Ground Improvement

Pennsylvania State Police Headquarters

PA State Police HQs, vibro stone columns, vibrocompaction contractor, aggregate piers, aggregate piers contractor, ground improvement

Subsurface Constructors installed 383 vibro stone columns for the Pennsylvania State Police Headquarters in Philadelphia, Pennsylvania. The site consisted of sand and silt with an average depth range of 20 to 40 feet, sandy soil with an average depth range of 4 to 6 feet and fill material with an average depth range of 2 to 8 feet. Upon project completion, the site could support a maximum bearing pressure of 5,000 pounds per square foot.

Project details:

Owner: Commonwealth of Pennsylvania
Geotechnical Engineer: NTH Consultants
General Contractor: Smith Construction
Services Provided: Ground improvement, stone columns
Year: 2014
Location: Philadelphia, Pennsylvania

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