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Suggested Citation:"8. Appendix B." National Academies of Sciences, Engineering, and Medicine. 2016. Hamburg Wheel-Track Test Equipment Requirements and Improvements to AASHTO T 324. Washington, DC: The National Academies Press. doi: 10.17226/21931.
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Page 79
Page 80
Suggested Citation:"8. Appendix B." National Academies of Sciences, Engineering, and Medicine. 2016. Hamburg Wheel-Track Test Equipment Requirements and Improvements to AASHTO T 324. Washington, DC: The National Academies Press. doi: 10.17226/21931.
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Page 80

Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

76 8. APPENDIX B Table B-115. Types of rulers evaluated Material Metal Paper Background Black White Black Width (inch) 1 1/2 1 1 Subdivisions 1/8 1/16 1/32 1/64 1/8 1/16 1/32 1/64 1/8 1/16 1/32 1/64 1/8 1/16

77 Figure 42 Setups on other machines evaluated for position analysis GoPro camera (being attached to arm) Aluminum specimen Ruler GoPro camera Aluminum specimen Ruler

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TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 219: Hamburg Wheel-Track Test Equipment Requirements and Improvements to AASHTO T 324 evaluates the capability of the Hamburg Wheel Tracking (HWT) devices available in the United States market and identifies potential issues with different aspects of American Association of State Highway and Transportation Officials (AASHTO) T 324 standard procedure in order to ensure proper testing and accurate, reproducible results.

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