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題 名 | 地下室上浮個案處理=Basement Uplift during Construction |
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作 者 | 謝旭昇; 林永光; | 書刊名 | 地工技術 |
卷 期 | 66 1998.04[民87.04] |
頁 次 | 頁55-64 |
分類號 | 441.1 |
關鍵詞 | 地下室開挖; 地下室上浮; 抽水; 加載; Basement excavation; Basement uplift; Dewatering; Reloading; |
語 文 | 中文(Chinese) |
中文摘要 | 地下主結構體上浮現象常見於地下一層或兩層之較淺開挖,其發生原因主要是地下 水位短期間失去控制,其發生時機常在鋼版樁或鋼軌樁拔除並停止抽水後,暴雨後亦是發生 上浮之另一時機。地下室結構體之上浮量一般介於30~100 cm之間,須設法將上浮之結構體適 度壓回原高程以利後續上部結構體之施工。壓回結構體之可行方式包括加載、打設解壓孔、 抽水、洗砂等,須視現場土質、地下水及上浮狀況搭配使用以竟全功。 |
英文摘要 | Basement uplift is a phenomenon not uncommonly encountered for one-story or two-story basement excavation projects. Ground water temporarily Out of control is the main culprit for such incidents, and it usually happens following the completion of basement structure, upon which the retaining sheet/soldier piles are withdrawn and dewatering operation ceased. Heavy rainfall in a short period may also lead to basement uplift under certain circumstances. The amount of uplift ranges between 30~100 cm, and the situation has to be more or less remedied before the construction can be resumed. A number of remedial schemes, including reloading, installing relief holes, pumping and wash boring, are currently available. These schemes can be used independently or in combination, pending on in-situ soil, ground water and uplift conditions. |
本系統中英文摘要資訊取自各篇刊載內容。