JPS58113427A - Water-proof unit for construction of semi-basement - Google Patents

Abstract

PURPOSE:To facilitate the construction of a semi-basement by a method in which an outer wall to make up part of the outer wall of a semi-basement is provided on one side of an unit body in which steel pillars are erected at corners of a steel frame, and a water proofing treatment is applied to the outer surface buried underground and lower end of the outer wall. CONSTITUTION:An outer wall 14 is provided on one side of an unit body 13 in which 4 steel pillars 12 are erected at corners of a floor panel provided with a steel frame 10, and a water-proof sheet 30 is covered on the outer surface buried underground and lower end of the outer wall 14. Then, a protetive cement mortar 31 is coated on the sheet 30 to make up the unit 1. In constructing a semi- basement by aranging plural units 1, the construction is made easier because the application of a water proofing treatment to only the joint 2 between the outer walls 14 is sufficient.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a waterproof unit for constructing a semi-basement, and by using a plurality of units, a semi-basement with a waterproof structure in which the ceiling surface is located above the ground can be formed in a form that is extremely easy to construct. In other words, the present invention provides a waterproof unit for configuring a semi-basement that can be installed in plural units adjacent to each other on a fabric foundation provided in a root cutting excavation section so that the ceiling surface is below the ground level. It forms a semi-basement located above, and includes a unit body in which four copper pillars are erected at the corners of a rectangular steel frame, and fixed to at least one side of the unit body. and an outer wall body constituting a part of the outer wall of the semi-basement, and at least the underground outer surface and lower end surface of the outer wall body are waterproofed.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the waterproof unit for semi-basement structure of the present invention shown in the drawings will be described.

FIG. 4 is a perspective view of a semi-underground unit using two outer walls according to an embodiment of the present invention before waterproofing and waterproof joint treatment, and the unit 1 shown in the figure is , as shown in FIG. 2 and FIG. The installed unit body 13, and two precast concrete panels or lightweight foam concrete panels fixed to one side of the unit body 13 and another side adjacent to it via coupling fittings (not shown), respectively. outer wall body 14
, 14. Only one outer wall body 14° 14 may be used, and its fixing position is not limited to that shown in the illustration, but when a plurality of units 1, 1°, etc. are installed adjacently, the outer wall bodies 14, 14 It is necessary that the ceiling surface forms part of the outer wall of a semi-basement located above the ground. Further, the floor panel 11 can be omitted when the floor of a semi-basement is made of solid concrete by pouring concrete upon request.

Thus, the unit for configuring a semi-basement according to the embodiment has a waterproof joint treatment applied to the joint 2 between the outer walls 14 and 14 (comrades) in the unit 1, and a waterproof treatment applied to the outer walls 14 and 14 themselves. It is preferable that the image processing is normally carried out in this order at the factory.

The waterproof joint treatment of the joint part 2 between the outer wall bodies 14 is carried out when two or more outer wall bodies are used, and the third
As shown in the figure, a flexible back-up material is inserted into the joint 2, and a urethane cape sealing material 21 is placed on the outside of the back-up material.
After filling the joint 2, the outside of the joint 2 is closed with an insulating tape η, and a waterproof sheet (Z3. I added more Z3 and did it.

In Fig. 3, (capital) indicates the waterproof sheet affixed to the outer surface of the outer walls 14, 14, and 31 indicates the protective mortar such as resin mortar applied to the outside thereof, and these are hereinafter referred to as main wings. This is done by waterproofing the outer walls 14, 14,
The outer part of the joint 2 can be considered as the final step of the above-mentioned waterproofing joint treatment.
4 on at least the underground buried surface (the part below ground level G, TJ in Figure 1O) and the lower end surface. To explain in more detail, the above-mentioned waterproofing treatment is performed on the above-mentioned joint portions 2 in FIG. 1, FIG. 3, FIG. 10, FIG. 11, and FIG. 12.
Apply the waterproof sheet) 30 to the upper part of the non-underground external surface, leaving a certain width of unattached wing, and apply the waterproof sheet between the water cut-off fittings to the upper edge of the waterproof sheet. After making contact and fixing the water cutting parting fittings to the outer walls 14, 14 with screws, a protective mortar 31 is applied to a part of the underground buried outer surface and the non-underground buried outer surface of the waterproof sheet 30. can be done. When fixing the water cutting parting fitting (as shown in detail in FIG.
15 is formed, the upper edge is positioned within the recess 15, a waterproof sheet 30 is pasted using a constant temperature double-sided adhesive material, etc. It is preferable to completely fix the upper edge of the waterproof sheet by partially fitting and fixing the waterproof sheet. In this case, the water cutting fitting A is composed of a vertical fixing piece A and a water cutting piece 37 that is bent and connected to the lower end thereof, and the water cutting piece A is connected to the waterproof sheet I on the lower inner wall part of the groove 15. and the tip thereof is brought into contact with the outer wall body 14.
, 14 to sufficiently protrude outwards so that the vertical fixing piece I can be fixed to the vertical inner wall portion of the groove 15. Once the fixation of the water cut-off fitting is completed, the head of the piece M is covered with caulking material, and further from the outside, the space between the upper F water cut-off piece 37 and the upper inner wall of the groove 15 is It is preferable to fill the sealing material 39 such as urethane, and on the other hand, it is preferable to apply the wire maintenance mortar 31 using the water cutting parting fitting as a ruler. Note that the waterproofing treatment in the present invention is limited to the examples. For example, the lower part of the outer wall surface, the lower end surface, and the lower part of the inner wall surface of the outer wall bodies 14, 14 may be impregnated with a waterproofing agent. Waterproof sheet (
(capital) can be left unattached.

Next, the manner in which a semi-basement is formed by the above-mentioned semi-basement configuration unit will be explained. In forming a semi-basement, first, as shown in FIGS. 5 and 6, 1.
1. ... Each of them is installed adjacent to the base 4 using a hanging jig (material) that has been previously provided in the root cutting excavation part (not shown). As shown in FIG. 12, the cloth foundation 4 has
It is preferable that at least the upper end surface and outer surface thereof be waterproofed, and in this case, such waterproofing is performed by pasting a waterproof sheet. Mori and Tun This is cloth foundation 4
does not interfere with the waterproofing of the inner surface of the
As shown in the figure, a moisture-proof sheet 41 made of a polyethylene sheet is pasted over the inner surface of the cloth foundation 4 and, although not shown, the lower part of the upper part 51 of the concrete floor IJ. When installing the unit 1.1 of the present invention, which is also waterproofed, on the fabric foundation 4 which has been waterproofed, the outer walls 14, 14. ... between each lower end surface and the upper end surface of the cloth foundation 4, as shown in FIGS. 10 and 1812,
A regular gasket (A) is interposed, and a joint portion 6 is formed outside the regular gasket ω. foot shaped gasket) 60
It is preferable to use a size that is large enough to seal between the lower end surface of the outer wall body 14° 14 and the upper end surface of the cloth foundation 4. The load of the unit 1.1 is mainly supported by the hard elastic body between the steel frame 10 and the cloth foundation 4 and the anchor bolts (not shown) passing through the inside thereof.
When the above-mentioned unit 1 without the floor panel 11 is installed on the cloth foundation 4, the earthen floor concrete part 51 is
It is best to form it higher than the one shown in the figure and form a floor by applying mortar on top of which a moisture-proof sheet is laid.

Therefore, the above units) 1,1. After the completion of the adjacent installation work, waterproof joint treatment of the joint part 6 on the outside of the standard gasket, and installation of the adjacent units 1 and 1 as shown in Figs. The waterproof joints of the joints 7 between the outer walls 14 and 14 are treated to make them waterproof.

The above-mentioned waterproof joint treatment outside the regular gasket ω may be carried out by filling the above-mentioned joint portion 6 with a sealing material 61 made of urethane foam and the above-mentioned quantitative gasket mark as a back-up material, as shown in FIG. Preferably, additional waterproof sheets 62 may be pasted between the underground outer surface of the waterproof sheet and the six outer surfaces of the waterproof sheet 40 as shown in the figure.
In addition, & and 63 in No. 12154 are caulking materials that seal the upper and lower edges of the waterproof sheet 62.

Furthermore, the waterproof joint treatment of the joints 7 between the units 1 and 1 can be carried out in the same manner as the waterproof joint treatment of the unit 1 itself described above in FIG. 3, and as shown in detail in FIG. After inserting the back-up material 70 into the joint and filling the outside with a sealing material 71, the outside of the joint 7 is closed with an insulating tape 72, and the outer walls 14, 14 are sealed from above the tape 72. Additional waterproof sheet 73 is pasted on top of the waterproof sheet, and hokoshi mortar 74 is placed on the outside of the waterproof sheet 73.
This can be done by applying . In addition, in order to facilitate the application of additional waterproof sheet 73 and the application of protective mortar 74, the application of protective mortar 31 during the waterproofing of the unit 1 itself is performed by covering the joints s2. Naturally, it is preferable that no force be applied to the side edges of the outer walls 14, 14.

After performing waterproof joint treatment in this way, a semi-basement with a waterproof structure can be formed by backfilling the excavated part of the roots. can be made perfect, and can also make the appearance of a semi-basement beautiful. That is, the 10th
As shown in Figures 12 and 12, if a protective material such as a shiboripropylene hollow sheet is placed over the entire underground outer surface of the outer wall 14 and the entire outer surface of the cloth foundation 4, all of the above waterproofing can be achieved. It is possible to maintain the waterproof effect of the parts and waterproof joint treatment parts. In addition, as shown in FIG. 10, it is preferable to arrange the upper edge of the protective material (material) so that it is aligned with the lower edge of the tumor mortar 31 on the surface of the outer wall 14, and after completing the arrangement, the protective material (material) It is advisable to attach waterproof sealing tape between this and the surface of the mortar 31. Immediately before the completion of backfilling of the root cut excavation part, it is preferable to apply a regular mortar 81 to the surface of the above-mentioned number of mortar 31 by brushing or the like, as shown in FIGS. 7, 10, and 11. By doing this, the outer surface of the semi-basement which is not buried underground can be given the appearance of a cloth foundation, especially as shown in Fig. 7 □1. In addition, since the mortar 81 normally has the Hoken mortar 31 as a base material, the waterproof sheet (material) on which the protective mortar 31 is applied is vertically and firmly fixed to the outer wall body 14 with a water-cutting fitting and an adhesive. Furthermore, since it can be used as a ruler, it can be applied very easily and accurately, and there is no risk of it peeling off.

In addition, in FIG. 1O, the ridge is the heat insulating material in the floor panel 11, and the ridge is the water collection pipe.

As mentioned above, the waterproof unit for semi-basement structure of the present invention has the following features:
At least the underground outer surface and lower end surface of the outer wall body should be waterproofed, so by waterproofing the fabric gongs at the root cutting excavation part and installing multiple pieces adjacent to each other on the fabric foundation, from then on, the unit This method has the advantage of being able to form a semi-basement with a waterproof structure in an extremely easy-to-implement form that requires only waterproof joint treatment between the units and the waterproof joints between the unit and the fabric foundation.

[Brief explanation of drawings]

FIG. 1 is a perspective view of one embodiment of the present invention, #! 2 is a plan view thereof, FIG. 3 is an enlarged cross-sectional view of the waterproof joint treatment section of FIG. 2, FIG. 4 is a perspective view of an embodiment of the present invention before waterproofing treatment and waterproof joint treatment, and FIG. 5 6 is a perspective view showing an installation mode of an embodiment of the present invention, FIG. 6 is a perspective view showing an adjacent installation mode of an embodiment of the present invention, FIG. 7 is an external perspective view of a semi-basement, and FIG. Figure 6 is a plan view, Figure 9 is an enlarged cross-sectional view of the waterproof joint processing section between units in Figure 8, Figure 10 is a longitudinal cross-sectional view of the side of the semi-basement in Figure 7, and Figure 11 is an enlarged cross-sectional view of the waterproof joint processing section between units in Figure 8. FIG. 10 is an enlarged longitudinal cross-sectional view of a main part of the outer wall body, and FIG. 12 is an enlarged longitudinal cross-sectional view of the waterproof joint between the outer wall body and the fabric foundation of FIG. 10. DESCRIPTION OF SYMBOLS 1...Waterproof unit for semi-basement configuration, 2...Joint part, 4-Fabric foundation, lO...Steel frame body, 12...Steel column body, 13...Unit body, 14- ... Exterior wall patent applicant Misawa Homes Co., Ltd. Figure 6 Figure 7 Figure 9 Figure 10

Claims (3)

[Claims] (1) A unit for configuring a semi-basement in which multiple pieces are installed adjacently on a cloth foundation provided in a root cutting excavation part to form a semi-basement with a ceiling surface located above the ground, and the unit is made of a rectangular steel frame. A unit body with four steel pillars erected at the corners,
an outer wall fixed to at least one side of the unit main body and constituting a part of the outer wall of the semi-basement, and at least an underground outer surface and a lower end surface of the outer wall are waterproofed; Unit for walking around the basement. (2) The outer wall body is fixed to the -@ face part of the unit body and at least one other side face adjacent to the -1Ilj face part, and the joints between these outer wall bodies are treated with waterproof joints. The waterproof joint treatment involves inserting a back-up material into the joint and filling the outside with a sealant, then sealing the outside of the joint with tape, and applying the above material onto the tape. A waterproof unit for a semi-basement structure according to claim 1 (!), which is made by additionally pasting a waterproof sheet between the outer surfaces of the outer wall. (3) The above-mentioned waterproofing treatment is performed by applying a waterproof sheet over the lower end surface of the above-mentioned outer wall, the above-mentioned underground buried external surface, and the non-underground external surface above it, and applying a waterproof sheet to the upper part of the above-mentioned non-underground external surface. The bales are pasted, leaving an unattached part, and the water-cutting metal odor is fixed to the outer wall by abutting the water-cutting metal fittings against the upper edge of the waterproof sheet, at least on the outer surface of the non-underground burial site. A waterproofing unit for semi-basement Sakaki construction according to claim 11, which is made by coating the outer surface of the waterproof sheet with a protective mortar.