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For pertinent countermeasure ofrockfalls, rockfall simulation was carried out several times. Any of the rockfall simulation have not gotten similar esults consistently between the simulation result and real rockfall, because parameters of simulation are not exactly decided. The reason for that, is the mechanics of real rockfall is not clearly found out. This study suggests a method which most probable parameters are determined by measuring acceleration applied to rockfall. Using this method, mechanics model of simulation is adjusted, and these parameters will be derived by comparing accelerations of real rockfall and simulation. In this research, basic experiments are done for deciding parameters from acceleration applied to rockfall. It is researched how to change the acceleration in different experiment conditions, dropping height, mass and material.

Deliberation from Impact Acceleration Applied to Rockfall for Identification of Parameters on Rockfall Simulation