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Non-Intrusive Scanning Technology for Construction Assessment.

pdf icon Non-Intrusive Scanning Technology for Construction Assessment. (445 K)
Cheok, G. S.; Stone, W. C.

Automation and Robotics in Construction, 16th IAARC/IFAC/IEEE International Symposium. ISARC'99. Proceedings. September 22-24, 1999, Madrid, Spain, Universidad Carlos III de Madrid (UC3M), Spain, Balaguer, C., Editor(s), 645-650 pp, 1999.


construction; 3-D models; construction automation; cut-and-fill calculation; lasers; metrology; terrain modeling


Work at the National Institute of Standards and Technology on laser radar imaging of a construction site is described. The objective of the research is to make measurements required in a construction project quicker and cheaper than current practice and to do so without impacting existing operations. This can be done by developing techniques for real-time assessment and documentation in terms of 3D as-built models of the construction process. Once developed, this technology may be used for other applications such as as-is condition of a hazardous environment where human intervention would be impossible.