SMA in Mitigation of Extreme Loads in Civil Engineering: Damping Actions in Stayed Cables-Reference-Cited by-同舟云学术

SMA in Mitigation of Extreme Loads in Civil Engineering: Damping Actions in Stayed Cables

Published:2011-07 Issue: Volume:82 Page:539-544
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Torra Vicenç¹,Isalgue Antonio²,Auguet Carlota³,Carreras Guillem¹,Lovey Francisco C.⁴,Terriault Patrick⁵,Dieng Lamine⁶

Affiliation:

1. Polytechnic University of Catalonia (UPC)

2. Polytechnical University of Catalonia

3. Uuniversitat Politècnica de Catalunya

4. Centro Atomico Bariloche (CAB-IB) Bariloche

5. École de Technologie Supérieure

6. IFSTTAR

Abstract

Reliable use of Shape Memory Alloys (SMA) in mitigation of extreme load effects requires a deep study of the SMA behavior according to the necessities of the application. Damping the oscillations induced by one storm of three or four days with a strong wind and/or rain usually requires more than one million of working cycles. A SMA damper is checked in to two realistic cables of ELSA and of IFSTTAR. The measurements establish that the SMA damping device reduces drastically the oscillation amplitude. Technical suggestions for the preparation of the dampers built by several SMA wires of NiTi with 2.46 mm of diameter are included. The choice of appropriate length and the choice of the number of required SMA wires are suggested. Moreover, a suitable simulation by proprietary SMA routine inside ANSYS is included.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.82.539.pdf

Reference5 articles.

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2. Information on http: /en. structurae. de/structures/data/index. cfm?ID=s0000375.

3. Information on http: /en. structurae. de/structures/data/index. cfm?ID=s0000046.

4. V. Torra, A. Isalgue, G. Carreras, F.C. Lovey, H. Soul, P. Terriault and B. Zapico, The SMA properties in civil engineering applications. The SMARTeR project: Use of SMA in damping of stayed cables for bridges,: ESOMAT paper 07016 (2009).

5. V. Torra, F.C. Lovey and P. Terriault, Experimental study of damping in civil engineering structures using smart materials (CuAlBe-NiTi SMA). Applications to a steel portico and to stayed cables for bridges (the SMARTeR project),: Proceedings of the Smart Structural Systems Technologies (S(3)T2010), Porto, Portugal, 6-9 April 2010, pp.369-399.

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