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題 名 | 沉箱基礎設計規範之評析與側向阻抗之簡化分析模式=Review for Design Specifications of Caisson Foundations and the Simplified Model for Lateral Response Analysis |
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作 者 | 陳正興; 柯永彥; 邱俊翔; | 書刊名 | 地工技術 |
卷 期 | 143 2015.03[民104.03] |
頁 次 | 頁7-20 |
分類號 | 442.2 |
關鍵詞 | 沉箱基礎; 設計規範; 側向阻抗; 簡化分析模式; Caisson foundation; Design specifications; Lateral response; Simplified model; |
語 文 | 中文(Chinese) |
中文摘要 | 本文回顧日本之沉箱設計規範,檢討評析常用分析模式之合理性,繼則探討沉箱之側向阻抗問題,以理論模式分析沉箱周邊土壤對沉箱彎矩阻抗之貢獻,顯示可將沉箱之分析模式近似簡化為僅考慮沉箱周邊土壤之水平反力,此簡化模型之力學分析變得相當簡單,可直接推導得在彈性土壤與完全彈塑性土壤中沉箱側向反應之解析解,方便於工程初步分析時計算使用。 |
英文摘要 | The commonly used design specifications of caisson foundation were reviewed in this paper. The model that simulates lateral resistance of a caisson foundation contributed from various soil springs connected to the caisson was investigated analytically and numerically. Results showed that the resistance comes majorly from the horizontal subgrade reactions in front/back of the caisson. Based on that, modeling for the lateral response of a caisson can be approximately simplified to only considering the horizontal soil reactions sarrounding the caisson, which makes the mechanis analysis much easier. This simplified model can then be utilized to directly implement the analytical solutions of the lateral response of a rigid caisson embedded in the elastic soils and in the perfectly elasto-plastic soils, which are useful for preliminary analysis in engineering parctice. |
本系統中英文摘要資訊取自各篇刊載內容。