Abstract:The coefficient of friction is a quantity indicates the ratio of frictional force between objects. As pavement experiences thermal changes, it may slide against supporting subbase resistance. This resistance must be determined in order for pavement to perform as anticipated. Cracking of concrete does not occur if the pavement is jointed. In the joint plain concrete pavements, A separator layer is installed between the subbase and the plate to smooth the interface. A smooth surface shows less resistance to the … Show more
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