Damage Assessment in Japan and Potential Use of New Technologies in Damage Assessment

Kusunoki, K. (2021) Damage Assessment in Japan and Potential Use of New Technologies in Damage Assessment. In: Advances in Assessment and Modeling of Earthquake Loss.

Text (Proceeding) 2. Damage Assessment in Japan.pdf - Published Version Download (1MB)

Abstract

Right after an earthquake, it is quite important to evaluate the damage level of the buildings in the affected area. In Japan, a rapid inspection is conducted to evaluate the risk of collapse due to an aftershock. If any damage is detected, it is required to conduct damage classification, which takes time but categorizes its damage into five damage categories. Japan has a standard for both rapid inspection and damage classification. They are briefed in this chapter. Similar to the damage classification, the loss of the house and home contents for the earthquake insurance. The method for earthquake insurance is also introduced. Since they are based on visual inspection, it is quite difficult to investigate the damage of the high-rise buildings and buildings covered by finishing. Recently, many kinds of research are conducted to use sensors for automatic and realtime damage classification. A structural health monitoring method with accelerometers based on the capacity spectrum method, which is currently installed into more than 40 buildings, is also introduced.

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