| 摘要 |
PROBLEM TO BE SOLVED: To provide a protective plate capable of effectively protecting an underground buried object.SOLUTION: A buried object protective plate 1 is buried in the ground above a buried object 100 buried in the ground, and protects the buried object 100 from a drill bit. The buried object protective plate 1 includes: a tubular strength member 4 whose surface is directed to the buried object 100, and that is made of a steel material or a resin; a core material 2 that is laminated on the upper surface of the strength member 4 in a relatively movable manner to extend into a tubular shape, is entangled into the drill bit with rotation of the drill bit, and is a mesh member made of a metal; and a cutoff sheet 3 that holds the core material 2 from a vertical direction in a relatively movable manner. |
