Behavior of Concrete Driven by Uniaxially Embedded Shape Memory Alloy Actuators
Publication: Journal of Engineering Mechanics
Volume 129, Issue 6
Abstract
The behavior of a concrete specimen uniaxially embedded with a shape memory alloy (SMA) wire actuated by electrical current is studied in this paper. The main factors influencing the axial strain of the concrete specimen were examined through a sophisticated experimental program. The experimental results indicate that the SMA actuator can be employed as a way of prestressing for axial concrete specimens and can be used for controlling axial strain of concrete specimens. Also the influences of initial prestrain of SMA wires, modes activating electrical current, the actuation times, etc., on the axial strain behavior of concrete specimen are significant.
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Information
Published In
Journal of Engineering Mechanics
Volume 129 • Issue 6 • June 2003
Pages: 697 - 703
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Nov 6, 2001
Accepted: Sep 5, 2002
Published online: May 15, 2003
Published in print: Jun 2003
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