[PDF] Top 20 Experimental study on the rheological behaviour of debris flow

... ditionally, debris flows have been regarded as homogeneous fluids and flow behaviour has been considered to be con- trolled by the properties of the “matrix”, a mixture of fine sediment and water in which ... See full document

... the rheological properties naturally change, even during a single debris-flow event (Remaitre et ...for debris flows taking place in the same torrent (Arattano et ...the rheological ... See full document

... the rheological behavior or to other aspects of the modeling of the debris ...4.1 Rheological behaviour of the debris flow – discussion The rheological properties of a ... See full document

... of debris flow occurrence and to predict its peak discharge and flow velocity (Rickenmann, ...the debris flow dynamics and the consequent hazard assessment need different approaches, according to the ... See full document

... describe debris flows ignores experimental evidences of dynamic pressures arising from the grain collisions in granular flows (Iverson, 1997) which suggest that rheological relations that do not ... See full document

... the debris flow features during its flow phase are generally dilating (Takahashi, 1997) due to visco- frictional ...the debris flow density along the channel, because the tests were performed specifically ... See full document

... the rheological characteristics of the debris-flow ma- terial can not be changed during the ...viscoplastic behaviour for the entire ...the debris-flow through topographic variations of the ... See full document

... This study quantifies the relationship between flow depth, acoustic amplitude of debris flow induced ground vibra- tions and front velocity in the experimental catchment of Acquabona, Eastern ... See full document

... analysing debris flow dynamics widely adopted by researchers and ...adopted rheological parameters (see, for exam- ple, Bertolo et ...single-phase rheological ap- ...the behaviour of future ... See full document

... the behaviour of the stormy cells in the area has an important role in defining cumulative rainfall and intensity that causes debris-flow ini- ...to debris-flow ...for debris-flow triggering ... See full document

... present study describes entrainment charac- teristics of bed material into debris flow, based on flume tests, numerical and dimensional ...supplying debris flows having unsaturated sedi- ment ... See full document

... of debris, as it occurs in case of debris ...the rheological characteristics of an event can be detected only when some recorded hydro- graphs or videos are ...the rheological behaviour ... See full document

... this study, notched beams were used to determine fracture parameters by conducting four point bending ...compared. Experimental results were used to validate the results obtained from numerical study ... See full document

... whole study site was covered by the debris flow in the prototype, because the debris flows were triggered in 11 gullies along the river on that day ...of debris flow coming out from the rest ... See full document

... of debris flows were calculated based on the rational ...sess debris flow risks and to evaluate the performance of the risk reduction program, including mitigation structures, evacuation measures and ... See full document

... of debris flow energy on the lengh during throw the debris flow from I row of truncated half cone-shaped elements to III ...of debris flow on the construction is follow: ... See full document

... the debris flow deposit, and that the erosive volume from channels is often many times greater than from source landslide ...the study area and is, at least in part, compensated by the development of ... See full document

... Generally, rheological properties of beverages are very often discussed in papers of other ...basic rheological properties of wine have been evaluated only in a few papers, for example, in the work of ... See full document

... This study presents the numerical analysis results of three-dimensional (3-D) Finite elements Method, utilizing the "ANSYS 11" software, to simulate the relationship between: micropiles, pipes, structures, ... See full document

... the debris flows observed between 1979 and 2013 is 14 000 m 3 (median 8000 m 3 ; Aigner et ...of debris flows, was com- puted through DEM differencing (Cavalli et ...the study site and monitoring ... See full document