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題 名 | 震後建物扶正補強規劃與施工案例介紹=Case Study of Restoration of a Tilted Building Via Grouting |
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作 者 | 郭晉榮; 施紹琪; 林永光; 呂芳熾; 黃志祥; | 書刊名 | 地工技術 |
卷 期 | 114 2007.12[民96.12] |
頁 次 | 頁5-16 |
分類號 | 441.3 |
關鍵詞 | 扶正; 差異沈陷; 馬歇管; 低壓脈狀灌漿; 基礎; 微型樁; 高壓噴射樁; Restoration of building; Differential settlement; Tube-a-manchette pipe; Low-pressure grouting; Foundation; Micro pile; Jet grouting; |
語 文 | 中文(Chinese) |
中文摘要 | 本案例位於台灣中部員林鎮崙雅巷,為地上三層、無地下室之鋼筋混凝土建築物,建物完工後,於1999年受921集集大地震影響傾斜。該建物扶正施工前,一樓版最大差異沈陷量約17.3cm,建物傾斜量約介於1/110至1/150之間,經採馬歇管方式之低壓脈狀灌漿進行基礎扶正補強後,一樓版最大差異沈陷量約2.5cm,建物橫向最大差異沈陷1.4cm,約1/640;縱向最大差異沈陷1.5cm,約1/900。本文介紹本案例之扶正補強時微型樁、高壓噴射樁等隔幕措施及扶正灌漿孔之規劃及實際施作時之扶正施工管理、扶正時基礎之頂升歷時曲線及量測得之附近地層側向變位資料,以供後續相關工程之參考。 |
英文摘要 | This case, a three stories reinforced concrete building located at Yuan-Lin Township in the middle of Taiwan, tilted as a result of the Chi-Chi Earthquake on September 21, 1999. Differential settlement of the ground floor slab was 17.3cm and building tilting between 1/110 to 1/150. After using low-pressure cement-water grass mixture grout to restore the tilted building, the maximum differential settlement of the ground floor was reduced to 2.5cm, while the maximum differential settlement of structural frame was reduced to 1.4cm and 1.5cm in the transverse and longitudinal directions, respectively. This paper describes the restoration plan, including layout of micro piles and jet grout piles serving as curtain wall, and layout of grouting locations. The restoration construction activities, including quality control and survey datum during grouting to restore the tilted building, are also addressed. We hope the experiences gained in this project will provided useful guides for readers. |
本系統中英文摘要資訊取自各篇刊載內容。