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頁籤選單縮合
題名 | Secondary Compression Behavior of the Silty Clay of the Taipei Basin=臺北盆地粉土質黏土之二次壓縮行為 |
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作 者 | 林美聆; 賴彥旭; | 書刊名 | 中國地質學會會刊 |
卷期 | 39:4 1996.10[民85.10] |
頁次 | 頁523-533 |
分類號 | 441.12 |
關鍵詞 | 二次壓縮; 粉土質黏土; 臺北盆地; Secondary compression; Silty clay; Taipei basin; |
語文 | 英文(English) |
中文摘要 | 土壤之二次壓縮行為常對於地層下陷具有相當量之貢獻,然一般在分析時常未加 以考慮。本研究之目的即針對臺北盆地粉土質黏土之二次壓縮行為加以探討。本研究中對於 臺北盆地粉土質黏土進行單向度壓密試驗,並觀測其二次壓縮行為。試驗所得臺北盆地粉土 質黏土之二次壓縮指數對壓縮指數之比值約為定數,其值為 0.0274。 在分析模式方面,採用 Mesri's 及質流模式兩種方式。 將由試驗整理所得之模式參數應用 於模擬現地狀態之分析時,發現以質流模式分析所得之地層下陷量較符合現地之變化趨勢, 然而其孔隙水壓之消散速率仍稍嫌過快。 |
英文摘要 | The secondary compression of the soil could have a significant effect on the ground settlement and is often not accounted for. It is the objective of this research to study the secondary compression behavior of the silty clay of the Taipei Basin. The traditional one-dimensional consolidation tests were performed, and the secondary compression behavior was observed. The ratio of the secondary compression index to the compression index is approximately 0.0274 for the silty clay of the Taipei Basin. The model proposed by Mesri and the rheological model by Gibson and Lo were used for interpretation of the secondary compression testing results and were then applied in the analyses of a field case. It is found that the amount of settlement predicted using the Gibson and Lo model appears to be more consistent with the field condition. However, the rate of pore pressure dissipation is faster than the observed field condition. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。