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Steel beam-to-column connections using martensite shape memory alloys

  • Zhenyu Wu*
  • , Xiaohui He
  • , Yaochun Zhang
  • *Corresponding author for this work
  • School of Civil Engineering, Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The hysteretic performances of steel beam-to-column connections using martensite shape memory alloy (SMA) rods were studied by the experiments. Before the connection test, the material test of Ni-Ti SMA was carried out for the verification of shape memory effect. Meanwhile, the other two type connections (ANGLE and A3) were also tested for comparison. The results showed that connections with SMA rods have excellent energy dissipation capacity, and no strength degradation even subjected to relative rotation of 0.04 rad. It was found that connections with SMA rods possess the higher stiffness and strength than the ANGLE connection, and better ductility than the A3 connection by comparing their hysteretic curves. Large residual deformations of SMA rods can be recovered by application of heat. Retests were performed using heat-straightened rods in the connections, and nearly identical hysteretic behavior was observed as in the case of initial testing.

Original languageEnglish
Title of host publicationAdvances in Civil Engineering and Architecture
Pages662-665
Number of pages4
DOIs
StatePublished - 2011
Externally publishedYes
Event1st International Conference on Civil Engineering, Architecture and Building Materials, CEABM 2011 - Haikou, China
Duration: 18 Jun 201120 Jun 2011

Publication series

NameAdvanced Materials Research
Volume243-249
ISSN (Print)1022-6680

Conference

Conference1st International Conference on Civil Engineering, Architecture and Building Materials, CEABM 2011
Country/TerritoryChina
CityHaikou
Period18/06/1120/06/11

Keywords

  • Beam-to-column connection
  • Cyclic test
  • Ni-Ti SMA
  • Steel
  • Threaded rod

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