| 释义 |
rockburst|ˈrɒkbɜːst|
Also rock burst.
[f. rock n.1 + burst n.]
A sudden, violent rupture or collapse of highly stressed rock in a mine.
1928Daily Mail 3 Aug. 18/1 The rockburst at a depth of nearly 5,000ft. in the City Deep mine that has..caused the deaths of two Europeans and eleven natives, is described as one of the biggest pressure bursts experienced on the Rand goldfield. 1942Mine & Quarry Engin. VII. 233/1 One of the major problems of mining at depth lies in the occurrence of rockbursts. 1946C. B. Jeppe Gold Mining on Witwatersrand I. x. 790 ‘Pressure bursts’ or ‘rock bursts’..major effects of excessive differential stresses. 1967New Scientist 14 Dec. 678/1 The success of US and Soviet workers in predicting rockbursts underground. 1978Mining Equipment Internat. June 17/1 Rockbursts currently account for about 80% of South African underground mine fatalities. |