- Diseases and injuries
- Equipment, tools, and parts
- Geographic regions
- Geologic conditions and events
- Hazard prevention and control
- Hazards and exposures
- Mine locations, excavations, and structures
- Mining types and methods
- Population groups
- Products and materials
- Research disciplines
- Research methods and measures
- Tasks and activities
- Document types
Results 81 - 90 of 142
Installation of a Digital, Wireless, Strong-Motion Network for Monitoring Seismic Activity in a Western Colorado Coal Mining Region4/1/2007 - Conference papersThis paper describes a seismic monitoring network that has recently been installed in the North Fork Valley coal mining region of western Colorado as part of a NIOSH mine safety technology transfer project with two longwall coal mine operators.
A Technology Review of Smart Sensors with Wireless Networks for Applications in Hazardous Work Environments4/1/2007 - Information CircularsThe major focus of this report is on smart sensors and wireless sensor networks. The "Future Research" section pulls together the three critical technologies by proposing applications that are relevant to mining.
An Evaluation of Microseismic Activity Associated with Major Roof Falls in a Limestone Mine: a Case Study2/1/2007 - Conference papersThe goal of this study was to review periods of elevated microseismic activity and determine whether fracture activity rate can be used to anticipate roof falls. The results showed that limited success would be achieved by such a system.
12/1/2006 - Peer reviewed journal articlesThis paper presents the results of NIOSH research to identify state-of-the-art bulkhead designs, including design criteria, leakage monitoring systems, and emergency warning systems.
6/1/2006 - Peer reviewed journal articlesRecent advances in technology have enabled the development of a small, portable, data-logging particle monitor, modified from commercial smoke alarm technology, that can meet the needs of surveys in the developing world at reasonable cost.
4/1/2006 - Reports of InvestigationsThis paper summarizes developments in the application of ground-based radar to slope stability monitoring and presents information on NIOSH-sponsored experiments recently completed.
This paper serves as an overview to remind and/or instruct readers about gas-sampling methodologies and gas analyses to assist in determining the status of underground atmospheres.
12/1/2005 - Information CircularsThe purpose of this study was to compare calibration gas cylinders having balance gases of nitrogen or air that are commonly used to calibrate portable NO2 gas monitors. Because even low concentrations of NO2 can have an extremely adverse effect on ind...
8/1/2005 - Conference papersMonitoring technology and techniques can provide a means to warn of hazardous roof fall conditions. Measuring roof deflection is the most common method of detecting roof instabilities.
6/1/2005 - Conference papersThis study used microseismic emissions to help identify three local rock failure processes. It was also shown that analysis of microseismic emissions can aid in assessing the degree of instability associated with these local rock failure processes.