KR20100009019A - Temporary bridge and method for constucting an temporary bridge - Google Patents

Abstract

PURPOSE: A temporary bridge using a deck plate and a construction method thereof are provided to improve convenience of assembly construction by facilitating position determination in assembly construction. CONSTITUTION: A temporary bridge using a deck plate comprises a girder(11), a deck plate(20a), and a fixed block(30). The girder is placed on the bridge post of a bridge. The deck plate is mounted on the upper flange(11b) of the girder. A convex part(26) and a concave part(28) are alternately formed at the both sides of the deck plate. The fixed block is formed on the upper flange of the girder at fixed intervals according to the longitudinal direction of the bridge. The fixed block is inserted into the convex part and the concave part and prevents the deck plate from being pushed.

Description

TEMPORARY BRIDGE AND METHOD FOR CONSTUCTING AN TEMPORARY BRIDGE}

The present invention relates to a temporary bridge using a perforated plate and a construction method thereof, and in particular, to form a perforated plate, which is a bottom plate composed of a steel plate and concrete, which crosses each other along both sides along the longitudinal direction of the bridge, and repeatedly forms convex portions and concave portions, and an upper portion of the girder. The safety of the bridge by manufacturing the girder assembly and the perforated plate at the factory to prevent the back and forth sliding of the perforated plate so that the fixed block spaced apart at a predetermined interval on the flange can be inserted between the convex portion and the concave portion of the perforated plate when interlocking the adjacent perforated plate. To secure,

At the same time, it is possible to ensure the convenience of assembling construction by facilitating the positioning during the assembling construction of the bridge, and to ensure the uniformity of the product by manufacturing the girder assembly and the perforated plate at the factory.

Furthermore, by means of fastening means capable of integrally combining the convex portions of the fixed block and the adjacent hollow plate, the temporary bridge using a cross-linked double plate, which further strengthens the safety of the temporary bridge by further strengthening the prevention of sliding in the front and rear directions of the hollow plate and It is about the construction method.

As is well known, a girder bridge is a bridge constructed in the horizontal direction and installs a girder (or a mold) between the piers (posts) to allow traffic of vehicles, etc. It is divided into type (I) girders and box girders.

After the girder bridge is installed between the piers, the cured board is lifted and the girder is placed on the girder or the concrete is poured to cure the finished board. However, such a construction method not only takes a lot of construction period, but also has many problems, such as a lot of on-site work, difficult construction and difficult construction quality depending on the work skill of the operator.

In order to solve this problem, techniques related to a perforated plate integrated girder assembly have been proposed. For example, the inventor of the present patent application filed a patent application of the 'reinforced plate and girder integrated temporary bridge' as of Feb. 05, 2007 and was registered as patent 739823.

However, since the girder assembly in which the perforated plate or the top plate is made integrally may cause a lot of difficulties in transportation from the factory to the construction site, it is advantageous in terms of transportation while taking advantage of the factory manufacturing, and furthermore, it is easy to assemble in the field. Bridges and construction methods are required.

The present invention has been made to solve the above problems,

In particular, the perforated plate, which is the bottom plate composed of steel plate and concrete, is alternately formed on both sides along the lengthwise direction of the bridge, and the convex part and the concave part are repeatedly formed, and the fixing block spaced apart at predetermined intervals from the upper flange of the girder is connected to the staggered coupling of the adjacent perforated plate. The girder assembly and the perforated plate are manufactured at the factory so that they can be inserted between the convex portion and the concave portion of the perforated plate at the factory to prevent the back and forth rolling of the perforated plate to secure the safety of the bridge, and at the same time, to facilitate the positioning during the assembly and construction of the bridge. Can ensure the convenience of assembly and construction,

In addition, it is an object of the present invention to provide a temporary bridge and a construction method using a staggered double plate to ensure the uniformity of the product by manufacturing the girder assembly and the double plate in a factory.

Furthermore, the construction of temporary bridges and constructions using interlocking double plates to secure the safety of temporary bridges by preventing the sliding phenomenon in the front and rear directions of the double holes by fixing means that can integrally combine the convex parts of the adjacent double holes with the fixed block. It is another object to provide a method.

The hypothetical bridge using the staggered perforated plate according to the present invention

Girders arranged side by side on the bridge piers; A perforated plate mounted on the upper flange of the girder and having a plurality of convex portions and concave portions on both sides; And spaced apart from the upper flange of the girder along a longitudinal direction of the bridge at a predetermined interval, and inserted between the convex portions and the concave portions when interlocking the adjacent perforated plates are interposed therebetween, thereby preventing forward and backward movement of the perforated plates. At the same time, the fixing block to facilitate the positioning to ensure the ease of assembly construction.

And it is preferable that the concave portion in the porous plate is formed wider than the area of the convex portion,

More preferably, the maximum separation distance of the adjacent fixed blocks with respect to the longitudinal direction of the bridge is shorter than the forming distances on both sides of the concave portion, and at the same time, the shortest separation distance of the adjacent fixed blocks is formed longer than the forming distances at both ends of the convex portion. It is done.

Furthermore, there is further provided a sliding prevention means for preventing the phenomena of the sliding of the perforated plate by integrally connecting the convex portion of the fixing block and the adjacent perforated plate,

The rolling preventing means includes an insertion groove formed in the upper surface of the fixing block, a coupling groove formed in the same line as the insertion groove in the adjacent perforated plate, and a clasp-shaped rolling prevention piece mounted to the insertion groove and the coupling groove. It is preferable to comprise.

In addition, there is further provided a coupling means for fastening the fixing block located between the convex portions of the adjacent perforated plate,

The coupling means includes a hollow formed in each of the convex portions, a fastening hole formed at both sides of the hollow portion, a coupling hole formed to be in the same line as the fastening hole in the fixed block, and fastening through the fastening hole and the coupling hole. It is preferable to include a fastening bolt to.

On the other hand, the construction method of the temporary bridge using a staggered double plate according to the present invention

A first step of forming a perforated plate by placing reinforcing concrete to reinforce steel in a steel sheet formed with a plurality of convex portions and concave portions arranged on both sides along a longitudinal direction of the bridge; A second step of forming a girder assembly by a horizontal reinforcing member connecting the sides of two or more 'I' girders; Connecting a plurality of fixed blocks to an upper flange of each girder of the girder assembly along a longitudinal direction of the bridge; And a fourth step of engaging the convex portion and the concave portion of the adjacent perforated plate between the fixing blocks of the girder assembly. And a fifth step of mounting the staggered perforated plate-coupled joder assembly formed in the staggering coupling step to the piers.

By the temporary bridge using the staggered double plate according to the invention and the construction method

In particular, the perforated plate, which is the bottom plate composed of steel plate and concrete, is alternately formed on both sides along the lengthwise direction of the bridge, and the convex part and the concave part are repeatedly formed, and the fixing block spaced apart at predetermined intervals from the upper flange of the girder is connected to the staggered coupling of the adjacent perforated plate. The girder assembly and the perforated plate are manufactured at the factory to be inserted between the convex portion and the concave portion of the perforated plate at the factory to prevent the back and forth rolling of the perforated plate to secure the safety of the bridge.

At the same time, it is possible to ensure the convenience of assembling construction by facilitating the positioning during the assembling construction of the bridge, and also to ensure the uniformity of the product by manufacturing the girder assembly and the perforated plate at the factory.

Furthermore, by means of fastening means capable of integrally combining the convex portions of the fixing block and the adjacent hollow plate, it is possible to further strengthen the safety of the temporary bridge by more firmly preventing the sliding of the hollow plate in the front and rear directions.

In addition, the coupling means for further solidifying the coupling of the perforated plate and the fixed block is formed to ensure the coupling reliability of the adjacent perforated plate and the fixed block.

Hereinafter, with reference to the accompanying drawings, the construction bridge and the construction method using a staggered perforated plate according to the present invention,

1 is a perspective view showing a girder assembly of a temporary bridge using a cross-bending plate according to the present invention,

2 to 4 is a perspective view showing a process of assembling the fixed block and the perforated plate connected to the girder assembly according to the present invention,

5 is a perspective view showing a girder assembly for the rolling prevention means according to the invention,

6 to 8 is a perspective view showing a process of assembling the rolling prevention means according to the invention,

9 is a view showing a coupling means according to the present invention,

10 is a perspective view showing the fastening of the coupling means according to the present invention;

11 is a flowchart showing a method for constructing a temporary bridge using a staggered perforated plate according to the present invention.

As shown in Figures 1 to 4 the hypothetical bridge using a staggered double plate according to the present invention is

Girders 11 arranged side by side on the bridge piers; A perforated plate 20a mounted on the upper flange 11b of the girder 11 and having a convex portion 26 and a concave portion 28 alternately formed on both sides; And spaced apart from the upper flange 11b of the girder 11 at predetermined intervals along the longitudinal direction of the bridge, and the convex portion 26 and the concave portion 28 are interlocked with each other when the adjacent double hole plates 20a are interlocked with each other. It is inserted between the) to prevent the front and rear rolling of the perforated plate (20a), and at the same time easy positioning to ensure the convenience of assembly construction;

As shown in FIG. 1, in the hypothetical bridge using a staggered perforated plate according to the present invention, the girder 11 is

It is arranged side by side on the bridge pier, and the girder 11 may be installed in the I-girder 11 according to the width of the bridge, that is, the width of the road surface, in this case the girder 11 and the girder 11 The girder assembly 10 is configured by connecting the girder 11 and the girder 11 by a horizontal reinforcement member 13 to more stably support the girder 11.

The girder 11 has an upper flange 11b and a lower flange 11c arranged at an upper portion thereof, and the upper flange 11b and the lower flange 11c are connected to each other by a web 11a of an I-shaped steel. It is

The girder assembly 10 is configured by integrally fastening the bottom plate 10 in which the steel plate 22 and the concrete 21 are combined.

In the temporary bridge according to the present invention as shown in Figures 2 to 4, the perforated plate 20a is

Steel composite composite plate 20a is a composite of the concrete 21 and the steel plate 22, is reinforced by reinforcing steel on the steel plate 22 is formed by pouring the concrete 21,

In addition, although not shown in the accompanying drawings, it is preferable that the shear connection member is formed between the steel plate 22 and the concrete 21 to increase the bonding strength.

Furthermore, the perforated plate 20a according to the present invention may be manufactured to connect the electric field along the longitudinal direction of the bridge, but is segmented and formed to have a certain length for ease of rapid assembly construction and dismantling work due to the characteristics of the temporary bridge. Is preferable,

The bottom plate 10 will be described below by specifying it as a perforated plate 20a.

The perforated plate 20a according to the present invention is mounted on the upper flange 11b of the girder 11, and the convex portion 26 and the concave portion 28 are alternately formed on both sides.

The perforated plate 20a is formed by placing reinforcing bars on the steel plate 22 formed with the convex portion 26 and the concave portion 28 staggered in the longitudinal direction of the bridge and casting and curing the concrete 21 on both sides thereof. It is possible to increase the cross-sectional rigidity of 20a).

That is, when the convex portion 26 is formed on one side along the longitudinal direction of the perforated plate 20a, the concave portion 28 is formed on the other side thereof, and when the concave portion 28 is formed on the other side, the other side is formed. The convex part 26 and the concave part 28 of the said perforated plate 20a are repeated alternately in the zigzag form in which the convex part 26 is formed in the side.

In addition, the concave portion 28 in the perforated plate 20a is formed to be wider than the area of the convex portion 26, which is considered to be easy to be assembled in consideration of the separation distance between the fixed block 30 to be described below This is to secure the safety of the bridge by preventing the rolling in the front and rear directions of the porous plate 20a.

And the perforated plate 20a connected to the girder assembly 10 is installed between the girder 11 and the girder 11, in this case formed in the width direction of the bottom plate 20 toward both sides downward Protruding portion 24 is formed, it is possible to increase the cross-sectional rigidity at both ends of the bottom plate (20).

As shown in Figures 1 to 4 in the temporary bridge using a staggered double plate according to the present invention, the fixed block 30 is

The convex part 26 and the concave part 28 are formed in the upper flange 11b of the girder 11 at predetermined intervals along the longitudinal direction of the bridge, and are interlocked with each other in the interlocking plate 20a adjacent thereto. Is inserted in between to prevent the back and forth rolling of the perforated plate 20a, and at the same time to facilitate the positioning to ensure the ease of assembly construction,

To this end, the fixed block 30 has a maximum separation distance of the adjacent fixed block with respect to the longitudinal direction of the bridge is shorter than the forming distance on both sides of the concave portion, and at the same time the shortest separation distance of the adjacent fixed block is longer than the forming distance of both ends of the convex portion. Is formed.

That is, as described above, the concave portion 28 of the perforated plate 20a is formed to be wider than the area of the convex portion 26, and two adjacent fixing blocks 30 are interlocked with the perforated plate 20a. Space is formed on both sides by the combination of the concave portion 28 to the two convex portion 26, the fixing block 30 adjacent to the space is inserted,

In this case, the maximum separation distance of the adjacent fixing block 30, that is, the distance from the outside of one fixing block 30 to the outside of the other fixing block 30 adjacent to the forming distances on both sides of the recess 28 Equal or short,

In addition, the shortest separation distance of the adjacent fixed block 30, that is, the distance from the inside of one fixed block 30 to the inside of another adjacent fixed block 30 is the same as the forming distance of both ends of the convex portion 26 Or formed long,

When assembling and constructing the perforated plate 20a and the fixed block 30, the assembly can be easily and easily assembled without any position adjustment, and thus the assembling can be easily and easily performed.

It is possible to secure the safety of the bridge by preventing the back in the front and rear direction of the porous plate 20a.

Furthermore, in the hypothetical bridge using a staggered double plate according to the present invention as shown in Figures 5 to 8,

The fixing block 30 and the convex portion 26 of the adjacent perforated plate (20a) is integrally connected to further prevent the sliding means 40 for preventing the rolling in the front and rear direction of the perforated plate (20a),

The rolling preventing means 40 is an insertion groove 32 formed in the upper surface of the fixing block 30, the coupling groove 29 formed in the same line as the insertion groove 32 in the adjacent perforated plate (20a), And it comprises a clasp-shaped rolling prevention piece 42 which is mounted to the insertion groove 32 and the coupling groove 29.

That is, the anti-roll piece 42 of the anti-roll means 40 is formed in a wedge shape at both ends thereof with a clasp shape of 'c', and the anti-roll piece 42 is adjacent to the fixing block 30 and the adjacent perforated plate. Each convex portion 26 of 20a is integrally connected,

At this time, the anti-roll piece 42 is located on the upper portion of the fixing block 30, the insertion groove 32 is formed on the upper surface of the fixed block 30, the anti-roll piece 42 is seated The anti-rolling piece 42 can be prevented from protruding upward of the cavity plate 20a.

In addition, although not shown in the accompanying drawings, it is preferable to insert a simple rate (not shown) between the perforated plate 20a and each of the fixing blocks 30 to further ensure the safety of the bridge.

In addition, a coupling groove 29 is formed on the convex portion 26 of the adjacent perforated plate 20a on the same line as the insertion groove 32, so that both wedge-shaped ends of the rolling prevention piece 42 are inserted. By connecting the perforated plate 20a and the fixing block 30 integrally, it is possible to prevent the sliding phenomenon in the front and rear direction of the perforated plate 20a, thereby ensuring the safety and coupling reliability of the temporary bridge.

And when the convex part 26 and the concave part 28 of the adjacent perforated plate 20a or the concave part 28 and the convex part 26 are combined, the convex part 26 of the said perforated plate 20a is the said girder Since it is mounted on the entire portion of the upper flange (11b) of (11), it is formed to minimize the risk of separation and separation between the adjacent perforated plate (20a).

In addition, as shown in Figures 9 and 10 in the hypothetical bridge using the intersecting double plate 20a according to the present invention,

Coupling means 50 for fastening the convex portion 26 of the adjacent perforated plate 20a and the fixing block 30 located therebetween are further provided to couple the perforated plate 20a and the fixed block 30 to each other. To ensure more reliability,

The coupling means 50 is a hollow portion 27 formed in each convex portion 26 of the porous plate 20a, a fastening hole 27a formed on both sides of the hollow portion 27, and the fixed block 30 It includes a coupling hole 34 formed to be located on the same line as the fastening hole (27a), and a fastening bolt 12 for fastening through the fastening hole (27a) and the coupling hole (34).

That is, the hollow portion 27 is formed in each convex portion 26 of the perforated plate 20a, and the hollow portion 27 reinforces the rebar on the steel plate 22, the perforated plate 20a, so that the concrete 21 When it is formed by curing, the convex portion 26 of the perforated plate 20a is formed of only the steel plate 22 so that the concrete 21 is not poured, and the hollow portion 27 and the fixed block 30 are formed. The fastening holes 27a and the coupling holes 34 are formed to penetrate by the fastening bolts 12 so as to be positioned on the same line.

Therefore, the fastening hole 27a is formed in the convex part 26 of the adjacent perforated plate 20a, and the fastening bolt 12 is connected to the coupling hole 34 of the broken block formed on the same line as the fastening hole 27a. By fastening and fixing by, it is possible to further secure the coupling reliability by connecting the adjacent perforated plate 20a and the fixed block 30 firmly.

Meanwhile, as shown in FIG. 11, the method of constructing a temporary bridge using a staggered perforated plate according to the present invention is as follows.

The first step (S1) of forming a perforated plate (20a) by placing the cured concrete by placing reinforcement on the steel plate 22 formed of a plurality of convex portion 26 and the concave portion 28 on both sides along the longitudinal direction of the bridge ;

A second step S2 of forming a girder assembly 10 by a horizontal reinforcing member 13 connecting sides of two or more 'I' type girders 11;

A third step (S3) of connecting a plurality of fixing blocks (30) to the upper flanges (11b) of each girder (11) of the girder assembly (10) along the longitudinal direction of the bridge; And

A fourth step (S4) of interlocking the convex portion 26 and the concave portion 28 of the adjacent perforated plate 20a between the fixing blocks 30 of the girder assembly 10; And

And a fifth step (S5) of mounting the girder assembly coupled to the staggered aperture plate (20a) formed in the fourth step (S4).

In the temporary bridge construction method using the staggered double hole plate 20a according to the present invention,

First, the first step (S1) to produce a steel plate 22 formed with a plurality of convex portion 26 and the concave portion 28 on both sides along the longitudinal direction of the bridge, and then to the reinforcement to the steel plate 22 By placing the cured by placing the concrete 21 is to produce a perforated plate (20a),

In this case, in order to firmly bond the steel plate 22 and the concrete 21, it is preferable that a plurality of shear connection members are installed on the upper portion of the steel plate 22.

Next, the second step (S2) is to form a girder assembly 10 by fixing the horizontal reinforcing member 13 connecting the sides of the two or more 'I' type girder 11, respectively, by a coupling method such as welding. do.

And the third step (S3) is fastened a plurality of fixing blocks 30 to the upper flange (11b) of each girder 11 of the girder assembly 10 along the longitudinal direction of the bridge by welding or shear connector material or the like. In this case, the fixed block 30 is formed at regular intervals.

In the fourth step S4, the convex portion 26 and the concave portion 28 of the adjacent perforated plate 20a are interposed between the fixing blocks 30 of the girder assembly 10, that is, the girder The convex portions 26 of the adjacent perforated plates 20a are formed in the space 28a in which the adjacent convex portions 26 of the perforated plates 20a are inserted between the fixed blocks 30 adjacent to each other in the longitudinal direction. ) Are intertwined and combined.

Finally, the fifth step (S5) is to lift the interlocking coupled hole plate 20a and the girder assembly (10) formed in the fourth step (S4) to be mounted on the pier to install the temporary bridge.

In the above description with reference to the accompanying drawings, the present invention, the assembled bridge and the construction method of the present invention has been described with reference to a specific shape and direction, the present invention can be variously modified and changed by those skilled in the art, such variations and modifications are It should be construed as being included in the scope of the invention.

1 is a perspective view showing a girder assembly of a temporary bridge using a cross-bending plate according to the present invention,

2 to 4 is a perspective view showing a process of assembling the fixed block and the perforated plate connected to the girder assembly according to the present invention,

5 is a perspective view showing a girder assembly for the rolling prevention means according to the invention,

6 to 8 is a perspective view showing a process of assembling the rolling prevention means according to the invention,

9 is a view showing a coupling means according to the present invention,

10 is a perspective view showing the fastening of the coupling means according to the present invention.

11 is a flowchart showing a method for constructing a temporary bridge using a staggered perforated plate according to the present invention.

<Explanation of Signs of Major Parts of Drawings>

10 girder assembly 11 girder

11a: Web 11b: Upper Flange

11c: Lower Flange 12: Tightening Bolt

13: horizontal reinforcement member

20: bottom plate 20a: perforated plate

21: concrete 22: steel sheet

24: protrusion 26: convex

27: hollow part 27a: fastening hole

28 concave portion 28a: space portion

29: coupling groove

30: fixed block 32: insertion groove

34: coupling hole

40: jungle prevention means 42: jungle prevention piece

50: coupling means

Claims (8)

Girders arranged side by side on the bridge piers; A perforated plate mounted on the upper flange of the girder and having a convex portion and a concave portion alternately formed at both sides thereof; And It is formed along the longitudinal direction of the bridge spaced apart at a predetermined interval on the upper flange of the girder, is inserted between the convex portion and the concave portion when the interlocking of the adjacent perforated plate interlocked, and prevents the back and forth sliding of the perforated plate at the same time, Temporary bridge using a staggered perforated plate comprising a; fixed block to facilitate positioning to ensure the convenience of assembly construction. The method of claim 1, wherein The concave portion is a temporary bridge using a cross-bending plate, characterized in that formed larger than the area of the convex portion. The longitudinal direction of the bridge according to claim 2 The maximum separation distance of the adjacent fixed block is shorter than the forming distance on both sides of the concave portion, and at the same time the shortest separation distance of the adjacent fixed block is formed longer than the forming distance of the both ends of the convex portion, the temporary bridge using a staggered perforated plate. The method according to any one of claims 1 to 3, Temporary bridges using interlocking double plate is characterized in that further comprises a preventing means for preventing the phenomena of the push-through plate by connecting the convex portions of the perforated plate adjacent to the fixed block. The method of claim 4, wherein the rolling prevention means An insertion groove formed on an upper surface of the fixing block; The adjacent perforated plate has a coupling groove formed on the same line as the insertion groove, and A temporary bridge using a staggered double grating plate, characterized in that it comprises a clasp-shaped anti-roll piece mounted to the insertion groove and the coupling groove. The method according to any one of claims 1 to 3, And a coupling means for fastening the convex portion of the adjacent perforated plate and the fixing block located therebetween. The method of claim 6, wherein the coupling means A hollow portion formed in the convex portion of the perforated plate, Fastening holes formed on both sides of the hollow part, A coupling hole formed in the fixing block to be in the same line as the fastening hole, and Temporary bridge using a staggered double plate, characterized in that it comprises a fastening bolt for fastening through the fastening hole and the coupling hole. A first step of forming a perforated plate by placing reinforcing concrete to reinforce steel in a steel sheet formed with a plurality of convex portions and concave portions arranged on both sides along a longitudinal direction of the bridge; A second step of forming a girder assembly by a horizontal reinforcing member connecting the sides of two or more 'I' girders; Connecting a plurality of fixed blocks to an upper flange of each girder of the girder assembly along a longitudinal direction of the bridge; And A fourth step of engaging the convex portion and the concave portion of the adjacent perforated plate between the fixing blocks of the girder assembly; And And a fifth step of mounting the staggered bipolar plate-coupled joder assembly formed in the staggering coupling step on a piers.

Images