Experimental Behavior of RC Interfaces between Concretes Cast at Different Times Subjected to Cyclic Actions
Publication: Journal of Structural Engineering
Volume 149, Issue 6
Abstract
The paper presents the results of an experimental investigation of the behavior of RC interfaces subjected to cyclically imposed shear slips. Several parameters are examined, namely, the embedment length of the interface reinforcement (consisting of reinforcing bars), the diameter of bars and the percentage of reinforcement, as well as the loading history imposed on the interfaces. The experimental results have shown that embedment lengths smaller than the development length of bars lead to unfavorable failure modes, as well as to small interface resistance. Independently of the values of the examined parameters, cycling of shear slips led to significant force response degradation during the third cycle, at least equal to 40%, as compared to the response of the first cycle. This is a typical feature that should be adequately taken into account in the design of interfaces expected to be subjected to cyclic deformations.
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Data Availability Statement
All data that support the findings of this study are available from the corresponding author upon reasonable request.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 149 • Issue 6 • June 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Jun 8, 2022
Accepted: Feb 1, 2023
Published online: Apr 12, 2023
Published in print: Jun 1, 2023
Discussion open until: Sep 12, 2023
ASCE Technical Topics:
- Bars (structure)
- Concrete
- Design (by type)
- Embedment
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Joints
- Live loads
- Load factors
- Load history
- Materials engineering
- Mathematics
- Parameters (statistics)
- Reinforced concrete
- Static loads
- Statics (mechanics)
- Statistics
- Structural design
- Structural engineering
- Structural members
- Structural systems
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