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A Rheological Model of Sandstones considering Response to Thermal Treatment
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The Impact of Microearthquakes Induced by Reservoir Water Level Rise on Stability of Rock Slope
Published 2016-01-01“…In order to study the impact of frequent microearthquakes induced by water level rise on the stability of rock bedded slopes in the Three Gorges Reservoir (TGR) area, Zhaoshuling Landslide (a representative slope) is selected to study. …”
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Dynamic Prediction of Landslide Displacement Based on Multi-source Time Series
Published 2023-01-01“…Displacement prediction plays an important role in the landslide early warning and forecasting system.In order to improve the accuracy of displacement prediction,a method for dynamic prediction of landslide displacement combining variational modal decomposition (VMD) and double exponential smoothing method (DES) and neural network was proposed.Firstly,the variational modal decomposition was performed on the historical monitoring displacement data to generate multiple modal components,and then the prediction was carried out using the double exponential smoothing method and the extreme learning machine (ELM) model.And the particle swarm optimization algorithm was used to optimize the ELM model to finally accumulate the predicted values of each modal to complete the prediction.Taking the Baijiabao landslide in the Three Gorges reservoir area as an example,the established model was compared with the period terms predicted by least squares support vector machine (LSSVM) and convolutional neural network-gated recurrent unit (CNN-GRU).The results show that the DES-PSO-ELM used can effectively predict the changes of landslide displacement with the of RMSE,root mean square error (RMSE),mean absolute error (MAE),MAPE (mean absolute percentage error) and Pearson correlations of 1.293 mm,0.993 mm,0.008 0 and 0.999 8,respectively,showing minimum prediction errors.The research results can provide a technical basis for the landslide early warning monitoring system.…”
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Numerical Modeling of Coupled Surge-Heave Sloshing in a Rectangular Tank with Baffles
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225
Macro/Microtesting and Damage and Degradation of Sandstones under Dry-Wet Cycles
Published 2016-01-01“…In terms of the degradation of mechanical parameters of rock mass in the hydrofluctuation belt of a reservoir bank slope arising from rainfall and the reservoir level fluctuation, the moderately weathered sandstone in a side slope of the Three Gorges Reservoir Region is selected as a research object to carry out “drying-saturation-drying” tests for disks with two thicknesses (h=25 mm, h=50 mm) in different cycles; a spiral CT machine, an ultrasonic velocity meter, and a light Schmidt hammer are utilzed to conduct nondestructive testing on dry-wet cycles; through the Brazilian splitting test, the uniaxial tensile strength of “dry” and “saturated” sandstones under different dry-wet cycles is obtained. …”
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An Improved Peak Sidelobe Reduction Method for Subarrayed Beam Scanning
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Evaluation of Waterlogging Risk in an Urban Subway Station
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Mathematical Modeling for Water Quality Management under Interval and Fuzzy Uncertainties
Published 2013-01-01“…A real-world case for water quality management planning of the Xiangxi River in the Three Gorges Reservoir Region (which faces severe water quality problems due to pollution from point and nonpoint sources) is then conducted for demonstrating the applicability of the developed method. …”
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Study on Dynamic Response Laws and Shock Absorption Measures of Mountain Tunnel under Strong Earthquake
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Global patterns of taxonomic and phylogenetic endemism in liverwort assemblages
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A resilience assessment framework for slopes considering multiple performance indicators
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Effect of modified phosphogypsum on the dimensional stability of supersulfated cement-based materials
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Real-Time Safety Risk Assessment Based on a Real-Time Location System for Hydropower Construction Sites
Published 2014-01-01Get full text
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