Publications

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Assessment of Retroreflectivity of Pavement Markings
This test method defines the procedure for performing field assessment of pavement marking retroreflectivity (night-time visibility) using a low angle retroreflectometer. It also defines a suitable minimum sampling requirement for all longitudinal…
Segregation of Polymer Modified Binders
Polymer modified binders (PMBs) are prepared from mixtures of polymers, additives and bitumen selected to achieve their required properties. Some of these binder systems can segregate leading to variations in measured properties and in some…
Gyratory Compactor Test Method
This document describes the procedures to be followed for compacting asphalt specimens using a gyratory compactor.