A new type of hollow-shallow steel and concrete composite floor beam

  • Vu Anh Tuan Faculty of Building and Industrial Construction, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam https://orcid.org/0000-0002-0524-7024
  • Han Ngoc Duc Faculty of Building and Industrial Construction, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
  • Nguyen Dinh Hoa Faculty of Building and Industrial Construction, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
  • Nguyen Tran Hieu Faculty of Building and Industrial Construction, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
  • Nguyen Trung Kien Faculty of Building and Industrial Construction, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
DOI: https://doi.org/10.31814/stce.huce(nuce)2021-15(4)-06
Keywords: hollow-shallow section, slim-floor beams, shallow floor-beams, composite beam, floor-beam structures, composite structures

Abstract

Recently in Vietnam, steel-concrete composite structures especially composite beams are widely constructed in high-rise buildings. To apply broader in construction field mainly in secondary beam systems, the new type of slim-floor composite beam is proposed to aim at reducing the cost, saving the raw material, and decreasing the overall floor depth for sustainable development orientation. This type of floor beam structure consists of built-up hollow-shallow steel beam mandatory connected with cast in situ concrete slab through the openings at both side of web along the beam. The shear connection level of composite beam is depended on not only the friction at the connected surface between hollow steel section and concrete but also the shear resistance of concrete dowels, which go through the openings. The paper deals with an innovative shape of cross-section and design philosophy of composite beam according to EN 1994-1-1.

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Published
31-10-2021
How to Cite
Tuan, V. A., Duc, H. N., Hoa, N. D., Hieu, N. T., & Kien, N. T. (2021). A new type of hollow-shallow steel and concrete composite floor beam. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, 15(4), 65-73. https://doi.org/10.31814/stce.huce(nuce)2021-15(4)-06
Issue
Vol 15 No 4 (2021)
Section
Research Papers

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