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Researches

 

研究方向 / Research Direction

 

楊國鑫老師研究以水土資源為主軸,朝地工防災與永續工程方面深入研究。楊老師積極投入颱風豪雨導致水土複合災害分析,自然災害防治以及綠色再生能源這三的研究方向。期望透過科學方法提升基礎設施的安全性與永續性,以應對氣候變遷帶來的挑戰。

 

在颱風豪雨導致水土複合災害分析方面,楊老師分析山崩破壞機制與影響範圍及早期災害預警系統建置與優化,運用數值模擬、遙測技術與人工智慧輔助分析,應用於提升對災害潛勢識別與風險評估的準確度,進而提供在災時更精確的決策依據。此外,透過整合多元化的調查、分析與監測技術,強化災害預警的即時性與可靠性,以減輕災害對人員、社會與經濟的影響。

 

在自然災害防治方面,楊老師計畫研發有效的自然災害防治工法,應用於提升公共基礎設施在極端氣候條件下的穩定性與韌性,以及抵禦自然災害的能力。例如,探討以地工合成材料加勁工法於道路邊坡崩塌修復的應用,優化土石流防砂壩的設計,提高抗洪堤防與河川護岸的防護能力,以及研究跨斷層段公路路堤的耐震與變形控制,並進一步提出具體設計建議,提供實務工程應用參考。期望透過這些研究成果提升國土防災能力,最終達成建立永續安全家園的目標。

 

在綠色再生能源領域,楊老師致力於淺層地熱與地工能源基礎技術之研究,以數值分析、現地試驗、與案例分析的方式,探討土壤與基礎結構的熱交換機制,評估其在節能、省電及減少碳排放方面的潛力與實際應用效益。同時,亦規劃深入分析能源基礎受溫度影響下的力學行為,發展適用於不同地質條件、地下水與氣候環境的最佳化設計,以確保結構穩定性與能源效益的雙重目標。透過上述研究,楊老師期望為綠色基礎設施的發展提供科學依據,促進工程技術與環境永續發展的融合,並推動能源基礎技術的廣泛應用,以提升城市能源韌性,實現節能減碳與永續發展的目標。

 

目前研究 / Current Research

科技部整合型研究計畫-淺層崩塌災害多元調查、分析與整治工法之發展與整合研究
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)

科技部2030跨世代年輕學者方案(優秀年輕學者)研究計畫
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

農業部農村發展與水土保持署委託計畫
Performance of GRS Structures as Riverbank Protection 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

科技部2030跨世代年輕學者方案(優秀年輕學者)研究計畫
Performance of GRS Foundations 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)

交通部台灣鐵路管理局委託計畫-邊坡巡檢精進系統建置
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

台大-伊利諾大學共同研究與創新種子計畫
Assessment of Thermal and Mechanical Reposnes of Engery Foundations
for Shallow Ground Geothermal Engery

Use of shallow ground geothermal energy as a renewable and sustainable energy resource: (a) ground source heat pump and geothermal energy system; (b) photo of energy raft foundation in Taipei; (C) numerical simulation of heat exchange between geothermal pipe and adjacent soils.

 
 
  Last Update: 2025-03-17