Experimental and numerical evaluations of local buckling in thin-walled UHPFRC flanges

Jeonghwa Lee; Namju Byun; Yunwoo Lee; Sung Yong Kang; Young Jong Kang

doi:10.1016/j.tws.2021.107662

Experimental and numerical evaluations of local buckling in thin-walled UHPFRC flanges

Jeonghwa Lee, Namju Byun, Yunwoo Lee, Sung Yong Kang, Young Jong Kang

School of Civil, Environmental and Architectural Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Since ultra-high-performance fiber reinforced concrete (UHPFRC) features an excellent structural performance with high strength and ductility, an assessment of local buckling in thin-walled UHPFRC members is required to prevent possible buckling failures. In this study, the local buckling behavior of UHPFRC flanges was evaluated based on experimental tests and nonlinear FE analysis. It was concluded that the local buckling behavior of UHPFRC flanges with brittle failure modes may occur within the current design ranges. A modified moment calculation procedure considering the local buckling was proposed to achieve a ductile design of the thin-walled UHPFRC girders.

Original language	English
Article number	107662
Journal	Thin-Walled Structures
Volume	163
DOIs	https://doi.org/10.1016/j.tws.2021.107662
Publication status	Published - 2021 Jun

Keywords

Local bending
Local buckling
Thin-walled flange
Ultra-high-performance fiber reinforced concrete (UHPFRC)

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Mechanical Engineering

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title = "Experimental and numerical evaluations of local buckling in thin-walled UHPFRC flanges",

abstract = "Since ultra-high-performance fiber reinforced concrete (UHPFRC) features an excellent structural performance with high strength and ductility, an assessment of local buckling in thin-walled UHPFRC members is required to prevent possible buckling failures. In this study, the local buckling behavior of UHPFRC flanges was evaluated based on experimental tests and nonlinear FE analysis. It was concluded that the local buckling behavior of UHPFRC flanges with brittle failure modes may occur within the current design ranges. A modified moment calculation procedure considering the local buckling was proposed to achieve a ductile design of the thin-walled UHPFRC girders.",

keywords = "Local bending, Local buckling, Thin-walled flange, Ultra-high-performance fiber reinforced concrete (UHPFRC)",

author = "Jeonghwa Lee and Namju Byun and Yunwoo Lee and Kang, {Sung Yong} and Kang, {Young Jong}",

note = "Funding Information: This research was supported by a grant (code 15CTAP-C098412-01 ) from the Infrastructure and Transportation Technology Promotion Research Program funded by the Ministry of Land, Infrastructure and Transport of the Korean Government and by the Basic Science Research Program through the National Research Foundation of Korea (NRF) , funded by the Ministry of Education (Grant No. 2019R1I1A1A01059684 ). All authors approved the version of the manuscript to be published. Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

year = "2021",

month = jun,

doi = "10.1016/j.tws.2021.107662",

language = "English",

volume = "163",

journal = "Thin-Walled Structures",

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AU - Lee, Jeonghwa

AU - Byun, Namju

AU - Lee, Yunwoo

AU - Kang, Sung Yong

AU - Kang, Young Jong

N1 - Funding Information: This research was supported by a grant (code 15CTAP-C098412-01 ) from the Infrastructure and Transportation Technology Promotion Research Program funded by the Ministry of Land, Infrastructure and Transport of the Korean Government and by the Basic Science Research Program through the National Research Foundation of Korea (NRF) , funded by the Ministry of Education (Grant No. 2019R1I1A1A01059684 ). All authors approved the version of the manuscript to be published. Publisher Copyright: © 2021 Elsevier Ltd

PY - 2021/6

Y1 - 2021/6

N2 - Since ultra-high-performance fiber reinforced concrete (UHPFRC) features an excellent structural performance with high strength and ductility, an assessment of local buckling in thin-walled UHPFRC members is required to prevent possible buckling failures. In this study, the local buckling behavior of UHPFRC flanges was evaluated based on experimental tests and nonlinear FE analysis. It was concluded that the local buckling behavior of UHPFRC flanges with brittle failure modes may occur within the current design ranges. A modified moment calculation procedure considering the local buckling was proposed to achieve a ductile design of the thin-walled UHPFRC girders.

AB - Since ultra-high-performance fiber reinforced concrete (UHPFRC) features an excellent structural performance with high strength and ductility, an assessment of local buckling in thin-walled UHPFRC members is required to prevent possible buckling failures. In this study, the local buckling behavior of UHPFRC flanges was evaluated based on experimental tests and nonlinear FE analysis. It was concluded that the local buckling behavior of UHPFRC flanges with brittle failure modes may occur within the current design ranges. A modified moment calculation procedure considering the local buckling was proposed to achieve a ductile design of the thin-walled UHPFRC girders.

KW - Local bending

KW - Local buckling

KW - Thin-walled flange

KW - Ultra-high-performance fiber reinforced concrete (UHPFRC)

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DO - 10.1016/j.tws.2021.107662

M3 - Article

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VL - 163

JO - Thin-Walled Structures

JF - Thin-Walled Structures

SN - 0263-8231

M1 - 107662

ER -

Experimental and numerical evaluations of local buckling in thin-walled UHPFRC flanges

Abstract

Keywords

ASJC Scopus subject areas

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