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Tests of gas masks and respirators for protection from locomotive smoke in railroad tunnels with analyses of tunnel atmospheres

Using precast reinforced-concrete sets in the Pioneer Tunnel of Great Northern Railway's Cascade Tunnel, King County, Wash.

Analysis of tunnel support structure with consideration of support-rock interaction

Published Year

• 1920-1929 (1)
• 1950-1959 (1)
• 1970-1979 (1)

Subject

• Tunnels (3) *
• Gas masks (1)
• Gases, Asphyxiating and poisonous (1)
• Mining engineering (1)
• Precast concrete (1)
• Rock pressure (1)

Author

• Dixon, J. D. (1)
• Fieldner, Arno Carl, (1)
• Katz, S. H. (1)
• Kinney, S. P. (1)
• Parsons, Edward W. (1)

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