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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 2/3
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON CIVIL AND STRUCTURAL ENGINEERING COMPUTING
Edited by: B.H.V. Topping
Paper XXVII.5

Automated Testing of Thin-Walled Steel Structures under Repetitive Loading by Microcomputer System

Y. Niwa*, E. Watanabe* and H. Isami+

*Department of Civil Engineering, Kyoto University
+Department of Civil Engineering, Kohchi Technical College, Japan

Full Bibliographic Reference for this paper
Y. Niwa, E. Watanabe, H. Isami, "Automated Testing of Thin-Walled Steel Structures under Repetitive Loading by Microcomputer System", in B.H.V. Topping, (Editor), "Proceedings of the Second International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 337-343, 1985. doi:10.4203/ccp.2.27.5
Abstract
In many branches of structural engineering, non-linear mechanics in particular, experimental investigations are considered to be as important as the analytical investigations. This paper presents a servo-controlled testing system using a single or plural microcomputer or microcomputers as its core, and a technique is reported on the precise detection of the load-carrying capacity and the deteriorating properties of thinwalled steel structures under repetitive loading causing large elasto-plastic deformations. Several series of buckling tests have been conducted so far on the following test specimens: steel stub columns with cross sections of cruciforms, channels, boxes; axially compressed cylindrical shells and the steel box beam-columns under bi-axial loading simulating earthquake excitations.

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