DISPLACEMENT MEASUREMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a durable displacement measurement device capable of highly accurately measuring a displacement even in the case of being installed at a point affected by striking of a structure.SOLUTION: A displacement measurement device 1 for measuring a displacement generated when a pile P driven in a ground G is struck comprises: a support base part 2 installed at a distance from the pile P; a spring part 3 connected to the support base part; a weight part 4 oscillatably supported by the spring part; and a laser type displacement meter 6 for measuring a relative displacement generated between a side face 43 of the weight part and a side face P2 of the pile.SELECTED DRAWING: Figure 1