頁籤選單縮合
題 名 | 以非線性地盤反應模式分析羅東模型試驗基址之地震反應=Non-Linear Seismic Ground Response Analysis for Lotung Lsst Site during 1986 Earthquakes |
---|---|
作 者 | 黃俊鴻; 陳正興; 楊樹華; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 11:1 1999.03[民88.03] |
頁 次 | 頁1-12 |
分類號 | 441.103 |
關鍵詞 | 超額孔隙水壓; 地震反應; 非線性分析; 組成模式; Excess pore pressure; Seismic response; Non-linear analysis; Constitutive model; |
語 文 | 中文(Chinese) |
中文摘要 | 本文所提出之地盤反應分析程式係一在時間域直接積分之非線性有限元素法程式 ,本程式係結合以雙曲線正割函數為骨架曲線之梅新經驗組成模式和三階段孔隙水壓激發模 式,再配合 Biot 之線彈性孔隙連體力學理論所發展而成,可分別模擬土水兩相在剪切與統 體行為的耦合作用,適用於分析水平地盤受垂直入射地震波作用之動力反應。本程式可分別 從事總應力與有效應力之分析,當應用於分析羅東核能廠模型基址之地震反應時,由分析結 果與實測記錄之比較,顯示本分析法對於地盤振動之模擬效果良好,可實際模擬現地孔隙水 壓上升的趨勢,是一功能廣泛值得推廣應用的分析方法。 |
英文摘要 | An analytical model for nonlinear ground response analysis is proposed herein. In is a finite element model formulated in incremental form for time integration analysis. To model the coupling behavior of shear and bulk deformations of saturated soils, the analytical model is formulated based on: (1) the Masing rule following a backbone curve of a hyperbolic secant function, (2) the three-stage pore water pressure build-up model, and (3) the Biot theory for linear-elastic porous media. The model developed can be used either for total-stress analysis or for effective-stress analysis. When it was used to simulate the seismic ground responses at Lotung Large Scale Seismic Test site, the predicted ground motions and the induced excess pore water pressures fitted quite well to the measured results. |
本系統中英文摘要資訊取自各篇刊載內容。