Paper Title:
Advanced Seismic Countermeasures for Concrete Bridges by Using Polymer in Japan
  Abstract

Modern infrastructures such as viaducts, bullet train (Shinkansen) elevated tracks, and subway facilities in addition to houses and buildings were greatly damaged at the Hyogo-Ken Nanbu Earthquake that hit heavily populated urban cities in 1995. As a learning lesson from this earthquake, seismic countermeasures for civil infrastructures have been rapidly reviewed and implemented. In this study, damage of bridge structures due to this strong earthquake was reported and the current effective seismic retrofit of concrete columns and bridge-falling prevention systems by use of concrete polymer composites in Japan were introduced. Two main seismic countermeasure methods were introduced and discussed: Steel plate and fiber jacketing methods for existing reinforced concrete piers/columns, and unseating devices for bridge-falling prevention. Both these countermeasures use epoxy resin as essential component.

  Info
Periodical
Edited by
José Aguiar and Lech Czarnecki
Pages
207-214
DOI
10.4028/www.scientific.net/KEM.466.207
Citation
M. Kawakami, F. Omata, J.’ichi Iketani, S. Matsuoka, "Advanced Seismic Countermeasures for Concrete Bridges by Using Polymer in Japan", Key Engineering Materials, Vol. 466, pp. 207-214, 2011
Online since
January 2011
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$32.00
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