Slurry Walls / Barrettes

Loadtest has been engaged on several barrette projects and has developed an efficient, cost effective method for full scale static load testing of barrettes using the O-cell method.

Barrettes are often used as a single load carrying foundation element capable of sustaining very high loads. Full scale static loading from the top has often been impossible. Large loads and deep foundations are not a problem with bi-directional testing and the arrangement of the O-cells can be selected to evenly distribute the load across the barrette. Multiple O-cells are placed in series to test the rectangular panel sections

Since O-cells can be placed at any vertical location within the cage, it is possible to measure load distribution for specific strata or foundation levels. Instrumentation may be installed which can also allow the stress distribution throughout the barrette to be determined.

The O-cell method makes it possible to test the barrette when the concrete level is far below construction level. So, where the concrete of the barrettes is terminated at basement level, testing can take place from ground level, prior to excavation. This is vital for preliminary testing to prove design.

Test Results

Slurry Walls / Barrettes

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