PSI uses the well-known Parallel Seismic method to establish the length 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 performed.
For making reuse of old piles. Easy to run test.
Measures only the pile length under a structure.
Prevents nonvertical accelerometer mounting (common with the incumbent system) with fewer bolts.
Applications :
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 8-10 meters and filled with water. In unsaturated soil the tube should be firmly grouted in the hole to
achieve good coupling with the surrounding soil.
Key Features:
Reliable : 100% QA tests at 16-atmosphere pressure, vibration, and extreme temperature.
Easy to Use :• Usually, no training is needed, and the system can be self-taught in hours. (No expensive training days)
Top Performance : Up to 150m (450') deep,• A clean signal on 3m and more on solid concrete,• Highest SNR. Delivers the cleanest signal in the
industry.