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The revision of the swiss norm "SN 670 330b Verdichtung nach AASHTO" is based on the choice of the AASHTO modified compaction parameters, since heavy compaction machinery is used. An attempt has been made to correlate the degree of compaction of road materials following the old standard and the new modified AASHTO compaction parameters. The correlation between the specific weights resulting from AASHTO standard und modified has been calculated. In addition to this research, possible correlations between the bearing capacities (CBR test) of the specimens within these two different kinds of compaction have been investigated. The obtained results can be adopted in the revision of the norm.
Authors:Caprez, Markus and Rabaiotti, Carlo and Yang, F.-L.
Index Terms:SoilGroup; Compaction