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  • 學位論文

柳枝工護岸抗掃流力之研究

A Study on Flow Resistance of Willow Works Revetment

指導教授 : 張德鑫

摘要


隨著國內對於生態環境的關注,植生護岸工程已成為近年來穩定河川堤防工程的重要方法,但此工程於規劃及設計上卻因缺乏濱水帶植生之水力行為及其水理影響之研究,造成植生護岸之安全評估上仍有待探討,故本研究即選擇柳枝工護岸工程之力學特性為研究主軸。   本研究以理論分析配合現地試驗,進行柳枝工護岸工程之力學特性探討。現地拉拔試驗場址為台中筏子溪之柳枝工護岸工程,而水流模擬河段則為同採柳枝工護岸之台東縣卑南溪流域第 91~96 號斷面。研究中利用River2D二維水流模擬軟體模擬結果,探討柳枝工護岸於5年、10年、20年、50年、100年、200年等頻率之洪水時,其植生護岸可能造成之破壞。研究中,透過植生阻力、水流導致植物彎曲之破壞力學、植物抗破壞力矩等理論推導,彙整一簡易評估柳枝工護岸其連根拔起之破壞模式,研究成果可提供後續進行相關工程設計及安全性評估之參考。

並列摘要


As the domestic concern for the ecological environment, vegetation revetment engineering became the stable river embankment project in recent years. However, this project because of lack of planning and design planted hydrologic behavior and hydraulic influence studies of the river riparian zone. The cause has yet to be explored in the safety assessment of vegetation revetment engineering. Therefore, the study to select the willow works mechanical properties of the revetment project for the study of the spindle. In this study, the theoretical analysis with the situ testing, mechanical characteristics of willow works revetment. The situ testing address as willow works in Taichung Fazi river revetment, and hydraulic modeling reach in Taitung Beinan River cross-section 91~96. The study use River2D two-dimensional hydraulic modeling software simulation results, explore willow works revetment in 5, 10, 20, 50, 100, and 200 years of flood's frequency, and the vegetation revetment may cause destruction. Therefore, this study through the resistance of vegetation, water flow led to the destruction of the plants bend of mechanics, plant resistance to destruction of torque and other theory derivation compile a simple assessment of willow works revetment its roots uprooted the destruction mode. The research results can provide to follow-up-related engineering design and safety of assessment of the reference.

參考文獻


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[4] 林忠志,2009,「植生根系強度試驗及邊坡穩定分析系統之研發」,國立台北科技大學土木與防災研究所碩士論文。
[6] 楊紹洋、謝家倫,2008,「植生護岸梯形渠道水理特性之研究」,農業工程學報,第54 卷第2期。
[9] 呂珍謀、詹勳全、黃偉哲,2008,「河道植生群型態對水流之影響」,中華水土保持學報,Vol.39, No.1,pp.95~107。

被引用紀錄


郭濰榕(2015)。植生根系增加土壤抗剪強度之研究〔碩士論文,中原大學〕。華藝線上圖書館。https://doi.org/10.6840/CYCU.2015.00146
黃瓊慧(2000)。屏東平原農業土地利用的轉變:1950-1990年代 以蓮霧檳榔為例〔碩士論文,國立臺灣師範大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0021-2603200719104875

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