Abstract
This paper presents the ‘CPT 2012’ model incorporated into the AFNOR NF P94-262:2012-07, French standard for pile design fully compatible with Eurocode 7, to the wider Polish audience. The bearing capacity of three reference columns for Vistula Marshlands have been calculated according to ‘CPT 2012’ model and AFNOR recommendations. Then, the design resistances have been compared with ultimate column bearing capacity measured during static load tests conducted on reference columns. The results of comparison are discussed and the discrepancies between measured and calculated bearing capacities are shortly commented.
Highlights
Pile design using field geotechnical investigation involves using direct or indirect methods
Three representative columns constructed in Vistula Marshlands are chosen as reference ones for bearing capacity calculation according to ‘Cone Penetration Test (CPT) 2012’ model and AFNOR standard
The aim of this paper is to present the ‘CPT-2012’ model to the Polish audience and to show its application to local conditions
Summary
Pile design using field geotechnical investigation involves using direct or indirect methods. In direct methods the soil properties are estimated using field tests and these properties are used to calculate the pile unit base and shaft resistances. In direct methods the results of the field testing, e.g. Cone Penetration Test (CPT), are directly used to assess the pile unit base and shaft resistances. The CPT is a standard site investigation tool widely used in Polish geotechnical practice. One of the recent is ‘CPT 2012’ [2] included in AFNOR NF P94-262:201207 standard for pile design. Three representative columns constructed in Vistula Marshlands are chosen as reference ones for bearing capacity calculation according to ‘CPT 2012’ model and AFNOR standard. The discrepancies occurred are shortly discussed and the general performance of the ‘CPT 2012’ model within the Polish site conditions is commented
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