Predicting performance of impact hammers from rock quality designation and compressive strength properties in various rock masses

• Published in: Tunnelling and underground space technology Vol. 59; pp. 38 - 47
• Main Authors: Tumac, Deniz, Hojjati, Shahabedin
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2016
• Subjects: Impact hammer; Instantaneous breaking rate; Performance prediction; Rock quality designation; Uniaxial compressive strength; Performance prediction; Instantaneous breaking rate; Impact hammer; Rock quality designation; Uniaxial compressive strength

•Performance of an impact hammer used in Levent-Hisarüstü tunnel was recorded.•The instantaneous breaking rate (IBR) of the machine was determined.•Multiple regression technique is used for predicting the IBR of the impact hammer.•A new model is suggested for predicting the performance of impact ham...