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題 名 | 層狀土壤系統之地盤反力係數=The Subgrade Reaction Coefficients of Layered Soil Systems |
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作 者 | 陳希舜; 徐偉朝; 呂信杰; | 書刊名 | 力學 |
卷 期 | 16:1 2000.06[民89.06] |
頁 次 | 頁69-80 |
分類號 | 441.12 |
關鍵詞 | 建築物; 土壤結構互制; 地盤反力係數; Building; Soil structure interaction; Subgrade reaction coefficient; |
語 文 | 中文(Chinese) |
中文摘要 | 一般在進行建築結構分析時,常於基礎底部施加彈簧以模擬土壤與建築結構間之 互制關係,其中彈簧係數可由地盤反力係數推求之,然通常地盤反力係數之預估方法多僅適 用於半無限空間土壤。本研究擬利用單層土壤之荷重與沈陷關係,建立地盤反力係數之評估 理論,再將此理論延伸至多層土壤,並應用於臺北盆地之建築結構系統,以期研究結果對臺 北地區地盤反力係數之選取有所裨益。研究結果顯示,土壤之楊氏係數與建築結構荷重為影 響地盤反力係數之主要參數。另外,當土壤較軟弱時,地盤反力係數較不受土層深度之影響 。但是,當土層較堅硬時,地盤反力係數與土層深度約呈反比。本研究並依工程地質分區與 建築結構荷重研擬臺北盆地之地盤反力係數,以供臺北地區建築結構基礎設計之參考。 |
英文摘要 | In the analysis of structure system, the soil is usually simulated by the springs placed under the foundation. The coefficient of spring can usually be derived from subgrade reaction coefficient. According to previous studies, the assessment of subgrade reaction coefficients is mainly suitable to single-layer soil only. This study will establish a theory of assessment of the subgrade reaction coefficient by using the relation between loading and settlement for single-layer soil. Then this theory will be extended to the multi-layer soil and be applied in Taipei basin. We expect the conclusion will be helpful to the assessment of subgrade reaction coefficient in Taipei basin. The results show that the Young's modulus of soils and the loading of structures are the major parameters, When the soil is soft, the depth of the soil will not affect the subgrade reaction coefficent. But the subgrade reaction coefficient will devrease with depth when the soil is stiff. |
本系統中英文摘要資訊取自各篇刊載內容。