The numerical modeling of swelling strain and swelling pressure of expansive soils when saturated with a unique set of material parameters is still a challenge that persists to this day. In collaboration with BTU Cottbus and Ruhr University Bochum, we have developed a new hypoplastic model for expansive soils. In our latest publication in the journal Bautechnik, we validate this model by back-calculating numerous laboratory tests and introduce a simplified calibration procedure.

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