KR101613466B1 - Concrete pipe structural repair reinforcement construction method and structure constructed by the same - Google Patents

Concrete pipe structural repair reinforcement construction method and structure constructed by the same Download PDF

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Publication number
KR101613466B1
KR101613466B1 KR1020150090186A KR20150090186A KR101613466B1 KR 101613466 B1 KR101613466 B1 KR 101613466B1 KR 1020150090186 A KR1020150090186 A KR 1020150090186A KR 20150090186 A KR20150090186 A KR 20150090186A KR 101613466 B1 KR101613466 B1 KR 101613466B1
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KR
South Korea
Prior art keywords
member
mortar
surface
longitudinal direction
portion
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KR1020150090186A
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Korean (ko)
Inventor
이성식
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이성식
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Publication of KR101613466B1 publication Critical patent/KR101613466B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/164Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing fluid being introduced in the pipe

Abstract

The present invention provides a method of manufacturing a corrugated steel plate, comprising the steps of: preparing a corrugated steel plate having a steel-mortar coupling unit protruding from a back surface and having an inspection window; Installing a corrugated steel plate on the surface to be refurbished so that a mortar filled space is provided between the surface to be refurbished and the surface to be refurbished and the steel-mortar combination unit is located; Filling a mortar filled space with mortar to form a mortar layer having a steel-mortar bonded unit embedded therein; And a step of checking the charged state of the mortar through the inspection window of the corrugated steel plate, and a structure constructed by this method is provided.

Description

TECHNICAL FIELD [0001] The present invention relates to a concrete pipe repairing and reinforcing method using a corrugated steel plate, and a concrete pipe construction repairing method using a corrugated steel plate,

The present invention relates to repair and reinforcement techniques used to ensure the structural stability of predominantly aged concrete conduits.

Various concrete structures including precast concrete (PC) conduits used for culverts, sewer pipes, etc., have been used for a long period of time due to quality problems, neglected management, mechanical, physical and chemical effects, The lifetime is rapidly shortened due to the deterioration phenomenon caused by the heat.

According to the deterioration phenomenon of the concrete, cracks are generated in the concrete structure, and the generated cracks penetrate into the inside from the side of the concrete structure to promote detachment and detachment of the concrete, which eventually leads to reduction of the section of the concrete structure, Thereby lowering the load-bearing capacity.

Concrete structures with poor structural stability due to low load bearing capacity are repaired and reinforced for the purpose of extending service life.

In the previous concrete structure repair and reinforcement method, most parts of the concrete structure are worn or torn to be repaired or reinforced, that is, the parts to be repaired or reinforced are filled with mortar, To increase the cross-sectional area. Therefore, there is a problem that an excellent load-carrying effect can not be generally expected.

Therefore, it is urgently required to develop a concrete structure repairing and reinforcing technology that can achieve a more simple and quick construction while still providing improved structural stability.

Embodiments of the present invention have an object to provide a repairing and reinforcing method, a repairing and reinforcing structure, and the like for a concrete structure (including a concrete conduit) which is advantageous in terms of improvement in workability and structural stability.

The problems to be solved are not limited thereto, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

According to the embodiment of the present invention, the mortar filling space is formed between the surface to be refurbished in the concrete conduit (at least one of at least one of the ceiling surface, the inner wall surface, and the bottom surface of the concrete conduit) Providing a corrugated steel plate (finishing member) having a corrugation continuous to the surface to be reinforced; And filling the mortar filled space with mortar to form a corrugated layer having a corrugated shape corresponding to the corrugated steel plate and structurally combined with the corrugated steel plate.

The position fixing unit is used in the step of installing the corrugated steel plate, and the position fixing unit includes a first end in the longitudinal direction fixed to the repair-reinforcement object and a second end in the longitudinal direction provided with the first screw along the longitudinal direction. A fixing member having a second end; A first end portion in the longitudinal direction provided with a second thread portion mating with the first screw portion of the fixing member and a second end portion in the longitudinal direction coupled to the corrugated steel plate so as to be rotatable about the axis of the second screw portion Wherein the step of installing the corrugated steel sheet comprises the steps of fixing the first end of the fixing member to the repair-reinforcing object and rotating the second end of the movable member in a rotatable manner ; After the first screw portion of the fixing member fixed to the repair-reinforcement object and the second screw portion of the movable member coupled to the corrugated steel plate are screwed together, the movable member is rotated, And adjusting the spacing of the light emitting diode.

The method of repairing and reinforcing concrete conduits according to an embodiment of the present invention may further include the step of providing a reinforcing member (wire mesh) in the mortar filling space before the step of forming the mortar layer, Members can be buried.

The reinforcing member may be disposed such that the reinforcing member is embedded between the neighboring line work zone mortar layer and the post work zone mortar layer in the adjacent repair mortar layer in the repair-enhancing construction zone .

The method of repairing and reinforcing concrete conduits according to an embodiment of the present invention may further include preparing a corrugated steel plate protruding from the back surface of the steel-mortar coupling unit as the corrugated steel sheet before the step of installing the corrugated steel plate, The mortar layer may be embedded with the steel-mortar combination unit.

The method of repairing and reinforcing a concrete pipe according to an embodiment of the present invention includes the steps of preparing a corrugated steel plate having an inspection window as the corrugated steel sheet prior to the step of installing the corrugated steel sheet; And inspecting the mortar charged state of the mortar filled space through a check window provided on the corrugated steel plate.

The method of repairing and reinforcing concrete conduits according to an embodiment of the present invention may further include the step of installing a connection pipe inserted into a connection pipe connected to the concrete conduit on the corrugated steel plate provided before the step of forming the mortar layer have.

The method of repairing and reinforcing a concrete pipe according to an embodiment of the present invention is characterized in that before the step of forming the mortar layer, an extension hose for guiding the number of hoses from the water hose out of the mortar filling space to the hose introduced into the concrete conduit And a step of connecting the plurality of terminals.

According to an embodiment of the present invention, there is provided a method of manufacturing a corrugated steel sheet, comprising the steps of: preparing a corrugated steel plate having a steel- A mortar filling space is provided between the surface to be refurbished and reinforced in the concrete conduit (at least any one or all of at least one of the ceiling surface of the concrete conduit, the inner wall surface, or the bottom surface) - installing the corrugated steel plate on the surface to be reinforced and installing a wire mesh between the corrugated surface and the corrugated steel plate; Filling the mortar filled space with mortar to form a mortar layer having the steel-mortar coupling unit and the wire mesh embedded therein; Checking the mortar charged state through the inspection window; And connecting the extension hose to the number hose introduced into the concrete conduit before the formation of the mortar layer to guide the number of hoses from the hose to the outside of the mortar filled space, A male screw member mounted on a back surface of the corrugated steel plate; And a bending member screwed to the male screw member and having at least one bent structure. In the step of installing the corrugated steel plate and the wire mesh, a first end portion in the longitudinal direction of the fixation member is fixed to the repair- A fixing member having a second end portion in the longitudinal direction provided with a female thread portion along the longitudinal direction; A movable member having a first end in a longitudinal direction and a second end in the longitudinal direction coupled to the corrugated steel plate so as to be rotatable about an axis of the male screw portion, ; Two support members disposed opposite to each other with the wire mesh therebetween and having a hole through which the threaded portion of the movable member supports the wire mesh on both sides thereof; And a restraining member that is screwed to the male threaded portion of the movable member on both sides of the two support members to hold the wire mesh in a state where the two support members support the wire mesh, The step of installing the steel sheet and the wire mesh includes the steps of: fixing the first end of the fixing member to the repair-reinforcement object; Rotatably coupling the second end of the movable member to the corrugated steel plate and then supporting the wire mesh on the movable member using the two support members and the restraint member; Reinforcing object, a male screw portion of the movable member coupled with the corrugated steel plate and supporting the wire mesh is screwed to the female screw portion of the fixing member fixed to the repair-reinforcing object, and then the movable member is rotated, And a step of adjusting the distance between the corrugated steel plates, may be provided.

According to an embodiment of the present invention, there is provided a method of manufacturing a concrete pipe, comprising: a finishing member arranged to face a surface to be reinforced in a concrete conduit with a gap therebetween and forming a mortar filled space therebetween; At least one position fixing unit for fixing the position of the closing member with respect to the surface to be refurbished; And a mortar layer filled in the mortar filling space, wherein the finishing member is a corrugated steel plate having continuous corrugations, the corrugated layer having corrugations corresponding to the corrugated steel sheet, the corrugated steel sheet and the mortar layer A structure for repairing and reinforcing a concrete conduit, which is structurally coupled to each other, can be provided.

Wherein the position fixing unit includes: a fixing member having a first end in the longitudinal direction fixed to the repair-object and a second end in the longitudinal direction having the first screw portion along the longitudinal direction; A first end portion in the longitudinal direction provided with a second thread portion mating with the first screw portion of the fixing member and a second end portion in the longitudinal direction coupled to the corrugated steel plate so as to be rotatable about the axis of the second screw portion The movable member may include a movable member.

The fixing member includes an anchor head and an anchor sleeve, wherein the anchor head is provided with a tapered portion at its outer periphery, and the anchor sleeve has, at one side in the longitudinal direction constituting the first end of the fixing member, And an inner thread constituting the first screw portion of the fixing member may be formed on the inner circumference of the other end portion in the longitudinal direction constituting the second end portion of the fixing member .

Wherein the movable member includes a bolt body having a coupling bolt and a coupling nut, wherein the coupling bolt has a male thread forming a first end of the movable member and forming a second threaded portion of the movable member on an outer periphery thereof; And a bolt head constituting a second end of the movable member, the bolt body being threaded through the corrugated steel plate and screwed into a first threaded portion of the fixing member which is a threaded pair, So that the corrugated steel sheet intervenes between the bolt body and the bolt body.

The structure according to an embodiment of the present invention may further include at least one steel-mortar coupling unit protruding from the back surface of the corrugated steel plate and buried in the mortar layer.

The steel-mortar connection unit comprises: a protruding member which is erected on the back surface of the corrugated steel plate and has a first threaded portion provided along the longitudinal direction at the front end; And a bending member having a second threaded portion that is threadedly coupled to the first threaded portion of the protruded member and having at least one or more bent structures.

According to an embodiment of the present invention, there is provided a method of manufacturing a concrete pipe, comprising: a finishing member arranged to face a surface to be reinforced in a concrete conduit with a gap therebetween and forming a mortar filled space therebetween; At least one position fixing unit for fixing the position of the closing member with respect to the surface to be refurbished; And a mortar layer filled in the mortar filling space, wherein the position fixing unit includes a first end portion in one longitudinal direction fixed to the repair-reinforcing object and a second end portion in the longitudinal direction in which the first screw portion is provided along the longitudinal direction, A fixing member having two ends; A first end portion in the longitudinal direction provided with a second thread portion mating with the first screw portion of the fixing member and a second end portion in the longitudinal direction coupled to the corrugated steel plate so as to be rotatable about the axis of the second screw portion A structure for repairing and reinforcing the concrete conduit can be provided.

According to an embodiment of the present invention, there is provided a method of manufacturing a concrete pipe, comprising: a finishing member arranged to face a surface to be reinforced in a concrete conduit with a gap therebetween and forming a mortar filled space therebetween; A reinforcing member disposed in the mortar filled space; At least one position fixing unit for fixing the position of the closing member and the position of the reinforcing member with respect to the surface to be repair-reinforced; And a mortar layer filled in the mortar filling space, wherein the position fixing unit includes a first end portion in one longitudinal direction fixed to the repair-reinforcing object and a second end portion in the longitudinal direction in which the first screw portion is provided along the longitudinal direction, A fixing member having two ends; And a second thread portion mating with the first thread portion of the fixing member, a first end portion in the longitudinal direction passing through the reinforcing member, and a second end portion extending in the length direction coupled to the finishing member so as to be rotatable about the axis of the second thread portion A movable member having a second end on the other side thereof; Two supporting members arranged to face each other with the reinforcing member therebetween and in which the reinforcing member is supported on both sides and the second threaded portion of the movable member penetrates; And a restraining member screwed to the second threaded portion of the movable member at both sides with respect to the two supporting members to hold the two supporting members in a state of supporting the reinforcing member. A structure may be provided.

According to an embodiment of the present invention, there is provided a method of manufacturing a concrete pipe, comprising the steps of: forming a mortar filling space between the surface to be refurbished and a surface of the concrete conduit, A mortar layer filled in the mortar filled space; And at least one steel-mortar coupling unit protruding from the back surface of the closure member and embedded in the mortar layer, wherein the steel-mortar coupling unit is formed on the back surface of the closure member, A projection member having a threaded portion; A structure for repairing and reinforcing the concrete conduit may be provided, which includes a bending member having a second threaded portion that is screwed with the first threaded portion of the projecting member and has at least one bent structure.

According to the embodiment of the present invention, a corrugated steel plate is disposed so as to be opposed to a surface to be reinforced in a concrete conduit with a gap therebetween to provide a mortar filling space between the surface to be refurbished and the surface to be reinforced; A wire mesh disposed in the mortar filling space; At least one position fixing unit for fixing the position of the corrugated steel sheet to the surface to be refurbished and the position of the wire mesh; A mortar layer filled in the mortar filled space; And at least one steel-mortar coupling unit protruding from the back surface of the corrugated steel sheet and buried in the mortar layer, wherein the position fixing unit includes a first end in the longitudinal direction and a first end in the longitudinal direction fixed to the repair- A fixing member having a second end in the longitudinal direction provided with an internal thread portion along the longitudinal direction; A movable member having a first end in the longitudinal direction and a second end in the longitudinal direction that is rotatably coupled to the corrugated steel plate, the second end having a male screw portion screwed with the female threaded portion of the fixing member; Two support members disposed opposite to each other with the wire mesh therebetween, the support members supporting the wire mesh on both sides of the wire mesh, the support member having the movable member inserted therein; And a restraining member screwed to the male threaded portion of the movable member on both sides of the two support members to hold the wire mesh in a state in which the two support members support the wire mesh, A male screw member mounted on a back surface of the corrugated steel plate; A structure for repairing and reinforcing the concrete conduit may be provided, which includes a bending member screwed with the male screw member and having at least one bent structure.

Means for solving the problems will be more specifically and clarified through the embodiments, drawings, and the like described below. In addition, various solution means other than the above-mentioned solution means may be further proposed.

According to the embodiment of the present invention, the structural and further stability is provided due to the material and the shape characteristic of the corrugated steel sheet.

According to the wire mesh, the mortar layer can be reinforced and the joint between the mortar layers can be strengthened by structurally connecting the mortar layer of the pre-work zone with the post mortar layer.

According to the position fixing unit, the position of the corrugated steel sheet and the position of the wire mesh can be fixed to the repair-reinforcing object. In addition, when the movable member is rotated, the interval between the corrugated steel plate and the surface to be reinforced is adjusted by separating or approaching the corrugated steel sheet from the surface to be polished and reinforced. Therefore, It is possible to prevent a phenomenon in which the thickness is formed to be equal to or less than the set thickness.

The buoyancy prevention effect by the mortar injected into the mortar filling space can be assured due to the fact that the position of the corrugated steel plate is fixed by the position fixing unit.

Since the position fixing unit is embedded in the mortar layer together with the steel-mortar coupling unit, the adhesion strength between the object to be reinforced and the mortar layer and between the corrugated steel sheet and the mortar layer can be greatly improved.

It is possible to adjust the position of the bending member of the steel-mortar coupling unit, so that it can flexibly cope with the operating conditions.

1 is a sectional view showing a concrete conduit (concrete structure) to which a repair and reinforcement method according to an embodiment of the present invention is applied.
FIG. 2 is an enlarged view showing a part of the repairing and reinforcing structure constructed in the concrete conduit (concrete structure) of FIG. 1; FIG.
3 to 8 are cross-sectional views illustrating steps of a repair and reinforcement method according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. For a better understanding of the invention, it is to be understood that the size of elements and the thickness of lines may be exaggerated for clarity of understanding. Further, the terms used to describe the embodiments of the present invention are mainly defined in consideration of the functions of the present invention, and thus may be changed depending on the intentions and customs of the user and the operator. Therefore, the terminology should be interpreted based on the contents of the present specification throughout.

The present invention is applicable to the same or similar irrespective of kinds in repairing and reinforcing various concrete structures including concrete conduits used in a cave, a sewer, etc. However, the embodiment of the present invention is applicable to a concrete conduit used as a sewer Let's look at the center of things.

FIG. 1 shows a concrete conduit which is repaired and reinforced by a repair and reinforcement method according to an embodiment of the present invention.

In FIG. 1, reference numeral 10 (10a, 10b, 10c) denotes a concrete conduit, 10a denotes a box concrete conduit, 10b denotes a horseshoe concrete conduit, and 10c denotes a circular concrete conduit.

In the repairing and reinforcing method according to the embodiment of the present invention, the ceiling of the concrete conduit 10, the left and right inner wall surfaces, and the bottom surface may be the surface to be repair-reinforced (front maintenance and reinforcement) The surface (or bottom surface) and the left and right inner wall surfaces may be the surface to be repair-reinforced (repair / reinforcement on the third surface), and one or both of the ceiling surface, left and right inner wall surfaces, It can also be a surface (one side, two sides are complemented and reinforced).

Fig. 2 shows a portion of the repair and reinforcement structure constructed in the concrete conduit 10 of Fig.

Referring to FIGS. 1 and 2, the repair and reinforcement structure constructed by the repair and reinforcement method according to the embodiment of the present invention is disposed so as to face the surface to be refurbished in the concrete conduit 10 with a predetermined gap A corrugated steel plate 100 as a finishing member for providing a mortar filled space 40 between the surface to be remodeled and reinforced and a mortar filling space 40 to be positioned between the surface to be refurbished and the corrugated steel plate 100, A wire mesh 200 as a reinforcing member disposed on the surface of the wire mesh 200, at least one position fixing unit 300 for fixing the position of the corrugated steel plate 100 to the surface to be refurbished and the position of the wire mesh 200, A mortar layer 400 filled in the mortar filling space 40 and containing the wire mesh 200, at least one steel-mortar coupling unit 400 protruding from the back surface of the corrugated steel sheet 100 and embedded in the mortar layer 400, (500), a corrugated steel plate (100) A single or a plurality of check windows 600 provided in the concrete conduit 10 and a conventional number hose 30 introduced into the concrete conduit 10 to guide the number of hoses 30 from the existing hose 30 to the outside of the mortar filling space 40 And a connecting pipe 810 inserted into the connecting pipe 20 connected to the concrete pipe 10 in a state of being penetrated through the corrugated steel plate 100.

The repair and reinforcement method according to the embodiment of the present invention proceeds as follows. Hereinafter, the repair and reinforcement method according to an embodiment of the present invention will be described with reference to FIGS. 3 to 8. FIG.

Setting the work area

A work section is set in the entire maintenance-reinforcement construction section where maintenance and reinforcement are required in the piping composed of the concrete conduit 10. The work section can be a section of a length that can be constructed at one time. For reference, the reference numerals A1 and A2 are neighboring work sections, and when construction for the work section of A1 is completed, work for the work section A2 of the next work section is performed. Accordingly, A1 is a line work section and A2 is a post-work section.

Maintenance - The surface of the surface to be reinforced

As described above, the repair-reinforcing surface may be at least one of a ceiling surface of the concrete conduit 10, left and right inner wall surfaces, and bottom surface.

Maintenance - Remove foreign substances from the surface to be reinforced by using a grinder, a brush, or the like. Further, when there is a deteriorated part on the surface to be repair-reinforced, the deteriorated part is removed by chipping until good concrete appears. In addition, if necessary, rustproofing work may be carried out.

Finally, the surface of the repair-reinforcement surface is cleaned, for example, by removing dust on the surface to be repair-reinforced by using an air gun or the like. You can also clean the water.

Preparation of corrugated steel sheet (100)

The corrugated steel plate 100 protruding from the back surface and having the inspection window 600 is prepared.

3, the steel-mortar coupling unit 500 is formed by screwing the male screw member 510 and the male screw member 510, which are erected on the back surface of the corrugated steel sheet 100, in the longitudinal direction of the male screw member 510 And a bendable member 520 which can be moved along the bending direction. The bending member 520 has at least one bent structure. The head of the male screw member 510 can be welded to the corrugated steel plate 100.

The inspection window 600 includes a transparent or translucent shield plate 610 for shielding the inspection opening provided in the corrugated steel plate 100 and a lid 610 for fastening the edge of the shield plate 610 to the corrugated steel plate 100 in close contact with each other. Plate 620 as shown in FIG. The shield plate 610 and the cover plate 620 are fastened to the corrugated steel plate 100 by a rivet. The riveted part can be sealed with a sealant to provide a clearance.

The installation of the corrugated steel sheet 100 and the wire mesh 200

The position fixing unit 300 is used to install the corrugated steel plate 100 and the wire mesh 200. The position fixing unit 300 includes a fixing member 310, a movable member 320, two support members 330, and a restraining member 340. This will be described with reference to FIGS. 4 and 5. FIG.

The fixing member 310 has a first end portion 310A on one side in the longitudinal direction and a second end portion 310A on the other side in the longitudinal direction provided with the internal thread 315 along the longitudinal direction. The fixing member 310 includes an anchor head 311 and an anchor sleeve 313.

The anchor head 311 is provided with a taper 312 on its outer periphery and has a structure in which the outer periphery gradually expands toward the front end.

The anchor sleeve 313 is formed such that the outer periphery of the anchor head 311 is expanded by the tapered portion 312 of the anchor head 311 when the anchor head 311 enters one of the longitudinal direction constituting the first end portion 310A of the fixing member 310 And a female screw 315 is provided on the inner circumference of the other longitudinal end portion constituting the second end portion 310B of the fixing member 310. [ The extension 314 is provided with a cutout, so that the extension 314 can be easily extended by the anchor head 311.

The movable member 320 includes a first end portion 320A on one side in the longitudinal direction provided with a male screw portion 323 to be screwed with the female threaded portion 315 of the fixing member 310 and a first end portion 320B on the corrugated steel plate 100, And a second end portion 320B on the other side in the longitudinal direction that is rotatably coupled about the axis. The movable member 320 includes a coupling bolt 321 and a coupling nut 325.

The coupling bolt 321 constitutes the first end portion 320A of the movable member 320 and includes a bolt body 322 provided with a male screw 323 on the outer periphery and a second end portion 320B of the movable member 320 And constitutes a bolt head 324. The bolt body 322 passes through the corrugated steel plate 100 and is screwed to the female screw 315 of the fixing member 310. [

The engaging nut 325 is screwed to the bolt body 322 so that the corrugated steel plate 100 intervenes between the bolt head 324 and the bolt head 324.

The two support members 330 are arranged to face each other with the wire mesh 200 interposed therebetween to support the wire mesh 200 on both sides. The two support members 330 have holes through which the bolt body 322 having the male screw 323 of the movable member 320 passes.

The restraint member 340 is screwed to the bolt body 322 having the male thread 323 of the movable member 320 on both sides with respect to the two support members 330 so that the two support members 330 are engaged with the wire mesh 200 As shown in Fig.

The step of installing the corrugated steel plate 100 and the wire mesh 200 using the position fixing unit 300 includes the steps of fixing the first end 310A of the fixing member 310 to the repair and reinforcement object, The second end portion 320B of the movable member 320 is rotatably coupled to the movable member 320 by using the two support members 330 and the restricting member 340, And the male screw 323 of the movable member 320 coupled to the corrugated steel plate 100 and supported by the wire mesh 200 is screwed to the female screw 315 of the fixing member 310 fixed to the repair- And then rotating the movable member 320 to adjust the distance between the surface to be reinforced and the corrugated steel plate 100. [

The wire mesh 200 is disposed so as to be embedded between adjacent mortar layers between the mortar layer of the neighboring line work section A1 (see A1) and the mortar layer of the post-work section A2 . Then, the bonding force between the mortar layer of the pre-work zone (see A1) and the mortar layer of the post-work zone (see A2) can be greatly increased.

The corrugated steel plate 100 and the wire mesh 200 are formed to have a size that can be inserted into the concrete conduit 10 through a manhole connected to the concrete conduit 10. When a plurality of corrugated steel sheets 100 are used, corrugated steel sheets 100 are connected to each other by rivets. The position fixing unit 300 is positioned on the edge side of the corrugated steel plate 100 in order to improve the assemblability.

Connection of new number hose (710)

6, after a new water hose 710 is connected to a conventional water hose 30 introduced into a concrete conduit 10 using a connector 720, a new water hose 710 is connected to the corrugated steel plate 100 So that the outlet of the new-quantity hose 710 is exposed to the outside of the mortar filling space 40.

Installation of connecting pipes

Referring to Fig. 7, an opening (connection opening) is formed in the corrugated steel sheet 100 at the portion corresponding to the connecting pipe 20 by a cutting operation.

The connecting pipe is composed of a pipe body 810 and a flange 820.

One end of the tube body 810 is inserted into the connecting tube 20 through the formed opening and the other end of the tube body 810 is positioned on the opening side. Thereafter, a sealing material is used to cut off the connection pipe 20 and the pipe body 810.

Next, the flange 820 is welded to the other end of the pipe body 810, and the flange 820 is fastened to the corrugated steel plate 100 with a rivet. Preferably, the flange 820 is formed to have a corrugated shape corresponding to the corrugated steel sheet 100.

Formation of the mortar layer 400

The sealing material is used to fill the gap in the mortar filling space 40. As the sealing material, mortar can be used. Although not shown, a mortar injection tube is embedded in one of the sealing portions.

Charge the mortar with filling mortar using a mortar injection tube. When the filling of the mortar is completed, a wire mesh 200 and a mortar layer 500 embedded in the mortar layer 100 and the mortar layer 100 structurally coupled to the corrugated steel plate 100 are sandwiched between the surface of the repair- 400 are formed.

Whether or not the mortar is completely charged can be confirmed through the inspection window 600.

As the mortar, it is preferable to apply non-shrink mortar having excellent flow (high flowability) and high strength (high strength) after injection into the mortar filling space.

In the repair / reinforcement structure constructed by the repair and reinforcement method according to the embodiment of the present invention, the corrugated steel plate 100 is made of steel having the material characteristics of steel and the shape characteristics (corrugated shape having wrinkles) ≪ / RTI > superior properties, etc.).

The wire mesh 200 reinforces the mortar layer 400 and prevents the corrugated steel sheet 100 from being deformed due to the mortar injection pressure.

According to the position fixing unit 300, the position of the corrugated steel plate 100 and the position of the wire mesh 200 can be fixed to the repair-reinforcing object. Further, when the movable member 320 is rotated, the interval between the surface to be reinforced and the corrugated steel plate 100 is adjusted by separating or approaching the corrugated steel plate 100 from the surface to be repaired / reinforced, It is possible to prevent the phenomenon that the thickness of the mortar layer 400 is formed to be equal to or less than the predetermined thickness as the target surface is irregular.

The buoyancy preventing effect by the mortar injected into the mortar filled space can be assured because the position of the corrugated steel plate 100 is fixed by the position fixing unit 300 at the front maintenance.

Since the position fixing unit 300 is buried in the mortar layer 400 together with the steel-mortar coupling unit 500, the adhesion between the object to be reinforced and the mortar layer 400 and the corrugated steel sheet 100 and the mortar layer 400 The strength can be greatly improved.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

Further, the technical ideas described in the embodiments of the present invention may be performed independently of each other, or two or more may be implemented in combination with each other.

10: Concrete conduit (concrete structure)
100: corrugated steel plate (finishing member)
200: wire mesh (reinforcing member)
300: Position fixing unit
400: Mortar layer
500: Steel-mortar combination unit
600: Check window

Claims (19)

  1. Preparing a finishing member having a steel-mortar coupling unit protruding from the rear surface and having an inspection window;
    A step of installing the closure member on the surface of the repair-object to be reinforced so that a mortar filled space is formed between the surface of the concrete pipe and the repair-reinforcing object surface, and the steel-mortar coupling unit is disposed;
    Filling the mortar filled space with mortar to form a mortar layer;
    Checking the charged state of the mortar with respect to the mortar filled space through the inspection window;
    Wherein a reinforcing member is provided in the mortar filling space before the step of forming the mortar layer, wherein the reinforcement member is disposed between the mutually adjacent line work zone mortar layer and the post work zone mortar layer in the repair- At a position buried over the mortar layer;
    Prior to the formation of the mortar layer, connecting an extension hose to the number hose to guide the number of hoses from the hose introduced into the concrete conduit out of the mortar filled space and passing the extension hose through the closure;
    A connection opening is formed in a portion corresponding to a connection pipe connected to the concrete conduit in a finishing member provided on the surface of the repair-reinforcing object before the formation of the mortar layer, and a connection opening is formed in the connection pipe through the connection opening The other end of the connection pipe main body is positioned at the connection opening side and the sealing pipe is interposed between the connection pipe main body and the connection pipe main body and then the flange is joined to the other end of the connection pipe main body And fastening the flange to the closure member,
    The steel-mortar connection unit includes: a protruding member having a first thread portion provided on a back surface of the closing member and provided along a longitudinal direction; And a bending member having a second threaded portion screwed with the first threaded portion so as to be movable along the longitudinal direction of the first threaded portion and having at least one or more bent structures,
    The bending depth of the bending member relative to the mortar layer is determined according to a position shifted along the longitudinal direction of the first screw portion,
    Wherein the closing member and the reinforcing member are installed together by a position fixing unit,
    Wherein the position fixing unit includes: a fixing member having a first end in a longitudinal direction fixed to the repair-object, and a second end in a longitudinal direction having a female threaded portion along the longitudinal direction; A first end portion in the longitudinal direction passing through the reinforcing member and a second end portion in the longitudinal direction coupled to the finishing member so as to be rotatable about the axis of the male thread portion, ; Two supporting members arranged to face each other with the reinforcing member therebetween and supported on both sides of the reinforcing member and through which the male screw portion penetrates; And a restraining member screwed to the male threaded portions on both sides of the two support members to hold the reinforcement member in a state of being supported by the two support members,
    Wherein the movable member includes an engagement bolt and a coupling nut,
    Wherein the coupling bolt includes: a bolt body having a male screw that constitutes the first end of the movable member and constitutes the male screw portion; Wherein the bolt head is screwed with the female threaded portion through the closing member so that the bolt head is located on the surface side of the closing member,
    Wherein the coupling nut is screwed to the bolt body such that the closing member intervenes between the bolt head and the bolt head,
    The step of installing the closing member and the reinforcing member may include the steps of fixing the first end of the fixing member to the repair-reinforcing object; The bolt body of the coupling bolt is passed through the closing member and the coupling nut is screwed to the bolt body passed through the closing member to rotatably couple the second end of the moving member to the closing member, Supporting the reinforcing member on the bolt body using a member and the restraining member; Reinforcing member and the bolt body supported by the reinforcing member are screwed to each other to dispose the finishing member on the surface of the repair-enhancing object surface, To-be-reinforced surface by rotating the bolt head of the repair-enhancing surface and moving the finishing member in the forward-backward direction with respect to the surface to be refurbished,
    Repair and Reinforcement of Concrete Pipes.
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  11. A finishing member which forms a mortar filled space between itself and the surface to be repaired and reinforced with a gap therebetween at an interval from the surface to be repair-reinforced in the concrete conduit and has a connection opening at a portion corresponding to the connection pipe connected to the concrete conduit;
    A reinforcing member disposed in the mortar filling space;
    At least one position fixing unit for fixing the position of the closing member and the position of the reinforcing member together with respect to the surface for repair-reinforcement;
    At least one steel-mortar coupling unit protruding from the rear surface of the finishing member toward the surface to be refurbished and reinforced and located in the mortar filling space;
    An extension hose connected to the water hose introduced into the concrete conduit and penetrating the closure member to guide the water from the water hose out of the mortar filling space;
    A connection pipe body having one end portion inserted into the connection pipe and the other end portion disposed on the connection opening side; a flange joined to the other end portion of the connection pipe main body and fastened to the closing member; A sealing member for blocking a space between the main bodies;
    And a mortar layer filled in the mortar filling space,
    Wherein the finishing member is provided with a single or a plurality of check windows for checking the filling state of the mortar layer,
    Wherein the reinforcing member is disposed at a position between the neighboring line work zone mortar layer and the post work zone mortar layer between adjacent neighboring mortar layers in the entire maintenance-
    Wherein the position fixing unit includes: a fixing member having a first end in a longitudinal direction fixed to the repair-object, and a second end in a longitudinal direction provided with a female threaded portion along the longitudinal direction; A first end portion in a longitudinal direction passing through the reinforcing member and a second end portion in the longitudinal direction coupled to the finishing member so as to be rotatable about an axis of the male thread portion, ; Two supporting members arranged to face each other with the reinforcing member therebetween and which support the reinforcing member on both sides and the male screw portion is penetrated; And a restraining member screwed to the male threaded portions on both sides of the two support members to hold the reinforcement member in a state of being supported by the two support members,
    Wherein the movable member includes an engagement bolt and a coupling nut,
    Wherein the coupling bolt includes: a bolt body having a male screw that constitutes the first end of the movable member and constitutes the male screw portion; Wherein the bolt head is screwed with the female threaded portion through the closing member so that the bolt head is located on the surface side of the closing member,
    Wherein the coupling nut is screwed to the bolt body such that the closing member intervenes between the bolt head and the bolt head,
    When the bolt head of the coupling bolt is rotated, the interval between the surface to be reinforced and the finishing member is adjusted by moving the finishing member in the forward and backward directions with respect to the surface to be repair-
    The steel-mortar coupling unit comprises: a protruding member having a first thread portion provided on a back surface of the closing member and provided along a longitudinal direction; And a bending member having a second threaded portion screwed with the first threaded portion so as to be movable along the longitudinal direction of the first threaded portion and having at least one or more bent structures,
    Wherein the bending member has a depth of buried depth with respect to the mortar layer according to a position shifted along the longitudinal direction of the first screw portion,
    Structures for maintenance and reinforcement of concrete conduits.
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  13. The method of claim 11,
    Wherein the fixing member includes an anchor head and an anchor sleeve,
    Wherein the anchor head is provided with a tapered portion on its outer periphery,
    Wherein the anchor sleeve is provided with an extension portion extending in an outer periphery thereof by a tapered portion of the anchor head when the anchor head enters the one of the longitudinal direction constituting the first end portion of the fixing member, And the female thread constituting the first threaded portion of the fixing member is formed on the inner periphery of the other end portion in the longitudinal direction,
    Structures for maintenance and reinforcement of concrete conduits.
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KR1020150090186A 2015-06-25 2015-06-25 Concrete pipe structural repair reinforcement construction method and structure constructed by the same KR101613466B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101816747B1 (en) * 2017-05-08 2018-01-09 주식회사 씨알디 Underground Concrete Structure Reinforced With Ultra High Strength Concrete And Sheet Water Proofing And Constructing Methed therof
KR101879277B1 (en) * 2017-09-26 2018-07-17 나정환 An reinforcement method for repair of underground structures
KR101879275B1 (en) * 2017-09-26 2018-07-17 나정환 The reinforcement device for repair of underground structures
KR101957100B1 (en) * 2018-06-22 2019-06-24 임채균 method of reinforcing underground used pipeline with complex meshes and attaching pins
KR20200004106A (en) * 2018-07-03 2020-01-13 (주) 캐어콘 Reinforcement member and construction method to reinforce concrete box

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000225646A (en) * 1999-02-08 2000-08-15 All:Kk Lining material for flow path facility and technique for regeneration of flow path facility
JP2003096751A (en) * 2001-09-27 2003-04-03 Kurimoto Ltd Method for repairing existing water way and its structure
KR100642086B1 (en) * 2005-08-04 2006-10-27 (주) 캐어콘 Anchor system of carbon fibre grid for reinforcing concrete structures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000225646A (en) * 1999-02-08 2000-08-15 All:Kk Lining material for flow path facility and technique for regeneration of flow path facility
JP2003096751A (en) * 2001-09-27 2003-04-03 Kurimoto Ltd Method for repairing existing water way and its structure
KR100642086B1 (en) * 2005-08-04 2006-10-27 (주) 캐어콘 Anchor system of carbon fibre grid for reinforcing concrete structures

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101816747B1 (en) * 2017-05-08 2018-01-09 주식회사 씨알디 Underground Concrete Structure Reinforced With Ultra High Strength Concrete And Sheet Water Proofing And Constructing Methed therof
KR101879277B1 (en) * 2017-09-26 2018-07-17 나정환 An reinforcement method for repair of underground structures
KR101879275B1 (en) * 2017-09-26 2018-07-17 나정환 The reinforcement device for repair of underground structures
KR101957100B1 (en) * 2018-06-22 2019-06-24 임채균 method of reinforcing underground used pipeline with complex meshes and attaching pins
KR20200004106A (en) * 2018-07-03 2020-01-13 (주) 캐어콘 Reinforcement member and construction method to reinforce concrete box
KR102083378B1 (en) * 2018-07-03 2020-03-02 (주) 캐어콘 Reinforcement member and construction method to reinforce concrete box

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