KR101584086B1 - Removable leak-proof apparatus for expansion-contraction joint of bridge using a permanent magnet - Google Patents

Removable leak-proof apparatus for expansion-contraction joint of bridge using a permanent magnet Download PDF

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Publication number
KR101584086B1
KR101584086B1 KR1020150110958A KR20150110958A KR101584086B1 KR 101584086 B1 KR101584086 B1 KR 101584086B1 KR 1020150110958 A KR1020150110958 A KR 1020150110958A KR 20150110958 A KR20150110958 A KR 20150110958A KR 101584086 B1 KR101584086 B1 KR 101584086B1
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KR
South Korea
Prior art keywords
concrete slab
permanent magnet
disposed
metal plate
attached
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KR1020150110958A
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Korean (ko)
Inventor
허종운
정진병
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시설건설(주)
허종운
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Priority to KR1020150110958A priority Critical patent/KR101584086B1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The present invention relates to a detachable water leak-proof apparatus for an expansion joint of a bridge using a permanent magnet. The detachable water leak-proof apparatus for an expansion joint of a bridge using a permanent magnet comprises: a bridge deck assembly (100) which includes a first concrete slab (111) arranged on the top of a first box girder (110) and a second concrete slab (121) arranged on the top of a second box girder (120) adjacent to the first box girder (110); multiple support units (200) which are installed along the bottom edges of the first and second concrete slabs (111, 121); multiple permanent magnets (900) which are bolted to the support units (200) at regular intervals; a discharge guide unit (300) which is arranged under an expansion joint (130) for connecting the first and second concrete slabs (111, 121) to each other and forms an inner flow path; and a metal plate (400) of which the bottom is bolted to the other end of the discharge guide unit (300) and the top is attached to the permanent magnets (900). Thus, the present invention facilitates cleaning, improves cost-efficiency, and improves the convenience of maintenance.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a leakage preventing device for a telescopic bridge of a bridge capable of being detached using a permanent magnet,

More particularly, the present invention relates to a water leakage preventing device for a bridge that can be detached using a permanent magnet, and more particularly, to a water leakage preventing device for preventing the fall of concrete, rainwater, And more particularly, to a leakage preventing device for a telescopic joint of a bridge capable of enhancing the durability of the device.

Generally, the upper plate of the bridge is provided with a stretch joint every predetermined length considering heat shrinkage and thermal expansion.

However, due to various factors such as the accumulation of foreign matter for a long period of time depending on the driving of the vehicle and the movement of the pedestrian, weather condition, or the like, the expansion joint may be damaged due to the impact caused by vehicle traffic, It is exposed to the risk of leakage of water and residues.

In view of the above, various devices for preventing rainfall, foreign matter, concrete remnants, and the like from being discharged in one direction, and for preventing the bridge from dropping to a lower portion of the bridge are known, have.

In the expansion joint device provided between the upper slab 8 and the slab 8 of the bridge (distant flow), Korean Patent No. 10-0707484 (a replacement expansion joint leakage prevention device) A pair of fixed pedestals 10 having a fixing groove 11 on a side surface thereof are embedded and a fixing table 20 is fixed to each of the fixing grooves 11, The both ends of the member 22 are coupled to each other so that the elastic member 22 is installed in a U shape in the flow path between the slab 8 and the slab 8 to prevent leakage of water. In order to solve the problem of the prior art, which has a disadvantage of dismantling and dismantling all of the upper facilities with a narrow space between the lower structure and the oil, Structure, easy maintenance It is also a cost-effective leak-proof device can be completely prevent any leakage of the bridge.

However, according to Korean Patent No. 10-0707484 (a replacement elastic joint leakage preventing apparatus for replacement), when the elastic member 22 is to be replaced due to aging, the elastic member 22 is moved from both ends of the bridge to the fixed base 10 It is easy to replace the old elastic member 22 by pushing it into the fixing groove 11, but when the concrete retention member or other foreign matter is piled up on the elastic member 22, the user can easily check it and remove the concrete remnant or foreign matter It is very inconvenient to restore it.

Therefore, a structure that can easily check the state inside the elastic member 22 and easily restore the original state after cleaning is desperately needed.

Korean Registered Patent No. 10-0707484 (Elastic Joint Leakage Prevention Device for Replacement)

The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to prevent the fall of concrete, rainwater or the like to the lower part of a bridge to prevent corrosion of the steel bridge and supporting device, The safety of pedestrians and vehicles can be protected and one side of the discharge induction unit disposed at the lower portion of the expansion joint device can be detachably attached using a permanent magnet, In case of excessive accumulation, the part attached to the permanent magnet can be easily removed, and the state of the inner part can be easily checked. After the cleaning, the permanent magnet can be attached to the permanent magnet. .

In order to achieve the above object, a water leakage preventing device for a stretch joint of a bridge capable of being attached and detached using the permanent magnet of the present invention comprises a first concrete slab 111 disposed on an upper portion of a first box girder 110, And a second concrete slab 121 disposed on the second box girder 120 adjacent to the first box girder 110 and spaced apart from the first concrete slab 111 by a predetermined distance, (100); The first box girder 110 and the second box girder 120 are spaced apart from the first box girder 110 and the second box girder 120 by a predetermined length along the bottom edges of the first concrete slab 111 and the second concrete slab 121 A plurality of support units (200); A plurality of permanent magnets 900 bolted to the plurality of support units 200 mounted on the bottom surface of the first concrete slab 111 at regular intervals; And one end thereof is bolted to a plurality of support units (200) mounted along a bottom surface edge of the second concrete slab (121) of the plurality of support units (200) with a predetermined length, And an expansion joint 130 connected to the lower portion of the metal plate 400 disposed on the first concrete slab 111 side to connect the first concrete slab 111 and the second concrete slab 121 to each other, A discharge induction unit 300 disposed at a lower portion of the discharge passage 300 to form an internal flow passage; And a metal plate 400 having a lower portion bolted to the other end of the discharge inducing unit 300 and an upper portion attached to the permanent magnet 900, And a locking protrusion 410 is formed so as to be caught and supported by the upper end of the magnet 900.

The surfaces of the plurality of permanent magnets 900 except for the surface to which the metal plate 400 is attached are coated with rubber and a screw thread is formed in the center hole 920 to connect the fastening bolts 910 .

The support unit may include a plurality of first concrete slabs 111 and second concrete slabs 121 disposed along the bottom edge of the first concrete slab 111 and the second concrete slab 121, And second portions 220 and 220 that are bent from the edges of the first and second pieces 210 and 210 and disposed in parallel to each other and facing each other, And a retaining jaw 221 for supporting a lower portion of the permanent magnet 900 bent to the outside of the second piece 220 disposed on the first concrete slab 111 side and bolted to the second piece 220. [ One end of the discharge inducing unit 300 is coupled to the second piece 220 disposed on the second concrete slab 121 side and the other end is coupled to the metal plate 900 attached to the permanent magnet 900 (Not shown).

A plurality of second pieces 220 disposed on the side of the second concrete slab 121 and a plurality of metal plates 400 disposed on the side of the first concrete slab 111 are spaced apart from each other along the longitudinal direction The head part is welded and fixed to the inner surface of the second piece 220 and the metal plate 400 disposed on the second concrete slab 121 side and the body part is fixed to the second concrete slab 121 side Wherein the one end portion and the other end portion of the discharge inducing unit 300 are respectively connected to the second concrete slabs The second part 220 disposed on the side of the metal plate 400 and the fastening bolt 600 exposed on the outer surface of the metal plate 400 may be fixed to the body part of the fastening bolt 600 with the fixing nut 700.

According to the present invention having the above-described configuration, the following effects can be achieved.

First, the present invention prevents dirt and rainwater of concrete from dropping down to the lower part of the bridge by means of the discharge induction unit coupled to the supporting unit mounted on the bridge top plate assembly, thereby preventing corrosion of the steel bridge and supporting device, So that the safety of the pedestrian and the vehicle can be protected.

Best Mode for Carrying Out the Invention In the present invention, the discharge inducing unit is simply and detachably coupled to the supporting unit using the permanent magnet, so that if the soil or foreign matter is excessively accumulated in the internal flow path formed by the discharge inducing unit, The unit can be easily separated from the supporting unit to be cleaned, and the unit can be reused by attaching it to the permanent magnet, so that the unit can be easily cleaned, is not only cost effective but also easy to maintain.

Further, since the installation work can be easily performed even in a narrow space under the bridge where the expansion joint is installed, the present invention can facilitate the work.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view illustrating the overall structure of a water leakage preventing device for a telescopic joint of a bridge capable of being attached and detached using a permanent magnet according to an embodiment of the present invention; FIG.
BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a bridge structure for a bridge, and more particularly, to a bridge structure for a bridge that can be detached by using permanent magnets according to an embodiment of the present invention.
FIG. 3 to FIG. 8 are sectional schematic views sequentially illustrating construction of a leakage preventing device for a telescopic joint of a bridge capable of being attached and detached using a permanent magnet according to an embodiment of the present invention to a bridge top plate assembly. FIG.
9 is a perspective view of a permanent magnet applied to a leakage preventing device for a telescopic joint of a bridge capable of being attached and detached using a permanent magnet according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings.

However, the present invention is not limited to the embodiments described below, but may be embodied in various other forms.

The present embodiments are provided so that the disclosure of the present invention is thoroughly disclosed and that those skilled in the art will fully understand the scope of the present invention.

And the present invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

In addition, throughout the specification, like reference numerals refer to like elements, and the terms (mentioned) used herein are intended to illustrate the embodiments and not to limit the invention.

In this specification, the singular forms include plural forms unless the context clearly dictates otherwise, and the constituents and acts referred to as " comprising (or having) " do not exclude the presence or addition of one or more other constituents and actions .

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs.

Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a schematic cross-sectional view showing the overall structure of a water leakage preventing device for a telescopic joint of a bridge capable of being detached using a permanent magnet according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of a permanent magnet according to an embodiment of the present invention. FIG. 2 is a cross-sectional view showing a process of deforming the shape of a discharge induction unit, which is a main part of a water leakage preventing device for a telescopic joint of a bridge capable of being detached using the method.

1, reference numeral 140 denotes an asphalt layer.

The present invention can recognize that the support unit 200 is mounted to the bridge top plate assembly 100 and the discharge induction unit 300 is coupled to the support unit 200 as shown in FIG.

The bridge top plate assembly 100 is disposed on the top of the first concrete slab 111 disposed on the top of the first box girder 110 and the second box girder 120 adjacent to the first box girder 110 And a second concrete slab 121 spaced apart from the first concrete slab 111 by a predetermined distance D.

The support unit 200 is spaced apart from the first box girder 110 and the second box girder 120 by a predetermined distance along the bottom edge of each of the first concrete slab 111 and the second concrete slab 121, As shown in Fig.

The permanent magnet 900 is a plurality of members bolted to a plurality of support units 200 mounted on the bottom surface of the first concrete slab 111 at regular intervals. The permanent magnet 900 can be coupled to the support unit 200 mounted on either the first concrete slab 111 or the bottom surface of the second concrete slab 121. In the embodiment of the present invention, Is bolted to the support unit 200 mounted on the bottom surface of the base plate 111 will be described.

It is preferable to use permanent magnets 900 that can withstand the load of the discharge inducing unit 300 by using magnets having a magnitude of 10,000 Gauss or more.

The discharge inducing unit 300 is provided with a plurality of support units 200 that allow extension, contraction, and shape deformation, and which are mounted at predetermined lengths along the bottom edge of the second concrete slab 121 of the plurality of support units 200 And the other end is bolted to the lower portion of the metal plate 400 disposed at the side of the first concrete slab 111 and connected to the first concrete slab 111 and the second concrete slab 121, And is disposed at a lower portion of the joint 130 to form an internal flow path.

The lower part of the metal plate 400 is bolted to the other end of the discharge inducing unit 300, and the upper part of the metal plate 400 is attached to the permanent magnet 900. Specifically, the end of the metal plate 400 is formed with a locking protrusion 410 so as to be caught and supported by the upper end of the permanent magnet 900. The metal plate 400 is firmly attached to the permanent magnet 900 so that the discharge inducing unit 300 can be fixed to the lower portion of the expansion joint 130 even if there is no stopper 410. However, So that they can be attached and supported more stably.

Accordingly, the present invention can prevent the fall of concrete or rainwater, etc. of the concrete to the lower part of the bridge by the discharge induction unit 300 coupled to the support unit 200 mounted on the bridge top plate assembly 100, Safety can be protected.

The present invention is characterized in that one side of the discharge inducing unit 300 is detachably attachable to the supporting unit 200 by using the permanent magnet 900 so that the inner flow path 301 formed by the discharge inducing unit 300 The portion of the discharge inducing unit 300 attached to the permanent magnet 900 is peeled off to easily check the internal state of the discharge inducing unit 300. After cleaning, the permanent magnet 900 is attached again to the permanent magnet 900, .

Further, since the installation work can be easily performed even in a narrow space under the bridge where the expansion joint is installed, the present invention can facilitate the work.

It is to be understood that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the invention.

The surfaces of the plurality of permanent magnets 900 except for the surface to which the metal plate 400 is attached are coated with rubber and the holes 920 at the center are formed with threads to which the fastening bolts 910 are coupled.

9 is a perspective view of a permanent magnet applied to a water leakage preventing device for a telescopic joint of a bridge capable of being attached and detached using a permanent magnet according to an embodiment of the present invention.

Referring to Fig. 9, Fig. 9 (a) shows a surface to be coupled to the second piece 220 of the support unit 200 using the fastening bolt 910. Fig. The joint surface and the side surface are covered with a rubber coating (C) to protect them from moisture and the like to prevent them from rusting. A thread is formed in the center hole 920 so that the fastening bolt 910 can be engaged. Fig. 9 (b) shows a surface attached to the metal plate 400. Fig. As shown in FIG. 9 (a), the rubber coating C is formed on the side surface, but the surface 930 attached to the metal plate 400 is not coated so as to generate stronger adhesion.

The support unit 200 can recognize the structure including the first and second parts 210 and 210 and the second parts 220 and 220 and the engagement protrusion 221 as shown in FIG.

The first part 210 and the second part 210 are disposed in plural numbers along the bottom edge of the first concrete slab 111 and the second concrete slab 121 to form the first concrete slab 111 and the second concrete slab 121 And is a plate-shaped member having a predetermined length fixed to the bottom surface.

The second parts 220 and 220 are plate-shaped members bent from the edges of the first parts 210 and 210, respectively, and disposed parallel to each other and facing each other.

The engaging jaw 221 supports the lower portion of the permanent magnet 900 bent outward from the lower end of the second piece 220 disposed on the first concrete slab 111 side and bolted to the second piece 220 .

One end of the discharge inducing unit 300 is coupled to the second piece 220 disposed on the second concrete slab 121 side and the other end is coupled to the lower portion of the metal plate 400 attached to the permanent magnet 900 Lt; / RTI >

Specifically, the fastening bolts 600 are spaced along the longitudinal direction of the second piece 220 disposed on the second concrete slab 121 side and the metal plate 400 disposed on the first concrete slab 111 side And the head portions are welded and fixed to the inner surface of the second piece 220 disposed on the second concrete slab 121 side and the metal plate 400 disposed on the first concrete slab 111 side The body part is exposed to the outside through the second part 220 disposed on the second concrete slab 121 side and the metal plate 400 disposed on the first concrete slab 111 side.

One end and the other end of the discharge inducing unit 300 are connected to the second piece 220 disposed on the second concrete slab 121 side and the outer surface of the metal plate 400 disposed on the first concrete slab 111 side And is fixed to the body of the fastening bolt 600 exposed by the fastening nut 700. [

At this time, a sealing layer 230 for leakage prevention and hermetic sealing is provided between the first part 210, 210 and the first concrete slab 111 and between the first part 210, 210 and the second concrete slab 121 ) Are preferably arranged in this order.

The first part 210 and the second part 210 are formed in a direction in which the first and second box girders 110 and 210 are arranged in a direction perpendicular to the direction in which the first and second box girders 110 and 120 are disposed And then fixed to the first concrete slab 111 and the second concrete slab 121 by the anchor bolts 800, respectively.

The discharge inducing unit 300 is formed by bending a flat plate-like member 300 'as shown in FIG. 2 (a) which allows elastic deformation, as shown in FIG. 2 (b) .

The discharge inducing unit 300 positively corresponds to the elongation and contraction of the elongated joint 130 due to the deformation of the length thereof, that is, the distance D between the first concrete slab 111 and the second concrete slab 121 It is preferable that it is made of a material excellent in durability, heat resistance, chemical resistance, and corrosion resistance while being capable of deforming and restoring shape such as elastic deformation with elasticity.

Referring to FIG. 1 again, the discharge inducing unit 300 is bolted to the outer surface of the support unit 200, bolted to the metal plate 400 attached to the permanent magnet 900, And a second plate 320 connecting the lower ends of the first plates 310 and 310 and the lower ends of the first plates 310 and 310, respectively.

 More specifically, the two first plates 310 and 310 are fastened to a plurality of support units 200, each of which is installed at a predetermined length along the bottom edge of the second concrete slab 121, And the other is a metal plate 400 detachably attached to a permanent magnet 900 coupled to a plurality of support units 200 mounted along the bottom edge of the first concrete slab 111. The other end of the bolt (600).

Here, the direction in which the first plates 310 and 310 and the second plate 320 are arranged in a line is orthogonal to the direction in which the bridge top plate assemblies 100 are arranged in a line.

At this time, both end portions of the entire internal flow path 301 formed along the width direction of the bridge top plate in which the bridge top plate assemblies 100 are arranged in a row (in this case, the direction perpendicular to the direction in which the bridge top plate assemblies 100 are arranged in a line) It is preferable that the inner passage 301 is disposed below the center of the inner passage 301 so as to smoothly discharge foreign substances or rainwater.

The first plate 310 and the second plate 310 are fixed to the outer surface of each of the plurality of support units 200 and the first and second plates 310 and 310 It is preferable to further include a finishing plate 500 which is fixed to the outer surfaces of both end portions of the discharge inducing unit 300 so as to be protected without being exposed to problems such as breakage of the end portions.

In other words, the finishing plate 500 includes the second piece 220 and the metal plate 400 so as to fix the first plates 310 and 310 to the outer surfaces of the second piece 220 and the metal plate 400, And is fixed to the outer surfaces of the first and second plates 310 and 310 in a fixed manner.

The present invention is characterized in that the second piece 220 disposed on the side of the second concrete slab 121 and the metal plate 400 disposed on the side of the first concrete slab 111 are spaced apart in the longitudinal direction And the head portion is welded and fixed to the inner surface of the second piece 220 disposed on the second concrete slab 121 side and the metal plate 400 disposed on the first concrete slab 111 side, A second piece 220 disposed on the concrete slab 121 side and a fastening bolt 600 exposed to the outside through a tapered portion of the metal plate 400.

One end and the other end of the discharge inducing unit 300 are connected to the second piece 220 disposed on the second concrete slab 121 side and the fastening bolt 600 exposed on the outer surface of the metal plate 400 And a fixing nut 700 coupled to the body portion and fixing the discharge induction unit 300.

3 to 8, a process of constructing a water leakage preventing device for a telescopic joint of a bridge capable of being attached and detached using the permanent magnet according to the present invention will be described in brief.

FIGS. 3 to 8 are schematic cross-sectional views sequentially illustrating construction of a water leakage preventing device for a stretch joint of a bridge capable of being attached and detached using a permanent magnet according to an embodiment of the present invention to a bridge top plate assembly.

For reference, reference numerals not shown in Figs. 3 to 8 refer to Figs. 1 and 2. Fig.

3 is a schematic view illustrating a water leakage preventing device for a stretch joint of a bridge capable of being attached and detached using a permanent magnet according to an embodiment of the present invention. Fig. 8 is a view showing a state in which it is not installed on the bottom surface.

4 shows a state in which the first parts 210 and 210 of the support unit 200 are fixed to the bottom surfaces of the first and second concrete slabs 111 and 121 by the anchor bolts 800, 210 and a bottom surface of each of the first and second concrete slabs 111 and 121 is sealed with a sealing layer 230 for preventing leakage and leakage.

Here, the head portion, which is one end of the fastening bolt 600, is welded and fixed from the inner surface of the second piece 220 disposed on the second concrete slab 121 side. It can be seen that the lower end of the second piece 220 disposed on the side of the first concrete slab 111 is formed with the engagement protrusion 221 bent outward.

5 is a view showing a state in which the permanent magnet 900 is coupled to the outside of the second piece 220 disposed on the first concrete slab 111 side through the fastening bolt 910. FIG. Further, the lower portion of the permanent magnet 900 is supported by the engaging jaws 221.

6 shows a state in which the metal plate 400 is attached to the uncoated surface 930 of the permanent magnet 900 and the head portion, which is one end of the fastening bolt 600, is fixed by welding. The engaging step 410 formed on the upper end of the metal plate 400 is attached to the upper end of the permanent magnet 900 and stably attached thereto without being easily detached by the engagement.

As described above, since the permanent magnet 900 uses a magnet having a magnitude of 10,000 Gauss or more, the metal plate 400 does not easily fall off unless the manager pulls it hard.

7 is a side view of the second piece 220 and the second piece 220 disposed on the second concrete slab 121 through the first plates 310 and 310 of the discharge inducing unit 300 through the other end of the fastening bolt 600. [ 1 to the outer surface of each of the metal plates 400 disposed on the concrete slab 111 side.

Since the head portion of the fastening bolt 600 is welded and fixed, when the operator inserts the first plates 310 and 310 into the fastening bolt 600 body, the fastening bolt 600 is prevented from being pushed inward It can be easily inserted.

At this time, the width direction of the bridge top plate (the direction orthogonal to the direction in which the bridge top plate assemblies 100 are arranged in a row) is defined by the second plate 320 connecting the lower ends of the first plates 310 and 310 The inner flow path 301 is formed.

8 shows a second piece 220 disposed on the second concrete slab 121 side and a discharge inducing unit 300 contacting the outer surface of each of the metal plates 400 disposed on the first concrete slab 111 side And the finishing plate 500 is brought into contact with and fixed to the outer surfaces of the first and second plates 310 and 310 through the other ends of the fastening bolts 600 and then fixed with the fixing nut 700.

As described above, according to the present invention, it is possible to protect the safety of the pedestrian and the vehicle by preventing the fall of concrete remnants and rainwater to the lower part of the bridge, and also to be able to attach and detach one side of the discharge induction unit using a permanent magnet Thus, the manager can easily check whether or not soil or foreign matter is accumulated in the discharge induction unit, and after cleaning the inside of the discharge induction unit, the permanent magnet can be restored to its original state by attaching it to the permanent magnet again without a separate device. It is understood that the basic technical idea is to provide a leakage preventing device for a telescopic joint of a bridge.

It will be apparent to those skilled in the art that many other modifications and applications are possible within the scope of the basic technical idea of the present invention.

100 ... bridge roof assembly
110 ... 1st box girder
111 ... first concrete slab
120 ... second box girder
121 ... second concrete slab
130 ... expansion joint
140 ... asphalt layer
200 ... support unit
210, 210 ... Part 1
220, 220 ... Part 2
221 ... hanging chin
230 ... sealing layer
300 ... discharge induction unit
300 '... plate member
301 ... internal flow path
310, 310 ... the first plate
320 ... second plate
400 ... metal plate
410 ... hanging chin
500 ... Finishing plate
600 ... fastening bolt
700 ... Fixed nut
800 ... Anchor bolt
900 ... permanent magnet
910 ... fastening bolt
920 ... hole
D ... distance

Claims (4)

One end of the discharge induction unit disposed at the lower portion of the expansion joint device can be detachably attached using a permanent magnet so that when a foreign matter or a foreign substance is accumulated in the discharge induction unit, the portion attached to the permanent magnet is removed The present invention relates to a water leakage preventing device for a telescopic joint of a bridge capable of being detached using a permanent magnet which can be restored to its original state by simply confirming the inside condition and attaching it to the permanent magnet after cleaning,
A first concrete slab 111 disposed at an upper portion of the first box girder 110 and a second concrete slab 111 disposed at an upper portion of a second box girder 120 adjacent to the first box girder 110, And a second concrete slab (121) spaced apart from the first concrete slab (111) by a predetermined distance.
The first box girder 110 and the second box girder 120 are spaced apart from the first box girder 110 and the second box girder 120 by a predetermined length along the bottom edges of the first concrete slab 111 and the second concrete slab 121 A plurality of support units (200);
A plurality of permanent magnets 900 bolted at regular intervals to a plurality of support units 200 mounted on a bottom surface of a first concrete slab 111 which is one of two concrete slabs 111 and 121 spaced at the predetermined distance, );
And one end thereof is bolted to a plurality of support units (200) mounted along a bottom surface edge of the second concrete slab (121) of the plurality of support units (200) with a predetermined length, The first concrete slab 111 and the second concrete slab 121 are bolted to a lower portion of a metal plate 400 disposed on the first concrete slab 111 side and attached to the permanent magnet 900, A discharge induction unit 300 disposed at a lower portion of the expansion joint 130 for interconnecting the discharge joint unit 130 to form an internal flow passage; And
And a metal plate 400 having a lower portion bolted to the other end of the discharge inducing unit 300 and an upper portion attached to the permanent magnet 900,
An end of the metal plate 400 is formed with a locking protrusion 410 so as to be hung on the upper end of the permanent magnet 900,
The permanent magnets use a magnet having a magnitude of 10,000 Gauss or more,
The support unit includes:
A plurality of second concrete slabs 111 and a plurality of second concrete slabs 121 are disposed on the bottom surface of the first concrete slab 111 and the second concrete slab 121, A first part 210, 210 of a predetermined length,
A second piece 220, 220 which is bent from the edge of each of the first pieces 210, 210 and arranged parallel to each other,
A retaining jaw 221 for supporting a lower portion of the permanent magnet 900 bent to the outside of the second piece 220 disposed on the first concrete slab 111 side and bolted to the second piece 220 ≪ / RTI &
One end of the discharge inducing unit 300 is coupled to the second piece 220 disposed on the second concrete slab 121 side and the other end is coupled to the metal plate 400 attached to the permanent magnet 900 And,
A plurality of second parts 220 disposed on the second concrete slab 121 side and a plurality of metal plates 400 disposed on the first concrete slab 111 side are spaced apart from each other in the left- And the body is fixed to the inner surface of the second piece 220 and the metal plate 400 disposed on the second concrete slab 121 side and the body part is fixed on the second concrete slab 121 side, Further comprising a fastening bolt (600) which is exposed to the outside through a taper of the metal plate (220) and the metal plate (400)
One end and the other end of the discharge inducing unit 300 are respectively connected to the second piece 220 disposed on the second concrete slab 121 side and the body of the fastening bolt 600 exposed to the outer surface of the metal plate 400. [ And is fixed by a fixing nut (700). A leakage preventing device for a telescopic joint of a bridge capable of being attached and detached using a permanent magnet.
The method according to claim 1,
The surfaces of the plurality of permanent magnets 900 except for the surface to which the metal plate 400 is attached are coated with rubber and a screw thread is formed in the center hole 920 to which the fastening bolt 910 is coupled. Which can be attached and detached by using permanent magnets.
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KR1020150110958A 2015-08-06 2015-08-06 Removable leak-proof apparatus for expansion-contraction joint of bridge using a permanent magnet KR101584086B1 (en)

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KR1020150110958A KR101584086B1 (en) 2015-08-06 2015-08-06 Removable leak-proof apparatus for expansion-contraction joint of bridge using a permanent magnet

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Application Number Priority Date Filing Date Title
KR1020150110958A KR101584086B1 (en) 2015-08-06 2015-08-06 Removable leak-proof apparatus for expansion-contraction joint of bridge using a permanent magnet

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KR101584086B1 true KR101584086B1 (en) 2016-01-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101683185B1 (en) 2016-05-31 2016-12-20 조승현 preventing water leakage devices for expansion joint on Bridge
KR20190026306A (en) * 2017-09-05 2019-03-13 (주)글로렉스 The drainage sheet detachment system for flexible connectiong device using electromagnet
CN111877151A (en) * 2020-08-04 2020-11-03 许军 Traffic bridge engineering construction expansion joint waterproof construction
KR102186015B1 (en) * 2020-03-31 2020-12-03 주식회사 아르코건설 Expansion and contraction joint apparatus for bridge and construction method of the apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101229000B1 (en) * 2012-01-19 2013-02-04 하나더이앤씨(주) Expansion joint for bridges, and its production and installation methods
KR101436298B1 (en) * 2013-12-12 2014-09-15 거송건설 주식회사 Expansion joint for connecting slabs of a bridge structure, and construction method for using the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101229000B1 (en) * 2012-01-19 2013-02-04 하나더이앤씨(주) Expansion joint for bridges, and its production and installation methods
KR101436298B1 (en) * 2013-12-12 2014-09-15 거송건설 주식회사 Expansion joint for connecting slabs of a bridge structure, and construction method for using the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101683185B1 (en) 2016-05-31 2016-12-20 조승현 preventing water leakage devices for expansion joint on Bridge
KR20190026306A (en) * 2017-09-05 2019-03-13 (주)글로렉스 The drainage sheet detachment system for flexible connectiong device using electromagnet
KR101991932B1 (en) 2017-09-05 2019-06-21 (주)글로렉스 The drainage sheet detachment system for flexible connectiong device using electromagnet
KR102186015B1 (en) * 2020-03-31 2020-12-03 주식회사 아르코건설 Expansion and contraction joint apparatus for bridge and construction method of the apparatus
CN111877151A (en) * 2020-08-04 2020-11-03 许军 Traffic bridge engineering construction expansion joint waterproof construction

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