Computer simulations help determine safe vertical boom speeds for roof bolting in underground coal mines

Article Abstract:

Three dimensional computer model that uses virtual human simulation software as the primary means to gather contact data when the boom arm touches the operators hand, arm, head or leg is developed. It is shown that boom speeds greater than 13 in/sec result in a substantial increase in risk to the roof bolter operator of making contact and speed less than or equal to 13 in/sec are associated with a more modest relative risk of making contact, which represents a decrease in potential hazard.

General services, Methods, Usage, Safety and security measures, Coal mining, Computer simulation, Computer-generated environments, Mine safety

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Physical limitations and musculoskeletal complaints associated with work in unusual or restricted postures: A literature review

Article Abstract:

Physical capabilities of workers in postures such as kneeling, stooping, squatting, or lying down for significant periods of the workday were assessed along with the musculoskeletal epidemiology associated with these postures. Results reveal that work in unusual and restricted postures was associated with significantly higher rates of musculoskeletal complaints compared to workers not adopting these postures in epidemiology studies.

Health aspects, Risk factors, Posture, Musculoskeletal diseases

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The potential method-an economic evaluation tool

Article Abstract:

Potential, an instrument for economic analysis that incorporates different changes in conditions is introduced. This method produces more than 300 variables with much less input and is a good indicator of the effects of safety and health.

Finland, Analysis, Financial analysis, Cost benefit analysis

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