Details
| Originalsprache | Englisch |
|---|---|
| Titel des Sammelwerks | Proceedings of the 1st Conference of the European Association on Quality Control of Bridges and Structures - EUROSTRUCT 2021 |
| Herausgeber/-innen | Carlo Pellegrino, Flora Faleschini, Mariano Angelo Zanini, José C. Matos, Joan R. Casas, Alfred Strauss |
| Herausgeber (Verlag) | Springer Science and Business Media Deutschland GmbH |
| Seiten | 560-568 |
| Seitenumfang | 9 |
| ISBN (Print) | 9783030918767 |
| Publikationsstatus | Veröffentlicht - 12 Dez. 2021 |
| Extern publiziert | Ja |
| Veranstaltung | 1st Conference of the European Association on Quality Control of Bridges and Structures, EUROSTRUCT 2021 - Padua, Italien Dauer: 29 Aug. 2021 → 1 Sept. 2021 |
Publikationsreihe
| Name | Lecture Notes in Civil Engineering |
|---|---|
| Band | 200 LNCE |
| ISSN (Print) | 2366-2557 |
| ISSN (elektronisch) | 2366-2565 |
Abstract
Bridge over Chodovsky stream is a composite structure made of filler-beam deck, erected in 2017 in Karlovy Vary (Czech Republic). Urgent need of repair works on the bridge arose due to excessive effects of creep and subsequent deflection compromising the driving comfort. A bolted retrofit (BR) system was developed to apply pre-strained Fe-SMA prestressing bars. The shape memory effect (SME) of Fe-SMA was used for prestressing of the retrofit bars to increase the flexural resistance of the filler beam deck as well as to reduce the bridge static deflection. After the Fe-SMA strengthening of Petrov bridge in May of 2019 (bridge was demolished in July of 2019), this is to the best of author’s knowledge second application of this kind of strengthening and first permanent application of Fe-SMA to the bridge structure. Because of its novelty, the possibility for monitoring and evaluation of Fe-SMA-strengthening reliability on real bridge structure subjected to daily traffic is of great value. Wireless monitoring system was installed prior to the strengthening application. For the short-term measurements, the bridge was loaded with four 32-ton trucks before and after strengthening. The results of short- and long-term measurements show the effectivity and reliability of the Fe-SMA strengthening for current structures. The relaxation of Fe-SMA is evaluated and the results are compared with preliminary laboratory testing of the same BR strengthening system.
ASJC Scopus Sachgebiete
- Ingenieurwesen (insg.)
- Tief- und Ingenieurbau
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Proceedings of the 1st Conference of the European Association on Quality Control of Bridges and Structures - EUROSTRUCT 2021. Hrsg. / Carlo Pellegrino; Flora Faleschini; Mariano Angelo Zanini; José C. Matos; Joan R. Casas; Alfred Strauss. Springer Science and Business Media Deutschland GmbH, 2021. S. 560-568 (Lecture Notes in Civil Engineering; Band 200 LNCE).
Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Aufsatz in Konferenzband › Forschung › Peer-Review
}
TY - GEN
T1 - Innovative Strengthening of Road Bridges with Iron-Based Shape Memory Alloys (Fe-SMA)
AU - Vůjtěch, Jakub
AU - Ryjáček, Pavel
AU - Ghafoori, Elyas
AU - Matos, Jose C.
N1 - Funding Information: for funding research work within the framework of the Program of Applied Research and Development of National and Cultural Identity (NAKI-II) project: Methods for achieving sustainability of industrial heritage steel bridges, ID.: DG18P02OVV033. Funding Information: The authors are grateful to the Ministry of Culture of the Czech Republic for funding research work within the framework of the Program of Applied Research and Development of National and Cultural Identity (NAKI-II) project: Methods for achieving sustainability of industrial heritage steel bridges, ID.: DG18P02OVV033. The authors would like to thank the contributions of refer AG Company in providing the materials for this study. Publisher Copyright: © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.
PY - 2021/12/12
Y1 - 2021/12/12
N2 - Bridge over Chodovsky stream is a composite structure made of filler-beam deck, erected in 2017 in Karlovy Vary (Czech Republic). Urgent need of repair works on the bridge arose due to excessive effects of creep and subsequent deflection compromising the driving comfort. A bolted retrofit (BR) system was developed to apply pre-strained Fe-SMA prestressing bars. The shape memory effect (SME) of Fe-SMA was used for prestressing of the retrofit bars to increase the flexural resistance of the filler beam deck as well as to reduce the bridge static deflection. After the Fe-SMA strengthening of Petrov bridge in May of 2019 (bridge was demolished in July of 2019), this is to the best of author’s knowledge second application of this kind of strengthening and first permanent application of Fe-SMA to the bridge structure. Because of its novelty, the possibility for monitoring and evaluation of Fe-SMA-strengthening reliability on real bridge structure subjected to daily traffic is of great value. Wireless monitoring system was installed prior to the strengthening application. For the short-term measurements, the bridge was loaded with four 32-ton trucks before and after strengthening. The results of short- and long-term measurements show the effectivity and reliability of the Fe-SMA strengthening for current structures. The relaxation of Fe-SMA is evaluated and the results are compared with preliminary laboratory testing of the same BR strengthening system.
AB - Bridge over Chodovsky stream is a composite structure made of filler-beam deck, erected in 2017 in Karlovy Vary (Czech Republic). Urgent need of repair works on the bridge arose due to excessive effects of creep and subsequent deflection compromising the driving comfort. A bolted retrofit (BR) system was developed to apply pre-strained Fe-SMA prestressing bars. The shape memory effect (SME) of Fe-SMA was used for prestressing of the retrofit bars to increase the flexural resistance of the filler beam deck as well as to reduce the bridge static deflection. After the Fe-SMA strengthening of Petrov bridge in May of 2019 (bridge was demolished in July of 2019), this is to the best of author’s knowledge second application of this kind of strengthening and first permanent application of Fe-SMA to the bridge structure. Because of its novelty, the possibility for monitoring and evaluation of Fe-SMA-strengthening reliability on real bridge structure subjected to daily traffic is of great value. Wireless monitoring system was installed prior to the strengthening application. For the short-term measurements, the bridge was loaded with four 32-ton trucks before and after strengthening. The results of short- and long-term measurements show the effectivity and reliability of the Fe-SMA strengthening for current structures. The relaxation of Fe-SMA is evaluated and the results are compared with preliminary laboratory testing of the same BR strengthening system.
KW - Bridge
KW - Shape memory alloy
KW - Shape memory effect
KW - Strengthening
KW - Structural monitoring
UR - http://www.scopus.com/inward/record.url?scp=85121912905&partnerID=8YFLogxK
U2 - 10.1007/978-3-030-91877-4_64
DO - 10.1007/978-3-030-91877-4_64
M3 - Conference contribution
AN - SCOPUS:85121912905
SN - 9783030918767
T3 - Lecture Notes in Civil Engineering
SP - 560
EP - 568
BT - Proceedings of the 1st Conference of the European Association on Quality Control of Bridges and Structures - EUROSTRUCT 2021
A2 - Pellegrino, Carlo
A2 - Faleschini, Flora
A2 - Zanini, Mariano Angelo
A2 - Matos, José C.
A2 - Casas, Joan R.
A2 - Strauss, Alfred
PB - Springer Science and Business Media Deutschland GmbH
T2 - 1st Conference of the European Association on Quality Control of Bridges and Structures, EUROSTRUCT 2021
Y2 - 29 August 2021 through 1 September 2021
ER -