floor burst

floor burst

[′flōr ‚bərst]
(mining engineering)
A type of outburst in longwall faces which is preceded by heavy weighting due to floor lift; gas evolved below the seam collects beneath an impervious layer of rock, and a gas blister forms beneath the face, giving the observed floor lift; later, the floor fractures and the firedamp escapes into the mine atmosphere.
References in periodicals archive ?
"This did not happen and a pipe on the hospital's fourth floor burst. This flooded the lower floors."
In the Triangle fire, the bits of thread and cloth scattered on the floor burst into flames.
"I've seen $900,000 homes where the forced hot water heater on the second floor burst and there's water all through the house," Mr.
A pipe in the ceiling of the second floor burst during the night of Dec.
30 am when an electric meter on the fourth floor burst into flames.