how many drillings are necessary? a case study …€¦ · how many drillings are necessary? a case...
TRANSCRIPT
Mag. Dr. Michael Premstaller
Premstaller Geotechnik ZT-GmbHZell am See - Hallein - Traunstein
How many drillings are necessary?
A case study from AUSTRIA
Project: two floor underground parking
Lake – dr ink ingwater qual i ty
Water protection no drainage dense excavation pit
short time quick, effective and safe construction
Hotel in operation safe underpinning