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<p>rock block onto the soil  The numerical models in particular provide the rock block passing height and kinetic energy that are necessary for designing passive mitigation structures.</p>

<p><big>Mitigation</big></p>
<p>Typically, rockfall events are mitigated in one of two ways: either by passive mitigation or active mitigation. Passive mitigation is where only the effects of the rockfall event are mitigated and are generally employed in the deposition or run-out zones, such as through the use of drape nets, rockfall catchment fences, galeries, ditches,</p><p>
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