JP2006307449A - Method and structure for laying and utilizing waste tire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method and a structure for laying and utilizing a waste tire, which enable solid matter such as sediment to be easily infilled into a hollow part, which can bring about proper workability by making the infilled solid matter hardly come off, and which can sufficiently prevent the waste tire from being dented, even if heavy equipment and the like travel after the waste tire is buried. <P>SOLUTION: A sandbag 3 is infilled into the hollow part 2 which is provided in such a manner as to go around along an inner peripheral surface of the waste tire 1. The solid matter, which is composed, for example, of at least one kind of soil, sand, gravel, crushed stone, and recycled aggregate, is housed in the sandbag 3. The plurality of sandbags 3 are solidly infilled into the hollow part 2. Thereafter, preferably, the sandbag 3 is fastened with a wire, a cord, a gummed tape, a one-side pressure-sensitive adhesive sheet, etc. , so as not to come off from the hollow part 2. The waste tire 1 is laid in the soil. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a method for laying at least part of a waste tire in the soil and a buried structure, and more particularly to a method for laying and using a solid material in a cavity of a waste tire and a structure thereof.

One method of effectively using waste tires is to lay them in the soil. In paragraph 0015 of JP-A-2003-90386, it is described that earth and sand are packed and used in a hollow portion of a waste tire.
JP2003-90386

  When filling the hollow portion of the waste tire with earth and sand as in JP-A-2003-90386, it is difficult to sufficiently fill every corner so that the hollow portion is filled with earth and sand, and voids are easily generated. When the air gap exists in this way, when a vehicle such as a heavy machine is traveling on the air gap, for example, when the tire is embedded in the horizontal direction, a movement in which the side wall is recessed due to the load occurs.

  In addition, when filling soil and sand into waste tires, the tires are laid flat or rotated with a scoop while rotating, but the workability of filling while narrow beads are spread is poor, and the tires are packed There was a problem that a part of the earth and sand spilled.

  A method of filling the earth and sand while rotating the tires on the site is also conceivable, but if it is not sealed with a gum tape / net each time it is packed, the earth and sand will fall from the cavity when it is turned up.

  There is an example in which mortar or concrete is filled into waste tires and solidified to be used for a sabo dam, but it becomes a very heavy composite and is difficult to handle.

  In the present invention, solid matter such as earth and sand can be easily packed in the cavity, and the solid matter once packed is hard to drop off, has good workability, and dents even when heavy machinery or the like travels after being buried. An object of the present invention is to provide a method and a structure for embedding waste tires that can prevent the above-mentioned problem sufficiently.

  The waste tire embedding method according to claim 1 is a waste tire embedding method in which a solid portion is filled in a hollow portion of the waste tire, and at least a part of the waste tire is embedded in soil, and the solid matter is accommodated in a bag. The bag is filled in the cavity, and then the waste tire is laid.

  The method for laying and using waste tires according to claim 2 is characterized in that, in claim 1, after the bag is packed in the hollow portion, the bag is restrained in the hollow portion by a drop-off preventing material.

  According to a third aspect of the present invention, there is provided a method for laying and using waste tires according to the second aspect, wherein the slip-off preventing material is a gum tape, an adhesive sheet, or a wire.

  According to a fourth aspect of the present invention, there is provided a waste tire laying / utilizing method according to the second aspect, wherein the drop-off prevention material is a string provided in the bag.

  The method for laying and using waste tires according to claim 5 is characterized in that, in claim 4, the string is a string for narrowing the entrance provided at the entrance of the bag.

  According to a sixth aspect of the present invention, there is provided a method for laying and using waste tires according to any one of the first to fifth aspects, wherein the bag is made of a synthetic resin.

  According to a seventh aspect of the present invention, there is provided a method for laying and using waste tires according to the sixth aspect, wherein the synthetic resin is polypropylene.

  The method for laying and using a waste tire according to claim 8 is the method according to any one of claims 1 to 7, wherein the solid is at least one of soil, sand, gravel, crushed stone, waste tire chips, and recycled aggregate. It is characterized by this.

  The waste tire laying-use structure according to claim 9 is a waste tire laying-use structure in which a solid portion is filled in a hollow portion of the waste tire, and at least a part of the waste tire is laid in the soil. It is characterized in that it is accommodated and the bag is packed in the cavity.

  In the present invention, since solids such as earth and sand are packed in the bag and then packed in the cavity of the waste tire, the solid can be easily packed in the entire cavity. Also, bags once packed in waste tires are difficult to drop off. For this reason, when this waste tire is buried, almost no gap is generated in the waste tire, and even if a heavy machine or the like travels on the tire, it is prevented from causing a sink.

  In the case of using recycled aggregates and waste tire chips as solids, reuse of building waste materials and waste tire chips is promoted.

  Recycled aggregates are aggregates made by mechanically crushing pavement generating materials such as asphalt / concrete blocks and concrete blocks generated during pavement repair work, which are called asphalt / concrete recycled aggregates and concrete recycled aggregates, respectively. The process consists of a crushing process, a sieving process, etc., and in the case of asphalt / concrete lump, there is also a method of making recycled aggregates by thermal crushing. Concrete recycled aggregates are also made from other architectural byproducts, such as architectural concrete masses.

  Waste tire chips are obtained by crushing waste tires into small pieces or rubber powder. Waste tire chips are randomly shredded 5 cm to 30 cm called tire shreds; small pieces obtained by regularly cutting waste tires in a straight line such as 16 divisions or 32 divisions (often called cut products); Crushed to a size of about 1 cm to 10 cm (steel cord, mixed with organic fibers, or types from which these cords / fibers have been removed. Sometimes called rubber chips or tire chips in a narrow sense); 0.1 mm to There are several millimeters of rubber powder. Some of these are mixed.

  When crushed stone, coarse aggregate having a uniform particle size, or waste tire chip is used as the solid material, a water passage gap is formed between the particles, and drainage of the waste tire embedded soil is improved.

  In the present invention, after the bag is packed in the hollow portion, it is preferable to restrain the bag to the hollow portion with a fall-off preventing material, but this bag can be easily restrained with a gum tape, a wire, an adhesive sheet or a string. .

  As this string, a string for constricting the entrance of the bag may be used as it is.

  As the bag, a synthetic resin bag such as polypropylene having good durability is suitable. In the case of the synthetic resin bag, even when the waste tire is dug out of the soil and the bag is taken out from the waste tire, it is not corroded and is easy to handle.

  Hereinafter, embodiments will be described with reference to the drawings.

  FIG. 1 is a perspective view showing a waste tire and a sandbag bag used in the waste tire laying and utilization method and structure according to the embodiment, and FIG. 2 is a perspective view of the waste tire packed with a sandbag bag.

  In this embodiment, the sandbag 3 is packed into the cavity 2 that circulates along the inner peripheral surface of the waste tire 1. The sandbag 3 is a bag containing a solid material made of at least one of soil, sand, gravel, crushed stone, recycled aggregate, and the like.

  If a bag containing crushed stone, coarse aggregate with a uniform particle size or waste tire chip is used, a relatively large water gap is created between particles of crushed stone, chip, etc. The drainage of the soil will improve. When recycled aggregate and waste tire chips are used as solids, reuse of building waste and waste tire chips is promoted. When the waste tire chip is used as a solid material, the weight is reduced, and effects such as sound / vibration absorption and vibration propagation reduction are also achieved.

  As the bag, a bag made of synthetic resin such as polypropylene which is not easily corroded is preferable. As this bag, a bag having a string for constricting the entrance may be used. The string of the bag with the string may be used so that the bag is attached to the waste tire in order to prevent the bag from dropping out of the cavity after the bag is packed in the cavity 2. The sandbag 3 is preferably elongated to some extent so as to extend in the circumferential direction of the cavity 2, but is not limited thereto.

  A plurality of sandbags 3 are densely packed in the cavity 2, and then the sandbag 3 is preferably prevented from falling out of the cavity 2 by a fall-off prevention material (not shown) such as a wire, string, gum tape, single-sided adhesive sheet, or the like. stop. As described above, a string provided on the bag may be used as the string. In the case of a gummed tape or an adhesive sheet, it is preferable to provide it so as to close the cavity 2, but it is sufficient if the sandbag 3 does not fall off, so a gap may be left between the tape and the adhesive sheet.

  As described above, according to this embodiment, it is possible to easily fill the waste tire 1 with the solid matter, and the solid matter is contained in the bag, and the stuffing is prevented from falling off by the fall-off preventing material. it can. As a result, it is possible to obtain a highly rigid waste tire in which the cavity is densely filled with solid matter. By laying the waste tires in the soil, an excellent ground structure that is less likely to bend when a load is applied such as when the vehicle travels on the ground can be obtained.

  In addition, since the solid matter is accommodated in the bag, when the waste tire is dug out of the soil, the solid matter can be easily taken out from the waste tire 1 together with the bag. Moreover, if the waste tire chip is filled in the bag, it is possible to prevent an injury caused by the protruding steel cord wire when the tire chip is filled into the waste tire. This effect becomes more remarkable as the thickness of the bag used increases.

  When the waste tire 1 in which the solid matter storage bag is filled in the cavity 2 is laid in the soil, the waste tire is arranged in any of the horizontal, vertical, and oblique (slope, etc.) directions. Also good. Further, for example, several side walls can be connected to each other, and treads can be connected to each other to form a horizontal or linear structure.

  You may make it cover soil and a pavement on a waste tire laying location. Depending on the form of land use, a part of the waste tire may be exposed on the ground surface.

  When this waste tire is recovered from the ground, etc., and reused, the contents can be easily and neatly removed in bags, and the tire and sandbag can be reused separately. Is possible any number of times.

  Hereinafter, examples and comparative examples will be described.

Example 1
Polypropylene bags (30cm wide x 35cm long x 2mm thick, with a tightening mechanism with upper straps) that can be used for civil engineering purposes were filled with soil, and several sets that were tightened with straps at the end of the bag were adjusted. .

  The soil filling bags were sequentially pushed into the hollow portions of waste tires manufactured by Bridgestone of 105 / 65R15 (tire width: 165 mm, flatness: 65, radial structure, rim diameter: 15 inches) prepared separately to fill the hollow portions. Most of the cavities were filled with five bags. This was designated as Example Sample 1.

Comparative Example 1
The waste tire as it was without filling anything was designated as Comparative Example 1.

Comparative Example 2
The hollow part of the waste tire was simply filled with soil using a scoop or the like, and the important points were fixed with gummed tape so that the soil would not leak out.

Examples 2, 3, and 4
In Example 1, a bag was filled with crushed stone (Example 2), recycled aggregate (Example 3) or waste tire chips (Example 4) instead of soil. Others were the same as Example 1.

Comparative Examples 3, 4, and 5
In Comparative Example 2, the hollow portion was filled with crushed stone (Comparative Example 3), recycled aggregate (Comparative Example 4) or waste tire chip (Comparative Example 5) instead of soil.

[Compression test]
Using an Instron testing machine, the waste tire was placed flat as shown in FIG. 3, and the stress when the cylinder 4 having a diameter of 30 mm was pushed into the most raised portion of the tire side wall was measured. The results are shown in Table 1.

  As shown in Table 1, in Examples 1 to 4, the stress when a constant compressive strain is applied is higher than those of Comparative Examples 1 to 5, which indicates that the amount of deformation of the ground when a constant load such as vehicle running is applied is small. It is recognized that the suitability for ground structures is increasing.

It is a perspective view which shows the waste tire and sandbag used for the laying utilization method and structure of the waste tire which concern on embodiment. It is a perspective view of the waste tire packed with the sandbag. It is sectional drawing which shows a test method.

Explanation of symbols

1 Waste tire 2 Cavity 3 Sandbag

Claims (9)

In the method for using a waste tire, the solid portion is filled in the hollow portion of the waste tire, and at least a part of the waste tire is laid in the soil.
A method for laying and using a waste tire, characterized in that the solid is contained in a bag, the bag is filled in the cavity, and then the waste tire is laid.   2. The method for laying and using waste tires according to claim 1, wherein after the bag is packed in the hollow portion, the bag is restrained in the hollow portion by a fall-off preventing material.   3. The method for laying and using waste tires according to claim 2, wherein the drop-off prevention material is a gum tape, an adhesive sheet, or a wire.   3. The method of laying and using waste tires according to claim 2, wherein the drop-off prevention material is a string provided on the bag.   5. The method for laying and using waste tires according to claim 4, wherein the cord is the cord for narrowing the entrance provided at the entrance of the bag.   6. The method for laying and using waste tires according to claim 1, wherein the bag is made of synthetic resin.   The method for laying and using waste tires according to claim 6, wherein the synthetic resin is polypropylene.   The method for laying and using a waste tire according to any one of claims 1 to 7, wherein the solid matter is at least one of soil, sand, gravel, crushed stone, waste tire chips, and recycled aggregate. In a structure for laying and using a waste tire in which a solid portion is filled in a hollow portion of the waste tire and at least a part of the waste tire is buried in the soil,
A structure for laying and using waste tires, characterized in that the solid material is housed in a bag and the bag is packed in the cavity.

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