Arno Hefer Administrator Posts: 18 1/11/2022

Arno Hefer Administrator Posts: 18 This relationship is published in “Use of the Dynamic Cone Penetrometer (DCP) in the Design of Road Structures”, CSIR Research Report DPVT-187, September 1991, by M. De Beer. The relationship was developed from a total of 86 data points where DCP measurements were conducted in parallel with multi-depth deflectometer (MDD) positions on Heavy Vehicle Simulator (HVS) test sections. The Elastic modulus for each pavement layer was backcalculated from layer thickness inputs and in-depth measured deflections using linear elastic theory. The following equation provides the average relationship between DCP penetration rate (DCP Number or DN-value) and effective Elastic Modulus. The following table summarises the confidence interval information for this relationship: edited by on 1/12/2022 edited by on 1/15/2022

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