Subsurface Constructors
When desirable building sites are situated on weak or marginal soils and fills, the best solution is often a ground improvement program composed of vibro stone columns, vibro concrete columns, or vibrocompaction. Subsurface Constructors has the expertise to design and construct a cost-competitive ground improvement plan that greatly improves the bearing capacity and settlement performance of the site, in addition to helping mitigate seismic liquefaction. Our engineers design programs that closely fit project requirements and ensure that the appropriate remedy is chosen for each project.

Ground Improvement Capabilities:
  • Vibro Stone Columns
  • Vibro Concrete Columns
  • Vibrocompaction
  • Dynamic Compaction
  • Rapid Impact Compaction
Subsurface boasts the only Stratacaster vibro rigs in the United States. These small and mobile rigs allow for vibro stone columns to be installed via a top or bottom feed method using either an air or water flush. This specialty rig is suited to all types of sites and creates a significant performance advantage over free hanging vibroflots on speed, accuracy and pull down. In addition, the Stratacaster has a unique instrumentation and recording system that monitors depth and pressure, providing a means for continuous quality control.

Vibro Stone Columns and Vibrocompaction offer a low cost alternative to:
  • Aggregate Piers
  • Engineered Fill
  • Site Pre-loading
  • Drilled Shafts, Driven Pile and Augercast Piles
Advantages of Vibro Ground Improvement Methods Include:
  • Minimal to no spoils
  • Applicable to any soil type
  • Quick Installation
  • In-house engineering and design
  • Economic alternative to deep foundations
  • Significantly increases bearing capacity
Image: Sheboygan Read about this Ground Improvement Project...
Image: Lange-Stegman Learn about this Ground Improvement project...
Image: Peru NE Wheeler Center Learn about this Vibro Stone Column Project...
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