Bitumen gbanwere na-ezo aka na ngwakọta asphalt na mgbakwunye nke rọba, resin, polymer molecular dị elu, ntụ ntụ rọba nke ọma na ihe ndị ọzọ na-agbanwe agbanwe, ma ọ bụ iji nhazi oxidation dị nro nke bitumen na-eme ka arụmọrụ nke bitumen dịkwuo mma. Oghere ahụ e ji mee ihe na-adịte aka nke ọma na nguzogide abrasion, ọ naghị adị nro na oke okpomọkụ ma ọ bụ mgbawa na obere okpomọkụ.

Ịrụ ọrụ dị mma nke bitumen gbanwetụrụ na-abịa site na modifier agbakwunyere na ya. Nke a modifier nwere ike ọ bụghị naanị ijikọ na onye ọ bụla ọzọ n'okpuru omume nke okpomọkụ na kinetic ike, ma na-emeghachi omume na bitumen, si otú a ukwuu imeziwanye n'ibu Njirimara nke bitumen. dị ka ịgbakwụnye igwe nchara na kọmpụta. Iji gbochie nkewa nke nwere ike ime n'ozuzu bitumen gbanwetụrụ, a na-emecha usoro ngbanwe bitumen na ngwa mkpanaaka pụrụ iche. Ngwakọta mmiri mmiri nwere bitumen na modifier na-agafe n'ime igwe igwe kolloid jupụtara na grooves. N'okpuru ọrụ igwe igwe colloid na-agba ọsọ dị elu, ụmụ irighiri ihe nke modifier na-agbawa ka ha wee mepụta usoro ọhụrụ wee tinye ya na mgbidi egweri wee laghachi azụ, gwakọta ya na bitumen. Nke a okirikiri ugboro ugboro, nke ọ bụghị nanị na-eme abitumen na The mgbanwe na-enweta homogenization, na molekụla agbụ ígwè nke modifier na-adọta ọnụ na-ekesa na a netwọk, nke na-eme ka ike nke ngwakọta na enhances ike ọgwụgwụ na-eguzogide. Mgbe wheel na-agafe n'elu bitumen gbanwetụrụ, oyi akwa bitumen na-enwe ntakịrị nrụrụ kwekọrọ. Mgbe wiil ahụ na-agafe, n'ihi ike njikọ siri ike nke bitumen gbanwetụrụ na mkpokọta na mgbake dị mma, akụkụ ahụ emetụ n'ahụ na-alaghachi ngwa ngwa na larịị. mbụ ọnọdụ.
Bitumen a gbanwere nwere ike ịkwalite ikike ibu nke pavement nke ọma, belata ike ọgwụgwụ nke pavement site na oke ibu, ma gbatịkwuo ndụ ọrụ nke pavement. Ya mere, enwere ike iji ya mee ihe n'ọtụtụ ebe n'ighe ụzọ awara awara dị elu, ụzọ ụgbọ elu ọdụ ụgbọ elu, na àkwà mmiri. N'afọ 1996, a na-eji bitumen emezigharị mee ka ụzọ ụgbọ elu dị n'ebe ọwụwa anyanwụ nke ọdụ ụgbọ elu Capital, na elu okporo ụzọ ka dịgidere ruo taa. Iji bitumen emezigharịrị eme ihe na pavmenti ndị nwere ike ịgbasa adọtawokwa ọtụtụ ndị anya. Ọnụego oghere nke pavment nwere ike iru 20%, yana njikọ ya n'ime. Enwere ike ịpụpụ mmiri ozuzo ngwa ngwa site na pavment n'ụbọchị mmiri ozuzo ka ịzenarị na ịfesa mgbe ị na-anya ụgbọ ala. Karịsịa, iji bitumen emezigharị nwekwara ike ibelata mkpọtụ. N'okporo ụzọ nwere oke okporo ụzọ, usoro a na-egosi uru ya.
N'ihi ihe ndị dị ka nnukwu ọdịiche okpomọkụ na ịma jijiji, ọtụtụ akwa akwa ga-agbanwe ma gbawa ngwa ngwa ka ejiri ya. Iji bitumen emezigharịrị nwere ike dozie nsogbu a nke ọma. Bitumen emezigharịrị bụ ihe dị mkpa dị mma maka okporo ụzọ awara awara na ọdụ ụgbọ elu. Site na ntozu oke nke teknụzụ bitumen gbanwere, iji bitumen emezigharịrị aghọọla nkwenye nke mba dị iche iche gburugburu ụwa.