JPH11193503A - Elastic composite pavement material, and execution of work therewith - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make pavement materials walkable with easiness satisfying feeling of walk to some extent and also to make the pavement materials durable. SOLUTION: The pavement material is in a three-layer structure constructed of a surface-side layer 2 that satisfies feeling of walk to some extent, a middle layer 3 and a bottom layer 4. The surface-side layer 2 is made of hard, strong, less elastic and heat-resistant material such as brick or concrete so that load received at the surface-side layer can be transmitted uniformly to the middle layer and the middle layer 3 is made of rubber material, foamed material or springs, or elastic body made up by combining the aforementioned three materials having cushioning property so that load transmitted from the surface- side layer can be deformed moderately while the bottom layer 4 is made up of a bearing material such as brick, concrete material or synthetic resin plate having no cushioning property for receiving cushioning load from the middle layer and no liableness to becoming deformed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road in the field of civil engineering, and more particularly to a composite elastic pavement material.

[0002]

2. Description of the Related Art Conventionally, as a pavement, a pavement material having elasticity has been used in a tennis court, a stadium, and the like, and is welcomed by sports lovers.

[0003] This elastic pavement material has a good cushioning property and a soft touch by using polyurethane as a binder for rubber chips obtained by crushing old rubber.

[0004]

However, due to the high cushioning property, only the surface on which the load is applied flexes, and even if the person has the same weight, the area of the heel is small in the case of high heels. The conventional shoes have a larger deflection, and the ordinary shoes have a small deflection, which causes a large difference in walking feeling.

In addition, when heavy objects are placed, the parts are dented and cannot be restored after removal, and since they are made of rubber or resin, if the fire of cigarettes or matches falls, they burn and damage the appearance. there were. In addition, weather resistance and water resistance were not good in the long term, and further, ground adjustment and the like were necessary in terms of construction.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has been made in consideration of the above-mentioned problems. A pavement material having a layered structure, wherein the upper surface layer is made of a hard and strong brick having low elasticity, heat resistance and heat resistance so that the received load can be evenly transmitted to the intermediate layer. Rubber material, foam, spring, or an elastic body that combines these materials with a cushioning property that generates a moderate strain from the load received from the body, and as a lower layer, there is no cushioning property to receive the load of the cushion of the intermediate layer, and almost distortion occurs It is an object of the present invention to provide a composite elastic pavement material characterized in that a brick is made of a supporting material such as a concrete material, a synthetic resin plate or the like, and a construction method thereof.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The composite elastic pavement material of the present invention and the method for constructing the same have a top layer, a middle layer,
A pavement material having a three-layer structure of a lower surface layer, which has a low elasticity, a heat-resistant hard and strong brick as the above-mentioned upper layer so that the received load can be evenly transmitted to the intermediate layer, and a concrete material, As a rubber material having a cushioning property, foam, spring or an elastic body that combines them, the load received from the upper layer as an appropriate strain is not cushioned to receive the load of the cushion of the intermediate layer as the lower layer, The brick is hardly distorted, but is formed of a supporting material such as a concrete material or a synthetic resin plate.

The composite elastic pavement material 1 is formed by integrally laminating three layers of an upper surface layer 2, an intermediate layer 3, and a lower surface layer 4 as shown in FIG. Even in the form of a plane, it receives pressure in the entire area, absorbs the impact softly, restores it slowly, and can always maintain a uniform walking sensation.

The upper layer 2 has a low elasticity, a heat-resistant hard and strong brick, a concrete material, and a flexural strength so that a receiving load having a thickness of 30 to 40 mm can be evenly transmitted to the intermediate layer. 80kgf / cm ² ~120kgf / cm ² strength of more than stoneware brick fired at high temperature is preferable. If necessary, it can be colored and colorful.

The intermediate layer 3 can be formed of a rubber material having cushioning properties, styrofoam foam, or a spring that generates an appropriate distortion under a load received from the upper layer having a thickness of 20 to 25 mm. As shown in FIGS. 2 and 3, it is preferable to use a composite elastic body in which the coil spring 5 is provided with an elastomer 6 having excellent shock absorption and durability. It is preferable that the coil spring 5 be completely rustproof and have a strength that minimizes repeated fatigue. The durability of the intermediate layer 3 can be 10 years or more as a whole.

The lower surface layer 4 has a thickness of 3 to 3 as shown in FIGS.
Brick that has no cushioning property to receive the load of the cushion of the intermediate layer of 5 mm and hardly causes distortion, but is used as a supporting material such as concrete or a synthetic resin plate of vinyl chloride.
A high-strength stone-ware brick supporting plate fired at the same high temperature of the upper layer can also be used.

The load received by the upper surface layer 2 is evenly transmitted to the intermediate layer 3, and the intermediate layer 3 generates a certain amount of strain.
Since the lower surface layer 4 has no cushioning property and is hardly bent, the lower layer 4 receives the load of the intermediate layer 3 sufficiently,
The strain can be sufficiently generated in the intermediate layer 3.

The upper layer 2, the intermediate layer 3, and the lower layer 4 are preferably formed as a block body integrally laminated as shown in FIG. 1 because it can be easily constructed simply by laying on a base such as a sand cushion. In addition, when the construction surface is a concrete soil or the like, the lower surface layer 4 can be omitted.

1 and 2, a dowel 8 of a spacer is protruded from the periphery of the composite elastic pavement 1 so as to form an appropriate gap of 2 to 3 mm between the pavements. it can.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of the present invention, in which a composite elastic pavement material 1 intended for pedestrians is arranged in a row, and is sufficiently compacted as a foundation structure on crushed stone or sand. It is designed to be applied to

The upper surface layer 2 is made of brick, has a thickness of 37 mm which satisfies the load condition, and has a size of 230 to 114 mm.
The load is transmitted almost uniformly to the entire lower intermediate layer 3.

A dowel 8 as a spacer is integrally provided around the upper surface layer 2 so as to form a moderate gap of 2 to 3 mm between the pavement materials. By filling the gap with sand, the interference between the pavement materials can be reduced, and the individual pavement materials can be easily displaced up and down.

As shown in FIG. 3, the olefin-based elastomer 6 is mounted on the coil spring 5 and the intermediate layer 3 is disposed at regular intervals on the foamed polystyrene foam 7 as shown in FIG. Depending on the conditions of use, these elastic bodies can be constituted singly or by combining a plurality of them.

By using a coil spring, 100% restoring force can be guaranteed even under repeated loads. However, coil springs are
There is a phenomenon called surging in which the shaking continues, and the above-mentioned elastomer is inserted into a spring to suppress this phenomenon.

Although this elastomer has a great effect of attenuating the shaking, it causes settling in the long term. Therefore, when used in combination as described above, it is possible to avoid the disadvantages of each other and to combine the advantages. did.

The purpose of the expanded polystyrene is to follow the distortion of the coil spring and to prevent intrusion of joint sand and the like. As a substitute for this, a sponge-like material can be considered, but the material, thickness, and the like can be determined so that the sponge-like material is used within a range where permanent set does not occur.

The lower surface layer 4 uses a 3 mm thick vinyl chloride plate, which is a material selected when used on a sand foundation. The structure of the lower surface layer 4 below the intermediate layer 3 is
In order to sufficiently generate the displacement of the cushion which becomes the load of
For example, when the construction is performed on concrete soil, concrete can be used as a substitute, and a vinyl chloride plate can be eliminated.
In addition, instead of the said vinyl chloride board, a brick can also be used as a concrete material.

As a result of construction and walking, the load received on the upper layer is transmitted to the intermediate layer almost uniformly, and if the load is the same, a constant displacement occurs regardless of the pressing area, and after the load is removed. Has been completely restored. Therefore, no matter what shoes,
A constant walking feeling can be obtained.

The relationship between the load and the displacement can be easily adjusted by changing the elasticity of the cushion portion of the intermediate layer, and can be adapted to the application.

[0025]

As described above, according to the present invention, even if the load is point-like or planar, it receives pressure over the entire area, absorbs the impact softly, restores it slowly, and makes the walking feeling uniform at all times. .

Also, by forming the intermediate layer as a composite elastic body in which a coil spring is mounted on an elastomer having excellent shock absorption and durability, the disadvantages of the coil spring and the elastomer are compensated for each other, and the durability is improved. Can maintain cushioning properties.

The upper layer is made of a high-strength stone brick fired at a high temperature of 30 to 40 mm in thickness, and the intermediate layer has a thickness of 2 to 40 mm.
A composite elastic body with a coil spring mounted on an elastomer with excellent shock absorption and durability of 0 to 25 mm,
By making the lower layer a high-strength stone brick or a supporting plate of a vinyl chloride plate fired at the same high temperature as the above-mentioned upper layer having a thickness of 3 to 5 mm, the load can be point-like or planar as described above. Although it is possible to absorb the impact softly over the entire area and absorb the impact softly and restore it slowly, the walking feeling can always be made uniform, but it can be put to practical use with high durability.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a perspective rear view of the intermediate layer and the upper layer,

FIG. 3 is a perspective view of a coil spring portion of the intermediate layer according to the first embodiment;

FIG. 4 is a perspective view of a lower surface layer of the above.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Composite elastic pavement material 2 ... Upper layer 3 ... Middle layer 4 ... Lower layer 5 ... Spring 6 ... Elastomer 7 ... Foam

Claims (5)

[Claims] 1. A pavement material having a three-layer structure of an upper surface layer, an intermediate layer, and a lower surface layer capable of providing a certain walking feeling, wherein the upper surface layer has a small elasticity so that a received load can be evenly transmitted to the intermediate layer. A hard and strong brick with heat resistance, a concrete material, and a rubber material, a foam, a spring or an elastic body which combines these materials as an intermediate layer, which generates a moderate strain against the load received from the upper surface layer. A composite elastic pavement material characterized in that the lower surface layer is formed of a supporting material such as a concrete material, a synthetic resin plate or the like, which has no cushioning property to receive the load of the cushion of the intermediate layer and hardly causes distortion. 2. The composite elastic pavement material according to claim 1, wherein the intermediate layer is a composite elastic body in which a coil spring is mounted on an elastomer having excellent shock absorption and durability. 3. The upper layer is a high-strength stone brick which is fired at a high temperature of 30 to 40 mm in thickness, and the intermediate layer is 20 to 2 mm in thickness.
A high-strength stone brick or a composite elastic body in which a coil spring is mounted on an elastomer having excellent shock absorption and durability of 5 mm and whose lower layer is fired at the same high temperature as the upper layer of 3 to 5 mm thick or The composite elastic pavement material according to claim 1, which is a support plate of a vinyl chloride plate. 4. When the construction surface is a concrete soil or the like, the upper surface layer has a low elasticity, a heat-resistant hard and strong brick so that the received load can be evenly transmitted to the intermediate layer, and a concrete material; Composite elasticity characterized in that the lower surface layer is a two-layer pavement material of a rubber material, a foam material, a spring material, or an elastic material combining these materials, which has a cushioning property that causes a load received from the upper surface layer to generate an appropriate strain. Pavement material. 5. A brick having no cushioning property to receive the load of the cushion of the intermediate layer as the lower layer and hardly distorted at the time of construction, and a supporting material such as a concrete material or a synthetic resin plate is constructed as the lower layer. The load received from the upper layer is made of rubber material, foam, spring or an elastic body that combines them, with cushioning property that causes moderate distortion,
A method for constructing a composite elastic pavement material with a three-layer structure made of hard, strong, heat-resistant bricks, but with low elasticity so that the received load can be evenly transmitted to the middle layer as the top layer.