An overview of research conducted so far on the use of various recycled materials as replacement for stone filler in asphalt mixes is presented in the paper. The paper comprises an overview of research on the influence exerted by the waste glass, waste materials from cement industry, concrete, brick, ceramics, fly ash and other materials, on physicomechanical properties of bitumen mixes. As a final result, conclusions are given on the possible use of individual recycled materials as replacements for standard rock flour in asphalt mixes. Utjecaj recikliranog punila na svojstva asfaltnih mješavina U radu se daje prikaz provedenih dosadašnjih istraživanja s primjenom različitih recikliranih materijala koji se koriste kao zamjena za kameno punilo u asfaltnim mješavinama. Rad obuhvaća prikaz provedenih istraživanja o utjecaju otpadnog stakla, otpada cementne industrije, betona, opeke, keramike, letećeg pepela i drugih na fizikalno mehanička svojstva bitumenskih mješavina. Kao konačan rezultat donose se zaključci o mogućoj primjeni pojedinih recikliranih materijala kao zamjeni za standardno kameno brašno u asfaltnim mješavinama.
Cold recycling of asphalt pavements using foamed bitumen and cement The technological procedure of in-situ cold recycling of asphalt pavement, using the foamed bitumen and cement during pavement structure rehabilitation works on the Knin-Biskupija section of the D1 National Road, is presented in the paper. The technological procedure presented in the paper enables high percentage of material recovery from the existing pavement structure, and thus the need to use natural material is reduced. The pavement structure rehabilitated using the studied procedure has an appropriate bearing capacity, monolithic properties, and resistance to freezing.
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