72 Result(s)
within
Jia-Wen **e
Earth Sciences
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Article
A quantitative optimization method for rockfall passive nets on high-steep slopes: case study of the Feishuiyan slope
Rockfall poses a formidable threat to the ongoing fast-paced construction of large-scale projects in uninhabited areas in high mountain valleys. In this study, an optimization method for arranging passive nets...
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Article
Gravitational Failure Occurrence and Evolution of Rock Slopes Due to Dam Construction: A Case Study of Three Reservoirs in Southwest China
The spatial distribution pattern, DSGSD characteristics and influence of the controlling factors of reservoir rock landslides were analyzed in Southwest China.
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Article
Numerical Simulation of the Mass Movement Process of the 2018 Sedongpu Glacial Debris Flow by Using the Fluid-Solid Coupling Method
In the context of global warming and intensified human activities, glacier instability in plateau regions has increased, and glacier debris flows have become active, which poses a significant threat to the liv...
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Article
A Method for Automatic Assessment of Rockfall Susceptibility Based on High-Resolution Point Clouds
Typical rockfall analysis requires detailed discontinuity measurements; however, the use of conventional contact approaches can be challenging on cliffs. In this study, a novel automatic method for rockfall su...
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Article
Automatic discontinuity identification and quantitative monitoring of unstable blocks using terrestrial laser scanning in large landslide during emergency disposal
Fast and accurate assessment of slope topography and geological information and understanding of slope deformation evolution are of great significance in emergency investigation and monitoring of landslides. I...
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Article
A novel approach for slope stability evaluation considering landslide dynamics and its application to reservoir landslide
A novel and robust slope stability evaluation method based on energy method and radial slices method (RSM) is proposed and validated in terms of strength parameter sensitivity and determination of the critical...
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Article
Large-scale field test on deformation mechanism and stability enhancement of soil slope reinforced by the micro-NPR bolt
Bolts play a critical role in landslide disaster prevention and control as an effective slope reinforcement method. Generally, the Poisson's ratio bolt (PR bolt) has a limited effect in controlling large slope...
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Article
Assessing the mechanical effects of vegetation on the stability of slopes with different geometries and soil types
This study evaluated the mechanical effects of vegetation, both root reinforcement and trees’ weight, on slope stability using the Morgenstern–Price method. Root reinforcement was equivalently expressed as roo...
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Article
Failure mechanism analysis and mass movement assessment of a post‑earthquake high slope
Landslides induced by rainfall pose a notable threat to post-earthquake reconstruction in mountainous areas. Taking Qingliu landslide as an example, this paper reveals the potential failure mechanism and range...
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Article
DEM-SPH simulation for the formation and breaching of a landslide-dammed lake triggered by the 2022 Lushan earthquake
When lakes are dammed by earthquake-induced landslides, they can pose a significant threat to communities and infrastructure both downstream and upstream. To improve means for disaster prevention and mitigatio...
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Article
Risk assessment and landslide prevention design using numerical modelling — A case study in Qingliu, China
Numerous Quaternary deposits are existed in the mountainous areas of Southwest China, especially in the transition zone between the Qinghai-Tibet Plateau and the Sichuan Basin, where strong tectonic movements ...
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Article
Physical model test of the influence of the spillway geometry on the scouring and breaching process of landslide-dammed lakes
Unexpected breaching of landslide dams can produce tremendous floods and debris flows, thus greatly threatening the security and property of people living downstream. Research has revealed that erosion via out...
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Article
Preliminary analysis of a landslide-dammed lake induced by two consecutive earthquakes on June 1, 2022, Sichuan Province, China
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Article
A GIS-based probabilistic analysis model for rainfall-induced shallow landslides in mountainous areas
Landslides are serious natural disasters frequently occurring in the mountainous areas along the Sichuan–Tibet railway. Landslides are often induced by rainfall and greatly threaten people’s lives and property...
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Article
Transport process and mechanism of the Hongshiyan rock avalanche triggered by the 2014 Ludian earthquake, China
The Hongshiyan rock avalanche is a remarkable landslide disaster with approximately volume of 12 × 106 m3, triggered by the 2014 Ms. 6.5 Ludian earthquake in Yunnan Province, China. This study conducted a compreh...
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Article
Comprehensive analyses of initiation and failure mechanisms of the 2017 **nmo catastrophic rockslide
The failure of the 2017 **nmo catastrophic rockslide in Maoxian County, Sichuan, Southwest China was a combined effect of long-term and short-term triggering factors. Field investigation, historical data colle...
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Article
Bark controls tree branch-leached dissolved organic matter production and bioavailability in a subtropical forest
Bark is an essential component of tree branches, yet its role in controlling branch-leached dissolved organic matter (DOM) characteristics remains unknown in forests. Here, we collected branches (about 1.5 cm ...
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Article
Dynamic evolution mechanism and subsequent reactivated ancient landslide analyses of the “6.17” Danba sequential disasters
On June 17, 2020, a sequential disaster event, including debris flows, dammed lakes and the reactivation of ancient landslides, occurred in Danba County, Southwest China. The debris flow, which was triggered b...
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Article
Quantitative assessment of rockfall hazard in post-landslide high rock slope through terrestrial laser scanning
Post-landslide high slopes have always been at increased risk for rockfall disasters, posing a considerable threat to the slope toe area and making it very difficult to manage. In this paper, a comprehensive r...
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Article
Numerical estimation of landslide-generated waves at Kaiding Slopes, Houziyan Reservoir, China, using a coupled DEM-SPH method
The intrusion of debris avalanches into reservoirs frequently occurs in mountainous regions and is a complex solid-fluid interaction. A coupled discrete element method (DEM) and smooth particle hydrodynamics (...
