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High Strain Dynamic Test

High Stain Dynamic Load Testing (HSDLT) of piles is a fast and effective method of assessing foundation bearing capacity that requires instrumenting a deep foundation with accelerometers and strain transducers and analyzing data collected by these sensors. The procedure is based on the case method of pile testing and is standardized by ASTM D4945-08 Standard Test Method for High Strain Dynamic Testing of Piles. It may be performed on driven piles, drilled piles and other cast in place foundations. In addition to bearing capacity, Dynamic Load Testing gives information on resistance distribution (pile resistance and end bearing) and evaluates the shape and integrity of the foundation element. The foundation bearing capacity results obtained with dynamic load tests correlate well with the results of static load tests performed on the same foundation element.


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