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Note on centrifuged models of excavations in rocks
Static stability of excavations in rocks is studies by method of centrifuged models; models consist of mixtures of cement, plaster of Paris, lime, sand and magnetite powder in various proportions such as to change density and strength of structures; models weighing up to 1.5 kg may be run in centrifuge at centripetal acceleration up to 3000 g; under body force corresponding to this strong acceleration, models of materials with considerable strength would collapse and thus reproduce unstable behavior of much bigger mines, tunnels and other cavities which collapse under weight of rocks.
Note on centrifuged models of excavations in rocks
Static stability of excavations in rocks is studies by method of centrifuged models; models consist of mixtures of cement, plaster of Paris, lime, sand and magnetite powder in various proportions such as to change density and strength of structures; models weighing up to 1.5 kg may be run in centrifuge at centripetal acceleration up to 3000 g; under body force corresponding to this strong acceleration, models of materials with considerable strength would collapse and thus reproduce unstable behavior of much bigger mines, tunnels and other cavities which collapse under weight of rocks.
Note on centrifuged models of excavations in rocks
Tectonophysics
Ramberg, H. (author) / Stephansson, O. (author)
Tectonophysics ; 2
1965
18 pages
Article (Journal)
Electronic Resource
English
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