Structural response of cable-stayed bridges exposed to strong earthquakes during construction
This paper investigates the earthquake response of the Kömürhan cable-stayed bridge with a single pylon and steel deck, which was exposed to the Elazığ-Sivrice earthquake (Mw = 6.8) on January 24, 2020, while it was under construction. The distance from the epicenter to the bridge is approximately 2...
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| Veröffentlicht in: | Natural hazards (Dordrecht) 2024-03, Vol.120 (4), p.3429-3446 |
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| creator | Bayraktar, Alemdar Kurşun, Altok Erdiş, Arif Akköse, Mehmet Taş, Yavuzhan Yang, Tony T. Y. |
| description | This paper investigates the earthquake response of the Kömürhan cable-stayed bridge with a single pylon and steel deck, which was exposed to the Elazığ-Sivrice earthquake (Mw = 6.8) on January 24, 2020, while it was under construction. The distance from the epicenter to the bridge is approximately 23 km. 82% of the Kömürhan bridge deck was completed during the Elazığ-Sivrice earthquake in 2020. The spectral accelerations of the Elazığ-Sivrice earthquake are approximately 2.5 times greater than those of the design earthquake (72-year) considered during the construction stage. This paper first presents the characteristics of the Kömürhan cable-stayed bridge and the Elazığ-Sivrice earthquake (Mw = 6.8). Subsequently, a 3D numerical finite model of the Kömürhan cable-stayed bridge under construction is created. Modal and seismic responses of the deck, pylon and cables of the bridge under construction are compared for the load combinations including the design (72-year) and the Elazığ-Sivrice earthquakes. The result shows that under the 2020 Elazığ-Sivrice earthquake, the maximum vertical displacements, axial forces, and bending moments of the deck, as well as the cable forces, are three times greater than the design values (72-year). Nevertheless, despite the significant increase in the structural response, no visual damage was observed on the structural elements. This highlights the conservative design of the Kömürhan cable-stayed bridge. |
| doi_str_mv | 10.1007/s11069-023-06346-7 |
| format | Article |
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Y.</creator><creatorcontrib>Bayraktar, Alemdar ; Kurşun, Altok ; Erdiş, Arif ; Akköse, Mehmet ; Taş, Yavuzhan ; Yang, Tony T. Y.</creatorcontrib><description>This paper investigates the earthquake response of the Kömürhan cable-stayed bridge with a single pylon and steel deck, which was exposed to the Elazığ-Sivrice earthquake (Mw = 6.8) on January 24, 2020, while it was under construction. The distance from the epicenter to the bridge is approximately 23 km. 82% of the Kömürhan bridge deck was completed during the Elazığ-Sivrice earthquake in 2020. The spectral accelerations of the Elazığ-Sivrice earthquake are approximately 2.5 times greater than those of the design earthquake (72-year) considered during the construction stage. This paper first presents the characteristics of the Kömürhan cable-stayed bridge and the Elazığ-Sivrice earthquake (Mw = 6.8). Subsequently, a 3D numerical finite model of the Kömürhan cable-stayed bridge under construction is created. Modal and seismic responses of the deck, pylon and cables of the bridge under construction are compared for the load combinations including the design (72-year) and the Elazığ-Sivrice earthquakes. The result shows that under the 2020 Elazığ-Sivrice earthquake, the maximum vertical displacements, axial forces, and bending moments of the deck, as well as the cable forces, are three times greater than the design values (72-year). Nevertheless, despite the significant increase in the structural response, no visual damage was observed on the structural elements. This highlights the conservative design of the Kömürhan cable-stayed bridge.</description><identifier>ISSN: 0921-030X</identifier><identifier>EISSN: 1573-0840</identifier><identifier>DOI: 10.1007/s11069-023-06346-7</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Axial forces ; Bending moments ; Bridge decks ; Bridges ; Cable-stayed bridges ; Cables ; Civil Engineering ; Construction ; Deformation ; Design ; Earth and Environmental Science ; Earth Sciences ; Earthquake damage ; Earthquakes ; Environmental Management ; Geophysics/Geodesy ; Geotechnical Engineering & Applied Earth Sciences ; Hydrogeology ; Natural Hazards ; Original Paper ; Pylons ; Seismic activity ; Seismic response ; Steel decks ; Structural members ; Structural response ; Three dimensional models ; Vertical forces ; Visual observation</subject><ispartof>Natural hazards (Dordrecht), 2024-03, Vol.120 (4), p.3429-3446</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-d612183d45094cbc02aa81af6117eadd82174f11d07554c42a10d5322b8ebfc93</cites><orcidid>0000-0002-8973-9228</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11069-023-06346-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11069-023-06346-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>Bayraktar, Alemdar</creatorcontrib><creatorcontrib>Kurşun, Altok</creatorcontrib><creatorcontrib>Erdiş, Arif</creatorcontrib><creatorcontrib>Akköse, Mehmet</creatorcontrib><creatorcontrib>Taş, Yavuzhan</creatorcontrib><creatorcontrib>Yang, Tony T. Y.</creatorcontrib><title>Structural response of cable-stayed bridges exposed to strong earthquakes during construction</title><title>Natural hazards (Dordrecht)</title><addtitle>Nat Hazards</addtitle><description>This paper investigates the earthquake response of the Kömürhan cable-stayed bridge with a single pylon and steel deck, which was exposed to the Elazığ-Sivrice earthquake (Mw = 6.8) on January 24, 2020, while it was under construction. The distance from the epicenter to the bridge is approximately 23 km. 82% of the Kömürhan bridge deck was completed during the Elazığ-Sivrice earthquake in 2020. The spectral accelerations of the Elazığ-Sivrice earthquake are approximately 2.5 times greater than those of the design earthquake (72-year) considered during the construction stage. This paper first presents the characteristics of the Kömürhan cable-stayed bridge and the Elazığ-Sivrice earthquake (Mw = 6.8). Subsequently, a 3D numerical finite model of the Kömürhan cable-stayed bridge under construction is created. Modal and seismic responses of the deck, pylon and cables of the bridge under construction are compared for the load combinations including the design (72-year) and the Elazığ-Sivrice earthquakes. The result shows that under the 2020 Elazığ-Sivrice earthquake, the maximum vertical displacements, axial forces, and bending moments of the deck, as well as the cable forces, are three times greater than the design values (72-year). Nevertheless, despite the significant increase in the structural response, no visual damage was observed on the structural elements. This highlights the conservative design of the Kömürhan cable-stayed bridge.</description><subject>Axial forces</subject><subject>Bending moments</subject><subject>Bridge decks</subject><subject>Bridges</subject><subject>Cable-stayed bridges</subject><subject>Cables</subject><subject>Civil Engineering</subject><subject>Construction</subject><subject>Deformation</subject><subject>Design</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earthquake damage</subject><subject>Earthquakes</subject><subject>Environmental Management</subject><subject>Geophysics/Geodesy</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Hydrogeology</subject><subject>Natural Hazards</subject><subject>Original Paper</subject><subject>Pylons</subject><subject>Seismic activity</subject><subject>Seismic response</subject><subject>Steel decks</subject><subject>Structural members</subject><subject>Structural response</subject><subject>Three dimensional models</subject><subject>Vertical forces</subject><subject>Visual observation</subject><issn>0921-030X</issn><issn>1573-0840</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouH78AU8Fz9GZJG3aoyx-wYIHFbxISJN07bo23aQF99-b3QrePA3vzLzPMC8hFwhXCCCvIyIUFQXGKRRcFFQekBnmMslSwCGZQcWQAoe3Y3IS4woAsWDVjLw_D2E0wxj0Ogsu9r6LLvNNZnS9djQOeutsVofWLl3M3HfvY9KDz-IQfLfMnA7Dx2bUn2lqx9CmlkmIPbP13Rk5avQ6uvPfekpe725f5g908XT_OL9ZUMMkDNQWyLDkVuRQCVMbYFqXqJsCUTptbclQigbRgsxzYQTTCDbnjNWlqxtT8VNyOXH74Deji4Na-TF06aRileRcVIgsbbFpywQfY3CN6kP7pcNWIahdjGqKUaUY1T5GJZOJT6bY795z4Q_9j-sHW3N21Q</recordid><startdate>20240301</startdate><enddate>20240301</enddate><creator>Bayraktar, Alemdar</creator><creator>Kurşun, Altok</creator><creator>Erdiş, Arif</creator><creator>Akköse, Mehmet</creator><creator>Taş, Yavuzhan</creator><creator>Yang, Tony T. Y.</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-8973-9228</orcidid></search><sort><creationdate>20240301</creationdate><title>Structural response of cable-stayed bridges exposed to strong earthquakes during construction</title><author>Bayraktar, Alemdar ; Kurşun, Altok ; Erdiş, Arif ; Akköse, Mehmet ; Taş, Yavuzhan ; Yang, Tony T. 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Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural response of cable-stayed bridges exposed to strong earthquakes during construction</atitle><jtitle>Natural hazards (Dordrecht)</jtitle><stitle>Nat Hazards</stitle><date>2024-03-01</date><risdate>2024</risdate><volume>120</volume><issue>4</issue><spage>3429</spage><epage>3446</epage><pages>3429-3446</pages><issn>0921-030X</issn><eissn>1573-0840</eissn><abstract>This paper investigates the earthquake response of the Kömürhan cable-stayed bridge with a single pylon and steel deck, which was exposed to the Elazığ-Sivrice earthquake (Mw = 6.8) on January 24, 2020, while it was under construction. The distance from the epicenter to the bridge is approximately 23 km. 82% of the Kömürhan bridge deck was completed during the Elazığ-Sivrice earthquake in 2020. The spectral accelerations of the Elazığ-Sivrice earthquake are approximately 2.5 times greater than those of the design earthquake (72-year) considered during the construction stage. This paper first presents the characteristics of the Kömürhan cable-stayed bridge and the Elazığ-Sivrice earthquake (Mw = 6.8). Subsequently, a 3D numerical finite model of the Kömürhan cable-stayed bridge under construction is created. Modal and seismic responses of the deck, pylon and cables of the bridge under construction are compared for the load combinations including the design (72-year) and the Elazığ-Sivrice earthquakes. The result shows that under the 2020 Elazığ-Sivrice earthquake, the maximum vertical displacements, axial forces, and bending moments of the deck, as well as the cable forces, are three times greater than the design values (72-year). Nevertheless, despite the significant increase in the structural response, no visual damage was observed on the structural elements. 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| subjects | Axial forces Bending moments Bridge decks Bridges Cable-stayed bridges Cables Civil Engineering Construction Deformation Design Earth and Environmental Science Earth Sciences Earthquake damage Earthquakes Environmental Management Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Hydrogeology Natural Hazards Original Paper Pylons Seismic activity Seismic response Steel decks Structural members Structural response Three dimensional models Vertical forces Visual observation |
| title | Structural response of cable-stayed bridges exposed to strong earthquakes during construction |
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