17_HWKTTE 4004c - 7 Nevertheless, the prediction by the...

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7 Nevertheless, the prediction by the Wave Equation (blow count criteria) could be adjusted to match the resistance determined from the static or dynamic load tests, or both. Wave equation The FDOT Specifications recommends to use the WEAP program to predict the pile capacity. This program allows the engineer to evaluate other aspects of the driving process. In the following paragraphs, a description of these aspects will be presented. Evaluation of driving system . Evaluate the suitability of the driving system (including hammer, follower, capblock and pile cushions. The driving system must be capable of driving the pile to a resistance of 3.0 times the design load, plus the scour and down drag resistance or the ultimate resistance, whichever is higher. Determine pile driving resistance . The pile driving resistance, in blows per 250 mm or blows per 25 mm could be determined. The required driving resistance is defined as the design load multiplied by the appropriate factor of safety plus the scour and down
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17_HWKTTE 4004c - 7 Nevertheless, the prediction by the...

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