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An Empirical Power Density-Based Friction Law and Its Implications for Coherent Landslide Mobility

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F20%3A10416447" target="_blank" >RIV/00216208:11310/20:10416447 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=wNdVGFJQpM" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=wNdVGFJQpM</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1029/2020GL087581" target="_blank" >10.1029/2020GL087581</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    An Empirical Power Density-Based Friction Law and Its Implications for Coherent Landslide Mobility

  • Original language description

    The evolution of the shear resistance at the base of a coherent landslide body can effectively control its dynamic behavior. High-velocity rotary shear experiments have allowed scientists to explore stress-strain conditions close to those found in large landslides and faults. These experiments have led to two alternative models being proposed, which describe the evolution of the shear resistance through friction laws that depend either on normal stress or on velocity. Here, we discuss an integrated approach, first proposed to study seismic fault behavior, that reconciles these two models under a single parameter-the power density-which we utilize for the first time to investigate landslide dynamics. Using thermodynamic and process-based considerations, different soil and rock types can be related to different weakening mechanisms, which in turn can determine different landslide behaviors.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10505 - Geology

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Geophysical Research Letters

  • ISSN

    0094-8276

  • e-ISSN

  • Volume of the periodical

    47

  • Issue of the periodical within the volume

    jun

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    9

  • Pages from-to

    e2020GL087581

  • UT code for WoS article

    000543387400030

  • EID of the result in the Scopus database

    2-s2.0-85086432497