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Appl. Sci. 2016, 6(11), 317; doi:10.3390/app6110317

Structural Performance of Steel Pile Caps Strengthened with Perfobond Shear Connectors under Lateral Loading

1
Institute of R&D, Ji Seung Consultant Co., Ltd., Seoul 06128, Korea
2
Korea Institute of Civil Engineering and Building Technology, Goyang 10223, Korea
3
Hyundai Engineering Co. Ltd., Seoul 03058, Korea
4
Department of Architectural Engineering, Kyung Hee University, Yongin 17104, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Stefano Invernizzi
Received: 7 September 2016 / Revised: 12 October 2016 / Accepted: 19 October 2016 / Published: 26 October 2016
View Full-Text   |   Download PDF [3676 KB, uploaded 26 October 2016]   |  

Abstract

The conventional strengthening strategy on the connection between the steel pile cap and reinforced concrete footing requires a series of complicated processes such as the distribution of reinforcing bars, their anchorage into concrete, and the usage of shear keys. This study investigates the structural performance of steel pile caps strengthened with newly proposed perfobond shear connectors subjected to lateral loading. Test parameters include the type of perfobond shear connectors, infilled concrete depth, and the number of L-shaped steel plates. The applied load versus deformation curve is plotted for all specimens, and their failure modes are identified. The effects of the test parameters on the peak load are examined in this work. From the results of this study, it can be confirmed that the proposed perfobond shear connector can be utilized as an alternative to the conventional steel pile cap strengthening method using steel rebars. View Full-Text
Keywords: steel pipe pile; perfobond connector; concrete footing; pile cap; bending resistance steel pipe pile; perfobond connector; concrete footing; pile cap; bending resistance
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MDPI and ACS Style

Kim, Y.-H.; Kang, J.-Y.; Kim, S.-H.; Kim, D.-J. Structural Performance of Steel Pile Caps Strengthened with Perfobond Shear Connectors under Lateral Loading. Appl. Sci. 2016, 6, 317.

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