KR101636732B1 - Expansion joints for bridge and its construction method - Google Patents

Expansion joints for bridge and its construction method Download PDF

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Publication number
KR101636732B1
KR101636732B1 KR1020150148480A KR20150148480A KR101636732B1 KR 101636732 B1 KR101636732 B1 KR 101636732B1 KR 1020150148480 A KR1020150148480 A KR 1020150148480A KR 20150148480 A KR20150148480 A KR 20150148480A KR 101636732 B1 KR101636732 B1 KR 101636732B1
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KR
South Korea
Prior art keywords
support
expansion joint
waterproof packing
delete delete
water
Prior art date
Application number
KR1020150148480A
Other languages
Korean (ko)
Inventor
강형숙
안태환
Original Assignee
삼우엠텍(주)
강형숙
안태환
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Application filed by 삼우엠텍(주), 강형숙, 안태환 filed Critical 삼우엠텍(주)
Priority to PCT/KR2015/011753 priority Critical patent/WO2017047867A1/en
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Publication of KR101636732B1 publication Critical patent/KR101636732B1/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
    • E01D19/06—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
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E01D19/062—Joints having intermediate beams
    • 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
    • E01D19/065—Joints having sliding plates
    • 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
    • E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/086—Drainage arrangements or devices
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

An objective of the present invention is to provide an expansion joint for a bridge and an installation method thereof which can quickly clean foreign substances accumulated in a gutter of an expansion joint from a bridge deck without disturbing passage of a vehicle, and seal a gap between waterproof packing and the gutter in a watertight manner to resolve a leakage problem. To achieve the objective, according to the present invention, the expansion joint for a bridge comprises: a pair of support parts fixed and installed on a left and a right of a slab gap; waterproof packing slid and inserted into an upper end of the support parts; a gutter tightly attached to a lower portion of the waterproof packing and fixed and installed across the support parts; and a support base which supports the gutter from below and is fixed and installed across the support parts. Also, to achieve the objective, according to the present invention, the installation method of an expansion joint for a bridge installs an expansion joint for a bridge, and comprises: a step (S I) of fixing and installing support parts on a slab by an anchor bolt; a step (S II) of sliding, inserting, and installing waterproof packing into an upper end of the support parts; a step (S III) of mounting a gutter between the support parts; and a step (S IV) of pushing the gutter upwards and installing a support base on the support parts.

Description

[0001] DESCRIPTION [0002] Expansion joints for bridge and its construction method [

The present invention relates to a bridge expansion joint device and a construction method thereof.

Generally, in a relatively long bridge having a plurality of bridge piers, in order to cope with the expansion and contraction of the bridge due to the temperature change, the upper plate of the bridge is divided into several parts in the longitudinal direction of the bridge, Install the device.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exemplary view showing a conventional installation state of a bridge expansion joint and a rubber waterproofing material. FIG.

As shown in this figure, a conventional bridge expansion joint device is provided with upper cover plates 101a and 101b, which are installed to be engaged with each other at opposite ends of a divided bridge upper plate portion, Anchor bolts 102 for fastening and fixing the upper cover plates 101a and 101b to the after concrete 105 and anchor bolts 102 for fastening the anchor bolts 102 and the after concrete 105, A reinforcing bar 103 for reinforcing the strength and a rubber waterproofing material 104 for collecting rainwater and foreign matter which are fixed to the both side concrete 105 at both ends thereof.

Reference numeral 106 denotes a slab reinforcement inside the top plate of the bridge.

In the conventional bridge expansion joint device having the above-described construction, in the conventional bridge expansion joint device, before the upper cover plates 101a and 101b are installed, the rubber waterproofing material 104 is fixed to the slab concrete using the anchor bolts 102, The upper cover plates 101a and 101b are provided and the nut is fastened to the anchor bolt 102 to complete the installation of the expansion joint.

Therefore, when the rubber waterproofing material 104 is damaged, the damaged rubber waterproofing material 104 can not be replaced without opening the upper cover plate 101a (101b) after traffic control.

And this causes additional damage to the substructure due to leakage.

FIG. 2 is an exemplary view showing a state of attachment of a conventional bridge expansion joint and a rubber waterproofing material.

As shown in this drawing, a conventional bridge expansion joint device includes a main body 201, which is inserted into a clearance formed in a facing surface of a divided upper plate portion and which is expanded and contracted according to a temperature change, A reinforcing bar 203 for increasing the binding force of the anchor 202 and the after concrete 205 and reinforcing the strength of the after-concrete 205, and an anchor 202 for fixing the anchor 202 to the after- And a rubber waterproof material 204 for collecting abundant and foreign matter which is provided on the after-concrete 205 together with the expansion joint main body 201 integrally with the joint main body 201. [

Reference numeral 206 denotes the slab reinforcement inside the top plate of the bridge.

1, when the rubber waterproofing material 204 is broken, only the broken rubber waterproofing material 204 can not be exchanged separately, and thus the after-concrete 205 The expansion joint main body 201 is removed and the new expansion joint main body 201 is reinstalled and the rebar 203 is again laid and the after concrete 205 is poured and cured Pass the vehicle.

In order to repair or replace such an expansion joint, there are many problems such as long time traffic control, increase in maintenance cost due to full replacement, and decrease in the life of the bridge due to frequent maintenance.

In addition, rapid response to maintenance is delayed, and leakage to the damaged area occurs, causing secondary damage to the lower structure.

Further, the expansion joint main body 201 is in a good state, but the rubber waterproofing material 204 must be entirely damaged due to the damage thereof, resulting in a waste of resources.

In order to solve the above-described problems, a method for manufacturing, installing and replacing the rubber sealing material of the expansion joint device of Patent No. 10-0662035 has been proposed.

Fig. 3 is a view showing a state in which a rubber waterproofing material of a conventional expansion joint is installed, Fig. 4 is an illustration showing a detachable installation state of a rubber waterproofing material of a conventional expansion joint, 6A to 6C are views showing a state in which a rubber waterproofing material of a conventional expansion joint is installed, and FIG. 7 is a view showing a state in which a conventional waterproofing material, a guide roller, Fig. 8 is an exemplary view showing a state in which a rubber waterproofing material of a conventional expansion joint is installed on a guide rail, and Fig. 9 is a view showing an example in which a conventional rubber waterproofing material Fig. 8 is an illustration showing a state in which the guide rail is installed.

As shown in these drawings, the conventional methods of manufacturing, installing and replacing the rubber waterproofing material of the expansion joint device are provided so as to be engaged with each other at opposite ends of a divided upper plate portion such as a bridge or an expensive road, A finger-shaped top plate that can be applied to all types of stretching joints that are stretchable; A horizontal portion provided on the lower portion of the upper plate to support and fix the upper plate and to closely contact and fix the end portion of the rear plate of the upper plate to the lower portion of the upper plate; A lower plate having a vertical surface portion formed therein; A vertical anchor installed vertically below the horizontal surface of the lower plate and fixing the upper and lower plates to the after concrete; A horizontal anchor provided horizontally below the horizontal surface portion of the lower plate to fix the lower plate to the after concrete, and a rubber waterproof material installed in the lower space of the upper plate to collect rainwater and foreign matter, A method of installing an expansion joint for installation and replacement,

a) installing guide rails for detachably mounting the rubber waterproofing material on both vertical sides of the lower plate;

b) installing a plurality of guide rollers for slidingly fixing the rubber waterproofing material on the guide rails to both ends of the rubber waterproofing material in the longitudinal direction of the rubber waterproofing material by the guide roller fixing member;

c) hanging a wire for pulling the rubber waterproof material at a lower end of the lower end of the expansion joint device to a sufficient length on the opposite side;

d) binding one end of the wire to a wire hole of a guide roller fixing member already coupled to the rubber waterproofing material at a point of pushing the rubber waterproofing material;

e) inserting a guide roller of a portion to which the wire is bound into one view-side portion of the guide rail, and pulling a wire at the other end portion of the guide rail; And

f) When the insertion of the rubber waterproofing material is completed, the rubber waterproofing material is cut and fixed by the length of both ends of the guide rail or the length of the expansion jointing device.

In addition, the guide rails for mounting the rubber waterproofing material in step a) are installed so that the guide rails can be inclined at a predetermined angle of inclination (? °) from the horizontal plane so as to smoothly discharge the foreign matter and the rainwater flowing into the rubber waterproofing material from the upper part. .

The guide rails are installed horizontally so as to smoothly discharge the foreign matter and the rainwater flowing into the rubber waterproofing material from the upper part of the guide rails in the rubber waterproofing materials in the steps a) to f) Is designed and manufactured so as to be inclined by a predetermined inclination angle (?) From the time of design, and is installed on the guide rail.

In the guide rails and the mounting rails in the above-mentioned steps a) to f), the guide rails are horizontally installed, and the rubber waterproofing materials are formed horizontally in a rectangular shape.

The plurality of guide rollers on both ends of the rubber waterproofing material in the step b) may be formed by fitting the guide roller fixing member 452g with the guide roller 452 fitted onto the upper end of the rubber waterproofing material 450, And the rubber waterproofing member 450 and the guide roller fixing member 452g are press-coupled by using rubber fixing pins (screws).

When replacing the rubber waterproofing material and removing foreign matter from the rubber waterproofing material, the steps (b) to (f) are repeatedly performed to replace the rubber waterproofing material or remove the foreign matter.

The method of manufacturing, installing and replacing the rubber waterproofing material of the conventional expansion joint device having the steps as described above is characterized in that a guide roller is installed at both ends of the rubber waterproofing material so as to be independently replaceable with the main body of the expansion joint device, The guide rails corresponding to the guide rollers are installed on the lower steel body or the concrete wall of the lower steel body or the concrete wall so that the rubber waterproofing material can be installed and replaced in a slidable manner. Thus, the rubber waterproofing material is installed and replaced, Can be installed or replaced. As a result, the problem of traffic congestion due to the vehicle control such as the replacement of the rubber waterproofing material in the conventional expansion joint device and the problem of the secondary damage to the lower structure There is an advantage that the problem can be solved fundamentally.

However, the conventional methods for manufacturing, installing and replacing the rubber sealing material of the expansion joint have the following problems.

First, in the conventional method of manufacturing, installing and replacing the rubber sealant of the expansion joint device, the guide rail 454 and the rubber seal 450 are formed of a guide roller fixing member 452g which can be easily pulled or pushed by a wire, So that a gap 470 can not be formed.

Therefore, there is a problem that the rainwater leaks through the gap between the guide rail 454 and the rubber waterproofing material 450 when it rains, and seeps into the bridge pedestal or the slab to corrode these parts.

Second, in the conventional method of manufacturing, installing and replacing the rubber sealant of the expansion joint, the guide roller 452 and the guide roller fixing member 452g are assembled to facilitate pulling the rubber waterproof material 450 by the wire, There is a problem that the manufacturing cost is increased because it is a complicated structure formed by assembling with the rubber waterproof material 450.

Third, the method of manufacturing, installing and replacing the rubber waterproofing material of the conventional expansion joint device is a method for installing and replacing the rubber waterproofing material for cleaning in the expansion joint device, When the center separator part of the expansion joint is clogged because it is not installed in a straight line with respect to the center separator, the rubber waterproof material may be fixed to the end with a wire and pulled, There is a problem that it is difficult to install the rubber waterproofing material of the present invention.

Fourth, the conventional method of manufacturing, installing and replacing the rubber waterproofing material of the expansion joint device is to spray salt water and calcium chloride on the road when the snow comes in during the winter season. The waterproof material 450 of the water- The brine or the calcium chloride is contacted with the rubber waterproofing material 450, and the waterproofing material 450 is aged and damaged over time. Therefore, the rubber waterproofing material 450 needs to be frequently replaced, thereby increasing the maintenance cost.

Registration No. 10-0662035 (Registered on December 20, 2006)

The present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a waterproofing system for a vehicle, which can quickly clean foreign matter introduced from a bridge top plate into a water- The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a bridge expansion joint device and a construction method thereof.

According to an aspect of the present invention, there is provided a bridge expansion joint device comprising: a pair of supports fixedly installed on left and right sides of a slab; A waterproof packing slidably inserted into each of the upper ends of the support rods; A water-receiving part which is closely attached to the lower part of the waterproof packing and fixedly installed between the supporting parts; And a pedestal which supports the water receptacle from the bottom and is fixedly installed between the supports.

According to another aspect of the present invention, there is provided a method of constructing a bridge expansion joint device, comprising the steps of: (S I) fixing a support to an slab by anchor bolts; A step (SII) of inserting a waterproof packing into the inside of the upper end of the support slide; (S III) of mounting the water receptacle between the supports; (SIV) of pushing up the water receiver upwards and installing a pedestal on the support stand.

As described above, the bridge expansion joint device and its construction method according to the present invention are capable of quickly cleaning the foreign matter introduced from the bridge top plate into the water receiving basin of the expansion joint device without blocking the passage of the vehicle, It is possible to solve the water leakage problem by making the gap between the packing and the water receiver watertight.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exemplary view showing a state where a conventional bridge expansion joint device and a rubber waterproofing material are installed;
FIG. 2 is an exemplary view showing a state where a conventional bridge expansion joint device and a rubber waterproofing material are attached. FIG.
3 is an exemplary view showing a state in which a rubber waterproofing material of a conventional expansion joint is installed;
Fig. 4 is an exemplary view showing a detachable installation state of a rubber waterproofing material of a conventional expansion joint,
Fig. 5 is a view showing a state of engagement of a rubber waterproof material, a guide roller, and a guide rail of a conventional expansion joint,
6A to 6C are views showing a state in which a rubber waterproofing material of a conventional expansion joint is installed;
7 is a view showing a state in which a guide rail and a rubber waterproofing material of a conventional expansion joint device are installed.
8 is an exemplary view showing a state in which a rubber waterproofing material of a conventional expansion joint is installed on a guide rail,
Fig. 9 is an illustration showing a state in which a conventional rubber waterproof material is installed on a guide rail,
10 is a perspective view showing a first embodiment of a bridge expansion joint device according to the present invention,
11 is a front view showing a first embodiment of a bridge expansion joint device according to the present invention,
12 is an exploded perspective view showing a first embodiment of a bridge expansion joint device according to the present invention,
13 is a perspective view showing a support of the first embodiment of a bridge expansion joint according to the present invention,
FIG. 14 is a front view showing a support of the first embodiment of a bridge expansion joint according to the present invention, FIG.
15 is a perspective view showing a waterproof packing of a first embodiment of a bridge expansion joint according to the present invention,
16 is a front view showing the waterproof packing of the first embodiment of the bridge expansion joint according to the present invention,
FIG. 17 is a perspective view showing a water receiver of a first embodiment of a bridge expansion joint according to the present invention, FIG.
FIG. 18 is a front view showing a water receptacle of a first embodiment of a bridge expansion joint according to the present invention, FIG.
18A is an exemplary view showing a water-receptacle connection portion of a first embodiment of a bridge expansion joint according to the present invention,
19 is a perspective view showing a pedestal of a first embodiment of a bridge expansion joint device according to the present invention,
20 is a front view showing a pedestal of the first embodiment of the bridge expansion joint according to the present invention,
20A is a front view showing a pedestal connecting portion of a first embodiment of a bridge expansion joint according to the present invention,
Fig. 20B is a side view showing the pedestal connecting portion of the first embodiment of the bridge expansion joint according to the present invention, Fig.
21A to 21F are process drawings showing a process of installing a bridge according to a first embodiment of a bridge expansion joint device according to the present invention,
22 is a front view showing a second embodiment of a bridge expansion joint according to the present invention,
23 is a front view showing a support bar of a second embodiment of a bridge expansion joint according to the present invention,
24 is a front view showing a support of the second embodiment of the bridge expansion joint according to the present invention,
25 is a front view showing a waterproof packing of a second embodiment of a bridge expansion joint according to the present invention,
26 is a front view showing the auxiliary waterproof packing of the second embodiment of the bridge expansion joint according to the present invention,
FIG. 27 is a front view showing a water receiver of a second embodiment of a bridge expansion joint according to the present invention, FIG.
28 is a front view showing a pedestal of a second embodiment of a bridge expansion joint according to the present invention;
29 is a front view showing a water-bearing moving roller of a second embodiment of a bridge expansion joint according to the present invention,
Fig. 30 is a front view showing a support moving roller in a second embodiment of a bridge expansion joint according to the present invention according to the present invention; Fig.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and various embodiments.

[Example 1]

FIG. 10 is a perspective view showing a first embodiment of a bridge expansion joint device according to the present invention, FIG. 11 is a front view showing a first embodiment of a bridge expansion joint device according to the present invention, FIG. 2 is an exploded perspective view showing a first embodiment of a bridge expansion joint device according to the present invention.

As shown in these drawings, the bridge expansion joint E according to the present invention includes a pair of supports 100 fixedly installed on the right and left sides of the flow G of the slab S; A waterproof packing (200) slidably inserted into an upper end of each of the supports (100); A water receptacle (300) closely attached to the lower part of the waterproof packing (200) and fixedly installed between the supports (100); And a pedestal 400 that supports the water receptacle 300 from the bottom and is fixedly installed between the supports 100.

10 to 12, the support 100, the waterproof packing 200, the water receiver 300, and the pedestal 400 are organically coupled to each other, .

As shown in FIGS. 13 and 14, the support base 100 is a steel structure having a predetermined shape. The guide rail 110 is formed on one side of the steel structure and on the other side of the guide rail 110, A guide groove 130 extends from the upper end of the swash plate 120 in the direction of flow G and protrusions 112 are formed on the upper and lower portions of the guide rail 110, And the guide rail 110 is formed to have a gradually narrower width from the lower part to the upper part.

The guide rail 110 is designed to be easily detached when the water tray 300 is lifted to replace the water tray 300.

Particularly, the reason why the support 100 is formed so as to be narrowed from the lower part to the upper part is to maintain a balance with the waterproof packing 200, the water receiver 300, and the pedestal 400 installed on the support 100 .

As shown in FIGS. 15 and 16, the waterproof packing 200 includes a main body 210 having a generally rectangular shape and having a hollow 212 therein; A guide groove inserting part 220 consisting of a vertical plate 222 extending vertically from the upper part of the main body 210 and a horizontal plate 224 extending horizontally on the vertical plate 222; And a wing part 230 having a plurality of wings installed at a lower end of the main body 210.

The reason for forming the hollow 212 in the waterproof packing 200 is to reduce the consumption of the rubber more than necessary and to easily insert the waterproof packing 200 into the support 100 by pressing the waterproof packing 200.

Since the wing portion 230 is formed at the lower portion of the main body 210 of the waterproof packing 200, the waterproof packing 200 is reinforced by enhancing water tightness with the water receiving portion 300, which is a portion contacting the wing portion 230. Thereby preventing water from flowing into the side of the support base 100 installed.

As shown in FIGS. 17 and 18, the water receptacle 300 is a member having a cross-sectional shape symmetrical to the left and right with respect to the center of a stainless steel plate, A second sloping surface 320 which slopes upward at a predetermined angle at the first sloping surface 310 and a second sloping surface 320 which slopes upward at an angle at the first sloping surface 310 and a second sloping surface 320 which extends horizontally outwardly from the second sloping surface 320, A third inclined surface 340 forming a midcylinder at an angle upward at the horizontal surface 330 and a vertical surface 350 extending vertically downwardly from the third inclined surface 340, ).

18A, the connection plate 360 is placed between the water receptacle 300 on one side and the water receptacle 300 on the other side to extend the water receptacle 300. In order to extend the water receptacle 300, And the rubber plate 370 is fastened to the connecting plate 360 by bolts 480.

19 and 20, the pedestal 400 includes a vertical plate 410 having a predetermined thickness and disposed vertically, and an insert (not shown) formed in a predetermined shape on one side of the vertical plate 410, And the insertion part 420 is formed in a rectangular shape and a space 440 is formed on the left and right sides with respect to the center side wall 430. The upper part and the lower part of the space 440, And a recess 450 is formed in the recess 450.

Since the recess 450 of the pedestal 400 is inserted into the protrusion 112 of the pedestal 100, it is possible to further enhance the watertightness of the pedestal 400, .

Since the length of the pedestal 400 is limited, the connection plate 470 is fixedly installed between the pedestal 400 and the other pedestal 400 via the bolts 480 .

The bridge expansion joint E according to the present invention having the above-described structure is constructed so that the foreign matter introduced from the bridge top plate through the slab S to the water-catching 300 of the expansion joint E, The gap between the water receptacle 300 can be made watertight by the waterproof packing 200 installed on the water receptacle 300 and the pedestal 400 installed on the lower side to solve the water leakage problem .

Hereinafter, construction of a bridge expansion joint device according to the present invention having the above-described structure will be described.

Figs. 21A to 21F are process drawings showing a process of installing a first embodiment of a bridge expansion joint device according to the present invention in a bridge. Fig.

As shown in these drawings, a method of constructing a bridge expansion joint apparatus according to the present invention includes a pair of supports 100 fixedly installed on the left and right sides of a flow G of a slab S; A waterproof packing (200) slidably inserted into an upper end of each of the supports (100); A water receptacle (300) closely attached to the lower part of the waterproof packing (200) and fixedly installed between the supports (100); A method of constructing a bridge expansion joint (E) comprising a water pan (300) supported at a lower portion and a pedestal (400) fixedly installed over a support pedestal (100) Anchor bolt (B); A step (SII) of inserting the waterproof packing (200) into the inside of the upper end of the support base (100) by a slide; (S III) of mounting the water receiver (300) between the supports (100); And a step (SIV) of mounting the pedestal (400) on the support table (100) while pushing up the water receptacle (300).

That is, in the method of constructing a bridge expansion joint device according to the present invention, the support base 100 is fixed to the slab S by the anchor bolts B, and the waterproof packing 200 is inserted into the upper end of the support base 100 The water pan 300 is mounted between the supports 100 and the water pan 300 is pushed upward and the pedestal 400 is installed on the support 100. The slant S of the slab S G) is constructed in such a manner that a bridge expansion joint (E) is installed.

Here, the step of installing the support 100 (S I) is a steel structure having a predetermined shape in the slope G of the bridge slab S, and the guide rail 110 is formed in multiple stages on one side of the steel structure, The upper end of the steel structure is formed with a constant swash plate 120. A guide groove 130 extends in the direction of the flow G from the upper end of the swash plate 120, And the support rail 100 is fixed to the guide rail 110 through an anchor bolt B so that the width of the guide rail 110 gradually decreases from the lower part to the upper part.

The step S2 of installing the waterproof packing 200 includes a main body 210 having a rectangular shape as a whole and having a hollow 212 in an upper end inner guide groove 130 of the support 100; A guide groove inserting part 220 consisting of a vertical plate 222 extending vertically from the upper part of the main body 210 and a horizontal plate 224 extending horizontally on the vertical plate 222; A guide groove inserting portion 220 of the waterproof packing 200 constituted by a plurality of wings 230 provided at the lower end of the main body 210 is installed.

The step S III of mounting the water receiver 300 is a member having a sectional shape symmetrical with respect to the center of the stainless steel plate between the supports 100, A first inclined surface 310 forming a gentle slope at a predetermined angle with respect to the first inclined surface 310 and a second inclined surface 320 sloping upward at a predetermined angle at the first inclined surface 310, A third inclined surface 340 extending upward from the third inclined surface 340 and extending vertically downward from the third inclined surface 340; And a water surface 300 composed of a vertical surface 350.

The step 400 of installing the pedestal 400 includes a vertical plate 410 having a predetermined thickness and vertically disposed on the support 100 and an insertion part 410 formed in a predetermined shape on one side of the vertical plate 410. [ The insertion part 420 is formed in a rectangular shape and a space 440 is formed on the left and right sides with respect to the center side wall 430. The insertion part 420 is formed on the upper part and the lower part of the space 440, The pedestal (400) formed with the groove (450) is installed while pushing up the water tray (300).

The method of constructing a bridge expansion joint according to the present invention having the above-described steps prevents foreign matter, which has flowed from a bridge top plate through a slab S, The gap between the water receptacle 300 is made watertight by the waterproof packing 200 installed on the water receptacle 300 and the pedestal 400 installed on the lower part to easily solve the leakage problem Can be solved.

[Example 2]

22 is a front view showing a second embodiment of a bridge expansion joint according to the present invention.

As shown in this figure, the bridge expansion joint E according to the present invention comprises a support bar 500 fixedly installed on the left and right sides of the flow G of the slab S; A support table 600 fixedly installed inside the support bar 500; A waterproof packing (700) slidably inserted into an upper end of each of the supports (600); A water receptacle 800 formed of a stainless steel plate fixedly installed between the lower part of the waterproof packing 700 and the support part 600; And a pedestal 900 which supports the water receptacle 800 from below and is fixedly installed between the supports 600.

That is, the bridge expansion joint E according to the present invention includes a support bar 500, a support 600, a waterproof packing 700, a water receiver 800, and a pedestal 900, As shown in FIG.

23, the support bars 500 are formed of left and right asymmetric T-shaped steel members, and are fixed to left and right sides of the slant G of the slab S, respectively.

24, the support base 600 is a steel structure having a predetermined shape, in which a guide rail 610 is formed at one end of the steel structure at the other end thereof, and the upper end of the steel structure is fixed upward A guide groove 630 extends from the upper end of the swash plate 620 in the direction of flow G and protrusions 612 are formed in the upper and lower portions of the guide rail 610 And a latching protrusion 614 is formed on the upper end of the guide rail 610. [

As shown in FIG. 25, the waterproof packing 700 includes a body 710 having a generally rectangular shape and an inner hollow 712; A guide groove insertion portion 720 including a vertical plate 722 vertically extending from the upper portion of the main body 710 and a horizontal plate 724 extending horizontally on the vertical plate 722; And a plurality of wings 730 fixed to the lower end of the main body 710.

The reason why the hollow 712 is formed in the waterproof packing 700 is to reduce the consumption of the rubber more than necessary and to easily insert the waterproof packing 700 into the support 600.

Since the wing portion 730 is formed in the lower portion of the waterproof packing 700, the waterproof packing 700 is reinforced by enhancing the water tightness with the water receiving portion 800 that is in contact with the wing portion 730 So that water is prevented from flowing into the side of the support stand 600 installed.

Meanwhile, a linear auxiliary waterproof packing 750 is separately installed inside the support bar 500 and at the upper end of the guide groove 630 of the support base 600.

The auxiliary waterproof packing 750 is installed to prevent inflow water flowing on the inside of the support bar 500 from flowing into the support 600.

As shown in FIG. 27, the water receiver 800 is a member having a cross-sectional shape symmetrical with respect to the center of a stainless steel plate. The water receiver 800 has a right- And a second inclined surface 820 that horizontally extends outwardly from the first inclined surface 810 and a second inclined surface 820 that forms a steep inclination at an upward angle with respect to the first inclined surface 810, A third inclined plane 840 forming a midcylinder at an angle upward at the horizontal plane 830 and a vertical plane 850 vertically downward at the upper end of the third inclined plane 840, .

28, the pedestal 900 includes a vertical plate 910 having a predetermined thickness and disposed vertically, an insertion portion 920 formed in a predetermined shape on one side of the vertical plate 910, The insertion portion 920 is formed in a rectangular shape as a whole and at the same time is formed as a bottom wall. A space 940 is formed on the left and right sides with respect to the center side wall 930, Grooves 950 are formed at the upper and lower sides of one side.

29, the water-bearing moving roller 1000 is fixed to the guide rail 610 of the support base 600 via bolts 1010 and a nut 1020. [

As shown in FIG. 30, a supporting table moving roller 1100 is fixed to the inside of the pedestal 900 through bolts 1110 and a nut 1120.

It is easy to replace the water receiver 800 and the support 200 through the water transfer roller 1000 and the support transfer roller 1100. [

The bridge expansion joint E according to the present invention having the above-described structure is constructed so that the foreign matter introduced from the bridge top plate through the slab S to the water receiving surface 800 of the expansion joint E, A waterproof packing 800 installed on the water receiver 800 and an auxiliary waterproof packing 750 installed between the support bar 500 and the support 600 and the water receiver 800, It is possible to solve the water leakage problem by making the gap between the water catching walls 800 water tight by the pedestal 900 installed at the lower part and to prevent the leakage of water from the water catching wall 800 through the water catching moving roller 1000 and the support conveying roller 1100, (600) can be easily replaced and installed.

Hereinafter, construction of a bridge expansion joint device according to the present invention having the above-described structure will be described.

22, a method of constructing a bridge expansion joint apparatus according to the present invention includes a support bar 500 fixedly installed on left and right sides of a flow G of a slab S; A support table 600 fixedly installed inside the support bar 500; A waterproof packing (700) slidably inserted into an upper end of each of the supports (600); A water receptacle 800 formed of a stainless steel plate fixedly installed between the lower part of the waterproof packing 700 and the support part 600; A method of constructing a bridge expansion joint (E) comprising a water pan (800) supported at a lower portion and a pedestal (900) fixedly installed between support rods (600) (S I); A step (SII) of fixing and supporting the support table 600 to the support bar 500 with the anchor bolts B; A step (SIII) of inserting the waterproof packing (700) into the inside of the upper end of the support table (600); (S IV) of mounting the water receiver (800) between the supports (600); And a step (S V) of mounting the support 900 on the support table 200 while pushing up the water receiver 800.

That is, in the method of constructing a bridge expansion joint apparatus according to the present invention, a support bar 500 is installed on a slab S, a support base 600 is fixed to the support bar 500 by anchor bolts B, A waterproof packing 800 is slidably inserted into an upper end of the support platform 600 and a water pan 800 is pushed up between the support platforms 600 and a pedestal 900 is installed on the support platform 200.

Here, the support bar 500 is installed and fixed on the top of the slab S formed on the left and right sides with respect to the slant G as the left and right asymmetric T- do.

The guide bar 600 is installed on the support bar 500 in a predetermined shape. The guide bar 610 is formed on one side of the steel bar and on the other side of the guide rail 610, A guide groove 630 extends from the upper end of the swash plate 620 toward the flow path G and protrusions 612 are formed on the upper and lower portions of the guide rail 110, And a support table 600 having a latching protrusion 614 formed at an upper end of the guide rail 610 is fixed to the support rail 600 via an anchor bolt B. [

At this time, the supporter 600 is installed on the support bar 500 with the linear auxiliary waterproof packing 750 inserted into the upper part of the guide groove 630.

Here, a step of fixing the water-bearing moving roller 1000 to the guide rail 610 of the support table 600 through the bolts 1010 and the nuts 1020 is added.

Next, the step (S) of installing the waterproof packing 700 includes a body 710 having a generally rectangular shape and having a hollow 712 inside the upper end of the support 600. A guide groove insertion portion 720 including a vertical plate 722 vertically extending from the upper portion of the main body 710 and a horizontal plate 724 extending horizontally on the vertical plate 722; And a waterproof packing 700 composed of a wing portion 730 having a plurality of wings 730 fixed to the lower end of the main body 710.

The water receiver 800 is installed between the supports 600 in a cross-sectional shape symmetrical with respect to the center of the stainless steel plate. A second inclined plane 820 which is inclined upward at a predetermined angle from the first inclined plane 810 and the first inclined plane 810 and a horizontal plane 820 which extends horizontally outwardly from the second inclined plane 820, And a vertical surface 850 vertically downward from the third inclined surface 840. The horizontal inclined surface 840 and the vertical inclined surface 840 are inclined at a predetermined angle in the horizontal plane 830, 800).

The step S V of installing the pedestal 900 includes a vertical plate 910 having a predetermined thickness and vertically disposed on the support table 200 and an insertion portion 920 formed in a predetermined shape on one side of the vertical plate 910. [ And the insertion portion 920 is formed in a rectangular shape as a whole and at the same time a lower wall is formed and a space 940 is formed on the left and right sides with respect to the center side wall 930, A pedestal 900 having grooves 950 is formed on the upper and lower sides of one side.

Here, a step of fixing and installing the support table moving roller 1100 through the bolts 1110 and the nuts 1120 is added to the inside of the support 900.

The method of constructing a bridge expansion joint according to the present invention having the above-described steps prevents foreign matter, which has flowed in from the bridge top plate through the slab S, to the accumulator 800 of the expansion joint E, The waterproof packing 700 and the auxiliary waterproof packing 750 provided at the upper part of the water receiver 800 and the bottom 900 installed at the lower part can clean the gap between the water receiver 800 and the water receiver The water pan 800 and the support 600 can be easily replaced and installed through the water transfer roller 1000 and the support transfer roller 1100. [

The preferred embodiments described in the specification of the present invention are intended to be illustrative, not limiting, and the scope of the present invention is indicated by the appended claims, and all modifications that come within the meaning of the claims are included in the present invention. .

100: Support base 110: Guide rail
112: projection 120: swash plate
130: guide groove 200: waterproof packing
210: main body 212: hollow
220: guide groove inserting portion 222: vertical plate
224: horizontal plate 230: wing portion
300: water receiver 310: first inclined surface
320: second inclined plane 330: horizontal plane
340: third inclined plane 350: vertical plane
360: connecting plate 370: rubber plate
400: pedestal 410: vertical plate
420: insertion portion 430: side wall
440: space 450: groove
460: bolt ball 470: connecting plate
480: bolt 500: support bar
600: support 610: guide rail
612: projection 614:
620: swash plate 630: guide groove
700: Waterproof packing 710: Waterproof packing body
712: hollow 720: guide groove insertion part
722: vertical plate 724: horizontal plate
730: wing portion 750: auxiliary waterproof packing
800: water receiver 810: first inclined surface
820: second inclined plane 830: horizontal plane
840: third inclined plane 850: vertical plane
900: Base 910: Vertical plate
920: inserting portion 930: side wall
940: space 950: groove
1000: water receiver moving roller 1010: bolt
1020: Nut 1050
1100: Supporting rollers
1110: Bolt 1120: Nut
B: Anchor bolt E: Bridge expansion joint
G: Percentage S: Slab

Claims (34)

delete delete delete delete delete delete delete A support bar 500 fixed to left and right sides of the slant G of the slab S;
A support table 600 fixedly installed inside the support bar 500;
A waterproof packing (700) slidably inserted into an upper end of each of the supports (600);
A water receptacle 800 formed of a stainless steel plate fixedly installed between the lower part of the waterproof packing 700 and the support part 600;
A pedestal 900 which supports the water receiving unit 800 from the bottom and is fixedly installed between the supporting rods 600;
Wherein a support moving roller (1100) is fixed to the inside of the pedestal (900) through bolts (1110) and a nut (1120). 9. The method of claim 8,
Wherein the support bar (500) is configured as a left-right asymmetric T-shape. 9. The method of claim 8,
The support base 600 is a steel structure having a predetermined shape, and a guide rail 610 is formed on one side of the steel structure at a plurality of stages on the other side thereof. The upper end of the steel structure is formed with a constant upward sloping plate 620, Wherein a guide groove (630) is formed in the direction of the flow direction at an upper end of the pipe (620). 11. The method of claim 10,
And a projection (612) is formed on the upper and lower portions of the guide rail (610). 12. The method of claim 11,
And a hooking protrusion (614) is formed at an upper end of the guide rail (610). 9. The method of claim 8,
The waterproof packing 700 includes a body 710 having a generally rectangular shape and a hollow interior 712; A guide groove insertion portion 720 including a vertical plate 722 vertically extending from the upper portion of the main body 710 and a horizontal plate 724 extending horizontally on the vertical plate 722; And a wing portion (730) having a plurality of wings installed at a lower end portion of the main body (710). 9. The method of claim 8,
Wherein the pedestal 900 comprises a vertical plate 910 having a predetermined thickness and disposed vertically and an insertion portion 920 formed in a predetermined shape on one side of the vertical plate 910. [ Device. 15. The method of claim 14,
The insertion portion 920 is formed in a rectangular shape as a whole and at the same time a lower wall is formed and a space 940 is formed on the left and right sides with respect to the center side wall 930. An upper portion and a lower portion And a groove (950) is formed in the groove. 9. The method of claim 8,
Wherein a water-bearing moving roller (1000) is fixed to a guide rail (610) of the support table (600) through bolts (1010) and a nut (1020). delete delete delete delete delete delete delete delete A support bar 500 fixed to left and right sides of the slant G of the slab S; A support table 600 fixedly installed inside the support bar 500; A waterproof packing (700) slidably inserted into an upper end of each of the supports (600); A water receptacle 800 formed of a stainless steel plate fixedly installed between the lower part of the waterproof packing 700 and the support part 600; A pedestal 900 which supports the water receiving unit 800 from the bottom and is fixedly installed between the supporting rods 600; A method of constructing a bridge expansion joint (E) in which a support table moving roller (1100) is fixed to the inside of the support (900) via bolts (1110) and a nut (1120)
A step S I of fixing the supporting bar 500 to the slab S;
A step (SII) of fixing and supporting the support table 600 to the support bar 500 with the anchor bolts B;
A step (SIII) of inserting the waterproof packing (700) into the inside of the upper end of the support table (600);
(S IV) of mounting the water receiver (800) between the supports (600);
And a step (S V) of mounting the support table (900) on the support table (600) while pushing up the water receiver (800) upwards. 26. The method of claim 25,
Wherein the support bar (500) is configured as a left-right asymmetric T-shape. 26. The method of claim 25,
The support base 600 is a steel structure having a predetermined shape, and a guide rail 610 is formed on one side of the steel structure at a plurality of stages on the other side thereof. The upper end of the steel structure is formed with a constant upward sloping plate 620, Wherein a guide groove (630) is formed in the direction of the distant flow at the upper end of the pipe (620). 28. The method of claim 27,
Wherein a protrusion (612) is formed on the upper and lower portions of the guide rail (610). 28. The method of claim 27,
And a locking step (614) is formed at an upper end of the guide rail (610). 26. The method of claim 25,
The waterproof packing 700 includes a body 710 having a generally rectangular shape and a hollow interior 712; A guide groove insertion portion 720 including a vertical plate 722 vertically extending from the upper portion of the main body 710 and a horizontal plate 724 extending horizontally on the vertical plate 722; And a wing portion (730) having a plurality of fixed portions at a lower end portion of the main body (710). 26. The method of claim 25,
Wherein the pedestal 900 comprises a vertical plate 910 having a predetermined thickness and disposed vertically and an insertion portion 920 formed in a predetermined shape on one side of the vertical plate 910. [ Device construction method. 32. The method of claim 31,
Wherein the inserting portion (920) is formed in a rectangular shape as a whole, and is formed as a bottom wall. 26. The method of claim 25,
Wherein a water-bearing moving roller (1000) is fixed to a guide rail (610) of the support base (600) through bolts (1010) and a nut (1020). delete
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KR102623228B1 (en) 2022-07-22 2024-01-10 삼우엠텍(주) Bridge expansion joint and maintenance system for detecting foreign substance and leakage of bridge expansion joint
KR20240022706A (en) 2022-08-12 2024-02-20 삼우엠텍(주) Bridge expansion joint and construction method of bridge expansion joint using h-beam

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