KR100719523B1 - Prefabricated bridge using corrugated steel sheet and its construction method - Google Patents

Abstract

Disclosed are a prefabricated bridge using a corrugated steel sheet capable of quickly and easily constructing a bridge in a river and a construction method thereof. The prefabricated bridge includes a pair of foundation members installed parallel to each other on the bottom surface of the river. The corrugated steel sheet structure is assembled so that a plurality of corrugated steel sheets are formed to have an arcuate channel / path part, and both lower ends of the channel / path part are respectively coupled with the base member. The second installation members are formed at the inlet and outlet edges of the waterway / path part with the same curvature as the waterway / path part, and both ends thereof are horizontally bent to correspond to each other, and the wall members are coupled to each other in an upright state. . Due to this structure, a number of corrugated steel sheets are assembled to construct bridges through mutual coupling of each blocked member, so that the bridge can be quickly and easily constructed regardless of the season, thereby shortening the construction period and recycling construction materials. In addition to reducing the construction cost, it is possible to secure the safety and uniformity of the product due to each block member by the construction of the bridge by the mutual coupling of each member.

Corrugated Steel Sheet, Prefabricated Bridge

Description

ASSEMBLY-TYPE BRIDGE BY USING CORRUGATED STEEL PLATE AND METHOD FOR CONSTRUCTING THE SAME

1 is a perspective view of a prefabricated bridge using a corrugated steel sheet according to a first embodiment of the present invention,

2 is a front view of the prefabricated bridge using a corrugated steel sheet according to the present invention,

Figure 3 is a side view of the prefabricated bridge using a corrugated steel sheet according to the present invention,

4a to 4d is a view showing the construction process of the prefabricated bridge using the corrugated steel sheet shown in FIG.

5 is a front view of a prefabricated bridge using a corrugated steel sheet according to a second preferred embodiment of the present invention;

Figure 6 is a side view of the prefabricated bridge using the corrugated steel sheet shown in Figure 5, and

7a to 7d is a view showing the construction process of the prefabricated bridge using the corrugated steel sheet shown in FIG.

<Explanation of Signs of Major Parts of Drawings>

10,60: bridge 20: foundation member

22: scour prevention member 22A: vertical part

22B: horizontal portion 24: first mounting member

26: second mounting member 30: corrugated steel sheet structure

32: channel / path part 40: face wall member

42: face wall finishing member 50: face wall reinforcing means

52: face wall reinforcing member 54: reinforcing rod

54A: Threaded portion 54B: Nut

55: first connection ring 56: wire member

57: second connection ring 58: tension control member

The present invention relates to a prefabricated bridge using a corrugated steel sheet and a construction method thereof, and more particularly, to a corrugated steel sheet which can be quickly and easily constructed through the mutual assembly of each of the members blocked by a plurality of corrugated steel sheets are assembled. It relates to a prefabricated bridge used and its construction method.

In general, a bridge is a kind of structure that is constructed in rivers or rivers, and has been widely used since ancient times to provide roads for vehicles and people to cross rivers or rivers safely.

Such a conventional bridge is to form a pit to a predetermined depth so that a pit is formed on the bottom surface of the river, and then form a predetermined frame with formwork in the pit, and then fill the concrete in the form and cure to construct a post, It is completed through the construction process to support the plate of the block unit road on the top of the.

However, the conventional construction method of the bridge has the following problems.

First, the formwork is installed on the bottom of the river to form a predetermined frame, and the pillars are constructed by filling the formwork concrete and curing for a certain period of time for the strength of the concrete. The construction period is long, and there is a disadvantage in winter construction due to the curing of concrete.

Second, due to the nature of the construction materials can not be recycled because the construction cost increases, there is a problem that the economic efficiency is lowered.

Third, the construction of the pillar by forming a predetermined frame with formwork every time the construction of the bridge, and by supporting the plate of the road block in the upper part of the pillar, it is impossible to secure the safety and uniformity of the product during the construction of the bridge There is a problem that the value of the product falls.

The present invention has been made in order to solve the problems of the prior art as described above, the technical problem of the present invention by constructing a bridge through the mutual assembly of each of a number of corrugated steel plate is assembled and blocked, each, regardless of the season It is to provide a means to shorten the construction period by quickly and easily constructing bridges through assembly of members, to reduce construction costs by recycling construction materials, and to secure construction safety and uniformity of products.

The present invention for solving the above technical problem,

A pair of base members installed on both bottom surfaces of the river in parallel to each other;
A corrugated steel sheet structure in which a plurality of corrugated steel sheets are assembled to form an arcuate channel / path portion, and wherein both lower ends of the channel / path portion are coupled to the base member; And
The inlet / outlet edges of the waterway / path portion are formed with the same curvature as the waterway / path portion, and both ends thereof are horizontally bent so that the second installation members are installed to correspond to each other. It provides a prefabricated bridge using a corrugated steel sheet comprising a; 2 installation member.

Prefabricated bridge construction method using the corrugated steel sheet as described above,

Constructing a pair of base members to be parallel to each other on the bottom surface of the river; And assembling a plurality of corrugated steel sheets to form an arched channel / path portion, and constructing a corrugated steel sheet structure such that both lower ends of the channel / path portion are coupled to the base members, respectively. Combining the second installation members having the same curvature with the waterway / pathway at the inlet / outlet edges of the waterway / pathway so as to correspond to each other; And coupling the face wall members to the second installation member in an upright state.

Hereinafter, a prefabricated bridge using a corrugated steel sheet and a construction method thereof according to a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a prefabricated bridge using a corrugated steel sheet according to a first preferred embodiment of the present invention, Figure 2 is a front view of a prefabricated bridge using a corrugated steel sheet according to the present invention, Figure 3 Side view of the prefabricated bridge using the corrugated steel sheet according to the invention is shown, Figure 4a to 4d is a view showing the construction process of the prefabricated bridge using the corrugated steel sheet shown in FIG.

1 to 3, the prefabricated bridge 10 using a corrugated steel sheet according to a first embodiment of the present invention, a pair of foundation members 20 are installed in parallel to each other on the bottom surface of the river, A plurality of corrugated steel sheets are assembled so that an arcuate channel / path part 32 is formed to be perpendicular to the corrugated steel plate structure 30 and the channel / path part 32 of the corrugated steel plate structure 30 that are assembled to form a base member. Face wall members 40 are coupled to each other in one state, and face wall reinforcing means 50 for reinforcing the upright state of the face wall members 40.

At this time, the base member 20 may be formed of a concrete structure combined with reinforcing bar and concrete, or formed by assembling a plurality of corrugated steel sheets overlapping in the longitudinal direction, or may be formed of any civil structure. In the present embodiment, the base member 20 is formed by assembling a plurality of corrugated steel sheets. These base members 20 are respectively installed to be parallel to each other on the bottom bottom surface of the stream.

Both ends of the base member 20 in the longitudinal direction are combined with a scour prevention member 22 for preventing scour. One side of the scour prevention member 22 is formed with a horizontal portion 22A to be fixedly coupled to both ends of the base member 20, the other side is a vertical portion 22B bent perpendicularly to the horizontal portion 22A Is formed. The horizontal portions 22A of the scour prevention members 22 are respectively coupled to both ends of the base member 20, and the vertical portions 22B are embedded in the bottom surface of the river in a vertical state. At this time, the vertical portion 22B of the scour prevention member 22 is preferably embedded in the bottom surface of the river deeper than the scour depth.

Here, the scour is a technical term commonly used by those skilled in the art, and the water flowing by the flow velocity of the river is disturbed by the foundation of the structure, causing the water to rotate, thereby causing the vortex phenomenon. The bottom of the river is washed away, which is a pie phenomenon. If such scour becomes severe, damage due to abrasion of the foundation, as well as the bottom surface of the river is washed and thereby, the support strength of the foundation by the bottom surface of the river is weakened, the structure may be imbalanced.

The base member 20 is provided with a first installation member 24 having a section steel shape having a needle cross section b and a predetermined length, respectively. These first mounting members 24 are respectively coupled to the top surface of the base member 20 to correspond to each other in the longitudinal direction.

The corrugated steel sheet structure 30 is formed by assembling a plurality of corrugated steel sheets to form an arcuate channel / path part 32. Both lower ends of the corrugated steel sheet structure 30 are respectively coupled to the first installation member 24. The corrugated steel sheet structure 30 is not limited to an arc, but may be formed into a low arch, a high arch, a semicircle, a circle, a box, or the like.

At the inlet and outlet edges of the channel / path part 32, second needles 26 are formed to have the same curvature as the cross section and the channel / path part 32 so that both ends are bent horizontally. . The second installation member 26 is coupled to the inlet and outlet edges of the channel / path part 32 of the corrugated steel sheet structure 30 so as to correspond to each other.

In addition, the face wall member 40 has the same width and predetermined height as the second installation member 26, and a plurality of corrugated steel sheets are assembled to form the same curvature as the channel / path part 32 in the lower portion. These face wall members 40 are respectively positioned in the upright and inlet edge of the waterway / path part 32, and the lower end is coupled to the second installation member 26, respectively. Here, the face wall member 40 may be formed by assembling a plurality of corrugated steel sheets or a concrete structure in which reinforcing steel and concrete are combined. In the present embodiment, it is preferable that a plurality of corrugated steel plates are assembled and formed.

To the edge of the face wall member 40 is combined with a face wall finishing member 42 having a cross-section (a) cross-section for finishing.

And the surface wall reinforcing means 50 is for reinforcing the upright state of the surface wall members 40, the surface wall reinforcing members 52 are respectively coupled to correspond to each other in the longitudinal direction on the surface facing each other of the surface wall members 40 and A plurality of reinforcing rods 54 which are respectively coupled to the face wall member 40 through both ends of the face wall reinforcement member 52 and the face wall member 40 penetrate through the face wall member 40 so as to be disposed between the face wall reinforcement members 52. Include.

At this time, the surface wall reinforcing member 52 is formed to have the same length and cross-section (a) cross-section along the longitudinal direction of the surface wall member 40 is coupled to the surfaces facing each other of the surface wall member 40, respectively.

The reinforcing rods 54 have threaded portions 54A at both ends thereof, and the threaded portions 54A penetrate through the face wall reinforcing member 52 and the face wall member 40, respectively. The reinforcing rods 54 are disposed at equal intervals between the face wall reinforcing members 52, and are respectively located on the outer surface of the face wall reinforcing member 52 and the outer surface of the face wall member 40, the screw portion ( It is coupled to the face wall member 40 via nuts 54B, which are respectively coupled to 54A.

As the coupling means for coupling each member in the prefabricated bridge 10 configured as described above, bolts and nuts, rivets, welding, and the like may be used. In this embodiment, the coupling means is preferably coupled by bolts and nuts.

Referring to Figures 4a and 4d describes the construction process of the prefabricated bridge using a corrugated steel plate according to a first embodiment of the present invention.

First, as shown in Figure 4a, the bottom of both sides of the stream is evenly flattened, and then a plurality of corrugated steel plates on both sides of the bottom of the river in the longitudinal direction by overlapping the pair of base members 20 to be parallel to each other Construct it. The base member 20 may be constructed as a concrete structure or civil engineering structure combined with reinforcing bars and concrete.

At this time, the longitudinal scrubbing ends of the base member 20 to construct the scour prevention member 22 to prevent scour, respectively, the horizontal portion 22A formed on one side of the scour prevention member 22 is the base member 20 The vertical portion 22B, which is coupled to both ends of the bolt) and bent at right angles to the horizontal portion 22A, is buried deeper than the scour depth in the bottom surface of the river.

Water flowing by the flow rate of the river through the scrubbing member 22 is not in direct contact with the base member 20, the vertical portion 22B of the scour preventing member 22 deeper than the depth of scour depth Buried in the base member 20, as well as damage to the bottom surface of the river is prevented because scour is prevented.

Next, as shown in FIG. 4B, the first mounting member 24 having a shape of a steel having a cross section and a predetermined length is formed on the upper surfaces of the base members 20 in the longitudinal direction of the base member 20. Combine with bolts and nuts so that they correspond to each other. Then, a plurality of corrugated steel sheets are superimposed to form an arcuate channel / path part 32, and both lower ends of the channel / path part are coupled to the base member with bolts and nuts, respectively, to construct the corrugated steel plate structure 30.

Next, as shown in FIG. 4C, the channel / path part 32 of the corrugated steel sheet structure 30 has the same curvature as that of the cross section and the channel / path part 32 of the needle and b at the inlet and outlet edges. The second mounting members 26, both ends of which are bent horizontally, are respectively coupled with bolts and nuts. And the surface wall member 40 is formed by assembling a plurality of corrugated steel sheets so as to have the same width and predetermined height as the second installation member 26 and to have the same curvature as the channel / path part 32 at the lower portion thereof, The bottom wall of the member 40 is coupled to the second mounting member 26 in an upright state through a bolt and a nut to construct a face wall member 40. At this time, the surface wall closing member 42 having a cross-section (a) cross section for the finishing treatment on the edge of the surface wall member 40 is coupled to the bolt and nut, respectively.

Next, as shown in FIG. 4D, the surface wall reinforcing members 52 are formed to have the same length and cross-section A along the longitudinal direction of the surface wall member 40 so as to face each other of the surface wall members 40. Combine with bolts and nuts to correspond to each other along the longitudinal direction. And to form the reinforcing rods 54 are formed at both ends of the threaded portion (54A) through the face wall reinforcing member 52 to face each other and face wall member 40 so as to be disposed between the surface wall reinforcing members 52, The reinforcing rods 54 are attached to the face wall members 40 through the nuts 54B respectively positioned on the facing surfaces of the face wall reinforcing members 52 and the outer surfaces of the face wall members 40 and respectively coupled to the threaded portions 54A. Each assembly is completed when the construction of the surface wall reinforcing means 50, the bridge 10 is completed.

Between the face wall member 40 of the completed bridge 10, such as to fill the earth and sand, or to pave the asphalt.

Meanwhile, FIG. 5 is a front view of the prefabricated bridge using the corrugated steel sheet according to the second preferred embodiment of the present invention, and FIG. 6 is a side view of the prefabricated bridge using the corrugated steel sheet shown in FIG. 5. 7A to 7D illustrate a construction process of the prefabricated bridge using the corrugated steel sheet shown in FIG. 5.

5 and 6, the prefabricated bridge 60 using a corrugated steel sheet according to a second embodiment of the present invention, a pair of base members 20 are installed in parallel to each other on the bottom surface of the river, A plurality of corrugated steel sheets are assembled so that an arcuate channel / path part 32 is formed to be perpendicular to the corrugated steel plate structure 30 and the channel / path part 32 of the corrugated steel plate structure 30 that are assembled to form a base member. Face wall members 40 are coupled to each other in one state, and face wall reinforcing means 50 for reinforcing the upright state of the face wall members 40.

However, the prefabricated bridge 60 according to the second preferred embodiment of the present invention has the following differences in the structure of the prefabricated bridge 10 according to the first embodiment.

That is, the surface wall reinforcing means 50 in the present embodiment, the wire member 56 and both ends of which one end is respectively connected to the first connecting ring 55 formed on both upper sides of the corrugated steel sheet structure 30, respectively. The other end of the wire member 56 and the tension control member 58 is connected to each of the second connecting ring 57 is formed on the surface facing each other of the face wall member 40, respectively.

At this time, the first connecting ring 55 is formed on the upper both sides of the corrugated steel sheet structure 30 so as to be spaced apart from the surface wall member 40 at a predetermined interval, respectively, the second connecting ring 57 of the surface wall members 40 The upper surface wall members 40 are formed to face each other.

And tension control member 58 is made of a conventional turnbuckle.

The configuration other than the structure of the prefabricated bridge 60 according to the second preferred embodiment of the present invention configured as described above is the same as the prefabricated bridge 10 according to the first preferred embodiment of the present invention and will be omitted.

7A to 7D, the construction process of the prefabricated bridge using the corrugated steel sheet according to the second preferred embodiment of the present invention will be described below.

First, as shown in FIG. 7A, the bottom surfaces of both sides of the stream are evenly flattened, and then a plurality of corrugated steel sheets are assembled to be parallel to each other in parallel to each other in a longitudinal direction to overlap the bottom edges of the streams. Construct it. The base member 20 may be constructed as a concrete structure or civil engineering structure combined with reinforcing bars and concrete.

At this time, the longitudinal scrubbing ends of the base member 20 to construct the scour prevention member 22 to prevent scour, respectively, the horizontal portion 22A formed on one side of the scour prevention member 22 is the base member 20 The vertical portion 22B, which is coupled to both ends of the bolt) and bent at right angles to the horizontal portion 22A, is buried deeper than the scour depth in the bottom surface of the river.

Water flowing by the flow rate of the river through the scrubbing member 22 is not in direct contact with the base member 20, the vertical portion 22B of the scour preventing member 22 deeper than the depth of scour depth Buried in the base member 20, as well as damage to the bottom surface of the river is prevented because scour is prevented.

Next, as shown in FIG. 7B, the first mounting member 24 having a shape of a steel having a cross section and a predetermined length is formed on the upper surfaces of the base members 20 in the longitudinal direction of the base member 20. Combine with bolts and nuts so that they correspond to each other. Then, a plurality of corrugated steel sheets are superimposed to form an arcuate channel / path part 32, and both lower ends of the channel / path part are coupled to the base member with bolts and nuts, respectively, to construct the corrugated steel plate structure 30.

Then, as shown in Figure 7c, the channel / passage portion 32 of the corrugated steel sheet structure 30 is formed with the same curvature as the cross section and the channel / passage portion 32 of the needle (b) The second mounting members 26, both ends of which are bent horizontally, are respectively coupled with bolts and nuts. And the surface wall member 40 is formed by assembling a plurality of corrugated steel sheets so as to have the same width and predetermined height as the second installation member 26 and to have the same curvature as the channel / path part 32 at the lower portion thereof, The bottom wall of the member 40 is coupled to the second mounting member 26 in an upright state through a bolt and a nut to construct a face wall member 40. At this time, the surface wall closing member 42 having a cross-section (a) cross section for the finishing treatment on the edge of the surface wall member 40 is coupled to the bolt and nut, respectively.

Subsequently, as shown in FIG. 7D, the first connecting ring 55 is formed to be spaced apart from the surface wall members 40 at predetermined intervals on both sides of the corrugated steel sheet structure 30 to form the wire member 56. Connect one end of each. Then, the second connecting ring 57 is formed on the surfaces of the face wall members 40 facing each other, respectively, so that both ends of the wire member 56 and both ends of the tension adjusting member 58 are connected to the second connecting ring 57, respectively. And, by adjusting the tension of the wire member 56 by the tension adjusting member 58, when the surface wall reinforcing means 50 is constructed, the bridge 60 is completed. At this time, the tension adjusting member 58 is preferably made of a turnbuckle.

Between the face wall member 40 of the completed bridge 60, such as to fill the soil, or to pave the asphalt.

As described above, the prefabricated bridges using the corrugated steel sheet and the construction method according to the present invention by constructing the bridge by combining each of the plurality of corrugated steel sheet is assembled and blocked blocks, simple coupling of each member regardless of the season Through the construction of bridges quickly and easily, the construction period can be shortened, and construction costs can be improved by reducing construction costs through recycling of construction materials.

In addition, through the combination of each member to ensure the safety of the construction to improve the efficiency of the work, as well as to ensure the quality of the uniformity of the blocked product to improve the value of the product.

The present invention has been described in the above embodiments, but the present invention is not limited to the above-described embodiments, and those skilled in the art without departing from the gist of the present invention claimed in the claims. Anyone can make a variety of variations.

Claims (21)

A pair of base members installed on both bottom surfaces of the river in parallel to each other; A corrugated steel sheet structure in which a plurality of corrugated steel sheets are assembled to form an arcuate channel / path portion, and wherein both lower ends of the channel / path portion are coupled to the base member; And Second installation members are formed at the inlet and outlet edges of the waterway / path part to have the same curvature as the waterway / path part, and both ends thereof are horizontally bent to correspond to each other, and are respectively coupled to face wall members in an upright state. ; Prefabricated bridge using corrugated steel sheet, characterized in that it comprises. The prefabricated bridge using the corrugated steel sheet according to claim 1, wherein the base member is formed of a concrete structure in which rebar and concrete are combined. The prefabricated bridge using the corrugated steel sheet according to claim 1, wherein the base member is formed by assembling a plurality of corrugated steel sheets. The prefabricated bridge using the corrugated steel sheet according to claim 3, wherein the scour prevention members for preventing scour are respectively coupled to both ends in the longitudinal direction of the base member. The upper surface of the base member is coupled to each other so as to correspond to each other "L" shaped first mounting member having a predetermined length in the longitudinal direction, both lower end portions of the corrugated steel sheet structure to the first mounting member Prefabricated bridge using a corrugated steel sheet, characterized in that each is coupled. delete The prefabricated bridge using the corrugated steel sheet according to claim 1, wherein the face wall member is formed by assembling a plurality of corrugated steel sheets. The prefabricated bridge using the corrugated steel sheet according to claim 1, wherein the face wall member is formed of a concrete structure in which reinforcing steel and concrete are combined. The prefabricated bridge using the corrugated steel sheet according to claim 7 or 8, wherein the upper portion of the corrugated steel sheet structure is provided with surface wall reinforcing means for reinforcing the upright state of the face wall member. The method according to claim 9, The surface wall reinforcing means, Face wall reinforcing members are coupled to each other so as to correspond to each other in the longitudinal direction on the surface facing each other of the surface wall members; And A plurality of reinforcing rods respectively coupled to the face wall members through both face portions of the face wall reinforcing members facing each other of the face wall reinforcing members and penetrating through the face wall members to be coupled to the screw portions; Prefabricated bridge using corrugated steel sheet, characterized in that it comprises. The method according to claim 9, The surface wall reinforcing means, Wire members having one end connected to each of the first connection rings respectively formed on both upper sides of the corrugated steel sheet structure; And And a tension adjusting member having both ends connected to second connecting rings respectively formed on opposite ends of the wire member and the surface wall members facing each other, for adjusting tension of the wire member. Prefabricated bridge. Constructing a pair of base members to be parallel to each other on the bottom surface of the river; And Assembling a plurality of corrugated steel sheets to form an arcuate channel / path portion, and constructing a corrugated steel sheet structure such that both lower ends of the channel / path portion are coupled to the base members; Combining the second installation members having the same curvature with the waterway / pathway at the inlet / outlet edges of the waterway / pathway so as to correspond to each other; And And coupling the face wall members to the second installation member in an upright state, respectively. The prefabricated bridge construction method using corrugated steel sheet further comprises. The method of claim 12, wherein the base member is a prefabricated bridge construction method using a corrugated steel sheet, characterized in that made of a concrete structure combined with reinforcing bars and concrete. The method of claim 12, wherein the base member is a prefabricated bridge construction method using a corrugated steel sheet, characterized in that formed by assembling a plurality of corrugated steel sheet. 15. The method of claim 14, further comprising constructing scour prevention members for preventing scour at both ends in the longitudinal direction of the base member. 16. The method of claim 15, further comprising the steps of: installing the "L" shaped first mounting members each having a predetermined length in the longitudinal direction on the upper surfaces of the base members so as to correspond to each other; And And coupling both lower ends of the corrugated steel sheet structure to the first installation member, respectively. 2. delete 17. The prefabricated bridge according to claim 16, wherein the face wall member is formed by assembling a plurality of corrugated steel sheets. The prefabricated bridge using the corrugated steel sheet according to claim 16, wherein the face wall member comprises a concrete structure in which reinforcing steel and concrete are combined. The method according to claim 18 or 19, comprising the step of constructing the surface wall reinforcing means for reinforcing the upright state of the face wall members, the step of constructing the surface wall reinforcing means, Coupling face wall reinforcing members to face each other in a longitudinal direction on surfaces facing each other; And Coupling a plurality of reinforcing rods to each of the face wall members through the opposite ends of the face wall reinforcing members and the face wall members passing through the opposite ends of the face wall reinforcing members so as to be disposed between the face wall reinforcing members. Prefabricated bridge construction method using a corrugated steel sheet comprising a. The method according to claim 18 or 19, comprising the step of constructing the surface wall reinforcing means for reinforcing the upright state of the face wall members, the step of constructing the surface wall reinforcing means, Forming first connecting rings on both sides of the upper portion of the corrugated steel sheet structure, and connecting one end of the wire member to the first connecting ring, respectively; And Forming a second connection ring on each of the surface wall members facing each other, and connecting both ends of the tension control member to the other end of the wire member and the second connection ring, respectively; and including the corrugated steel sheet. Prefabricated bridge construction method using

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