JP2007039986A - Waterproof-sheet fixing structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof-sheet fixing structure which can enhance waterproof performance of a joint between waterproof sheets adjacent to each other. <P>SOLUTION: In this waterproof-sheet fixing structure, the plurality of waterproof sheets are laid on a structure 10 in such a manner that edges of the respective waterproof sheets 12 adjacent to each other overlap each other; strip-shaped fixing members, in which a plurality of fixing anchors are arranged in a line at predetermined intervals along the edge of the waterproof sheet positioned below, are fastened via the fixing anchors, so that the waterproof sheets can be fixed onto the structure; a fixing seat surface of the fixing member is joined to the waterproof sheet positioned below; and the edge of the waterproof sheet positioned above is joined onto the waterproof sheet, positioned below, in such a manner as to straddle the fixing member. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a fixing structure for a waterproof sheet such as a flat roof.

Conventionally, as a fixing structure of this type of waterproof sheet, for example, as disclosed in Patent Documents 1 and 2, etc., a plurality of fixing anchors are fastened in a row at predetermined intervals to fix the end of the waterproof sheet. What fixes a waterproof sheet on a structure is known.
Japanese Patent No. 1683232 JP-A-5-1456

However, in this known example, a plurality of fixed anchors are fastened in a line at a predetermined interval, so that there is a problem that the preventive process between the fixed anchors is troublesome.
The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a waterproof sheet fixing structure capable of improving waterproof performance at a joint portion of adjacent waterproof sheets. There is.

  According to a first aspect of the present invention, a plurality of waterproof sheets are laid on a structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are provided along the edges of the waterproof sheets positioned below. The belt-like fixing members arranged in a line at predetermined intervals are fastened via the fixing anchors to fix the waterproof sheet on the structure, and the fixing members are positioned below the fixing seat surface. A waterproof sheet is joined, and an end edge of the waterproof sheet located above is joined to the waterproof sheet located below so as to straddle the fixing member.

  According to a second aspect of the present invention, a plurality of waterproof sheets are laid on a structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are provided along the edges of the waterproof sheets positioned below. The belt-like fixing members arranged in a line at predetermined intervals are fastened via the respective fixing anchors to fix the waterproof sheet on the structure, and the fixing members are positioned below the fixing seat surface. The waterproof sheet is bonded to the waterproof sheet, and the upper edge of the waterproof sheet is bonded to the lower waterproof sheet so as to straddle the fixing member, and the upper waterproof sheet is positioned downward. It is characterized by being joined on the edge of the waterproof sheet.

  According to a third aspect of the present invention, a plurality of waterproof sheets are laid on a structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are provided along the edges of the waterproof sheets positioned below. The belt-like fixing members arranged in a line at predetermined intervals are fastened via the respective fixing anchors to fix the waterproof sheet on the structure, and the fixing members are positioned below the fixing seat surface. The waterproof sheet is joined to the waterproof sheet, the edge of the waterproof sheet located above is joined to the waterproof sheet located below so as to straddle the fixing member, and the waterproof sheet located above and the fixing member It is characterized by being joined to the fixed seating surface.

  According to a fourth aspect of the present invention, a plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are provided along the edges of the waterproof sheets positioned below. The belt-like fixing members arranged in a line at predetermined intervals are fastened via the respective fixing anchors to fix the waterproof sheet on the structure, and the fixing members are positioned below the fixing seat surface. The waterproof sheet is bonded to the waterproof sheet, and the edge of the waterproof sheet positioned above is bonded to the waterproof sheet positioned below so as to straddle the fixing member, and the waterproof sheet and the fixing member positioned above The waterproof sheet located above is joined to the edge of the waterproof sheet located below.

  According to a fifth aspect of the present invention, a plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and the adhesive is adhered between the structure and the edges of the waterproof sheet positioned below. A belt-like fixing member formed by arranging a plurality of fixing anchors in a line at predetermined intervals along the edge of the waterproof sheet positioned below is provided by fastening the waterproof sheet via each fixing anchor. Is fixed on the structure, the fixed seating surface of the fixing member and the waterproof sheet positioned below are joined, and the upper edge of the waterproof sheet positioned above is fixed so as to straddle the fixing member. It is characterized by being bonded onto the waterproof sheet located at the position.

  According to a sixth aspect of the present invention, a plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and the adhesive is adhered between the structure and the edges of the waterproof sheet positioned below. A belt-like fixing member formed by arranging a plurality of fixing anchors in a line at predetermined intervals along the edge of the waterproof sheet positioned below is provided by fastening the waterproof sheet via each fixing anchor. Is fixed on the structure, the fixed seating surface of the fixing member and the waterproof sheet positioned below are joined, and the upper edge of the waterproof sheet positioned above is fixed so as to straddle the fixing member. The waterproof sheet is bonded to the waterproof sheet positioned at the top, and the waterproof sheet positioned above is bonded to the edge of the waterproof sheet positioned below.

  According to a seventh aspect of the present invention, a plurality of waterproof sheets are laid on the structure so that the edges of the adjacent waterproof sheets overlap each other, and are adhered between the structure and the edges of the waterproof sheet positioned below. A belt-like fixing member formed by arranging a plurality of fixing anchors in a line at predetermined intervals along the edge of the waterproof sheet positioned below is provided by fastening the waterproof sheet via each fixing anchor. Is fixed on the structure, the fixed seating surface of the fixing member and the waterproof sheet positioned below are joined, and the upper edge of the waterproof sheet positioned above is fixed so as to straddle the fixing member. The waterproof sheet is bonded on the waterproof sheet, and the waterproof sheet positioned above and the fixed seat surface of the fixing member are bonded to each other.

  According to an eighth aspect of the invention, a plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and the adhesive is adhered between the structure and the edges of the waterproof sheet positioned below. A belt-like fixing member formed by arranging a plurality of fixing anchors in a line at predetermined intervals along the edge of the waterproof sheet positioned below is provided by fastening the waterproof sheet via each fixing anchor. Is fixed on the structure, the fixed seating surface of the fixing member and the waterproof sheet positioned below are joined, and the upper edge of the waterproof sheet positioned above is fixed so as to straddle the fixing member. And joining the waterproof sheet positioned above and the fixed seat surface of the fixing member, and connecting the waterproof sheet positioned above to the end of the waterproof sheet positioned below Joined on the edge And wherein the door.

ADVANTAGE OF THE INVENTION According to this invention, the waterproofing in the junction part of the adjacent waterproof sheet can be performed reliably.
Moreover, according to this invention, the intensity | strength of the junction part of the adjacent waterproof sheet can be raised.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, description will be made based on the drawings showing an embodiment of the present invention.
1 and 2 show a waterproof sheet fixing structure 10 according to a first embodiment of the present invention.
The waterproof sheet fixing structure 10 according to the present embodiment is formed as follows, for example.
First, a pair of waterproof sheets 12 are laid at predetermined locations on a structure 11 such as a wall to be waterproofed such as a flat roof so that the edges 12a and 12b of the adjacent waterproof sheets 12A and 12B overlap each other. The waterproof sheet 12 is made of a synthetic resin, has a waterproof property, and has durability against an external force such as a tensile force. Moreover, the waterproof sheet 12 is carried in the field in a roll shape. Here, the set of waterproof sheets 12 has been described, but the waterproof sheets 12 are appropriately laid according to the structure.

  Next, along the end edge 12a of the waterproof sheet 12A located below, the belt-like fixing members 13 each having a long belt plate 13a such as a SUS plate and a needle-like anchor portion 13b are arranged in a line at a predetermined interval. The waterproof sheet 12 </ b> A is fixed on the structure 11. The thickness of the strip 13a is desirably set so that a step of 3 mm or more can be formed when the joining portion 14a is formed, as will be described later. The strip 13a is laminated with the same material as the waterproof sheet 12 so as not to damage the waterproof sheet 12A.

Next, an electromagnetic dielectric heating device is arranged on the band plate 13a of the fixing member 13, and the lower surface 13c of the band plate 13a of the fixing member 13 and the waterproof sheet 12A positioned below are joined by heat fusion by electromagnetic induction heating. Thus, the joint portion 14a is formed.
Next, the edge 12b of the waterproof sheet 12B positioned above is disposed on the waterproof sheet 12A positioned below so as to straddle the fixing member 13, and the both are bonded by an adhesive to form a bonded portion 14b.

  According to the present embodiment thus configured, the lower surface 13c of the band plate 13a of the fixing member 13 and the waterproof sheet 12A positioned below are integrated with each other via the joint portion 14a. As described above, the thick portion of the fixing member 13 forms a dam, and if there is water leakage A from the joint portion 14b, the water leakage A is guided in the longitudinal direction of the fixing member 13 and leaked from the joint portion 14a. Intrusion of A can be prevented.

As described above, according to the present embodiment, the joint portion 14a is formed by joining the lower surface 13c of the fixing member 13 and the waterproof sheet 12A located below to the bottom by heat fusion by electromagnetic induction heating. In addition, the waterproofness of the joint portion 14a is ensured.
Further, since the edge 12b of the waterproof sheet 12B located above is joined to the waterproof sheet 12A located below so as to straddle the fixing member 13, the joining portion 14b is formed. This eliminates the need for coating materials, adhesives, and the like.

Further, the joining portion 14b between the end edge 12b of the waterproof sheet 12B located above and the waterproof sheet 12A located below is a single joining line, and the man-hour increment is small.
In addition, although the said embodiment demonstrated the case where the junction part 14a of the lower surface 13c of the strip | belt board 13a of the fixing member 13 and the waterproof sheet 12A located below was formed by heat fusion | bonding by electromagnetic induction heating, this invention However, the present invention is not limited to this, and may be melt-bonding with a solvent or adhesion with an adhesive. In these cases, when the waterproof sheet 12A is fixed on the structure 11 by the fixed anchor portion 13b, it is necessary to apply a solvent or an adhesive to the lower surface 13c of the strip 13a.

Further, since the length of the fixing member 13 is limited, a joint portion is naturally generated. Therefore, the joint portion is separately waterproofed.
3 and 4 show a waterproof sheet fixing structure 20 according to a second embodiment of the present invention.
The waterproof sheet fixing structure 20 according to the present embodiment is different from the first embodiment in that the joint portion 14b of the waterproof sheet 12B located above is provided at two locations.

In this embodiment, even if there is water leakage A from one or both of the two waterproof portions 14b, the fixing member 13 serves as a weir to guide the water leakage A in the longitudinal direction of the fixing member 13 as shown in FIG. Intrusion of water leakage A from the joint portion 14a can be prevented.
Also in this embodiment, the same operational effects as in the first embodiment can be achieved.
5 and 6 show a waterproof sheet fixing structure 30 according to a third embodiment of the present invention.

The waterproof sheet fixing structure 30 according to this embodiment is different from the first embodiment in that the upper surface 13d of the band plate 13a of the fixing member 13 is joined to the waterproof sheet 12B positioned above.
The waterproof sheet fixing structure 30 according to the present embodiment is formed as follows, for example.
A pair of waterproof sheets 12 are laid in a predetermined location on the structure 11 such as a wall to be waterproofed such as a flat roof so that the edges 12a and 12b of the adjacent waterproof sheets 12A and 12B overlap each other, and the waterproof located below. Along the edge 12a of the sheet 12A, for example, a belt-like fixing member 13 having a long band plate 13a such as a SUS plate and a needle-like anchor portion 13b is fastened in a line at a predetermined interval, thereby attaching the waterproof sheet 12A. Fix on the structure 11.

Next, the end edge 12b of the waterproof sheet 12B positioned above is overlapped on the waterproof sheet 12A positioned below so as to straddle the fixing member 13, and both are bonded with an adhesive to form a bonded portion 14b.
Next, an electromagnetic dielectric heating device is arranged on the waterproof sheet 12B positioned above, and the band plate 13a of the fixing member 13 is disposed between the waterproof sheet 12B positioned above and the upper surface 13d of the band plate 13a of the fixing member 13. The lower surface 13c of the fixing member 13 and the waterproof sheet 12A located below are joined by heat fusion by electromagnetic induction heating to form joints 14a, 14c on the upper and lower surfaces 13c, 13d of the strip 13a of the fixing member 13. .

  According to the present embodiment, between the waterproof sheet 12B positioned above and the upper surface 13d of the band plate 13a of the fixing member 13, and between the lower surface 13c of the band plate 13a of the fixing member 13 and the waterproof sheet 12A positioned below. Are joined by thermal fusion by electromagnetic induction heating, and the joint portions 14a and 14c are formed on the upper and lower surfaces 13c and 13d of the strip 13a of the fixing member 13, so that the weir formed by the fixing member is reliably closed. Thus, the joint 14a can be reliably sealed.

According to this embodiment, it becomes possible to raise the intensity | strength of a junction part rather than the fixing structure 10 of the waterproof sheet which concerns on 1st embodiment.
Also in this embodiment, the same operational effects as in the first embodiment can be achieved.
In the above embodiment, the waterproof sheet 12B positioned above and the upper surface 13d of the band plate 13a of the fixing member 13 and the lower surface 13c of the band plate 13a of the fixing member 13 and the waterproof sheet 12A positioned below. Although the case of thermal fusion by electromagnetic induction heating has been described, the present invention is not limited to this, and may be melt adhesion by a solvent or adhesion by an adhesive. In these cases, the fixing member 13 is fastened via the fixing anchor portion 13b, and the waterproof sheet 12A is fixed on the structure 11 via the lower surface 13c of the band plate 13a, and the waterproof sheet 12B located above When fixing on the upper surface 13d of the band plate 13a of the fixing member 13, it is necessary to apply a solvent or an adhesive to the upper and lower surfaces 13c, 13d of the band plate 13a.

7 and 8 show a waterproof sheet fixing structure 40 according to a fourth embodiment of the present invention.
The waterproof sheet fixing structure 40 according to the present embodiment is different from the third embodiment in that the joint portion 14b of the waterproof sheet 12B positioned above is provided at two locations.
Also in this embodiment, the same operational effects as in the third embodiment can be achieved.
9 and 10 show a waterproof sheet fixing structure 50 according to a fifth embodiment of the present invention.

The waterproof sheet fixing structure 50 according to the present embodiment includes a fixing member 13 directly between the base of the joint and the waterproof sheet 12A positioned below, and is water-proof, waterproof, and water-repellent up to the end of the lower fabric. This is different from the first embodiment in that the adhesive 15 having adhesive or the tape 15 to be bonded is continuously pasted.
Here, it is desirable that the tape 15 is excellent in adhesiveness with the waterproof sheet 12 </ b> A positioned below and the base, and has a certain degree of waterproofness at the interface and high durability. Examples of the adhesive material satisfying these performances include butyl.

The waterproofness of the interface can be expected to have the effect of compressive force by the fixing member 13, but at this time, after the welding of the band plate 13a of the fixing member 13 and the lower fabric is completed, as shown in FIG. By tightening (indicated by arrows), it can be expected to be more effective.
Also in this embodiment, the same operational effects as in the first embodiment can be achieved.
In the above-described embodiment, the tape 15 has been described as an adhesive or adhesive having water shielding, waterproof, and water repellent performance. However, the present invention is not limited to this, and the tape 15 may not necessarily have adhesive and adhesive properties. Alternatively, a gasket made of EPDM (ethylene / propylene / diene rubber) or the like that exerts an effect by the compressive force generated by tightening the fixing member 13 may be used.

12 and 13 show a waterproof sheet fixing structure 60 according to a sixth embodiment of the present invention.
The waterproof sheet fixing structure 60 according to the present embodiment is different from the fifth embodiment in that the joint portion 14b of the waterproof sheet 12B positioned above is provided at two locations.
Also in this embodiment, the same operational effects as in the fifth embodiment can be achieved.
In each of the above embodiments, the case where the band plate-shaped fixing member 13 is used has been described. However, the present invention is not limited to this, and for example, as shown in FIG. It is good also as a box section shape member bent and processed.

It is sectional drawing which shows the fixing structure 10 of the waterproof sheet which concerns on 1st embodiment of this invention. It is explanatory drawing which shows the effect | action of the fixing structure 10 of the waterproof sheet of FIG. It is sectional drawing which shows the fixing structure 20 of the waterproof sheet which concerns on 2nd embodiment of this invention. It is explanatory drawing which shows the effect | action of the fixing structure 20 of the waterproof sheet of FIG. It is sectional drawing which shows the fixing structure 30 of the waterproof sheet which concerns on 3rd embodiment of this invention. It is explanatory drawing which shows the effect | action of the fixing structure 30 of the waterproof sheet of FIG. It is sectional drawing which shows the fixing structure 40 of the waterproof sheet which concerns on 4th embodiment of this invention. It is explanatory drawing which shows the effect | action of the fixing structure 40 of the waterproof sheet of FIG. It is sectional drawing which shows the fixing structure 50 of the waterproof sheet which concerns on 5th embodiment of this invention. It is explanatory drawing which shows the effect | action of the fixing structure 50 of the waterproof sheet of FIG. It is explanatory drawing which shows the effect | action of the fixing structure 50 of the waterproof sheet of FIG. It is sectional drawing which shows the fixing structure 60 of the waterproof sheet which concerns on 6th embodiment of this invention. It is explanatory drawing which shows the effect | action of the fixing structure 60 of the waterproof sheet of FIG. It is a perspective view which shows another fixing member used for this invention.

Explanation of symbols

10, 20, 30, 40, 50, 60 Waterproof sheet fixing structure 11 Structure 12 Waterproof sheet 12A Waterproof sheet 12B positioned below Waterproof sheet 12a positioned above Waterproof sheet 12a positioned below Position 12b of waterproof sheet positioned below End of waterproof sheet 13 Fixed member 13a Band plate 13b of fixed member 13 Anchor portion 13c of fixed member 13 Lower surface 13d of band plate Upper surface 14a, 14b, 14c of band plate Joint 15

Claims (10)

  A plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are arranged in a row at predetermined intervals along the edges of the waterproof sheets positioned below. A band-shaped fixing member formed is fastened via the fixing anchor to fix the waterproof sheet on the structure, and the fixing seat surface of the fixing member and the waterproof sheet positioned below are joined. A waterproof sheet fixing structure, wherein an edge of the waterproof sheet positioned above is joined onto the waterproof sheet positioned below so as to straddle the fixing member.   A plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are arranged in a row at predetermined intervals along the edges of the waterproof sheets positioned below. The band-shaped fixing member thus arranged is fastened via each fixing anchor to fix the waterproof sheet on the structure, and the fixing seat surface of the fixing member and the waterproof sheet positioned below are joined. The upper edge of the waterproof sheet is bonded to the lower waterproof sheet so as to straddle the fixing member, and the upper end of the waterproof sheet is positioned downward. A waterproof sheet fixing structure characterized by being joined on an edge.   A plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are arranged in a row at predetermined intervals along the edges of the waterproof sheets positioned below. The band-shaped fixing member thus arranged is fastened via each fixing anchor to fix the waterproof sheet on the structure, and the fixing seat surface of the fixing member and the waterproof sheet positioned below are joined. The waterproof sheet positioned above is joined to the waterproof sheet positioned below so as to straddle the fixing member, and the waterproof sheet positioned above and the fixed seating surface of the fixing member are joined together. A waterproof sheet fixing structure characterized by being joined.   A plurality of waterproof sheets are laid on the structure so that edges of adjacent waterproof sheets overlap each other, and a plurality of fixed anchors are arranged in a row at predetermined intervals along the edges of the waterproof sheets positioned below. The band-shaped fixing member thus arranged is fastened via each fixing anchor to fix the waterproof sheet on the structure, and the fixing seat surface of the fixing member and the waterproof sheet positioned below are joined. The upper edge of the waterproof sheet is joined to the lower waterproof sheet so as to straddle the fixing member, and the upper waterproof sheet and the fixed seat of the fixing member are joined together. A structure for fixing a waterproof sheet, characterized in that the waterproof sheet positioned above and bonded to the upper edge of the waterproof sheet positioned below is bonded.   A plurality of waterproof sheets are laid on the structure so that the edges of the adjacent waterproof sheets overlap each other, and an adhesive layer is provided between the structure and the edges of the waterproof sheet positioned below, A belt-like fixing member formed by arranging a plurality of fixed anchors in a line at predetermined intervals along the edge of the waterproof sheet is fastened via each fixed anchor, and the waterproof sheet is placed on the structure. The waterproof sheet that is fixed and is joined to the fixed seat surface of the fixing member and the waterproof sheet that is positioned below, and is positioned below the edge of the waterproof sheet that is positioned above the fixing member. A waterproof sheet fixing structure characterized by being bonded to the top.   A plurality of waterproof sheets are laid on the structure so that the edges of the adjacent waterproof sheets overlap each other, and an adhesive layer is provided between the structure and the edges of the waterproof sheet positioned below, A belt-like fixing member formed by arranging a plurality of fixed anchors in a line at predetermined intervals along the edge of the waterproof sheet is fastened via each fixed anchor, and the waterproof sheet is placed on the structure. The waterproof sheet that is fixed and is joined to the fixed seat surface of the fixing member and the waterproof sheet that is positioned below, and is positioned below the edge of the waterproof sheet that is positioned above the fixing member. A waterproof sheet fixing structure, wherein the waterproof sheet is bonded to the upper side and bonded to the edge of the waterproof sheet positioned below.   A plurality of waterproof sheets are laid on the structure so that the edges of the adjacent waterproof sheets overlap each other, and an adhesive layer is provided between the structure and the edges of the waterproof sheet positioned below, A belt-like fixing member formed by arranging a plurality of fixed anchors in a line at predetermined intervals along the edge of the waterproof sheet is fastened via each fixed anchor, and the waterproof sheet is placed on the structure. The waterproof sheet that is fixed and is joined to the fixed seat surface of the fixing member and the waterproof sheet that is positioned below, and is positioned below the edge of the waterproof sheet that is positioned above the fixing member. A waterproof sheet fixing structure characterized by joining the upper waterproof sheet and the fixing seat surface of the fixing member.   A plurality of waterproof sheets are laid on the structure so that the edges of the adjacent waterproof sheets overlap each other, and an adhesive layer is provided between the structure and the edges of the waterproof sheet positioned below, A belt-like fixing member formed by arranging a plurality of fixed anchors in a line at predetermined intervals along the edge of the waterproof sheet is fastened via each fixed anchor, and the waterproof sheet is placed on the structure. The waterproof sheet that is fixed and is joined to the fixed seat surface of the fixing member and the waterproof sheet that is positioned below, and is positioned below the edge of the waterproof sheet that is positioned above the fixing member. The upper waterproof sheet and the fixing seat surface of the fixing member are bonded together, and the upper waterproof sheet is bonded onto the edge of the lower waterproof sheet. Characterized by Fixed structure of the waterproof sheet.   The waterproof sheet fixing structure according to any one of claims 1 to 8, wherein the fixing seat surface of the fixing member and the waterproof sheet positioned therebelow are bonded by heat fusion or solvent by electromagnetic induction heating. A waterproof sheet fixing structure, wherein the waterproof sheet is formed by fusion bonding or adhesive. The waterproof sheet fixing structure according to any one of claims 1 to 9, wherein the adhesive layer is formed by applying an adhesive or adhesive tape having a water shielding, waterproof, and water repellent function on the structure. A waterproof sheet fixing structure characterized by being formed.

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