JHRP-ISHD Cooperative Study Using Kneading Compactor and Hveem Stabilometer

This is the final report of results of a cooperative study using a kneading compactor and Hveem Stabilometer done between the Indiana State Highway Department and Joint Highway Research Project bituminous laboratories. The final phase of the Purdue work is presented in the first section. The sections following present comparisons of the data obtained in the two laboratories for the final phase of the program in which a type B surface gradation was used. Comparisons are made by presenting average test values in tabular form, by graphical illustrations, and by statistical evaluation of the data. Conclusions and recommendations are presented.