Volume 3 of 6
Geopiers (aka Rammed Aggregate Piers) are critical in constructing the Dana Point Harbor parking structure. GMU is responsible for the quality control (QC) of the Geopiers, helping to confirm that they are installed correctly and perform as expected.
Geopiers work by densifying and reinforcing the soil, reducing settlement, and increasing the load-bearing capacity. This technology is instrumental in areas with challenging soil conditions, providing a reliable foundation for constructing the parking structure. At the Harbor, the soils below the parking structure were highly variable, with soft and loose layers. In addition, a high tidal-influenced water table limited corrective grading options. Geopiers were selected to improve uniformity, reduce settlements, and increase bearing (and save concrete costs due to reduced footing sizes).
"The installation of Geopiers was a critical step with regard to the long-term geotechnical performance of the parking structure. GMU’s quality control is critical to the structure’s settlement tolerance and performance."
- GMU Engineering Team.
Visit www.GMUgeo.com for more information about GMU's role in the Dana Point Harbor parking structure project and other projects. #GMUgeo #GMUengineersandgeologists #TeamGMU Structural Engineers Association of California (SEAOC) The American Institute of Architects (AIA) National Asphalt Pavement Association ASCE Orange County Calgeo Geo-Institute of ASCE
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