A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Mine subsidence and support methods in Pittsburgh area
Case histories and experience obtained in solution of subsidence problems in Pittsburgh, Pa coal mining area; active mining at depths of 300 ft or more beneath surface, and subsidence associated with structures located over old mine workings at relatively shallow depths are dealt with; methods of support selected for structures located over old mines at shallow cover include grouting, construction of concrete piers within mine, drilled piers, and subsurface stabilization utilizing grout column construction. (18584)
Mine subsidence and support methods in Pittsburgh area
Case histories and experience obtained in solution of subsidence problems in Pittsburgh, Pa coal mining area; active mining at depths of 300 ft or more beneath surface, and subsidence associated with structures located over old mine workings at relatively shallow depths are dealt with; methods of support selected for structures located over old mines at shallow cover include grouting, construction of concrete piers within mine, drilled piers, and subsurface stabilization utilizing grout column construction. (18584)
Mine subsidence and support methods in Pittsburgh area
ASCE Annu Nat Meet -- Prepr
Gray, R.E. (author) / Meyers, J.F. (author)
ASCE Annual and National Meeting on Structural Engineering ; 1968 ; United States , Pittsburgh, PA
1968
38 pages
Conference paper
English
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