Civil Engineering Association

Use of Composite Materials in Civil Infrastructure in Japan

Author: Vistasp M. Karbhari
Affiliation: Assistant Professor, University of California, San Diego

INTRODUCTION
For over 10 years now, the Japanese have pioneered the use of advanced fibers and polymer composites, initially within Japan itself, and more recently in Europe, Asia and the United States. Although the economic competitiveness of individual products may be unknown or questionable, each application provides a unique advantage because of the intrinsic properties of composites. Listing the reasons behind the rapid development and growth of these activities in Japan can shed light on why such advances have not taken place in the United States at the same rate, despite efforts (although isolated in most cases until recently) in similar areas

Table Of Contents
1. Introduction
Introduction
2. Short Carbon Fiber Reinforced Concrete
Background
Properties and Fiber Types
Applications
3. Reinforcing Elements for Concrete Structures
Introduction
Mechanisms of Collaboration
Carbon Fiber Based Linear Reinforcing Elements
Aramid Fiber Based Linear Reinforcing Elements
Grid Type Elements
Ground Anchors
Novel Material Shield-Cuttable Tunnel-Wall System: NOMST
4. External Fiber Tow/Fabric Reinforcement for Rehabilitation and Retrofit
Introduction - Materials and Processes
Mechanisms of Collaboration
Seismic Retrofit/Strengthening of Bridge Columns/Piers
External Strengthening of Bridge Girders and Deck Soffits
Retrofit/Strengthening of Buildings
Retrofit of Tunnels
Retrofit of Chimneys and Smokestacks
Retrofit of Other Structures
5. Overall Remarks and Conclusions
Organizational Structure
Collaborations for Research and Development
Review of Technology
Future Developments

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ISBN 1883712505

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