Settlement Behavior of Embankment on Soft Ground Treated with Stepped Rigid Columns
T. Muttuvel; Patrick Wong Coffey Geotechnics Pty. Ltd, Chatswood, Australia
Limiting the differential settlement within a bridge approach embankment is of significant importance, particularly where the embankment is constructed over soft ground. A typical approach embankment consists of three treatment zones: (1) approach slab zone where only limited/stringent postconstruction settlement (PCS) is allowed, (2) transition zone to maintain differential settlement grade between the approach slab and general embankment zone, and (3) general embankment zone where higher PCS can be allowed depending on the adopted road pavement type. The appropriate ...
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