Development of Technology to Improve Hammering Test
By N. Utagawa, M. Yasunaga and T. Sugimoto
Concrete Journal, Vol.55, No.6, Jun. 2017
- Synopsis
- In bridges and tunnels, hammering tests are carried out to prevent damage to third parties caused by spalling of concrete pieces. The hammering test is a technique for checking for defects. Using an aerial inspection platform to access the concrete surface, the inspector directly taps the surface of the concrete with a hammer and listens to the generated sound. This technique has the disadvantages of not yielding objective results and being dangerous and arduous. Here, we introduce a quantification technology of impact acoustic method using artificial intelligence, and inspection automation technology using non contact acoustic inspection method as alternative methods to the hammering test.
- Keywords:
- impact acoustic method, separation and falling, artificial inteuigence, automation technology. self-organizing map, non contact acoustic inspection method, laser doppler vlbrometer
