Cone Penetration Testing

This synthesis reviews the cone penetration testing (CPT) current practices of departments of transportation (DOTs) in the United States and Canada. Information is presented on cone penetrometer equipment options; field testing procedures; CPT data presentation and geostratigraphic profiling; CPT evaluation of soil engineering parameters and properties; CPT for deep foundations, pilings, shallow foundations, and embankments; and CPT use in ground modifications and difficult ground conditions. The report is designed to serve as a resource to states and provinces interested in taking advantage of CPT technology by identifying applications, design procedures, advantages, and limitations for successful implementation. Information was gathered by a literature review of domestic and international experience, a survey of DOTs in the United States and Canada, and interviews with practitioners.