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Development of Hybrid FRP-Concrete Composite Compression Members
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Development of Hybrid FRP-Concrete Composite Compression Members

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Abstract:

The concrete-filled steel tubes have been widely used in buildings and civil structures. However the corrosion of the steel tubes results in the loss of load carrying capacities of the members and, therefore, there is a need for regular maintenance. To mitigate such maintenance issues and prevent the loss of load carrying capacity, FRP composite were suggested as the candidate material. A number of research works has shown that the use of FRP tubes produced by filament winding technique was very effective on the improvement of compressive strength of the concrete-filled FRP tubes (CFFT). However the filament wound FRP tubes did mot contribute to the increase of the flexural strength of a CFFT. In this paper, a new type of FRP tube which consists of several pultruded open sections assembled by filament winding technique is proposed to improve compressive strength as well as flexural strength of a CFFT. The load carrying capacity of proposed CFFT is discussed through the analytical investigation.

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Periodical:

Advanced Materials Research (Volumes 26-28)

Pages:

329-332

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.26-28.329

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Online since:

October 2007

Authors:

Hyung Joong Joo, Seung Sik Lee, Soon Jong Yoon, Ju Kyung Park, Kwang Yeoul Shin

Keywords:

CFFT, Confinement Effects, Filament Winding, FRP Composite Column, P-M Interaction, Pultrusion

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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