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A Study on Precision Measurement of Rock Joint Using 3D-Laser Scanner  

이승호 (상지대학교)
황영철 (상지대학교)
김세현 (상지대학교)
심석래 (동아특수건설(주))
정태영 (상지대학교)
Publication Information
Explosives and Blasting / v.22, no.3, 2004 , pp. 103-111 More about this Journal
Abstract
The existing methods that can be adopted for measuring joints involve either to use borehole or photogrammetry. Due to restricted space, acquisition of data in limited area, and measurement errors, above methods have limitations acquiring the objective and correct results. To get over defects of existing joint measurement methods, joints have been measured using 3D-Laser scanner with accuracy and efficiency. This research aims to investigate an accuracy and applicabiliy of 3D-Laser scanner for measuring rock slope joints. Measurement of rock slope joints has been executed using 3D-Laser scanner & clinometer and then, results from both methods are compared. Results from both methods indicate that they show nearly equal features for joint distributions and numbers of joint information obtained by 3D-Laser scanner are much more than ones measured using clinomer. Therefore, 3D-Laser scanner turns out to be very effective by the fact that it contributes to reduce investigation costs & periods, objectify data from rock slope joints.
Keywords
3D-Laser scanner; joint measurement; direction; point datum;
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Times Cited By KSCI : 2  (Citation Analysis)
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