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Results 521 - 530 of 580
7/1/2001 - Peer reviewed journal articlesThe objective of this study was to systematically characterize the ergonomic hazards associated with excavating operations.
7/1/2001 - Peer reviewed journal articlesA 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.
6/1/2001 - Peer reviewed journal articlesThis paper describes laboratory experiments in a wind tunnel with a roll crusher to identify relationships among crushing parameters, product size, coal rank properties and airborne dust generation.
Feasibility Study to Reduce Injuries and Fatalities Caused by Contact of Cranes, Drill Rigs, and Haul Trucks with High-Tension Lines5/1/2001 - Peer reviewed journal articlesOverhead electric power lines present a serious electrocution hazard to personnel in a variety of industries. There is a practical low-cost concept to detect actual contact of mobile equipment with a high-voltage line and provide a warning.
Dust Underfoot: Enclosed Cab Floor Heaters Can Significantly Increase Operator's Respirable Dust Exposure4/1/2001 - Peer reviewed journal articlesMany types of heavy equipment used in the mining and construction industries use enclosed cabs to protect equipment operators from dust and noise exposure. A cooperative research study with a mining company and a cab filtration company was conducted to...
3/1/2001 - Peer reviewed journal articlesCoal miners often handle heavy electrical power cables, weighing up to 10 kg per meter. These cables are manually lifted and attached to the mine roof to prevent damage from mobile underground equipment.
1/1/2001 - Peer reviewed journal articlesThis paper summarizes case studies where unusual circumstances required that a longwall retreat into or through previously driven rooms. Two types of roof failure are identified and discussed.
Application of Radio-Frequency Identification Systems to Collision Avoidance in Metal/Nonmetal Mines1/1/2001 - Peer reviewed journal articlesNew developments in radio frequency identification (RFID) systems show promise for reducing the number of collisions in mines. This paper describes tests conducted on off-the-shelf RFID systems and the subsequent development of a custom RFID system.
Suggestion of a Cause-and-Effect Relationship Among Coal Rank, Airborne Dust, and Incidence of Workers' Pneumoconiosis11/1/2000 - Peer reviewed journal articlesHealth research studies have identified that the risk of developing and the severity of CWP are directly related to the amount of respirable dust exposure and the coal rank. The Pittsburgh Research Laboratory is pursuing more in-depth studies of coal ch...
10/1/2000 - Peer reviewed journal articlesThis article reviews various dust control technologies developed over the years at the Pittsburgh Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) to provide various options and alternatives to lower bag machine o...