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題名 | 宜蘭縣地工合成材料加勁擋土結構模型及案例綜述=An Overview of the Geosynthetic Reinforced Soil Retaining Structures Built in Ilan County |
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作者姓名(中文) | 趙紹錚; 周銘瑋; 陳力維; 王宏相; | 書刊名 | 宜蘭大學工程學刊 |
卷期 | 6 2010.03[民99.03] |
頁次 | 頁8-24 |
分類號 | 441.15 |
關鍵詞 | 宜蘭; 地工合成材; 地工格網; 加勁擋土結構; 有限元素法; Ilan; Geosynthetic; Geogrid; Reinforced soil retaining structure; FEM; |
語文 | 中文(Chinese) |
中文摘要 | 加勁擋土結構於1980年代後期引進台灣,由於加勁擋土結構有許多優點,使得各式加勁擋土結構系統隨即蓬勃發展。宜蘭縣境內許多大規模開發案於1996年起,陸續採用地工合成材加勁擋土工法來增加山坡的穩定度。然國內因質佳的填築土料來源較為缺乏,且基於水土保持法規挖填平衡原則,故一般山坡地工程多以現地土壤作為填築土料,可想而知加勁擋土結構之穩定性必將受到影響。過去已有許多學者於加勁擋土結構內埋設應變計,期能獲得加勁格網所受的張力強度,但卻都無法獲得合理之量測結果;同時,國內對加勁格網埋設於加勁擋土結構內受張強度之研究,資料也非常缺乏。因此,本研究以宜蘭大學構築之模型牆(宜大加勁擋土牆)及宜蘭縣境內大規模加勁擋土結構(喜來登宜蘭渡假酒店、淡江大學蘭陽校區、櫻花陵園、及佛光大學),利用PLAXIS有限元素程式,預測分析加勁擋土結構之穩定性,以及加勁擋土結構內部加勁格網之受張應力,以提供為國內工程界於設計時之參考依據。 |
英文摘要 | Reinforced soil retaining structures were introduced into Taiwan around late 1980s. Because of having possession of numerous advantages, all kinds of reinforced soil retaining systems were booming lately. Furthermore, many large-scale developing projects utilize geosysthetic reinforced soil retaining structures to improve the stability of slopes in Han County from 1996. On the other hand, because the good-quality backfilled materials are scarce and the principle of balancing cutting and filling is required to follow by the conservation legislation, the in-situ soils are used as the backfilled materials in civil engineering projects commonly. One can straightforwardly imagine the stability of the geosynthetic reinforced soil retaining structure must be affected without doubt. There have been many researchers tried to install strain gauges to measure the responses of the reinforcements under loading but were unable to obtain the reasonable results. Therefore, this study employs the PLAXIS finite element program, focusing on those large-scale constructions built with geosynthetic reinforced soil retaining structures (GRSRS) in Han University and in Han County, to analyze the stability of the structures and the axial forces of the reinforcements. The predicted results from this study can be used as a reference for engineering designing. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。