| 摘要 |
A water stop rubber unit for an expansion device of a bridge and a water stop rubber device are provided to have a simple structure, to have excellent water-tightness and durability, and to cut down on the expenses by making attachment work easy. A water stop rubber device for an expansion device is installed to a gap between ends of beams or an end of a beam and an abutment and provided with two end water stop rubber units which includes a ÝÀ-shaped gutter forming portion(8) and a pair of projecting portions(9b,9c) having an engaging concave portion(15) formed on the side(14) and provided with a narrowed opening(16), and a middle water stop rubber unit which is placed between the end water stop rubber units and includes a gutted forming portion and a pair of projecting portions having an engaging convex portion and an engaging concave portion formed on the sides. |
