Shear behavior and design of an innovative embedded connector with flange for steel–concrete composite girder

• Autorzy: Zhang Zhe , Zhang Sheng-Nan , Deng En-Feng , Yu Chen-Yang , Tang Yi , Wang Yan , Sun Dong-Sheng

Identyfikatory

DOI

10.1007/s43452-022-00515-4

• Języki publikacji: EN

Abstrakty

EN

Connectors are crucial for steel–concrete composite girder to insure cooperative work of the two different materials. Flanges in connectors can be used as supports and templates to accelerate construction progress. Embedded connector is a type of connector formed by embedded web with opening holes for arranging reinforcements. However, traditional embedded connector does not include flanges. In this paper, an embedded connector with flanges was proposed. Three full-scale specimens were fabricated and push-out tests were conducted to investigate the shear behavior of the innovative connector. The failure mode and shear performance of the traditional embedded shear connector without flanges and the innovative connector with flanges were compared. Three-dimensional finite-element model (FEM) was developed and validated based on the test results. Furthermore, parametric analysis was conducted to further study the effects of the strength of the concrete, diameter of the hole, diameter of the perforating rebar, embedding depth, and height of the corrugated web on the shear performance of the innovative connector. The results of the parametric study were analyzed to evaluate the shear capacity for the embedded connector with flanges. Finally, an analytical model was proposed to predict the shear strength of the innovative embedded connector, which will provide important guidance for engineering application.

Słowa kluczowe

EN

embedded shear connector; embedded shear connector with flange; shear performance; push-out test; finite-element analysis

PL

wytrzymałość na ścinanie; analiza elementów skończonych; złącze; badanie wypychania

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2022
• Tom: Vol. 22, no. 4
• Strony: art. no. e195, 2022
• Opis fizyczny: Bibliogr. 34 poz., fot., rys., wykr.

Twórcy

autor

Zhang Zhe

• School of Civil Engineering, Zhengzhou University, Zhengzhou 450000, China

autor

Zhang Sheng-Nan

• School of Civil Engineering, Zhengzhou University, Zhengzhou 450000, China

autor

Deng En-Feng

• School of Civil Engineering, Zhengzhou University, Zhengzhou 450000, China

autor

Yu Chen-Yang

• School of Civil Engineering, Zhengzhou University, Zhengzhou 450000, China
• China Construction Third Bureau First Engineering Co., Ltd, Wuhan 518000, China

autor

Tang Yi

• Henan Provincial Communications Planning and Design Institute Co., Ltd, Zhengzhou 450000, China

autor

Wang Yan

• Henan Provincial Communications Planning and Design Institute Co., Ltd, Zhengzhou 450000, China

autor

Sun Dong-Sheng

• Henan Provincial Communications Planning and Design Institute Co., Ltd, Zhengzhou 450000, China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)