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| 題 名 | 邊坡擋土牆加載安全評估及補強之探討--以彰化市南勢坑 上游邊坡為例=On Safety Evaluation and Reinforcement for Additional Loading of a Retaining Wall:A Case Study of the Upstream Slope of the Nanshikeng Creek in Zhang Hua |
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| 作 者 | 陳勝全; 王寶立; 林俐玲; | 書刊名 | 水土保持學報 |
| 卷 期 | 43:4 2011.12[民100.12] |
| 頁 次 | 頁351-370 |
| 分類號 | 441.1 |
| 關鍵詞 | 邊坡穩定; 安全性評估; 地錨; 基樁; 擋土牆; Slope stability; Safety evaluation; Anchor; Pile; Retaining wall; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 本研究以彰化市南勢坑上游三清宮下方邊坡擋土牆為研究對象,進行加載安全評估、分析 及討論,擋土牆係位於三清宮廟宇下方,欲在擋土牆上方增設一多功能混凝土平台,高度與三 清宮前廣場銜接。因既有擋土牆面已有多處裂縫,若直接增加載重可能對擋土牆及邊坡產生危 害,故先針對擋土牆面裂縫產生原因進行分析,再對擋土牆構造物結構安全及邊坡穩定情形進 行分析,結果屬安全無虞;再以直接加載多功能混凝土平台後分析結果,擋土牆構造物本身尚 屬安全,惟邊坡穩定分析則屬不安全。故需以合適方式進行補強措施後才能加載平台,本研究 以於擋土牆面打設地錨、施設全套管基樁及擋土牆基腳處增設懸臂式擋土牆三種補強方式進行 比較分析,考量其工程安全性、施工便利性及經濟性等,經評估選擇於基腳處增設懸臂式擋土 牆補強措施,經補強後再次對邊坡穩定分析結果則為安全,顯示所選擇補強方式可行。 |
| 英文摘要 | platform on the slope retaining wall at the downside of San Ching Temple, located in the upstream region of the Nanshikeng Creek in Zhang Hua, with a level even with the front square of the temple. Since there had been several crevices on the surface of the existing retaining wall, the slope and retaining wall might be jeopardized with the direct application of the multi-function concrete platform. Therefore, we first conducted analyses on the causes of the crevices, the structure safety of the retaining wall and the stability of the slope in order to assure the safety of the existing retaining wall. With positive results from these analyses, we further analyzed the safety of the retaining wall with direct addition of a multi-function concrete platform onto it. The results showed that although the structure of the retaining wall was safe enough, the slope stability was not totally assured, indicating that appropriate reinforcement was needed before addition of the multi-function concrete platform. This study made a comparative analysis to evaluate the feasibility of different reinforcement measures, such as ground anchors, all casing concrete piles, and cantilever retaining wall, based on such factors as engineering safety, construction easiness and economy. After evaluation, cantilever retaining wall was selected as the reinforcement measure. The slope stability analysis conducted after reinforcement showed positive results, indicating that the reinforcement measure selected was feasible. |
本系統中英文摘要資訊取自各篇刊載內容。