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題 名 | 評估地盤液化潛能之新簡易模式=A New Evaluation Methood for Seismic Liquefaction Potential |
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作 者 | 紀雲曜; 陳怡睿; 上官百龍; | 書刊名 | 長榮學報 |
卷 期 | 4:2 2001.01[民90.01] |
頁 次 | 頁79-94 |
分類號 | 441.12 |
關鍵詞 | 液化潛能; 最佳化搜尋法; Liquefaction potential; Optimum seeking method; |
語 文 | 中文(Chinese) |
中文摘要 | 本文經由214組現地1.地震規模(M)2.最大地表加速度(a)3.土層深度(D)4.地下水位深度(Dw)…土層CPT-qc值資料,利用最佳化搜尋方法(optimum seeking method),發展一液化潛能簡易評估模式︰液化潛能指數ILP=60P(M)+ 33P(a)+ 20 P(D)+ 44 P(Dw)+ 85 P(qc),液化門檻值ILPL=171,當ILP>ILPL時土層液化,反之則不液化,並另以43組現地資料進行模式驗證。本評估模式所需參數容易獲得,且判斷成功率達86%,可見評估模式不僅相當簡單,評估過程無須任何映對轉換關係之計算,可將誤差減至最低,且具相當不錯的評估能力,可供土地規劃利用時之參考。 |
英文摘要 | By using optimum seeking method, this paper develops a new evaluation method to assess the seismic liquefaction potential from field data. There are 214 data points are used in this study. The available quantified factors are earthquake magnitude, M; peak acceleration at ground surface, a; depth of sand deposit, D; depth of water table, Dw; CPT tip resistance, qc. The function of liquefaction potential (ILP) is found to be . The criterion of liquefaction potential, ILPL, is equal to 171. When IPL > ILPL, soil liquefaction could occur. The field records used in the verification of the optimized results include 43 sites. The prediction results give 86% success rate. The proposed method is simple and effective and results of evaluation are important references for land planning. |
本系統中英文摘要資訊取自各篇刊載內容。