JPH08199665A - Water cut-off construction for sideditch - Google Patents

Abstract

PURPOSE: To simply carry out water cut-off process for a sideditch, and make the construction work short, easy, and efficient. CONSTITUTION: Lock grooves 3 are formed vertically and continuously on one confronted end face 2a of a sideditch main body 1, and water expansion type water cut-off materials 4 are mounted in the lock grooves 3. For forming a flow passage by connecting together a plurality of the sideditch main bodies 1, the sideditch main bodies 1 in which the water expansion type water cut-off materials 4 are mounted in the lock grooves 3 are laid in the direction so that it is contacted with the confronted end face 2b of the adjoining sideditch main body 1, and the water expansion type water cut-off materials 4 are interposed between the sideditch main bodies 1, 1. The water expansion type water cut-off material 4 is expanded by supply of water content due to flowing water and the like in the flow passage, and hence water cut-off at the joint of the adjoining sideditch main bodies 1, 1 of which the confronted end faces are contacted with each other is attained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water stop structure for a gutter used as a member for forming a flow channel such as a water channel or a drain channel.

[0002]

2. Description of the Prior Art At present, it is rational that it can be used for various purposes as a normal U-shaped gutter, a deep gutter or a sloped gutter by simply pouring cast-in-place concrete on the open bottom. Gutters have been developed.

Conventionally, for example, the structure shown in FIG. 10 is known as a water stop structure for this side groove.

In the structure shown in FIG. 10, a joint hole 104 is formed in the abutting end face 103 of the gutter main body 102 of the gate structure installed on the bottom member 101 such as concrete, and an appropriate amount of mortar is formed in the joint hole 104. A series of work is repeated in which 105 is charged, the mortar 105 charged with a thrust rod 106 such as a vinyl chloride pipe is tamped, the mortar 105 is removed after the mortar 105 is tamped, and the mortar 105 is charged again and tamped with the thrust rod 106. The water-stopping structure of the gutter thus constructed is shown.

[0005]

However, as in the above-mentioned conventional technique, in order to obtain the water-stop structure of the side grooves by inserting the mortar 105 into the joint hole 104 and solidifying the mortar 105 with the thrust rod 106, the mortar 105 is manually operated. Since it is necessary to put the mortar 105 into the joint hole 104 by work and solidify the put mortar 105 with the tap rod 106, it takes time and labor, and there is a problem that the work efficiency of laying cannot be improved.

The present invention has been made by paying attention to the above-mentioned problems, and it is possible to easily perform the water stop treatment of the gutter, and to shorten, facilitate and improve the efficiency of the laying work. The challenge is to provide a water structure.

[0007]

Means for Solving the Problems In order to solve the above problems, a water stop structure for a gutter according to the present invention is formed into a gate shape having an open bottom portion, and a plurality of gutter bodies are connected to form a flow path, An engaging groove continuously formed in the up-down direction on at least one abutting end surface of the gutter main body, and another abutting groove that is attached to the engaging groove and expands when moisture is supplied to the abutment groove. And a water-expandable water-stopping material that abuts against the abutting end surface of the main body to stop the joint between the adjacent gutter main bodies (claim 1).

Further, an escape groove may be formed on the abutting end surface of the other side groove main body with which the water-expandable water blocking material expands and contacts (claim 2).

Further, it has an open bottom and is molded into a gate shape.
A plurality of gutter bodies that are connected to each other to form a flow path, a first locking groove that is continuously formed in one of the abutting end surfaces of the gutter body in the vertical direction, and a lower inner surface of the gutter body from the tip. Another side groove main body which is attached to the second locking groove formed continuously to the rear end and the first locking groove and the second locking groove, expands when water is supplied, and abuts against each other A water-expandable water-stopping material that abuts the butting end surface of the gutter body to stop the seam between adjacent gutter bodies, and abuts the side surface of the bottom surface member to stop the seam between the gutter body and the bottom surface member. Is provided (Claim 3).

Further, the first locking groove and the second locking groove are formed continuously, and an integral continuous water-expandable water blocking material may be attached to these locking grooves. it can.
(Claim 4).

The water-swellable water blocking material may be formed of a non-swellable rubber material and a water-swellable material surrounding the rubber material. (Claim 5).

[0012]

[Function] A locking groove is formed continuously in the up-down direction on one of the abutting end surfaces of the side groove body, and the locking groove is provided with a water-expandable water blocking material, so Water material expands due to the supply of water such as running water flowing through the flow path,
While abutting the abutting end face of another butted gutter body to stop the joint between adjacent gutter bodies,
The self-weight of the gutter body and the pressing force of the abutting end faces of each other improves the fixing force of the gutter body.

Further, when a relief groove is formed on the abutting end face of the other gutter body with which the water-swellable water-stopping material expands and comes into contact, the water-swellable water-stopping material expands to make it difficult for the escape groove to enter. It will be fixed more firmly (claim 2).

A first engaging groove is formed continuously on one abutting end surface of the gutter body in the vertical direction, and a second engaging groove is formed continuously on the lower inner surface of the gutter body from the front end to the rear end. , Since the water-swellable water blocking material is mounted in these locking grooves, the water-swellable water blocking material expands due to the supply of water by running water flowing through the flow path, etc. The joint between the gutter bodies can be stopped by contacting the butt end face, and the joint between the side groove body and the bottom member can be stopped by contacting the side surface of the bottom member. (Claim 3).

If the first locking groove and the second locking groove are formed continuously and an integral water-expandable water blocking material is attached to these locking grooves, the mounting of the water blocking material is further simplified. (Claim 4).

When the water-swellable water-stop material is formed of a non-expandable rubber material and a water-swellable material surrounding the non-expandable rubber material, expansion of the water-stop material causes the core portion to move closer to the center of the joint portion. A strong bond between the two can be achieved (claim 5).

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) 1 is a concrete gutter main body, and this gutter main body 1 is a so-called free-gradient gutter which is formed in a gate shape and has an open bottom portion. It forms channels such as irrigation channels and drainage channels.

On one of the left and right abutting end faces 2a, 2a of the gutter main body 1, there are locking grooves 3, 3 having a predetermined width and depth.
3 is continuously formed in a predetermined length in the vertical direction. The locking groove 3 is provided with a plurality of convex portions 3a at regular intervals.

Reference numeral 4 denotes a water-swellable water-stop material. The cross-section of the water-swellable water-stop material 4 is, as shown in FIG. 2, an elastic rubber (non-inflatable rubber material) 4a and water expansion material surrounding it. It is composed of a material 4b. The water-swellable material 4b is made of, for example, a material obtained by mixing and vulcanizing a highly water-absorbent resin and a synthetic rubber, and the synthetic rubber contains 5 to 10% of a crystal region (or a glass-like material) at room temperature. Region) is used.

The water-swellable water blocking material 4 has a circular cross section, and when the water blocking material 4 is mounted in the locking groove 3, a plurality of convex portions 3a of the locking groove 3 are provided. It is locked and retained in the compressed state, and is housed in the locking groove 3 (see FIGS. 3 and 4).
(See). In this way, by providing a plurality of convex portions 3a in the locking groove 3 in the vertical direction, it is possible to lock and hold the water-swellable water blocking material 4 without using an adhesive. In addition, 5 is an open hole.

In the gutter main body 1 thus constructed, in order to connect a plurality of gutter main bodies 1 to form a flow path, first, the base concrete 7 is laid on the gravel 6 and the base concrete 7 The gutter main bodies 1 in which the water-swellable water blocking material 4 is mounted in the locking grooves 3 are laid along both sides so that the abutting end faces 2b of the adjacent gutter main bodies 1 are in contact with each other. The water-swellable water blocking material 4 is interposed therebetween (see FIG. 5).

After that, a worker enters through the open hole 5 and invert concrete (mortar) 8 is applied on the base concrete 7 so as to provide a gradient, and the waterproof treatment between the invert concrete 8 and the inner surface of the gutter main body 1 is performed. (See FIGS. 5 and 6).

As a result, the water-expandable water blocking material 4 expands due to the supply of water such as flowing water flowing through the flow path, contacts the abutting end surface 2b of the other abutted gutter body 1, and the adjacent gutter body 1, Stop the water between the seams.

As described above, according to the water stop structure of the gutter of the present embodiment, as compared with the conventional case where the mortar is put into the joint hole and the stick is solidified with the stick, the water stop structure of the gutter is obtained. The water stopping process can be easily performed, and the laying work can be shortened, facilitated, and made more efficient.

Further, in this embodiment, the water-swellable waterproof material 4 is composed of the elastic rubber (non-expandable rubber material) 4a and the water-swellable material 4b. By the expansion of the water-swellable material 4b described above, the core portion is brought close to the central portion of the joint portion, so that it is possible to strongly join the butt end faces.

(Second Embodiment) In the present embodiment, as shown in FIG. 7, another side groove main body 11 with which the water-expandable water-stopping material 14 mounted in the locking groove 13 expands (broken line portion) and contacts. Different from the first embodiment in that an escape groove 15 is formed in the abutting end face 12b, the other structure is the same as that of the first embodiment. In addition, 12a is one of the abutting end faces of the side groove body 11, 13a is a convex portion formed on the locking groove 13 for locking and holding the water-expandable water blocking material 14, and 14a is the water-expandable water blocking material 14.
The elastic rubber (non-expandable rubber material), and 14b are water-expandable materials.

Therefore, according to the present embodiment, in the waterproof treatment of the joint between the gutter main bodies 1 and 1, even if the water-expandable waterproof material 14 expands, the gutter main bodies 1 are not easily displaced from each other. , Because the water-expandable water-stopping material 14 fits into both grooves,
The gutter body 11 is firmly fixed.

(Third Embodiment) 21 is a concrete gutter body, which is called a free-gradient gutter as in the first embodiment.

First engaging grooves 23, 23 having a predetermined thickness and a predetermined depth are continuously formed in the vertical direction on the left and right abutting end faces 22a, 22a of the side groove main body 21. The first locking groove 23 is provided with a plurality of convex portions 23a at regular intervals.

Left and right lower inner surfaces 22c, 2 of the gutter body 21
2c includes a second locking groove 24 having a predetermined width and depth,
24 is formed continuously from the front end to the rear end (only one lower inner surface 22c and the locking groove 24 are shown in FIG. 8). In addition, in the second locking groove 24, the first
Similar to the locking groove 23, a plurality of convex portions 24a are provided at regular intervals. In this embodiment, the first locking groove 23 and the second locking groove 24 are formed continuously.

Reference numeral 25 is a water-swellable water blocking material having the same construction as that of the first embodiment. Water-expandable water blocking material 2
5 is an integral unit having a length, width, and depth that can be simultaneously installed in the first locking groove 23 and the second locking groove 24. When it is mounted on, the waterproofing material 25 is retained by being locked by the convex portions 23a, 24a of the locking grooves 23, 24 in a compressed state. In addition, 26 is an open hole.

In the gutter body 21 having the above-mentioned structure, a plurality of gutter bodies 21 are connected to each other to form a flow path.
First, spread the base concrete 28 on the gravel 27,
Place a plate 29 on this base concrete 28,
Water stop treatment is applied to the joint between the plates 29. The water-expandable water blocking material 2 is formed on the first locking groove 23 and the second locking groove 24.
5 is installed so that the abutting end surfaces 22b of the adjacent gutter main bodies 21 are in contact with each other, and the water-swellable water blocking material 25 is interposed between the gutter main bodies 21 and 21, and the plate 29 of the plate 29 is provided. The water swellable water blocking material 25 is also arranged on both side surfaces.

The water-swellable water-stopping material 25 expands due to the supply of water such as flowing water flowing through the flow path, and is in contact with the abutting end face 22b of the other abutting gutter main body 21 between the adjacent gutter main bodies 21, 21. While stopping the seam of
The side groove body 21 and the plate 2 are in contact with the side surface of the plate 29.
Stop the seams between 9th.

According to the water blocking structure of the gutter of this embodiment, the first
As in the case of the embodiment, the waterproof treatment of the gutter can be easily performed, and the laying work can be shortened, facilitated, and made more efficient.

Further, in this embodiment, the first locking groove 23 and the second locking groove 23
The locking groove 24 and the locking groove 23, 2 are formed continuously.
Since the water-expandable water-blocking material 25 is attached to the unit 4 as described above, it is not necessary to seal the joint between the gutter main body 21 and the plate 29, and the water-stopping process becomes easier.

Although the embodiments have been described above with reference to the drawings, the specific configuration is not limited to the embodiments, and modifications and additions within the scope of the present invention are included in the present invention. Be done.

For example, in the third embodiment, the first locking groove and the second locking groove are continuously formed, and the water-expandable water blocking material fitted into these locking grooves is integrally formed. Used, first
The locking groove and the second locking groove may be formed separately, and the water-expandable water blocking material may be attached to each locking groove.

[0039]

As described above, according to the present invention, the following effects can be obtained.

(A) A locking groove is formed continuously in the up-down direction on one of the abutting end surfaces of the side groove main body, and a water-expandable water-stopping material is attached to this locking groove. The expansive water-stopping material expands due to the supply of water such as running water flowing through the flow path, and abuts the abutting end face of another butted gutter body to stop the seam between the adjoining gutter bodies. The self-weight of the main body and the pressing force of the abutting end faces of each other improve the fixing force of the gutter main body.

(B) Further, when a relief groove is formed on the abutting end face of the other side groove body with which the water-swellable water-stopping material expands and contacts, the water-swellable water-stopping material expands and the escape groove is difficult to enter. The gutter body is more firmly fixed (claim 2).

(C) A first engaging groove is formed continuously in the vertical direction on one of the abutting end surfaces of the gutter body, and a second engaging groove is formed continuously on the lower inner surface of the gutter body from the front end to the rear end. Since the water-swellable water-stopping material is mounted in these locking grooves, the water-swellable water-stopping material expands due to the supply of water such as running water flowing through the flow path, so that the other water Since it can stop the joint between the adjacent groove main bodies by contacting the abutting end face of the side groove main body, and can also stop the joint between the side groove main body and the bottom surface member by contacting the side surface of the bottom member.
The still water treatment is remarkably simplified (Claim 3).

(D) When the first locking groove and the second locking groove are formed continuously and the water-expandable water blocking material integral with these locking grooves is mounted, the water blocking material can be attached more easily. It is simplified (claim 4).

(E) When the water-swellable water-stop material is formed of a non-expandable rubber material and a water-swellable material surrounding the rubber material, the core portion is located near the center of the joint due to the expansion of the water-stop material, so that the elastic material is elastic. It becomes possible to strongly bond the two around the core part (claim 5).

[0045]

[Brief description of drawings]

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

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a sectional view taken along line CC of FIG.

FIG. 5 is a view showing a construction state of the first embodiment of the present invention.

6 is a cross-sectional view taken along the line DD of FIG.

FIG. 7 is a cross-sectional view of essential parts showing a clearance groove according to a second embodiment of the present invention.

FIG. 8 is a perspective view of a third embodiment of the present invention.

FIG. 9 is a view showing a construction state of the third embodiment of the present invention.

[Explanation of symbols]

 1,11,21 Gutter main body 2a, 2b Butt end surface 3,13 Locking groove 4,14,25 Water-expandable water stop material 4a, 14a Elastic rubber 4b, 14b Water-expandable material 5,26 Open hole 6,27 Gravel 7,28 Base concrete 8 Invert concrete 12a, 12b Butt end surface 22a, 22b Butt end surface 22c Side groove main body inner surface 23 First locking groove 23a Convex portion 24 Second engaging groove 24a Convex portion 29 Plate (bottom member)

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[Procedure amendment]

[Submission date] May 15, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Fig. 10

[Correction method] Added

[Correction content]

FIG. 10 is a view showing a conventional water stop structure for a gutter.

Claims (5)

[Claims] 1. A gutter body having an open bottom and formed in a gate shape, a plurality of which are connected to each other to form a flow path, and at least one abutting end surface of the gutter body, which is formed continuously in the vertical direction. A locking groove and a groove that is attached to the locking groove and expands when water is supplied to contact the abutting end surface of another butted gutter body to stop the joint between adjacent gutter bodies. A water-stopping structure for a gutter, comprising: a water-expandable water-stopping material. 2. The water stop structure for a gutter according to claim 1, wherein an escape groove is formed on a butt end surface of the other gutter body with which the water-expandable water stop material expands and contacts. 3. A gutter body which has an open bottom and is formed in a gate shape, and a plurality of gutter bodies are connected to each other to form a flow path, and one of the abutting end faces of the gutter body is formed continuously in the up-down direction. 1 locking groove, a second locking groove formed continuously on the lower inner surface of the gutter body from the front end to the rear end, and mounted on the first locking groove and the second locking groove to prevent moisture. When expanded by being supplied, it abuts the abutting end surface of the other abutted gutter body to stop the joint between adjacent gutter bodies, and abuts the side surface of the bottom member to form the gutter body and the gutter body. A water-stopping structure for a gutter, comprising a water-expandable water-stopping material that stops a joint between bottom members. 4. The first locking groove and the second locking groove are formed continuously, and an integral continuous water-expandable water blocking material is attached to these locking grooves. 3. The water stop structure of the gutter described in 3. 5. The water-swellable water-stop material is formed of a non-swellable rubber material and a water-swellable material that surrounds the rubber material.
The water stop structure of the gutter according to any one of to 4.