Automatic online calibration software EXCALIBRE

Abstract eng:
This paper introduces a website application called ExCalibre, which calibrates three advanced soil models, namely elastoplastic Modified Cam-Clay model, hypoplastic clay and hypoplastic sand model. Even though these models have been long known and verified in numerous scientific works, their employment in the engineering practice is still limited. This state is caused by the lack of knowledge of advanced soil models as well as complicated calibration methods to be used in practice. Consequently, simple constitutive models such as Morh-Coulomb are often used, which cannot accurately simulate the soil response under various loading conditions and thus negatively affect the final structure design. The current work is focused on providing a powerful tool to calibrate the aforementioned advanced soil models and thus improve the current engineering design. This application is developed in the close cooperation of the Czech Technical University, the Charles University and SG Geotechnika plc.

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