KR20190007790A - Arch Type Bridgr Using Correction Device - Google Patents

Abstract

The present invention relates to a cantilever arch type pedestrian bridge using a three-dimensional construction error correction connecting device, which can construct a cantilever arch type girder by forming a three-dimensional construction error correction connecting device. According to a desirable embodiment of the present invention, the cantilever arch type pedestrian bridge comprises: a pile; a flow surface correction connecting plate; a height correction connecting device; a three-dimensional construction error correction connecting device; a steel beam; and a deck.

Description

[0001] The present invention relates to a cantilever type arch bridge using a three-

The present invention relates to a cantilever type archway bridge using a three-dimensional construction error correction connection device, and more particularly, to a three-dimensional construction error correction connection device capable of correcting a construction error without installing a separate coping on a file The present invention relates to a cantilever-type archway bridge that uses a three-dimensional construction error correcting coupling device capable of constructing an arch girder in the form of a cantilever.

Generally, the pile which transfers the load of the superstructure to the ground in the bridge generally has an error of position (~ 100mm) and verticality (~ 1 ° or more) at the time of construction by hovering or augering.

Therefore, in order to correct the construction error of such a substructure, the coping is made and the girder is installed thereon to correct the error. However, the construction cost of the copping is increased and the cost of the copping is increased. This was a difficult problem.

As a background technique of the present invention, there is a patent registration No. 0960891 entitled " Bicycle press bridge and its construction method "(Patent document 1). In the above-mentioned background art, 'a pile (10) installed in the ground; A steel copping bracket 20 installed to surround the upper portion of the foundation pile 10; (32a, 32b, semicircular) arranged opposite to each other to fix the steel coping bracket (20) on the upper side of the foundation pile (10) and welded to both ends of the semi-cylinders (32a, 32b) Ribs 34a and 34b formed in a triangular shape; And bolts 38 and nuts 39 that are inserted into the fastening holes 36a and 36b and are inserted into the fastening holes 36a and 36b of the fastening holes 36a and 36b formed in the ribs 34a and 34b, A fastening member (30) integrally connected to the foundation pile (10) by frictional force by reducing the bolt clearance of the bases (36a, 36b); A mold 40 having a plurality of H beams fixed to the upper surface of the steel coping bracket 20 by high tension bolts 42; A bottom plate 50 provided on the upper surface of the mold 40 and made of a concrete panel or a wooden deck; And a handrail (60) fixedly installed at both sides of the mold (40) at a certain height and end.

However, the background art has also been a cause of an increase in the construction cost of copping and installation, and it has been difficult to connect the coping with the pile, and it has been difficult to correct the construction error.

Patent No. 0960891 "Bridge for bicycle sidewalk and its construction method"

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems described above, and it is an object of the present invention to provide a three-dimensional construction error correcting connection device, It is possible to completely correct all the construction errors in the three-dimensional direction occurring in the field without installing the copings, and to form a triangular truss shape by constructing a three-dimensional construction error correcting connector and an arch girder on the upper part of the file, The present invention provides a cantilever type arch bridge using a three-dimensional construction error correcting connection device capable of enlarging a span length more than twice as compared with a universal continuous structure and capable of producing various scenes using an arched structure and capable of natural landscape design. have.

The present invention relates to a bridge structure, comprising: a file having a predetermined distance from a direction of travel of a bridge; A planar correction connection plate having a plurality of coupling holes formed in a plate shape of a predetermined size and passing therethrough; A height correction connection plate in which a plurality of coupling holes are formed at a position corresponding to a coupling hole of the plane correction coupling plate in a plate shape of a predetermined size, A height-correcting connection device formed of a protective cap formed by welding; A height compensating connector having a height compensating bolt at the bottom of the connecting plate and a flat compensating connecting plate coupled to the bolt between the flat compensating connecting plate and the height compensating connecting plate, And a coupling nut coupled with a bolt protruding from the upper portion of the plane correction coupling plate. The height adjustment coupling plate of the plane correction coupling plate and the height correction coupling unit are spaced apart from each other by a predetermined distance Dimensional construction error correcting coupling device including a height adjusting coupling member for coupling the height adjusting coupling device to the upper end of each file, A vertical member formed vertically on an upper portion of the girder connecting plate; a first end coupled to a lower end of the vertical member and the other end protruding in a direction perpendicular to the direction of travel of the bridge at the same height as the upper end of the vertical member; A horizontal girder configured to connect the upper end of the vertical member and the upper end of the arched girder in the horizontal direction, and a horizontal beam coupled to the upper portion of the horizontal girder to connect the horizontal girders in the horizontal direction of the direction of the bridge A steel beam; And a deck formed on an upper portion of the beam. The cantilever type arch bridge using the three-dimensional construction error correction connector is provided.

Also, the height correction connector is provided with a plurality of reinforcing members so as to connect the outer circumferential surface of the protective cap and the lower surface of the height correction connection plate, and to provide a cantilever type arch bridge using the three-dimensional construction error correction connector.

Also, the present invention provides a cantilever-type archway bridge using a three-dimensional construction error correcting connector, wherein the size of the plane correction connecting plate is formed to be larger than that of the girder connecting plate.

In addition, the file is a PHC file through which a hollow is formed through the central portion. In the three-dimensional construction error correcting connector, a concrete injection port is formed through the center of the height correcting connection plate and welded or bolted to the height correcting connection plate A reinforcing bar is formed so as to protrude to a lower portion of the height-correcting connection plate, and a finishing plate corresponding to the size of the hollow hollow section is coupled to the lower end of the reinforcing bar to insert the finishing plate and the reinforcing bar into the upper portion of the pile, And a cantilever type arch bridge using the three-dimensional construction error correcting connector, wherein the cantilever type arch bridge is constructed by filling concrete from the upper end of the pile to the finishing plate when concrete is injected through the injection port.

The cantilever type arch bridge using the three-dimensional construction error correcting connector of the present invention can construct an arch girder by constructing a three-dimensional construction error correcting connection device manufactured at the factory on the top of the file, In addition, it is possible to completely correct all the construction errors in the three-dimensional direction occurring in the field without installing separate copings, and to construct a three-dimensional construction error correcting connection device and an arch girder on the upper part of the file, It is possible to enlarge the span of the span more than twice as compared with the conventional continuous structure, and it is possible to design various scenes using an arched structure, which is very useful in designing natural scenery.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention, Shall not be construed as limiting.
1 is a perspective view of a cantilever type arch bridge using a three-dimensional construction error correcting connector of the present invention.
FIG. 2 is an exploded perspective view of a first embodiment of a three-dimensional construction error correcting connector according to the present invention.
3 is a sectional view of the coupled state of FIG.
4 is an exploded perspective view of a second embodiment of a three-dimensional construction error correcting connector according to the present invention.
5 is a cross-sectional view of the coupled state of FIG.
FIG. 6 is a cross-sectional view illustrating a coupling portion in a cantilever-type archway bridge using the three-dimensional construction error correcting connector of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto.

Hereinafter, the technical structure of the present invention will be described in detail with reference to the preferred embodiments.

The present invention relates to a three-dimensional construction error correcting and connecting device capable of correcting a construction error without installing a separate coping on a top of a file, thereby making it possible to construct a cantilever- It is about an arched pedestrian bridge.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a cantilever-type archway pedestrian bridge using a three-dimensional construction error correcting connector according to the present invention; FIG.

The cantilever type arch bridge using the three-dimensional construction error correcting connector of the present invention comprises a pile (200) spaced apart in the traveling direction of the bridge; A three-dimensional construction error correcting connector 100 configured at an upper end of the file 200; And a deck 400 formed on the upper part of the steel beam 300 and the steel beam 300 formed on the upper part of the three-dimensional construction error correcting and coupling device 100.

The cantilever type arch bridge using the three-dimensional construction error correcting connector of the present invention is constructed such that the file 200 is installed at a predetermined distance and the three-dimensional construction error correcting and coupling device 100 is installed on the top of the file 200 , And the steel beam 300 is installed on the upper part of the three-dimensional construction error correcting and coupling device 100.

The file 200 can use various files such as a steel pipe file PHC file and construct the file 200 by drilling the ground at a predetermined interval in the direction of the bridge progress. A residual file longer than the required file length is cut off at the top of the file.

The installation error correction connector 100 is coupled to the upper portion of each file 200.

FIG. 2 is an exploded perspective view of a first embodiment of a three-dimensional construction error correcting connector according to the present invention, and FIG. 3 is a sectional view of the coupled state of FIG.

As shown in FIGS. 2 and 3, the three-dimensional construction error correction interconnecting apparatus 100 of the present invention includes a plane correction connecting plate 120 for correcting an error of an x, y plane, A height adjustment coupling device 130 coupled to the upper portion of the file for correcting the level correction coupling device 130 and a height adjustment coupling device 130 for spacing a distance d between the plane correction coupling plate 120 and the height correction coupling device 130, (150).

The plane correction connecting plate 120 is formed in a plate shape having a predetermined size made of a steel material, and may have various shapes such as a square shape and a circular shape, but is preferably formed in a circular shape.

The lower end of the arcuate girder is positioned at the upper center of the plane correction coupling plate 120 and is coupled with a known method such as welding to provide a coupling surface with the arch girder, It is possible to adjust the position of the coupling portion on the upper surface so as to be able to combine the arch girder, thereby making it possible to correct the construction error in the horizontal direction (correction of errors in the x and y planes).

In addition, a coupling hole 121a having a plurality of threads is formed in the periphery of a central portion of the plane correction coupling plate 120 so as to be coupled with the height correction coupling device 130.

The height correction connector 130 includes a height correction connection plate 131 and a protection cap 132 coupled to a lower portion of the height correction connection plate 131.

The height correction connection plate 131 is formed in the shape of a plate having a predetermined size made of a steel material and is disposed at a position corresponding to the coupling hole 121a of the plane correction connection plate 120 for coupling with the plane correction connection plate 120 So that a plurality of engagement holes 131a are formed through the holes.

Since the protection cap 132 is coupled to the center of the lower surface of the height correction connection plate 131, the coupling hole 131a is formed in the outer height correction connection plate 131 to which the protection cap 132 is coupled do.

The protection cap 132 is configured to cover the upper portion of the pile, and is formed such that the upper end thereof is welded to the lower surface of the height correction connection plate 131 in a tubular shape having a predetermined length. The cross-section of the protective cap 132 may be circular, square, or the like, depending on the cross-sectional shape of the pile, and is preferably formed in a circular cross-section corresponding to the cross-section of the pile.

The protective cap 132 surrounds the inside or outside of the file and serves to reinforce the head of the file.

2 and 3, the plane correction coupling plate 120 and the height correction coupling device 130 are coupled to each other so as to be spaced apart by a predetermined distance by a height adjustment coupling member 150 to form a gap d , The height of the gap portion (d) is adjusted to correct the vertical error, and the transmission of the thermal stress generated when the welding is performed with the lower structure file can be blocked at the gap portion (d).

The height adjusting joining member 150 positions the height adjusting nut 152 in alignment with the coupling holes 121a and 131a between the plane correction coupling plate 120 and the height correction coupling plate 131, The height adjustment nut 152 and the plane correction connection plate 120 at the lower portion of the height correction connection plate 131 and the plane correction connection plate 120 The coupling nut 153 is fastened to the bolt 151 protruding from the upper portion.

At this time, the height of the height adjusting nut 152 is adjusted to adjust the height of the plane correction connecting plate 120, so that the height of the arched girder can be adjusted so that the construction error of the vertical direction (error correction in the vertical direction in the z axis) .

More specifically, the height correction connector 130 may include a plurality of reinforcing members 133 to connect the outer circumferential surface of the protective cap 132 and the lower surface of the height correction connection plate 131, The file head can be reinforced.

That is, the three-dimensional construction error correction connector 100 of the present invention corrects an error in the horizontal direction (x, y plane) in the plane correction connecting plate 120, (Z-axis direction) is corrected so that all three-dimensional construction errors can be corrected.

FIG. 4 is an exploded perspective view of a second embodiment of the three-dimensional construction error correcting connector of the present invention, and FIG. 5 is a sectional view of the coupled state of FIG.

In the case where the file is formed of a steel pipe, the construction error correcting connector 100 may be constructed such that the protective cap 132 is inserted into the upper part of the steel pipe file or covered on the outside, As shown in FIGS. 4 and 5, when the PHC file is formed, a separate reinforcing steel bar 134 and a finishing plate 137 are formed so that the reinforcing bars 134 And the finishing plate 137 may be inserted to pour the concrete to be joined.

4 and 5, a concrete injection port 135 is formed at the center of the height-correcting connection plate 131 so as to be penetrated through the concrete injection port 135, To be injected.

In addition, the reinforcement ribs 134 are formed to be coupled to the height-correcting connection plate 131 so as to protrude to the lower portion of the height-correcting connection plate 131, thereby acting as a shear reinforcement and reinforcing member for the concrete to be filled therein.

A finishing plate 137 having a predetermined size is coupled to the lower end of the reinforcing bar 134. The finishing plate 137 is formed to have the same size as the hollow cross section of the PHC pile, So that the hollow of the PHC file can be closed.

FIG. 6 is a cross-sectional view illustrating a coupling portion in a cantilever type arch bridge using a three-dimensional construction error correcting connector according to the present invention.

In the construction error correction connector 100, the protection cap 132 of the height correction connector 130 is coupled to the upper end of each file 200. In the case of a steel pipe file, The cap 132 is welded to the outer circumferential surface of the pile 200 and the protection cap 132 is placed on the top of the PHC pile 200 in the case of the PHC file 200 as shown in Fig. .

In particular, as shown in FIG. 7, in the case of the PHC file 200 having the hollow 210 formed therein, the three-dimensional construction error correcting and coupling device 100 has the concrete injection port 135 formed at the center of the height- And a reinforcing reinforcing bar 134 is formed so as to protrude by bolting or welding to the lower portion of the height correction connecting plate 131. The reinforcing reinforcing bar 134 is formed at the lower end thereof with a hollow 210 So that the finishing plate 137 and the reinforcing bar 134 are inserted into the hollow 210 at the upper portion of the pile 200 and the concrete injection port 135 Shrinkage concrete is injected through the upper portion of the pile 200 to fill the cage 110 from the upper end of the pile 200 to the finish plate 137 to cure and strengthen the pile 200 to effectively resist the maximum external moment generated at the upper end of the pile 200.

When the file 200 is installed on the ground by augering or hitching and cutting the height of the upper end of the planned file, a plane error and a vertical error of the file 200 are generated. Accordingly, the height of the plane correction connecting plate 120 and the height correction connecting device 130 can be adjusted by adjusting the height of the height adjusting nuts 152 and 153 of the height adjusting mating member 150, So that the error occurring when the file 200 is installed can be corrected.

The steel beam 300 is coupled to the upper portion of the construction error correcting connection device 100.

As shown in FIG. 1, the steel beam 300 includes a vertical member 350 having a girder connection plate 311 coupled to a lower end thereof, and an end portion coupled to a lower end of the vertical member 350 to protrude in a direction perpendicular to the direction A horizontal girder 320 configured to horizontally connect the upper end of the vertical member 350 with the upper end of the arched girder 310 and a horizontal girder 320 connecting the horizontal girders 320 to the horizontal And a crossbeam 330 connected in a direction.

The vertical member 350 includes a girder connection plate 311 having a predetermined size at a lower end thereof. The vertical member 350 is formed at regular intervals in the direction of the bridge, The girder 310 is constituted.

One end of the arched girder 310 is coupled to the lower end of the vertical member 350 and the other end of the arched girder 310 is formed to protrude in the direction perpendicular to the direction of travel of the bridge at the same height as the upper end of the vertical member 350.

At this time, the horizontal girder 320 is formed to connect the upper end of the vertical member 350 and the upper end of the arched girder 310 in the horizontal direction.

The horizontal beam 330 is coupled to the upper portion of the horizontal girder 320 so as to connect the horizontal girders 320 in the walking direction of the bridge.

The girder connection plate 311 is mounted on the upper portion of the plane correction connection plate 120 of the construction error correction connection apparatus 100 by using a device such as a crane and the girder connection plate 311 So that the plane correction connecting plate 120 is welded or bolted.

At this time, the girder connecting plate 311 moves freely in the x, y plane at the upper part of the plane correction connecting plate 120 to correct an error in the horizontal direction, Is formed to be larger than the size of the plane of the girder connecting plate 311, so that the construction error can be corrected.

6, the resistance of the bolt is proportional to the spacing distance L of bolt fastening from the center of rotation of the moment, so that the height of the height correction joint plate 130 and the plane correction joint plate 120 The bolt connection spacing distance L can be increased when the bolt connection distance is larger than the width of the girder connection plate 311 and the bolt connection distance L can be increased.

As shown in FIG. 1, a deck 400 is formed on the upper portion of the cross beam 330 to enable movement of the vehicle and the crowd.

The deck 400 may be formed of a wood deck mainly used for a sidewalk bridge, a concrete deck such as a cast concrete placed on the site, a PC deck, etc., and the deck 400 may be packed on the upper part.

A barrier wall or a guardrail may be formed on both sides of the deck 400 in the width direction.

The cantilever type arch bridge using the above-described three-dimensional construction error correcting connector of the present invention can construct an arch girder by constructing a three-dimensional construction error correcting connector manufactured in advance at a factory, It is possible to completely correct all the construction errors in the three-dimensional direction occurring on the site without installing separate copings and to construct a three-dimensional construction error correction connection device and an arch girder at the upper part of the file By forming the shape of the triangular truss, it is possible to enlarge the span of the span more than twice as compared with the conventional continuous structure, and it is possible to design various scenes using the arched structure, which is very useful in designing a natural landscape.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the above teachings. will be. The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

100: Three-dimensional construction error correction connector
120: Planar correction plate
130: height adjustment connector
131: height-compensating connecting plate
132: protective cap
133: Stiffener
134: Rebar
135: Concrete injection hole
137: Finishing plate
150: height adjusting member
151: Bolt
152: height adjustment nut
153: Coupling nut
200: File
300: steel beam
310: Arched girder
311: girder connection plate
320: Horizontal girder
330:
350: vertical member
400: Deck

Claims (4)

A file 200 configured to be spaced apart by a predetermined distance in a traveling direction of the bridge;
A planar correction connecting plate 120 having a plurality of engaging holes 121a formed in a plate shape of a predetermined size and passing therethrough;
A height correction connection plate 131 formed with a plurality of coupling holes 131a at positions corresponding to the coupling holes 121a of the plane correction coupling plate 120 in a plate shape having a predetermined size, And a protection cap (132) having an upper end welded to a lower surface of the height correction connection plate (131) in a tubular shape of a length;
A bolt 151 which is inserted through the coupling hole 131a of the height correction coupling plate 131 of the height correction coupling device 130 and the coupling hole 121a of the plane correction coupling plate 120 at the same time, A height adjustment nut 152 that is coupled to the bolt 151 between the connection plate 120 and the height correction connection plate 131 to adjust the height of the plane correction connection plate 120, And the coupling nut 153 is engaged with the bolt 151 protruding from the upper portion of the height correction coupling device 130. The height of the height correction coupling device 130, and a height adjustment joining member 150 that joins the upper and lower portions of the pile 200 so that the protective cap 132 of the height correction and connection unit 130 is overlapped and coupled to the upper end of each pile 200. [ A compensating coupling device (100);
And a vertical member 350 vertically formed on the upper portion of the girder connecting plate 1311. The vertical member 350 is coupled to the lower end of the vertical member 350 and the other end is connected to the vertical member 350 And an upper end of the vertical member 350 and an upper end of the arched girder 310. The horizontal girder 310 is connected to the upper end of the vertical member 350 and the upper end of the arched girder 310 in a horizontal direction, (300) coupled to the upper portion of the horizontal girder (320) to connect the horizontal girders (320) in the horizontal direction of the direction of the bridge;
And a deck (400) formed on the top of the beam (330). The cantilever type archway bridge using the three-dimensional construction error correcting connector. The method according to claim 1,
The three-dimensional construction error correcting connection device according to claim 1, wherein a plurality of reinforcing members (133) are formed to connect the outer circumferential surface of the protective cap (132) and the lower surface of the height correction connection plate (131) Cantilevered arch-shaped pedestrian bridge. The method according to claim 1,
And the size of the plane correction coupling plate 120 is larger than that of the girder coupling plate 311. The cantilever type arch bridge using the three-dimensional construction error correction coupling device. The method according to claim 1,
The file 200 is a PHC file through which a hollow 210 is formed through a central portion,
The three-dimensional construction error correcting and connecting device 100 is constructed such that a concrete injection hole 135 is formed at the center of the height correcting connection plate 131 and welded or bolted to the height correcting connection plate 131, A reinforcing bar 134 is formed so as to protrude to the lower portion of the reinforcing bar 131 and a finishing plate 137 corresponding to the size of a cross section of the circular hollow 210 is coupled to the lower end of the reinforcing bar 134,
The finishing plate 137 and the reinforcing bar 134 are inserted into the hollow 210 at the upper portion of the pile 200,
And a cantilever type arch bridge using the three-dimensional construction error correcting connector, wherein the concrete is injected through the concrete injection port (135) to fill the end plate (137) from the upper end of the pile (200).

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