Dynamic analysis of pile foundations in time-domain using Lanczos vectors

被引：2
|
作者：
Rao, RV [1 ]
Rao, NSVK
机构：
[1] Natl Inst Rock Mech, Kolar Gold Fields 563117, India
[2] Indian Inst Technol, Dept Civil Engn, Kanpur 208016, Uttar Pradesh, India
来源：
COMPUTERS AND GEOTECHNICS | 1999年 / 24卷 / 04期
关键词：
D O I：
10.1016/S0266-352X(99)00007-5
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An analytical procedure to obtain the response of pile-group in time domain is described. The procedure makes use of large domain for discretization along with coordinate transformation using Lanczos vectors. The responses are obtained in lime domain using an adaptive direct integration method. The scheme has the ability of error estimation due to temporal discretization and coordinate transformation. The procedure has been applied to three dimensional pile-group foundations. The compliance functions of the foundations have been obtained for all modes of vibration. The computational scheme has also been used to analyze the response of a machine foundation transmitting non-harmonic but periodic forces. The present method has all the advantages of time domain scheme which is local in space and time with small computational effort. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：297 / 322
页数：26
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