Rubber powder modified bitumen (BitumenRubber, nke a na-akpọ AR) bụ ụdị ọhụrụ nke ihe mejupụtara ihe mejupụtara dị elu. Ọ bụ ụdị ọhụrụ dị elu nke ihe mejupụtara nke rọba ntụ ntụ nke sitere na taya mkpofu, nke a na-agbakwunye dị ka ihe na-agbanwe na bitumen isi. A na-eme ya site na usoro omume dị ka okpomọkụ dị elu, ihe mgbakwunye na ịkwanye n'ime ngwá ọrụ pụrụ iche. Ihe onwunwe. Ọ nwere ike ịgbatị ndụ ọrụ nke elu okporo ụzọ, belata mkpọtụ, belata mkpọtụ, melite nkwụsi ike nke okpomọkụ na mgbawa ọkụ, ma melite icing icing. N'okpuru ngwakọta nke bitumen okporo ụzọ siri ike, ntụ ntụ roba na-ekpofu ihe na ihe mgbakwunye, ntụ ntụ rọba na-amịkọrọ resins, hydrocarbons na ihe ndị ọzọ dị na bitumen, ma na-enweta usoro mgbanwe anụ ahụ na nke kemịkal iji mee ka mmiri dị nro ma gbasaa ntụ ntụ rọba. Viscosity na-abawanye, ebe dị nro na-abawanye, na viscosity, siri ike, na elasticity nke roba na bitumen na-eburu n'uche, si otú ahụ na-emeziwanye arụmọrụ okporo ụzọ nke bitumen roba.
"Bitumen rubber modified bitumen" na-ezo aka na ntụ ntụ rọba emere site na taya mkpofu, nke a na-agbakwunyere dị ka ihe na-agbanwe na bitumen isi. A na-eme ya site na usoro omume dị ka okpomọkụ dị elu, ihe mgbakwunye na ịkwanye n'ime ngwá ọrụ pụrụ iche. ihe nrapado.
Ụkpụrụ mgbanwe nke rọba ntụ ntụ gbanwetụrụ bitumen bụ ihe simenti bitumen gbanwetụrụ site na mmeghachi omume ọzịza zuru oke n'etiti ụmụ irighiri rọba ntụ ntụ na matrix bitumen n'okpuru ọnọdụ okpomọkụ agwakọta nke ọma. Rubber powder modified bitumen emewo ka arụmọrụ nke bitumen isi dịkwuo mma, ma dị elu karịa bitumen gbanwere nke ihe ndị na-emezigharị ugbu a dị ka SBS, SBR, EVA, wdg. N'ihi ọrụ ya magburu onwe ya na nnukwu onyinye maka nchebe gburugburu ebe obibi, ụfọdụ ndị ọkachamara. buru amụma na rọba ntụ ntụ gbanwetụrụ bitumen na-atụ anya ka ọ dochie SBS modified bitumen.
uru

Enwere ike ịgbakwunye ntụ ntụ rọba na bitumen n'iwu okporo ụzọ na okporo ụzọ. Ebubeghi ngwa a na mbụ ka ọ bụrụ ebe ị ga-eji rie taya, kama iji kwalite njirimara nke bitumen n'ogo yiri nke bitumen dị elu nwere elastomer ọhụrụ. Uru ndị dị n'ịgbakwunye ntụ ntụ roba na bitumen gụnyere ibelata ọchịchọ nke ụzọ mgbawa (karịsịa n'ebe oyi na-atụ), na-eme ka ịdịte aka nke okporo ụzọ, nkwụsị mmiri ya na nkwụsi ike nke gravel. Bitumen a gbanwere rọba na-adịgide adịgide, na-adịru nkezi afọ asaa karịa ngwakọta bitumen ọdịnala.?
Igwe rọba eji eme bitumen gbanwetụrụ bụ polymer na-agbanwe nke ukwuu. Ịtinye uzuzu rọba vulcanized na bitumen ntọala nwere ike nweta ma ọ bụ ọbụna gafere otu mmetụta nke styrene-butadiene-styrene block copolymer modifiedbitumen. Njiri mara ntụ ntụ rọba gbanwetụrụ bitumen gụnyere:
1. Ntinye ahụ na-ebelata, ihe na-eme ka ọ dị nro na-abawanye, na viscosity na-abawanye, na-egosi na nkwụsi ike dị elu nke bitumen na-eme ka ọ dịkwuo mma, ọ pụkwara imeziwanye ihe mgbagwoju anya na ịkwanye phenomena n'okporo ụzọ n'oge ọkọchị ụgbọ ala.
2. A na-ebelata mmetụta okpomọkụ. Mgbe okpomọkụ dị ntakịrị, bitumen na-agbaji, na-eme ka nrụgide na-agbawa na pavement; mgbe okpomọkụ dị elu, pavment ahụ na-adị nro ma na-agbanwe n'okpuru mmetụta nke ụgbọ ala na-ebu ya. Mgbe emechara ya na ntụ ntụ rọba, a na-eme ka mmetụta okpomọkụ nke bitumen dịkwuo mma ma na-eme ka nkwụsị ya dịkwuo mma. Ọnụ ọgụgụ viscosity nke rubber powder modified bitumen dị ukwuu karịa nke bitumen isi, na-egosi na bitumen a gbanwere nwere nnukwu nguzogide nrụrụ eruba.
3. A na-emeziwanye arụmọrụ okpomọkụ dị ala. Rubber ntụ ntụ nwere ike melite ductility dị ala nke bitumen ma mee ka mgbanwe nke bitumen dịkwuo elu.
4. Mmanya adhesion. Ka ọ̀tụ̀tụ̀ ihe nkiri bitumen rọba na-arapara n’elu nkume ahụ na-arị elu, e nwere ike ime ka pavement ahụ na-eguzogide mmiri na-emebi emebi ma nwee ike ịgbatị ndụ okporo ụzọ ahụ.
5. Belata mmetọ mkpọtụ.
6. Mee ka njide dị n'etiti taya ụgbọ ala na elu okporo ụzọ ma melite nchekwa ụgbọ ala.
adịghị ike
Otú ọ dị, iji ntụ ntụ eme ihe n'ụzọ dị otú a na-abawanye ọnụ ahịa bitumen, na mgbakwunye nke ntụ ntụ na-eme ka ngwakọta bitumen sie ike ijikwa (dị mfe ịrapara) ma na-abawanye oge ọrụ. Mgbe ụfọdụ, bitumen nwere nnukwu ntụ ntụ rọba dị mfe ịnweta ọkụ n'oge usoro ịgbaze, ya mere a na-atụ aro ka ọdịnaya nke ntụ ntụ rọba na bitumen gbanwetụrụ kwesịrị ịbụ ihe na-erughị 10%.