Ground Characterization and Roof Mapping: Online Sensor Signal-Based Change Detection

Details

• Personal Author:
  Asok R ; Bahrampour S ; Collins C ; Naeimipour A ; Rostami J ; Asok R ; Bahrampour S ; Collins C ; Naeimipour A ; Rostami J
• Description:
  Measurement while drilling systems are becoming an important part of excavation operations for rock characterization and ground support design that require reliable information on rock strength and location & frequency of joints or voids. This paper focuses on improving rock characterization algorithms for instrumented roof-bolter systems. For this purpose, an improved void detection algorithm is proposed, where the underlying theory is built upon the concept of mean change detection based on the feed pressure signals. In addition, the application of acoustic sensing for void detection is examined and it is shown that the variance of the filtered acoustic signal is correlated to the strength of the material being drilled. The proposed algorithm has been validated on the data collected from full-scale drilling tests in various concrete and rock samples at the J. H. Fletcher facility. [Description provided by NIOSH]
• Subjects:
  Mining Occupational Health Safety
• Keywords:
  Algorithms Author Keywords: Measurement While Drilling Systems Geotechnical Engineering Ground Stability Online Change Detection Rock Mechanics Roof Bolts Roof Mapping Sensors Underground Mines Void Detection

  More +
• ISSN:
  2095-2686
• Document Type:
  Text
• Funding:
  Contract
• Genre:
  Journal Article ; Journal Article
• Place as Subject:
  OSHA Region 3 ; Pennsylvania ; West Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH) ; National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health ; Workplace Safety & Health
• Location:
  North America ; North America
• Volume:
  25
• Issue:
  6
• NIOSHTIC Number:
  nn:20069266
• Citation:
  Int J Min Sci Technol 2015 Nov; 25(6):905-913
• Contact Point Address:
  Jamal Rostami, Department of Energy and Mineral Engineering, The Pennsylvania State University, PA 16802, USA
• Email:
  jur17@psu.edu
• Federal Fiscal Year:
  2016
• Performing Organization:
  Pennsylvania State University
• Peer Reviewed:
  True
• Start Date:
  20110929
• Source Full Name:
  International Journal of Mining Science and Technology
• End Date:
  20160929
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:1eb0bfdbfc8f5c5b81fdb065475e40ce5476a9a888529400eb6fbcc71d5bf0118d704e5ee8f8deb604ab193d9724d92bbd3d9879448a792e9e4b7e2fcbaaa58d
• Download URL:
  https://stacks.cdc.gov/view/cdc/207772/cdc_207772_DS1.pdf
• File Type:
  [PDF - 1.84 MB ]