KR20060126132A - Method for manufacturing, installing and changing a rubber seal in expansion and contraction joint - Google Patents

Abstract

A method for manufacturing, installing and replacing a rubber seal of an expansion joint device is provided to ease traffic congestion and to prevent the secondary damage to a lower structure by installing and replacing a rubber seal easily in the sliding method using guide rails. A method for manufacturing, installing and replacing a rubber seal of an expansion joint device comprises the steps of: installing guide rails(454) on both vertical planes of lower plates to place a rubber seal(450) to be separable; installing many guide rollers(452), which fix a rubber seal to be slidable on the guide rails, on both ends of the rubber seal longitudinally; suspending wires(456), which pull the rubber seal, in the opposite direction from the upper end of the expansion joint device; binding up one ends of the wires to wire holes of a guide roller fixing member(452g) coupled with the rubber seal; inserting the guide roller of the part bound with the wire to the beginning of the guide rail and pulling up the wire from the other end of the guide rail; and cutting the rubber seal as much as the length of both ends of the guide rail or the length of the expansion joint device and fixing.

Description

Method for manufacturing, installing and changing a rubber seal in expansion and contraction joint}

1 is a view showing a structure of the conventional expansion joint for the bridge and the installation state of the rubber waterproof material.

Figure 2 is a view showing the state of attachment of the rubber waterproof material and the structure of another conventional expansion joint for the bridge.

Figure 3 is a view showing a state in which the rubber waterproofing material installed (or replaced) according to the manufacturing, installation and replacement method of the rubber waterproof material of the expansion joint according to the present invention.

Figure 4 shows a removable installation mechanism of the rubber waterproof material employed in the method of the present invention.

5 is a view showing a coupling relationship of the rubber waterproofing material, the guide roller and the guide rail employed in the method of the present invention.

6a to 6c are views showing various mounting examples of the rubber waterproofing material in the method of the present invention.

7 is a view showing a case in which the guide rail and the rubber waterproofing material are designed and manufactured in a rectangular shape and installed in an inclined manner in the method of the present invention.

8 is a view showing a case in which the rubber waterproofing material is designed to be inclined and installed in a horizontally installed guide rail in the method of the present invention.

9 is a view showing a case in which the rubber waterproofing material produced in a rectangular shape in the method of the present invention installed on a horizontally installed guide rail.

<Explanation of symbols for the main parts of the drawings>

410a, 410b ... top 420a, 420b ... bottom

430 Vertical Anchors 431 Bolts

440 ... Horizontal anchor 450 ... Rubber waterproof material

Guide roller 452g ... Guide roller fixing member

453 ... Connection 454,457 ... Guide rail

455 ... Connection coupling 456 ... Wire

457h ... Guide groove 460 ... Futa concrete

470 ... reinforced steel 490 ... slab concrete

492 ... slab reinforcement 600,610 ... steel body or concrete

The present invention relates to an expansion joint device employed in expansion joints such as bridges and overpasses, and more particularly, by improving the rubber waterproofing material for collecting rainwater and foreign substances into a structure that can be replaced independently of the expansion joint body. The present invention relates to a method for manufacturing, installing, and replacing rubber waterproofing materials for expansion joints that can solve the problem of traffic jam and secondary damage to the lower structure due to the failure of quick replacement of damaged rubber waterproofing materials.

In general, a relatively long bridge having a plurality of bridges is divided into a plurality of sections in the longitudinal direction of the bridge in order to respond to the expansion and contraction of the bridge according to temperature changes, and between each divided top plate You will install the device.

1 is a view showing the structure of the conventional expansion joint for the bridge and the installation state of the rubber waterproof material.

Referring to FIG. 1, conventional bridge expansion joints are respectively installed to be engaged with each other at the end portions of the bridge top plate facing each other, and the upper cover plates 101a and 101b that expand and contract according to temperature changes, and Anchor bolt 102 for binding and fixing the upper cover plates 101a and 101b to the futa concrete 105, increasing the binding force between the anchor bolt 102 and the futa concrete 105, and reinforcing the strength of the futa concrete 105. Reinforcement for the reinforcement 103, and both sides of the futa concrete 105 is composed of a rubber waterproofing material 104 for rainwater and foreign matter collection is installed so that the end is fixed respectively. Reference numeral 106 denotes slab reinforcing bars inside the upper plate of the bridge.

In the conventional expansion joint device for bridges having the above configuration, after the rubber waterproofing material 104 is anchored to the slab concrete before the upper cover plate (101a) (101b) is installed, the upper cover plate (101a) (101b) The installation of the expansion joint is completed by fastening the nut to the anchor bolt 102 and, therefore, when the rubber waterproofing material 104 is damaged, the upper cover plates 101a and 101b are damaged after the traffic control. The rubber waterproofing material 104 cannot be replaced. And this causes additional damage of the lower structure caused by the leakage.

Figure 2 is a view showing the structure of the conventional expansion joint for the bridge and the rubber waterproofing state of the attachment.

Referring to Figure 2, another conventional expansion joint for bridges is inserted into the gap facing the divided upper plate portion, the expansion joint main body 201, which expands and contracts according to the temperature change, and the expansion joint main body 201. ) Anchors 202 for fixing the futa concrete 205, reinforcing bars 203 for increasing the binding force between the anchors 202 and the futa concrete 205 and reinforcing the strength of the futa concrete 205, and the expansion joint It is composed of a rubber waterproofing material 204 for collecting rainwater and foreign matters installed in the futa concrete 205 together with the expansion joint body 201 integrally with the apparatus main body 201. Reference numeral 206 denotes slab reinforcing bars inside the top plate of the bridge.

In another conventional bridge joint expansion device having the above configuration, as in the conventional expansion joint of FIG. 1, when the rubber waterproof member 204 is broken, only the broken rubber waterproof member 204 cannot be replaced, and thus futa concrete Break the 205 and dismantle the expansion joint body 201, reinstall the new expansion joint body 201, reinforce the reinforcing bar 203 again, after pouring futa concrete 205 cured Pass the vehicle through the process. For such replacement maintenance, many problems such as long time traffic control, increase of maintenance cost due to full replacement, and reduction of bridge life due to frequent maintenance are caused. In addition, there is a problem that a rapid repair response is delayed to cause a leak to the damage site to cause secondary damage to the substructure. In addition, the expansion joint body 201 is in a good state, but because the rubber waterproofing material 204 must be replaced with the whole, there is a serious problem of waste of resources.

The present invention was created to solve the problem of rubber waterproofing in the conventional expansion joints as described above, by improving the rubber waterproofing material for collecting rainwater and foreign matter into a structure that can be replaced independently of the expansion joint body, traffic congestion according to the vehicle control The purpose of the present invention is to provide a method of manufacturing, installing and replacing the rubber waterproofing material of the expansion joint device that can solve the problem of secondary damage to the lower structure due to the problem of the problem and the rapid replacement of the damaged rubber waterproofing material. .

Method of manufacturing, installing and replacing the rubber waterproofing material of the expansion joint according to the present invention to achieve the above object,

Finger-type top plates, which are respectively installed to be engaged with each other at opposite ends of the divided slab slabs, such as bridges or overpasses, are applicable to all types of expansion joints that stretch and contract according to temperature changes; A key portion provided at a lower portion of the upper plate to support and fix the upper plate, the key portion for tightly fixing the finger plate rear plate end of the upper plate, a horizontal surface portion extending from the key portion to support the upper plate, and extending at right angles to the horizontal surface portion A lower plate composed of a vertical surface portion formed; A vertical anchor installed vertically below the horizontal surface portion of the lower plate to fix the upper plate and the lower plate to futa concrete; A horizontal anchor installed horizontally below the lower surface of the lower plate to fix the lower plate to futa concrete; And a rubber waterproof material installed in the lower space of the upper plate and having a rubber waterproof material for collecting rainwater and foreign matters.

a) respectively installing guide rails for detachably mounting the rubber waterproof member on both vertical surfaces of the lower plate;

b) installing a plurality of guide rollers in the longitudinal direction of the rubber waterproof member by guide roller fixing members, the plurality of guide rollers fixed to both ends of the rubber waterproof member to slidably move the rubber waterproof member to the guide rail;

c) suspending the wire for attracting the rubber waterproofing material at an opposite end of the expansion joint device to a sufficient length on the opposite side;

d) binding one end of the wire to the wire hole of the guide roller fixing member which is already coupled with the rubber waterproof member at a time point for pushing the rubber waterproof member;

e) inserting the guide roller of the portion where the wire is bound to one side of the guide rail, and pulling the wire from the other end of the guide rail; And

f) When the rubber waterproofing material is inserted, the rubber waterproofing material may be cut and fixed by the length of both ends of the guide rail or the length of the expansion joint device.

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

3 is a view showing a state in which the rubber waterproofing material is installed (or replaced) according to the manufacturing, installation and replacement method of the rubber waterproofing device according to the present invention, Figure 4 is a rubber waterproofing material employed in the method of the present invention Figure 5 is a view showing a removable installation mechanism, Figure 5 is a view showing a coupling relationship of the rubber waterproofing material, the guide roller and the guide rail employed in the method of the present invention.

3 to 5, the manufacturing, installation and replacement method of the rubber waterproofing material of the expansion joint according to the present invention, are respectively installed so as to be mutually coupled to the opposite ends of the divided slab slabs, such as bridges and overpasses Finger-type upper plates 410a and 410b that can be applied to all types of expansion joints that expand and contract according to temperature change; A key portion provided below the upper plates 410a and 410b to support and fix the upper plates 410a and 410b, and to tightly fix the finger plate rear plate ends of the upper plates 410a and 410b; A lower plate 420a and 420b formed of a horizontal surface portion which is formed to support the upper plate and extends at right angles to the horizontal surface portion; A vertical anchor 430 installed vertically below the horizontal surface portion of the lower plates 420a and 420b to fix the upper plates 410a and 410b and the lower plates 420a and 420b to the futa concrete 460; A horizontal anchor 440 installed horizontally under the horizontal surface portion of the lower plate 420a and 420b to fix the lower plate 420a and 420b to the futa concrete 460; And a rubber waterproof member 450 installed in the lower space of the upper plates 410a and 410b and having a rubber waterproof member 450 for collecting rainwater and foreign matter. ,

Respectively installing guide rails 454 for detachably mounting the rubber waterproof member 450 on both vertical surfaces of the lower plates 420a and 420b; A plurality of guide rollers 452 for slidably moving the rubber waterproof member 450 to the guide rail 454 on both ends of the rubber waterproof member 450 by the guide roller fixing member 452g are provided for the rubber waterproof member 450. In the longitudinal direction of the; Hang a wire (for example, a wire or piano wire) 456 to a sufficient length from the lower end of the expansion joint device to pull the rubber waterproof member 450; Binding one end of the wire 456 to the wire hole of the guide roller fixing member 452g that is already coupled to the rubber waterproof member 450 at a point in time at which the rubber waterproof member 450 is pushed; Inserting the guide roller 452 of the portion where the wire 456 is bound to one side of the guide rail 454, and pulling the wire 456 from the other end of the guide rail 454; Thus, when the insertion of the rubber waterproof member 450 is completed, the rubber waterproof member 450 is cut and fixed by the length of both ends of the guide rail 454 or the length of the expansion joint device. This completes a series of processes according to the installation and replacement method of the rubber waterproofing material of the present invention.

Here, the above is mainly a description of the new installation of the rubber waterproofing material 450, of course, when replacing the rubber waterproofing material 450 and removing foreign matter from the rubber waterproofing material 450, the steps b) to f) are repeated. Carry out to replace the rubber waterproofing material 450 or to remove foreign substances.

In FIGS. 3 to 5, reference numeral 431 denotes a bolt for binding the upper plate to the vertical anchor, 455 denotes a coupling coupling connecting the guide rails to each other, 470 denotes reinforcing bars, 490 denotes slab concrete, and 492 denotes slab rebars.

Here, also with respect to the installation and replacement of the rubber waterproofing material of the present invention as described above will be described in more detail with respect to the production and installation of the rubber waterproofing material 450 and the guide rail 454.

First, in manufacturing the rubber waterproof member 450, as shown in Figure 5, after the guide roller fixing member 452g with the guide roller 452 is attached to the upper end of the rubber waterproof member 450 by fitting, Using rubber fixing pins (screws), the rubber waterproofing member 450 and the guide roller fixing member 452g are press-bonded. The guide roller fixing member 452g is connected to each other by a connecting ring 453 made of a resin material that can be bent. In addition, the guide roller fixing member (452g) is made to be adjustable in length according to the conditions of the site so that the effect of bending to some extent during transportation and installation.

In manufacturing the guide rail 454, as shown in Figures 6a and 6b to be described later, in the case of the external exposure type, a material resistant to corrosion, such as stainless steel, aluminum, resin-based materials, and the inflow of rainwater from the top To prevent this, it should be possible to maintain a closed type. Such a guide rail 454 is a principle of factory extrusion molding, but the length is cut to a length such that deformation does not go so that there is no difficulty in transportation or installation. In addition, the guide rail 454 should be able to be attached to the slab concrete surface by the anchor, and when the space is difficult to attach the fastening welding or bolts to the vertical surface of the lower plate. At this time, in the case of the exposure type, the guide rail between male and female does not interfere with each other even when the expansion and contraction of the expansion joint device is installed at the same height, and in the case of interference, the height difference is to be set. The connection part between the guide rail 454 and the guide rail 454 prevents rain or foreign matter from entering the guide rail and secures the finish using a separate connection coupling 455 for smooth rotation of the guide roller 452. do. In addition, when fixing the guide rail 454 to the vertical surface portion of the slab concrete is fixed to the same length as the assembly length of the expansion joint.

6A to 6C are views illustrating various mounting examples of the rubber waterproofing material.

Referring to FIG. 6A, this is a hermetic type (basic type), and a hermetic guide rail 454 and a guide roller 452 having two wheels are used. At this time, the guide rail 454 is fixed to the steel body or concrete 600 wall surface.

Referring to FIG. 6B, it is annular, and an annular guide rail 457 and a guide roller 458 having one wheel are used. At this time, the guide rail 457 is fixed to the wall of the steel body or concrete 600, as in the closed type (basic type).

Referring to FIG. 6C, this is a recessed type, and a guide groove 457h corresponding to the annular guide rail 457 of FIG. 6B is formed in the steel body 610, and thus the guide roller 458 is made of steel. The point of being embedded into the main body 610 is characteristically different from the external exposure types of FIGS. 6A and 6B.

Each coupling mechanism of the guide rail and the guide roller as described above is almost the same in function and effect. However, depending on the conditions of the bridge or other concrete structure and the conditions of the construction site, the appropriate form may be selected and used.

On the other hand, in the installation of the guide rail 454, preferably, as shown in Figure 7, by installing the guide rail 454 inclined by a predetermined inclination angle (α °) with respect to the horizontal plane rubber waterproof member 450 Install inclined. This is to smoothly discharge the foreign matter and rainwater introduced into the rubber waterproofing material 450 from the top. For this purpose, in some cases, as shown in Figure 8, the guide rail 454 is installed horizontally, so that the rubber waterproofing material 450 itself is inclined by a predetermined inclination angle (α °) from the time of design By designing and manufacturing the guide rail 454, the same effect as that obtained by installing the guide rail 454 inclined (that is, installing the entire rubber waterproofing material inclined) in FIG. 7 can be obtained.

In some cases, as illustrated in FIG. 9, the guide rails 454 may be horizontally installed, and the rubber waterproof member 450 may also be horizontally installed. As such, when both the guide rail 454 and the rubber waterproofing member 450 are horizontally installed, the side of the side may be drained while the case of FIGS. 7 and 8 is one side drainage.

As described above, the manufacturing, installation and replacement method of the rubber waterproofing material of the expansion joint according to the present invention, the guide rollers are installed at both ends thereof so that the rubber waterproofing material for collecting rainwater and foreign matter can be replaced independently of the expansion joint body, and the top plate. The rubber waterproofing material is installed irrespective of traffic control by installing and replacing the rubber waterproofing material by installing a guide rail corresponding to the guide roller to install and replace the rubber waterproofing material on the lower steel main body or concrete wall of the sliding type. Problem of traffic congestion caused by vehicle control, such as replacement of rubber waterproofing in conventional expansion joints, and secondary damage to the undercarriage due to the failure of rapid replacement of damaged rubber waterproofing. There is an advantage that can fundamentally solve the problem.

Claims (6)

A finger-type top plate which is respectively installed to be engaged with each other at both ends facing the upper portion of the divided top plate such as a bridge or an elevated road, and is applicable to all types of expansion joints that expand and contract according to temperature change; A key portion provided at a lower portion of the upper plate to support and fix the upper plate, the key portion for tightly fixing the finger plate rear plate end of the upper plate, a horizontal surface portion extending from the key portion to support the upper plate, and extending at right angles to the horizontal surface portion A lower plate composed of a vertical surface portion formed; A vertical anchor installed vertically below the horizontal surface portion of the lower plate to fix the upper plate and the lower plate to futa concrete; A horizontal anchor installed horizontally below the lower surface of the lower plate to fix the lower plate to futa concrete; And a rubber waterproof material installed in the lower space of the upper plate and having a rubber waterproof material for collecting rainwater and foreign matters. a) respectively installing guide rails for detachably mounting the rubber waterproof member on both vertical surfaces of the lower plate; b) installing a plurality of guide rollers in the longitudinal direction of the rubber waterproof member by guide roller fixing members, the plurality of guide rollers fixed to both ends of the rubber waterproof member to slidably move the rubber waterproof member to the guide rail; c) suspending the wire for attracting the rubber waterproofing material at an opposite end of the expansion joint device to a sufficient length on the opposite side; d) binding one end of the wire to the wire hole of the guide roller fixing member which is already coupled with the rubber waterproof member at a time point for pushing the rubber waterproof member; e) inserting the guide roller of the portion where the wire is bound to one side of the guide rail, and pulling the wire from the other end of the guide rail; And f) Once the insertion of the rubber waterproofing material is completed, the rubber waterproofing material of the expansion joint device, characterized in that the step of cutting and fixing the rubber waterproofing material by the length of both ends of the guide rail or the expansion joint device; And replacement method. The method of claim 1, In installing the guide rail for mounting the rubber waterproofing material in the step a), the guide rail is inclined by a predetermined inclination angle (α °) from the horizontal plane to smoothly discharge the foreign matter and rainwater flowing into the rubber waterproofing material from the top Method of manufacturing, installing and replacing the rubber waterproofing material of the expansion joint device characterized in that the installation. The method of claim 1, In installing the rubber waterproofing material in the step a) to f) in the guide rail, the guide rail is installed horizontally so as to smoothly discharge the foreign matter and rainwater flowing into the rubber waterproofing material from the top, and the rubber waterproofing material itself Method of manufacturing, installing and replacing the rubber waterproofing material of the expansion joint device, characterized in that it is designed and manufactured to be inclined by a predetermined inclination angle (α °) from the time of design and installed on the guide rail. The method of claim 1, In the installation of the guide rail and the rubber waterproofing material in the above steps a) to f), the guide rail is installed horizontally, the rubber waterproofing device characterized in that the horizontal installation of the rubber waterproofing material is also installed in a rectangular shape How to make, install and replace rubber waterproofing materials. The method of claim 1, Installation of a plurality of guide rollers at both ends of the rubber waterproofing material in the step b), after the guide roller fixing member 452g to which the guide rollers 452 are attached is fitted to the top of the rubber waterproofing material 450 by fitting. , Manufacturing, installation and replacement of the rubber waterproofing material of the expansion joint device, characterized in that made by pressing the rubber waterproofing member 450 and the guide roller fixing member (452g) using a rubber fixing pin (screw). The method of claim 1, Even when replacing the rubber waterproofing material and removing foreign matters from the rubber waterproofing material, by repeating the steps b) to f) to manufacture or install the rubber waterproofing material of the expansion joint device characterized in that to replace the rubber waterproofing material or to remove foreign matters And replacement method.

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