Smart Structures and Systems

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The needs for advanced sensor technologies in risk assessment of civil infrastructures

  • Fujino, Yozo (Department of Civil Engineering, The University of Tokyo) ;
  • Siringoringo, Dionysius M. (Department of Civil Engineering, The University of Tokyo) ;
  • Abe, Masato (BMC Corporation)
  • Received : 2008.05.30
  • Accepted : 2008.08.24
  • Published : 2009.03.25
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Abstract

Civil infrastructures are always subjected to various types of hazard and deterioration. These conditions require systematic efforts to assess the exposure and vulnerability of infrastructure, as well as producing strategic countermeasures to reduce the risks. This paper describes the needs for and concept of advanced sensor technologies for risk assessment of civil infrastructure in Japan. Backgrounds of the infrastructure problems such as natural disasters, difficult environment, limited resource for maintenance, and increasing requirement for safety are discussed. The paper presents a concept of risk assessment, which is defined as a combination of hazard and structural vulnerability assessment. An overview of current practices and research activities toward implementing the concept is presented. This includes implementation of structural health monitoring (SHM) systems for environment and natural disaster prevention, improvement of stock management, and prevention of structural failure.

Keywords

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