In this study, applicability of the excavatability classification systems in underground excavations is investigated. For this purpose, the entrance portal of the Konakönü (Araklı-Trabzon) tunnel, excavated in volcanic rocks within the scope of Black ...

<p>This document specifies the procedure that shall be followed when a Contractor or Permittee is proposing to blast. By following this procedure, the Engineer-In-Charge or the Permit Engineer can help ensure that the Contractor accomplishes the work in a ...

This paper presents results of a project undertaken to monitor, review and optimize the trim blasting and pre-splitting processes at Orapa Diamond Mine in Botswana. The project was specifically incepted to improve the final wall conditions, which continued ...

This paper addresses application of microseismic event monitoring system in excavation of highly stressed rock mass in underground oil storage caverns. The locations and magnitudes of microseismic events were determined using a network of 12 uniaxial sensors. ...