A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Explosion-proof air doors were constructed for a minimum explosion pressure (on all sides) of about 10 bar. The air doors were installed in explosion-proof short dams. Doors for both haulage and manriding roads were investigated. The doors thus developed were satisfactory with regard to explosion proofness and functionality. Less positive results were obtained with protective waggons to protect miners against shock pressures, e.g. from gas/coal outbursts. It was impossible to obtain waggons that were both pressure-tight and gas-tight. At a given maximum explosion pressure of about 1 bar, pressures inside the waggon still amounted to 100 to 200 mbar instead of the desired 10 to 20 mbar. (ERA citation 11:049760)
Explosion-proof air doors were constructed for a minimum explosion pressure (on all sides) of about 10 bar. The air doors were installed in explosion-proof short dams. Doors for both haulage and manriding roads were investigated. The doors thus developed were satisfactory with regard to explosion proofness and functionality. Less positive results were obtained with protective waggons to protect miners against shock pressures, e.g. from gas/coal outbursts. It was impossible to obtain waggons that were both pressure-tight and gas-tight. At a given maximum explosion pressure of about 1 bar, pressures inside the waggon still amounted to 100 to 200 mbar instead of the desired 10 to 20 mbar. (ERA citation 11:049760)
Analysis of Underground Structures That Remained Operative after Explosion. Final Report
W. Kleine (author)
1985
84 pages
Report
No indication
English
Heating of medium after underground explosion
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