JP3006371U - Paving board - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a pavement pavement with projections that is hard to slip and injured when wet with water. [Structure] The paving floor plate includes a plate-like body (14) having water permeability and elasticity, and one or a plurality of protrusions (16) provided on the surface of the plate-like body. Alternatively, it further includes a rigid second plate-like body (18) joined to the back surface of the first plate-like body (14).

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a pavement which is a constituent member of pavement applied to sidewalks, plazas, platforms and the like.

[0002]

[Prior art]

 Conventionally, a concrete paving slab having one or a plurality of protrusions on its surface has been used. According to this, the protrusion causes discomfort in the sole of the foot of a pedestrian, and it is possible to call attention to a person with a visual impairment, especially to a walking danger.

[0003]

[Problems to be solved by the device]

 By the way, the conventional concrete floor plate has a drawback that a pedestrian is slippery because a water film is formed on its surface when wet with rain, and is easily injured when it falls because it is hard. Therefore, an object of the present invention is to improve a paving floor plate having protrusions. Another object of the present invention is to provide a paving slab with projections, which is hard to slip when wet with water and is less likely to be injured.

[0004]

[Means for Solving the Problems]

 The paving floor plate according to the present invention includes a plate-like body having water permeability and elasticity, and one or a plurality of protrusions provided on the surface of the plate-like body. The plate-shaped body may be composed of a large number of elastic particles bonded to each other with a gap or an elastic plate provided with a large number of through holes. Both of the plate-like body and the protrusion may be composed of a large number of elastic particles adhered to each other with a gap.

The paving floor plate also includes a rigid second plate-like body joined to the back surface of the plate-like body (first plate-like body). The second plate-shaped body may be water-permeable, and may be composed of a large number of rigid particles adhered to each other with a gap.

An adhesive for adhering the elastic granules and an adhesive for adhering the rigid granules respectively have a thermosetting resin and a property of undergoing a crosslinking reaction with the thermosetting resin. The thermosetting resin is included, and both plate-like bodies are bonded to each other via a substance generated by a cross-linking reaction of both thermosetting resins. Rubber chips and polyurethane resin may be selected as the elastic granules and the adhesive thereof, respectively, and rock particles and a mixture of epoxy resin and polyamide resin may be selected as the rigid granules and the adhesive thereof, respectively. it can .

The elastic granular material adhesive and the rigid granular material adhesive are different from each other, for example, one of the elastic granular material and the rigid granular material and the other adhesive are thermoplastic. A resin and a thermosetting resin, wherein at least one convex portion is provided on the back surface of the first plate-shaped body and at least one convex portion is received on the surface of the second plate-shaped body. Provide two recesses. A part of the elastic granular material that defines the peripheral surface of the convex portion is received in the space between the rigid granular materials that defines the wall surface of the concave portion, and the two plate-like bodies are bonded to each other.

[0008]

[Function and effect of device]

 According to the present invention, the protrusion provided on the surface of the plate-like body having elasticity is such that the plate-like body (or the first plate-like body) elastically deforms when a pedestrian steps on the plate-like body. Sink into the body. At this time, the pedestrian feels a sense of discomfort due to the irritation of the soles of the feet, which calls attention to danger, for example.

Further, since the plate-like body having water permeability allows rainwater to pass therethrough, it is difficult for water to collect on the surface thereof, and pedestrians do not slip. Therefore, it is difficult to induce a fall. Further, even if the vehicle falls over, the protrusion elastically sinks into the plate-like body, so that the impact caused by the fall can be softened and the degree of injury can be remarkably reduced. Furthermore, the elastic plate-like body makes walking comfortable.

If the plate-shaped body is formed of a large number of elastic particles adhered to each other with a gap, the surface of the plate-shaped body that defines the ground plane is defined as a large number of minute projections of the elastic particles. Therefore, the sole of the foot of the pedestrian is supported by many points. For this reason, the ground contact area at the supporting points on the soles is small, and therefore the water film area at the supporting points is also small in the case of rain. As a result, even if the floorboard gets wet with water, it is difficult to slip, and the number of falls caused by slippage can be reduced. Furthermore, if the protrusions are also formed of a large number of elastic particles that are bonded to each other with a gap, it is possible to reduce slippage when stepping on the protrusions for the reasons described above, and the protrusions are also elastic. By making it deformable, shock absorption during walking can be made more effective.

By joining the second plate member having rigidity to the back surface of the first plate member having water permeability and elasticity, the bending of the first plate member under load is prevented. be able to. Further, by making the second plate-like body water-permeable, it is possible to further improve the drainage.

Each of the first and second plate-like bodies is composed of a layer composed of a large number of elastic particles adhered to each other with a space and a large number of rigid particles adhered to each other with a space. And a layer consisting of

The binder in the first and second plate-like bodies is made of a thermosetting resin of a different type that causes a cross-linking reaction with each other, and the bonding medium of the first and second plate-like bodies is a cross-linking reaction product. As a result, it is possible to obtain a paving slab that is composed of two plate-like bodies that have different kinds of binders as constituent elements and are reliably coupled to each other.

The first plate-shaped aggregate and the second plate-shaped aggregate are respectively made into rubber chips and rock strips, and polyurethane is used as a binder suitable for bonding each of these aggregates. When selecting a resin and a mixture of an epoxy resin and a polyamide resin, the polyurethane resin firmly and elastically bonds the rubber chips to each other, and the epoxy resin firmly and rigidly connects the rock debris to each other. Join together. Further, the polyamide resin and the polyurethane resin undergo a crosslinking reaction.

In addition, the aggregate of the peripheral surface of the convex portion of the first plate-shaped body partially received in the cavity of the wall surface of the concave portion of the second plate-shaped body allows the first and second plates The features are connected to each other. From this, it is possible to obtain a paving slab in which two plate-shaped bodies to which different kinds of binders are applied are reliably joined.

[0016]

【Example】

 Referring to FIGS. 1, 2 and 3, there is shown a paving slab 10, 11, 12 according to the present invention. Each floor plate 10, 11, 12 has a rectangular plane shape, but other plane shapes can be selected instead.

The floorboards 10 and 11 shown in FIGS. 1 and 2 respectively include a first plate-shaped body 14 having water permeability and elasticity, and a plurality of surface-mounted first plate-shaped bodies 14. It includes a hemispherical protrusion 16 and a rigid second plate-like body 18 joined to the back surface of the first plate-like body 14. On the other hand, the floor plate 12 shown in FIG. 3 includes the plate-shaped body 14 and the protrusions 16 and does not have the rigid plate-shaped body 18.

The first plate-shaped body 14 may be, for example, a rubber plate having a large number of through holes, but for the reasons described later, it is made of rubber chips and cork chips that are adhered to each other with a gap therebetween. It is desirable to compose such a large number of elastic particles.

In the floor plates 10 and 12 shown in FIGS. 1 and 3, both the first plate-shaped body 14 and the plurality of protrusions 16 are bonded to each other with a gap 19 (see FIG. 4) therebetween. It consists of a large number of elastic particles 20 such as rubber chips and cork chips. The plate-like body 14 and the large number of elastic particles 20 of the projections 16 are elastically deformable, respectively, and contribute to the absorption of impact during walking, making walking comfortable and reducing the degree of injury when falling.

The projection 16 elastically deforms when it is stepped on, and also elastically sinks into the first plate-shaped body 14. At this time, a part of the foot of the pedestrian hitting the protrusion 16 is strongly pressed, and the pedestrian feels uncomfortable. This is useful for alerting pedestrians, especially blind people, for example, when they are approaching the border between a sidewalk and a driveway, or near a track on a platform.

The large number of voids 19 between the elastic granules 20 define passages through which the water on the floorboard flows through the large number of voids 19 below the floorboard. Therefore, in the case of rain, the rainwater does not collect on the surfaces of the floorboards 10, 11, 12 and does not slip over the accumulated water as in the conventional case and fall. Further, since the surfaces of the floor plates 10, 11, and 12, that is, the surfaces of the first plate-like body 14 and the surfaces of the protrusions 16 are defined by a large number of minute protrusions that are a part of the large number of elastic granular materials 20, they are smooth. It is not a surface but a minute uneven surface. From this fact, the sole of the foot of a pedestrian is supported by many points, and in rainy weather, the water films existing between the sole of the foot and each supporting point are not continuous and the area is small. From this, even if the floor plate gets wet with water, it is more difficult to slip, and there is little fall due to slippage.

Unlike the example of FIG. 1 which is integrally formed with the first plate-shaped body 14, the protrusions 16 of the example shown in FIG. 2 are bonded to each other with or without a gap therebetween. Hemispheres made of elastic granular material, plastic, metal, wood, concrete, etc. are bonded to the first plate-like body 14 with their flat surfaces. Further, instead of this example, spheres and ovoids formed of the same material as described above are partially embedded in the first plate-like body 14 and bonded to the first plate-like body 14. Can be one. The protrusion 16 may be formed in any shape such as a columnar body or a truncated cone instead of having a hemispherical shape.

The rigid plate-like body 18 guarantees elastic deformation of the elastic plate-like body 14 and prevents the plate-like body 14 from bending or warping in order to maintain its flatness. Therefore, the laying plates 10 and 11 having the plate-like body 18 are suitable for laying on a place where some unevenness is expected on the laying surface, for example, a park, road, sidewalk, platform or the like. Further, the floor plate 12 having no plate-like body 18 is suitable for, for example, laying on the roof of a building made of reinforced concrete having a hard laying surface and less unevenness.

In the example shown in FIG. 1, the rigid second plate-like body 18 is made of rocks including sand, gravel, crushed stone, etc. which are bonded to each other with or without the voids 21. It consists of rigid particles 22 such as strips, plastic pieces, metal pieces. The large number of voids 21 guides the water flowing down through the first plate-shaped body 14 further downward.

As shown in FIG. 2, the second plate-shaped body 18 can be formed of a concrete molded body, an asphalt molded body, or the like. These molded bodies are preferably provided with a plurality of through holes. The through hole guides the water that has passed through the first plate-shaped body 14 further downward.

Referring to FIG. 1, the elastic particles 20 and the rigid particles 22, that is, the aggregates 20 and 22 have particle sizes of 1 to 5 mm and 3 to 5 mm, respectively, as an example. Further, the same type of adhesive is used as the adhesive that bonds the aggregates 20 to each other and the adhesive that bonds the aggregates 22 to each other. Thereby, both plate-like bodies 14 and 18 can be connected to each other.

However, the adhesive or binder for the elastic granules 20 of the first plate-shaped body 14 and the adhesive or binder for the rigid granules 22 of the second plate-shaped body 18 are mutually It is possible to use a different type of thermosetting resin that undergoes a crosslinking reaction when contacted. For example, the binder for the elastic granules 20 is a polyurethane resin and the binder for the rigid granules 22 is a mixture of an epoxy resin and a polyamide resin, or, for example, for the elastic granules 20. The binder can be a polyurethane resin and the binder for the rigid granules 22 can be a polyester resin.

The polyurethane resin is particularly suitable for mutual bonding of the rubber chips, and imparts great bonding strength to the rubber chips. In addition, the mixture of the epoxy resin and the polyamide resin and the polyester resin are particularly suitable for mutual bonding of the rock fragments, and impart a high bonding strength.

The amount of synthetic resin liquid required to form each of the first and second plate-like bodies 14 and 18 shown in FIG. 1 is an amount sufficient to bond the aggregates with each other with a gap therebetween. is there. As an example, aggregate 20: one-component polyurethane resin liquid = 100% by weight: 10% by weight, and aggregate 22: mixed resin liquid (epoxy resin + polyamide resin) = 100% by weight: 10% % By weight (5% by weight + 5% by weight).

When a portion of the polyamide resin, which is a curing agent for the epoxy resin, and a portion of the polyurethane resin are in contact with each other at the boundary between the quantitative mixture of the aggregate and the resin station, the amino acid of the polyamide resin described above is used. The group reacts with the isocyanate group of the polyurethane resin to cause a crosslinking reaction. The remaining polyamide resin participates in the curing of the epoxy resin, which bonds the aggregates 22 together. Further, the polyurethane resin has a function of bonding the aggregates 20 to each other, and the curing is promoted by the reaction with water vapor (moisture) in the air. The net-like hardening substance 24 (FIG. 5) generated by this cross-linking reaction is connected to both the mixed liquid of the epoxy resin and the polyamide resin and the polyurethane resin liquid. When the whole is heated, the plate-like bodies 12 and 14 are integrally bonded by the hardening substance 24.

In the case of the latter combination, when a part of the polyester resin liquid and a part of the polyurethane resin liquid contacting each other contact, a hydroxyl group of the polyester resin and an isocyanate group of the polyurethane resin cause a crosslinking reaction. The rest of the polyester resin liquid and the rest of the polyurethane resin liquid each act as a glue for binding the aggregate.

Next, referring to FIG. 5, when there is no affinity between the synthetic resins which are the adhesives of the granular materials in both plate-shaped bodies 14 and 18, or when both synthetic resins are thermoplastic resins (for example, , Styrene, polyethylene, polypropylene, etc.) and a thermosetting resin.

In the example shown in FIG. 5, the first plate-shaped body 14 has at least one protrusion 26 on its back surface, and the second plate-shaped body 18 has at least one recess 28 for receiving the protrusion 26. A part of the elastic granular material 20 that defines the peripheral surface of the convex portion 26 is received in the space 21 between the rigid granular materials 22 that defines the wall surface of the concave portion 28, and thus the first and second Both plate-like bodies 14 and 18 are connected to each other.

The recess or the cylindrical hole 28 has, for example, a first plate-shaped body 14 having a thickness of 15 mm and a second plate-shaped body 18 having a thickness of 40 mm, and a square having a side length of about 30 cm. When obtaining the floorboard 10 having the above-mentioned planar shape, it is preferable to set the diameter and the depth dimension thereof to 10 mm and 15 mm, respectively, and set the mutual intervals of the holes 28 to 20 to 30 mm. The hole 28 may penetrate the layer of the second plate-shaped body 18. According to this, the two plate-shaped bodies 14 and 18 are prevented from being separated from each other by the aggregate 20 retained in the space 21 between the aggregates 22.

[Brief description of drawings]

FIG. 1 is a perspective view of a floorboard of the present invention.

FIG. 2 is a perspective view of a floor plate according to another example of the present invention.

FIG. 3 is a perspective view of a floor plate according to another example of the present invention.

FIG. 4 is a partial vertical cross-sectional view of a joint structure of both plate-like bodies.

FIG. 5 is a partial vertical cross-sectional view of a joint structure of another example of both plate-like bodies.

[Explanation of symbols]

 10, 11, 12 Floor board 14, 18 First and second plate-like bodies 16 Protrusions 20, 22 Elastic and rigid granules 19, 21 Gap between granules

[Procedure amendment]

[Submission date] July 14, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 5

[Correction method] Change

[Correction content]

Claims (10)

[Scope of utility model registration request] 1. A paving floorboard including a water-permeable and elastic plate-shaped body and one or a plurality of protrusions provided on the surface of the plate-shaped body. 2. The paving floor plate according to claim 1, wherein the plate-shaped body is composed of a large number of elastic particles adhered to each other with a gap. 3. The plate-shaped body and the protrusion are made of a large number of elastic particles adhered to each other with a gap therebetween.
The paving floor plate described in. 4. A first plate-shaped body having water permeability and elasticity, one or a plurality of protrusions provided on a surface of the first plate-shaped body, and a back surface of the first plate-shaped body. And a second plate-shaped body having a specified rigidity, for paving. 5. The paving floor plate according to claim 5, wherein the second plate-shaped body has water permeability. 6. The first plate-shaped body is composed of a large number of elastic particles adhered to each other with a gap, and the second plate-shaped body is formed of a plurality of elastic particles.
The paving floor plate according to claim 4, wherein the plate-like body comprises a large number of rigid particles adhered to each other with a gap. 7. The adhesive for adhering the elastic particles comprises a thermosetting resin, and the adhesive for adhering the rigid particles has a property of undergoing a crosslinking reaction with the thermosetting resin. The pavement board according to claim 6, which is made of a thermosetting resin and has both plate-like bodies bonded to each other through a substance generated by a cross-linking reaction of both thermosetting resins. 8. The elastic granules and the adhesive thereof are composed of rubber chips and a polyurethane resin, respectively, and the rigid granules and the adhesive thereof are respectively composed of rock particles and a mixture of epoxy resin and polyamide resin. Consists of,
The paving floor plate according to claim 7. 9. The elastic granular material adhesive and the rigid granular material adhesive are different from each other, and the first plate-shaped body has at least one convex portion on its back surface. The second plate-shaped body has at least one recess for receiving the projection of the first plate-shaped body, and the periphery of the projection is provided in the space between the rigid particles defining the wall surface of the recess. 7. A paving slab according to claim 6, wherein a portion of the elastic granules defining a surface is received whereby the first and second plate-like bodies are joined together. 10. The pavement according to claim 9, wherein one adhesive of the elastic granular material and the rigid granular material is made of a thermoplastic resin, and the other adhesive is made of a thermosetting resin. Floor board.