JP6611663B2 - Water stop device for ground cover - Google Patents

Description

  The present invention includes a bridge cover, a side end portion of a floor slab, and the like (hereinafter simply referred to as a ground cover. Accordingly, the term “ground cover in this specification” includes a bridge cover, a side end portion of a floor slab, and the like. And a water stop device for preventing rainwater from flowing down from the ground cover to the side surface of the ground cover.

  As a water stopper of this type, in Patent Document 1 below, a bolt insertion hole is provided at intervals in the longitudinal direction, and is fastened by screwing a bolt into an anchor fixed to a floor slab through the bolt insertion hole. There has been disclosed a water stop device comprising a mounting plate and a water stop plate rising from one side of the mounting plate, and a core material made of hard rubber covered with soft rubber.

Microfilm of Japanese Utility Model No. 63-109588 (Japanese Utility Model Application No. 2-333808)

  In the water stop device disclosed in Patent Document 1, since it is attached to the upper surface of the floor slab, there is no risk of dropping compared to those attached to the side surface and the lower surface, and the construction on the upper surface of the floor slab is safe. The workability is good, the rubber is relatively lightweight, and the part that hits the floor slab is made of soft material. The anchor that is fixed to the floor slab must be provided at a location corresponding to the bolt insertion hole of the water stop device, and if the anchor is displaced from a predetermined position, the water stop device If the bolt insertion hole cannot be attached without being aligned with the position of the anchor, the bolt through hole must be newly formed at a position that fits the anchor.

  An object of this invention is to provide the water stop apparatus which can be attached even if the anchor is being fixed to any position of a cover longitudinal direction.

  The invention according to claim 1 is made of a hard material such as hard rubber, hard resin, metal, concrete, and the like. A water stopper attached to the ground cover of a bridge, and a part of the water stopper protrudes downward from the water stopper. When the water stopper is attached to the ground cover, a soft material that is elastically deformed and pressed against the ground cover, and a locking portion that slidably engages in the longitudinal direction of the water stopper and holds the water stopper. And an attachment fitting having an attachment portion provided with an attachment hole at a location apart from the water stopper, extending laterally integrally with the engagement portion, an anchor embedded in the ground cover, and the engagement portion. It is screwed into the protruding portion of the anchor that protrudes through the mounting hole of the mounting portion in a state of being engaged with a water stopper, or comprises a fastener that is screwed into the anchor through the mounting hole of the mounting portion. It is characterized by that.

  The invention according to claim 2 is characterized in that, in the invention according to claim 1, the locking portion of the mounting bracket is fitted over the water stopper from above.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the water stopper is composed of a front side surface inclined forward and a rear side surface having an angle α with the ground cover surface of 90 ° or less. It is characterized in that it forms a triangle, preferably a hollow triangle inside.

  According to a fourth aspect of the present invention, in the second or third aspect of the present invention, the locking portion of the mounting bracket is mounted over a water stop seam connected adjacently in the longitudinal direction.

  According to the first aspect of the present invention, when installing a water stop device on the ground cover of a bridge, an anchor is buried in the ground cover avoiding the reinforcement in the ground cover, and the water stop is placed on the ground cover before and after this. After being installed along the ground cover, the locking part of the mounting bracket is shifted along the water stopper in a state where the locking part is locked to the water stopper, and the bolt insertion hole of the mounting part is aligned with the position of the anchor. After adjusting the position of the mounting bracket according to the anchor position, insert the mounting hole of the mounting portion into the anchor protruding from the ground cover, and screw the nut of the fastening tool into the protruding portion of the anchor protruding from the mounting portion, or The bolt of the fastening tool is screwed and fastened to the anchor in the ground through the mounting hole of the mounting portion. As the nut or bolt is screwed in, the locking portion presses the water stopper, elastically deforms the soft material, adheres to the ground cover, and seals. This prevents rain water on the ground cover from flowing out to the side surface side of the ground cover, and prevents water from draining provided on the ground side surface and the ground cover and rusting due to the water immersion. When the anchor is attached to the existing ground cover, it can be attached at an arbitrary position while avoiding the reinforcement in the ground cover.

  According to the invention which concerns on Claim 2, when the latching | locking part of a mounting bracket covers and fits a water stopper from the upper part, the whole water stopper is pressed against a ground cover, and the attachment state of a water stopper is stabilized.

  According to the invention of claim 3, rainwater that pours onto the water stop flows out to the inclined front side surface of the water stop, and rainwater that pours onto the rear side surface and the ground cover on the rear side surface is reduced. The amount of rainwater that flows down the road can be reduced. The water stopper is not hollow and may be solid solid, but if the inside is hollow, the water stopper will be lighter and the sponge will be attached to the water stopper by attaching the sponge inside the water stopper. Installation is reliable and easy.

  According to the invention of claim 4, the locking portion is used as a seam plate for water stoppers that are connected adjacent to each other, thereby concealing the seam of the water stopper, improving the appearance, and performing sealing at the seam. Can prevent rainwater from entering through the seam between the water stops.

The perspective view which notched a part of principal part of the water stop apparatus which concerns on this invention, and represented with the cross section. Sectional drawing of the water stop apparatus shown in FIG. 1 attached to the ground cover of a bridge. The perspective view which attached the attachment metal fitting of the water stop apparatus shown in FIG. 1 to the joint of the water stop. Schematic of the water stop of another embodiment attached to the ground cover.

Hereinafter, a water stop device according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a water-stop device attached to a bridge ground cover, which is composed of a front side wall 1a having a front side surface that is forwardly lowered and a rear side wall 1b having a vertical rear side surface, and has a hollow interior. There is a water stopper 1 made of a hard material having a right triangle shape, for example, FRP, and a mounting bracket 2 having a certain width. The mounting bracket 2 is composed of a front side wall 2a that is forwardly lowered and a vertical rear side wall 2b. 1 is attached to the water stopper 1 and is in close contact with the water stopper 1 and is bent from the lower end of the front side wall 2a of the engaging part 2c and is bent to the front side. A soft material, for example, rubber or resin sponge 3 that is easily elastically deformed at the lower end on the front side wall 1a that is formed from the mounting portion 2e provided with 2d and that constitutes the water stopper 1, is partially below the lower end on the front side wall. It is attached to protrude.

  When the water stopper 1 is attached to the ground cover 5 of the bridge, the anchor 6 is embedded in the ground cover 5 in advance (see FIG. 2). Normally, the anchor 6 is buried in the ground cover 5 on the road surface side from the installation position of the water stopper 1 prior to installing the water stopper 1 at a required portion of the ground cover 5 while avoiding the reinforcement in the ground cover. It is also possible to place the water stopper 1 on the ground cover 5 and then embed it in the ground cover 5 later.

  After installing the water stopper 1 on the ground cover 5, as shown in FIG. 1, the stopper 2 c of the mounting bracket 2 is fitted on the water stopper 1 from above, but the mounting bracket 2 is not attached later. It is also possible to install the water stopper 1 on the ground cover 5 in a state in which the mounting bracket 2 is mounted after being attached to the water stopper 1 in advance.

  The mounting hole 2d of the mounting portion 2e constituting the mounting bracket 2 is grounded while shifting the locking portion 2c along the longitudinal direction of the water stopper 1 attached to the ground cover 5 with the locking bracket 2 attached to the water stopper 1. The position of the mounting bracket 2 is adjusted to match the position of the anchor 6 embedded in the cover 5. When the mounting hole 2 d matches the anchor 6, the mounting hole 2 d is inserted into the anchor 6. Next, a nut 7 as a fastener is screwed and fastened to the protruding portion 6a of the anchor 6 protruding from the mounting hole 2e. As the nut 7 is screwed in, the locking portion 2 a fitted to the water stopper 1 presses the water stopper 1 and presses it against the ground cover 5. By this pressing, the sponge 3 protruding downward from the lower end of the front side wall 1 a of the water stopper 1 is compressed and elastically deformed, and is in close contact with the ground cover 5. FIG. 2 shows the water stop device attached to the ground cover 5 with the nut 7 fastened and fixed.

  The water stop 1 has a pointed right-angled triangle shape, and is composed of a front side wall 1a that is inclined forward and a rear side wall 1b that is perpendicular to the front side. And does not flow to the rear wall 1b side of the water stopper 1 or hardly flows. Therefore, it is possible to prevent water from the drainer 5a formed on the ground cover side surface or the ground cover 5 and rusting of the reinforcing bars inside the ground cover.

  In the water stop device of the above embodiment, the mounting portion 2e of the mounting bracket 2 has the mounting hole 2d inserted into the anchor 6 embedded in the ground cover 5, and the nut 7 is screwed into the protruding portion of the anchor 6 protruding from the mounting portion 2e. Although it is fastened, a bolt as a fastening tool may be passed through the mounting hole 2d and screwed into an anchor embedded in the ground cover 5 to be fastened.

  The water stoppers 1 are connected so as to abut against each other along the longitudinal direction of the ground cover 5, and the mounting bracket 2 is attached to an appropriate position of each water stopper 1 to fix the water stopper 1, but preferably in FIG. 3. As shown, the mounting bracket 2 is attached to the seam 9 of adjacent water stoppers 1 connected so as to abut against each other so as to straddle the side ends of both water stoppers 1 and used as a seam plate.

  When the water stop device is mounted as shown in FIG. 3 and used as a seam plate, not only the water stop 1 is fixed, but also the seam 9 of the water stop 1 is covered with the mounting bracket 2 and can be sealed. Intrusion of rainwater from the joint 9 between the stops can be prevented.

  In the water stop device of the embodiment shown in FIG. 4, the angle α formed by the rear side wall 11b of the water stop 11 and the ground cover surface 5b is an acute angle (the angle β formed by the ground cover surface 5b on the road surface side from the rear side wall 11b is an obtuse angle). Thus, the rainwater that pours onto the water stop 11 flows out from the front side wall 11a to the road surface side, and does not pour onto the rear side wall 11b unless rainwater is sprayed from the side. Therefore, it is possible to further reduce the outflow of rainwater to the side surface of the ground cover, and further reduce the rusting of the reinforcing bars inside the ground surface due to the inundation and intrusion from the drainer 5a formed on the ground surface and the ground surface 5. be able to.

  The water stop device according to the present invention is suitable for mounting on an existing bridge ground cover 5, but of course can also be applied to a newly built bridge ground cover.

1, 11 ·· Water stoppers 1a, 2a, 11a · · Front side walls 1b, 2b, 11b · · Rear side wall 2 · · Mounting bracket 2c · · Locking portion 2d · · Mounting hole 2e · · Mounting portion 3 · Sponge 5. ・ Background 6 ・ ・ Anchor 6a ・ ・ Projecting part 7 ・ ・ Nut

Claims (4)

  It is made of hard material, and is attached to the ground cover of the bridge, and a part of the water stopper is projected downward from the water stopper, and when the water stop is attached to the ground cover, it is elastic to the ground cover. A deformable and pressed soft material is slidably engaged in the longitudinal direction of the water stopper, and a locking portion for holding the water stopper and the side extending integrally with the locking portion extend away from the water stopper. A mounting bracket having a mounting portion provided with a mounting hole at a place, an anchor buried in the ground cover, and the protrusion protruding through the mounting hole of the mounting portion in a state where the locking portion is engaged with a water stopper. A water-stop device for ground cover comprising a fastening device screwed into a protruding portion of an anchor or screwed into the anchor through an attachment hole of the attachment portion.   The water stop device for ground cover according to claim 1, wherein the engaging portion of the mounting bracket is fitted over the water stopper from above.   3. The ground cover according to claim 1, wherein the water stopper has a triangular cross section, which is composed of a front side surface that is inclined forward and a rear side surface that has an angle α of 90 ° or less. Water stop device.   The water stop for ground cover according to any one of claims 2 and 3, wherein the engaging portion of the mounting bracket is attached to a seam of a water stop connected adjacently in the longitudinal direction. apparatus.