtures nke ụdị nke ọtụtụ ndị na-eji ihe onwunwe nke a akpan akpan obiọma. Ọ na-akpọ bitumen n'okporo ụzọ na na-akara na akwụkwọ ozi BND. Isi oke site nke nkewa ihe onwunwe bụ okpomọkụ.

N'okpuru ụfọdụ ọnọdụ, na-enweghị isịneke, na-amalite-agbazekwa bitumen. Dabere ma, na ihe mgbe ọ na-eme, ihe nwere ike na-eji na a akpan akpan region nke mba. Iji chọpụta na ihe na ọnọdụ gị nwere ike iji ahụ tar maka korota kwesịrị mbụ anya na ya akara. Ugbu a na ya na ọnụ ọgụgụ na-egosi na nso nke viscosity nke ihe onwunwe. Ugbu a, na mmepụta nke korota eji na niile ise iche ụzọ bitumen BND 40/60, 60/90, 90/130, 130/200, 200/300. The hotter ihu igwe, ihe viscous ihe etinyere na mmepụta nke Paving.

N'ezie, korota na-agbanye ga-adị ugbu n'ọtụtụ zuru ezu. Ukwuu nke a ihe onwunwe ke nkwadebe nke mixtures na-adịghị ọtụtụ ndị na-eji. Na-ekpo ọkụ nke Paving ga-agbasasịkwa na bụghị arapara ọnụ. Otú ọ dị, ọ bụrụ na ọ bụghị ezu nke bitumen na korota emecha na-amalite na-eme ụdị nile nke ọjọọ Filiks. Ọ penetrates na mmiri na oyi na oyi, wepụsịa ya.

Isi Njirimara nke BND

E wezụga viscosity bitumen korota e ji dị otú ahụ Njirimara ndị dị ka:

• Ductility. Nke a na ọnụ ọgụgụ a kpebisiri ike site n'ebe dị anya na nke bitumen nwere ike wetara n'ime na eri na-enweghị ya agbawa. Karịa ka ọ dị, ndị dị elu nke adhesiveness nke ngwakọta. Road bitumens a nwere a ogo ductility ukwuu karịa 40 cm. The chọrọ na nke a na-egosi maka BND atọrọ na 0 degrees C.

• Deformation e ji mara. N'ikpebi kwesịrị ekwesị nke bitumen maka korota rụpụta aṅa ntị ya Njirimara ndị dị otú ahụ dị ka ekwedo, creep, ductility, brittleness, na na. D. Ha chọpụta deformation e ji mara ihe. N'oge kpo oku na bitumen ikpeazụ kwesịrị ịdị iche iche nke ukwuu.

Liquid formulations na-ewu

Bitumen maka korota a nwere nnọọ elu ogo viscosity. Otú ọ dị, mgbe ụfọdụ, na-eji mgbe agbapụtara coatings na mmiri mmiri ụdị ihe a. Tee ha tumadi na ogologo oge nke ụzọ ọrụ. Liquid bitumen na kpọmkwem otosịrị iru na-agbakwunyere na viscous. N'ihi ya, mkpuchi na ala okpomọkụ anaghị stiffen ngwa ngwa. Liquid bitumen na-emepụta site na mgbakwunye na nke viscous distillate fractions.

Mgbe ọrụ ịrụzi a na-eji na-ajụ viscosity ihe onwunwe. Ọ na-eji maka ọgwụgwọ nke na-ama sụrụ map. Ọnụego nke ngwa nke bitumen maka ebikwasị korota na nke a adịghị kwa nnukwu na bụ naanị 0,5 l / ^m2.

Gịnị nwekwara ike ịbụ ugbu a na BND

Na mmepụta nke bitumen ụzọ, ihe ndị ọzọ, nwere ike jiri ụdị nile nke nwekwara. Ha na-chọrọ ịgbanwe ihe dị iche iche Njirimara nke ihe onwunwe. Dị ka ihe atụ, bitumen na-eji, nke bụ modifying mmiri ke imewe nke oyi korota. Dị ka a n'ihi nke ha ngwa mgbe gwọrọ ndị mkpuchi anaghị ịgbawa na oyi na okpomọkụ dịghị-agbazekwa. Mgbe na-eji a MAC-bitumen nwekwara enweta ikpeazụ ya Njirimara ọtụtụ ihe ngwa ngwa.

Gịnị kwukwara na bitumen maka korota ọzọ? -Akpali nnọọ mmasị variant nke a ihe onwunwe na-enwetara na ikpe nke acha ịnweta ntụ na-eji ke n'ichepụta usoro. Site na nke a ọ na-enyo mara mma nke ukwuu bitumen korota. Tiye ya n'ogige ntụrụndụ, bike ụzọ, nakwa dị ka eji maka nkè.