Experimental Study of a Novel Self-Centering Beam-Column Connection Equipped with Shape Memory Alloy Plates

Michael C.H. Yam, Xuhong Zhou, Yun Huang, Ke Ke

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

Full-scale cyclic tests were conducted to examine the seismic performance of a novel beam-column connection equipped with superelastic shape memory alloy (SMA) plates and SMA Belleville spring washers. The proposed connection employed a set of dog-bone SMA plates connecting the beam flanges to provide the self-centering capability and energy dissipation capacity of the connection. The SMA Belleville spring washers were used to minimize the axial deformation of the high strength bolts used in the connection and to provide additional energy dissipation and self-centering abilities. Tension coupon tests of the SMA plates with varied dimensions were conducted to examine the fundamental mechanical properties of the SMA plates. The cyclic behavior of the SMA Belleville spring washers was also examined experimentally. Test results showed that the connection exhibited flag-shaped hysteretic responses with negligible residual deformation in a wide drift spectrum, and the skeleton curve with multi-stage characteristics was observed. The applied load-drift responses of the connection indicated that the SMA plates have developed significant inelastic deformations, which were able to offer self-centering capacity and energy dissipation concurrently.

Original languageEnglish
Title of host publicationStructures Congress 2022 - Selected Papers from the Structures Congress 2022
EditorsJames Gregory Soules
PublisherAmerican Society of Civil Engineers (ASCE)
Pages215-224
Number of pages10
ISBN (Electronic)9780784484180
DOIs
Publication statusPublished - 2022
EventStructures Congress 2022 - Atlanta, United States
Duration: 20 Apr 202223 Apr 2022

Publication series

NameStructures Congress 2022 - Selected Papers from the Structures Congress 2022

Conference

ConferenceStructures Congress 2022
Country/TerritoryUnited States
CityAtlanta
Period20/04/2223/04/22

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction

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