ABSOLUTE POSITION CORRECTION DEVICE OF STRUCTURE BUILT ON GROUND AGAINST GROUND DEFORMATION

摘要

PURPOSE:To correct displacement even when absolute position displacement of a structure by ground deformation takes place by communicating a plural number of ponds filled with non-volatile highly viscous fluid to each other with communicating tubes, and floating the structure in a plural number of the ponds. CONSTITUTION:A floating base F is provided floating in non-volatile highly viscous fluid W filled in a pond P, and a hydraulic outrigger 4 is provided in a gap with the floating base F on four corners of the pond P. Even when the ponds P1-32 are inclined due to ground deformation, the non-volatile highly viscous fluid W is communicated through by a communicating tube (p), and it is possible to easily correct displacement in the height direction Z of the floating base F by adjustment of a fluid level L. Additionally, even when the pond P is torsionally displaced, the floating base F is not distorted in the torsional direction, that is, around a Z axis as it is provided floating in the fluid W. When it is required to correct displacement in the horizontal direction, that is, in the XY direction, the floating base F is moved to a set position by adjusting stroke of the hydraulic outrigger 4. Consequently, it is possible to correct absolute position.