Encyclopedia of Earthquake Engineering

2015 Edition
| Editors: Michael Beer, Ioannis A. Kougioumtzoglou, Edoardo Patelli, Siu-Kui Au

Laser-Based Structural Health Monitoring

  • Hoon SohnEmail author
  • Byeongjin Park
Reference work entry
DOI: https://doi.org/10.1007/978-3-642-35344-4_86

Synonyms

Damage detection; Laser Doppler vibrometer; Laser scanning; Laser thermography; Laser ultrasonics; Light detection and ranging; Nondestructive testing; Structural health monitoring

Introduction

With an average occurrence rate of 20,000 events worldwide every year, earthquakes have produced innumerable fatalities and economic loss (Fig. 1). For example, the recent Haiti earthquake (2010) was responsible for at least 300,000 injuries, 316,000 deaths, and 300,000 destroyed houses. There is a high demand for rapid and real-time health evaluation of post-earthquake structures as it is critical to distinguish which structures are inhabitable and serviceable and which are damaged and unavailable anymore. However, current evaluation methods are labor intensive, time consuming, and not cost effective.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Department of Civil and Environmental EngineeringKorea Advanced Institute of Science and Technology (KAIST)Yuseong-Gu, DaejeonRepublic of Korea