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Researches

 

研究方向 / Research Direction

 

Dr. Yang and his research team focus on the geo-environmental and geo-disaster engineering related research issues. Three main research directions are summarized in the following table. Dr. Yang's team has conducted many researches and projects on the analysis, design and case study of slopes and earth retaining structures. The aim is to provide better understanding of the performance and failure mechanism of slopes and earth structures subject to natural disaster (heavy rainfall, flood, earthquake, and fault displacement). The research results are applied to prevent and mitigate the natural disaster induced damage or collapse of geotechnical earth structures, and to achieve the ultimate goal of establishing sustainable infrastructures and safe homeland.

 

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目前研究 / Current Research

Post-failure Process and Kinematic Behavior of Landslides

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Landslide model and validation: (a) full-scale test by Moriwaki et al. (2004); (b) numerical results of final deposited slope (deformed mesh) and development of shear band (shear strain contour) after landslide

Video of landslide modeling using material point method (MPM)

Performance of GRS Structures with Marginal Backfill subjected to Rainfall

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GRS wall model test setup: (a) photo; (b) illustration and instrumentation

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Deformation of GRS wall upon rainfall: (a) test result; (b) shear strain by Geo-PIV analysis

Observation of rainfall infiltration using fluorometer: rainwater reaches (a) one-third of wall height; (b) the wall base

Video of reduced model test on GRS wall subjected to rainfall

Performance of GRS Structures as Detention Pond subjected to Flood

GRS wall subjected to flood: (a) real case located within the ramp of the Shalu Interchange of National Freeway No. 3, Taichung; (b) model test

Performance of GRS Foundation for Faulting Hazard Mitigation

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GRS foundation model test setup: (a) photo; (b) illustration and instrumentation

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Test and FE results for ground settlement and angular distortion of foundations subjected to fault offset: (a) unreinforced; (b) reinforced

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Propagation of shear rupture by Geo-PIV analysis: (a) unreinforced (breakthrough at ground surface); (b) reinforced (effectively intercepted by the top geosynthetic layer)

Improvement of Prediction Reliability of Landslide Susceptibility Analysis by Incorporating InSAR Data

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Verification of Landslide susceptibility analysis uing 12/04 Houtong Landslide: (a) InSAR data overlapped with google earth image (actual landslide areas are highlighted in read color); (b) Landslide susceptibility map

Evaluation of Wall Deflection of Deep Excavation in Soft Clay at Central Jakarta

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Deep excavation in soft clay in Central Jakarta: (a) Photo of MRT construction; (b) 3D FE model; (C) Comparison between predicted and measured wall deformation

 
 
  Last Update: 2021-10-07