JPH10212794A - Water-proof structure for pillar base part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water-proof structure having a high degree of water-poof ability, for a pillar base leg part for fixing a support pillar of a hand rail of a balcony or the like. SOLUTION: In a water-proof structure for a pillar base part S, a sealing material is applied over the outer surface of the upper part of the pillar base part S, and a band-like attaching sheet 1 made of, at least at its outer surface, a synthetic resin such as polyvinyl chloride is laid over the sealing material so that opposite end parts of the sheet 1 is overlapped with each other. A fixing member 2 is driven into at least the superposed end parts of the sheet 1, and a water-proof member 3 made of the synthetic resin of the same kind as that of the outer surface of the sheet 1, is welded so as to align the upper end edge thereof with the upper end edge of the attaching sheet 1. Further, the upper end edges of the attaching sheet 1 and the water-proof member 3 are caulked.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is directed to a beam for supporting a floor of an outdoor part of a building such as a rooftop, a balcony, a veranda, etc., and a supporting column for a waist wall or a handrail provided at an upper peripheral portion of the floor. The present invention relates to a waterproof structure for a column base.

[0002]

2. Description of the Related Art Generally, a waist wall or a handrail is provided on the periphery of an outdoor part of a building such as a rooftop, a balcony, or a veranda, and the waist wall or the handrail is supported by a supporting column.

In FIG. 1, in the case of a steel-framed building, the bottom of a support column 20 is fixed to a column base S, and the bottom of the column base S is fixed to a beam 10 of a skeleton.

[0004] The structure of the column base S and its peripheral portion will be described. The pillar base S includes a pillar S1 and upper and lower flanges S2 and S3. When mounting the column base S, the flange S3 at the lower end is attached to the beam 10 with the bolt and nut 4
This is done by being fixed at 0. The flange S2 at the upper end is used to fix the bottom of the support column 20. Also, the outer wall 30 is attached at the same time when the column base S is attached.

[0005] After the column base S and the outer wall 30 are attached, a floor such as a rooftop, a balcony, or a veranda is constructed.
In this construction, as shown in FIG. 9, first, a floor material 11 such as ALC is fixed to the upper surface of the beam 10. Thereafter, for example, the heat insulating material 12, the non-combustible plate 13, the waterproof sheet 14, the drain mat 1
5, and the precast block 16 are placed in order.

In particular, the waterproof sheet 14 is provided with the column base S
Is attached to the surface of the pillar S1 and the back surface and upper end surface of the outer wall 30 to prevent water such as rainwater from penetrating into the building through the surface of the pillar S1 of the pillar S and the outer wall 30. I'm preventing.

[0007]

However, in the above-mentioned conventional technique, the waterproof sheet 14 is peeled off from the surface of the pillar S1 of the pillar S by the vibration such as an earthquake or the changing weather. When there is a gap between the waterproof sheet 14 and
Water such as rainwater may enter the building from the gap due to the capillary phenomenon. When water such as rainwater enters the inside of the building, it corrodes the frame such as the beam 10 and weakens the strength of the building.

[0008] The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a waterproof structure for a column base having high waterproof properties.

[0009]

In order to achieve the above object, a waterproof structure for a column base according to the present invention comprises applying a sealing agent to an upper surface of the column base, and applying a sealing agent on at least the surface of the sealing agent. A belt-shaped mounting sheet made of a synthetic resin such as polyvinyl chloride is attached so that both ends thereof overlap, and a fastener is driven into at least a portion where both ends of the mounting sheet overlap, and A waterproof member made of the same kind of synthetic resin as the synthetic resin on the surface is welded and attached so that the upper edge of the waterproof resin substantially coincides with the upper edge of the mounting sheet. It is a waterproof structure for caulking the upper edge portion of the member.

After the fastener is driven into the mounting sheet, an intermediate sheet made of the same kind of synthetic resin as the synthetic resin on the surface of the mounting sheet and having a width larger than the width of the mounting sheet is removed. Welding and winding so that the upper edge and the upper edge of the mounting sheet substantially coincide,
A waterproofing member made of the same type of synthetic resin as the intermediate sheet is welded and attached from above the intermediate sheet so that the lower portion thereof overlaps. Further, the upper edge of the mounting sheet and the intermediate sheet is caulked. May be.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 2 to 4, 6 and 7, a flange S2 at the upper end of a column base S shown in FIG. The support column 20 fixed to S2 is omitted.

First, in the same manner as in the above-mentioned prior art, FIG.
As shown in FIG.
Fixed at. Then, as shown in FIG. 9, after the floor material 11 such as ALC is fixed to the upper surface of the beam 10, for example, the heat insulating material 12, the non-combustible plate 13, and the waterproof sheet 14 are placed in order.

At this time, unlike the prior art, the mounting of the waterproof sheet 14 is not affixed to the surface of the pillar S1 of the pillar S, and as shown in FIG. It is placed around S1. The waterproof sheet 14 is generally made of a synthetic resin such as polyvinyl chloride.

Next, a sealing agent is applied to the hatched portion A of FIG. 2 which is the upper surface of the pillar S1 of the pillar S, and a band-shaped mounting sheet 1 is stuck over the sealing agent. The mounting sheet 1 is formed by attaching a synthetic resin film of the same type as the waterproof sheet 14 to the front and back surfaces of a strip-shaped thin steel plate. Mounting sheet 1
Is attached so that both ends of the mounting sheet 1 overlap.

Silicon is suitable for the sealing agent, but an adhesive having a sealing effect and a butyl tape which is a double-sided tape having a sealing effect are also included in the sealing agent.

After the mounting sheet 1 is attached, as shown in FIG. 3, a fixing tool 2 such as a rivet is driven into a portion where both ends of the mounting sheet 1 overlap, and the mounting sheet 1 is securely fixed. You. The fixing tool 2 may be driven into other positions of the mounting sheet 1 as needed.

Thereafter, as shown in FIG.
Are welded and attached such that the upper edge thereof and the upper edge of the mounting sheet 1 substantially coincide with each other. The waterproof member 3 is a molded product made of the same kind of synthetic resin as the synthetic resin on the surface of the mounting sheet 1, and includes a cylindrical portion 3a and a flange portion 3b formed at one end thereof.

The waterproof member 3 is attached such that one cut is made in the waterproof member 3 vertically, the cut is opened, and the column S1 of the column base S and the mounting sheet 1 are inserted from the opened cut. The waterproof member 3 is divided into two parts by making another cut vertically, as shown in FIG. 4, and the pillar part S of the pillar base S is divided by the waterproof member 3 divided into two parts. It may be mounted so as to sandwich S1 and the mounting sheet 1. After this mounting, the cut is caulked.

The waterproof member 3 is attached by welding. In this welding, the surface of the mounting sheet 1 and the inner surface of the cylindrical portion 3a of the waterproof member 3 contacting the surface, and the bottom surface of the flange portion 3b of the waterproof member 3 and the waterproof sheet 14 of the portion contacting the bottom surface are heated by hot air. It is made by melting with fire or the like. In order to enable welding in this way,
The waterproof sheet 14, the surface of the mounting sheet 1, and the waterproof member 3 are made of the same kind of synthetic resin.

After the waterproof member 3 is welded and attached, as shown in FIG. 5, the mounting sheet 1 and the upper edge B of the waterproof member 3 are caulked to complete the waterproof structure of the column base S. . After that, for example, the drainage mat 15, the precast block 16, and the like are sequentially placed in the same manner as in the above-described conventional technique.

Next, another embodiment will be described. The following description will mainly focus on a portion different from the above-described embodiment, and the same or corresponding portions have the same reference characters allotted, and detailed description thereof will not be repeated. . As shown in FIG. 6, when the distance between the mounting sheet 1 and the waterproof sheet 14 attached to the upper part of the pillar S1 of the pillar S is large, the intermediary sheet 4 may be used. That is, after the fixing tool 2 such as a rivet is driven into the mounting sheet 1 in the same manner as in the above-described embodiment, the intermediate sheet 4 is set so that the upper edge of the intermediate sheet 4 substantially matches the upper edge of the mounting sheet 1. , Welded and wound.

The intermediate sheet 4 is made of the same kind of synthetic resin as the synthetic resin on the surface of the mounting sheet 1. Welding of the intermediary sheet 4 to the mounting sheet 1 is performed by melting the surface of the mounting sheet 1 and the inner surface of the intermediary sheet 4 in contact with this surface with hot air, flame, or the like.

After the intermediate sheet 4 is welded and wound, as shown in FIG. 7, the waterproof member 3 is welded and attached in the same manner as in the above-described embodiment. That is, the welding is performed on the inner surface and the upper end edge of the cylindrical portion 3a of the waterproof member 3 and the surface of the mediating sheet 4 that contacts the inner surface, and the bottom surface of the flange portion 3b of the waterproof member 3 and the portion that contacts the bottom surface. The waterproof sheet 14 is melted by hot air or flame.

After the waterproofing member 3 has been welded and attached, as shown in FIG. 8, the upper edge portions B of the attachment sheet 1 and the intermediate sheet 4 are made in the same manner as in the above-described embodiment.
Is caulked to complete the waterproof structure of the column base S.

[0025]

As described above, according to the waterproof structure of the column base according to the first aspect, the mounting sheet, the waterproof member, and the waterproof sheet are integrated by welding, the upper end is coked, and the inner surface is formed. Since it is sealed by the sealing agent, the waterproofness is high, and since the mounting sheet is securely fixed by the fixing tool, the integrated member does not shift or move.

Further, according to the waterproof structure of the pillar base of the second aspect, the mounting sheet, the intermediate sheet, the waterproof member, and the waterproof sheet are integrated by welding, the upper end is coked, and the inner surface is sealed with the sealing agent. Since it is sealed, it is highly waterproof, and since the mounting sheet is securely fixed by the fixing tool, the integrated member does not move or move.

[Brief description of the drawings]

FIG. 1 is a perspective view of a column base to which a waterproof structure of the present invention is applied.

FIG. 2 is a perspective view showing a construction process of a waterproof structure for a column base according to the embodiment of the present invention.

FIG. 3 is a perspective view showing a construction process of a waterproof structure of the column base.

FIG. 4 is a perspective view of a construction process of a waterproof structure of the column base.

FIG. 5 is a sectional view of a waterproof structure of the column base.

FIG. 6 is a perspective view of a construction process of a waterproof structure for a column base according to another embodiment of the present invention.

FIG. 7 is a perspective view showing a construction process of the waterproof structure of the column base.

FIG. 8 is a cross-sectional view of the waterproof structure of the column base.

FIG. 9 is a cross-sectional view of a conventional waterproof structure for a column base.

[Explanation of symbols]

 B Top edge part S Column base 1 Mounting sheet 2 Fixing tool 3 Waterproof member 4 Intermediate sheet 10 Beam 20 Supporting column

Claims (2)

[Claims] 1. A column base fixed to a beam supporting a floor of an outdoor part of a building such as a rooftop, a balcony or a veranda, and fixing a support column of a waist wall or a handrail provided on an upper peripheral portion of the floor, A sealing agent is applied to an upper surface of the column base, and a band-shaped mounting sheet having at least a surface made of a synthetic resin such as polyvinyl chloride is attached from above the sealing agent so that both ends thereof overlap. Then, a fastener is driven into at least a portion where both ends of the mounting sheet overlap, and a waterproof member made of the same kind of synthetic resin as the synthetic resin on the surface of the mounting sheet is attached to the upper end edge and the upper end of the mounting sheet. The waterproof structure of the column base portion, wherein the edge is substantially coincident with the welded portion and attached by welding, and the upper edge portion of the attachment sheet and the waterproof member is caulked. 2. After the fastener is driven into the mounting sheet, an intermediate sheet made of the same kind of synthetic resin as the synthetic resin on the surface of the mounting sheet and having a width larger than the width of the mounting sheet is removed. Welding and winding so that the upper end edge and the upper end edge of the attachment sheet substantially coincide with each other, and waterproofing made of the same kind of synthetic resin as the mediation sheet so that the lower portion of the mediation sheet overlaps the lower portion. The column base waterproof structure according to claim 1, wherein the members are welded and attached, and further, the upper edge portions of the attachment sheet and the intermediate sheet are caulked.