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 Study on evaluation of horizontal shear force of flexible composite girders with headed studs
Tác giả hoặc Nhóm tác giả: Ishikawa, T., N. V. Pham, K. Ogaki, Y. Imagawa, and N. Okubo
Nơi đăng: Journal of Structural Engineering, A; Số: 70;Từ->đến trang: 919-928;Năm: 2024
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
In a composite girder, the concrete slab and steel girder are not perfectly integrated in practice, and there will be misalignment between the concrete slab and steel girder depending on the stiffness and spacing of the headed studs. This study evaluates the stiffness and flexibility constants for studs with varying diameters and spacing, based on the results of push-out tests of headed studs conducted by the authors. It was found that the theoretical equations of the flexible composite girder considering the stud stiffness correspond to that given by FEM analysis. The behavior of horizontal shear forces acting on studs based on the theory of flexible composite girders is also clarified.
ABSTRACT
In a composite girder, the concrete slab and steel girder are not perfectly integrated in practice, and there will be misalignment between the concrete slab and steel girder depending on the stiffness and spacing of the headed studs. This study evaluates the stiffness and flexibility constants for studs with varying diameters and spacing, based on the results of push-out tests of headed studs conducted by the authors. It was found that the theoretical equations of the flexible composite girder considering the stud stiffness correspond to that given by FEM analysis. The behavior of horizontal shear forces acting on studs based on the theory of flexible composite girders is also clarified.
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