Cyclic behavior of reinforced concrete cladding panels connected with energy dissipative steel cushions

Faruk Karadoğan; Ercan Yüksel; Arastoo Khajehdehi; Hasan Özkaynak; Ahmet Güllü; Erkan Şenol

doi:10.1016/j.engstruct.2019.03.092

Cyclic behavior of reinforced concrete cladding panels connected with energy dissipative steel cushions

Faruk Karadoğan, Ercan Yüksel^*, Arastoo Khajehdehi, Hasan Özkaynak, Ahmet Güllü, Erkan Şenol

^*Corresponding author for this work

Department of Civil Engineering

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

33 Citations (Scopus)

Abstract

Precast concrete structures show damage after the destructive earthquakes and indicate that the connections of reinforced concrete (RC) cladding panels might be inadequate. RC cladding panels greatly increase the lateral stiffness and strength of the building when they are rigidly connected to the structural system. However, this also increases the seismic requirements. Consequently, a robust mechanical connection device with energy-dissipating capability was produced for RC cladding panels. Extensive experimental and numerical studies on an energy-dissipative steel cushion (SC) connection device were carried out in the framework of the SAFECLADDING project. Cladding panel tests were conducted with various connection configurations. The fundamental variables are the location, quantity, and thickness of SCs used in the cladding systems. The test results demonstrate that the SCs used in panel-to-panel and panel-to-support connections made large contributions to the total energy dissipation capacity. The parameters of a numerical model were also evaluated to reproduce the experimental results.

Original language	English
Pages (from-to)	423-439
Number of pages	17
Journal	Engineering Structures
Volume	189
DOIs	https://doi.org/10.1016/j.engstruct.2019.03.092
Publication status	Published - 15 Jun 2019

Bibliographical note

Publisher Copyright:
© 2019 Elsevier Ltd

Funding

This research was conducted in the framework of the FP7 project, “SAFECLADDING: Improved Fastening Systems of Cladding Wall Panels of Precast Buildings in Seismic Zones,” research for SME associations, grant agreement number 314122, which was coordinated by Mr. Alessio Rimoldi from BIBM. The financial support provided by the Commission of the European Communities through this project is greatly appreciated. The study was conducted at the Structural and Earthquake Engineering Laboratory (STEELab) of Istanbul Technical University. The support of the laboratory staff and graduate students is gratefully acknowledged.

Funders	Funder number
Commission of the European Communities
Seventh Framework Programme	314122

Keywords

Cladding panel
Connection device
Energy dissipation
Steel cushion

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10.1016/j.engstruct.2019.03.092

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title = "Cyclic behavior of reinforced concrete cladding panels connected with energy dissipative steel cushions",

abstract = "Precast concrete structures show damage after the destructive earthquakes and indicate that the connections of reinforced concrete (RC) cladding panels might be inadequate. RC cladding panels greatly increase the lateral stiffness and strength of the building when they are rigidly connected to the structural system. However, this also increases the seismic requirements. Consequently, a robust mechanical connection device with energy-dissipating capability was produced for RC cladding panels. Extensive experimental and numerical studies on an energy-dissipative steel cushion (SC) connection device were carried out in the framework of the SAFECLADDING project. Cladding panel tests were conducted with various connection configurations. The fundamental variables are the location, quantity, and thickness of SCs used in the cladding systems. The test results demonstrate that the SCs used in panel-to-panel and panel-to-support connections made large contributions to the total energy dissipation capacity. The parameters of a numerical model were also evaluated to reproduce the experimental results.",

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AU - Karadoğan, Faruk

AU - Yüksel, Ercan

AU - Khajehdehi, Arastoo

AU - Özkaynak, Hasan

AU - Güllü, Ahmet

AU - Şenol, Erkan

PY - 2019/6/15

Y1 - 2019/6/15

N2 - Precast concrete structures show damage after the destructive earthquakes and indicate that the connections of reinforced concrete (RC) cladding panels might be inadequate. RC cladding panels greatly increase the lateral stiffness and strength of the building when they are rigidly connected to the structural system. However, this also increases the seismic requirements. Consequently, a robust mechanical connection device with energy-dissipating capability was produced for RC cladding panels. Extensive experimental and numerical studies on an energy-dissipative steel cushion (SC) connection device were carried out in the framework of the SAFECLADDING project. Cladding panel tests were conducted with various connection configurations. The fundamental variables are the location, quantity, and thickness of SCs used in the cladding systems. The test results demonstrate that the SCs used in panel-to-panel and panel-to-support connections made large contributions to the total energy dissipation capacity. The parameters of a numerical model were also evaluated to reproduce the experimental results.

AB - Precast concrete structures show damage after the destructive earthquakes and indicate that the connections of reinforced concrete (RC) cladding panels might be inadequate. RC cladding panels greatly increase the lateral stiffness and strength of the building when they are rigidly connected to the structural system. However, this also increases the seismic requirements. Consequently, a robust mechanical connection device with energy-dissipating capability was produced for RC cladding panels. Extensive experimental and numerical studies on an energy-dissipative steel cushion (SC) connection device were carried out in the framework of the SAFECLADDING project. Cladding panel tests were conducted with various connection configurations. The fundamental variables are the location, quantity, and thickness of SCs used in the cladding systems. The test results demonstrate that the SCs used in panel-to-panel and panel-to-support connections made large contributions to the total energy dissipation capacity. The parameters of a numerical model were also evaluated to reproduce the experimental results.

KW - Cladding panel

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Cyclic behavior of reinforced concrete cladding panels connected with energy dissipative steel cushions

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Keywords

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