List of products by author: P. Segarra

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  Assessment of drilling deviations in underground construction

  Abstract: Besides gathering information of the drill/rock interaction, the drill monitoring system commonly known as MWD (Measurement While Drilling) gives measures of the collaring and, from the length and the drill angles, the theoretical end position of the blasthole. Since the trajectory of the drill is not measured, deviations are not accounted with the result that the actual spatial position of the...

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  MWD parameters and Drilling Control system

  Abstract: Drill monitoring systems use sensors installed along the drill string to provide digital signals that measure the performance of the drilling machine. Drill parameters are automatically adjusted by a control system in order to optimize the operation. Understanding their mutual relations and how the drilling machine controls them is required for a proper rock mass characterization. This paper...

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