Intego nyamukuru yo kongeramo modifier muri asfalt ni ukunoza imikorere yumuhanda wivanze rya asfalt mubushyuhe bwinshi, kugabanya ihinduka rihoraho mubushyuhe bwinshi, kunoza imikorere ya anti-rutting, kurwanya umunaniro, kurwanya gusaza, no kurwanya guturika kuri ubushyuhe buke cyangwa kongera ubushobozi bwo kurwanya umunaniro ku bushyuhe buke, kugirango bushobore kuzuza ibisabwa byimiterere yumuhanda mugihe cyagenwe.