| 摘要 |
PURPOSE: A crack detecting device using the image of a bore hole for tunnel blasting impact analysis is provided to measure the image of a vertical hole and horizontal hole of a tunnel by using a probe of small diameter and weight. CONSTITUTION: A crack detecting device comprises a probe, a camera, a connecting cable(B), an image data storage unit(E), a display device, and a power supply device(F). The probe includes an camera for endoscope. The camera comprises an LED lamp and is located on the center of the bore hole. The connecting cable is connected to an image data storage unit. The image data storage unit stores the taken image. The display device outputs the recorded image. The power supply device supplies power source to the camera, image data storage and display.
|
