JP2006291567A - Fixing member, combination between waterproof sheet fixture and fixing member, and waterproof base structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a new type of fixing member which can prevent rotation or contrarotation demonstrated by a conventional fixing member such as a twisting-type screw, and to provide a waterproof base structure excellent in durability. <P>SOLUTION: The fixing member 1 is provided. The fixing member 1 functions to fix a waterproof sheet fixture 2 to a waterproof substrate 3. The fixing member 1 has a retaining portion 4 making contact with the waterproof sheet fixture 2 and fixing the same to the waterproof substrate 3, and the retaining portion 4 has a cover layer 5 arranged on a surface close to the waterproof sheet fixture 2. The fixing member 1 thus formed is useful when combined with the waterproof sheet fixture 2, and therefore it is prevented from slipping out or loosening, to thereby provide the waterproof base structure 11 excellent in durability. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  In the present invention, a waterproof sheet fixing method used in a building structure, in particular, a waterproof sheet fixing tool used in a mechanical fixing method of a waterproof sheet (hereinafter sometimes simply referred to as “fixing tool”) should be waterproofed. The present invention relates to a fixing member for fixing to a base, a combination of a waterproof sheet fixture and a fixing member, and a waterproof base structure, and more particularly, the present invention relates to a technique for preventing a fixing member such as a screw screw from coming off due to vibration or the like. .

  The anchors used in the machine waterproofing method for the waterproof sheet are roughly classified into two types, that is, a driving type and a screw type screw screw. Both types are made of metal.

Drive-in type anchors are mainly used for concrete foundations. On the other hand, screw-type screw screws are designed and used so as to be applicable to concrete foundations and metal foundations (see, for example, Patent Documents 1 and 2).
Japanese Patent Laid-Open No. 10-77722 JP 2005-42394 A

  Anchors used for waterproofing sheet waterproofing are often mechanically fixed directly to the waterproof base, while screw screws are not only directly fixed to the waterproof base, but also through insulation. In some cases, it is fixed to a lip channel steel used for some metal roofs, beams, etc. of the building structure.

  General anchors, particularly driven-in type anchors, are considered to be resistant to falling off due to vibrations of a fixed object. However, the present inventor has found that an anchor such as a screw-in type screw screw is extremely weak against disconnection due to vibration of a fixed object.

  An object of the present invention is to provide a new type of fixing member capable of suppressing rotation and reversal indicated by a fixing member such as a screw-in type screw screw, and to provide a waterproof base structure with excellent durability. is there.

  The present invention is a fixing member for fixing a waterproof sheet fixing tool to a waterproof base, and has a pressing part that contacts the waterproof sheet fixing tool and fixes the waterproof sheet fixing tool to the waterproof base, the pressing part The said waterproof sheet fixing tool side is related to the fixing member by which the coating layer is provided in the surface. The present invention also relates to a combination of a waterproof sheet fixture using such a fixing member and a fixing member, and a waterproof base structure.

  According to the present invention, a fixing member pressing portion of a fixing member such as an anchor can be bonded to a waterproof sheet fixing tool, thereby providing a remarkable resistance to the removal of the fixing member due to vibration of a fixed object such as a waterproof base. Based on this knowledge.

  The present inventor has found that a screw-in type screw screw is remarkably weak with respect to slippage due to vibration of a fixed object. Under such knowledge, the present inventor further researched and found that this cause is due to vibration of the fixed object, etc., and the screw screw vibrates and falls off by reversing in the direction opposite to the rotational direction to be tightened. It was a phenomenon.

  Examples of the force that works to pull out anchors and screws used in the sheet waterproofing machine fixing method include wind and vibration of the structure itself. Due to these forces, in particular, a screw reversal force acts on a screw-in type screw screw.

  In the present invention, the fixing member such as a screw screw has a pressing portion at a portion in contact with the waterproof sheet fixing tool to be fixed, and a coating layer is provided on the surface of the pressing portion on the waterproof sheet fixing tool side. In the present invention, such a covering layer can be bonded to the surface of the waterproof sheet fixture and, in particular, to the sheet adhesive layer made of resin or rubber covering the surface.

  According to the present invention, it is possible to obtain a fixing member that can be prevented from loosening or coming off due to rotation or reversal due to vibration or the like, and the fixing member is used together with a waterproof sheet fixture that is fixed to a waterproof base or the like. Thus, it is possible to provide a waterproof base structure with excellent durability.

(1) (Waterproof substrate)
It is the base that should be waterproofed. In the structure, it is a desired part that is required to be waterproof. For example, a structure such as a building may be indoors, but the surface of a structural frame exposed to wind and rain such as a roof is representative. A horizontal part and a vertical part are also included. The waterproof sheet fixing tool is fixed, and the waterproof sheet is adhered on the fixing tool and covered with the waterproof sheet. Concrete foundation, metal foundation, metal roof, beam, lip channel steel, etc. are included. The waterproof base includes a base such as a heat insulating material provided on the ground such as a concrete base.

(2) (Waterproof sheet)
It is constructed on the surface of a waterproof base. The waterproof base does not have a waterproof function, cannot prevent deterioration of the waterproof base itself, and cannot prevent water leakage into the structure indoors. In such a case, the waterproof sheet prevents the base from deteriorating by preventing the waterproof base from coming into direct contact with water, earth and sand, etc., or preventing the waterproof base from being directly exposed to wind and rain, ultraviolet rays, etc. Can do.

  The waterproof sheet can be made of various materials. Typical materials used for the waterproof sheet are rubber, asphalt, and thermoplastic resin.

  What is regarded as important as a waterproof sheet is durability, workability at the construction site, and good workability. From such a viewpoint, preferably, a thermoplastic resin is used from among the above-mentioned materials. With thermoplastic resin waterproof sheets, it is possible to eliminate the removal and adjustment of the waterproof base by performing an insulation method in which it is partially fixed to the waterproof base without attaching it to the waterproof base, thereby shortening the waterproof construction period. be able to.

  As the waterproof sheet, a sheet formed of at least one material selected from the group consisting of thermoplastic resins can be used. Particularly preferably, the waterproof sheet is made of a thermoplastic resin such as polyvinyl chloride resin.

(3) (Waterproof sheet fixture)
This is for mechanically fixing the waterproof sheet to the waterproof base. Various materials can be used, and a waterproof sheet that can be solvent-welded or heat-welded can be used. In the latter case, metal fittings can also be used.

(3-1) (Sheet adhesive layer)
The waterproof sheet fixture may include a sheet adhesive layer that can be bonded to the waterproof sheet on the surface. The sheet adhesive layer can be bonded to a coating layer provided on the pressing portion of the fixing member at a mounting hole portion to be described later. The sheet adhesive layer can be made of at least one material selected from the group consisting of resin and rubber. The sheet adhesive layer can be made of the same material as the waterproof sheet.

  Preferably, the sheet adhesive layer is formed of a layer that can sufficiently adhere to both the waterproof sheet fixture and the waterproof sheet. In addition, the sheet adhesive layer can have a two-layer structure of a fixture side layer on the fixture side, a fixture side layer, and a sheet side layer on the waterproof sheet side. The fixture side layer can be a layer that can be firmly adhered to the waterproof sheet fixture, and the sheet side layer can be a layer that can be firmly adhered to the waterproof sheet and the fixture side layer.

(3-2) Mounting hole The waterproof sheet fixture can have a mounting hole for fixing on a waterproof base, in addition to having a main flat portion for solvent welding or heat welding to the waterproof sheet. A fixing member such as a screw-in type screw screw can be inserted into the surface of the waterproof base via the mounting hole, and the waterproof sheet fixture can be fixed to the waterproof base.

  The mounting hole may be a through-hole for driving a fixing member such as a screw screw, and can be provided at the center of the waterproof sheet fixing tool. The mounting hole and the fixing member can have a shape and a structure provided with an inclination or a gradient so that the head of the fixing member does not protrude from the surface of the waterproof sheet fixture.

(4) (Fixing member)
This is for fixing the waterproof sheet fixing tool to the waterproof base. Various shapes and materials can be used, and in addition to a screw-in type anchor, screw screw, or the like, a drive-in type can also be used. The driving type can also provide adhesion between the coating layer and the waterproof sheet, and can suppress the disconnection due to excessive vibration or the like.

(4-1) (Fixing part)
It is a part which contacts a waterproof sheet fixing tool and fixes a waterproof sheet fixing tool with respect to a waterproof base. A coating layer is provided on the surface of the pressing portion on the fixture side. The coating layer can be sufficiently bonded to the presser part and further to the waterproof sheet fixture.

(4-2) (Coating layer)
Preferably, the coating layer is fixed to the pressing portion and can be solvent-welded or heat-welded to the waterproof sheet fixture. The covering layer may have a two-layer structure including a fixture side layer on the fixture side and a presser side layer on the presser side. The fixing device side layer can be a layer that can be firmly bonded to the waterproof sheet fixing device, and the pressing portion side layer can be a layer that can be firmly bonded to the pressing portion and the fixing device side layer.

  The coating layer can be made of at least one material selected from the group consisting of resin and rubber. As mentioned above, there are various types of resins and rubbers, such as those having strong adhesive strength with metals, those that adhere strongly to waterproof sheets, and those that show strong adhesive strength between resin and rubber, etc. There is. These resins and the like can be variously selected, and can be laminated in layers and bonded to a desired surface of the pressing portion. The covering layer and the sheet adhesive layer may be the same material or different materials, and may be the same material as the material of the waterproof sheet. Further, the coating layer can be firmly fixed to the pressing portion of the fixing member with an adhesive or the like.

  The fixing member can be made of various shapes and materials. There are no particular restrictions on the material used for ordinary screw-type screw screws. Stainless steel materials and general steel materials can be used. Moreover, the fixing member which provides these as a core material may be sufficient, and the antirust process for protecting a core material etc. can be performed as needed. These processes are not particularly limited.

(4-3) (Sealing material)
The present invention can be applied to a contact portion between the mounting hole of the waterproof sheet fixing tool and the pressing portion of the fixing member. The sealing material may be made of various shapes and materials. Preferably, the sealing material is a liquid material obtained by dissolving a waterproof sheet with a solvent. The liquid sealing material can adhere the waterproof sheet fixture and the fixing member in a watertight manner.

(5) (Combination of waterproof sheet fixing tool and fixing member)
Using such a fixing member, a combination of a waterproof sheet fixing tool and a fixing member can be obtained. In such a combination, the waterproof sheet fixture includes a sheet adhesive layer that can be bonded to the waterproof sheet on the surface, and the fixing member is in contact with the waterproof sheet fixture and fixes the waterproof sheet fixture to the waterproof base. The presser portion has a covering layer on the surface of the waterproof sheet fixture, and the sheet adhesive layer and the covering layer can be bonded.

(6) (Waterproof base structure)
Moreover, if the combination of the above-described waterproof sheet fixture and fixing member is used, a waterproof base structure having excellent durability can be obtained. In such a waterproof base structure, the waterproof sheet fixture includes a sheet adhesive layer that can adhere to the waterproof sheet on the surface, and the fixing member contacts the waterproof sheet fixture and fixes the waterproof sheet fixture to the waterproof base. It has a pressing part, and the pressing part has a coating layer on the surface of the waterproof sheet fixture, and the sheet adhesive layer and the coating layer are bonded.

(7) (Construction method of waterproof sheet fixture)
Various methods are used for the construction method of the waterproof sheet fixture. In particular, after fixing the fixture to a predetermined position on the base to be waterproofed by a fixing member such as an anchor, a waterproof sheet is adhered to the fixture, and the waterproof base is covered with the waterproof sheet.

  In constructing the waterproof sheet fixture on the waterproof base, first, a waterproof sheet fixture and a fixing member are prepared. The above-mentioned thing can be used for a waterproof sheet fixture. Next, the waterproof sheet fixing tool is fixed on the waterproof base using a fixing member, the waterproof sheet is arranged on the fixing tool, the heat-melt adhesive layer is melted, and the waterproof sheet is bonded to the waterproof sheet fixing tool. .

  When using electromagnetic induction heating, cover the waterproof base on which the fixture is fixed with a waterproof sheet, heat the conductor part of the fixture by electromagnetic induction from the top of the waterproof sheet, and the heat fusion adhesive layer on the upper surface of the fixture by the generated heat Melts and exerts the adhesive function with the waterproof sheet.

  It is possible to melt and bond at least one of the waterproof sheet, the fixing tool, the waterproof sheet, the heat-melting adhesive layer, and the fixing tool by induction heating from the upper surface of the waterproof sheet. In particular, if the hot-melt adhesive layer is a two-layer structure of a conductor side layer and a sheet side layer, the waterproof sheet and the fixture are firmly bonded, and a stable waterproof layer is efficiently formed on the waterproof base. .

The present invention will be described in more detail with reference to the drawings.
FIG. 1 is a side view showing an example of a fixing member of the present invention. FIG. 2 is a cross-sectional view showing a waterproof base structure of an example of the present invention obtained using the fixing member of FIG.

  As shown in FIGS. 1 and 2, the fixing member 1 fixes a waterproof sheet fixing bracket 2 to a waterproof base 3 to form a waterproof base structure 11. The fixing member 1 has a presser portion 4 that contacts the waterproof sheet fixing bracket 2 and fixes the waterproof sheet fixing bracket 2 to the waterproof base 3. A coating layer 5 is provided on the surface of the presser portion 4 on the side of the waterproof sheet fixing bracket 2.

  1 and 2 show schematic views of a screw-in type screw screw, a waterproof sheet fixture, and a metal plate base, but fixing members of various shapes and materials, a waterproof sheet fixture, and a waterproof base can be used. .

  The fixing member 1 includes a screw main body 1A and includes a screw head 1B. The screw head 1 </ b> B constitutes a presser part 4, and the presser part 4 is provided with a coating layer 5.

  The waterproof base 3 includes a metal plate 3A as a base body and a heat insulating material 3B laid on the metal plate 3A. Although not shown, the fixing metal fittings 2 are arranged on the heat insulating material 3B at a predetermined interval. In the fixing bracket 2, the fixing member 1 is screwed into the mounting hole 2A, and the fixing bracket 2 is mechanically fixed to the metal plate 3A.

  As shown in FIG. 2, by applying a sealing material 6 in which a waterproof sheet is dissolved with a solvent around the screw head 1 </ b> B of the fixing member 1, the fixing bracket 2 and the fixing member 1 are more firmly attached. Can be fixed.

  The covering layer 5 of the pressing portion 4 of the fixing member 1 can have sufficient flexibility like the waterproof sheet, and the screw head 1B protrudes from the surface of the fixing bracket 2 as shown in FIG. You can avoid that.

  The fixing metal fitting 2 has a sheet adhesive layer 2A on its surface layer, and the sheet adhesive layer 2A can be made of the same material as the waterproof sheet. By applying the sealing material 6, the fixing metal fitting 2 and the fixing member 1 Can be firmly bonded.

  Further, when the waterproof sheet is made of vinyl chloride resin, even when the sealing material 6 is not applied, when the fixing metal 2 and the waterproof sheet main body are solvent-welded, the solvent is fixed to the fixing metal 2 with this solvent. Since the covering layer 5 of the pressing portion 4 of the member 1 is fixed, it is possible to prevent the fixing member 1 from being inverted and loosened.

  In the present invention, by using a waterproof sheet fixing tool and a fixing member that can be bonded to the waterproof sheet, waterproofing the sheet to a waterproof substrate such as a metal substrate prevents the screw screw that has been driven and fixed from coming off due to a strong wind such as a typhoon. This makes it possible to perform reliable sheet waterproofing.

It is a side view which shows the fixing member of one example of this invention. It is sectional drawing which shows the waterproof base structure of one example of this invention obtained using the fixing member of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fixing member 2 Fixing tool 3 Waterproof base 4 Presser part 5 Cover layer 11 Waterproof base structure

Claims (6)

  A fixing member for fixing a waterproof sheet fixing tool to a waterproof base material, the fixing member being in contact with the waterproof sheet fixing tool and having a presser part for fixing the waterproof sheet fixing tool to the waterproof base material, the waterproof sheet of the presser part A fixing member in which a coating layer is provided on a surface on the fixing tool side.   The fixing member according to claim 1, wherein the covering layer is made of at least one material selected from the group consisting of a resin and rubber.   The fixing member according to claim 1 or 2, wherein the covering layer includes a pressing portion side layer on the pressing portion side and a fixing member side layer on the waterproof sheet fixing device side.   The fixing member according to any one of claims 1 to 3, wherein the waterproof sheet fixture includes a sheet adhesive layer that can be bonded to the waterproof sheet on a surface, and the covering layer can be bonded to the sheet adhesive layer. .   A combination of a waterproof sheet fixture and a fixing member, the waterproof sheet fixture having a sheet adhesive layer that can be bonded to the waterproof sheet on the surface, and the fixing member is in contact with the waterproof sheet fixture to fix the waterproof sheet A pressing part for fixing the tool to the waterproof base, the pressing part is provided with a coating layer on the surface of the waterproof sheet fixing tool, and the sheet adhesive layer and the coating layer can be bonded to each other. A combination of a waterproof sheet fixing tool and a fixing member.   A waterproof base structure comprising a waterproof base, a waterproof sheet fixture, and a fixing member, wherein the waterproof sheet fixture includes a sheet adhesive layer that can be bonded to the waterproof sheet on the surface, and the fixing member is the waterproof sheet. A holding portion that contacts the fixing device and fixes the waterproof sheet fixing device to a waterproof base, the pressing portion includes a covering layer on a surface of the waterproof sheet fixing device, and the sheet adhesive layer; A waterproof base structure in which the coating layer is bonded.

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