PURPOSE: To install foundation construction for mounting a structure with superior precision and ease by fixing the lower end of foundation bolt for fixation of structure in the foundation concrete and providing lock nut and nut for bolt for fixation of structure to the screw part at the upper end of bolt.
CONSTITUTION: Long-scale rail 3A is provided in primary concrete 2A and foundation bolt 4A is fixed on rail 3A with necessary arranging interval kept by plates 11 and 12. On the upper end of foundation bolt 4A is provided screw, to which lock nut 6A and nut for bolt for fixing vertical rotating machine 9 are fitted. When the upper end of nut 9 is adjusted to be on required level, nut 9 is fixed with lock nut 6A. Then secondary concrete 5A is struck and structure 1 is installed, being tightened to nut 9 by bolt for fixation 6.
SUGIYAMA SEN
YASUDA IZURU
WATANABE YOSHIHARU
ANPO KATSUO
