Current Status of Expansion Joints Used for Road Bridges in Japan and an Advanced Buried Joint

Makoto Kawakami; Fujio Omata; Atsushi Toyoda

doi:10.4028/www.scientific.net/AMR.1129.323

Paper Titles

Advanced Active Prestressed CFRP in RCC Structures
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Serviceability Behavior of Reinforcement Concrete Beams with Polypropylene and Steel Fibers
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Apparent vs. True Bond Strength of Steel and PC with Nanoalumina
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Comparison of Ordinary Pores with Internal Cured Pores Produced by Superabsorbent Polymers
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Current Status of Expansion Joints Used for Road Bridges in Japan and an Advanced Buried Joint
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Effect of Latex Film Distributions on Flexibility of Redispersible Polymer Powders Modified Cement Mortar Evaluated by SEM
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Effects of Long-Term Dry Curing on Strength Development of Initially Combined Wet/Dry-Cured and Steam-Cured Hardener-Free Epoxy-Modified Mortars
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Influences and Properties of Mortar Modified by Waterborne Polyurethane Latexes
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1129Current Status of Expansion Joints Used for Road...

Current Status of Expansion Joints Used for Road Bridges in Japan and an Advanced Buried Joint

Abstract:

Expansion joints are indispensable for bridges to allow movement due to temperature, creep and other elements. Leakage of water from expansion joints causes damages to girder ends, shoes and abutments which poses serious durability issues. To overcome this problem, a buried expansion joint composed of epoxy resin mortar and ultra high strength fiber reinforced concrete used as flat panel was newly developed and investigated. Mechanical performance such as the bending strength and fatigue characteristic of this expansion joint in addition to the basic properties of epoxy resin mortar was clarified. Furthermore the durability of this expansion joint was confirmed by field tests on an existing bridge.

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Periodical:

Advanced Materials Research (Volume 1129)

Pages:

323-330

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1129.323

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Online since:

November 2015

Authors:

Makoto Kawakami, Fujio Omata, Atsushi Toyoda

Keywords:

Epoxy Resin Mortar, Expansion Joint, Ultra High Strength Fiber Reinforced Concrete

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References

[1] Nippon Dohro Joint Association; Guideline of design of expansion joint, pp.4-6, (2014).

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[2] Japan Bridge Engineering Center; Proposed guideline of design and construction of no joint-ization structures in existing bridges, pp.1-17, (2014).

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[3] Japan Road Association; Specifications for Highway Bridges/Part I: Common, p.19, (2012).

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[4] Nippon Expressway Company Limited; Standard Design Specifications Vol. 2, Bridge Construction, pp.6-34, (2012).

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