Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Evaluation of Potential Fire Hazard Caused By Exposed Timber in Mine Passageways
The research involved testing to determine whether a fire hazard existed when the exposed wood surface area of timber in a mine passageway equals 40 percent of the surrounding strata surface, excluding the sill. Twelve full-scale fire tests were conducted in a simulated mine passageway, using kerosene pan fires as the ignition source. The tests included three timber sizes, plus one test with roof lagging, two wood types, plus one test with treated timbers, and two ventilation air velocities. The results showed that air velocity was an important factor in the occurrence of flame propagation and that 40 percent surface area ratio of wood to surrounding strata appeared to be a valid criteria for fire safety at 150 fpm, but not at 350 fpm.
Evaluation of Potential Fire Hazard Caused By Exposed Timber in Mine Passageways
The research involved testing to determine whether a fire hazard existed when the exposed wood surface area of timber in a mine passageway equals 40 percent of the surrounding strata surface, excluding the sill. Twelve full-scale fire tests were conducted in a simulated mine passageway, using kerosene pan fires as the ignition source. The tests included three timber sizes, plus one test with roof lagging, two wood types, plus one test with treated timbers, and two ventilation air velocities. The results showed that air velocity was an important factor in the occurrence of flame propagation and that 40 percent surface area ratio of wood to surrounding strata appeared to be a valid criteria for fire safety at 150 fpm, but not at 350 fpm.
Evaluation of Potential Fire Hazard Caused By Exposed Timber in Mine Passageways
B. L. Warner (Autor:in)
1975
60 pages
Report
Keine Angabe
Englisch
Suitable measures for reducing fire hazard in mine timber
| Engineering Index Backfile | 1952
Suitable measures for reducing fire hazard in mine timber
| Engineering Index Backfile | 1952
| Online Contents | 2008