KR20220170785A - Elevation Control Anchor and Bridge Bearing System using it - Google Patents

Abstract

The present invention relates to a bridge bearing system to which an elevatable anchor is applied, and specifically, a bridge structure includes a substructure supported on the ground and standing upright; an upper structure formed on top of the lower structure to connect spaces spaced apart from each other; and a bridge bearing provided between the lower structure and the upper structure, wherein the bridge bearing includes an upper plate in contact with the upper structure, a bearing part accommodating the behavior of a bridge structure due to an external force, and a lower plate in contact with the lower structure, and the lower plate includes a plurality of bearing anchor parts embedded in the lower structure.

Description

Elevation Control Anchor and Bridge Bearing System using it}

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied.

Patent Invention 001 effectively resists the horizontal force acting on the bridge support, thereby minimizing the cross-section of the bolt for anchor installation, making it easy to replace the bridge support and effectively resisting the side reaction force. Installed to be buried in the anchor socket, but the upper and lower parts are open, the upper surface is set at the same height as the upper surface of the supporting concrete or mortar, and the lower part is covered with a protective cap to finish; a rod shape having the same length as the anchor socket accommodation pipe An anchor socket inserted into the anchor socket receiving tube as a member of the anchor socket and having fastening holes formed at the center of the upper and lower surfaces, respectively; A lower plate for a bridge support in which an insertion groove is formed on the bottom surface and is installed so that the insertion groove is located on the top of the anchor socket; It is fastened to the fastening hole on the upper surface of the anchor socket, and is installed to penetrate the fastening hole, the insertion groove, and the bottom plate, and bolts Fastening bolts installed so that the head is supported on the upper surface of the lower plate; And it is fastened to the fastening hole on the bottom of the anchor socket, and is installed to pass through the fastening hole, the anchor socket accommodating tube, and the anti-reaction disk installed to be supported on the bottom of the anchor socket, and the bolt head is installed to be located below the anti-reaction disk. Support bolt; includes.

Patent Document 002 relates to an anchor applied to a bridge device that is mounted between the upper structure (slab; SLAB) of a bridge and a pier and can accommodate the load and movement of the upper structure. The present invention relates to an anchor for a bridge anchorage device, which is convenient for maintenance and repair, so that an anchor to be buried can be taken out, so that maintenance and repair after installation can be conveniently performed. The anchor for a bridge anchorage device of the present invention, which is easy to repair, is embedded between an upper plate embedded in the upper plate of a bridge, a lower plate embedded in the pier, and the upper and lower plates to adapt to displacement or stress, so that the load applied to the upper plate is applied to the pier. In the brace device composed of bearings that operate to prevent strain on the seat, a groove is formed around an anchor bolt mounted on at least one of the upper plate or the lower plate, and the groove can be inserted into the groove. It consists of an inner socket in which a tap into which an anchor bolt is screwed is formed in the center, and an outer socket in which the inner socket is movably received and installed in at least one of a top plate or a pier.

Patent Document 003 discloses an anchor device capable of resisting a large horizontal force and having no fear of unlocking. The anchor device includes an anchor socket having an intermediate insert member insertion portion, an intermediate insert member insertion hole formed in the fixing target member, a pressure plate insertion groove formed in the fixing target member with a step outward on the intermediate insert insert hole, and the intermediate insert insert An intermediate insert coupled across the ball and the intermediate insert insert, a pressurizing plate inserted into the pressurizing plate insertion groove, and a pressurizing means for pressing the pressurizing plate toward the anchor socket, to be coupled to the anchor socket and the pressurizing plate, respectively. The spirals of the male thread formed on the intermediate insert are formed in opposite directions to each other, and a rotation preventing member is provided to prevent rotation of the pressure plate.

Patent Document 004 drills an anchor hole in concrete, installs a negative reaction force key and a negative reaction force pin inside to control the negative reaction force, and couples an anchor bolt to the negative reaction force pin so that when a horizontal force is generated, the subject that resists through the anchor bolt It relates to a supporting reaction force control anchor assembly capable of being supported and a construction method thereof. One preferred embodiment of the anti-reaction force control anchor assembly of the present invention is a key box having a through hole formed on an upper surface in a rectangular box shape with an empty inside; A negative reaction force key configured inside the key box in the shape of a rectangular plate having a certain thickness and having a coupling hole having a screw thread formed therein vertically passing through the inner circumferential surface thereof; A nut hole is formed vertically at a certain depth in the center of the upper part, and a thread is formed on the outer circumferential surface from the lower end to a certain height. with pins; a fixed plate having a plate shape of a certain size and having a pin insertion hole formed in the center thereof, into which an upper end of the negative reaction force pin is inserted into the pin insertion hole; A cover plate having a plate shape of a certain size and having a bolt through hole having a smaller diameter than the pin insertion hole of the fixing plate and positioned on the top of the fixing plate; a pin cover formed to surround an outer circumferential surface of the negative reaction force pin between the upper surface of the key box and the lower surface of the fixing plate; An anchor bolt that passes through the bolt through hole and the pin insertion hole of the cover plate and the fixing plate and is coupled to the nut hole of the negative reaction force pin.

KR 10-1230599 B1 (registration date January 31, 2013) KR 10-1030747 B1 (registration date April 15, 2011) KR 10-1807772 B1 (registration date December 05, 2017) KR 10-1742159 B1 (registration date May 25, 2017)

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and specifically, the bridge structure includes a substructure supported by the ground and standing upright; and an upper structure formed on top of the lower structure to connect spaces spaced apart from each other. and a bridge support provided between the lower structure and the upper structure, wherein the bridge support includes an upper plate in contact with the upper structure; and a supporting portion accommodating the behavior of the bridge structure by an external force; and a plurality of support anchor parts 200 embedded in the lower structure; and a lower plate in contact with the lower structure.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in the above-described invention, the support anchor unit 200 is located on the lower surface of the through-hole of the lower plate and includes a fastening plate having a screw thread; a sleeve fixed to a lower portion of the fastening plate; An anchor socket inserted into the sleeve; and a steel rod protruding from the upper surface of the lower plate, fastened to the fastening plate, penetrating the sleeve, and fastened to the anchor socket. It includes providing a

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in the above-described invention, the steel rod protrudes from the top of the lower plate and is fastened with a nut.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in the above-described invention, the fastening plate includes a thickness lower than that of the lower plate.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In the above-described invention, the sleeve is in the form of a steel pipe and has one or more through holes formed on an outer surface thereof.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in the above-described invention, the through-hole of the sleeve includes a plurality of at least one through-hole having different heights and directions.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in the above-described invention, a negative reaction resistance plate having a diameter larger than the diameter of the anchor socket is provided at the lower end of the anchor socket.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In the above-described invention, the anchor socket is in the form of a steel pipe and has one or more through holes formed on an outer surface thereof.

The present invention relates to a construction method using a bridge bearing to which an anchor device capable of lifting and lowering is applied. Step of inserting and setting the height of the support anchor to the minimum; And a bridge support lifting step of lifting the bridge support and positioning it on the upper surface of the bridge substructure; And, a bridge support position adjustment step of adjusting the position of the bridge support after leveling the installation position of the bridge support, installing a leveling bolt to adjust the height, seating the bridge support on the leveling bolt, and then adjusting the position; And, a support anchor portion support step of withdrawing the steel bar of the support anchor portion attached to the lower plate of the bridge support by forward rotation until the anchor socket inserted inside the sleeve is supported by the lower structure; A reinforcing bar arrangement step of selectively arranging reinforcing bars around the installed support anchor portion; And, a formwork installation step of installing a formwork around the substructure and the bridge support; And, pouring and curing step of curing by pouring concrete; It includes what is provided with

By implementing the anchor device capable of lifting and lowering of the present invention, when installing the bridge support, the length of the anchor part is reduced to facilitate the seating of the new bridge support on the upper surface of the chipping part of the lower structure, and after installation, the anchor socket is rotated through the rotation of the steel bar. It is adjusted to support by extending the length to interfere with the cushion reinforcing bar, and it is possible to fill the inside of the anchor socket and sleeve with mortar by pouring mortar, solving the difficulties of new construction and replacement of bridge bearings, and ensuring the function of load transmission during operation. Reliability can be ensured by doing this.

1 is a conceptual diagram in which a bridge support is installed on a bridge structure.
2 and 3 are cross-sectional views of a bridge support to which an anchor device capable of lifting and lowering according to the present invention is applied.
4 and 5 are cross-sectional views in which the support anchor portion of the bridge support to which the lift-adjustable anchor device of the present invention is applied is installed.
Figure 6 is a perspective view in which the anchor socket is installed in the supporting anchor portion of the present invention.
7 is a cross-sectional view of a bridge support to which an anchor device capable of lifting and lowering according to another embodiment of the present invention is applied.
8 to 9 are perspective views in which a supporting anchor unit is installed on a lower plate according to another embodiment of the present invention.
Figure 10 is a cross-sectional view in which the supporting anchor unit is installed on the lower plate shown in Figure 9 according to another embodiment of the present invention.

Hereinafter, the most preferred embodiment of the present invention will be described in detail in order to explain the present invention in detail to the extent that those skilled in the art can easily practice the present invention. The citation relationships in the following examples are only numbers provided to aid technical understanding, and other non-cited examples may be cited. Even configurations that are not specified in the following embodiments can be replaced with objects exhibiting similar purposes and effects. Sub-concept configurations that are not specified in the following embodiments are regarded as specified.

[Example 1-1] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. And an upper structure 10 formed on the upper part of the lower structure 20 to connect spaces spaced apart from each other; and a bridge bearing 100 provided between the lower structure 20 and the upper structure 10; formed, and the bridge bearing 100 includes an upper plate 110 in contact with the upper structure 10; and a supporting part 120 for accommodating the behavior of the bridge structure by an external force; and a lower plate 130 in contact with the lower structure 20, and the lower plate 130 includes a plurality of support anchor parts 200 embedded in the lower structure.

[Embodiment 1-2] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. Positioned and threaded fastening plate 210; a sleeve 220 fixed to the bottom of the fastening plate 210; An anchor socket 230 inserted into the sleeve; and a steel rod 240 protruding from the upper surface of the lower plate 130, fastened to the fastening plate 210, penetrating the sleeve 220, and fastened to the anchor socket 230. do.

The present invention relates to a bridge support 100 to which an anchor device capable of lifting and lowering is applied. Regarding Examples 1-1 to 1-2, the normal bridge bearing is chipped on the bed part of the upper surface of the coping for installing the bridge bearing 100 after the substructure 20 is built, and the reinforcement of the bridge support reinforcement, commonly called cushion reinforcement The installation of the bridge support is finished by inserting the anchor of the bridge support 100 between the positions and pouring the mortar. The bridge bearing 100 is replaced for the purpose of repair and reinforcement of the structure due to deformation or damage caused by external force during use and aging of the bridge structure. It is a reality that the working environment is very poor due to problems during replacement construction in which the support must be replaced while maintaining it.

In order to replace the bridge bearing 100, a lifting jack is supported between the upper and lower structures to support the load of the upper structure 10 of the bridge bearing, and then, through chipping of the lower structure 20, the existing bridge The support 100 is removed. Theoretically, the replacement work can be completed by installing a new bridge support at the location where the existing bridge support 100 is removed, and re-placing the mortar to integrate it with the upper and lower structures, but the existing anchor and the reinforcing cushion It is installed to interfere with each other, and in order to remove the anchor of the existing bridge bearing and install the new bridge bearing 100, it is a reality that the usually placed cushion reinforcing bar must be cut to insert it. It is possible to complete the support replacement work by installing a new bridge bearing with anchors installed between the cut reinforcement bars, reconnecting the partially cut reinforcement reinforcement by welding, etc., and then finishing it through mortar casting. A structure verified through standard design, analysis, and initial construction may cause an unexpected decrease in reliability in the load transmission process by changing part of the structure for replacement of the support.

The support anchor used in the bridge support 100 of the present invention was conceived by utilizing the sleeve 220 (Sleeve) pre-setting method (Pre-Setting) provided to facilitate the installation of the existing structure and bridge support The bridge support 100 provided between the upper structure 10 and the lower structure 20 for forming the bridge structure (Br) is exposed as an upper plate 110, a support part 120 and a lower plate 130, , In the lower part of the lower structure, a plurality of support anchor parts 200 are formed in a form connected to the lower structure 20. Support anchor portion 200 of the present invention is located on the lower surface of the through hole of the lower plate 130 and has a threaded fastening plate 210 and a sleeve 220 fixed to the lower portion of the fastening plate 210 and the sleeve 220 An anchor socket 230 inserted into and a steel rod protruding to the upper surface of the lower plate 130, fastened to the fastening plate 210, penetrating the sleeve 220, and fastened to the anchor socket 230 ( 240).

Specifically, the installation anchor of the bridge support 100 by installing the sleeve 220 on the lower part of the bridge support substructure and placing the anchor socket 230 configuration that can lift the inside of the sleeve 220 around the steel bar 240 Through the reduction of the length of the part, it is easy to seat the new bridge bearing on the upper surface of the chipping part of the lower structure 20, and after seating, the anchor socket 230 is extended in length to interfere with the cushion reinforcing bar through the rotation of the steel bar 240 It is adjusted to support, and the mortar is filled into the anchor socket 230 and the sleeve 220 by pouring the mortar, thereby solving the difficulty of replacement construction of the bridge support 100 and surely performing the function of load transmission during operation. It forms a bridge bearing equipped with an anchor part capable of lifting and lowering control that can ensure reliability.

[Embodiment 2-1] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. contains more

The present invention relates to a bridge support to which an anchor device capable of lifting and lowering is applied, and the steel bar 240 of Example 2-1 is a lower plate ( 130), the steel bar 240 exposed to the upper surface of the bed portion may be fixed through a fastening means such as a nut.

[Example 2-2] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Example 2-1, the steel bar 240 is the fastening plate 210 and the anchor socket 230 ) and screwed.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and with respect to Example 2-1, the steel bar 240 is a screw thread formed in the steel bar 240, and the fastening plate 210 and the anchor socket ( 230) can be concluded. Through this, the steel bar 240 is connected to the fastening plate 210 connected to the lower plate 130, and the lower part is connected to the anchor socket 230, and the supporting anchor portion 200 formed on the lower surface of the lower plate 130 is coupled. And, it protrudes from the upper surface of the through hole of the lower plate 130 and can be connected to the lower plate 130 by being fastened with a nut.

[Example 2-3] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 2-2, one side of the steel bar 240 is fastened to the anchor socket 230 and interpolated , An elastic body having a length greater than the sum of the thickness of the lower plate 130 and the height of the other side of the steel bar 240 protruding upward from the lower plate 130 at the end of one side of the steel bar 240;

[Example 2-4] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. including having a groove;

[Example 2-5] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Example 2-2, a release agent is applied to the steel bar 240.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and with respect to Examples 2-3 to 2-5, in the present invention, the steel bar 240 is the lower plate 130 of the bridge bearing 100 It is provided to settle on the lower structure 20, and when a situation occurs in which the bridge bearing 100 needs to be replaced due to the elapse of the common life of the bridge bearing, damage due to external force, or reinforcement of social design standards, the lower plate from the lower structure (130) The bridge superstructure 10 cannot be raised in consideration of the height of the steel bar 240 protruding upward.

Therefore, the bridge bearing 100 should be replaced in a state where the impression of the space in which the bridge bearing is installed is minimized. In the present invention, as in the conventional bridge bearing anchor socket 230, it is not a bolt-shaped coupling structure, but a threaded steel rod. Since the 240 extends from the top of the lower plate 130 to the inside of the lower structure 20, it is impossible to replace it with a conventional bridge support replacement method. Therefore, in the present invention, it is possible to solve the problem when replacing the bridge support 100 as described above by rotating the steel bar 240 and inserting it into the lower structure.

To this end, the upper end of the lower structure 20, that is, the thickness of the lower plate 130 and the upper part of the lower plate 130, are placed at one end of the steel rod 240 located inside the sleeve 220 and the anchor socket 230 where the mortar is cast. The steel bar 240 is formed by forming a bridge bearing in a state in which an elastic body having a length longer than the sum of the heights of the other side of the protruding steel bar 240 is attached, and rotating the steel bar 240 downward when the bridge bearing 100 is replaced. By reducing the volume of the elastic body by pressing the elastic body formed at one end, it is possible to secure a space into which the steel bar 240 is inserted into the lower structure. In order to rotate and insert the steel bar 240 of the present invention, the other end of the steel bar 240 exposed to the upper portion of the lower plate 130 is provided with a kind of no-bolt type date, cross, square, and hexagonal recessed groove, a driver, The steel bar 240 may be inserted into the lower structure 20 using a tool such as a wrench.

To this end, a separate release agent (release agent) may be applied to the steel bar 240 or an object in contact with the steel bar 240 when manufacturing the bridge support, and a grease-based lubricant may be used as the release agent. The elastic body attached to and embedded at one end of the steel bar 240 is formed to a diameter greater than or equal to the diameter of the steel bar 240, and is made of a normal foam material to facilitate compression by pressing during internal insertion by rotation of the steel bar 240. is formed

[Embodiment 3-1] The present invention relates to a bridge bearing (100) to which an anchor device capable of lifting and lowering is applied, and in Embodiment 1-2, the fastening plate (210) has a lower thickness than the lower plate (130). including those formed by

[Example 3-2] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Example 3-1, the fastening plate 210 is formed larger than the cross section of the sleeve 220 include that

[Example 3-3] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Example 3-1, the fastening plate 210 is formed in the same area as the lower plate 130 include that

[Example 3-4] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 3-1, the fastening plate 210 is embedded in the lower plate 130 to a certain thickness, (130).

[Example 3-5] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Example 3-1, the fastening plate 210 is fixed to the lower plate 130 by welding, The sleeve 220 fixed to the fastening plate 210 includes being welded or screwed to the fastening plate 210 .

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and the fastening plate 210 of Examples 3-1 to 3-5 is formed on the lower surface of the lower plate 130, and the sleeve 220 is attached to the lower plate 130. ) is provided to connect to. The fastening plate 210 provided for this function does not need to be as thick as the lower plate 130, and can be formed in a minimum size to facilitate coupling with the lower plate 130, and at least the sleeve ( 220) needs to be formed larger than the cross section. The fastening plate 210 combines the plurality of sleeves 220 formed together with the fastening plate 210, the plurality of anchor sockets 230, and the steel bar 240 in consideration of ease of manufacturing and construction. ) is formed to correspond to the area of the lower plate 130, and a plurality of sleeves 220 corresponding to the plurality of through holes formed in the lower plate 130 under the fastening plate 210, anchor sockets 230, steel rods ( 240) connection configuration can be installed at once.

In addition, the fastening plate 210 can be implemented in various ways in the direction of securing the coupling area of the support end surface for stable support of the load (vertical load, horizontal load) transmitted through the lower plate 130 to the upper side, For example, by having a recessed groove on the lower surface of the lower plate 130, a certain thickness of the fastening plate 210 can be inserted into the recessed groove to secure reliability of load transmission by horizontal shear force, vertical pressure stress, etc. This coupling method may be changed to welding, thread coupling, etc., and coupling with the sleeve 220 coupled to the fastening plate 210 may also utilize various methods such as welding, screw coupling, and penetration.

[Embodiment 3-6] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. A plurality of through-holes formed in the fastening plate 210 to match the through-holes; and a sleeve 220 formed on a lower surface around each of the through holes; and an anchor socket 230 inserted into the sleeve 220; and a steel rod 240 through which the through-hole of the fastening plate 210 and the sleeve 220 and the anchor socket 230 are fastened through; a modular type manufactured to form one body.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and embodiments 3-6 are details of the support anchor unit 200, including the fastening plate 210, the sleeve 220, the anchor socket 230, and The steel bar 240 may be configured to be manufactured in a single module shape.

[Example 4-1] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 1-2, the sleeve 220 is in the form of a steel pipe and has one or more through holes formed on the outer surface. include

[Example 4-2] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 4-1, the through-hole of the sleeve 220 has one or more through-holes having different heights and directions. Including those formed in plurality.

[Example 4-3] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Example 4-1, one or more notches are formed on the outer surface of the sleeve 220.

[Embodiment 4-4] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Embodiment 4-1, the sleeve 220 includes a square tube shape.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and embodiments 4-1 to 4-4 relate to details of the sleeve 220, which is formed in the form of a steel pipe. Considering that the steel material used as a normal anchor is mainly circular, such as a steel bar 240, the sleeve 220 into which it is inserted is also made of a steel pipe, and one or more through holes are formed on the outer surface of the steel pipe of the sleeve 220 After adjusting the height of the supporting anchor unit 200, when mortar is poured, the mortar may be introduced to the inside of the sleeve 220. In order to improve the mortar filling performance of the sleeve 220 through the fluidity of the mortar, the sleeve 220 may be provided with one or more through holes having different heights and directions. Through this, it is possible to minimize the voids that are not filled with mortar. In addition, by forming one or more notches on the outer surface of the sleeve 220, it is possible to improve coupling with mortar to be poured later.

The sleeve 220 may be manufactured in the form of a square tube rather than a steel pipe as needed. When the sleeve 220 is formed in the shape of a square tube, the anchor socket 230 inserted into the sleeve 220 also corresponds to It is formed in an angular shape, and through this, when the anchor socket 230 part is raised and lowered through the rotation of the steel rod 240, the anchor socket 230 part is moved up and down while the rotation of the anchor socket 230 part is restricted.

[Embodiment 4-5] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Embodiment 4-1, the sleeve 220 and the anchor socket 230 are tightly coupled, and the The inner surface of the sleeve 220 includes a Teflon coating.

[Example 4-6] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 4-1, the vertical line of the sleeve 220 is constant with the vertical center line of the steel bar 240. It includes being provided to rotate eccentrically by forming a center line spaced apart from each other.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and embodiments 4-5 to 4-6 are additional embodiments of implementing the sleeve 220, and are anchor sockets inserted into the sleeve 220. In order to facilitate the elevation of the 230, the self-lubricating Teflon film is coated on one surface where the sleeve 220 and the anchor socket 230 come into contact, so that the elevation by rotation can be easily induced. In addition, the vertical line of the sleeve 220 and the vertical center line of the steel bar 240 are spaced apart so that the sleeve 220 and the anchor socket 230 dependent on the sleeve 220 are rotated eccentrically from the steel bar 240. may be provided. Through this, it is possible to fine-tune the horizontal position of each anchor of the supporting anchor unit 200, so that it is possible to secure coupling with the lower structure by avoiding interference when reinforcement reinforcement is interfered with according to field conditions.

[Embodiment 5-1] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Embodiment 1-2, the lower end of the anchor socket 230 has a diameter larger than that of the anchor socket 230. A negative reaction force resistance plate 231; includes being provided.

[Example 5-2] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 5-1, the anchor socket 230 is in the form of a steel pipe and has one or more through holes formed on the outer surface thereof. include that

[Example 5-3] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 5-1, the anchor socket 230 is formed in a cylindrical shape and the steel bar 240 is formed at the top. ) including those formed with threaded taps for fastening.

[Embodiment 5-4] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Embodiment 5-2, the through hole of the anchor socket 230 passes through one or more holes having different heights and directions. It includes forming a plurality of balls.

[Embodiment 5-5] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. 20), including those connected to the support bars.

[Embodiment 5-6] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Embodiment 5-2, a chain passes through the through hole of the anchor socket 230, and the chain It includes binding to the support reinforcement of the bridge substructure.

[Embodiment 5-7] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Embodiment 5-2, the anchor socket 230 is filled with mortar.

[Example 5-8] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied. In Example 5-2, the mortar filled inside the anchor socket 230 is applied to the lower structure 20 It includes filling and curing before installation and integrating with the anchor socket 230.

[Embodiment 5-9] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Embodiment 5-2, the anchor socket 230 includes a nut.

[Embodiment 5-10] The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and in Embodiment 5-2, the anchor socket 230 is formed in a square tube shape.

The present invention relates to a bridge bearing to which an anchor device capable of lifting and lowering is applied, and embodiments 5-1 to 5-10 relate to an anchor socket 230, wherein the anchor socket 230 is provided at the lower end of the anchor socket 230. A negative reaction force resistance plate 231 larger than the diameter of may be provided. The negative reaction force resistance plate 231 is a support anchor embedded in the bed part to resist the up-lift force among various load conditions that may occur in the bridge bearing installed after the completion of construction of the bridge bearing 100 The side reaction force formed on the part 200 can be resisted by the frictional force on the surface of the anchor socket 230 and the side reaction resistance plate extended to the end of the anchor socket 230 . In addition, the anchor socket 230 is formed in a steel pipe shape (when formed in a cylindrical shape, there is no through hole, and a threaded tap for fastening the steel rod 240 is provided), and one or more through holes may be formed. This is to allow the mortar to be poured after determining the position and level of the bridge support 100 to fill the inside of the anchor socket 230, and to minimize the air gap inside the anchor socket 230 by using a plurality of through holes. It can be formed in various heights and directions. In order to improve the bonding strength with the substructure, reinforcing bars, chains, etc. are inserted or penetrated into the through hole of the anchor socket 230, thereby improving the bonding strength with the supporting reinforcing bars of the existing substructure 20.

In addition, the mortar filled inside the anchor socket 230 may be pre-filled and cured before installation in the lower structure. This is concerned about a decrease in bearing capacity (acupressure, shear) due to voids caused by on-site casting, so that mortar casting is completed when the anchor socket 230 or support anchor unit 200 is constructed, so the reliability of mortar filling can be secured. . In addition, when the anchor socket 230 is made of a steel pipe, the steel rod fastener formed in the anchor socket and fastening the steel rod 240 is formed by welding a general nut to the steel pipe, so that economic efficiency can be improved. The anchor socket may be formed in a square tube shape corresponding to the above-described square tube sleeve configuration (Example 4-4).

[Example 6-1] The present invention relates to a bridge bearing 100 to which an anchor device capable of lifting and lowering is applied. In Example 1-1, the support anchor portion 200 penetrates the lower plate 130 Located on the lower surface of the ball, the assembly 250 having a screw thread formed thereon; A fixture 260 inserted into the assembly 250; A steel bar 240 inserted into the fixture 260 and having one end protruding from the top of the lower plate 130 through the coupling body 250; includes.

[Example 6-2] The present invention relates to a bridge bearing 100 to which an anchor device capable of lifting and lowering is applied, and in Example 6-1, the assembly 250 is formed at the lower end of the lower plate 130 The coupling plate 251 to be; A coupling socket 252 extending from the outer circumferential surface of the coupling plate 251 to the bottom.

[Embodiment 6-3] The present invention relates to a bridge bearing (100) to which an anchor device capable of lifting and lowering is applied. (260) and the packing 253 for sealing the separation space; includes.

[Example 6-4] The present invention relates to a bridge bearing 100 to which an anchor device capable of lifting and lowering is applied, and in Example 6-2, formed between the coupling plate 251 and the lower plate 130 and a guide plate 254 for guiding the position of the assembly 250.

[Example 6-5] The present invention relates to a bridge bearing (100) to which an anchor device capable of lifting and lowering is applied. In Example 6-2, it is formed on the outside of the fixture (260) and is screwed A fixed wedge 261 for fixing the movement of the assembly 250; includes.

[Embodiment 6-6] The present invention relates to a bridge bearing (100) to which an anchor device capable of lifting and lowering is applied. and a bonding groove 262 to increase bonding force.

The present invention relates to a bridge bearing 100 to which an anchor device capable of lifting and lowering is applied, and embodiments 6-1 to 6-5 relate to other embodiments of the bearing anchor part 200, and the bearing anchor part made of metal 200 is used for the bridge bearing 100, and facilitates the installation of the existing structure and the bridge bearing 100, and is inserted into the lower structure 20 to adjust the height and spacing of the bridge bearing 100 will be. In addition, the support anchor unit 200 is located on the lower surface of the through hole formed in the lower plate 130, and the assembly 250 having a screw thread formed thereon is formed.

At this time, the coupling body 250 is formed with a coupling plate 251 formed at the lower end of the lower plate 130 and a coupling socket 252 extending from the outer circumferential surface of the coupling plate 251 to the lower end. In addition, a guide plate 254 is formed between the coupling plate 251 and the lower plate 130, and the guide plate 254 guides the position of the support anchor unit 200 as it guides the position of the assembly 250. . In addition, the guide plate 254 is formed to a predetermined length to connect the plurality of support anchor parts 200 to each other, and the lower surface of the guide plate 254 is a seating groove in which the coupling plate 251 of the assembly 250 is seated is formed Accordingly, the support anchor unit 200 is smoothly seated on the guide plate 254 and the position is guided. And the coupling socket 252 extending to the lower end of the coupling plate 251 extends to the lower fixture 260 so that the end of the fixture 260 is inserted into the coupling socket 252. In addition, the assembly 250 has a packing 253 formed between the outside of the fixed body 260 inserted therein, and the assembly 250 rotates or moves by the packing 253 formed of a rubber material such as silicon. and at the same time prevent the mortar filled in the assembly 250 from being separated.

And the fixture 260 is formed by opening the inside, and the steel bar 240 is fastened as a screw thread is formed at the top. The steel bar 240 may fasten the fixture 260 and the coupling plate 251 with a screw thread formed on the outside. And, as the steel rod 240 rotates inside the fixture 260, the length passing through the lower plate 130 is determined, and the same length passing through the lower plate 130 rises inside the fixture 260. will be. In addition, the steel bar 240 is fastened by a nut after penetrating the lower plate 130.

In this way, the fixture 260 through which the steel bar 240 passes is formed in the same way as the anchor socket 230, but the diameter of the fixture 260 is formed in various ways according to the diameter of the assembly 250. In addition, the fixing body 260 may have a screw thread formed on the outside, and the fixing wedge 261 may be threaded. At this time, the fixed wedge 261 is formed in a conical shape that narrows as the diameter rises to the top, so when the fixed body 260 is inserted into the assembly 250 by the fixed wedge 261, the assembly 250 and the fixture ( 260) is inserted between the fixing wedges 261 to prevent movement of the assembly 250. In addition, a plurality of bonding grooves 262 are formed on the lower surface of the fixture 260 to increase bonding strength with the lower structure 20 .

[Example 7-1] The present invention relates to a construction method using a bridge bearing to which an anchor device capable of lifting and lowering is applied. Setting the height of the support anchor to the minimum by inserting the anchor socket into the sleeve as much as possible; And a bridge support lifting step of lifting the bridge support and positioning it on the upper surface of the bridge substructure; And, a bridge support positioning step of adjusting the position of the bridge support after leveling the installation position of the bridge support, installing a leveling bolt to adjust the height, seating the bridge support on the leveling bolt, and then adjusting the position; And, attaching to the lower plate of the bridge support A supporting anchor unit supporting step of withdrawing the steel bar of the supporting anchor unit by forward rotation until the anchor socket inserted inside the sleeve is supported by the lower structure; A reinforcing bar arrangement step of selectively arranging reinforcing bars around the installed support anchor portion; And, a formwork installation step of installing a formwork around the substructure and the bridge support; and, a pouring and curing step of curing by injecting concrete; It includes what is provided with

The present invention is a construction method utilizing a bridge bearing to which an anchor device capable of lifting and lowering is applied. direction) to insert the anchor socket into the sleeve as much as possible to form a step of setting the height of the support anchor to the minimum. This sets the height of the bridge bearing to be installed to a minimum, and improves the efficiency of work during the lifting for installation of the bridge bearing and the work for seating on the upper surface of the substructure (the same applies to the replacement of the bridge bearing).

In addition, by making the installation position of the bridge bearing even, a leveling bolt for supporting the bridge bearing is formed at the place where the bearing is to be located. The step of adjusting the position of the bridge support is completed by adjusting the height by inserting and leveling the bridge support at the top of the leveling bolt thus formed. In order to integrate the bridge support with the substructure, an operation of embedding the support anchor member attached to the bridge support into the substructure is performed. ), the anchor socket inserted as much as possible inside the sleeve before lifting is pulled out until it is supported by the lower structure and supported by the lower structure. Thereafter, reinforcing bars can be placed around the fixed bridge support, and after the reinforcing bar placement step, a formwork for integrating the bridge support with the lower structure is installed, and then concrete is placed and cured. finish the final

Br: bridge structure
10: upper structure 20: lower structure
100: bridge support
110: upper plate 120: support
130: lower plate
200: support anchor part
210: fastening plate 220: sleeve
230: anchor socket 231: negative reaction force resistance plate
240: steel bar
250: combination body 251: combination plate
252: coupling socket 253: packing
254: guide plate
260: fixed body 261: fixed wedge
262: joint groove

Claims (9)

The bridge structure includes a substructure that is supported on the ground and stands upright; and
An upper structure formed on the upper part of the lower structure to connect spaces spaced apart from each other; and a bridge support provided between the lower structure and the upper structure, wherein the bridge support includes an upper plate in contact with the upper structure; and
Support portion for accommodating the behavior of the bridge structure by external force; and
It is formed of a lower plate in contact with the lower structure,
The lower plate is a bridge support with an anchor device capable of lifting and lowering including a plurality of support anchors embedded in the lower structure.
According to claim 1,
The support anchor portion is located on the lower surface of the through hole of the lower plate,
Threaded fastening plate; And a sleeve fixed to the bottom of the fastening plate; and
An anchor socket inserted into the sleeve; and
A bridge bearing with an anchor device capable of lifting and lowering including a steel rod protruding from the upper surface of the lower plate, fastened to the fastening plate, penetrating the sleeve, and fastened to the anchor socket.
According to claim 2,
The steel rod protrudes from the top of the lower plate and is coupled with a nut.
According to claim 2,
The fastening plate is a bridge bearing to which an anchor device capable of lifting and lowering is applied, including being formed to a thickness lower than that of the lower plate.
According to claim 2,
The sleeve is in the form of a steel pipe and has one or more through holes formed on its outer surface.
According to claim 5,
The through-hole of the sleeve is a bridge bearing with an anchor device capable of lifting and lowering, including a plurality of through-holes having different heights and directions.
According to claim 2,
A bridge bearing with an anchor device capable of lifting and lowering including being provided with a negative reaction force resistance plate larger than the diameter of the anchor socket at the lower end of the anchor socket.
According to claim 7,
The anchor socket is in the form of a steel pipe and has one or more through holes formed on its outer surface.
In the construction method using the bridge support to which the anchor device capable of lifting and lowering of paragraph 2 is applied,
Setting the height of the support anchor portion to a minimum by inserting the anchor socket into the sleeve as much as possible by rotating the steel rod of the support anchor portion attached to the lower plate of the bridge support in reverse; and,
A bridge support lifting step of lifting the bridge support and positioning it on the upper surface of the bridge substructure; and,
A bridge support positioning step of adjusting the position after leveling the bridge support installation position, installing a leveling bolt to adjust the height, seating the bridge support on the leveling bolt, and adjusting the position; and,
A support anchor unit supporting step of forwardly rotating the steel bar of the support anchor unit attached to the lower plate of the bridge support and drawing it out until the anchor socket inserted inside the sleeve is supported by the lower structure; and,
A reinforcing bar arrangement step of selectively arranging reinforcing bars around the installed support anchor portion; and,
A formwork installation step of installing a formwork around the substructure and the bridge support; And, pouring and curing step of curing by pouring concrete; A construction method using a bridge support with an anchor device capable of lifting and lowering, including being provided with.

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