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| | Abstract | | The authors have been doing a study on evaluation method of rock slope stability by remotely-positioned Laser Doppler Vibrometers, which is supported by the Program for Promoting Fundamental Transport Technology Research from the Japan Railway Construction, Transport and Technology Agency. We have carried out some physical model experiments, in which concrete blocks bonded to the concrete base with different contact area are considered as rock blocks on a rock slope. As the results of LDV measurements for the concrete blocks, we have found that the dominant frequency of a block varied with the stability of the block. 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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