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Continue to ChatPredicting performance of impact hammers from rock quality designation and compressive strength properties in various rock masses - https://avesis.itu.edu.tr/yayin/02b8c044-acb7-4a1d-bece-dea96bf18c4d/predicting-performance-of-impact-hammers-from-rock-quality-designation-and-compressive-strength-properties-in-various-rock-masses