Robertson cpt guide

soil behaviour type index
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fugro cpt handbook
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robertson and campanella (1983)

A popular CPT soil behavior chart based on normalized CPT data is that first proposed by Robertson (1990) and shown in Figure 22. A zone has been identified in The following relationship from Robertson expresses the soil unit weight in terms of the friction ratio and cone resistance (Robertson, 2010). / = 0.27( GeoLogismiki, in collaboration with Gregg Drilling Inc. and Prof. Peter Robertson, is very proud to announce the availability of the "Guide to In-SituCone Penetration Test (CPT) Based Soil Behavior Type Classification System - An Update, Guide To Cone Penetration Testing, 6th Edition, 2015