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題 名 | 地盤改良對新生地儲槽沈陷之影響=The Influence of Ground Treatment to Tank Foundation Settlement on Reclaimed Land |
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作 者 | 王傳奇; 鄭智元; 劉福生; 吳青昆; | 書刊名 | 地工技術 |
卷 期 | 66 1998.04[民87.04] |
頁 次 | 頁47-54 |
分類號 | 441.103 |
關鍵詞 | 動力夯實; 礫石樁; 覆土預壓; 儲槽基礎; 沈陷; Dynamic compaction; Stone column; Preloading; Tank foundation; Settlement; |
語 文 | 中文(Chinese) |
中文摘要 | 海埔新生地上構築大型儲槽須面對土壤液化、基礎承載力不足及沈陷量或差異沈陷 過大的課題,一般咸認地盤改良是經濟而有效的解決方案。本文擬以動力夯實、礫石樁及覆 土預壓三種土壤改良工法於海埔新生地儲槽基礎之應用成果,探討該三種改良工法對土壤壓 縮性及基礎沈陷之影響。由現地圓錐貫入試驗及沈陷監測結果顯示,三種工法對於降低新生 地土壤壓縮性均有相當成效。其中礫石樁可降低疏鬆砂土層之壓縮性約50至70%,而對於大 型儲槽載重造成基礎之沈陷,以覆土預壓之改善效果最為顯著,可降低約80%之營運沈陷。 |
英文摘要 | The construction of large storage tanks on reclaimed land faced problems including soil liquefaction, insufficient bearing capacity and excessive total settlement or differential settlement. It is generally considered that ground treatment is an economical and effective solution. In this paper, the improvement results using dynamic compaction, stone column and preloading are presented and compared in two respects, soil compressibility and foundation settlement. The field cone penetration test and settlement monitoring results indicated that all of the three kinds of improvement techniques worked effectively to reduce the soil compressibility of reclaimed land. For loose sandy soil, the installation of stone column could reduce soil compressibility for about 50 to 70 %. For the foundation settlement of large tank, the improvement effect of preloading was the most significant, a reduction of 80 % of operation settlement. |
本系統中英文摘要資訊取自各篇刊載內容。