RESEARCH ON SHEAR PROPERTIES AND SELF-RECOVERY CHARACTERISTICS OF SHAPE MEMORY ALLOY PSEUDO-RUBBER BEARINGS

YUAN Zesen; LIU Zhenliang; LI Suchao; WANG Zhiyuan

doi:10.13204/j.gyjzG21052419

Volume 51 Issue 11

Mar. 2022

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Xu Yehui, Li Bin, Xun Yong. EXPERIMENTAL RESEARCH ON SECONDARY BENDING BEHAVIOR OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH TEXTILE REINFORCED CONCRETE SHEETS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(1): 173-178. doi: 10.13204/j.gyjz201501035

Citation:

YUAN Zesen, LIU Zhenliang, LI Suchao, WANG Zhiyuan. RESEARCH ON SHEAR PROPERTIES AND SELF-RECOVERY CHARACTERISTICS OF SHAPE MEMORY ALLOY PSEUDO-RUBBER BEARINGS[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(11): 1-6,18. doi: 10.13204/j.gyjzG21052419

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RESEARCH ON SHEAR PROPERTIES AND SELF-RECOVERY CHARACTERISTICS OF SHAPE MEMORY ALLOY PSEUDO-RUBBER BEARINGS

doi: 10.13204/j.gyjzG21052419

1. Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, School of Civil Engineering, Harbin Institute of Technology,Harbin 150090, China;
2. Department of Civil Engineering, Harbin Institute of Technology (Weihai), Weihai 264209, China

Received Date: 2021-05-24
Available Online: 2022-03-29

Abstract

Abstract

Based on the shear test of two types(Ⅰ and Ⅱ) of shape memory alloy pseudo-rubber(SMAPR) bearings, the effects of loading frequency, loading amplitude, processing technology and pre-compression stress on its shear properties of its non-forming direction were studied. In addition, the self-recovery through temperature-rising and subsequent mechanical properties were investigated for the SMAPR specimen with residual deformation. The results showed that the shear properties of type Ⅰ and Ⅱ SMAPR bearings were stable, and the equivalent damping ratio increased with the increment of shear amplitudes. The shear stiffness and energy dissipation capacity of SMAPR isolators could be greatly improved by applying pre-compression loads. The residual strain of the two types of specimens could both be eliminated through temperature-rising, and the mechanical properties of type Ⅰ specimens were consistent with those before temperature-rising, which had good repeatability.
- SMAPR bearing,
- shear property,
- self-recovery through temperature-rising,
- pre-compression load

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References(12)

References

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