Description
PSI uses the well-known Parallel Seismic method to establish the depth of existing foundations (specifically for a pile or deep foundations) where the superstructure (i.e. existing building) precludes access to the pile heads.
It is sometimes the only pile integrity test that can be prefromed.
The test requires the installation of a plastic access tube in parallel, and as close as possible, to the tested pile. The tube should be carried down to a depth exceeding the assumed pile length by a margin of 8m-10m and filled with water. In unsaturated soils, the tube should be firmly grouted in the hole to achieve good coupling with the surrounding soil.
System Components:
(1) PSI instrument
(2) Sledgehammer with a trigger switch
(3) Digital depth meter
(4) Hydrophone
PSI2 is compliant with the following standards:
AFNOR NF P94-160-3 and ASTM D8381-21
Advantages:
- Ease of use: It is usually self–taught in less than a day. No additional expensive training is needed.
- Connects to any PC/Laptop via a standard USB port.
- Interpretation assistance and Second Opinion Services (SOS) are included.
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