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題 名 | GFRP版樁擋土牆應用於集水區護岸之可行性研究=A Study of the GFRP Anchored Sheet Pile Applied to Reservoir Basin Revetment Protection |
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作 者 | 陳敬凱; 余忠政; 李有豐; 陳俊安; 陳鶴修; | 書刊名 | 中華防災學刊 |
卷 期 | 7:2 2015.08[民104.08] |
頁 次 | 頁203-213 |
分類號 | 441.15 |
關鍵詞 | 玻璃纖維強化高分子複合材料; 版樁; 護岸; Glass fiber reinforced plastics; Sheet pile; Revetment; |
語 文 | 中文(Chinese) |
中文摘要 | 地工結構多數採用鋼版樁作為擋土支撐,雖然鋼版樁強度高,但是長時間接觸到地下水、氧氣與土壤中酸鹼物質,有生鏽與結構安全性堪慮之虞。為提升地工結構之耐久性與安全性,保護護岸邊坡避免遭河水淘刷與土體滑移等破壞,本文提出具高強度、質輕、耐候性佳之玻璃纖維強化高分子複合材料(Glass Fiber Reinforced Plastics, GFRP)應用於版樁擋土牆。針對GFRP版樁實尺寸構件進行三點抗彎實驗,並改變其跨度觀察其勁度之變化,輔以有限元軟體ANSYS分析其受力行為,並將實驗結果回饋至分析模型中。此外,亦找一處現地進行GFRP版樁之現地實驗,輔以有限元素軟體(PLAXIS 2D)分析其安全性,以驗證GFRP版樁應用於集水區護岸之可行性。 |
英文摘要 | Most of the earth structures make use of steel sheet piles as earth retaining system, although steel sheet pile offer high strength it is subject to rust within a periods of time when in contact with ground water, oxygen and acidic substances in the soil, which might cause damage of the structures. To improve the durability and safety of the earth structure, to protect slope revetments, to avoid river scouring, landslides and other damages, this paper presents Glass Fiber Reinforced Polymers (GFRP) composite material which is characterized by high strength, lightweight, good resistance to weathering for application sheet pile retaining walls. A three-point bending test was conducted on a full scale GFRP sheet pile, its span was then modified to observe the changes in its stiffness, and an analysis of its behavior under loading conditions with the finite element software ANSYS was performed. Then, compare the analysis results to the experimental results. The installation of the GFRP sheet piles in-situ was performed. The analysis using finite element analysis software (PLAXIS 2D) for the safety factor were conducted to verify the feasibility of the GFRP sheet piles applied to reservoir basin revetment protection. |
本系統中英文摘要資訊取自各篇刊載內容。