Experimental-Numerical Assessment of Mechanical Behavior of Laboratory-Made Steel and NiTi Shape Memory Alloy Wire Ropes

Author:

Narjabadifam Peyman123ORCID,Fazlalipour Neda13ORCID,Mollaei Somayeh123ORCID,Momeni Mohammad45ORCID,Watandoust Ali Saman1,Chavoshi Mahdi12ORCID,Babaeian Amini Alireza123,Karazmay Farshad12

Affiliation:

1. Department of Civil Engineering, Faculty of Engineering, University of Bonab, Bonab 5551395133, Iran

2. Laboratory of Structural Earthquake Engineering (SEE-Lab), University of Bonab, Bonab 5551761167, Iran

3. Center for Research on Seismic Resilience (CRSR), University of Bonab, Bonab 5551395133, Iran

4. Department of Civil Engineering, Shahrekord Branch, Islamic Azad University, Shahrekord 8813733395, Iran

5. Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy

Abstract

The mechanical behaviors of laboratory-fabricated steel and superelastic shape memory alloy (SMA) wire ropes are assessed in this study through a comprehensive approach encompassing both experimental investigations and finite element (FE) numerical simulations. The assessment of steel wire ropes involves experimental scrutiny under sinusoidal cyclic loading and natural earthquake loading conditions. In parallel, SMA wire ropes’ behaviors are analyzed utilizing FE simulations employing the widely acknowledged ABAQUS software version 2020. The validation of all numerical simulations is undertaken against the experimentally observed behaviors. Moreover, full-scale steel wire ropes are subjected to shaking table tests to validate the simulations, facilitating a comparative analysis between the mechanical responses of SMA and steel wire ropes. The findings demonstrate that SMA wire ropes exhibit superelastic behavior akin to SMA wires, with marginal variations in overall response observed across distinct configurations, akin to steel wire ropes. Furthermore, augmenting the helix angle of SMA wire ropes results in reduced stress and increased strain when exposed to the El Centro earthquake scenario. Nevertheless, the mechanical response of SMA wire ropes closely mirrors that of a single wire.

Publisher

MDPI AG

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