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| | Abstract | | The authors have been doing a study on evaluation method of rock slope stability by remotely-positioned Laser Doppler Vibrometer. We have carried out a field experiment at a rock slope along a JR railway. We used three LDV so that the three dimensional movement of the target rock block could be observed. As the results of Laser Doppler Vibrometer measurements, we have found that the dominant frequency of the block was about 29Hz. Although the quantitative analyses are to be done in future, we will continue to research for obtaining the relationship between vibration characteristics and mechanical stability of rock blocks. |
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