A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Investigation into design of room and pillar workings in rock salt
Study of physical behavior of rock salt under rapid loading conditions and on long-term testing; influence of time dependency factor in relation to width/height ratios of specimens and their comparison with physical dimensions of pillars in mine; "time-safe-strength" of rock materials is related in first approximation to dimensions of pillars of varying width/height ratio; graphical solution relates mean stress on pillars due to cover load to percentage of extraction, width/height ratio of pillars, height of extraction, room span and pillar width; application of underground instrumentation to determine strain rates in pillars and strata control measurements.
Investigation into design of room and pillar workings in rock salt
Study of physical behavior of rock salt under rapid loading conditions and on long-term testing; influence of time dependency factor in relation to width/height ratios of specimens and their comparison with physical dimensions of pillars in mine; "time-safe-strength" of rock materials is related in first approximation to dimensions of pillars of varying width/height ratio; graphical solution relates mean stress on pillars due to cover load to percentage of extraction, width/height ratio of pillars, height of extraction, room span and pillar width; application of underground instrumentation to determine strain rates in pillars and strata control measurements.
Investigation into design of room and pillar workings in rock salt
Min Engr
Potts, E.L.J. (author)
1964
21 pages
Article (Journal)
English
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