JP2011099321A - Termite-proof structure of building and building having the structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a termite-proof structure of a building which can surely protect a framework, a floor framing and the like from insect damage by termites without polluting the environment in a building, and a building having the structure. <P>SOLUTION: In the termite-proof structure of a building which prevents a termite 5 from entering into an under-floor space 6 by closing the outside of a joint 4 between a foundation slab 2 in a mat foundation 1 of a building A and an outer peripheral rising portion 3 erected so as to extend in the circumferential direction from the outer periphery of the upper surface of the foundation slab 2 positioned higher than the ground surface of the peripheral area by a termite-proof sheet 7, the outside of the joint 4 is closed by bonding the termite-proof sheet 7 to the outer peripheral rising portion 3 and the outer peripheral surface of the foundation slab 2 so that the cross-section of the termite-proof sheet 7 is made flat. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an ant-proof structure for a building and a building for preventing a termite from passing through a joint between a foundation slab and an outer peripheral rising portion in a solid foundation of the building and entering an under-floor space.

  Conventional termite control techniques in buildings include, for example, (1) a method of treating the ground (soil) under the floor of a building and a xylem within 1 m of the ground with a chemical, and (2) a chemical on the ground under the floor. A method of laying a synthetic resin sheet kneaded with bismuth is known.

  However, in the conventional example (1) as described above, there is a problem such as chemical hypersensitivity caused by the drug, that is, the environment in the building is contaminated by the chemical substance and the medicinal effect is cut off in about 5 years. Therefore, there is a problem that reprocessing is necessary.

  Further, in the conventional example (2), there is a problem that termites may enter from the gap around the synthetic resin sheet.

  The present invention has been made in view of the problems as described above, and a building ant-proof structure capable of reliably protecting a frame assembly, floor assembly, and the like from termite damage without contaminating the environment in the building, and its The purpose is to provide buildings.

  To achieve the above object, the ant protection structure according to claim 1 is erected so as to extend in the circumferential direction from the outer peripheral portion of the foundation slab on the solid foundation of the building and the upper surface of the foundation slab located higher than the surrounding ground surface. An ant-proof structure of a building that prevents termites from passing into the space under the floor by closing the outside of the seam with the outer peripheral rising portion with an ant-proof sheet, and the cross-section of the ant-proof sheet is flat. The ant-proof sheet is adhered to the outer peripheral rising portion and the outer peripheral surface of the foundation slab so as to be in a state, thereby closing the outer side of the joint.

  According to a second aspect of the present invention, the termite-proof sheet is made of a durable corrosion-resistant material that is resistant to the termite secretion and has a Shore hardness of at least about 70.

  In the ant proof structure according to claim 3, the ant proof sheet is a mesh sheet having a large number of holes having a linear dimension smaller than the maximum linear dimension of the termite head cross section in any direction.

  A building according to claim 4 has the ant proof structure according to any one of claims 1 to 3.

  According to the invention of claim 1 and claim 4, if the seam is closed by the ant-proof sheet, it can be prevented that the termite sheet becomes an obstacle and termites enter the underfloor space through the seam, Therefore, it is possible to reliably protect the frame assembly and floor assembly from the damage caused by termites without polluting the environment in the building.

  According to invention of Claim 2 and Claim 4, since an ant-proof sheet consists of the said corrosion-resistant material, there is no possibility that it may be eaten away by a termite, Therefore Invasion of the termite into the underfloor space can be prevented more reliably.

  According to invention of Claim 3 and Claim 4, since an ant-proof sheet | seat is the said mesh sheet | seat, it can be more firmly attached by an anchor effect in the case of adhesion | attachment by adhesion | attachment mortar, etc., and it is embed | buried in a standing part or pressing concrete. In this case, there is an advantage that it can be more firmly integrated by the anchor effect. Moreover, since the linear dimension of the hole is smaller than the maximum linear dimension of the termite head cross section in any direction, the termite does not pass through the mesh sheet.

The schematic longitudinal cross-sectional view which shows the ant-proof structure of the building which concerns on 1st Embodiment. The principal part expansion longitudinal cross-sectional view near the inner side of a seam. (a) is a plan view of a termite, (b) is a cross-sectional view taken along line YY of (a). The principal part enlarged plan view of an ant-proof sheet. The principal part expansion longitudinal cross-sectional view which shows the ant-proof structure of the building which concerns on 2nd Embodiment. The schematic longitudinal cross-sectional view which shows the ant structure of the building which concerns on 3rd Embodiment. The principal part expansion longitudinal cross-sectional view of the seam vicinity. The principal part expansion longitudinal cross-sectional view which shows the ant-proof structure of the building which concerns on 4th Embodiment. The principal part expansion longitudinal cross-sectional view which shows the ant-proof structure of the building which concerns on 5th Embodiment. The principal part expansion longitudinal cross-sectional view which shows the ant-proof structure of the building which concerns on 6th Embodiment. The schematic longitudinal cross-sectional view which shows the ant-proof structure of the building which concerns on 7th Embodiment. The principal part expansion longitudinal cross-sectional view of the seam vicinity. The principal part expanded longitudinal cross-sectional view which shows the state which interposed the ant-proof sheet between the concrete formwork and the base part in the ant-proofing method of the building which concerns on 8th Embodiment. The principal part expansion longitudinal cross-sectional view which shows the state which bent the ant-proof sheet | seat which embed | buried the outer end in the standing part, and supported the inner end in the predetermined position. The principal part expansion longitudinal cross-sectional view which shows the state which embed | buried the inner end of the ant-proof sheet | seat in the pressing concrete. The principal part expanded longitudinal cross-sectional view which shows a mode that the ant-proof sheet | seat folded in half in the building which concerns on 9th Embodiment is fixed inside a concrete formwork. The principal part expansion longitudinal cross-sectional view which shows the state which fixed the ant-proof sheet | seat folded in half inside the concrete formwork. The principal part expansion longitudinal cross-sectional view which shows the state which set up the standing part. The principal part expansion longitudinal cross-sectional view which shows a mode that the inner end side of an ant-proof sheet | seat is bent. The principal part expansion longitudinal cross-sectional view which shows the state which supported the inner end of the ant-proof sheet | seat in the predetermined position. The principal part expansion longitudinal cross-sectional view which shows the state which embed | buried the inner end of the ant-proof sheet | seat in the pressing concrete. The principal part expansion longitudinal cross-sectional view which shows the state which clamped the ant-proof sheet | seat between the lower mold frame and the upper mold frame in the ant preventive construction method of the building which concerns on 10th Embodiment. The schematic plan view which shows an example of the clamping state of the ant-proof sheet | seat in a corner part. The schematic plan view which shows the other example of the clamping state of the ant-proof sheet | seat in a corner part. The principal part expansion longitudinal cross-sectional view which shows the state which set up the standing part. The principal part expansion longitudinal cross-sectional view which shows the state which embed | buried the inner end of the ant-proof sheet | seat in the pressing concrete. The principal part expansion longitudinal cross-sectional view which shows the state which attached the inner end of the ant-proof sheet | seat on the pressing concrete in the ant-proof construction method of the building which concerns on 11th Embodiment. The principal part expanded longitudinal cross-sectional view which shows the state which embed | buried the inner end of the ant-proof sheet in the pressing concrete in the ant-proof construction method of the building which concerns on 12th Embodiment. The principal part expanded vertical sectional view which shows the state which inserted the lower end of the ant-proof sheet | seat in the uncured base part in the ant-proof construction method of the building which concerns on 13th Embodiment. The principal part expansion longitudinal cross-sectional view which shows the state which embed | buried the upper end of the ant-proof sheet | seat in the pressing concrete.

  Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 4, the termite structure of the building A according to the first embodiment is such that the termites 5 pass through the joint 4 between the foundation slab 2 and the outer peripheral rising portion 3 in the solid foundation 1 of the building A. Intrusion into the underfloor space 6 is prevented, and for example, the inner side of the joint 4 is closed with an ant-proof sheet 7.

  As shown in FIG. 1, the foundation slab 2 is entirely constructed under the floor of the building A, and abandoned concrete 8 and cracked stone 9 are constructed below the foundation slab 2. In addition, the longitudinal cross-sectional shape of the foundation slab 2 is not specifically limited, Conventionally well-known various structures are employable. Further, a moisture-proof sheet or the like may be laid between the split stone 9 and the discarded concrete 8 or between the discarded concrete 8 and the foundation slab 2 as necessary.

  The outer peripheral rising portion 3 is erected so as to extend in the circumferential direction at the outer peripheral portion on the foundation slab 2, and a joint 4 is formed at a joint portion between the basic slab 2 and the outer peripheral rising portion 3. An underfloor space 6 is formed inward of the outer peripheral rising portion 3, and a rising portion 10 extending in a columnar shape or vertically and horizontally is provided as needed.

  Termite 5 is an incompletely transformed insect living in a social life closely related to cockroaches, and is a collective term for termites (Isoptera) Isoptera. This termite 5 has a non-deformable rigid head 5a as shown in FIG. Examples of such termites 5 include various types of termites such as Yamato termites and termites.

  As the ant-proof sheet 7, for example, a synthetic resin sheet kneaded with an ant-preventing agent such as "ant break (trade name, manufactured by Fukubi Chemical Co., Ltd.)" Examples include conventionally known various sheet materials and plate materials having an ant-proofing property such as glass fiber sheets coated with an ant-proofing agent such as “manufactured by company”, but resistant to secretions such as formic acid released from termites 5 In addition, it is preferable that the termite 5 has a Shore hardness of at least about 70, which is a hardness that cannot be chewed, and is made of a durable corrosion-resistant material having a service life of several tens of years in a use environment.

  Examples of the ant-proof sheet 7 include a sheet material or a plate material made of a metal or a synthetic resin made of the corrosion-resistant material. As shown in FIG. 4, the material is woven from the stainless steel wire 11. In any direction, the stainless steel mesh 7S having a number of meshes (holes) 12 having a linear dimension smaller than the maximum linear dimension H of the cross section of the head 5a of the termite 5 [for example, “TERMI-MESH (trade name)” A mesh sheet that is excellent in flexibility and that can be easily shaped by cutting, bending, and contouring at the time of bending is preferable.

  The mesh sheet as the termite barrier material is, for example, wire lath woven or knitted from fibers, filaments, strands, etc. of ceramics, glass, synthetic resin, metal (especially stainless steel), etc. in addition to the stainless mesh 7S. Various materials such as non-woven fabric, punching metal, and metal lath can be used. In short, what is necessary is just to have many holes, such as the mesh | network 12. The shape of the hole is not particularly limited, and may be an appropriate shape such as a rectangular shape or a circular shape.

  As shown in FIG. 2, the ant-proof sheet 7 configured as described above is attached to the outer peripheral rising portion 3 and the foundation slab 2 so as to close the inside of the joint 4. In order to attach the ant-proof sheet 7, the adhesive mortar 13 in which an appropriate polymer or the like is blended with the mortar is applied in a state where the ant-proof sheet 7 is bent or molded so as to have an L-shaped cross section. What is necessary is just to adhere | attach on the outer periphery rising part 3 and the foundation slab 2, etc. Prior to bonding with the bonding mortar 13, it is desirable to fix it with a fixing member (not shown) such as a nail, a nail with a locking washer (for example, manufactured by Hirto), or a staple.

  Thus, if the seam 4 is closed by the ant-proof sheet 7, even if the termite 5 enters the seam 4 from the outdoor D, the ant-proof sheet 7 becomes an obstacle to prevent entry into the underfloor space 6. The Therefore, there exists an advantage that the frame group B, the floor group C, etc. can be reliably protected from the damage by the termite 5 without polluting the environment in the building A.

  Here, when the ant-proof sheet 7 made of the corrosion-resistant material is used, there is no possibility that the termite 5 may be eaten away, so that the termite 5 can be more reliably prevented from entering the underfloor space 6. . Even when a mesh sheet is used as the ant-proof sheet 7, the linear dimension of the holes such as the mesh 12 is smaller than the maximum linear dimension H of the cross section of the head 5a of the termite 5 in any direction. It is impossible to go through the seat. In addition, since the mesh sheet has a large number of holes, there is an advantage that the mesh sheet can be more firmly attached by an anchor effect at the time of bonding by the bonding mortar 13 or the like.

  In this case, the maximum linear dimension H is about 1.1 to 1.25 mm for termite ants, and about 1.0 to 1.2 mm for termite ants, so in areas where Yamato termites live, It is desirable that the linear dimension of the hole be about 2.0 mm or less in any direction. Further, examples of the fine aggregate contained in the adhesive mortar 13 include sand and the like that the termite 5 cannot chew on, but in order to prevent the applied adhesive mortar 13 from being eroded by the termite 5 in any part. It is desirable to use a material having a size that passes through the material and to have a mutual distance smaller than the maximum linear dimension H.

  As shown in FIG. 5, the ant proof structure of the building A according to the second embodiment is such that the outside of the joint 4 is closed by the ant proof sheet 7 in the first embodiment. Therefore, there is an advantage that it is possible to prevent the termite 5 from passing through the joint 4 and entering the under-floor space 6 due to the obstruction of the adhesive mortar 13 and the ant protection sheet 7.

  In this case, the ant-proof sheet 7 is fixed to the outer peripheral rising portion 3 and the foundation slab 2 by applying the adhesive mortar 13 after being fixed with the above-described fixing member as necessary in a state where the cross section is flat. What is necessary is just to adhere | attach.

  As shown in FIGS. 6 and 7, the termite structure of the building A according to the third embodiment is such that the termites 5 connect the joints 36 between the rising portions 33 and 34 of the fabric foundations 31 and 32 of the building A and the presser concrete 35. It prevents passage and intrusion into the underfloor space 6, and is such that, for example, the upper side of the joint 36 is closed by the ant-proof sheet 7.

  The fabric foundations 31 and 32 are constructed on the outer peripheral portion of the building A and on the inner side thereof, and the cross section is formed in an inverted T shape from the rising portion 33 (34) and the base portion 37 (38). The inner ground 39 of the rising portion 33 that is constructed on the outer peripheral portion and extends in the circumferential direction is divided into a plurality of sections by the rising portion 34 that is constructed inward and continues vertically and horizontally. Below the fabric foundations 31 and 32, abandoned concrete 8 and cracked stone 9 are constructed.

  The presser concrete 35 is constructed on the ground 39 surrounded by the outer peripheral portion and the inner rising portions 33 and 34 through, for example, crushing gravel 40, and a wire mesh or the like is embedded therein. A moisture-proof sheet or the like may be laid between the presser concrete 35 and the crushed gravel 40 or between the crushed gravel 40 and the ground 39 as necessary.

  The ant-proof sheet 7 is attached to the rising portions 33 and 34 and the presser concrete 35 so as to close the upper side of the joint 36 with an L-shaped cross section, for example, with a fastening member, an adhesive mortar 13 or the like. Yes. Therefore, even when termites enter the joint 36 from the ground 39, there is an advantage that the ant protection sheet 7 can be prevented from entering the underfloor space 6 due to an obstacle.

  Here, as in this embodiment, if the expansion / contraction folds 41 are extended along the circumferential direction, for example, at the corners or the like of the ant protection sheet 7, Even when the relative position to the presser concrete 35 fluctuates, the expansion and contraction fold 41 extends and contracts, so that the ant-proof sheet 7 can be prevented from coming off from the rising parts 33 and 34 and the presser concrete 5 and there is no need for repair. There is. In this case, it is desirable to apply the adhesive mortar 13 by opening a predetermined range including the expansion and contraction fold 41 so that the expansion and contraction fold 41 is not embedded. Further, the expansion / contraction folds 41 may be extended in advance on the ant-proof sheet 7 by folding back a predetermined range, or may be extended at a construction site.

  Furthermore, if the ant-proof sheet 42 is laid under the presser concrete 35, even if a crack occurs in the presser concrete 35, the termite 5 can be prevented from passing through the crack and entering the underfloor space 6. There is an advantage.

  The ant-proof sheet 42 may be laid between the crushing gravel 40 and the ground 39 in addition to between the presser concrete 35 and the crushing gravel 40. As such a presser-proof ant-proof sheet 42, the thing similar to the ant-proof sheet | seat 7 can be used.

  As shown in FIG. 8, the ant protection structure of the building A according to the fourth embodiment is such that the inner end 7 b of the ant protection sheet 7 is embedded in the holding concrete 35 in the third embodiment. Therefore, the inner end 7b of the ant-proof sheet 7 can be securely attached to the presser concrete 35 and can be embedded when the presser concrete 35 is placed, so that there is an advantage that the mounting work can be saved.

  In this case, the outer end 7 a of the ant-proof sheet 7 may be attached to the rising portions 33 and 34 with the fastening member, the adhesive mortar 13 or the like before the presser concrete 35 is applied. The inner end 7b of the ant-proof sheet 7 may be embedded by placing the presser concrete 35 in a state where the inner end 7b is bent at an appropriate portion and supported at a predetermined position. In addition, it is desirable to extend the expansion / contraction pleat portion 41 at a position higher than the presser concrete 35 so as not to be buried by placing the presser concrete 35.

  Here, as in this embodiment, if the inner end 7b of the termite-proof sheet 7 is bent at least once in an appropriate direction such as upward, there is an advantage that it is difficult to come out from the presser concrete 35 after being embedded.

  As shown in FIG. 9, the ant proof structure of the building A according to the fifth embodiment is that the outer end 7 a of the ant proof sheet 7 is temporarily fixed to the rising portions 33 and 34 by the adhesive tape 51 in the fourth embodiment. The outer end 7a of the ant-proof sheet 7 and the adhesive tape 51 are fixed to the rising portions 33 and 34 by a fastening member such as a nail 52. Therefore, there is an advantage that the attaching work of the outer end 7a of the ant-proof sheet 7 can be easily performed.

  The pressure-sensitive adhesive 53 used for such a pressure-sensitive adhesive tape 51 is preferably made of an asphalt-based material or a coal tar-based material having ant-proofing properties, and is applied when it is applied to the rising portions 33 and 34 or after heating. At this time, it is more desirable to have a viscosity that passes through the hole of the ant-proof sheet 7. In addition to the nail 52, the fastening member may be, for example, a staple or a screw. Temporary fixing and fixing of the outer end 7a of the ant-proof sheet 7 may be performed before the presser concrete 35 is constructed, as in the fourth embodiment.

  As shown in FIG. 10, the ant protection structure of the building A according to the sixth embodiment is similar to the second to fifth embodiments in that the vertical plate 62 of the ant protection agent 61 is attached to the rising portions 33 and 34 by the fastening members. The horizontal plate 63 of the ant protection member 61 is fixed in the holding concrete 35, and the upper end 7c of the ant protection sheet 7 is attached to the rising portions 33, 34 with the fastening member or the adhesive mortar 13, and the ant protection sheet 7 The lower end 7d is attached to the vertical plate 62 with a fastening member or an adhesive mortar 13.

  The ant protection appliance 61 is formed from a vertical plate 62 and a horizontal plate 63 to be long and have an L-shaped cross section. The material of the ant protection article 61 is not particularly limited, but is made of a relatively hard synthetic resin such as polyvinyl chloride or polypropylene, or a metal such as aluminum or stainless steel so as not to be eaten by the termite 5. It is desirable to configure.

  In this way, the seam 36 is closed by the ant protection member 61 and the upper part of the ant protection member 61 is closed by the ant protection sheet 7, so that the termites 5 pass through the seam 36 and enter the underfloor space 6. There is an advantage that can be prevented.

Here, as in this embodiment, if the protruding plate 64 protruding in the appropriate direction is extended along the circumferential direction at the tip of the horizontal plate 63, there is an advantage that it is difficult to come out from the presser concrete 35 after being embedded. .

  As shown in FIGS. 11 and 12, the ant proof structure of the building A according to the seventh embodiment is the lower part of the concrete 35 holding the ant proof sheet 7 instead of the ant proof sheet 42 in the second to fifth embodiments. In addition, the outer end 7 a of the ant protection sheet 7 is attached to the rising portions 33 and 34 with a fastening member or an adhesive mortar 13. Therefore, the termite 5 can be prevented from passing through the joint 36 and entering the underfloor space 6, and even if a crack is generated in the presser concrete 35, the termite 35 passes through the crack and enters the underfloor space 6. There is an advantage that can be surely prevented.

  The outer end 7a of the ant-proof sheet 7 may be attached before or after the presser concrete 35 is installed.

  As shown in FIGS. 13 to 15, the ant protection method for the building A according to the eighth embodiment is a method for constructing the ant proof sheet 7 so as to close the joint 36 in the fourth and fifth embodiments. Then, the outer end 7a of the ant protection sheet 7 is embedded in the rising portions 33 and 34, the ant protection sheet 7 is bent and the inner end 7b is supported at a predetermined position, and then the inner end of the ant protection sheet 7 is 7 b is embedded in the holding concrete 35.

  That is, first, as shown in FIG. 13, when the concrete molds 81 and 82 for placing the rising portion 33 are erected on the base portion 37 with a space therebetween, the inner concrete mold is placed. The ant-proof sheet 7 is sandwiched between the frame 81 and the base portion 37, and an appropriate portion is bent to support the outer end 7a at a predetermined position. In addition, when constructing by an integral casting method in which the base portion 37 and the rising portion 33 are placed almost simultaneously or simultaneously, the ant-proof sheet 7 is disposed below the inner concrete mold 81 in the same manner as described above. Just keep it.

  Next, as shown in FIG. 14, if the rising portion 33 is driven, the outer end 7 a of the ant protection sheet 7 is embedded in the rising portion 33. Therefore, the outer end 7a of the ant-proof sheet 7 can be reliably attached to the rising portion 33 and can be embedded when the rising portion 33 is placed, so that there is an advantage that the mounting work can be saved.

  After removing the concrete molds 81 and 82, an appropriate portion of the ant protection sheet 7 is bent and the inner end 7b is supported at a predetermined position. Further, as shown in FIG. 15, after the backfill of the soil around the fabric foundation 31 and the construction of the crushing gravel 40 or the laying of the ant-proof sheet 42 as necessary, the presser concrete 35 is placed, The inner end 7 b of the ant-proof sheet 7 is embedded in the presser concrete 35. Note that the same operation as described above may be performed on both sides of the rising portion 34 at the inner rising portion 34.

  In this way, if the ant-proof sheet 7 is sandwiched between the base part 37 and the concrete mold 81, the ant-proof sheet 7 can be arranged easily, and after the arrangement, the rising parts 33, 34 and the presser concrete are arranged. If 35 etc. are constructed, there is an advantage that the construction cost can be reduced since the mounting work of the ant-proof sheet 7 by the fastening member, the adhesive mortar 13 or the like is unnecessary. In addition, it is desirable that the outer end 7a and the inner end 7b of the ant-proof sheet 7 be bent at least once in an appropriate direction such as upward as in this embodiment. There is an advantage that it is difficult to come off from the rising portions 33 and 34 and the presser concrete 35. Further, when a mesh sheet is used as the ant-proof sheet 7, since it has a large number of holes, there is an advantage that it can be more firmly integrated by an anchor effect when embedded in the rising portion 33 or the presser concrete 35.

  As shown in FIGS. 16 to 21, the ant protection method for the building A according to the ninth embodiment is folded in half with the release paper 91 interposed therebetween and the outer end 7 a is outward in the eighth embodiment. The inner end 7b side of the bent ant protection sheet 7 is formed by a plurality of magnets 92 on a formwork surface 81a that comes into contact with the concrete of the concrete formwork 81 inside the concrete formwork 81, 82 made of steel, for example. The rising portion 33 is placed in a fixed state along the circumferential direction.

  As shown in FIGS. 16 and 17, the ant-proof sheet 7 is folded in half with the release paper 91 sandwiched therebetween, and the outer end 7a is bent outward. If the concrete formwork 81 is made of steel, it may be fixed by the magnet 92 as in this embodiment. However, when the concrete formwork 81 made of wood or synthetic resin is used, it is possible to fix nails or staples. You may fix the ant-proof sheet | seat 7 with a landing member.

  As shown in FIG. 18, if the rising portion 33 is driven in this state, the outer end 7 a side of the ant protection sheet 7 and the magnet 92 are embedded in the rising portion 33, but the inner end 7 b side is the release paper 91. Not buried by intervention. As shown in FIGS. 19 and 20, after the concrete molds 81 and 82 are removed, the inner end 7b side of the termite-proof sheet 7 is bent to remove the release paper 91, and the inner end 7b is supported at a predetermined position. To do. In this case, the expansion / contraction pleat 41 may be extended along the circumferential direction at a predetermined position of the ant protection sheet 7 as necessary.

  Furthermore, as shown in FIG. 21, after the backfilling of the soil around the fabric foundation 31 and the construction of the crushing gravel 40 or the laying of the ant-proof sheet 42 as necessary, the presser concrete 35 is placed, The inner end 7 b of the ant-proof sheet 7 is embedded in the presser concrete 35. Note that the same operation as described above may be performed on both sides of the rising portion 34 at the inner rising portion 34.

  In this way, if the ant-proof sheet 7 folded in half is fixed in advance to the mold surface 81a of the concrete mold 81, the ant-proof sheet 7 can be easily arranged, and the rising parts 33 and 34 are arranged after the arrangement. If the presser concrete 35 or the like is constructed, there is an advantage that the construction cost can be reduced since the attachment work of the ant-proof sheet 7 by the fastening member, the adhesive mortar 13 or the like is unnecessary.

  As shown in FIGS. 22 to 26, the ant-proof method for the building A according to the tenth embodiment is the same as that of the lower mold 81A and the lower mold 81A. The rising portion 33 is placed in a state where the ant-proof sheet 7 is sandwiched between the upper mold 81B and the upper mold 81B so that the outer end 7a protrudes outward.

  As shown in FIG. 22, the ant-proof sheet 7 is sandwiched between the lower mold frame 81A and the upper mold frame 81B in a flat state. The lower mold 81A and the upper mold 81B are integrated vertically by a clamping member (not shown) such as a clamp.

  In addition, as shown in FIG. 23, what is necessary is just to hold | grip so that the edge parts 7e of the elongate anti-rust sheet | seat 7 may overlap | superpose in corner parts, such as a protrusion corner part and an entrance corner part. Alternatively, as shown in FIG. 24, an ant-proof sheet 7 as a corner accessory having a L-shape in plan view is used at the corner, and both ends 7f of the L-shaped ant-proof sheet 7 and a long ant-proof ant You may make it hold | grip with the edge part 7e of the sheet | seat 7 in the state each superposed | polymerized, adhere | attached, or entrained.

  If the rising portion 33 is driven in this state, the outer end 7a of the ant protection sheet 7 is embedded in the rising portion 33 as shown in FIG. When the ant-proof sheet 7 is made of a soft material, a relatively hard sheet material or plate material such as semi-rigid or hard material is placed on the lower surface of the ant-proof sheet 7 so that the presser concrete 35 can be easily placed. It is desirable that the termite-proof sheet 7 is supported horizontally or the like by being polymerized or by being bonded and integrated on the upper surface or the lower surface.

  Next, as shown in FIG. 26, after the backfill of the soil around the fabric foundation 31 and the construction of the crushing gravel 40 and the laying of the ant-proof sheet 42 as necessary, the presser concrete 35 is placed, The inner end 7 b of the ant-proof sheet 7 is embedded in the presser concrete 35. In this case, the height of the lower mold 81 </ b> A and the upper mold 81 </ b> B may be set so that the inner end 7 b of the ant protection sheet 7 is embedded in the presser concrete 35 as it is. Note that the same operation as described above may be performed on both sides of the rising portion 34 at the inner rising portion 34.

  In this way, if the ant-proof sheet 7 is sandwiched between the lower mold frame 81A and the upper mold frame 81B, the ant-proof sheet 7 can be easily arranged, and the rising parts 33 and 34 and the presser are arranged after being arranged in advance. If the concrete 35 or the like is constructed, there is an advantage that the construction cost can be reduced because the work of attaching the ant-proof sheet 7 by the fastening member, the adhesive mortar 13 or the like is unnecessary.

  As shown in FIG. 27, the ant protection method for the building A according to the eleventh embodiment is the same as that in the tenth embodiment, after the outer end 7a of the ant protection sheet 7 is buried at a higher position of the rising portion 33. The inner end 7 b of the ant sheet 7 is bonded to the holding concrete 35 with a fastening member or an adhesive mortar 33. Therefore, there is an advantage that the expansion / contraction fold 41 can be extended in advance on the termite-proof sheet 7 or can be extended by being bent after being embedded in the rising portion 33.

  As shown in FIG. 28, in the ant protection method for the building A according to the twelfth embodiment, in the eleventh embodiment, the outer end 7a of the ant protection sheet 7 is buried at a higher position of the rising portion 33. After the sheet 7 is bent and the inner end 7 b is supported at a predetermined position, the inner end 7 b of the ant-proof sheet 7 is embedded in the holding concrete 35. Therefore, similarly to the eleventh embodiment, there is an advantage that the expansion / contraction fold portion 41 can be extended in advance on the ant-proof sheet 7 or can be extended by being bent after being embedded in the rising portion 33.

  As shown in FIG. 29 and FIG. 30, the ant protection method for the building A according to the thirteenth embodiment is the same as that in the eighth to twelfth embodiments, after the base portion 37 is placed, The lower end 7d of the ant protection sheet 7 extending in the circumferential direction and having the sinking prevention protrusion 101 is inserted and embedded so that the sag prevention protrusion 101 contacts the uncured base part 37. The upper end 7 c of the sheet 7 is embedded in the holding concrete 35.

  Placing the base portion 37 may be performed together with the rising portion 33 by the integrated driving method described above. In this case, in addition to the concrete molds 81 and 82, the concrete molds 103 and 104 for the base portion 37 may be arranged at predetermined positions.

  On the ant-proof sheet 7, a settling-preventing protrusion 101 is horizontally provided so as to be folded or molded into a T shape at a predetermined position. As shown in FIG. 29, the lower end 7 of the ant-proof sheet 7 is embedded in an uncured base portion 37 in a state where the squat prevention protrusion 101 is inserted into contact with the uncured base portion 37. Good. Thus, if the protrusion 101 for the settlement is provided in a projecting manner, it is possible to reliably prevent the ant protection sheet 7 from sinking when the lower end 7d of the ant protection sheet 7 is inserted into the uncured base part 37. Therefore, there is an advantage that the ant-proof sheet 7 can be disposed at a relatively early stage after the base portion 37 is placed. If the protrusion 101 for preventing settlement is not provided, the lower end 7d of the ant-proof sheet 7 is inserted after waiting for the concrete viscosity of the base portion 37 to increase to some extent so that the ant-proof sheet 7 does not sink. That's fine.

  Thereafter, as shown in FIG. 30, if the presser concrete 35 is placed after the inside and outside of the ant-proof sheet 7 are backfilled, the upper end 7 c of the ant-proof sheet 7 is embedded in the presser concrete 35. In the inner rising portion 34, the same operation as described above may be performed on the base portion 38 on both sides of the rising portion 34.

  If the ant-proof sheet 7 is arranged in this manner, the space between the base portion 37 and the presser concrete 35 can be closed, so that the termites 5 pass through the joint 4 between the rising portion 33 and the presser concrete 35 and enter the underfloor space. There is an advantage that it can prevent intrusion.

  In the above 2nd thru | or 13th embodiment, although the case where the fabric foundation 32 was constructed also inside the fabric foundation 31 of an outer peripheral part was demonstrated, it is not limited to this, The inner fabric foundation 32 Instead of the above, a plurality of conventionally known floor bundles or the like that are erected on the entire surface of the presser concrete 35 that is installed on the entire surface may be installed.

A Building 1 Solid foundation 2 Foundation slab 3 Outer peripheral edge 4 Seam 5 Termite 6 Underfloor space 7 Anti-floor sheet 7a Outer end 7b Inner end 7c Upper end 7d Lower end 7S Stainless steel mesh (mesh sheet)
12 mesh (hole)
31, 32 Cloth foundation 33, 34 Standing part 35 Pressing concrete 36 Joint 37, 38 Base part 39 Ground 41 Expansion / contraction fold part 42 Pressing ant-proof sheet 51 Adhesive tape 52 Nail (fastening member)
61 ant-proofing material 62 vertical plate 63 horizontal plate 64 projecting plate 81, 82 concrete formwork 81 a formwork surface 81 A lower formwork 81 B upper formwork 91 release paper 101 settling prevention protrusion

Claims (4)

Sealing the outside of the joint between the foundation slab in the solid foundation of the building and the outer peripheral rising part standing so as to extend in the circumferential direction from the outer peripheral part of the upper surface of the foundation slab located higher than the surrounding ground surface with an anti-rust sheet It is a building ant-proof structure that prevents termites from passing through and entering the underfloor space,
A building characterized in that the outer side of the seam is closed by adhering the ant-proof sheet to the outer peripheral rising part and the outer peripheral surface of the foundation slab so that the transverse section of the ant-proof sheet is flat. Ant-proof structure.   The building ant structure of claim 1, wherein the ant proof sheet comprises a durable, corrosion resistant material that is resistant to the termite secretions and has a Shore hardness of at least about 70.   The ant-proof structure of a building according to claim 1 or 2, wherein the ant-proof sheet is a mesh sheet having a large number of holes having a linear dimension smaller than the maximum linear dimension of the termite head cross section in any direction.   A building having an ant proof structure according to any one of claims 1 to 3.

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