Earthquake resistant designLiquefactionSan Francisco Bay Area Rapid Transit DistrictTransbay TubeUnderwater tunnelsVibratory compactionThis article gives an overview of a seismic retrofit project designed for the BART Transbay Tube ...
Because of the low relative density of the backfill material around the tube and low unit weight of the tube, there were concerns that tube might suffer large deformation due to buoyancy forces if the backfill material liquefied in an earthquake. BART engaged Fugro West Inc., Oakland, CA to...
Because of the low relative density of the backfill material around the tube and low unit weight of the tube, there were concerns that tube might suffer large deformation due to buoyancy forces if the backfill material liquefied in an earthquake. BART engaged Fugro West Inc., Oakland, CA to...