Numerical simulations of cone penetration in cemented sandstone

Aigerim Rakhimzhanova; Colin Thornton; Yerlan Amanbek; Yong Zhao

doi:10.1051/epjconf/202124914010

Numerical simulations of cone penetration in cemented sandstone

Aigerim Rakhimzhanova, Colin Thornton, Yerlan Amanbek, Yong Zhao

School of Sciences and Humanities

Research output: Contribution to conference › Paper › peer-review

6 Citations (Scopus)

Abstract

In this study, three-dimensional simulations of cone penetration tests (CPT) in cemented sandstone have been investigated using the Discrete Element Method (DEM). We generated the realistic grain size distribution of sandstone in the numerical simulations using the Ustyurt-Buzachi Sedimentary Basin samples. Numbers of numerical CPT tests at different bond strength values were performed with the penetrometer vertically moved down at a constant rate. The results of the real-world particle size distribution show that the cone penetration resistance and side friction increase with increasing depths; and with increase in bond strength the cone resistance and side friction decrease, while the friction ratio increases. The result of numerical CPT tests in cemented sandstone was found to be in good agreement with the Soil Behaviour Type (SBT) classification system from CPT data.

Original language	English
DOIs	https://doi.org/10.1051/epjconf/202124914010
Publication status	Published - Jun 7 2021
Event	9th International Conference on Micromechanics on Granular Media, Powders and Grains 2021 - Virtual, Online, Argentina Duration: Jul 5 2021 → Aug 6 2021

Conference

Conference	9th International Conference on Micromechanics on Granular Media, Powders and Grains 2021
Country/Territory	Argentina
City	Virtual, Online
Period	7/5/21 → 8/6/21

ASJC Scopus subject areas

Materials Science (miscellaneous)

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10.1051/epjconf/202124914010

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title = "Numerical simulations of cone penetration in cemented sandstone",

abstract = "In this study, three-dimensional simulations of cone penetration tests (CPT) in cemented sandstone have been investigated using the Discrete Element Method (DEM). We generated the realistic grain size distribution of sandstone in the numerical simulations using the Ustyurt-Buzachi Sedimentary Basin samples. Numbers of numerical CPT tests at different bond strength values were performed with the penetrometer vertically moved down at a constant rate. The results of the real-world particle size distribution show that the cone penetration resistance and side friction increase with increasing depths; and with increase in bond strength the cone resistance and side friction decrease, while the friction ratio increases. The result of numerical CPT tests in cemented sandstone was found to be in good agreement with the Soil Behaviour Type (SBT) classification system from CPT data.",

author = "Aigerim Rakhimzhanova and Colin Thornton and Yerlan Amanbek and Yong Zhao",

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AU - Rakhimzhanova, Aigerim

AU - Thornton, Colin

AU - Amanbek, Yerlan

AU - Zhao, Yong

PY - 2021/6/7

Y1 - 2021/6/7

N2 - In this study, three-dimensional simulations of cone penetration tests (CPT) in cemented sandstone have been investigated using the Discrete Element Method (DEM). We generated the realistic grain size distribution of sandstone in the numerical simulations using the Ustyurt-Buzachi Sedimentary Basin samples. Numbers of numerical CPT tests at different bond strength values were performed with the penetrometer vertically moved down at a constant rate. The results of the real-world particle size distribution show that the cone penetration resistance and side friction increase with increasing depths; and with increase in bond strength the cone resistance and side friction decrease, while the friction ratio increases. The result of numerical CPT tests in cemented sandstone was found to be in good agreement with the Soil Behaviour Type (SBT) classification system from CPT data.

AB - In this study, three-dimensional simulations of cone penetration tests (CPT) in cemented sandstone have been investigated using the Discrete Element Method (DEM). We generated the realistic grain size distribution of sandstone in the numerical simulations using the Ustyurt-Buzachi Sedimentary Basin samples. Numbers of numerical CPT tests at different bond strength values were performed with the penetrometer vertically moved down at a constant rate. The results of the real-world particle size distribution show that the cone penetration resistance and side friction increase with increasing depths; and with increase in bond strength the cone resistance and side friction decrease, while the friction ratio increases. The result of numerical CPT tests in cemented sandstone was found to be in good agreement with the Soil Behaviour Type (SBT) classification system from CPT data.

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Numerical simulations of cone penetration in cemented sandstone

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