Abstract: Unbound granular materials (UGM) are extensively used as basecourse materials around the world as they are capable of bearing relatively high traffic loads and are an economical option in comparison to bound materials. The ...

Abstract: Seventy-five percent of aggregates are sourced from greywacke on North Island, New Zealand. Some of them are classified as marginal aggregates but need to be used in roads due to the cost of transporting high-quality ...