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Lookup NU author(s): Professor Jon Mills,
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This paper describes work undertaken to measure deformation of a pavement within the Newcastle University ROlling Load Facility (NUROLF). Precise three dimensional measurements of the pavement have been produced from stereo-imagery taken with different cameras, using both analytical and digital photogrammetric instrumentation. The photogrammetric measurements, and those from the existing system consisting of an array of linear voltage displacement transducers, have been compared with measurements produced using a digital level. Encouraging results have been achieved and photogrammetry has been shown to be capable of producing a similar accuracy to the existing system. There are many advantages associated with a photogrammetric survey but attempts to establish a permanent, automated photogrammetric system for the rolling load facility at a reasonable cost have so far been unsuccessful. It is anticipated that, with the falling cost of high resolution digital sensors, such a system will soon be possible.
Author(s): Mills JP, Newton I, Peirson GC
Publication type: Article
Publication status: Published
Journal: Photogrammetric Record
ISSN (print): 0031-868X
ISSN (electronic): 1477-9730
Publisher: Wiley-Blackwell Publishing Ltd.
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