نتایج جستجو برای: slope instability

تعداد نتایج: 141389  

Journal: :Journal of Infrastructure Preservation and Resilience 2021

Abstract To semi-quantitatively assess the effects of climate change on slope failures, this paper proposes an effective approach for evaluating influences stability in seasonally cold regions. discuss change, study firstly analyzes trend two main factors (precipitation and air temperature) based regression analysis results meteorological monitoring data during past 120 years different scales (...

Journal: :Frontiers in Earth Science 2022

Landslides and slope failures represent critical hazards for both the safety of local communities potential damage to economically relevant infrastructure such as roads, hydroelectric plants, pipelines, etc. Numerous surveillance methods, including ground-based radar, InSAR, Lidar, seismometers, more recently computer vision, are available monitor landslides instability. However, high cost, com...

2009
CHUIXIANG YI

Tall vegetation and complex terrain create difficult conditions for measuring and modeling net ecosystem– atmosphere exchanges of carbon, water vapor, and pollutants. The instability of canopy flow regimes over complex terrain is critical for understanding what factors are essential to control exchanges between different canopy flow regimes. In this paper, an analytical criterion of instability...

Journal: :E3S web of conferences 2023

Based on the instability and failure of granite residual soil slope, this paper will introduce stability slope from theoretical research, indoor outdoor simulation tests, numerical analysis. review previous work latest research results, analysis is discussed, main influencing factors are summarized. The are: its own disintegration property; degree microcracks in internal structure.

2005
Mark J. Thompson David J. White Muhannad T. Suleiman

Slope reinforcement and the use of structural pile elements can be an effective slope remediation alternative when conventional remediation practices (e.g., improved drainage) fail to consider the causal factors leading to slope instability (e.g., strength loss due to weathering). An experimental research program was aimed at developing a rapid, cost-effective, and simple remediation system tha...

Journal: :Remote Sensing 2015
Qian Sun Lei Zhang Xiaoli Ding Jun Hu Hongyu Liang

Monitoring slope instability is of great significance for understanding landslide kinematics and, therefore, reducing the related geological hazards. In recent years, interferometric synthetic aperture radar (InSAR) has been widely applied to this end, especially thanks to the prompt evolution of multi-temporal InSAR (MTInSAR) algorithms. In this paper, temporarily-coherent point InSAR (TCPInSA...

2017
Jamie Gilham

13 Erosion and slope instability poses a significant hazard to communities and 14 infrastructure located is coastal areas. We use point cloud and spectral data derived from close 15 range digital photogrammetry to perform a kinematic analysis of chalk sea cliffs located at 16 Telscombe, UK. Our data were captured from an unmanned aerial vehicle (UAV) and cover a 17 cliff face that is about 750 ...

Journal: :Computers & Geosciences 2006
N. A. S. Hamm J. W. Hall M. G. Anderson

Variance-based sensitivity analysis of the probability of hydrologically induced slope instability Abstract Analysis of the sensitivity of predictions of slope instability to input data and model uncertainties provides a rationale for targeted site investigation and iterative refinement of geotechnical models. However, sensitivity methods based on local derivatives do not reflect model behaviou...

2009
Z. Chitu I. Savulescu

The shallow landslides affect most of the hillslopes in the Prahova Subcarpathians and are mainly caused by the agriculture practices. Though, these processes do not imply immediately losses for human activity, the landslide susceptibility assessment is necessary to prevent terrain degradation. The evaluation of landslide susceptibility requires understanding of spatial distribution of the fact...

2016
Michele Orini Peter Taggart Neil Srinivasan Martin Hayward Pier D Lambiase

BACKGROUND The restitution of the action potential duration (APDR) and conduction velocity (CVR) are mechanisms whereby cardiac excitation and repolarization adapt to changes in heart rate. They modulate the vulnerability to dangerous arrhythmia, but the mechanistic link between restitution and arrhythmogenesis remains only partially understood. METHODS This paper provides an experimental and...

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