Results 61 - 70 of 96

• Drill Monitor With Strata Strength Classification in Near-Real Time
  7/1/2002 - Reports of Investigations
  The process of drilling and bolting the roof is currently one of the most dangerous jobs in underground mining, resulting in about 1,000 accidents with injuries each year in the United States. Researchers from the Spokane Research Laboratory of the Nat...
• A Summary of Fatal Accidents Due to Flyrock and Lack of Blast Area Security in Surface Mining, 1989 to 1999
  2/1/2002 - Conference papers
  This paper summarizes flyrock and blast area security fatalities from 1989-1999, examining causative factors. Accident data indicates that flyrock and lack of blast area security were primary causes of blasting related injuries in surface mining.
• Chemical and Physical Factors that Influence N0x Production During Blasting: Exploratory Study
  2/1/2002 - Conference papers
  Report on a NIOSH study to identify factors that may contribute to nitrogen oxides (NOx) production associated with non-ideal detonation of blasting agents.
• Ignition Hazard From Internally-generated H2 in Sealed Mining Equipment
  7/1/2001 - Peer reviewed journal articles
  A number of ignition incidents involving mining and farm equipment have illustrated the surprising danger of drilling, cutting, or otherwise penetrating sealed compartments or frames that are filled with metal scrap for ballast.
• Flyrock Issues in Blasting
  2/1/2001 - Conference papers
  A compilation of the primary causes of flyrock in surface mining blasting operations and reasons a safe blast area was not secured.
• Factors Affecting Fumes Production of an Emulsion and ANFO/Emulsion Blends
  1/1/2001 - Conference papers
  Study of toxic fumes produced by the detonation of ANFO/emulsion blends. An extension of previous ANFO fumes production research that includes an emulsion blasting agent.
• Technology News 484 - Devices to Monitor Blind Spots Near Large Haulage Equipment
  1/1/2001 - Technology News
  CDC/NIOSH Technology News brief on several technologies available to monitor the blind spots of large haulage equipment.
• Improved Dust Control for Bag Handlers
  4/1/2000 - Peer reviewed journal articles
  A recent report evaluating silica exposure levels in the metal/nonmetal mining industry noted that bag packaging and loading are some of the occupations at the greatest risk.
• Concluding Evaluation of a Continuous Haulage Guidance Sensor
  10/1/1998 - Reports of Investigations
  One of the applications of enabling technology for remote-controlled mining to protect miners is the use of a guidance system on the continuous haulage equipment so that it follows the continuous mining machine that extracts the coal.
• The Calculated Risk of Experiencing a Lightning Caused Unplanned Detonation
  2/1/1998 - Conference papers
  This paper presents data and theorem to calculate the risk of experiencing undesirable lightning related events while blasting or while engaged in other lightning sensitive activities. The paper provides an overview of lightning hazards in blasting oper...