Korea Institute of Geoscience and Mineral Resources

Kwangmin Jin

Yong Sik Gihm

Jin Hyuck Choi

The present invention relates to a trench cross-section reference line setting device, comprising: a trench reference line setting body unit () for setting a trench cross-section reference line, wherein the trench reference line setting body unit () has a sensor unit () at the center thereof, two horizontal units () orthogonal to each other on the upper surface thereof, and three laser light source units () and a grid photographing unit ('), respectively, on the side surfaces thereof; a reference line setting tripod unit () rotatably coupled to the trench reference line setting body unit () and having a posture adjusting unit () and a height adjusting unit (); and a trench stratum analysis server () for receiving a fault image photographed by the grid photographing unit (&#x2032;) of the trench reference line setting body unit () and creating a stratum map of a trench cross-section structure.

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Chungju-si, South Korea

Kwangmin Jin