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Abstract:

Rock avalanches constitute geodynamic phenomena of great beauty and extraordinary power, but at the same time they usually mean destruction of life found in their way. Therefore, it is of prime importance to acquire information on the dynamics of such debris streams so that their kinematic behavior can be evaluated in regions where they present a potential risk to human life and life in general. The energy loss due to dissipative interaction is greater than previously estimated. Starting with the energy conservation equation, one formula for the overall frictional loss, and another for the movement velocity of the predicted trajectory of a potential rock avalanche body is estimated. © Springer Science+Business Media B.V. 2007.

Registro:

Documento: Artículo
Título:Large rock avalanches: A kinematic model
Autor:Zambrano, O.M.
Filiación:Departamento de Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, 1428 Ciudad Universitaria, Buenos Aires, Argentina
Palabras clave:Avalanches modelling; High mobility; Hsü correlation; Large rock avalanches; Movement velocity; Overall percentage frictional loss; Friction; Kinematics; Risk assessment; Velocity; Energy conservation equation; Overall frictional loss; Rock avalanche; Rock mechanics; correlation; energy dissipation; friction; geodynamics; kinematics; mobility; rock avalanche
Año:2008
Volumen:26
Número:3
Página de inicio:283
Página de fin:287
DOI: http://dx.doi.org/10.1007/s10706-007-9164-1
Título revista:Geotechnical and Geological Engineering
Título revista abreviado:Geotech. Geol. Eng.
ISSN:09603182
CODEN:GGENE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09603182_v26_n3_p283_Zambrano

Referencias:

  • Evans, S.G., Rock avalanche run-up record (1989) Nature, 340, p. 271
  • Evans, S.G., Hungr, O., Enegren, E.G., The Avalanche Lake rock avalanche, Mackenzie mountains, northwest territories, Canada: Description, dating, and dynamics (1994) Can Geotech J, 31, pp. 749-768
  • Fauque, L., Strecker, M.R., Large rock avalanche deposits (Sturzströme, sturzstroms) at Sierra Aconquija, northern Sierras Pampeanas, Argentina (1988) Eclogae Geol Helv, 81, pp. 579-592
  • Francis, P.W., Baker, M.C.W., Mobility of pyroclastic flows (1977) Nature, 270, pp. 164-165
  • Hsü, K.J., Catastrophic debris streams (sturzstromes) generated by rockfalls (1975) Bull Geol Soc Amer, 86, pp. 129-140
  • Kent, P.E., The transport mechanism in catastrophic rock falls (1966) J Geol, 74, pp. 79-83
  • Naranjo, J.A., Francis, P.W., High velocity debris avalanche al Lastarria volcano in the north Chilean Andes (1987) Bull Volcanol, 49, pp. 509-514
  • Shreve, R.L., Sherman landslide, Alaska (1966) Science, 154, pp. 1639-1643

Citas:

---------- APA ----------
(2008) . Large rock avalanches: A kinematic model. Geotechnical and Geological Engineering, 26(3), 283-287.
http://dx.doi.org/10.1007/s10706-007-9164-1
---------- CHICAGO ----------
Zambrano, O.M. "Large rock avalanches: A kinematic model" . Geotechnical and Geological Engineering 26, no. 3 (2008) : 283-287.
http://dx.doi.org/10.1007/s10706-007-9164-1
---------- MLA ----------
Zambrano, O.M. "Large rock avalanches: A kinematic model" . Geotechnical and Geological Engineering, vol. 26, no. 3, 2008, pp. 283-287.
http://dx.doi.org/10.1007/s10706-007-9164-1
---------- VANCOUVER ----------
Zambrano, O.M. Large rock avalanches: A kinematic model. Geotech. Geol. Eng. 2008;26(3):283-287.
http://dx.doi.org/10.1007/s10706-007-9164-1