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Flexural Behavior of a New Steel-UHPFRC Composite Beam with In- Built Steel Dowel as Connector

Flexural Behavior of a New Steel-UHPFRC Composite Beam with In- Built Steel Dowel as Connector
Autor(en): , , ,
Beitrag für IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022, veröffentlicht in , S. 710-716
DOI: 10.2749/nanjing.2022.0710
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A lightweight steel-UHPFRC composite beam structure, consisting of a half rolled section with in- built steel dowels as connectors and a T-shaped UHPFRC component, is proposed originally in this pa...
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Bibliografische Angaben

Autor(en): (College of Civil Engineering, Hunan University, Changsha 410082, China Sustainable Materials, VITO, Boeretang 200, 2400 Mol, Belgium)
(Hunan Provincial Communications Planning, Survey & Design Institute CO., LTD, Hunan, Changsha 410082, China)
(Hunan Provincial Communications Planning, Survey & Design Institute CO., LTD, Hunan, Changsha 410082, China)
(College of Civil Engineering, Hunan University, Changsha 410082, China)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022
Veröffentlicht in:
Seite(n): 710-716 Anzahl der Seiten (im PDF): 7
Seite(n): 710-716
Anzahl der Seiten (im PDF): 7
DOI: 10.2749/nanjing.2022.0710
Abstrakt:

A lightweight steel-UHPFRC composite beam structure, consisting of a half rolled section with in- built steel dowels as connectors and a T-shaped UHPFRC component, is proposed originally in this paper. The excellent properties of steel and UHPFRC materials can be exploited fully and properly, and the presence of in-built steel dowel is expected to allow effective force transmission between steel and UHPFRC components, benefiting from its higher shear resistance and ductility. Two composite beams with various heights of UHPC web are tested by 4PBT method, aiming at validating this concept and investigating the flexural behavior under sagging moment. And a high resolution Digital Image Correlation (DIC) system is applied during testing, in addition to conventional measuring techniques. Moreover, the sectional analysis method considering the tensile properties of UHPFRC is applied to predict the flexural.
Stichwörter:
Verbundträger Stahldübel Walzprofil UHPFRC
Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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