JPH07119261A - Waterproofing execution method of roof or balcony and drainage channel member - Google Patents

Abstract

PURPOSE:To reduce field waterproofing execution in constructing a balcony large enough to stretch over two building units. CONSTITUTION:At the time of carrying out the waterproofing execution of a balcony, each of waterproof plates 40 is set up on each top face of two bedding materials 20 constituting each balcony of two balcony units A and B to be connected as adjoined with each other at the stage of unit manufacturing, and these waterproof plates 40 are attached tight to the bedding materials 20 excepting the vicinity of a connected part S between these units themselves, manufacturing the units A and B. Next, when these units A and B are connected at a construction site, a drainage ditch member 30 housed with a fitting holding member 60 is inset in a recess 25 in a gap with the bedding material 20 formed in the connected part S in a state that a nonsticking part of the waterproof plate 40 in and around the connecting part S is turned upward. In succession, after this insetting, the waterproof plates 40 of both units A and B are restored to its original form, and a joint 41 to be formed in space between both the waterproof plates 40 and 40 is closed by a joint material 70 from the upside of the waterproof plate 40, while a tip of the joint material 70 is fitted in a fitting holding member 60 in the drainage groove member 30 and locked tight.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof construction method for a roof or a balcony in a unit building, and a drain groove member used directly for implementing the method.

[0002]

2. Description of the Related Art As one method for increasing the industrial production rate of buildings, for example, a unit building method is known as disclosed in Japanese Patent Laid-Open No. 55-152236.
A unit building is a building in which one building is divided into several units in advance and produced in a factory, and these are constructed / assembled at a construction site. This unit building has the advantages that quality control and cost reduction can be realized by factory production, and that each unit can be transported, and according to the request of the owner and the environment of the construction site, Since it is possible to change the adjacency and the combination in various ways, it has an excellent advantage that the owner can be provided with houses of various floor plans and sizes.

As a unit constituting a unit building (collectively referred to as “building unit”), a room unit constituting each room portion such as a living room, a dining room, a bedroom, etc., and a roof constituting a roof portion of the building There are units and balcony units that make up the balcony.

By the way, in general, when constructing a flat roof or a balcony, it is indispensable to waterproof the upper surface of the roof. Conventionally, as described in Japanese Utility Model Publication No. 57-47290, the base material constituting the roof surface or the balcony surface. At the site, a number of long waterproof plates such as PVC steel plates are attached in parallel and fixed to the upper surface of the material.

FIG. 6 is a plan view of a conventional roof or balcony, and FIG. 7 is a sectional view of the same. As shown in these figures,
Conventionally, a plurality of waterproof plates 2 are attached in parallel to the upper surface of a base material (made of plywood, particle board, concrete, etc.) 1 along the front-rear direction H of the building in the field, and the joints 3 of the waterproof plate 2 are The drainage groove member 6 accommodating the fitting holding member 5 is fitted into the recess 4 formed on the lower side, and the joint 3 of the waterproof plate 2 is inserted with the joint member 7 having a T-shaped cross section. The joint 7 is closed, and the tip of the joint material 7 is fitted and fixed to the fitting holding member 5 in the drain groove member 6. An asphalt roofing 8 is interposed between the waterproof plate 2 and the base material 1 if necessary. Usually, the fitting holding member 5, the drain groove member 6, and the joint material 7 are formed of a vinyl chloride steel plate like the waterproof plate 2. According to this structure, even if rainwater enters through the gap of the waterproof plate 2, the rainwater flows into the eaves gutter 9 through the drain groove member 6.

[0006]

By the way, in a unit building, as shown in FIG. 8, two units A and B are used.
When attempting to construct a roof or balcony with a large depth in the front-rear direction (the direction of arrow H in the figure) by joining the above, it is necessary to construct the long waterproof board 2 on-site as described above. In terms of efficiency and local workability, neither is a good idea.

The present invention has been made in view of the above circumstances, and a roof or balcony waterproof construction method capable of both improving the transportation efficiency of members and reducing the number of construction work on site,
Another object of the present invention is to provide a drain member used to carry out the method.

[0008]

In order to solve the above-mentioned problems, the invention according to claim 1 is a waterproof construction method for a roof or balcony formed on the upper surface of a plurality of building units by adjoining them to each other. In the above, each building unit with a waterproof plate attached was manufactured so that it could be flipped up by a predetermined amount along the side edge corresponding to the upper surface joint with the adjacent building unit, and these building units were joined locally. After that, the waterproof plate near the joint portion formed at the joint portion is turned up, and the drain groove member is fitted into the joint portion.

According to a second aspect of the present invention, in the waterproof construction method for a roof or a balcony according to the first aspect, a fitting holding member is housed in the drain groove member, and between the waterproof plates of the adjacent building units. It is characterized in that the generated joint is closed with a joint material, and the joint material is fitted and fixed to the fitting holding member.

According to a third aspect of the present invention, in a waterproofing method for a roof or a balcony formed on the upper surface of a plurality of building units by arranging them in the first direction and adjoining each other, a plurality of waterproof plates are provided. The joint is laid so that the joint extends in the first direction, the first drain groove member is fitted in the recess extending in the first direction below the joint, and the waterproof plate is joined to the upper surface of the adjacent building unit. The building units that are mounted so that they can be flipped up by a predetermined amount along the side edges that correspond to the parts are manufactured, and after these building units have been joined at the site, waterproofing near the joints that have occurred at the joints It is characterized in that the plate is turned up and a second drainage groove member is fitted into a recess formed in the joint portion and extending in a second direction orthogonal to the first direction.

According to a fourth aspect of the present invention, in the roof or balcony waterproofing method according to the third aspect, a cross shape is formed at an intersection of the recess extending in the first direction and the recess extending in the second direction. It is characterized in that a drain groove member is fitted therein.

According to a fifth aspect of the present invention, there is provided a drainage groove member which is fitted in a portion of a recess formed on a roof surface or a balcony surface, which intersects with a cross, and which is one of the contour edges of a bottom plate formed in a cross shape. , Standing plates are erected on the side edges excluding each tip edge,
It is characterized by forming a groove intersecting with a cross having a U-shaped cross section.

[0013]

According to the first aspect of the present invention, the waterproofing work is carried out in units of building units in the factory, that is, the work of attaching the waterproof plate is carried out, and only the waterproofing work of the joints between the building units is carried out locally, so that the local work Can be reduced.

According to the second aspect of the present invention, since the fitting holding member is housed in the drainage groove member and the joint material for closing the joint between the waterproof plates is fitted and fixed to the fitting holding member, the waterproofing is completely completed. In addition, the joint material is reliably retained.

According to the third aspect of the invention, since the building unit is manufactured by previously fitting the drainage groove member into the joint of the waterproof plate extending in the first direction, the joint between the building units is waterproofed at the site. In addition to this, a fitting holding member is housed in the drainage groove member extending in the first direction (unnecessary if the fitting holding member is included in the building unit manufacturing stage), and the fitting holding member is installed across both building units to be joined. Field work can be completed simply by fitting and fixing joint material of a certain length.

According to the fourth aspect of the present invention, since the cross-shaped drain groove member is fitted at the intersection of the recesses extending in the first direction and the recess direction respectively extending in the first direction, the cross-shaped drain groove member is provided. The drainage channels of the drainage channel member in the first direction and the drainage channel member in the second direction are connected.

The invention of claim 4 can be implemented by using the drain groove member of the invention of claim 5.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a balcony unit applied to a steel frame unit building as an example of the building unit of the present invention. In this figure, the arrow H direction indicates the front-rear direction, and the arrow W direction indicates the left-right direction. These balcony units A and B constitute one balcony by arranging two (or more) units in the front-rear direction (first direction) and adjoining each other, each of which is manufactured in a factory. There is. Here, ignoring the difference in size, both balcony units A and B are
Other configurations are the same except that the shapes of A and 50B are different.

Each of the balcony units A and B has a floor frame 10 serving as a base of the balcony surface, a base material 20 constituting the balcony surface, a drain groove member 30 along a joint in the front-rear direction H of the balcony surface, a vinyl chloride steel plate, etc. The waterproof plate 40 is made of the waterproof material and the handrail wall 50A or 50B.
The floor frame 10 is formed by assembling a floor girder 11 made of channel steel in a rectangular shape to form a frame, and floor girders 12 made of square steel pipes are joined to this frame at appropriate intervals, and a wooden floor joist 13 is formed on the floor girder 13. Is mounted and fixed.

In the balcony units A and B, a plurality of base materials 20 made of plywood, particle board, etc. are laid and fixed on the floor frame 10, and the adjacent base materials 2 are provided.
In the recess 25 formed along the front-back direction formed between the side edge portions of 0,
While fitting the drain groove member 30, the waterproof plate 40 is attached to the upper surface of each base material 20 with an adhesive so that the side edge portion in the width direction is located above the drain groove member 30, and the floor frame. A handrail wall 50A or 50B is erected around the periphery of 10. Handrail wall 50A of balcony unit A
Is a large and small panel in which a face material is attached to a frame member and is connected to each other so as to form a U shape, and is erected on the front side edge and the left and right side edges of the floor frame 10. The handrail wall 50B of the balcony unit B is composed of a single panel, and each is erected on the left and right side edges of the floor frame 10.

The base material and the waterproof plate 40 are arranged in parallel along the front-rear direction of both balcony units A and B so that each joint extends in the front-rear direction. It is installed so that it has a slope along it. Further, the waterproof plate 40 is provided on both balcony units A,
A predetermined range (a range of Sa and Sb indicated by diagonal lines in the drawing) is not adhered to the base material 20 along the side edge portion near the joint portion of B, and the remaining part is entirely on the upper surface of the base material 20. It is glued so that the non-glued part can be turned up. Note that the waterproof plate 40 may be fixed to the base material 20 using a means other than adhesion as long as the waterproof performance of the waterproof plate 40 is not impaired. In addition, a fitting holding member 6 that receives a joint material 70 described later is provided in the drain groove member 30.
0 (not shown in FIG. 1). This may be done locally. The fitting holding member 60 is housed in the drain groove member 30 with play, and the position can be freely adjusted. The drain groove member 30 and the fitting holding member 60 are made of a vinyl chloride steel plate.

Next, the construction procedure at the site will be described. First, the balcony units A and B configured as described above are brought into the field and installed in a predetermined assembly place. For example, in the case of this example, after the lower room unit is assembled in advance, it is carried in, these balcony units A and B are placed on the room unit, and the lower room unit is joined to each other, and the balcony unit is A and B are also joined to each other. A schematic view of the joined state from above is shown in FIG.
As shown in. In this state, the balcony units A and B are lined up in the front-rear direction. And the drain groove member 60 fitted in each balcony unit A and B is located on the same straight line.

In this state, the non-adhesive portion (the portion not adhered to the base material 20) of the waterproof plate 40 at the balcony unit joint portion (the portion indicated by the white arrow S in FIG. 2) is shown in FIG.
Asphalt roofing 8 is laid in the recess 27 extending in the left-right direction (second direction) between the base materials 20, 20 of the balcony units A, B formed at the joint S as shown in FIG. After that, the drain groove member 30 is fitted.
At this time, the fitting holding member 60 is housed in the drain groove member 30 at the same time.

As shown in FIGS. 3 (a) and 3 (b), the drain groove member 30 used at this time is the same as that used for the joint extending in the front-rear direction, and the drain main body 31 of the groove-shaped main body 31 has a shallow bottom. Flange 32 is formed on both side edges in the width direction so as to be placed on the side edge portions of the base materials 20, 20 on both sides. Further, the fitting holding member 60 is of a size that is housed in the main body 31 of the drain groove member 30 with play, and has a fitting concave portion 61 that faces upward to receive the tip of the joint material 70. The fitting holding member 60 is formed by bending a vinyl chloride steel plate, and has a spring property. The joint material 70 has a substantially T-shaped cross section, and the fitting recess 6 of the fitting holding member 60 is formed at the center of the lower surface.
1 has a fitting protrusion 71 having a spring property that is fitted and fixed to 1.

After the drain groove member 30 and the fitting holding member 60 are installed in the recess 27 extending in the left-right direction as described above, the recess 27 extending in the left-right direction and the recess 25 extending in the front-rear direction are next provided. As shown in FIG. 4, a cross-shaped drain groove member 80 is fitted in the intersecting portion. This cross drainage member 80
As shown in FIG. 5, a groove member having a U-shaped cross section is cross-shaped and integrated. Specifically, among the contour edges of the bottom plate 81 formed in a cross shape, the standing plates 82 are erected on the side edges 81b excluding the respective tip edges 81a, and the grooves crossing a cross having a U-shaped cross section are formed. Is. The cross-shaped drain groove member 80 is formed in such a size that it fits inside the main body 31 of the drain groove member 30 extending in the front-rear direction and the left-right direction. Then, after the cross-shaped drainage groove member 80 is fitted, it is fixed to the drainage groove member 30 extending in the front-rear direction and the drainage groove member 30 extending in the left-right direction with no adhesive.

Next, as shown in FIG. 3B, the waterproof material 40 that has been turned up is returned to its original state. A joint extending in the left-right direction between the end of the waterproof plate 40 on the balcony unit A side and the end of the waterproof plate 40 on the balcony unit B side (this joint is a joint on the joint between the balcony units). 41), the fitting recess 61 of the fitting holding member 60 is aligned, and in that state, the joint 41 of the waterproof plate 40 is closed with the joint material 70, and the fitting protrusion 71 on the lower surface of the joint material 70 is fitted. The fitting holding member 60 is fitted and fixed in the fitting concave portion 61. Thereby, the joint 41 of the waterproof plate 40 can be sealed.

The joints 4 extending in the left-right direction shown in FIG.
Before the sealing of 1, joints extending in the front-rear direction (joints between the waterproof plates 40, 40 in each balcony unit A, B) 4
2 is sealed first. The sealing of the joint 42 extending in the front-rear direction is similar to that of the joint 41 extending in the left-right direction.
The joint 42 extending in the front-rear direction is prioritized over the joint 41 extending in the left-right direction. That is, by connecting the two balcony units A and B, the joints 42 extending in the front-rear direction of the two balcony units A and B are linearly continuous, but the joints 4 extending in the front-rear direction.
The joint 42 extending in the front-rear direction is closed by using the joint material 70 having a length that straddles both units A and B so as to continuously close the two. Then, the joint 41 extending in the left-right direction is sealed.

In this way, waterproofing is performed as much as possible in advance at the stage of manufacturing the balcony unit (the waterproof plate 40 is stretched and the drain groove member 30 is fitted under the joint 42 extending in the front-rear direction). As a result, it is possible to significantly reduce the number of waterproof construction work in the field and shorten the construction period. Further, since the waterproof plate 40 is incorporated in the balcony units A and B in advance, it is not necessary to separately transport a long waterproof plate, and the transport cost can be reduced.

The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific structure is not limited to this embodiment, and there are design changes and the like within the scope not departing from the gist of the present invention. Also included in the present invention.

For example, in the above-mentioned embodiment, the case where the joint portion between the units generated by connecting the two balcony units is waterproofed is described, but the invention is not limited to this, and the roof unit and the adjacent roof unit are The present invention can also be applied to waterproof construction of joints generated between. Further, the unit is not limited to the dedicated balcony unit, and may be a room unit with a balcony. Similarly, the unit is not limited to the roof unit and may be a building unit with a roof. In the present invention, the roof unit is also included in the roof unit.

If the cross-shaped drain groove member is a portion intersecting with a cross of a recess formed on the roof surface or the balcony surface,
Can be applied anywhere. For example, it can be applied to a portion where joints cross each other, which occurs when four roof units are connected to each other.

[0032]

As described above, according to the invention described in claim 1, only the waterproofing of the joint portion between the units has to be performed on-site, so that the on-site work can be reduced and the construction period can be shortened. it can. Further, since the waterproof plate is attached at the stage of the unit, it is not necessary to put a long waterproof plate on site, and the transport efficiency can be improved.

According to the second aspect of the invention, it is possible to securely fix the joint material for closing the joint between the waterproof plates.
Reliability is increased.

Further, according to the third aspect of the invention, since the drainage groove member is incorporated in advance in the joint extending in the first direction of the waterproof plate at the manufacturing stage of the building unit, the local construction can be carried out accordingly. Can be reduced.

According to the invention of claim 4, since the drain groove member in the first direction and the drain groove member in the second direction can be connected by the cross-shaped drain groove member, the drainage can be smoothly performed. You will be told.

Further, by using the cross-shaped drain groove member according to the fifth aspect of the present invention, the drain grooves that cross in a cross can be easily and reliably connected to each other on site.

[0037]

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a balcony unit according to an embodiment of the present invention.

FIG. 2 is a schematic plan view of the balcony unit joined on site.

3 is a sectional view taken along the line III-III in FIG.
(A) is a figure which shows the state which lifted the edge part of a waterproof board and accommodated the drainage groove member, (b) shows the state which returns a waterproof board to an original state, and is trying to block the joint of a waterproof board with a joint material. It is a figure.

FIG. 4 is a plan view showing details of an IV circle portion in FIG.

5 is a perspective view of a cross drain groove member used at the intersection shown in FIG. 4. FIG.

FIG. 6 is a plan view of a conventional balcony.

7 is a sectional view taken along the line VII-VII in FIG.

FIG. 8 is a plan view of a balcony long in the drainage direction.

[Explanation of symbols]

 A, B Balcony unit S Joint portion 20 Base material 25 Recess extending in the first direction 27 Recess extending in the second direction 30 Drain member 40 Waterproof plate 41 Joint (joint portion generated at the joint) 42 Joint ( Joints extending in the first direction) 60 Fitting holding member 70 Joint material 80 Cross-shaped drainage groove member 81 Bottom plate 81a Tip edge 81b Side edge 82 Standing plate H Front-rear direction (first direction) W Left-right direction (second direction) )

Claims (5)

[Claims] 1. A waterproof construction method for a roof or balcony formed on an upper surface of a plurality of building units by adjoining them to each other, along a side edge portion corresponding to an upper surface joint with an adjoining building unit. Produce a building unit with a waterproof plate attached so that it can be flipped up by a predetermined amount, and after joining these building units at the site, flip up the waterproof plate near the joint part that has occurred at the joint and A waterproof construction method for a roof or a balcony, characterized in that a drainage groove member is fitted into the portion. 2. The waterproof construction method for a roof or a balcony according to claim 1, wherein a fitting holding member is housed in the drain groove member, and joints formed between the waterproof plates of the adjacent building units are joint materials. A waterproof construction method for a roof or balcony, which comprises closing and fitting and fixing the joint material to the fitting holding member. 3. A waterproof construction method for a roof or balcony formed on an upper surface of a plurality of building units by arranging them in a first direction and adjoining each other, wherein a plurality of waterproof plates are jointed in the first direction. Is installed so that the first drain groove member is fitted in a recess extending in the first direction below the joint, and the waterproof plate is a side edge corresponding to an upper surface joint with an adjacent building unit. Each building unit is attached along the section so that it can be turned up by a predetermined amount, and after joining these building units at the site, turn up the waterproof plate near the joint part that has occurred at the joint, A waterproof construction method for a roof or a balcony, wherein a second drain groove member is fitted into a recess formed in a joint portion and extending in a second direction orthogonal to the first direction. 4. The waterproof construction method for a roof or a balcony according to claim 3, wherein a cross-shaped drain groove member is fitted at the intersection of the recess extending in the first direction and the recess extending in the second direction. A method for waterproofing a roof or a balcony, which is characterized by that. 5. A drainage groove member fitted into a portion of a recess formed on a roof surface or a balcony surface, which intersects with a cross, wherein each tip edge is excluded from the contour edges of a cross-shaped bottom plate. A drainage groove member characterized in that a standing plate is erected on a side edge and a groove intersecting with a cross having a U-shaped cross section is formed.