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O-Cell Bi-Directional Load Testing

Fugro Loadtest is the exclusive provider of O-Cell testing equipment and services worldwide and the only organisation licenced to use O-Cell technology.

As deep foundation elements and individual projects grow larger and more complex, Fugro Loadtest delivers answers critical to long-term performance. The O-Cell was developed to meet the construction industry’s need for an innovative method to test high capacity piles. Recognising this need, Fugro Loadtest introduced this unique method of deep foundation load testing. Through our network of regional and global offices, we have been involved in numerous world class projects in over 68 countries. As a direct result of O-Cell technology and Fugro Loadtest, many ultra-high capacity piles are being designed today.

Pile capacities exceeding 130 MN (30,000 kips) or more are becoming common. Twenty years ago such piles were rare. Fugro Loadtest have tested numerous piles over 130 MN and holds the current World record of 320 MN (72,100 kips). When testing barrettes, we have mobilised 363 MN in a single barrette and the maximum load mobilised simultaneously at a common single level in a group of three adjacent barrettes was 300 MN (100 MN is each barrette). Load tests to over 440 MN (100,000 kips) are obtainable. The ability to test these mega-piles and barrettes is critical to their safe and efficient design.

Fugro Loadtest possesses the world's largest international load test database and the knowledge that comes with over twenty years of experience. We leverage this knowledge to help design the optimal load test program and ultimately the most efficient deep foundation for the project. This helps to manage geotechnical risk; a true benefit to project stakeholders. No one else in the world can offer a similar advantage.

O-Cell bi-directional load testing is two full scale static loading tests performed simultaneously and can be performed in both preliminary (expendable) or working foundations. To restore the structural integrity after testing, the foundation element can be grouted up, thus allowing the foundation element to be integrated into the structure.

Fully compliant with the ASTM D8169/D8169M-18 specification.

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