Landslide Hazard Controlled by Water-Rock Interaction and Risk Assessment in Hydropower Development

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrogeology".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1280

Special Issue Editors


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Guest Editor
College of Water Resources and Hydropower, Sichuan University, Chengdu 610065, China
Interests: landslide mechanism; rock slope movement and stability; landslide susceptibility; engineering geology; engineering geomorphology; landscape evolution
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E-Mail Website
Guest Editor
School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Interests: landslide risk quantification; data-centric geotechnics; reliability-based design and analysis; Bayesian analysis; intelligent site characterization

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Guest Editor
Faculty of Geosciences and Engineering, Southwest Jiaotong University, Chengdu, China
Interests: landslide susceptibility; hazards and risk assessment; rock weathering; mi-cro-mechanism of rock–soil, machine learning; water–rock interaction

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Guest Editor
China Renewable Energy Engineering Institute, Beijing 100120, China
Interests: landslide dam breach; outburst flood evaluation; risk analysis; risk management of cascade reservoir; disaster prevention

Special Issue Information

Dear Colleagues,

Advances in hydropower are being increasingly exploited in mountainous regions, where a large number of landslide hazards are associated with complex hydrological dynamics and active tectonics. Rainfall and the water level of reservoirs fluctuate as the typical disturbances caused by major hydropower engineering lead to periodic infiltration and exfiltration within the hillslope, which can further induce slope movements regardless of the rock slope or landslide deposits. Water–rock interactions are significantly implicated in these hydrological and geological processes, facilitating chemical and physical weathering that eventually results in rock deterioration and slope destabilization. As a result, the complicated factors contributing to the control or collapse of these processes and the potential hazard chains pose a challenge to the development of robust risk assessments, especially in high-relief areas. In order to develop reliable and effective tools for the assessment of potential hazards and their evolution in engineering areas with complex environments, the mechanism and kinematics of catastrophic landslide hazards induced by advances in hydropower must be evaluated. It is also crucial to develop robust approaches to risk assessment for the purpose of regional disaster prevention and mitigation.

The scope of this Special Issue, entitled “Landslide Hazard Controlled by Water-rock Interaction and Risk Assessment in Hydropower Development”, includes the development of landslide hazards in critical hydropower engineering areas according to the geomorphology, geology, environment, hydrology and rock deterioration present, and risk assessments and early warning systems for hazard evolution using artificial intelligence, monitoring, numerical simulation, reliability-based analysis, and other advanced techniques or approaches. Scholars are also welcome to submit research addressing hazard chains such as natural dam formation, dam breaches, and outburst flood evolution.

Dr. Siyuan Zhao
Dr. Tengyuan Zhao
Dr. Sixiang Ling
Dr. Xingbo Zhou
Guest Editors

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Keywords

  • landslide hazard
  • risk assessment
  • hydropower development
  • hydrological dynamics
  • early warning
  • water-rock interaction
  • hazard chain
  • artificial intelligence
  • monitoring
  • numerical simulation
  • reliability-based analysis

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Published Papers (2 papers)

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Research

22 pages, 21487 KiB  
Article
Influence Mechanism of Water Level Variation on Deformation of Steep and Toppling Bedding Rock Slope
by Tiantao Li, Weiling Ran, Kaihong Wei, Jian Guo, Shihua Chen, Xuan Li, Mingyang Chen and Xiangjun Pei
Water 2024, 16(19), 2706; https://doi.org/10.3390/w16192706 - 24 Sep 2024
Viewed by 421
Abstract
The construction of major hydropower projects globally is challenged by slope deformation in reservoir areas. The deformation and failure mechanisms of large rock slopes are complex and poorly understood, making prevention and management extremely challenging. In order to explore the influence mechanism of [...] Read more.
The construction of major hydropower projects globally is challenged by slope deformation in reservoir areas. The deformation and failure mechanisms of large rock slopes are complex and poorly understood, making prevention and management extremely challenging. In order to explore the influence mechanism of the water level variation on the deformation of steep toppling bedding rock slopes, this paper takes the right bank slope near the dam area of the Longtou Hydropower Station as an example, and field investigations, deformation monitoring, physical simulation tests and numerical analyses are carried out. It is found that the slope deformation response is obvious under the influence of the reservoir water level variation, which is mainly reflected in the change in the slope groundwater level, rock mechanical parameters and seepage field in the slope body. The toe of the slope produces plastic deformation and maximum displacement. With the increase in the reservoir water level, the plastic zone expands and the displacement increases, which leads to the intensification of the slope deformation. This paper puts forward that the deformation and failure modes of the steep and toppling bedding rock slope caused by water level variation are due to shear dislocation, bending deformation and toppling fracture. This study reveals the influence mechanism of the water level variation on the deformation of steep and toppling bedding rock slopes, which can provide theoretical support for the construction of major hydropower projects. Full article
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16 pages, 6008 KiB  
Article
Research on 3D Geological and Numerical Unified Model of in Mining Slope Based on Multi-Source Data
by Juehao Huang, Yuwei Fang, Chao Wang, Zhihui Zhang and Yinan Li
Water 2024, 16(17), 2421; https://doi.org/10.3390/w16172421 - 27 Aug 2024
Viewed by 547
Abstract
As mining engineering progresses into the deep excavation phase, the intensification of high pressure, high temperature, strong disturbances, and complex geological conditions becomes increasingly prominent. Researchers perform stability analysis on the excavation area to reduce potential safety hazards during the extraction process. Developing [...] Read more.
As mining engineering progresses into the deep excavation phase, the intensification of high pressure, high temperature, strong disturbances, and complex geological conditions becomes increasingly prominent. Researchers perform stability analysis on the excavation area to reduce potential safety hazards during the extraction process. Developing a detailed numerical calculation model that accurately reflects the true geological structure is essential for numerical simulation analysis in mining engineering. Based on the excellent 3D geological modeling capabilities of 3D Mine software, this paper introduces a new 3D geological and numerical unified modeling method (3DMine-Rhino-HyperMesh) involving multi-software coupling and details the specific steps and concepts of this modeling approach. Subsequently, using a certain open-pit mine in Panzhihua as a backdrop, a detailed geological and numerical unified model is established, reflecting the true geological structure of the mining area, and the potential failure mechanisms of the mine slope are analyzed. The results indicate that the modeling method aligns well with the actual geological conditions, enhancing the grid quality of the numerical model and offering a new modeling approach for simulating and analyzing large complex geological entities in mining operations. Full article
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