Advancements in Use of Geophysical Methods for Transportation Projects (2020) / Chapter Skim
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Pages 65-76
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A-1 A P P E N D I X A Survey Questionnaire Dear Geotechnical Engineer, The Transportation Research Board (TRB) is preparing a synthesis on the use of geophysical methods for transportation projects.
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A-2 Advancements in Use of Geophysical Methods for Transportation Projects 4. To forward a partially completed response to a colleague, use the forward buttons at the bottom of each screen to progress to the final page of the survey.
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Survey Questionnaire A-3 SURVEY 1) Has your agency used geophysical methods for geotechnical site investigation?
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A-4 Advancements in Use of Geophysical Methods for Transportation Projects All remaining questions will be presented to respondents who indicate in Question 1 that their agency has applied geophysical methods.
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Survey Questionnaire A-5 6) How does your agency's current use of geophysical methods compare with its use of geophysical methods five years ago?
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A-6 Advancements in Use of Geophysical Methods for Transportation Projects Borehole logging methods: Downhole seismic Crosshole seismic Electrical (SP, Resistivity, E-logs) Electromagnetic induction Nuclear (e.g., gamma-gamma, natural gamma, neutron, etc.)
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Survey Questionnaire A-7 9) For which geologic investigation objectives has your agency applied geophysical methods?
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A-8 Advancements in Use of Geophysical Methods for Transportation Projects 10) Has your agency established specific policies, guidelines, and/or procedures for application of geophysical methods?
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Survey Questionnaire A-9 Question 14 will be asked of respondents who indicate the annual agency budget includes funds allocated for subsurface investigation. All other respondents will be asked Question 15.
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A-10 Advancements in Use of Geophysical Methods for Transportation Projects The remaining questions will be asked to all respondents, including those who indicate in Question 1 that they have not used geophysical methods.
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Survey Questionnaire A-11 19) Please indicate how likely each of the following resources would be to increase your agency's use of geophysics by selecting one column per row.
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