JP3423790B2 - Highly airtight unit type building and its construction method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a highly airtight unit type building which improves the airtightness of a unit type building and a construction method thereof.

[0002]

BACKGROUND ART A unit-type building is built by combining a plurality of building units produced in a factory in advance at a construction site. This building unit includes four columns that are erected at four corners and a skeleton formed by four upper beams and four lower beams that connect between upper ends and lower ends of these columns. It is formed by attaching an outer wall, an inner wall, a ceiling material, a floor material and the like (not shown) to the frame. In such a unit type building, for example, good sound insulation and heat insulation are required in order to improve the habitability of the upper and lower floors.

[0003]

By the way, in the conventional unit type building, in order to improve the sound insulation, the water resistance of, for example, the upper beams of the adjacent building units may be increased by straddling these upper beams. Attach a sheet member such as butyl rubber,
Also, in order to improve the heat insulating property, heat insulating material was provided between the building units on the upper and lower floors, but in each case, it was a partial construction, and there was a problem that the sound insulation and heat insulating properties were not sufficient. It was

An object of the present invention is to provide a highly airtight unit type building and a construction method thereof, which can improve sound insulation and heat insulation.

[0005]

A highly airtight unit-type building according to the present invention has a plurality of building units which form at least one of the upper surfaces and the entire lower surfaces of the unit buildings. A highly airtight sheet member is laid over the
When formed into a roll wider than the width of the unit in the short side direction
Both are characterized by being fed from the roll .

[0006]

The method for constructing a highly airtight unit type building according to the present invention is a building which forms a unit type building on the entire surface of the foundation.
From a roll formed wider than the width of the unit in the short side direction
After unwinding and laying a highly airtight sheet member, multiple sheets are placed on it.
The lower story building unit disposed of, then decremental from the roll over the entire surface to the upper surface of the lower story building unit of these
The airtight sheet member is laid and a plurality of upper floor building units are arranged on the upper surface of the airtight sheet member.

[0008]

In the highly airtight unit type building and the construction method thereof according to the present invention, since the highly airtight sheet member is laid on the entire upper surface or the lower surface of the building unit, the sound insulating property and the heat insulating property are improved.

Further , the high airtight sheet member is used for the building unit.
Roll out from the roll wider than the width of the short side.
Since the foundation and the upper surface of each building unit are covered with a fence, the work is easy.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a unit-type building 1 of this embodiment. The unit-type building 1 includes a plurality of lower floor building units 3 installed on a foundation 2, a plurality of upper floor building units 4 and upper floor building units 4 installed on the lower floor building unit 3. It is configured with a roof 5 arranged. Each building unit 3 and 4 is set up at the four corners 4
A column 13 is provided with a frame 13 formed of four upper beams 11 and four lower beams 12 that connect upper ends and lower ends of the columns 10 to each other. No, it is formed by attaching inner walls, ceiling materials, floor materials, and the like.

Between the lower floor building unit 3 and the foundation 2, between the lower floor building unit 3 and the upper floor building unit 4, and between the upper floor building unit 4 and the roof 5, each building is arranged. A highly airtight sheet member 7 is arranged for maintaining good sound insulation and heat insulation of the unit 3 and the like. As shown in FIG. 2, this highly airtight sheet member 7 is formed by arranging in the width direction sheets 7A fed from a roll having a width dimension W2 wider than the width dimension W1 of the lower floor building unit 3 in the short side direction. Has been formed. As such a highly airtight sheet member 7, for example, a member made of vinyl, air chip, aluminum foil, rubber, waterproof cloth or paper is used.

FIG. 3 shows details of a state in which the highly airtight sheet member 7 is arranged between the lower-floor building unit 3 and the upper-floor building unit 4. Where lower floor building unit 3
Positioning pins 16 are erected on the upper surfaces of the pillars 10 of the above, and the positioning pins 1 are provided on the lower surface of the pillars 10 of the upper floor building unit 4.
The engaging hole which engages with 6 is opened. A joining plate 17 is provided between the lower-floor building unit 3 and the upper-floor building unit 4 as described above so as to straddle adjacent lower-floor building units 3. The joint plate 17 has positioning pins 16 of adjacent lower floor building units 3.
Since the insertion hole 17A through which is inserted is opened, the joining plate 17 is placed on the lower-floor building unit 3 and the upper-floor building unit 4 is positioned on the joining plate 17, and the adjacent lower-floor building is positioned. The unit 3 and the upper floor building unit 4 are connected to each other.

A sheet receiving member 18 is hung on the upper surface of the upper beam 11 of the lower floor building unit 3. The sheet receiving member 18 is formed of a plate member thinner than the joining plate 17 and has a predetermined width, and is laid across the lower-floor building unit 3 at intervals, for example, in the longitudinal direction. Each sheet 7A constituting the highly airtight sheet member 7 is placed on the upper surface of the sheet receiving member 18, and the end side of each sheet 7A is
The lower surface of the joining plate 17 and the upper beam 1 of the lower floor building unit 3
It is sandwiched between the upper surface of the outer wall 14 and the upper surface of the outer wall 1, and further cut at a position extending to the upper surface of the outer wall 14. The ends of the sheets 7A are attached and fixed to the upper surface of the outer wall 14 of the lower floor building unit 3 with double-sided tape. A hole through which the positioning pin 16 can be inserted is formed at the end of each sheet 7A.
A backup material 19 and a caulking material 20 are provided in the gap between the outer wall 14 of the lower-floor building unit 3 and the outer wall 14 of the upper-floor building unit 4.

Although not shown in detail, a highly airtight sheet member 7 laid between the foundation 2 and the lower floor building unit 3
The mounting structure of is similar to that described above. That is, a joining plate having positioning pins for positioning the lower-floor building unit 3 disposed on the foundation 2 is provided, and the seat plate is hung between the middle streets of the foundation 2 and the like. A sheet receiving material similar to the material 18 is arranged, and the sheet 7A of the highly airtight sheet member 7 is laid on the sheet receiving material. Then, the edge of each sheet 7A is attached to the base 2 with double-sided tape
It is affixed to the upper surface of the.

The mounting structure of the highly airtight sheet member 7 laid between the upper-floor building unit 4 and the roof 5 is substantially the same as that described above. That is, although not shown, a sheet receiving member similar to the sheet receiving member 18 is arranged on the upper surface of the upper-floor building unit 4, and the sheet 7A of the highly airtight sheet member 7 is placed on such a sheet receiving member. It is laid out. Then, the end portion of the seat 7A is sandwiched between the lower surface of the bracket 21 for attaching the roof 5 and the upper surface of the upper floor building unit 4, and then extends to the upper surface of the outer wall 14 of the upper floor building unit 4, and further from there. It is folded back and attached to the back surface of the roof 5 with double-sided tape and fixed.

Although not shown, the lower-floor building unit 3
Under the floor, between the lower-floor building unit 3 and the upper-floor building unit 4, between the upper-beam side of the upper-floor building unit 4 and each lower-floor building unit 3, and the outer wall 14 of the lower-floor building unit 3.
A heat insulating material is provided on the outer side of each of the upper-floor building units 4, the outer side of each of the upper-floor building units 4 on the outer wall 14 side, and the like.

A construction procedure of such a highly airtight unit type building will be described. After arranging the sheet receiving material on the upper surface of the foundation 2, the roll-shaped sheet 7 having the width W2 is placed on the sheet receiving material.
While extending A, the foundation 2 is spread in the width direction from one end to the other end. At the other end of the base 2, the end of the cut sheet 7A is attached to the upper surface of the base 2 with a double-sided tape, and the remaining roll-shaped sheet 7A is again spread from one end of the base 2 to the other end. At this time, the widthwise end portion of the sheet 7A first laid out and the widthwise end portion of the sheet 7A laid next are made to overlap each other. After the sheet 7A is spread over the entire upper surface of the base 2, the joining plate is placed at a predetermined position.

Next, the lower-floor building unit 3 is arranged on the foundation 2 on which the highly airtight sheet member 7 is laid, and the lower-floor building unit 3 is fixed to the foundation 2 by foundation bolts or the like. After that, the sheet receiving material is arranged on the upper surface of the lower-floor building unit 3, and the rolled sheet 7A is unwound as described above, and is sequentially laid on the upper surface of the lower-floor building unit 3.
When the sheet 7A has been spread over the entire upper surface, the joining plate 17 is placed at a predetermined position.

After that, the upper floor building unit 4 is arranged on the upper surface of the lower floor building unit 3, and the upper floor building unit 4 and the lower floor building unit 3 are connected and fixed by connecting bolts or the like. Then, the sheets 7A are laid on the upper surface of the upper-floor building unit 4 as described above, and their ends are attached to the upper-floor building unit 4 with the roof 5 and then the double-sided tape is applied to the back surface of the roof 5. Stick and fix.

According to this embodiment as described above, the following effects can be obtained. That is, between the foundation 2 and the lower floor building unit 3, between the lower floor building unit 3 and the upper floor building unit 4, and between the upper floor building unit 4 and the roof 5, the foundation 2 and the lower floor building unit. The airtight sheet member 7 is spread over the entire surface of the unit 3 and the upper-floor building unit 4, and the upper and lower portions of the building units 3 and 4 of each floor are shielded by the highly airtight sheet member 7, so that sound insulation and heat insulation can be improved. . Further, since a heat insulating material is provided between the building units 3, 4 and between the building units 3, 3, the heat insulating property can be further improved.

Further, the sheet 7A forming the highly airtight sheet member 7 is formed in a roll shape with a width dimension W2 wider than the width dimension W1 of the lower-floor building unit 3, etc. After placing it on the unit 3 etc., you can spread it out one by one and spread it out.
Work becomes easy.

Further, a sheet receiving member 18 and the like are provided on the upper surfaces of the foundation 2, the lower-floor building unit 3 and the upper-floor building unit 4, and when the airtight sheet member 7 is laid, the sheet 7A is used.
Can be placed on the sheet receiving member 18, etc.,
The sheet 7A can be laid without slack.

The present invention is not limited to the above-described embodiments, but includes the following modifications as long as the object of the present invention can be achieved. For example, in the above embodiment, the width W2 of the sheet 7A is widely than the width W1 of such lower story building unit 3, the width
Dimensions, may be a high airtight sheet member atmospheric-out such one that can that covering the whole such as, for example, four lower story building unit 3. In short, the sheet is
It may be wider than the width and laid over the entire surface of the building units 3, 4 and the like.

Further, in the above-mentioned embodiment, the highly airtight sheet member 7 is formed by laying out the sheet 7A while extending it along the long side direction of the lower-floor building unit 3 etc., but not limited to this. May be spread in the opposite direction, that is, while extending along the shorter side direction of the lower-floor building unit 3 or the like.

[0025]

As described above, in the highly airtight unit type building and its construction method of the present invention, since the highly airtight sheet member is laid on the entire upper surface or the lower surface of the building unit, the sound insulating property and the heat insulating property are improved. Get better.

[Brief description of drawings]

FIG. 1 is an overall view showing a highly airtight unit type building according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the construction of the highly airtight unit type building of the present embodiment during construction.

FIG. 3 is a cross-sectional view showing a main part of this embodiment.

[Explanation of symbols] 1 Airtight unit type building 2 foundation 3 Lower floor building unit 4 Upper floor building unit 7 Highly airtight sheet material 7A rolled sheet

Front page continued (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04B 1/348 E04B 1/62

Claims (2)

(57) [Claims] 1. A highly airtight sheet member is laid over the entire surface of a plurality of building units on at least one of all upper surfaces and all lower surfaces of a plurality of building units constituting a unit-type building. , The building
When formed into a roll wider than the width of the unit in the short side direction
A highly airtight unit-type building characterized by being rolled out from both rolls . 2. After laying a highly airtight sheet member on the entire surface of the foundation from a roll formed wider than the width in the short side direction of the building unit constituting the unit type building, a plurality of lower floor buildings are laid on it. Units are then placed on the upper surfaces of these lower-floor building units over the entire surface, and the highly airtight sheet member is laid, and a plurality of upper-floor building units are placed on the upper surface of the highly airtight sheet member. A characteristic method of constructing a highly airtight unit type building.