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Linear buckling analysis of a column-footing system resting on elastic soil
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1991
(EN)
EKT historical period
Title
Linear buckling analysis of a column-footing system resting on elastic soil (EN)
Creator
Younis, CJ (EN)
Panayotounakos, DE (EN)
Description
The elastic stability of an axially loaded column, fixed on a footing resting on elastic soil, has been studied. In the model considered, the soil has been replaced by a rotating spring of known stiffness, placed under the footing, and for the connection of the top of the column with the rest of the structure a rotational and a horizontal spring have been provided. The boundary conditions which follow the ordinary differential equation govering the lateral deflections of the column have been formulated, and the condition of the static instability has been derived. Based on this condition, a detailed parametric study of the buckling load was carried out, in which the stiffnesses of the springs and the height of the footing have been used as parameters. The results of this parametric study are presented in the form of families of curves. © 1991. (EN)
Type
journalArticle (EN)
Subject
Soils--Elasticity (EN)
Computer Science, Interdisciplinary Applications (EN)
Elastic Stability (EN)
Column-Footing Systems (EN)
Engineering, Civil (EN)
Foundations--Soil Structure Interaction (EN)
Columns (EN)
Springs (EN)
Mathematical Models (EN)
Axially Loaded Columns (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
Computers and Structures (EN)
Language
English
Issued
1991 (EN)
Identifier
http://hdl.handle.net/123456789/10476
3 (EN)
0045-7949 (EN)
ISI:A1991GA84300010 (EN)
10.1016/0045-7949(91)90231-A (EN)
627 (EN)
40 (EN)
619 (EN)
Publisher
PERGAMON-ELSEVIER SCIENCE LTD (EN)
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