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頁籤選單縮合
題 名 | 地震下單樁與群樁動態行為差異的探討 |
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作 者 | 康裕明; 陳家磐; | 書刊名 | 逢甲學報 |
卷 期 | 28 1995.11[民84.11] |
頁 次 | 頁211-220 |
分類號 | 441.1 |
關鍵詞 | 地震; 單樁; 群樁; |
語 文 | 中文(Chinese) |
中文摘要 | 本文的主要目的是以三維之有限元素法來研究單樁或群樁與土壤的動力互制行為 ,其中並以能量吸收邊界來模擬樁基礎周圍無窮遠的土壤。結果顯示在接近地層表面時,近 樁或遠樁的存在會導致能量集中而造成土壤變位的增加,而在深層土層中,則會減少。由於 地震時大部份的能量皆集中於較低的頻率區,應避免單樁的情形以避免產生共振現象。 |
英文摘要 | The main purpose of the paper was to utilize a three-dimensional finite element method to study the dynamic interaction between soil and single pile or group piles, with the use of an energy absorbing boundary to simulate the infinite body of the surrounding soil. The results show that the existence of either the near-spaced piles or the far-spaced piles will cause energy concentration at the ground surface resulting in large surface displacements, while for a deeper depth the displacements are reduced. Due to low frequency components occuring in most of the seismic records, it is suggested that not to use single pile in order to avoid the resonant vibration. |
本系統中英文摘要資訊取自各篇刊載內容。