Central Link Light Rail – Beacon Hill Project

November 2004 at Seattle, Washington

Gallery

Method Applied

Bottom Feed Stone Columns

Average Depth

11m

Provide instant stability, accelerate drainage and prevent liquefaction for an up to 12 m (40 ft) high road embankment on soft to very soft silt and clay with some peat layers. Below an only 0.5 m dry crust, in some locations the soil is so soft that equipment as shown in the photo below would sink in without the presence of a geotextile reinforced work platform.