<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The issue of the stratification of the underground subsoil is one of the principal geotechnical challenges. The development of the Cone Penetration Tests (CPTu) has resulted in the possibility to record parameters in a quasi-continuous way, which provides a very detailed description of the soil response. Such accurate measurements may therefore be treated as a signal or image and be analysed as such. This paper presents the application of high-pass spatial filters to perform soil stratification on the basis of the static penetration test. The presented algorithm has been tested on the test data set provided by the Organizers of TC304 Student Contest on Spatial Data Analysis (September 22, 2019, Hannover, Germany). It provides reasonable results at negligible computational cost and is applicable to most soils, especially if the contrast between the parameters of the adjacent layers is significant.</p></abstract>

The issue of the stratification of the underground subsoil is one of the principal geotechnical challenges. The development of the Cone Penetration Tests (CPTu) has resulted in the possibility to record parameters in a quasi-continuous way, which provides a very detailed description of the soil response. Such accurate measurements may therefore be treated as a signal or image and be analysed as such. This paper presents the application of high-pass spatial filters to perform soil stratification on the basis of the static penetration test. The presented algorithm has been tested on the test data set provided by the Organizers of TC304 Student Contest on Spatial Data Analysis (September 22, 2019, Hannover, Germany). It provides reasonable results at negligible computational cost and is applicable to most soils, especially if the contrast between the parameters of the adjacent layers is significant.

Analysis of underground stratification based on CPTu profiles using high-pass spatial filter

Wrocław University of Science and Technology

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The issue of the stratification of the underground subsoil is one of the principal geotechnical challenges. The development of the Cone Penetration Tests...

Analysis of underground stratification based on CPTu profiles using high-pass spatial filter

Article Category: Original Study

Published Online: Sep 22, 2020

Page range: 355 - 365

Received: Feb 28, 2020

Accepted: Aug 03, 2020

DOI: https://doi.org/10.2478/sgem-2020-0002

Keywords
Cone Penetration Test (CPTu), soil stratification, convolutional filter, high-pass spatial filter

© 2020 Jakub Rainer et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Analysis of underground stratification based on CPTu profiles using high-pass spatial filter

Article Category: Original Study

Published Online: Sep 22, 2020

Page range: 355 - 365

Received: Feb 28, 2020

Accepted: Aug 03, 2020

DOI: https://doi.org/10.2478/sgem-2020-0002

KeywordsCone Penetration Test (CPTu), soil stratification, convolutional filter, high-pass spatial filter

© 2020 Jakub Rainer et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Cone Penetration Test (CPTu), soil stratification, convolutional filter, high-pass spatial filter