Behavior and application of self-centering dampers equipped with buckling-restrained SMA bars

C Qiu, C Fang, D Liang, X Du… - Smart Materials and …, 2020 - iopscience.iop.org
This study proposes a new type of self-centering damper equipped with novel buckling-
restrained superelastic shape memory alloy (SMA) bars. The new solution aims to address …

Innovative use of a shape memory alloy ring spring system for self-centering connections

W Wang, C Fang, X Yang, Y Chen, J Ricles… - Engineering Structures, 2017 - Elsevier
This paper presents superelastic shape memory alloy (SMA) ring spring systems for seismic
applications. The study commences with an experimental investigation looking into the …

Large size superelastic SMA bars: Heat treatment strategy, mechanical property and seismic application

W Wang, C Fang, J Liu - Smart Materials and Structures, 2016 - iopscience.iop.org
This paper reports a comprehensive study on the mechanical performance of large size
superelastic shape memory alloy (SMA) bars, with the main focus given to their potential …

Performance-based seismic design of full and partial self-centering steel braced frames using modified lateral force distribution

R Zhang, W Wang, MS Alam - Journal of Constructional Steel Research, 2022 - Elsevier
Abstract Design base shear and lateral force distribution are two important aspects of the
seismic design process. Different design methods have been proposed to obtain the design …

Development of a novel deformation-amplified shape memory alloy-friction damper for mitigating seismic responses of RC frame buildings

Z Zhang, K Bi, H Hao, P Sheng, L Feng, D **ao - Engineering Structures, 2020 - Elsevier
Super-elastic shape memory alloys (SMAs) are widely used to mitigate seismic responses of
engineering structures because of their self-centring and energy dissipation characteristics …

Feasibility study of shape memory alloy ring spring systems for self-centring seismic resisting devices

C Fang, MCH Yam, ACC Lam… - Smart Materials and …, 2015 - iopscience.iop.org
Shape memory alloys (SMAs) have recently emerged as promising material candidates for
structural seismic resisting purposes. Most of the existing SMA-based strategies, however …

Approximate seismic performance of full and partial self-centering systems based on spectral analysis of SDOF systems

R Zhang, C Qiu, L Huang, J Jia - Structures, 2022 - Elsevier
This paper presents a performance evaluation of full and 'partial'self-centering (SC) systems
based on spectral analysis of Single Degree of Freedom (SDOF) systems. The primary …

Superelastic SMA Belleville washers for seismic resisting applications: Experimental study and modelling strategy

C Fang, X Zhou, AI Osofero, Z Shu… - Smart Materials and …, 2016 - iopscience.iop.org
This study sheds considerable light on the potential of superelastic shape memory alloy
Belleville washers for innovative seismic resisting applications. A series of experimental …

Experimental investigation on the seismic behavior of a novel self-centering friction damper

Y Li, H Zhang, J Wang, H Yu, K Ma, X Zhang… - Journal of Building …, 2023 - Elsevier
A new type of self-centering friction damper using Shape Memory Alloy (SMA) bars is
developed. The proposed damper is composed of a friction energy dissipation system and a …

Robust design optimization for SMA based nonlinear energy sink with negative stiffness and friction

S Das, S Chakraborty, Y Chen… - Soil Dynamics and …, 2021 - Elsevier
We introduced shape memory alloy (SMA) assisted nonlinear energy sink (NES) with
negative stiffness for seismic vibration mitigation. The ability of dissipating energy through a …