Pile integrity and load testing for highways project in Trinidad and Tobago.

Testconsult's pile testing expertise has been called for again on a key highway project in Trinidad and Tobago. Four 10,000KN dynamic load tests have been carried out using a 12 tonne drop weight and the SIMBAT system.

Tests were carried out on working piles, which contained areas of lower quality concrete inside the shaft, detected using Testconsult's SCXT sonic logging system. SCXT sonic logging systems use ultrasonic test signals to detect lower strength concrete over the full depth of pile.

Remedial work was carried out on the foundations using drilling and grout injection techniques. Piles were then dynamically tested by SIMBAT to beyond the working load to determine load carrying capacity.

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