KR20160104488A - Assembly type hole repair system - Google Patents

Assembly type hole repair system Download PDF

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Publication number
KR20160104488A
KR20160104488A KR1020150027611A KR20150027611A KR20160104488A KR 20160104488 A KR20160104488 A KR 20160104488A KR 1020150027611 A KR1020150027611 A KR 1020150027611A KR 20150027611 A KR20150027611 A KR 20150027611A KR 20160104488 A KR20160104488 A KR 20160104488A
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South Korea
Prior art keywords
concrete hole
plate
repair
sewage
manhole
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KR1020150027611A
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Korean (ko)
Inventor
김용철
Original Assignee
주식회사 비젼개발
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Priority to KR1020150027611A priority Critical patent/KR20160104488A/en
Publication of KR20160104488A publication Critical patent/KR20160104488A/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/128—Repairs of manhole shafts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D37/00—Repair of damaged foundations or foundation structures
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sewage (AREA)

Abstract

The present invention relates to a prefabricated concrete hole repair system of an underground sewage facility, which can easily repair a damaged manhole inner wall by simply attaching and installing mortar without a separate fastening member, and in response to an area requiring repair, So that it can be adjusted easily.
A concrete hole repair system of an underground sewage facility for this purpose comprises: a plurality of anchor sockets fixedly mounted on an inner wall of a concrete hole requiring repair; A plurality of connection portions protruding from the front surface of the plate member and connected to the anchor socket to support the plate member so as to face the inner wall of the concrete hole while being spaced apart from each other And a repairing plate, wherein repair mortar can be installed between the inner wall of the concrete hole and the repairing plate.

Description

{ASSEMBLY TYPE HOLE REPAIR SYSTEM}

The present invention relates to a member for repairing a concrete hole of an underground sewage facility such as a manhole or a sewer pipe, and particularly to a structure for repairing a concrete hole of a manhole or the like without a separate fastening member, It is easy to repair the damaged inner wall of the concrete hole by simply attaching it to the concrete hole wall and installing the mortar, and it is possible to easily repair the repair area corresponding to the area requiring repair. .

In general, the water turning work refers to a construction work that bypasses the sewer pipe where the flowing sewage is buried and flows. In order to repair the pipeline buried in the underground, priority is given to various un-excavation work or work such as unscrewing work or CCTV shooting It is practically essential.

In recent years, in order to repair the pipeline, it is necessary to perform drilling that can repair the pipeline without excavating the soil, instead of excavation of excavated soil using heavy equipment, CCTV (Closed-Circuit Television) photographing is actively performed.

The excavation work and the CCTV photographing as described above have a great possibility of damaging the communication cable, the electric power cable and the city gas pipe buried in the underground, as well as road breakage while using the heavy equipment such as excavator, And it is in a tendency to increase rapidly mainly in urban areas and new city land development sites because it solves most of the problems caused by the above excavation work.

Accordingly, as described above, since the un-excavation work and the CCTV photographing work are rapidly increasing at the construction site, the water turning operation precedent thereto is becoming more urgent than ever before.

1 is a reference diagram for explaining a water turning method according to the prior art.

As shown in the figure, according to the conventional water turning method, the upstream side pipeline P2, the intermediate pipeline P1, and the downstream side pipeline P3 are sequentially arranged from the upstream side to the downstream side via the manholes M1 and M2 A large water pump 10 is installed on the ground and a water turning pipe 30 is provided so as to pass through the ground before and after the water pump 10.

According to such a construction, the water pump 10 is operated to pump the sewage W through the upstream manhole Ml and pumped up to the ground, and then discharged through the manhole M2 located on the downstream side to perform the water turning operation I could.

However, such a conventional water turning method has a problem in that it requires the use of a water pump 10 which consumes a lot of electric power and is inconvenient to move.

In addition, since the amount of sewage pumped by the water pump 10 is limited, it is possible to perform water turning operation for small-sized pipelines in which the amount of sewage W is not small. However, · There is a problem that it is difficult to turn the water in large-sized pipelines.

Therefore, in order to solve the above-mentioned problems inherent in the present applicant, the patent application has been proposed and proposed as a method of turning a manhole-type water-turning device and a water-turning device (see patent application no. The water level difference of the sewage was able to carry out the water turning simply in the middle and large pipe, and it was enough to cause a sensation in the related industry.

However, in the case of the above-described method and apparatus for turning a manhole-like water, a high water pressure acts on the manhole wall in the process of sewage flowing from the manhole located at the upstream side. When the manhole wall is cracked or damaged, Causing a new problem of contaminated sewage draining to the ground through the surrounding soil.

Therefore, it is necessary to repair the damaged manhole prior to the operation of the natural descent type manhole, so it was necessary to develop a technique capable of quickly performing such repair work at a high quality.

Further, even in the case of various concrete holes such as a manhole as well as manholes, it is very difficult to perform the field maintenance work on the inner wall so that a more convenient type of maintenance member and method are required .

Korean Patent Application No. 2006-0071501 (2006.06.27)

Accordingly, it is an object of the present invention to provide a concrete mortar having a plurality of concrete holes, such as a manhole or a sewer pipe, The present invention provides a repair system for a concrete hole in an underground sewage facility, which can easily repair a repair area in accordance with an area requiring repair.

In order to achieve the above object, the concrete hole repair system of the underground sewage facility according to the technical idea of the present invention is for repairing various types of concrete hole inner walls such as a manhole or a sewer line in an underground sewage system, A plurality of anchor sockets fixed to the inner wall of the concrete hole of the underground sewage facility; A plurality of connection portions protruding from the front surface of the plate member and connected to the anchor socket to support the plate member so as to face the inner wall of the concrete hole while being spaced apart from each other And a repairing plate, and a repair mortar can be installed between the inner wall of the concrete hole and the repairing plate.

Here, the maintenance plate may further include ribs connecting the connection portions in the longitudinal direction and the transverse direction.

The plate member, the connecting portion and the rib of the repair plate may be integrally formed of a synthetic resin.

Also, the end of the connection part of the repair plate may be formed as a cross-projection, and the anchor socket may have a cross groove for fixing and fixing the cross-shaped projection of the connection part.

Further, the present invention may further comprise a connecting member for connecting the plate members of the maintenance plate to each other in the middle, wherein the connecting member has fitting grooves at both ends to connect adjacent sides of the plate members to be connected, have.

The concrete hole is a manhole and further includes a water supply member installed below the repair plate to connect the upstream side sewage pipe and the downstream side sewage pipe of the concrete hole to allow the sewage to flow while preventing the sewage from flowing into the concrete hole Wherein the water passage member comprises a pair of airbags which are inflated and fixed by air injection to an outlet of an upstream side sewer line of a concrete hole and an inlet of a sewer line of a downstream side of the concrete hole and a pair of airbags And a water pipe.

In addition, the air bag and the water pipe of the water-permeable member may be made of a material of elastic and collapsible material.

In addition, the air bag and the water pipe of the water-permeable member may be made of a material such as a phamic rubber.

In addition, the concrete hole may be a manhole or a sewage pipe.

The prefabricated concrete hole repair system according to the present invention is provided for repairing the inner walls of various types of concrete holes including the manhole, and has a plate member, a connecting portion, and a repair plate integrally formed with the ribs. By simply attaching and installing mortar, the damaged inner wall of the concrete hole can be repaired and the repair area can be easily adjusted corresponding to the area of the repair area.

In addition, the present invention has high utility in that it can be universally applied to other concrete holes formed in various types of spaces including manholes having square and circular inner spaces.

In addition, the present invention is suitable to be carried out prior to the implementation of the natural descent type manhole seawater, since the damaged manhole can be quickly repaired.

Further, the present invention can effectively block sewage to be introduced into a manhole by a water-permeable member made of a rubber material, so that it is easy to start a full-scale manhole repair work.

In addition, the concrete hole may be a manhole or a sewage pipe.

1 is a cross-sectional view of a prior art
2 is a longitudinal sectional view for explaining a configuration of a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention.
3 is a cross-sectional view for explaining a configuration of a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention.
4 is a perspective view of a repair plate in a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention.
5 is a side view of a repair plate in a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention
6 is a perspective view of a connecting member in a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention.
7 is a perspective view of an anchor socket in a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention.
8 is a perspective view for explaining a configuration of a water supply member in a concrete hole maintenance system of an underground sewage facility according to an embodiment of the present invention;
9 is a sectional view of the water supply member in the concrete hole repair system of the underground sewage system according to the embodiment of the present invention
10 is a view showing a state in which a water supply member is flatly brought into close contact with a concrete hole maintenance system of an underground sewage facility according to an embodiment of the present invention.
11 is a view showing a state in which a water supply member flattened in close contact in a concrete hole maintenance system of an underground sewage facility according to an embodiment of the present invention is folded

The present invention will be described in detail with reference to the accompanying drawings, in which a concrete-hole repairing system for an underground sewage facility according to an embodiment of the present invention is described in detail. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. In the accompanying drawings, the dimensions of the structures are enlarged to illustrate the present invention, and are actually shown in a smaller scale than the actual dimensions in order to understand the schematic structure.

Also, the terms first and second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. On the other hand, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

The concrete hole repair system of the underground sewage system according to the embodiment of the present invention is constructed so as to quickly adhere to the shape of the damaged manhole or the inner wall of the sewage pipe, assemble it, and repair it stably and stably. Especially, it is well suited for repairing damaged manholes prior to the operation of a natural descent type manhole, and it is also suitable for repairing a sewer line requiring quick repair.

Hereinafter, a concrete hole repair system for an underground sewage system according to an embodiment of the present invention will be described. However, the concrete hole repair system of the underground sewage system according to the embodiment of the present invention can be applied to both the manhole and the sewer pipe, but the manhole will be described below for the convenience of explanation. However, the scope of the application is not limited to the manhole, and it can be simply applied to the sewer pipe by a method different from the application.

FIG. 2 is a longitudinal sectional view for explaining the construction of a concrete hole repair system for an underground sewage facility according to an embodiment of the present invention, FIG. 3 is a view for explaining the construction of a concrete hole repair system for an underground sewage facility according to an embodiment of the present invention FIG. 4 is a perspective view of a repair plate in a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention, and FIG. 5 is a perspective view of a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention. Fig. 6 is a perspective view of a connecting member in a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention, and FIG. 7 is a perspective view of an anchor socket in a concrete hole repair system of an underground sewage facility according to an embodiment of the present invention .

As shown in the figure, a concrete hole repair system for an underground sewage system according to an embodiment of the present invention includes a repair plate 110, connecting members 120a, 120b and 120c, an anchor socket 130, 140).

The concrete hole repair system of the underground sewage system according to the embodiment of the present invention is constructed such that the repair plate 110 is installed on the inner surface of the manhole 110 without a separate fastening member such as a bolt or a separate core such as a reinforcing bar, The mortar M can be quickly installed and assembled in accordance with the shape of the manhole A2 so that the manhole inner wall A2 can be seamlessly repaired. At the beginning of the maintenance process of the manhole, it is possible to easily prevent the sewage water from flowing into the manhole A0 by the water supply member 140 configured to be easily carried into the manhole A0.

Hereinafter, the present invention will be described in more detail with reference to the respective components.

The repair plate 110 serves to form a space in which the mortar M can be inserted into the manhole inner wall A2. To this end, the repair plate 110 is formed by integrally molding the plate member 111, the plurality of connecting portions 112 and the ribs 113 using synthetic resin as a raw material. The plate member 111 of the repairing plate 110 is a plate-shaped member facing the manhole inner wall A2 so as to face the manhole inner wall A2 to form a space in which the mortar M can be placed. The plate member 111 is formed corresponding to the shape of the inner wall of the manhole A2. If the inner space of the manhole A0 is formed in a cylindrical shape as shown in FIG. 3A, the plate member 111 may be curved If the space in the manhole A0 is formed in a rectangular column shape as shown in FIG. 3B, the plate member 111 is provided as a flat plate corresponding thereto.

As can be seen from the above configuration, in the case of the concrete hole repair system of the underground sewage system according to the embodiment of the present invention, a manhole having a rectangular and circular internal space as well as other concrete holes having various types of internal spaces such as a sewer pipe, It can be noted that the present invention can be applied as an application.

In FIG. 4, the plate member 111 is shown as having a flat shape in consideration of the case where the inside space A0 of the manhole is formed as a square column for convenience of explanation. However, when the space of the manhole A0 is formed in a cylindrical shape In the case of being formed in the form of a mind or other form, it can be sufficiently carried out through a slight deformation in a form corresponding to the inner wall thereof. In addition, the plate member 111 is formed in a plurality of pieces having a narrower area, rather than being formed as one large piece corresponding to the entire inner wall of the manhole, so as to be assembled by the connecting members 120a, 120b and 120c . This is because it is easy to carry in the inside through the manhole entrance A1 and it is convenient to move and store.

The connection part 112 of the repairing plate 110 is formed to protrude from the front surface of the plate member 111 and the end of the connection part 112 is connected to the anchor socket 130, (A2) so as to be spaced apart from each other. As shown in FIG. 4, the end of the connection part 112 is formed as a cross protrusion 112b and is engaged with the cross groove 132a of the anchor socket 130. When the connecting part 112 is formed integrally with the repair plate 110, the repair plate 110 can be easily connected and fixed to the anchor socket 130 without a separate fastening member. Therefore, in the field, the anchor socket 130 is regularly punched into the manhole inner wall A2 at regular intervals, and then the connecting portions 112 of the repair plate 110 are aligned with the installed anchor socket 130 The back surface of the plate member 111 can be fixed by simply hitting or applying pressure.

The ribs 113 of the repair plate 110 are formed to connect the connection portions 112 in the longitudinal direction and the transverse direction. When the mortar M is laid in a space between the plate member 111 of the repairing plate 110 and the manhole inner wall A2, the rib 113 serves as a core material for holding the mortar M like a reinforcing bar So that the mortar M is more stably fixed and the repair plate 110 is firmly fixed.

The connection members 120a, 120b and 120c are necessary for connecting the repair plate 110 in the middle or for finishing the end of the repair plate 110. [ The connecting members 120a, 120b and 120c are connected to each other in a direction perpendicular to the direction in which the repairing plate 110 is connected as shown in 120b, And is connected to the last repair plate 110 near the manhole entrance A1 as shown by reference numeral 120c to form a space for closing the space between the repair plate 110 and the manhole inner wall A2 There are various kinds. 6 shows an elongated shape connecting the main plate member 110 in a perpendicular direction. The main body 121 is formed in an elongated shape and has a fitting portion It can be confirmed that the groove 122 is formed. The connection members 120a, 120b and 120c are formed in a shape corresponding to the direction in which the repair plate 110 is connected, depending on whether the body 121 is formed in a straight shape or an elongated shape, It may be divided into various types as described above depending on whether the fitting groove 122 should be provided or only one of the both ends of the body 121 is provided with the fitting groove 122. Basically, It can be said that the structure is the same.

The anchor socket 130 serves to fix the repair plate 110 to the manhole inner wall A2. The anchor socket 130 includes a socket protrusion 132 having a cross groove 132a at an end thereof to fix and fix the connection portion 112 of the repair plate 110 as shown in FIG. The socket protrusions 132 are inserted into the socket protrusions 132 so that the connection protrusions 112 of the repair plate 110 held by the socket protrusions 132 are not released when the connection protrusions 112 are retracted, 132 to tighten and tighten. According to the construction of the anchor socket 130, the operator inserts the anchor socket 130 into the manhole inner wall A2 so as to match the arrangement of the connecting portions 112 of the repairing plate 110. At this time, in order to make the installation position of the anchor socket 130 coincide with the connection part 112 formed on the repairing plate 110,

FIG. 8 is a perspective view for explaining a construction of a water supply member in a concrete hole repair system for an underground sewage system according to an embodiment of the present invention, and FIG. 9 is a view for explaining a concrete hole repair system in an underground sewage system according to an embodiment of the present invention. And FIG. 10 is a reference view showing a state in which a water supply member is flatly closely contacted in a concrete hole maintenance system of an underground sewage facility according to an embodiment of the present invention. FIG. 11 is a cross- FIG. 6 is a view showing a state in which a water supply member which is flatly closed in a concrete hole maintenance system of an underground sewage facility is folded; FIG.

The water supply member 140 connects the upstream-side sewage line A5 and the downstream-side sewage line A6 of the manhole when maintenance is performed on the manhole inner wall A2 so as to allow the sewage to flow, . 8 and 9, the water supply member 140 is expanded and fixed to the inlet of the upstream-side sewage line A5 of the manhole and the inlet of the downstream-side sewage line A6 of the manhole by air injection, A pair of airbags 142 having the shape of the airbag 142 and a water pipe 141 connecting the pair of airbags 142 to allow the flow of sewage.

Here, it should be noted that the whole water-permeable member 140 is made of a pomical rubber. As shown in FIGS. 10 and 11, when the water supply member 140 is made of a plastic rubber, the water supply member 140 can be folded and tightly folded, And can easily be carried into the inside A0. And, it can be inflated by air injection without the need for assembly, and installation can be completed easily in sewer pipes. The length of the water pipe 141 made of a plastic rubber can be easily increased even if the length of the water pipe member 140 is longer than the length of the water pipe 140. [ Therefore, the connection between sewer pipes is smooth.

Meanwhile, the air injection into the airbag 142 can be performed using a pump installed outside the manhole by connecting a lake to the injection port 141a provided in the airbag 142. [

The method of installing the concrete hole repair system of the underground sewage system according to the present invention will be described in detail with reference to the accompanying drawings.

First, the water supply member 140 is carried into the manhole A0 to be repaired. At this time, the water supply member 140 can pass through a narrow manhole inlet A1 in a flat state as shown in FIG. 11 in a folded state.

Thereafter, an air injection laceration is connected to the inlet 141a of the water supply member 140 carried into the manhole inside A0 and the air bags 142 provided at both ends are connected to the outlet of the upstream side sewage line A5 and the downstream side sewage line A6) Place it at the entrance. When the air bag 142 of the water supply member 140 is inflated by injecting air by operating a pump installed outside the manhole, the respective air bags 142 are inflated and fixed in close contact with the inner wall of the sewage pipe. At this time, it is preferable that the water supply member 140 is fixed to the upstream side sewage line A5 in advance and then fixed to the downstream side sewage line A6 in consideration of the flow of sewage. As a result, sewage flows from the upstream-side sewage line A5 to the downstream-side sewage line A6 through the water supply member 140 through the manhole member 140, thereby preventing sewage from flowing into the manhole inside A0.

Thereafter, the anchor socket 130 is installed in the entire area or a partial area requiring repair in the manhole inner wall A2. The anchor socket 130 is inserted into the manhole inner wall A2 at regular intervals so as to correspond to the arrangement of the connecting portions 112 of the repairing plate 110. The anchor socket 130 is installed on the maintenance plate 110 In order to make the connection with the connection part 112, it is possible to use a cardboard which is simply formed in the same arrangement.

Thereafter, work for mounting the repair plate 110 proceeds. To this end, the connecting portion 112 of the repairing plate 110 may be positioned corresponding to the anchor socket 130 provided, and then the pressure may be applied or hammered to the opposite rear surface. Then, the connecting portion 112 is seated on the anchor socket 130 without a separate fastening member, and the maintenance plate 110 is fixed with a predetermined spacing from the manhole inner wall A2. In this process, the connecting members 120a, 120b, and 120c are used to connect the repair plate 110 to each other.

After completion of the installation of the repair plate 110, the mortar M is installed in the spacing space formed between the repair plate 110 and the manhole inner wall A2. This completes the high-quality repair work on the inner wall of the manhole (A2), and it is only necessary to wait for the curing of the mortar (M) to be completed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is clear that the present invention can be suitably modified and applied in the same manner. Therefore, the above description does not limit the scope of the present invention, which is defined by the limitations of the following claims.

110: maintenance plate 111: plate member
112: connecting portion 113: rib
120a, 120b, 120c: connecting member 130: anchor socket
140: water supply member 141: water supply pipe
142: air bag 141a:

Claims (9)

A concrete hole repair system for repairing an inner wall of a concrete hole in an underground sewage facility,
A plurality of anchor sockets fixed to the inner wall of the concrete hole requiring maintenance;
And a plurality of connecting portions protruding from the front surface of the plate member and connected to the anchor socket to support the plate member so as to face the inner wall of the concrete hole while being spaced from the inner wall of the concrete hole. Comprising a sheet material,
And a repair mortar can be installed between the inner wall of the concrete hole and the repair plate. The method according to claim 1,
Wherein the repairing plate further comprises ribs connecting the connecting portions in the longitudinal direction and in the transverse direction. 3. The method of claim 2,
Wherein the plate member, the connecting portion, and the ribs of the repair plate are integrally formed of a synthetic resin material. The method of claim 3,
Wherein an end of a connection portion of the repairing plate is formed by a cross-projection, and the anchor socket has a cross groove for fixing and fixing the cross-shaped projection of the connection portion. The method of claim 3,
And a connection member for connecting the plate members of the maintenance plate to each other in the middle, wherein the connection member is provided at both ends with a fitting groove for connecting adjacent sides of the plate members to be connected, Concrete Hall Repair System. The method of claim 3,
The concrete hole is a manhole in a sewer line,
Further comprising a water supply member provided below the repairing plate and connecting the upstream side sewage pipe and the downstream side sewage pipe of the concrete hole so as to allow sewage to flow while preventing sewage from flowing into the concrete hole, A pair of airbags inflated and fixed by an air injection to an outlet of the upstream side sewage pipe and an inlet of a sewage pipe downstream of the concrete hole and a water pipe connecting the pair of airbags to allow the flow of sewage water Concrete hole repair system of underground sewage facilities. The method according to claim 6,
Wherein the air bag and the water pipe of the water supply member are made of a stretchable and foldable material. 8. The method of claim 7,
Wherein the air bag and the water supply pipe of the water supply member are made of a plastic material. 6. The method according to any one of claims 1 to 5,
Wherein the concrete hole is a manhole or a sewer line.
KR1020150027611A 2015-02-26 2015-02-26 Assembly type hole repair system KR20160104488A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101879277B1 (en) * 2017-09-26 2018-07-17 나정환 An reinforcement method for repair of underground structures
KR102681013B1 (en) * 2023-10-10 2024-07-04 한복규 Pipe internal wall repair device using anchor unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060071501A (en) 2004-12-22 2006-06-27 주식회사 나스텍엔지니어링 Repair, reinforcement method of manhole using glass-fiber reinforced plastics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060071501A (en) 2004-12-22 2006-06-27 주식회사 나스텍엔지니어링 Repair, reinforcement method of manhole using glass-fiber reinforced plastics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101879277B1 (en) * 2017-09-26 2018-07-17 나정환 An reinforcement method for repair of underground structures
KR102681013B1 (en) * 2023-10-10 2024-07-04 한복규 Pipe internal wall repair device using anchor unit

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