<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents an analysis of the parameters selection for the Cam-Clay model for the purposes of FEM calculations concerning a wide residential building. Model parameters were determined on the basis of CPT and SDMT field tests, as well as laboratory triaxial and oedometer tests. Geodetic benchmarks for which vertical displacement measurements were periodically carried out using the precision levelling method were placed on the building. Multi-stage calculations were performed as part of numerical analyses. The places where benchmarks had been placed were separated using a model of the building. Subsequently, multivariate calculations were made with parameters derived using various methods. After calibrating the partial models, the next step consisted of calculations in respect of the entire building model, including the subsoil. At each stage, the results of vertical displacements were compared to the real values measured geodetically. As a result, a convergence of displacements from both the numerical analysis and the values measured geodetically was achieved. This allowed us to propose a methodology for determining the parameters of the Cam-Clay model for the loess subsoil directly on the basis of the results of field tests.</p></abstract>

The paper presents an analysis of the parameters selection for the Cam-Clay model for the purposes of FEM calculations concerning a wide residential building. Model parameters were determined on the basis of CPT and SDMT field tests, as well as laboratory triaxial and oedometer tests. Geodetic benchmarks for which vertical displacement measurements were periodically carried out using the precision levelling method were placed on the building. Multi-stage calculations were performed as part of numerical analyses. The places where benchmarks had been placed were separated using a model of the building. Subsequently, multivariate calculations were made with parameters derived using various methods. After calibrating the partial models, the next step consisted of calculations in respect of the entire building model, including the subsoil. At each stage, the results of vertical displacements were compared to the real values measured geodetically. As a result, a convergence of displacements from both the numerical analysis and the values measured geodetically was achieved. This allowed us to propose a methodology for determining the parameters of the Cam-Clay model for the loess subsoil directly on the basis of the results of field tests.

Selection of Cam-Clay Model Parameters for Loess Subsoil as Exemplified by a FEM 3D Analysis of a Wide Building

Acta Scientiarum Polonorum Architectura

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

The paper presents an analysis of the parameters selection for the Cam-Clay model for the purposes of FEM calculations concerning a wide residential building....

Selection of Cam-Clay Model Parameters for Loess Subsoil as Exemplified by a FEM 3D Analysis of a Wide Building

Publié en ligne: 29 janv. 2021

Pages: 67 - 81

Reçu: 02 juin 2020

Accepté: 23 juin 2020

DOI: https://doi.org/10.22630/aspa.2020.19.2.19

Mots clés
Cam-Clay, loess subsoil, CPT, SDMT, FEM 3D analysis

© 2020 Krzysztof Nepelski, published by Sciendo

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

Selection of Cam-Clay Model Parameters for Loess Subsoil as Exemplified by a FEM 3D Analysis of a Wide Building

Publié en ligne: 29 janv. 2021

Pages: 67 - 81

Reçu: 02 juin 2020

Accepté: 23 juin 2020

DOI: https://doi.org/10.22630/aspa.2020.19.2.19

Mots clésCam-Clay, loess subsoil, CPT, SDMT, FEM 3D analysis

© 2020 Krzysztof Nepelski, published by Sciendo

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

Mots clés
Cam-Clay, loess subsoil, CPT, SDMT, FEM 3D analysis