Experimental Study on Activation Performance of Fe-Based Shape Memory Alloy for Strengthening Steel Bridge
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Bibliographic Details
| Author(s): |
Xuhong Qiang
(Tongji University, Shanghai, China)
Longlong Chen (Tongji University, Shanghai, China) Xu Jiang (Tongji University, Shanghai, China) |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022 | ||||
| Published in: | IABSE Congress Nanjing 2022 | ||||
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| Page(s): | 1551-1559 | ||||
| Total no. of pages: | 9 | ||||
| DOI: | 10.2749/nanjing.2022.1551 | ||||
| Abstract: |
To reveal the effect on heat transfer and the distribution of temperature in Fe-SMA during its activation, a series of tests was performed on Fe-SMA strips in this paper. The mechanical properties of Fe-SMA were preferentially studied by uniaxial tensile test, and the activation performance of Fe- SMA strips was investigated by independently designed set-up, in which the temperature can be monitored by eight K-type thermocouples. The test results reveal that the heat-transfer effect of activation in Fe-SMA strips was dramatical with different spacing and transfer time. Furthermore, a theoretical predication equation was proposed to obtain the peak temperature at any point of the structural member, which serves for deciding the adhesive type and the bonding length of adhesive bonding joint for Fe-SMA reinforcement. This paper offers basic material properties and activation performance of Fe-SMA, which can be employed for further numerical study and theoretical study on the smart reinforcement of steel bridges via Fe-SMA. |
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| Keywords: |
steel bridge strengthening mechanical property temperature distribution activation Fe-SMA recovery stress
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| Copyright: | © 2022 International Association for Bridge and Structural Engineering (IABSE) | ||||
| License: | This creative work is copyrighted material and may not be used without explicit approval by the author and/or copyright owner. |
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