| Budget Amount *help |
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Research Abstract |
The researcher in charge of this project had proposed the AE tomography (AET) technique, combining the AE method and the Tomography technique. In the AET, two principal concepts had been introduced: the improvement of AE source location technique and the estimation technique of velocity distribution based on the AE sources. Then in consideration with these two principals two-dimensional AE tomography program has been established. And the AET has been applied RC plate fracture tests in laboratory, followed by the in-situ investigation of deteriorated concrete deck of high speed railway. Through these applications it was clarified that AET had a great potential to reasonably visualize the damage in the materials or structures. In the next step, the program will be improved to be able to implement 3-dimensional applications. And further modification will be made to correspond to plate structures having velocity dispersion.
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