The asphalt nkesa gwongworo bụ onye nwere ọgụgụ isi na akpaghị aka elu-tech ngwaahịa maka ọkachamara na-agbasa emulsified bitumen, diluted bitumen, ọkụ bitumen, elu-viscosity gbanwetụrụ bitumen, wdg Ọ na-eji maka spraying na penetration oyi akwa mmanụ, waterproof oyi akwa na bonding oyi akwa nke. ala oyi akwa nke bitumen pavement na-ewu nke elu-ọkwa okporo ụzọ.

Ngwongwo ọrụ na-etinye aka na nkesa asphalt bụ:
Okpokoro mmanu nke nwere ike imeghari, elu nke mbu na oyi akwa nke abuo. N'oge a kapịrị ọnụ ihe owuwu, isi ihe na-achịkwa ịdị mma nke bitumen na-agbasa bụ ịdị n'otu nke ịgbasa asphalt, a na-arụkwa ihe owuwu na-agbasa bitumen nke ọma dịka ọnụego mgbasa. Tụkwasị na nke ahụ, ọrụ ntinye aka na saịtị kwesịrị ịrụ ọrụ nke ọma tupu a rụọ ọrụ mgbasa ozi na-agbasa. Iji gbochie nchikota bitumen na-esote na ihe ndị ọzọ, n'oge usoro ihe owuwu na-agbasa, a ga-ezere ebe oghere ma ọ bụ nchịkọta bitumen dị ka o kwere mee, a ghaghịkwa ịkwọ ụgbọala na-agbasa na ọsọ ọsọ. Mgbe agbasachara bitumen, ọ bụrụ na enwere oghere ma ọ bụ na-efu efu, a ga-efesa ya n'oge, ma ọ bụrụ na ọ dị mkpa, a ga-eji aka mee ya. Jikwaa nke ọma ọnọdụ okpomọkụ na-agbasa bitumen, okpomoku na-efesa nke oyi akwa mmanu MC30 kwesịrị ịdị 45-60 Celsius.

Dị ka bitumen, a ga-etinyekwa ịgbasa ibe nkume na ndị na-ekesa asphalt. N'oge usoro ịgbasa ibe nkume nkume, a ghaghị ịchịkwa ọnụ ọgụgụ nke spraying na ịdị n'otu nke spraying. Dị ka data ahụ si kwuo, ọnụego nkesa a kwadoro na mpaghara Afrịka bụ: Ọnụ ọgụgụ na-agbasa nke mkpokọta na nha nke 19mm bụ 0.014m3 /m2. Ọnụego mgbasa nke mkpokọta nwere nha nha nke 9.5mm bụ 0.006m3/m2. E gosiputara site na omume na nhazi nke ọnụego mgbasa n'elu bụ ihe ezi uche dị na ya. N'ime usoro ihe owuwu n'ezie, ọ bụrụ na ọnụego mgbasawanye buru ibu, a ga-enwe nnukwu mkpofu nke ibe nkume, ọ pụkwara ime ka nkume nkume ahụ daa, nke ga-emetụta mmetụta ikpeazụ nke pavement.

Sinoroader emeela nchọpụta miri emi na ahịa Africa ruo ọtụtụ afọ, ma mepụta ma mepụta onye na-ekesa nwere ọgụgụ isi ọkachamara. Akụrụngwa ahụ nwere chassis ụgbọ ala, tank bitumen, bitumen pumping and spraying system, sistemu hydraulic, combustion na kpo oku na-ebufe mmanụ ọkụ, sistemụ njikwa, sistemụ pneumatic, na ikpo okwu ọrụ. gwongworo nkesa asphalt a dị mfe iji rụọ ọrụ. Na ndabere nke ịmịkọrọ teknụzụ dị iche iche nke ngwaahịa ndị yiri ya n'ụlọ na mba ọzọ, ọ na-agbakwụnye imewe nke mmadụ iji hụ na ịdị mma nke ihe owuwu na-eme ka ọ pụta ìhè mmelite nke ọnọdụ ihe owuwu na gburugburu ebe obibi. Nhazi ya nke ezi uche dị na ya na nke a pụrụ ịdabere na ya na-eme ka ịdị n'otu nke bitumen na-agbasa, na ọrụ nkà na ụzụ nke ụgbọ ala dum eruola ọkwa dị elu n'ụwa.