Analysis of Baishuihe landslide influenced by the effects of reservoir water and rainfall

Li, Deying; Yin, Kunlong; Leo, Chin Jian

doi:10.1007/s12665-009-0206-2

Cited by 130 publications

(45 citation statements)

References 18 publications

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“…The majority of the deformations occurred during the declination of the reservoir water level, and no large deformations were observed when the reservoir water level remains stable or increases. Similar observations were also made by previous studies [12][13][14][15][16][17][18]. Due to the extensive deformation of the Hongyanzi landslide, a multiparameter monitoring program was conducted on the Hongyanzi landslide to advance the understanding on the deformation characters and its major influencing factors.…”

Section: Overview Of the Hongyanzi Landslidesupporting

confidence: 77%

The Monitoring-Based Analysis on Deformation-Controlling Factors and Slope Stability of Reservoir Landslide: Hongyanzi Landslide in the Southwest of China

et al. 2018

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Reservoir landslide is a type of commonly seen geological hazards in reservoir area and could potentially cause significant risk to the routine operation of reservoir and hydropower station. It has been accepted that reservoir landslides are mainly induced by periodic variations of reservoir water level during the impoundment and drawdown process. In this study, to better understand the deformation characters and controlling factors of the reservoir landslide, a multiparameter-based monitoring program was conducted on a reservoir landslide-the Hongyanzi landslide located in Pubugou reservoir area in the southwest of China. The results indicated that significant deformation occurred to the landslide during the drawdown period; otherwise, the landslide remained stable. The major reason of reservoir landslide deformation is the generation of seepage water pressure caused by the rapidly growing water level difference inside and outside of the slope. The influences of precipitation and earthquake on the slope deformation of the Hongyanzi landslide were insignificant.

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Section: Overview Of the Hongyanzi Landslidesupporting

confidence: 77%

The Monitoring-Based Analysis on Deformation-Controlling Factors and Slope Stability of Reservoir Landslide: Hongyanzi Landslide in the Southwest of China

et al. 2018

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“…In this study, we chosen part of the upstream and downstream of Baishuihe landslide which is continuous deformed since the first impoundment of the Three Gorge Reservoir (TGR) in early July 2003 (Li et al 2010) as the prototype. More specifically, the 3D undistorted channel model was established based on the generalized Froude similarity.…”

Section: Experiments Settingsmentioning

confidence: 99%

Modeling of landslide generated waves in Three Gorges Reservoir, China using SPH method

Wang

Chen

Yin

et al. 2016

JGS Special Publication

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To investigate the wave characteristics generated by subaerial landside in Three Gorges Reservoir, China, a large laboratory physical experiment was conducted. Specially, the channel of Baishuihe landslide in the reservoir was selected as prototype and reproduced with scale of 1:200 under the similarity conditions. A series of test with different collocation of parameters were performed. Empirical equations were derived by the means of dimensionless analysis and multiple nonlinear regression. The proposed equations were then used to quickly predict the wave features (maximum wave amplitude, runup, and wave attenuation) of Gongjiafang landslide in the Wu Gorge. Numerical simulation of waves generated by Gongjiafang landslide was carried out using DualSphysics which is a SPH method based application. Comparison between the wave features derived from the numerical simulation and the prediction equations was looked insight. Results show better agreements of both methods either in maximum wave amplitude and runup. In Addition, wave characteristics (wave length, velocity and period) were well analyzed using the wave gauges' data in the numerical simulation. It can be concluded that the modeling work using SPH method should be well adopted in investigating the problems of landslide generated waves in detail, while the equations derived from the experiment enable a quick basis in the prediction of the main wave features. Combination of both methods will be an excellent way in analyzing the practical case and thus provides significant means for hazard assessment and prevention.

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“…Geological structures, as discontinuities, also can be access for water to flow inside the slope and affect the properties of soil [9]. Therefore, this paper aims to know the contribution of physical properties of soil, which is represented by its activities, and geological structures that develop at the site of research on the occurrence of the soil creep.…”

Section: Introductionmentioning

confidence: 99%

Collaboration of high activity soil and geological structure factors in Pagelaran soil creep occurrence, Indonesia

et al. 2017

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Abstract. Soil creep is a landslide that moves slowly but it does not mean harmless. Soil creep that succeeded in forcing the citizens to migrate occurred in Pagelaran by wiping out 13 houses. This paper aims to know the contribution of geological structures and physical properties of soil toward the creeping occurrence. The methods used in this research consist of geological structure mapping; soil sampling; laboratory works; and analysis of geological structures and soil activity. Geological structures analysis indicates that the main force worked predominantly in NE-SW direction, parallel with creeping. It expresses that the creep was influenced by the orientation of them. Additionally, their distribution can be used as access for rainwater to infiltrate and add to the burden of the slopes. While laboratory results show that, the soil is classified into MH and CH. Calculation of activity numbers of soil indicates that it has a high -very high activity with value between 0.705 -1.4931 (Skempton, 1953). It means that the soil will swell easily if contaminated by water.

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Analysis of Baishuihe landslide influenced by the effects of reservoir water and rainfall

Cited by 130 publications

References 18 publications

The Monitoring-Based Analysis on Deformation-Controlling Factors and Slope Stability of Reservoir Landslide: Hongyanzi Landslide in the Southwest of China

The Monitoring-Based Analysis on Deformation-Controlling Factors and Slope Stability of Reservoir Landslide: Hongyanzi Landslide in the Southwest of China

Modeling of landslide generated waves in Three Gorges Reservoir, China using SPH method

Collaboration of high activity soil and geological structure factors in Pagelaran soil creep occurrence, Indonesia

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