Journal of the Japan Society of Engineering Geology
Online ISSN : 1884-0973
Print ISSN : 0286-7737
ISSN-L : 0286-7737
Inspections of Horizontal Boreholes by CCD Camera System Equipped with Washer Device
Kazushi MORI, Eiichi ABE, Michihiko NAKAMURA
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Keywords: CCD camera, washer device, horizontal drainagepipe, FRP (fiberglass reinforced plastic) rod
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2005 Volume 46 Issue 2 Pages 99-102

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Abstract

We assembled CCD camera system equipped with washer device and made inspections into clogged horizontal drain pipes drilled in landslide areas and obtained clear images at the maximum depth of 50.5 meters.

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