群樁垂直反應之波動方程分析

機構典藏 > College of Engineering > Graduate Institute & Department of Civil Engineering > Proceeding > Item 987654321/36239

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Title:	群樁垂直反應之波動方程分析
Other Titles:	Wave Equation Analysis of Vertically Loaded Pile Group
Authors:	張德文;溫展華;王世權;林伯勳
Contributors:	淡江大學土木工程學系
Keywords:	群樁;波動方程式;有限元素法;集中質量法;轉換阻尼;Group Pile;Wave Equation;Finite Element Method;Lumped Mass;Transformed Damping
Date:	2001-08
Issue Date:	2010-01-11 10:28:55 (UTC+8)
Abstract:	本研究係以波動方程式分析含筏基群樁基礎受軸向動態載重之行為，將動力互制影響納入群樁基礎之單樁分析模式，並考慮樁帽影響。單樁周遭土層以t-z、 Q-z曲線模式模擬其土壤彈簧，並以Novak動力阻抗函數為本，建立其時域阻尼，使用有限差分法進行。研究另以簡化之等值墩基模式、集中質塊分析以及有限元素法分析比較，並探討主要設計參數。 This study establishes the time-domain wave equation analysis on vertically loaded raft-pile. The pile interactions are considered for the soils along the pile restraint with an effective cap. The dynamic interaction factor was considered with the Novak impedance functions to derived the pile-to-pile interaction effects. The t-z and Q-z springs as well as the time-dependent soil damper are incorporated into the finite different formulations. Comparative studies were made for the proposed solution with those from the simplified analysis using the equivalent pier model, and the FEM analysis, mayor design factors were discussed.
Relation:	第九屆大地工程學術研討會論文集=Proceedings of 9th Conference on Current Researches in Geotechnical Engineering，頁A040-1~7
Appears in Collections:	[Graduate Institute & Department of Civil Engineering] Proceeding

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