JP5650182B2 - Water guide device - Google Patents

Description

  The present invention relates to a water guide device that is provided on a wall surface portion of a structure portion such as a road tunnel and a retaining wall and guides water leaked from joints and cracks of the structure to a drainage facility such as a drainage groove.

  A typical prior art water transfer device is shown, for example, in US Pat. This prior art water guide device includes a pair of longitudinal holding bodies provided in parallel to the wall surface of the structure at equal intervals of 500 mm in the road axis direction, and a pair of the holding bodies perpendicular to the longitudinal direction. It is comprised including the water conveyance receiving plate with which the width direction both sides are hold | maintained.

  Each holding body has a holding body and a pair of seal members provided on both sides in the width direction of the holding body. A recess is formed in the intermediate portion in the width direction between the both sides in the width direction of the holding body so as to extend in the longitudinal direction of the holding body, and the head of the anchor body driven into the structure is placed in the recess. It protrudes and a nut is screwed to this head, and each holding body is fixed to the wall surface.

  The said structure is a lining concrete wall of a road tunnel, Comprising: The said water guide apparatus is provided along the joint part of the wall surface part of this lining concrete wall.

  The concave portion of the holding body opens to the space in the road tunnel opposite to the wall portion of the structure, and opens to both sides in the width direction of the concave portion so as to face outward in the width direction. A pair of fitting holding parts having a concave cross section are provided. In each fitting holding portion, one side in the width direction and the other side in the width direction of the water guide plate are fitted and held, and a watertight water guide space is provided between the water guide plate and the wall surface in the longitudinal direction. It is formed to extend.

  Water leaked from joints and cracks of the lining concrete wall flows into the water conveyance space and is collected. The water that has flowed into the water guide space is guided to the openings at both ends in the longitudinal direction of the water guide device, and is discharged to upper drainage grooves provided in the roadside belts on both sides of the road surface. Under the upper drainage ditch, there is a culvert drainage ditch, and the water in the culvert drainage ditch is led to a drain pipe (not shown) and discharged to a river or the like.

  The holding body is realized by a long material made of an extruded shape of a hard synthetic resin such as hard polyvinyl chloride. Further, the seal member is realized by a long material having a two-layer structure of a closed-cell foamed synthetic resin and a synthetic rubber. The water guide plate is made of a hard synthetic resin having weather resistance and chemical resistance, and is realized by a belt-like panel having a thickness of about 2 mm.

Japanese Patent No. 2916407

  In the prior art described in Patent Document 1, the holding body is realized by an extruded shape of hard polyvinyl chloride, and the water guide plate is realized by a belt-like panel made of hard synthetic resin having weather resistance and chemical resistance. Both the holding body and the water guide plate are made of a synthetic resin material having high hardness.

  Therefore, the wall surface of the wall portion of the structure to which each holding body and the water guide plate are attached is convex (protruding corner) or the front side when the wall surface is viewed from the front with respect to the width direction (that is, the horizontal direction) of the water guide plate or If there is a step between the wall part to which one holding body is attached and the wall part to which the other holding body is attached when the concave (entrance corner) is bent or curved, one wall part Since the water guide plate cannot be greatly curved across the one holding body fixed to the other wall and the other holding body fixed to the other wall surface portion, it is possible to install a water guiding device in such a place. There is a problem that you can not.

  In addition, the initial state where the water guiding device is installed is the case where the wall portion does not have a large bending, bending or step in the width direction. If a large relative displacement occurs between the holding body and the water receiving body, there is a problem that the water guide plate is easily damaged.

  The object of the present invention is to hold both sides of the water guide plate in a water-tight manner by each holding body, even when the relative mounting position or posture of each holding body varies depending on the bending, bending, and step of the wall surface. It is providing the water guide apparatus with which the attachment property which can be installed and was improved.

The present invention is a pair of holders made of a first synthetic resin, fixed in a watertight manner to a wall surface of a structure, spaced apart from each other and extending in parallel along the wall surface;
A longitudinal plate-shaped water guide plate disposed between the pair of holding bodies and spaced apart from the wall surface portion, wherein one side portion in the width direction perpendicular to the longitudinal direction is watertightly held by one holding body. And the other side portion in the width direction is watertightly held by the other holding body, and the water guide is composed of the second synthetic resin having a hardness lower than that of the first synthetic resin and the first synthetic resin. It includes a receiving plate, the,
Both sides in the width direction of the water guide plate are made of the first synthetic resin,
An intermediate portion between both side portions in the widthwise direction of the water guide plate is made of the second synthetic resin .

Furthermore, in the present invention, the first synthetic resin has a hardness of A90 or more and A95 or less,
The second synthetic resin has a hardness of A65 or more and A75 or less.

  According to the present invention, the pair of holding bodies made of the first synthetic resin are fixed in a watertight manner to the wall surface of the structure, and the second holding body has a second hardness lower than that of the first synthetic resin. One side portion of the water guide plate including the synthetic resin is held in a watertight manner, and the other side portion of the water guide plate is held in a watertight manner in the other holding body.

  As described above, since the water guide plate includes the second synthetic resin whose hardness is lower than that of each holding body, the relative mounting position and posture of each holding body differ depending on the unevenness and level difference of the wall surface portion. Even so, each holding body can be installed by holding both sides of the water guide plate in a watertight manner, and a water guide space is formed between each holding body and between the wall surface portion and the water guide plate. can do.

  Therefore, even if the relative mounting position or posture of each holding body differs depending on the bending, bending, and level difference of the wall surface portion, the both sides of the water guide plate are watertightly installed by each holding body. Even if water leaks from the gaps such as cracks and joints formed on the wall surface of the structure, the water can be applied without any leakage from the water conveyance space. Thus, the water can flow downward in the water guiding space, and can be drained from the lower end of the water guiding space to a drainage facility such as a drainage groove constructed in a structure.

Also, the water guide receiving plate is the hardness of the width direction both side portions, is higher than the hardness of the intermediate portion between the width direction both side portions, high hardness as compared with the width direction intermediate portion of the water guide receiving plate One side is held by the one holding body, and the other side is held by the other holding body, thereby holding the both sides of the water guide plate substantially uniformly over the entire length in the longitudinal direction of the water guide plate. It can be brought into contact with the body, and more reliable watertightness between the both sides of the water guide plate and each holding body can be achieved.

  Furthermore, according to the present invention, the hardness of the first synthetic resin is A90 or more and A95 or less, and the hardness of the second synthetic resin is A65 or more and A75 or less. Even if a deviation occurs, the displacement can be absorbed by the water guide plate being easily deformed, preventing each holding body from falling off the structure, and a structure caused by an earthquake, etc. The mounting stability against the displacement of the object can be improved.

It is sectional drawing which shows the structure of the water guide apparatus 1 of one Embodiment of this invention. It is a partial front view of the water guide apparatus 1 seen from the lower part of FIG. 4 is a cross-sectional view showing a state where the water guide device 1 is attached to a structure B. FIG. It is sectional drawing which shows the attachment state when the structure B in which the water guide apparatus 1 is installed is displaced with the joint 8 as a boundary, and level | step difference B1 is produced. It is a perspective view which shows the state in which the water guide apparatus 1 was attached to the protrusion corner part B2 which protruded convexly inside. It is sectional drawing which shows the water guide apparatus 1a of other embodiment of this invention.

  FIG. 1 is a cross-sectional view illustrating a configuration of a water guide device 1 according to an embodiment of the present invention, and FIG. 2 is a front view of a part of the water guide device 1 viewed from below in FIG. The water guide device 1 of the present embodiment includes a pair of holding bodies 2a and 2b, which are long materials, and seal members 3a and 2b fixed to the holding bodies 2a and 2b, for example, by adhesion using an adhesive or double-sided adhesive tape. 3b, a longitudinal plate-shaped water guide receiving plate 5 in which the width direction one side portion 4a and the width direction other side portion 4b which are the left and right directions in FIG. , 2b are fixed to the wall surface portions 6a, 6b of the structure B, and a plurality of anchor bodies 7a, 7b are included.

  FIG. 3 is a cross-sectional view showing a state where the water guide device 1 is attached to the structure B. The structure B is a lining concrete wall of a road tunnel, and on the inner wall surfaces 6a and 6b, for example, the water guide device 1 is constructed along a road axis CL perpendicular to the paper surface of FIG. Each joint 8 that is a joint is installed so as to straddle the joint 8. With such a water guide device 1, there is a water guide space between the holding bodies 2 a and 2 b and between the wall surface parts 6 a and 6 b and the water guide plate 5 and between the joint 8 and the water guide plate 5. 10 is formed.

  Cracks generated in the wall surface portions 6a and 6b and water leakage from the joints 8 flow into the water guide space 10 of each water guide device 1 and are collected. The water flows down in the water guide space 10 due to gravity, and the water guide space 10 Are discharged to upper drainage grooves 12a and 12b provided in the roadside belt from the lower end of the belt. The water discharged into the upper drainage grooves 12a and 12b is dropped into the underdrain drainage grooves 13a and 13b from the upper drainage grooves 12a and 12b, and is guided to a wastewater treatment facility (not shown) for processing. In the present embodiment, the water is a fluid in which solid particles such as earth and sand and foreign matters such as dust are mixed.

  The pair of holding bodies 2a and 2b are provided in parallel along the wall surfaces of the wall surface portions 6a and 6b with a space W in the road axis CL direction (left and right direction in FIG. 2). In the structure B, a plurality of anchor bodies 7a and 7b are spaced along the wall surface portions 6a and 6b with an interval ΔL in the longitudinal direction of the holding bodies 2a and 2b, and with the interval W in the direction of the road axis CL. Driven and buried. The interval ΔL is selected from 300 to 500 mm, for example. Further, the interval W in the direction of the road axis CL is selected from 300 to 1000 mm, for example.

  Each anchor body 7 a, 7 b is integrally formed with a plurality of spread pieces 72 divided in the circumferential direction at one axial end portion of the cylindrical portion 71 embedded in the structure B, and the axial direction of the cylindrical portion 71. An anchor rod provided with a hollow anchor sleeve 74 having a threaded portion 73 engraved with an external thread at the other end and a truncated cone-shaped tapered portion 75 inserted into the expanding piece 72 at one end in the axial direction. 76 and a nut 77 screwed onto the threaded portion 73 of the anchor sleeve 74. These anchor sleeve 74, anchor rod 76 and nut 77 are made of, for example, stainless steel.

  Such anchor bodies 7a, 7b are drilled in the structure B with a drilling tool such as a concrete drill in advance to form a pilot hole, and the anchor sleeve 74 is driven into the pilot hole to expand the tapered portion 75. The anchor sleeve 74 is fixed to the structure B by pushing the piece 72 outward in the radial direction to expand it, and the expanded piece 72 that has been expanded bites into the surrounding concrete.

  As described above, in a state where the anchor sleeve 74 is fixed to the structure B, the screw portion 73 of the anchor sleeve 74 protrudes substantially perpendicularly from the wall surfaces of the wall surface portions 6a and 6b, and this protruding portion corresponds to the holding bodies 2a and 2b. It penetrates substantially the center in the width direction and protrudes from the holding bodies 2a and 2b. A portion of the anchor sleeve 74 protruding from the holding bodies 2a and 2b is fitted with a washer 78, and then the nut 77 is screwed and tightened. Thus, the holding bodies 2a and 2b are structured by the anchor bodies 7a and 7b. It is fixed to the wall surface parts 6a, 6b of the object B.

  The holding bodies 2a and 2b have a substantially U-shaped cross section perpendicular to the longitudinal direction, and are installed with their openings facing each other in the road axis CL direction. The sealing materials 3a and 3b are provided on the back surfaces of the holding bodies 2a and 2b facing the wall surface portions 6a and 6b. Each sealing material 3a, 3b is affixed over the entire length in the longitudinal direction of the holders 2a, 2b, and is attached to each holder 2a, 2b by the adhesive sheets 16a, 16b realized by a double-sided adhesive tape, and the adhesive sheets 16a, 16b. The sealing members 17a and 17b made of foamed synthetic resin are attached.

  Each holding body 2a, 2b is made of an extruded shape of hard polyvinyl chloride (PVC), which is a thermoplastic synthetic resin as a third synthetic resin, and has a length of, for example, 4.0 to 12.0 m. It is realized by. The third synthetic resin and the fourth synthetic resin described later are collectively referred to as the first synthetic resin.

  The physical properties of the hard polyvinyl chloride are as shown in Table 1 below. In addition, hard polyvinyl chloride is added with antimony trioxide and calcium carbonate as an additive for imparting flame retardancy, as an additive for imparting weather resistance, as in the later-described soft synthetic resin. In addition, benzotriazole-based ultraviolet absorbers are added, and diisononyl phthalate (abbreviation DINP) and dioctyl adipate (abbreviation DOA) are added as additives for imparting flexibility, and in this state, JIS K 6253 The hardness measured with a durometer at a temperature of 23 ° C. is A90 to A95.

  Moreover, the said water conveyance receiving plate 5 has the width direction both sides 4a and 4b and the width direction intermediate part 4c between the width direction both sides 4a and 4b as mentioned above. The intermediate portion 4c in the width direction of the water guide plate 5 is made of soft polyvinyl chloride as the second synthetic resin, and both side portions 4a and 4b in the width direction of the water guide plate 5 are semi-rigid as the fourth synthetic resin. Made of polyvinyl chloride. The second synthetic resin has a lower hardness than the first synthetic resin. Both side portions 4a and 4b in the width direction of the water guide plate 5 are made of semi-rigid polyvinyl chloride, and their physical properties are as shown in Table 2 below.

  In addition, the semi-rigid polyvinyl chloride is added with antimony trioxide and calcium carbonate as additives for imparting flame retardancy, as with the soft synthetic resin described later, and additives for imparting weather resistance As an additive for imparting flexibility, diisononyl phthalate (abbreviation DINP) and dioctyl adipate (abbreviation DOA) are added, and in this state, JIS K Based on 6253, the hardness measured with a durometer at a temperature of 23 ° C. is A90 to A95.

  The width direction intermediate portion 4c of the water guide plate 5 is made of soft polyvinyl chloride, and the physical properties thereof are as shown in Table 3 below.

  In the water guide device 1 of this embodiment, the soft polyvinyl chloride used for the width direction intermediate portion 4c of the water guide plate 5 has a hardness measured by a durometer at a temperature of 23 ° C. based on JIS K 6253 of A75. However, antimony trioxide and calcium carbonate are added as additives for imparting flame retardancy, and benzotriazole ultraviolet absorbers (trade name: Tinuvin (registered trademark)) as additives for imparting weather resistance. ) Is added, and the addition of diisononyl phthalate (abbreviation DINP) and dioctyl adipate (abbreviation DOA) as additives for imparting flexibility, the hardness of soft polyvinyl chloride is , A60 or more and A75 or less, preferably A70.

  Thus, in the water guide device 1 of this embodiment, since the width direction intermediate part 4c of the water guide plate 5 is made of soft polyvinyl chloride, the water guide plate is changed by changing the interval W between the holding bodies 2a and 2b. It is possible to change the water introduction depth by causing a change in the deflection of 5. Therefore, unlike the conventional method, a gradient can be easily provided without forming a gradient depending on the thickness of the sealing material, so that water can be easily flowed without stagnation.

  FIG. 4 is a cross-sectional view showing an attachment state when the structure B in which the water guiding device 1 is installed is displaced from the joint 8 to generate a step B1. As described above, the intermediate portion 4c in the width direction of the water guide plate 5 is made of the second synthetic resin whose hardness is lower than that of the holding bodies 2a and 2b. Therefore, as shown in FIG. 4 between the wall surface portions 6a and 6b. Even when the relative mounting positions and postures of the holding bodies 2a and 2b are different from each other, the both sides 4a and 4b of the water guide plate 5 are held watertight by the holding bodies 2a and 2b. A watertight water conveyance space 10 can be formed between the holding bodies 2 a and 2 b and between the wall surface portions 6 a and 6 b and the water conveyance receiving plate 5.

  Therefore, even if water leaks from the gaps such as cracks and joints 8 generated in the wall surface portions 6 a and 6 b of the structure B, the water does not leak from the water guide space 10 and is not leaked from the water guide space 10 by the action of gravity. , And is led from the lower end of the water guide space 10 to the drainage facility (not shown) from the upper drainage grooves 12a and 12b and the underdrain drainage grooves 13a and 13b, which are drainage grooves constructed in the structure B. .

  Thus, even if the relative mounting positions or postures of the holding bodies 2a and 2b differ depending on the bending, bending, and step of the wall surfaces 6a and 6b, the water guide plate 5 is changed by the holding bodies 2a and 2b. The both sides 4a and 4b of the water can be installed in a watertight manner, and the water guide device 1 with improved attachment can be provided.

  Moreover, since the hardness of the width direction both sides 4a and 4b is higher than the hardness of the intermediate part 4c between the width direction both sides 4a and 4b, the said water conveyance receiving plate 5 is the width direction intermediate part of the water conveyance receiving plate 5 One side 4a, which is harder than 4c, is held by the one holding body 2a, and the other side 4b is held by the other holding body 2b.

  As a result, both side portions 4a and 4b of the water guide plate 5 are brought into contact with the respective holding bodies 2a and 2b almost uniformly over the entire length in the longitudinal direction of the water guide plate 5 so that both side portions 4a and 4b of the water guide plate 5 and the respective holding units are held. More reliable watertightness between the bodies 2a and 2b can be achieved.

  Further, since the above-mentioned hard synthetic resin and semi-rigid synthetic resin as the first synthetic resin and the soft synthetic resin as the second synthetic resin are added with the flame retardant as described above, Even if a fire or the like occurs, the holders 2a and 2b and the water guide plate 5 are ignited by the flame or heat, and the holders 2a and 2b and the water guide plate 5 are prevented from burning. , Can improve the safety against fire.

  FIG. 5 is a perspective view showing a state in which the water guiding device 1 is attached to the protruding corner B2 that protrudes inwardly. As described above, since the intermediate portion 4c in the width direction of the water guide plate 5 is made of the second synthetic resin having a lower hardness than the holding bodies 2a and 2b, as shown in FIG. 5 between the wall surface portions 6a and 6b. Even if the relative mounting positions and postures of the holding bodies 2a and 2b are different from each other, the both sides 4a and 4b of the water guide plate 5 are made watertight by the holding bodies 2a and 2b. It can hold | maintain and can be installed, The watertight water conveyance space 10 can be formed between each holding body 2a, 2b and between wall surface part 6a, 6b and the water conveyance receiving plate 5. FIG.

  Therefore, even if water leaks from the gaps such as cracks and joints 8 generated in the wall surface portions 6 a and 6 b of the structure B, the water does not leak from the water guide space 10 and is not leaked from the water guide space 10 by the action of gravity. , And is led from the lower end of the water guide space 10 to the drainage facility (not shown) from the upper drainage grooves 12a and 12b and the underdrain drainage grooves 13a and 13b, which are drainage grooves constructed in the structure B. .

  Moreover, since the hardness of the width direction both sides 4a and 4b is higher than the hardness of the intermediate part 4c between the width direction both sides 4a and 4b, the said water conveyance receiving plate 5 is the width direction intermediate part of the water conveyance receiving plate 5 One side 4a, which is harder than 4c, is held by the one holding body 2a, and the other side 4b is held by the other holding body 2b.

  As a result, both side portions 4a and 4b of the water guide plate 5 are brought into contact with the respective holding bodies 2a and 2b almost uniformly over the entire length in the longitudinal direction of the water guide plate 5 so that both side portions 4a and 4b of the water guide plate 5 and the respective holding units are held. It is possible to achieve more reliable watertightness between the bodies 2a and 2b, to prevent leakage of liquid such as water from the water guiding space 10 to the outside, and to prevent the exit corner B2 from being exposed. It is possible to prevent a passerby from coming into direct contact with the protruding corner B2 and to provide a buffering effect between the contact object and the contact object.

  In other embodiment of this invention, it replaces with said exit corner part B2, and even if each wall surface part 6a, 6b is an entrance corner part convex to a depth direction, the water guide apparatus 1 which concerns on this invention is installed, The leaked water can be guided to the drainage facility in a predetermined manner by the water guide space 10, and the entrance corner can be covered with the water guide plate 5 to improve the aesthetic appearance of the design.

  FIG. 6 is a cross-sectional view showing a water guiding device 1a according to another embodiment of the present invention. Note that portions corresponding to the above-described embodiment are denoted by the same reference numerals, and redundant description is omitted. In the water guide device 1a of the present embodiment, the pair of holding bodies 2a and 2b are composed of two narrow plate-like bodies 2a1 and 2a2; 2b1 and 2b2, and face the wall surfaces 6a and 6b of the structure B. Seal members 17a and 17b are attached and attached to the plate-like bodies 2a1 and 2b1, respectively, by an adhesive.

  Similarly to the above-described embodiment, the water guide plate 5 includes both width direction side portions 4a and 4b and a width direction intermediate portion 4c between the width direction both side portions 4a and 4b. The intermediate portion 4c in the width direction of the water guide plate 5 is made of soft polyvinyl chloride as the second synthetic resin, and both side portions 4a and 4b in the width direction of the water guide plate 5 are semi-rigid as the fourth synthetic resin. Made of polyvinyl chloride.

  Since each holding body 2a, 2b is composed of two plate-like bodies 2a1, 2a2; 2b1, 2b2, one side portion 4a of the water guide plate 5 is composed of two plate-like bodies 2a1, 2a1, which are paired on one side. The other side portion 4b is sandwiched between two pieces 2b1 and 2b2 which are paired on the other side, and is pressed against the wall surface portions 6a and 6b by the anchor bodies 7a and 7b, respectively. Fixed, watertight.

  Even in the present embodiment configured as described above, even if water leaks from the gaps such as cracks and joints 8 generated in the wall surface portions 6a and 6b of the structure B, the water remains in the same manner as in the above-described embodiment. The water can flow downward in the water guiding space 10 by the action of gravity without leaking from the water guiding space 10, and can be discharged from the lower end of the water guiding space 10.

  In still another embodiment of the present invention, the water guide plate 5 may be made of a translucent soft / semi-rigid vinyl chloride material. Note that polycarbonate (abbreviated as PC) is weak against alkali, and therefore is preferably not used in contact with the concrete surface.

  In the present embodiment, “translucency” means that light is transmitted, but the transmitted light is diffused or the transmittance is low, so that the other side through the water guide plate 5, that is, in the water guide space 10. Although the shape of the object cannot be clearly recognized, the presence or absence can be recognized, and because the transmittance is high, the other side can be seen through the water receiving body 5.

  By using the water guide plate 5 made of a synthetic resin having such translucency, the water guide plate 5 can be used to detect the presence of concrete debris stripped from the wall surfaces 6a and 6b, ice generated by freezing, and other objects. Can be confirmed through.

  Moreover, each holding body 2a, 2b is made of polyvinyl chloride having a hardness measured by a durometer at a temperature of 23 ° C. based on JIS K 6253, based on JIS K 6253, and the water guide plate 5 By using the width direction intermediate portion 4c of the second synthetic resin as a second synthetic resin, the hardness measured by a durometer at a temperature of 23 ° C. based on JIS K 6253 is made of polycarbonate having an A65 or more and A75 or less, and Similarly, displacement, expansion and contraction, and displacement between the joints 8 due to an earthquake or the like can be allowed.

  In still another embodiment of the present invention, the water guide plate 5 is composed of a panel made of the above-mentioned hard synthetic resin such as polyvinyl chloride or translucent acrylic resin in two or three layers at intervals in the thickness direction. A configuration in which heat insulation spaces are formed between the panels may be used.

  As a result, it is possible to prevent water flowing into the water guide space 10 in winter in a cold region or the like from freezing, and to prevent the water guide plate 5 from being damaged due to expansion during freezing of water. Furthermore, by using the synthetic resin having translucency as the panel, the inside of the water guiding space 10 can be recognized from the outside, and the presence or absence of freezing in the water guiding space 10 can be confirmed.

  Moreover, each holding body 2a, 2b is made of polyvinyl chloride having a hardness measured by a durometer at a temperature of 23 ° C. based on JIS K 6253, based on JIS K 6253, and the water guide plate 5 By using the width direction intermediate portion 4c as the second synthetic resin, the hardness measured by a durometer at a temperature of 23 ° C. based on JIS K 6253 is made of an acrylic resin having an A65 or more and an A75 or less, and thus the above-described embodiment. Similarly, it is possible to allow displacement, expansion / contraction, and displacement between the joints 8 due to an earthquake or the like.

  In still another embodiment, the water guide plate 5 may be realized by, for example, an extruded shape of a thermoplastic resin having weather resistance and chemical resistance in which an acrylic resin and soft polyvinyl chloride are mixed. By mixing the acrylic resin with the soft polyvinyl chloride in this manner, the impact resistance can be increased by the acrylic resin and the impact resistance of the hard polyvinyl chloride can be improved, as in the above-described embodiments.

DESCRIPTION OF SYMBOLS 1,1a Water guide device 2a, 2b Holding body 3a, 3b Sealing material 4a, 4b Side part 5 Water guide plate 6a, 6b Wall part 7a, 7b Anchor body 8 Joint 10 Water guide space 12a, 12b Upper drainage groove 13a, 13b Underdrain drainage Groove B Structure CL Road axis ΔL Interval W Interval

Claims (2)

A pair of holders made of a first synthetic resin fixed in a watertight manner to the wall surface of the structure, spaced apart from each other and extending in parallel along the wall surface;
A longitudinal plate-shaped water guide plate disposed between the pair of holding bodies and spaced apart from the wall surface portion, wherein one side portion in the width direction perpendicular to the longitudinal direction is watertightly held by one holding body. And the other side portion in the width direction is watertightly held by the other holding body, and the water guide is composed of the second synthetic resin having a hardness lower than that of the first synthetic resin and the first synthetic resin. It includes a receiving plate, the,
Both sides in the width direction of the water guide plate are made of the first synthetic resin,
An intermediate portion between both side portions in the widthwise direction of the water guide plate is made of the second synthetic resin . The first synthetic resin has a hardness of A90 or more and A95 or less,
2. The water guiding device according to claim 1, wherein the second synthetic resin has a hardness of A65 or more and A75 or less.

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