JP3877908B2 - Insect proof structure of building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure for preventing a pest such as a termite from entering a building.
[0002]
[Prior art]
Termites have the habit of invading the building from the soil through the foundation and causing great damage to the wooden parts of the building under conditions such as high humidity and poor ventilation. For this reason, there has been a great demand in the past to effectively prevent such insects such as termites from entering the building.
[0003]
As a method for protecting a building from a pest such as a termite, a method using a drug is the mainstream. Specifically, (1) a method of directly spraying or impregnating chemicals on wood parts that are damaged by termites, etc., (2) by spraying chemicals on soil, or laying a sheet impregnated with chemicals, etc. Examples include soil treatment methods.
[0004]
However, in the method of using a drug as described above, there are concerns about the effects of the drug components on the human body, animals and plants, and the surrounding environment. In addition, when dismantling a building, all the remaining soil must be disposed of because the soil contains chemicals. Furthermore, when a long period of time has passed since the insect repellent (ant repellency) treatment with the drug, it is unavoidable that the drug loses its activity, and therefore it is necessary to reapply some insect repellent (ant repellent) treatment.
[0005]
On the other hand, for example, there is a method of preventing the invasion of pests by installing an insect-proof (ant-proof) curtain such as a wire net or sheet inside the foundation. According to this method, since the invasion of pests is physically prevented without depending on the drug, the above-mentioned problems do not occur.
[0006]
[Problems to be solved by the invention]
However, in the method of extending the insect-proof (ant-proof) curtain as described above, it is necessary to extend the insect-proof (ant-proof) curtain so as to be aligned with the space inside the foundation. In particular, it is difficult to construct the folded portion or the like, so that it is difficult to prevent the invasion of pests in the portion.
[0007]
The present invention has been made in view of the above points, and an object of the present invention is to easily and reliably prevent the invasion of pests into a building with a simple structure without using a drug. It is to provide a simple insect repellent structure.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, an insect repellent structure according to claim 1 of the present invention is a structure for preventing the invasion of pests in a building, and concrete is applied to the entire surface of the soil under the floor of the building. A partial barrier layer formed by laying inorganic particles locally in advance under a portion in contact with a rising structure from the soil in the whole area barrier layer, It is characterized by providing.
[0009]
In addition, the insect repellent structure according to claim 2 of the present invention is a structure for preventing the invasion of harmful insects in the building, and is a stack of heat insulating materials arranged so as to overlap the outer surface of the foundation of the building. The laminated lower end is immersed in a partial barrier layer formed by spreading inorganic particles so as to fill the space of the upper surface of the base outside the foundation .
[0010]
According to a third aspect of the present invention, there is provided a building insect repellent structure according to the first or second aspect, further comprising a weir plate disposed at an edge of the partial barrier layer. It is characterized by this.
[0011]
In the present invention, the “rise structure from the soil” means any foundation provided from the soil under the floor of the building, such as a foundation such as a cloth foundation, an independent foundation, a boulder stone, or a pipe. It shall mean a structure.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. 1 and 2 show an insect-proof structure for a building according to an embodiment of the present invention. The insect-proof structure shown in the figure is such that the entire area barrier layer L1 and the partial barrier layer L2 are formed in the soil S under the floor of the building.
[0013]
The entire area barrier layer L1 is entirely formed on the soil S inside the building foundation (here, the cloth foundation) 2. The whole area barrier layer L1 is formed by placing concrete by a conventional method. Although the thickness of this whole area barrier layer L1 is not specifically limited, For example, setting it as about 60 mm or more is mentioned.
[0014]
The partial barrier layer L2 is locally formed in advance under a portion in contact with the inside of the foundation 2 and a portion in contact with the peripheral surface of the pipe 3 in the entire area barrier layer L1.
[0015]
The partial barrier layer L <b> 2 is formed by spreading inorganic particles 4. The inorganic particles 4 are prepared by pulverizing various inorganic substances such as rocks, slag, glass, ceramics, and the like into granules. Furthermore, examples of the rock include granite, basalt, limestone such as marble and cryogenic stone, and industrially obtained calcium carbonate such as heavy calcium carbonate and light calcium carbonate. In addition, as the inorganic material, waste can also be preferably used.
[0016]
The inorganic particles 4 are controlled so as to have a particle size within a certain range. The particle size of the inorganic particles 4 is not particularly limited, but a standard example is about 0.5 to 5.0 mm, particularly about 2.0 mm. If the particle size of the inorganic particles 4 is within the above range, the gap between the particles is smaller than the size of the pest body, the pest cannot pass through, and the particle itself cannot be excluded by the pest. Therefore, the invasion of the pest can be effectively prevented. In particular, for example, in the case of a termite whose degree of harm is slightly large among termites, the entry of the termite can be effectively prevented by setting the particle size to about 1.0 to 3.0 mm.
[0017]
Although the thickness of the partial barrier layer L2 is not particularly limited, for example, when the thickness is 10 mm or more, preferably 50 mm or more, the insect repellent effect can be improved.
[0018]
Hereinafter, the construction procedure of the whole area barrier layer L1 and the partial barrier layer L2 will be described. 1. First, in the soil S inside the foundation 2, the partial barrier layer L2 is provided by spreading the inorganic particles 4 on the place in contact with the inside of the foundation 2 and the place in contact with the peripheral surface of the pipe 3 respectively.
[0019]
At this time, the partial barrier layer L <b> 2 may be provided at a location in contact with the inside of the foundation 2 using a hole provided for the construction of the foundation 2. That is, when performing backfilling after placing and curing the concrete of the foundation 2, a certain amount of earth and sand S1 is returned on the base (footing) 2a, and thereafter inorganic particles from above the earth and sand S1 to the ground level. 4 may be filled.
[0020]
On the other hand, at the location in contact with the peripheral surface of the piping 3, the soil at the location may be excavated to a suitable depth to provide a hole, and the hole may be filled with the inorganic particles 4 to provide the partial barrier layer L2.
[0021]
The partial barrier layer L2 provided in each of the above locations secures the required strength by compaction by various compaction means such as rollers, rammers, vibrators, etc. Can be improved. For this reason, it is preferable to fill the inorganic particles 4 slightly more.
[0022]
At this time, for example, as shown in FIG. 3, a barrier plate 5 may be disposed at the edge of the partial barrier layer L2, and according to this, the partial barrier layer L2 collapses at the edge. It is surely supported without doing.
[0023]
2. Thereafter, the entire barrier layer L1 is provided by placing concrete on the entire surface of the soil S where the partial barrier layer L2 and other portions are exposed.
[0024]
According to the above insect-proof structure, the entire area barrier layer L1 formed by placing concrete under the floor of the building, that is, the entire surface of the soil S inside the foundation 2, and the inside of the foundation 2 in the entire area barrier layer L1. Since it is configured to include a partial barrier layer L2 formed by pre-laying inorganic particles 4 in advance under a place where it comes into contact and a place where it comes into contact with the peripheral surface of the pipe 3, termites and the like are contained in the soil S. Can be effectively prevented from entering the building.
[0025]
Since the entire area barrier layer L1 is a concrete layer, cracks and gaps may occur at locations in contact with rising structures such as the foundation 2 and the pipe 3, but the partial barrier layer L2 is formed below these locations. By being formed, intrusion of termites and the like from the location is prevented. On the other hand, since cracks and gaps are unlikely to occur in the whole area barrier layer L1 in places other than the above, the whole area barrier layer L1 prevents the entry of termites and the like. Therefore, the whole area barrier layer L1 and the partial barrier layer L2 reliably prevent the entry of termites and the like.
[0026]
Further, the partial barrier layer L2 has an indefinite shape because it is formed by spreading the inorganic particles 4, and therefore can be provided so as to easily follow a space of an arbitrary shape. In particular, since it can be easily and reliably provided at a portion in contact with a rising structure such as the foundation 2 or the pipe 3, the construction is easy and a defective portion hardly occurs.
[0027]
Further, if waste is used as the inorganic particles 4, it can contribute to reduction of waste.
[0028]
Moreover, since partial barrier layer L2 should just be formed locally, construction can be performed more easily and reliably. In particular, at the location in contact with the inside of the foundation 2, the partial barrier layer L2 can be provided using the holes provided for the construction of the foundation 2 as described above, so that the construction is further facilitated. . Moreover, in the location which touches the surrounding surface of the piping 3, it is only necessary to provide the partial barrier layer L2 in a few areas.
[0029]
Furthermore, since the partial barrier layer L2 is locally formed, a small amount of inorganic particles 4 can be used.
[0030]
In addition, by providing the barrier plate 5 disposed at the edge of the partial barrier layer L2 as described above, the partial barrier layer L2 is reliably supported without collapsing at the edge. Is done.
[0031]
Various additions and changes can be made in the insect-proof structure of the present invention. For example, as shown in FIG. 4, when the heat insulating material 6 is disposed along the outside of the foundation 2, at least the gap between the outer surface of the base 2 and the heat insulating material 6, and the heat insulating material. 6 The partial barrier layer L2 may be provided so as to close the gap inside. In general, when the outer surface of the foundation is exposed, it is not considered normal for termites to enter the building along the outer surface. When this occurs, termites or the like may enter between the outer surface of the foundation and the heat insulating material or through the heat insulating material. Therefore, by providing the partial barrier layer L2 so as to close the gap between the outer surface of the foundation 2 and the heat insulating material 6 and the gap inside the heat insulating material 6 as described above, intrusion of termites and the like is provided. Can be prevented.
[0032]
In the example shown in FIG. 4, the heat insulating material 6 made of a resin foam is disposed so as to overlap the outer surface of the base 2, and has a substantially L-shaped cross section from the lower end to the outer surface of the heat insulating material 6. Thus, the partial barrier layer L <b> 2 is formed along the length direction of the heat insulating material 6. The partial barrier layer L2 closes the gap between the outer surface of the base 2 and the lower end of the heat insulating material 6 and the gap inside the heat insulating material 6 so that termites and the like cannot enter. The partial barrier layer L2 may be provided so as to fill the entire space from the upper surface of the base 2a to the ground surface level outside the foundation 2, or a dog running or the like placed on the ground surface It may be provided so as to fill the space up to the bottom of the concrete.
[0033]
The insect repellent structure on the outside of the foundation as described above can be carried out by itself. That is, even when the insect repellent structure of the present invention is not applied to the inside of the foundation, such as when the insect repellent treatment is performed only by laying a wire net or the like inside the foundation, It is also possible to provide the partial barrier layer L2 as described above.
[0034]
Further, for example, a moisture proof sheet or the like may be laid in addition to the concrete layer as the entire area barrier layer L1 (not shown).
[0035]
Moreover, the insect-proof structure of this invention can be applied suitably also to the building where the solid foundation and dirt concrete were arrange | positioned, for example. In this case, a solid foundation slab or soil concrete can function as a whole area barrier layer.
[0036]
【The invention's effect】
As described above, according to the insect repellent structure of claim 1 of the present invention, the whole area barrier layer formed by placing concrete on the entire surface of the soil under the floor of the building, and the whole area barrier layer In this case, it is provided with a partial barrier layer formed by pre-laying inorganic particles in advance under the place in contact with the rising structure from the soil. Intrusion into the building can be easily and reliably prevented with a simple structure.
[0037]
By not using drugs, the human body, animals and plants, and the surrounding environment are not adversely affected. In addition, disposal of the remaining soil is not required when the building is demolished, and even if it is collected, it can be reused. Furthermore, an insect repellent effect is obtained semi-permanently and there is no need to re-perform insect repellent treatment.
[0038]
In addition, since the whole area barrier layer is a concrete layer, cracks and gaps are expected to be generated at locations that contact the rising structure from the soil, but a partial barrier layer is formed below the location. In this way, invasion of pests from the relevant part is prevented, while in the places other than the above, invasion of pests is prevented by the whole area barrier layer itself. Therefore, the invasion of pests is surely prevented by the whole area barrier layer and the partial barrier layer.
[0039]
The partial barrier layer is indefinite because it is formed by spreading inorganic particles, and can therefore be provided so as to easily follow a space of any shape. In particular, since it can be easily and reliably provided at a location in contact with the rising structure, construction is easy and a defective portion is hardly generated. In addition, if waste is used as the inorganic particles, it can contribute to reduction of waste.
[0040]
Further, since the partial barrier layer may be formed locally, it can be applied more easily and reliably, and a small amount of inorganic particles are used.
[0041]
Moreover, according to the insect repellent structure of the building according to claim 2 of the present invention, the lower end of the heat insulating material disposed so as to overlap the outer side surface of the foundation of the building is formed on the upper surface of the base on the outer side of the base. Since it was immersed in the partial barrier layer formed by laying inorganic particles so as to fill the space, it is easy for pests to enter between the outer surface of the foundation and the heat insulating material or through the heat insulating material and It can be surely prevented.
[0042]
In addition, according to the insect repellent structure for a building according to claim 3 of the present invention, since it further includes a weir plate disposed at an end edge of the partial barrier layer, the partial barrier layer is formed at the end edge. It is definitely supported without collapsing.
[Brief description of the drawings]
FIG. 1 is a schematic partial plan view showing an insect-proof structure of a building according to an embodiment.
FIG. 2 is a cross-sectional view taken along a line II in FIG.
FIG. 3 is a schematic cross-sectional view showing an example in which a dam plate is provided at an edge of a partial barrier layer.
FIG. 4 is a schematic cross-sectional view showing an example in which a partial barrier layer is provided outside the foundation.
[Explanation of symbols]
2 Foundation (rise structure)
3 Piping (rise structure)
4 inorganic particle S soil L1 whole area barrier layer L2 partial barrier layer

Claims (3)

  A structure for preventing the invasion of pests in a building, wherein the entire barrier layer formed by placing concrete on the entire surface of the soil under the building floor, and the rising structure from the soil in the entire barrier layer An insect-repellent structure for a building, comprising: a partial barrier layer formed by previously spreading inorganic particles locally under a contact portion. A structure for preventing the invasion of pests in a building, wherein the lower end of the heat insulating material arranged to overlap the outer side surface of the foundation of the building is filled with the space of the upper surface of the base outside the foundation. An insect repellent structure of a building characterized in that it is immersed in a partial barrier layer formed by spreading inorganic particles on the surface .   The insect repellent structure for a building according to claim 1, further comprising a dam plate disposed at an edge of the partial barrier layer.

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