Case Studies

Dallas Parking Garage Void Fill

Erosion around three-story, in-ground parking garage in Dallas’ uptown area required void-fill around its structural piers
About The Project
Contractor Eden Structural Solutions
Project Location Dallas, TX
Product Used Terrathane™ 24-003

Problem

  • Erosion around three-story, in-ground parking garage in Dallas’ uptown area caused a large void surrounding its structural piers
  • A five-foot cavity was found via an observation shaft, which was found to be caused by water which had gone through the block wall

Solution

  • Utilize the TerraThane™ 24-003 Geotechnical polyurethane to voidfill and stabilize the pier and void
  • Use Boroscopeand GPR to help determine overall void and cavity dimensions Utilize a 5/8” vinyl tube behind the block to guide the 24-003 To the problem location

Results

  • The 24-003 polyurethane helped fill both the large and small voids, prevent future water and silt infiltration, and minimize weight added to the area
  • Two month installation with minimal disruption
  • Minimize costs of traditional methods that would have cost $2M and loss of parking revenues due to disruption

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