JPH09287133A - Construction method of concrete wall, connecting member and fixing member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method of a concrete wall by which water leakage to the surface can be prevented and also provide a connecting and fixing member of the distance between the upper and lower parts of two waterproof forms in this new construction method. SOLUTION: After two waterproof forms 16, 18 have been vertically assembled by use of a connected member in which a first member 10 and a second member are assembled together, concrete is placed. The cement wash of concrete which has permeated through the permeable layer 36 of the upper waterproof form 18 and has flowed down along the water-conveyance layer 40b is accumulated in the space of the second member or discharged from a long hole. After the concrete has been cured, the second member is separated from the first member and the cement wash is removed and the water-conveyance passages 38a, 38b of the waterproof forms 16, 18 are secured. When a third member 14 as a fixing member is fitted to the connecting member of the waterproof forms 16, 18, the flowing-down water in the upper waterproof form 18 is led to the water-conveyance layer 40a of the lower waterproof form 16 by a throating part 62. In this way, the water leakage to the surface can be prevented in the vertical connecting part of two waterproof forms.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction method for a concrete wall, a connecting member and a sealing member, and more particularly, it has a function of discharging excess water from the concrete wall.
The present invention relates to a method for constructing a concrete wall in which two waterproof forms are vertically connected to each other to pour concrete, and a connecting member and a sealing member which connect and seal an interval between upper and lower waterproof forms.

[0002]

2. Description of the Related Art A conventional concrete wall construction method and construction member of this type are disclosed in Japanese Utility Model Publication No. 7-20332. The concrete wall construction method shown in FIG. 9 is a method of vertically connecting two waterproof forms 1a and 1b for placing concrete using an H-shaped connecting member 2.

Water-permeable layers 3a and 3b made of non-woven fabric are fixed to the concrete placing surfaces of the two waterproof forms 1a and 1b (on the left side in FIG. 9). On the front surface side (right side in FIG. 9) of the water permeable layers 3a and 3b, water guiding layers 4a and 4b having water guiding channels extending in the vertical direction are formed. The connecting member 2 connects the two water-conducting layers 4a and 4b when the two waterproof molds 1a and 1b are connected.
A water passage hole 2a is provided.

With this construction method, two waterproof molds 1a and 1
The cement component in the form of paste that reaches the water permeable layer 3b of the waterproof form 1b when the concrete is placed by connecting the b with the connecting member 2 (hereinafter referred to as "Noro").
Flows down in the water guiding layer 4b. Then, through the water passage 2a of the connecting member 2, it is guided into the water guide layer 4a of the waterproof mold 1a arranged on the lower side, and further discharged downward.

[0005]

There is a case where the slag flowing down the water guiding layer 4b of the waterproof mold 1b arranged on the upper side causes the water passage hole 2a of the connecting member 2 to be clogged. If it is hardened, the water holes 2a will be blocked. Then, the upper part of the water passage 2a of the connecting member 2, that is, the water guiding layer 4
Excess water from the concrete wall may accumulate in the lower part of b, and water may leak from the connection part to the surface. That is, 2
There is a risk that the waterproof function of the connecting portion between the two waterproof molds 1a and 1b may be lost.

Therefore, a main object of the present invention is to provide a concrete wall construction method capable of preventing water leakage to the surface. Another object of the present invention is to provide a connecting member and a sealing member which are used to connect and seal the vertical gaps of two waterproof molds in such a novel construction method.

[0007]

According to a first aspect of the present invention, each has a concrete pouring surface and a surface, and further communicates with a water permeable layer on the concrete pouring surface side and in the longitudinal direction on the surface side of the water permeable layer. A method for constructing a concrete wall by vertically connecting two waterproof forms each having a water-conducting layer extending in the direction of (a) the upper and lower ends of the two waterproof forms on the concrete placing surface side. A first member having a first plate-like portion for sealing the gap between the first member and (b) a first member configured to be assembled / separable from the first member and sealing the gap on the front surface side; The second plate-shaped portion and the second plate-shaped portion that seals the lower upper ends of the two waterproof molds and the upper lower end of the two waterproof molds, and cooperates with the third plate-shaped portion to define the interval Prepare a second member having a supporting piece to be mounted (c) attached to the surface of the two waterproof forms And a third member having a fourth plate-like portion for sealing the gap and a water draining portion for guiding the water from the upper water guiding layers of the two waterproof molds to the lower water guiding layers of the two waterproof molds. , (D) Assembling the first member and the second member, connecting the two waterproof formwork in the vertical direction, (e) Placing concrete on the concrete pouring surface side, and (f) concrete After casting, the second member is separated from the first member, and
(g) This is a concrete wall construction method in which the third member is attached to the surfaces of two waterproof forms.

A second aspect of the present invention seals the gap between the upper and lower ends of the two waterproof molds on the concrete casting surface side of the two waterproof molds each having a concrete casting surface and a surface. A first member having a first plate-shaped portion, and a first
A second plate-shaped portion which is configured to be assembled / separable from the member and which seals the gap on the front surface side, and a third plate-shaped portion which seals the lower upper end of the two waterproof molds and two A second member is provided that receives a lower end of the upper side of the waterproof mold and has a support piece that cooperates with the third plate-like portion to define a gap, and the first member when connecting the two waterproof molds in the vertical direction. And a second member for assembling the second member.

According to a third aspect of the invention, each has a water-conducting layer which has a concrete pouring surface and a surface, and which communicates with the water-permeable layer on the concrete-casting surface side and extends longitudinally on the surface side from the water-permeable layer. A member for vertically connecting two waterproof molds to each other to seal a gap between an upper end and a lower end of the waterproof molds, the member being attached to the surface of the two waterproof molds and sealing the gap. It is a sealing member provided with a plate-like part which stops, and a draining part for guiding the water from the upper water-conducting layer of two waterproof molds to the lower water-conducting layer of two waterproof molds.

[0010]

In the first aspect of the invention, the first member and the second member are assembled, the two waterproof molds are vertically connected, and concrete is poured on the concrete pouring surface side. Then, the paste-like cement component of concrete that permeates from the water-permeable layer of the upper waterproof mold and flows down the water-conducting layer is surrounded by the second plate-shaped portion, the third plate-shaped portion, and the support piece of the second member. Stored in space. And after curing the concrete, the second
When the member is separated from the first member, this cement component can be removed and the water channels of the water-conducting layers of the two waterproof forms are secured.

Next, when the third member is attached to the surface side of the connecting portion of the two waterproof molds, excess water and the like from the concrete wall flowing down in the upper waterproof mold is removed by the draining part of the third member. It is smoothly guided to the water-conducting layer of the lower waterproof formwork. Therefore, the waterproof function of the waterproof form can be exhibited without collecting excess water or the like from the concrete wall at the connecting portion of the two waterproof forms.

In the second aspect of the invention, between the first plate-shaped portion and the second plate-shaped portion of the connecting member formed by assembling the first member and the second member, the lower upper end of each waterproof form and Insert the upper bottom edge. Then, the lower end of the upper waterproof mold is supported by the support piece that cooperates with the third plate-shaped portion that seals the upper end of the lower waterproof mold to define the interval between the two waterproof molds.
Two waterproof forms are vertically connected.

In the third aspect of the invention, a sealing member is attached to the surface side of the connecting portion of the two waterproof molds to seal the gap between the upper and lower ends of the two waterproof molds. Then, surplus water that has permeated the permeable layer from the concrete wall flowing down in the upper waterproof mold is smoothly guided to the water guide layer of the lower waterproof mold by the draining portion of the sealing member. Therefore, the waterproof function of the waterproof form can be exhibited without collecting excess water or the like from the concrete wall at the connecting portion of the two waterproof forms.

[0014]

According to the first aspect of the present invention, the water passage of the water guiding layer is secured at the vertical connecting portion of the two waterproof forms, and the surplus water from the concrete wall smoothly flows down without being accumulated. Therefore, water leakage to the surface of the waterproof form can be prevented. According to the second and third aspects of the invention, it is possible to connect and seal the vertical gap between the two waterproof molds in such a novel construction method.

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the accompanying drawings.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 and 2, a concrete wall construction method according to this embodiment includes a first member 1 which is a connecting member.
0 and the second member 12 and the third member 14, which is a sealing member, are used to connect the two waterproof mold frames 16 and 18 in the vertical direction. With reference to FIG. 3, the waterproof form 16
(The lower side in FIGS. 1 and 2) includes a first panel 20a and a second panel 22a that are arranged in parallel with each other.
The first panel 20a and the second panel 22a are connected to each other by a plurality of ribs 24a extending in the vertical direction.
0a, the second panel 22a, and the hollow portion 26a formed by the rib 24a are continuous in the lateral direction to form the heat insulating layer 28a. A fitting protrusion 30a is formed at one end of the heat insulating layer 28a so as to extend in the vertical direction, and a fitting recess having a shape capable of fitting with the fitting protrusion 30a is formed at the other end of the heat insulating layer 28a. 32a is formed extending in the vertical direction. On the concrete pouring surface side of the first panel 20a, a plurality of hollow blocks 34a extending in the longitudinal direction are formed at predetermined intervals. On the concrete pouring surface side of each block 34a, a water permeable layer 36a such as a nonwoven fabric is formed. Is fixed. The space surrounded by the first panel 20a, the block 34a, and the water permeable layer 36a becomes the water conduit 38a, and the region where the water conduit 38a is formed becomes the water conduit 40a. Since the waterproof mold 18 (upper side in FIGS. 1 and 2) is also formed in the same manner as the waterproof mold 16, the same parts are designated by similar reference numerals, and detailed description thereof will be omitted.

The water-permeable layers 36a and 36b of the two waterproof molds 16 and 18 are concrete pouring surfaces, and the surfaces on the opposite sides thereof, that is, the second panels 22a and 22b are surfaces. Except for the water permeable layers 36a and 36b, the two waterproof molds 16 and 18 are integrally formed by extrusion molding of a synthetic resin having low heat conductivity such as polyvinyl chloride.

The first member 10 (FIG. 1) is arranged on the concrete pouring surface side and has a length substantially the same as the horizontal length of the two waterproof forms 16 and 18 and a predetermined vertical width. Including the first plate-shaped portion 42. An anchor portion 44 is provided at the center of the vertical direction of the first plate-shaped portion 42 on the concrete placing surface side.
On the other hand, on the front surface side, a ridge 46 is formed extending in the lateral direction.

The second member 12 is disposed on the front surface side of the two waterproof molds 16 and 18, and has a second plate-shaped portion having a length substantially equal to the lateral length and a width of a predetermined length in the longitudinal direction. 5
Contains 0. A plurality of elongated holes 50a are provided in the lateral direction at a predetermined interval substantially at the center of the second plate-shaped portion 50 in the longitudinal direction. In addition, the upper and lower portions of the second plate-shaped portion 50 are provided with two waterproof formwork 16
In order to make it easy to insert and 18, it is formed with a slight inclination to the front surface side.

On the concrete pouring surface side of the second plate-like portion 50, a support portion 52 for supporting the lower end of the waterproof form 18 is provided laterally above the elongated hole 50a.
On the other hand, at a position below the elongated hole 50a and defining the upper ends of the two waterproof mold frames 16 and the lower end of the waterproof mold frame 18 from the position of the support portion 52 at a predetermined interval, the upper end of the waterproof mold frame 16 is placed. A third plate-shaped portion 54 for sealing is provided.

The third plate-shaped portion 54 has a width substantially equal to the thickness of the waterproof mold 16, its lower surface abuts on the upper end of the waterproof mold 16, and the entire upper end of the waterproof mold 16 is sealed. It Third
At the tip of the plate-shaped portion 54 on the concrete pouring surface side, the upper end of the waterproof mold 16 and the lower end of the waterproof mold 18 extend upward by a distance that defines a predetermined interval, and at the substantially center in the vertical direction thereof, The support piece 56 having the recess 56a into which the protrusion 46 of the first member 10 can be fitted is provided. The support piece 56 defines a predetermined distance between the upper and lower ends of the two waterproof molds 16 and 18 in cooperation with the third plate-shaped portion 54. Therefore, in the second member 12, the U-shaped groove-shaped space A is formed by the second plate-shaped portion 50, the third plate-shaped portion 54, and the support piece 56. In addition, a support portion 58 is provided at the upper end of the support piece 56 so as to project horizontally toward the front surface and to support the lower end of the waterproof mold frame 18.

The first member 10 and the second member 12 are formed by the ridges 4
6 is fitted in the recess 56a, the first plate-shaped portion 42 and the support piece 5
6 and 6 are brought into contact with each other to be integrated to form a vertical connecting member of the waterproof form. In addition, when the upper and lower portions of the second plate-shaped portion 50 of the second member 12 are pulled toward the front surface side, the recess 56 a causes the ridge 46 to be formed.
The first member 10 and the second member 12 are separated from each other.
That is, the second member 12 can be assembled / separated from the first member 10.

The third member 14 (FIG. 2) is a sealing member on the surface of the driven waterproof mold, and is the upper end of the waterproof mold 16 and the waterproof mold 1.
A vertical width greater than the spacing that defines the lower end of 8 and 2
It includes a fourth plate-shaped portion 60 having a length substantially equal to the lateral length of the two waterproof forms 16 and 18. Fourth plate-shaped portion 6
An engaging piece 60a for engaging with the upper end of the waterproof form 16 is provided laterally extending at a position slightly lower than the center in the vertical direction on the concrete placing surface side of 0. The two waterproof molds 16 and 1 are located above the engaging piece 60a.
A water draining portion 62 is provided at a position slightly shorter than the distance between the water drainage portion 8 and the water drainage portion 8.

The water draining portion 62 is the water conducting layer 4 of the waterproof mold 18.
It is for guiding the water from 0b to the water guiding layer 40a of the waterproof mold 16. The shape of the draining portion 62 is the fourth plate-shaped portion 60.
From the end to the concrete pouring surface horizontally for a predetermined length and incline downward from the middle so that the length from the tip to the fourth plate-like portion 60 is slightly longer than the thickness of the heat insulating layer 40a. It is extended and formed.

Further, in the above embodiment, the case where the elongated hole 50a is provided in the second plate portion 50 of the second member 12 is shown.
Instead of the long hole 50a, a plurality of intermittent circular holes or square holes continuous in the lateral direction may be provided. Referring to FIGS. 4 to 8,
The procedure for constructing a concrete wall is described below. When constructing a concrete wall, first, the first member 10 described above,
The second member 12 and the third member 14 are prepared. And
As shown in FIG. 4, the protrusion 46 of the first member 10 is attached to the second member 1
The second plate-shaped portion 42 is fitted into the second concave portion 56a, and the first plate-shaped portion 42 is supported by the supporting piece 56.
And the first member 10 and the second member 12 are assembled. Next, as shown in FIG. 5, between the first plate-shaped portion 42 of the first member 10 and the second plate-shaped portion 50 of the second member 12 arranged in parallel in the vertical direction, two waterproof molds are provided from above and below. Boxes 16 and 1
Insert the upper and lower ends of 8. And the waterproof form 16
The lower end of the waterproof form 18 is brought into contact with the support parts 52 and 58 of the second member 12 so as to contact the lower face of the third plate-like portion 54 of the second member 12, and the two waterproof form 16 And 18
Are vertically connected (FIG. 6).

After the connection, the surface sides of the two waterproof molds 16 and 18 are reinforced with a thick material (not shown) or the like, and then concrete is placed on the concrete placing surface side. Then, the paste, which is a cement component of concrete, penetrates the water permeable layer 36b of the waterproof form 18, is guided downward through the water conduit 38b of the water conduit 40b, and is formed by the space A formed by the second member 12. Accumulate inside. When the amount of slag from the concrete is large, the slag is discharged to the surface side from the long hole 50a provided in the second plate-shaped portion 50 of the second member 12.

When the concrete is cured and hardened, the anchor portion 44 provided on the first member 10 is embedded in the concrete, and the first member 10 and the two waterproof molds 16 and 18 are firmly integrated with the concrete wall. Be converted. The second member 12 of the second member 12
The second member 12 is separated from the first member 10 by pulling out the upper part and the lower part of the plate-shaped part 50 to the front surface side. Then, the second
Slag from the concrete accumulated in the space A of the member 12 is removed (FIG. 7). With the second member 12 separated, the clogging of the water guiding layers 40a and 40b is confirmed from the upper and lower ends of the two waterproof forms 16 and 18, and the water guiding paths 38a and 38b are secured if necessary.

Finally, the third member 14 to which the double-sided butyl tape 70 is attached is attached to the upper and lower portions of the fourth plate portion 60 of the third member 14 on the concrete placing surface side, and the tip of the draining portion 62 is set to 2 It is inserted and attached between the upper end of one waterproof mold 16 and the lower end of the waterproof mold 18 (FIG. 8). Then, surplus water and the like from the concrete flowing down in the waterproof mold 18 is guided to the water guiding layer 40a side of the lower waterproof mold 16 by the draining portion 62 at the connecting portion. Therefore, the waterproof form 16
This water can be prevented from flowing into the heat insulating layer 28a side.

According to this embodiment, the slag of the concrete flowing down the water guiding layer 40b of the upper waterproof mold 18 from the time when the concrete is poured to the time when it is cured and hardened is in the space A of the second member 12. Or is discharged to the surface side from the long hole 50a. And second after the concrete hardens
By removing the member 12, slag from the concrete can be removed, and the water conduits 38b and 38a can be secured. Further, it is possible to visually confirm whether or not the water guiding layers 40a and 40b are clogged.

When excess water of the concrete wall, etc., flows down in the waterproof mold 18 after the third member 14 is attached, this water is introduced to the lower waterproof mold 16 by the draining portion 62 of the third member 14. It is guided to the layer 40a side. Therefore, this water smoothly flows down to the water guiding layer 40a side at the connecting portion of the two waterproof molds 16 and 18, so that the water can be prevented from leaking to the surface side without being accumulated in the portion.

Further, in the above-mentioned embodiment, the third member 14 is made of the double-sided butyl tape, and the two waterproof forms 16 and 1 are formed.
Although the case where it is attached to the connecting portion on the front surface side of 8 is shown, a fitting convex portion is provided on the fourth plate-shaped portion 60 instead of the double-sided butyl tape, and it is provided between the upper and lower ends of the two waterproof mold frames 16 and 18. Alternatively, the third member 14 may be attached by fitting into.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing one embodiment of the present invention.

FIG. 3 is an illustrative view showing a laterally connected state of the waterproof form.

FIG. 4 is an illustrative view showing a method of assembling the first member and the second member.

FIG. 5 is an illustrative view showing a method of vertically connecting waterproof molds.

FIG. 6 is an illustrative view showing a state where concrete is placed in a waterproof formwork connected in the vertical direction.

FIG. 7 is an illustrative view showing a state in which a second member has been removed and a third member has been prepared in the embodiment of FIG. 6;

FIG. 8 is an illustrative view showing a state in which a third member is attached in the embodiment of FIG.

FIG. 9 is an illustrative view showing a conventional technique;

[Explanation of symbols]

 10 ... 1st member 12 ... 2nd member 14 ... 3rd member 16, 18 ... Waterproof formwork 28a, 28b ... Thermal insulation layer 36a, 36b ... Water permeable layer 38a, 38b ... Water conduit 40a, 40b ... Water guiding layer 42 ... 1st Plate-shaped portion 44 ... Anchor portion 46 ... Projection 50 ... Second plate-shaped portion 50a ... Long hole 54 ... Third plate-shaped portion 56 ... Support piece 60 ... Fourth plate-shaped portion 62 ... Draining portion

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masaki Kobayashi 1-5-43 Shitennoji, Tennoji-ku, Osaka Muramoto Construction Co., Ltd. Osaka Head Office (72) Inventor Naohiro Kawaguchi 1-5 Shitennoji, Tennoji-ku, Osaka No. 43 Muramoto Construction Co., Ltd. Osaka Head Office (72) Inventor Masami Yamashita 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. Head Office (72) Inventor Koichi Iwanami 1-chome Kyobashi, Chuo-ku, Tokyo No. 7-1 Toda Ken Construction Co., Ltd. Head Office (72) Inventor Akihiro Miwa 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Ken Construction Co., Ltd. Head Office (72) Inventor Hideki Kajiwara 64 Ishizukitamachi, Sakai City, Osaka Prefecture No. 64 Inside Kubo Tavinyl Pipe Plant Co., Ltd. (72) Inventor Rikuo Watanabe 64 Ishizu-Kitamachi, Sakai City, Osaka Prefecture Inside Kubo Tavinyl Pipe Plant (72) Who Kazutaka Takada Sakai, Osaka Prefecture Ishizukita-cho, 64 address, Ltd. Kubo Tabinirupaipu in the factory (72) inventor Tomoaki Hori Sakai, Osaka Prefecture Ishizukita-cho, 64 address, Ltd. Kubo Tabinirupaipu in the factory

Claims (3)

[Claims] 1. A water-conducting layer having a concrete pouring surface and a surface, respectively, and further having a water-conducting layer communicating with the water-permeable layer on the concrete-placing surface side and extending in the longitudinal direction on the surface side from the water-permeable layer. A method for constructing a concrete wall by vertically connecting two waterproof forms, comprising: (a) a space between upper and lower ends of the two waterproof forms on the concrete placing surface side. A first member having a first plate-shaped portion to be sealed is prepared, and (b) a second plate configured to be assembled / separated from the first member and sealing the gap on the front surface side. A third part for sealing the upper part of the lower part of the bottom and the two waterproof molds
Preparing a second member that receives a plate-shaped portion and upper lower ends of the two waterproof molds and that has a support piece that cooperates with the third plate-shaped portion to define the interval; (c) the two Attached to the surface of the waterproof formwork,
And a fourth plate-shaped portion for sealing the gap, and a drainer for guiding water from the upper water-conducting layers of the two waterproof molds to the lower water-conducting layers of the two waterproof molds. 3 members are prepared, and (d) the first member and the second member are assembled and the 2
Vertically connecting two waterproof forms, (e) placing concrete on the concrete placing surface side, (f) separating the second member from the first member after placing the concrete, And (g) a method for constructing a concrete wall, in which the third member is attached to the surfaces of the two waterproof forms. 2. A first sealing means for sealing a gap between upper and lower ends of the two waterproof molds on the concrete casting surface side of two waterproof molds each having a concrete casting surface and a surface. A first member having a plate-shaped portion, and a second plate-shaped portion configured to be assembled / separable from the first member and sealing the gap on the front surface side, and the two waterproof molds. A second member having a third plate-shaped portion that seals the lower upper end and a support piece that receives the upper lower ends of the two waterproof molds and that cooperates with the third plate-shaped portion to define the interval. And when connecting the two waterproof forms in the vertical direction, the first
A connecting member for assembling a member and the second member. 3. Each has a concrete placing surface and a surface, and further has a water guiding layer which communicates with the water permeable layer on the concrete placing surface side and extends in the longitudinal direction on the surface side from the water permeable layer. A member for vertically connecting two waterproof molds to seal a gap between an upper end and a lower end of the waterproof molds, the member being attached to the surface of the two waterproof molds, and the gap. A sealing member comprising: a plate-like portion for sealing the water and a drainer portion for guiding water from the upper water guiding layers of the two waterproof molds to the lower water guiding layer of the two waterproof molds.