Use of Geophysics for Transportation Projects (2006) / Chapter Skim
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Figure 9 displays the geophysical methods most commonly used by the respondent agencies based on results from Question 22. It is apparent from this chart that the use of NDT is incorporated with geophysical methods, likely as a result of the overlap between the technologies (e.g., crosshole seismic for shear wave velocity versus crosshole sonic logging for drilled shaft integrity)
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Table C3 lists other comments regarding experiences with the methods used, the applications, and the selection of appropriate geophysics for projects that are not covered in this section. 1%10% 11% 22% 24% 32% Others Bedrock Mapping NDT Subsidence Investigations Mapping Soil Mapping Man-Made Features N=113 FIGURE 10 Most common applications of geophysics (50 agencies completed Question 24)
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