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題名 | 臺北捷運北投機廠填土沉陷案例=A Case Study on Earthfill Settlement at Peitou Depot of Taipei Rapid Transit Systems |
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作者 | 闕河淵; 張修碩; 于中原; 方仲欣; Chuay, H. Y.; Chang, H. S.; Yu, C. Y.; Fang, J. S.; |
期刊 | 地工技術 |
出版日期 | 19971200 |
卷期 | 64 1997.12[民86.12] |
頁次 | 頁69-78 |
分類號 | 441.103 |
語文 | chi |
關鍵詞 | 填土; 沉陷; 不均勻沉陷; 主要壓密; 二次壓密; 垂直排水帶; Earthfill; Settlement; Differential settlement; Primary consolidation; Secondary consolidation; Vertical drains; |
中文摘要 | 北投機廠為台北都會區捷運系統最重要之車輛維修廠,廠區佔地40公頃。地表以 下有厚度 15 ∼ 50 公尺之低強度、 高壓縮性黏土層。 因工程需求而於其上填土 1.5 ∼ 5.2 公尺,並打設垂直排水帶,以加速沉陷。 1990 年 11 月完工後至今,廠區最大沉陷量 為 1.9 公尺,依不同分區,目前仍 1.0 ∼ 2.7mm/ 月之沉陷速率特續沉陷中。 |
英文摘要 | Peitou depot is the most important maintenance works of Taipei Rapid Transit Systems with an area of forty acres. A clay layer of low strength and high compressiblity with a thickness of 15∼50 meters is beneath the ground surface. To raise its ground level, an earthfill with a thickness of 1.5∼5.2 meters was placed over the clay layer. Vertical drains were installed in the same period of time. Ater completion of the earthfill in November 1990, the largest settlement within the area has reached 1.9 meters and continues to increase at acurrent rate of 1.0∼2.7mm/month. |
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