Transcription of GUIDE TO CONE PENETRATION TESTING
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Cone Bearing (bar), Qt11010010000 1 2 3 4 5 6 7 8 Friction Ratio (%), Rf123111245678910 ZONE Qt/N SBT1 2 Sensitive, fine grained2 1 Organic materials3 1 Clay4 Silty clay to clay5 2 Clayey silt to silty clay6 Sandy silt to clayey silt7 3 Silty sand to sandy silt8 4 Sand to silty sand9 5 Sand10 6 Gravelly sand to sand11 1 Very stiff fine grained* 12 2 Sand to clayey sand**over consolidated or cementedSoil Behavior Type (SBT)Remember:NOT the same assoil classificationGet CPT resultsto client!
of the CPT to geotechnical engineering practice. This guide is a supplement and update to the book ‘CPT in Geotechnical Practice’ by Lunne, Robertson and Powell (1997). This guide is applicable primarily to data obtained using a standard electronic cone with a 60-degree apex angle and either a diameter
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