Author(s)

G. Lorenzini & N. Mazza

Abstract

As the efficacy of countermeasures depends on complete comprehension of this phenomenon, the rheology of debris flows is an area that requires continuous research. By comparing the various rheological models and their relative velocity profiles in steady conditions, it has been possible to idenm the main strong and weak points of each one. The recognised necessity for greater knowledge on the dynamics of the phenomenon indicates that further developments could be obtained by an extension of the Julien model, which has considerable valence from a physical point of view. The reference to the experimental context could eventually allow us to perfect a technique that is close to the physical properties of the process and representative of experimental evidence. 1 Introduction Most debris flows originate as static an

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