Shinozaki, Hino, Aravinthan, Thiru, Pandey, Govinda Raj, and Mutsuyoshi, Hiroshi (2007) Advancements in retrofitting reinforced concrete structures in Japan using FRP sheets. In: Proceedings of the 23rd Biennial Conference of the Concrete Institute of Australia. pp. 563-571. From: Concrete 07: Design, Materials & Construction: concrete for the future, 18-20 October 2007, Adelaide, SA, Australia.

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Abstract

In Japan, many reinforced concrete bridge structures collapsed in the recent severe earthquakes such as the 1995 Hyogoken-Nanbu Earthquake and the 2004 Niigataken-Tyuetsu Earthquake were designed and constructed before the introduction of the new seismic resistant design codes in 1980. Following the lessons learnt from these severe earthquakes and the continuous advancements of the state of the art and practice, further stringent performance based earthquake resistant design codes for both highway and railway bridge structures are recently enforced in Japan. For many existing structures, to meet the requirements of these new codes, proper strengthening schemes must be implemented. Among various strengthening techniques, the application of fiber reinforced polymer (FRP) has recently drawn a wide attention due to its advantages such as high strength to weight ratio, corrosion resistance, and ease of execution. This paper introduces the current issues related to the deficient reinforced concrete structural members in Japan and provides an overview of latest innovations and advancements in the technology and application of FRP sheets in structural retrofitting. The focus of this paper is mainly on the retrofitting of bridge superstructures and substructures including decks, girders, frames, and columns.

Item ID:	3068
Item Type:	Conference Item (Research - E1)
ISBN:	0-909375-78-X
Keywords:	structural rehabilitation; retrofitting; concrete structures; FRP materials
Additional Information:
Date Deposited:	07 Oct 2009 04:21
FoR Codes:	09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 80% 09 ENGINEERING > 0905 Civil Engineering > 090502 Construction Engineering @ 20%
SEO Codes:	87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials @ 60% 87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870303 Polymeric Materials (e.g. Paints) @ 30% 87 CONSTRUCTION > 8704 Construction Processes > 870401 Civil Construction Processes @ 10%
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