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Response of RC Frames Strengthened by RC Infill Walls: Experimental Study

Papatheocharis, Theocharis / Perdikaris, Philip C. / Moretti, Marina L.

The experimental results of a research program on the response of $1 / 3$ -scale reinforced concrete infilled frames are presented and evaluated. The main objective was to assess the seismic performance of RC frames infilled with a cast-in-place RC wall designed according to the Greek code for retrofitting existing buildings. Seven infilled RC frames with a height-to-length wall aspect ratio $h_{w} / l_{w} = 0.58$ were subjected to cyclic horizontal excitation. The parameters of the experimental study included the infill-to-frame method of connection along the horizontal and/or vertical interfaces and the anchorage length of the shear connectors placed along the interfaces. The columns of two of the infilled frame specimens were strengthened by a closed RC jacket. The presence of the RC wall resulted in a significant increase of the ultimate strength, in-plane stiffness, energy dissipation, and, to a certain extent, higher ductility. Specimens with jacketed columns appeared to have the best response.

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Response of RC Frames Strengthened by RC Infill Walls: Experimental Study

Papatheocharis, Theocharis / Perdikaris, Philip C. / Moretti, Marina L.

The experimental results of a research program on the response of $1 / 3$ -scale reinforced concrete infilled frames are presented and evaluated. The main objective was to assess the seismic performance of RC frames infilled with a cast-in-place RC wall designed according to the Greek code for retrofitting existing buildings. Seven infilled RC frames with a height-to-length wall aspect ratio $h_{w} / l_{w} = 0.58$ were subjected to cyclic horizontal excitation. The parameters of the experimental study included the infill-to-frame method of connection along the horizontal and/or vertical interfaces and the anchorage length of the shear connectors placed along the interfaces. The columns of two of the infilled frame specimens were strengthened by a closed RC jacket. The presence of the RC wall resulted in a significant increase of the ultimate strength, in-plane stiffness, energy dissipation, and, to a certain extent, higher ductility. Specimens with jacketed columns appeared to have the best response.

Response of RC Frames Strengthened by RC Infill Walls: Experimental Study

Papatheocharis, Theocharis / Perdikaris, Philip C. / Moretti, Marina L.

The experimental results of a research program on the response of $1 / 3$ -scale reinforced concrete infilled frames are presented and evaluated. The main objective was to assess the seismic performance of RC frames infilled with a cast-in-place RC wall designed according to the Greek code for retrofitting existing buildings. Seven infilled RC frames with a height-to-length wall aspect ratio $h_{w} / l_{w} = 0.58$ were subjected to cyclic horizontal excitation. The parameters of the experimental study included the infill-to-frame method of connection along the horizontal and/or vertical interfaces and the anchorage length of the shear connectors placed along the interfaces. The columns of two of the infilled frame specimens were strengthened by a closed RC jacket. The presence of the RC wall resulted in a significant increase of the ultimate strength, in-plane stiffness, energy dissipation, and, to a certain extent, higher ductility. Specimens with jacketed columns appeared to have the best response.

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Title:

Response of RC Frames Strengthened by RC Infill Walls: Experimental Study

Contributors:

Papatheocharis, Theocharis (author) / Perdikaris, Philip C. (author) / Moretti, Marina L. (author)

Published in:

Journal of Structural Engineering ; 145

Publication date:

2019-08-29

ISSN:

0733-9445 , 1943-541X

DOI:

https://doi.org/10.1061/(ASCE)ST.1943-541X.0002425

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

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