A review of base isolation systems with adaptive characteristics

H Sheikh, NC Van Engelen, R Ruparathna - Structures, 2022 - Elsevier
Base isolation systems are widely used as an effective and practical solution to protect the
structure and non-structural elements from seismic hazards. However, the excessive …

Shape memory alloy (SMA)-cable-controlled sliding bearings: development, testing, and system behavior

D Liang, Y Zheng, C Fang, MCH Yam… - Smart Materials and …, 2020 - iopscience.iop.org
This paper presents an innovative type of friction sliding bearing system incorporating shape
memory alloy (SMA) cables. The study commences with cyclic tests on individual SMA …

Verification of multi-level SMA/lead rubber bearing isolation system for seismic protection of bridges

J Deng, F Hu, OE Ozbulut, S Cao - Soil Dynamics and Earthquake …, 2022 - Elsevier
While the multi-level SMA/lead rubber bearing isolation system (ML-SLRB) has been
proposed and numerically studied, its application remains a challenge in the absence of …

Cyclic behavior of an adaptive seismic isolation system combining a double friction pendulum bearing and shape memory alloy cables

Z Peng, W Wei, L Yibo, H Miao - Smart Materials and Structures, 2021 - iopscience.iop.org
A new composite isolator named shape memory alloy cable-double friction pendulum
bearing (SCDFPB), which combines a double friction pendulum bearing (DFPB) with …

Numerical analysis of natural rubber bearing equipped with steel and shape memory alloys dampers

J Sheikhi, M Fathi, R Rahnavard, R Napolitano - Structures, 2021 - Elsevier
In this paper, the behavior of a natural rubber bearing system (NRBs) equipped with U-
shaped dampers is investigated. The U-shaped dampers consist of shaped memory alloy …

Seismic performance assessment of a multispan continuous isolated highway bridge with superelastic shape memory alloy reinforced piers and restraining devices

S Li, J Wang, MS Alam - Earthquake Engineering & Structural …, 2021 - Wiley Online Library
The objective of this study is to analytically determine the effectiveness of a novel bridge
system with superelastic (SE) shape memory alloy (SMA) reinforced concrete piers. The …

Review of annual progress of bridge engineering in 2019

R Zhao, Y Yuan, X Wei, R Shen, K Zheng… - Advances in Bridge …, 2020 - Springer
Bridge construction is one of the cores of traffic infrastructure construction. To better develop
relevant bridge science, this paper introduces the main research progress in China and …

Long-stroke shape memory alloy restrainers for seismic protection of bridges

S Cao, OE Ozbulut - Smart Materials and Structures, 2020 - iopscience.iop.org
To prevent unseating failures and pounding problems in simply supported bridges, steel
restrainers that can limit relative displacements of adjacent spans have commonly been …

Effect of thermal oxidative ageing on the molecular structure and tribological properties of polytetrafluoroethylene

F Qu, L Liu, G Tao, W Zhan, S Zhan, Y Li, C Li, X Lv… - Tribology …, 2023 - Elsevier
Polytetrafluoroethylene (PTFE), which has an extremely low coefficient of friction and good
thermal and chemical stability, is widely used as a self-lubricating material. In this study, the …

An SMA cable-based negative stiffness seismic isolator: Development, experimental characterization, and numerical modeling

S Cao, OE Ozbulut, F Shi… - Journal of Intelligent …, 2022 - journals.sagepub.com
Shape memory alloy (SMA)-based seismic isolation systems can successfully reduce the
peak and residual displacements of bridges during strong earthquake, but they commonly …