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95_HWKTTE 4004c - 85 8000 7000 6000 5000 4000 3000 Number...

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85 0 1000 2000 3000 4000 5000 6000 7000 8000 0 1000 2000 3000 4000 5000 6000 7000 8000 Davisson Capacity (kN) Number of Cases = 18 Mean = 1.09 Std. Dev. = 0.35 COV = 0.32 Figure 7-7. Davisson Capacity vs. PDA Rmax Capacity (used in Method 1) The total dynamic capacity was obtained using the Case solution for time T 1 located at the maximum force entering the pile. Then, the tip and the tip to skin ratio were calculated using Equations 7-2 and 7-3. With this tip to skin ratio and the PDA R max the static skin and tip capacity for the Method 1 were calculated. A series of figures show the results from the three methods studied, i.e. CAPWAP, Method 1 (using PDA Rmax), and the suggested method in comparison with the measured capacity. Figure 7-5 shows the Davisson’s capacity versus the estimated capacity by the suggested method. The CAPWAP estimated capacity versus the Davisson’s capacity is presented in Figure 7-6, and the same relation for the PDA estimated capacity is presented in Figure 7-7.
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86 Analysis of Total Capacity Predictions For the total capacity analysis, only 18 cases out of 23 cases were used.
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