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Line 2: The procedure is based on the [[Case Method]] of pile testing and is standardized by ASTM D4945-00 Standard Test Method for [[High Strain Dynamic Testing]] of Piles. It may be performed on [[pile\|driven piles]], drilled shafts and other cast in place foundations. In addition to bearing capacity, Dynamic Load Testing gives information on resistance distribution (shaft resistance and end bearing) and evaluates the shape and integrity of the foundation element. The Dynamic Load Test involves a substantial ram mass that impacts the top of the foundation and causes it to experience at least a small permanent set. [[accelerometer\|Accelerometers]] and strain transducers attached to the foundation obtain data that is converted to force and velocity readings. The data is analyzed by a commercial software program to yield the foundation end bearing capacity, resistance distribution along the shaft, as well as to simulate a static load test. 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.

Dynamic load testing: Difference between revisions