Water holding structure of box and bottom plate constituting temporary coffer and suspension structure of box and dam column constituting temporary coffer

摘要

Problem to be solved: to provide a water stop structure of a box body and a dam which constitutes a temporary coffer with a high stopping water between a box body and a bottom panel and a high stopping water between a side face of a dam and a box body with a high stopping water between a box body and a bottom panel, and a water suspension between the box and the bottom panel.ColumnA vertically movable gate extending to the side of the damIn weir havingConstruct a temporary coffer built around the damThe structure of the suspension of the box and bottom of the damThe bottom of the dam is bottomed to the bottomOn the side of the side of the leg of the boxLeg steel plateA gap is formed between the side surface of the box body 20 and fixed through a first gap holding bolt 20h.A first stop member 20E is received in the gap, and its tip is in contact with the bottom plate 15.Diagram