CYCLIC LOADING TESTS OF BUCKLING-RESTRAINED BRACES WITH POST-TENSIONED CABLES

Shogo Inanaga; Kurtulus Atasever; Yuki Terazawa; Oguz C. Celik; Toru Takeuchi

doi:10.3130/AIJS.85.821

CYCLIC LOADING TESTS OF BUCKLING-RESTRAINED BRACES WITH POST-TENSIONED CABLES

Shogo Inanaga, Kurtulus Atasever, Yuki Terazawa, Oguz C. Celik, Toru Takeuchi

Department of Architecture

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

1 Citation (Scopus)

Abstract

Although buckling-restrained braces (BRBs) have an excellent energy dissipation capacity, damage concentration and large residual deformation occur due to their low post-yield stiffness when BRBs are used in steel frames with pinned connections. To avoid these risks, PT.BRB (BRB with Post-Tensioned cables) has been proposed that provides/enhances self-centering force by externally attached post-tensioned cables. The hysteresis is mainly dependent on post-yield stiffness (a) and energy dissipation (6) ratios. In this paper, after studying parameters (a and 6) minimizing residual deformation, cyclic loading tests of PT-BRBs are carried out, and obtained results are compared with numerical model.

Original language	English
Pages (from-to)	821-831
Number of pages	11
Journal	Journal of Structural and Construction Engineering
Volume	85
Issue number	722
DOIs	https://doi.org/10.3130/AIJS.85.821
Publication status	Published - 2020

Bibliographical note

Publisher Copyright:
© 2020 Architectural Institute of Japan. All rights reserved.

Keywords

Buckling Restrained Brace
Carbon Fiber Composite Cable
Cyclic Loading Test
Residual Deformation
Self-Centering

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10.3130/AIJS.85.821

Cite this

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abstract = "Although buckling-restrained braces (BRBs) have an excellent energy dissipation capacity, damage concentration and large residual deformation occur due to their low post-yield stiffness when BRBs are used in steel frames with pinned connections. To avoid these risks, PT.BRB (BRB with Post-Tensioned cables) has been proposed that provides/enhances self-centering force by externally attached post-tensioned cables. The hysteresis is mainly dependent on post-yield stiffness (a) and energy dissipation (6) ratios. In this paper, after studying parameters (a and 6) minimizing residual deformation, cyclic loading tests of PT-BRBs are carried out, and obtained results are compared with numerical model.",

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AU - Celik, Oguz C.

AU - Takeuchi, Toru

PY - 2020

Y1 - 2020

N2 - Although buckling-restrained braces (BRBs) have an excellent energy dissipation capacity, damage concentration and large residual deformation occur due to their low post-yield stiffness when BRBs are used in steel frames with pinned connections. To avoid these risks, PT.BRB (BRB with Post-Tensioned cables) has been proposed that provides/enhances self-centering force by externally attached post-tensioned cables. The hysteresis is mainly dependent on post-yield stiffness (a) and energy dissipation (6) ratios. In this paper, after studying parameters (a and 6) minimizing residual deformation, cyclic loading tests of PT-BRBs are carried out, and obtained results are compared with numerical model.

AB - Although buckling-restrained braces (BRBs) have an excellent energy dissipation capacity, damage concentration and large residual deformation occur due to their low post-yield stiffness when BRBs are used in steel frames with pinned connections. To avoid these risks, PT.BRB (BRB with Post-Tensioned cables) has been proposed that provides/enhances self-centering force by externally attached post-tensioned cables. The hysteresis is mainly dependent on post-yield stiffness (a) and energy dissipation (6) ratios. In this paper, after studying parameters (a and 6) minimizing residual deformation, cyclic loading tests of PT-BRBs are carried out, and obtained results are compared with numerical model.

KW - Buckling Restrained Brace

KW - Carbon Fiber Composite Cable

KW - Cyclic Loading Test

KW - Residual Deformation

KW - Self-Centering

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DO - 10.3130/AIJS.85.821

M3 - Article

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SN - 1340-4202

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JO - Journal of Structural and Construction Engineering

JF - Journal of Structural and Construction Engineering

IS - 722

ER -

CYCLIC LOADING TESTS OF BUCKLING-RESTRAINED BRACES WITH POST-TENSIONED CABLES

Abstract

Bibliographical note

Keywords

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