Jacques van Heerden
In this second presentation of the series, Jacques van Heerden continues with a definition of bitumen and explains classifications of bituminous binders and traditional bitumen testing. The meaning of rheology is clarified, and our understanding of bitumen improves with details of its chemistry, ageing and bitumen blowing. Readers will also discover that bitumen is a versatile product with many uses outside the asphalt industry.
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