نتایج جستجو برای: slope instability

تعداد نتایج: 141389  

Hasan Golmaei Hossein Hakimi Khansar, Majid Sheidaeian

The seepage and slope stability are very important and necessary in the dam dirt are, therefore, in this context, numerous applications to predict and calculate the rate of leakage has been prepared that than the experimental time and cost savings for the analysis of liquids before construction of earth dams need. In this study, safety factors for slope stability software Kaboodwal  plaxis two-...

Journal: :Optics letters 2011
Boaz Ilan Yonatan Sivan Gadi Fibich

We present an approach for instabilities of solitons that is based on the spectrum of a fourth-order linearized operator. Unlike the standard approach which is based on the slope (Vakhitov-Kolokolov) condition, this approach provides the quantitative value of the instability rate and the qualitative nature of the instability dynamics.

2004
M. Giardino

Large slope instabilities are gravitational phenomena whose main characteristics are the multi-km2 area extension and the complex geometrical, geomorphological and geomechanical settings. Several studies outlined their importance in spatial and temporal occurrence of natural hazards on wide mountain areas and their possible interaction in human activities. For the study of large slope instabili...

In layered and blocky rock slopes, toppling failure is a common mode of instability that may occur in mining engineering. If this type of slope failure occurs as a consequence of another type of failure, it is referred to as the secondary toppling failure. “Slide-head-toppling” is a type of secondary toppling failures, where the upper part of the slope is toppled as a consequence of a semi-circ...

2006
D. Minisini

The Southwestern Adriatic Margin (SAM) shows evidence of widespread failure events that generated slide scars up to 10 km wide and extensive slide deposits with run out distances greater than 50 km. Chirp-sonar profiles, side-scan sonar mosaics, multibeam bathymetry and sediment cores document that the entire slope area underwent repeated failures along a stretch of 150 km and that masstranspor...

2003
Chandan DASGUPTA

– Conserved growth models that exhibit a nonlinear instability in which the height (depth) of isolated pillars (grooves) grows in time are studied by numerical integration and stochastic simulation. When this instability is controlled by the introduction of an infinite series of higher-order nonlinear terms, these models exhibit, as function of a control parameter, a non-equilibrium phase trans...

2001
S. Qin J. J. Jiao S. Wang

A cusp catastrophe model is developed for slip-buckling slope by catastrophe theory, and the formulations of the necessary and su1⁄2cient conditions for instability of the slope are presented. It is found that di ̈erent regions (II, III and IV in Fig. 4) in the control space divided by the bifurcation set correspond well to the primary, secondary and tertiary creep phases. The corresponding disc...

Journal: :Journal Of Geophysical Research: Earth Surface 2021

Reliable monitoring of unstable rock slopes is a prerequisite for successful mitigation landslide hazards. However, most state-of-the art techniques rely on measuring the local surface displacement in potential release area. In contrast, recording ambient vibration data allows analyzing structural dynamic parameters slope, such as resonance frequency, polarization vibration, and energy dissipat...

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