The authors have designed a stand with a pendulum drop hammer to model the hammer head-impact tool-rock mass interaction. The rock mass is simulated by an adjustable gas-liquid dampener, metal plate and marble block. The comparison analysis includes measured impact pulses in the striking head and impact tool, and the influence of the striking head velocity recovery factors on interaction of the striking head and impact tool with the dampener and rock block.
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Gorodilov et al. (2013) studied this question.
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