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Split into three days, this online course is designed to provide an invaluable understanding of asphalt technology. The confusing range of UK surface course asphalts have characteristics which make them suitable for specific uses. Binder course materials can be equally confusing as can base asphalts but all need to be understood to ensure roads and other pavements are built and maintained in the most cost effective manner.

Proprietary modified asphalts are sometimes used in areas where they are quite  unnecessary but how would you know? Equally, how would you know where they are necessary? Roads can have vastly differing traffic and axle loadings, design speeds and sub-soil conditions. Some have been designed to recognised standards others have evolved from Victorian housing streets or even medieval lanes.

This short course enables delegates to select the optimum asphalts for pavement layers in both “evolved” and “designed” roads. It also looks at modified bitumens and explains where they are vital for the asphalt’s in-service integrity. Asphalt production methods, production problems affecting the durability of mixtures, their hot-bin storage, not always safeguarding their durability, and their transporting to paving sites are also examined. Both in transit and once on site, it is all too easy to ruin perfectly good asphalt. If there are problems, the course also provides outline guidance on sampling and testing.

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