KR101875476B1 - Wooden Bridge Structure for Biosphere Preservation and a Construction Method Thereof - Google Patents

Abstract

The present invention relates to a wood bridge structure for biosphere conservation, comprising: a plurality of base H beams longitudinally installed in a longitudinal direction of a bridge on a pier or an alternation; A plurality of reinforced H beams disposed at regular intervals between the base H beams; A plurality of column holding members arranged at regular intervals above the basic H beam; A foot member structure coupled to the base H beam and including a plurality of foot members disposed in a direction perpendicular to the base H beam, a perforated plate coupled to a lower side of the foot member, and a perimeter structure coupled to a lower side of the perforated plate; And a strut to be engaged with and coupled to the upper side of the strut fixing member.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wood bridge structure for preserving a biosphere,

The present invention relates to a bridge structure made of wood and a construction method thereof.

More particularly, the present invention relates to a wooden bridge structure including a structure for biosphere conservation and a construction method thereof.

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Generally, a wooden bridge structure to be installed in a park or a garden of an apartment is constructed such that a foot member made of synthetic wood is continuously installed on an upper portion of an H beam arranged laterally and vertically on a pier or an alternation.

As one of such bridge structures, a wooden deck bridge structure and a construction method thereof are disclosed in Patent Publication No. 10-1066424.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of a conventional wooden deck bridge structure, which is composed of an H beam and is assembled in a longitudinal direction and a transverse direction of a bridge, A plurality of angular tubes installed in the longitudinal direction of the bridge at the upper portion of the beam structure; An upper plate member arranged in a horizontal direction of the bridge at the upper portion of each of the tubes to constitute an upper portion of the bridge and being screwed to each of the tubes; A side plate member made of wood and vertically installed at a lower portion of the upper plate member, the side plate members being installed on side surfaces of the beam structure and the respective pipes to form both side surfaces of the bridge; The H beam and the side plate members are respectively disposed at the upper and lower corner portions where the H beam and the side plate members closely contact with each other, and the side plate members are assembled A reinforcing member made of an L-shaped steel structure so as to be able to support the steel plate; And a fastening member for fixing the side plate member to the reinforcing member.

1, there is provided a pair of main beams 21 arranged long in the longitudinal direction of the bridge, a plurality of reinforcing beams 25 arranged at regular intervals between the main beams 21, And a plurality of pipes 30 are installed on the upper side of the main beam 21 and the reinforcing beam 25 in the longitudinal direction of the bridge. And the upper plate member 40 is arranged continuously in the longitudinal direction.

In addition, the railing structure 50 is vertically erected on the upper part of the upper plate member 40 at regular intervals.

However, according to the conventional technique, the plurality of the upper tubes 40 are arranged so as to be orthogonal to the tubes 30, The upper plate member 40 having a plurality of the upper plate members 40 is separately provided and is damaged at a portion where a concentrated load is generated by a user or an object, There is a problem in that it is vulnerable to a safety accident such as disconnection.

In addition, since the upper plate member is fixed to each tube from the upper side, it is somewhat inferior in appearance.

On the other hand, there is also a problem in the method of construction. That is, in the method of constructing a bridge of the prior art, first, each bridge is longitudinally provided with a beam structure after the beam structure as a basic structure of the bridge, And welded to the beam structure. Then, the upper plate members are installed on the bridge in the lateral direction, and the side plate members are provided on the sides of the beam structure and each pipe. Finally, the side plate members are assembled to the reinforcing members by using the locking members for preventing the loosening, respectively, provided on the upper and lower sides of the sides of the beam structure. The conventional method of constructing a wooden bridge is required to perform all the processes on the site because of its characteristics. However, there is a problem that the air is lengthened due to a long working time in the field, and inconvenience is also incurred to users such as a park where a bridge is installed.

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Patent Registration No. 10-1066424 (September 15, 2011)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a wooden bridge structure capable of reducing the occurrence of safety accidents when using bridges.

Further, it is an object of the present invention to provide a wooden bridge structure having a more improved appearance.

It is another object of the present invention to provide a method of constructing a wooden bridge structure that can minimize the inconvenience of the park user by shortening the working period.

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In order to achieve the above object, one embodiment of the present invention is a wood bridge structure for biosphere conservation according to the present invention, comprising: a plurality of base H beams longitudinally installed in a longitudinal direction of a bridge on a pier or an alternation; A plurality of reinforced H beams disposed at regular intervals between the base H beams; A plurality of column holding members arranged at regular intervals above the basic H beam; A foot member structure coupled to the base H beam and including a plurality of foot members disposed in a direction perpendicular to the base H beam, a perforated plate coupled to a lower side of the foot member, and a perimeter structure coupled to a lower side of the perforated plate; And a strut that is fitted on and coupled to the upper side of the strut fixing member.
In this case, it is preferable to further include a plurality of side plate members provided on the side of the base H beam to the outside of the wooden bridge structure, and the side plate members have cutouts on both upper and lower ends of the upper side meeting with the column holding member, And the lower side may be provided to enclose a part of the lower side of the strut fixing member.
Meanwhile, the column holding member is formed with an opening on the upper side. The column holding member is provided with a protrusion protruding upward in the middle of the bottom surface. The holding column is formed with a fitting groove, And the fitting groove of the supporting member can be fitted and joined to the projection of the column holding member.
Furthermore, the foot member structure may further include a footrest fixing bracket including a bracket upper portion and a bracket side portion, wherein the bracket upper portion is engaged with the upper surface of the foot member end portion, and the bracket side portion is coupled to the each pipe structure.
On the other hand, the pipe structure includes a long side portion and a short side portion; A tube reinforcing member arranged side by side along the long side portion and connecting the short side portions facing each other; A foot member fastening portion coupled to at least one of the inside of the long side portion, the inside of the short side portion, and both sides in the longitudinal direction of the tubular reinforcing member, and having a plurality of through holes; And a cutout portion formed to be bent inward at each of the four corners of the pipe structure.
According to another aspect of the present invention, a method for constructing a wood bridge structure for biosphere conservation according to the present invention includes: a plurality of base H beams extended in the longitudinal direction of a bridge on a pier or an alternation; A plurality of reinforced H beams disposed at regular intervals between the base H beams; And a plurality of column fixing members arranged at regular intervals above the basic H beam, the method comprising: coupling a perforated plate on the upper side of each pipe structure; Disposing a foot member on the perforated plate; Coupling the foot pipe member to the foot pipe member by connecting the foot pipe fastening member to the foot plate member from the lower side to the upper side of the each pipe structure; And coupling a footrest securing bracket to the longitudinal end of the foot member and the cannulated structure; A step of assembling a foot member structure including the pedestrian member structure including the pedestrian member structure and a step of joining the pedestrian member structure to the pedestrian member structure;
Wherein the perforated plate has a plurality of through holes, and the footrest fastening member is passed through the plurality of through holes.
Meanwhile, the footrest fixing bracket may extend in a direction substantially perpendicular to the longitudinal direction of the footrest member, so that the footrest fixing bracket can be engaged with the longitudinal ends of the plurality of footrest members.
Further, the footrest fastening member may be a bolt, and a nut may be coupled to a lower side of the footrest member.

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The wood bridge structure for preserving the biosphere according to the present invention has an advantage of providing a wooden bridge structure capable of paying attention to the biosphere reserve under the bridge and further assuring the safety of the bridge users.

In addition, the wood bridge structure for preserving the biosphere according to the present invention provides an improved aesthetic appearance, so that it has a more natural effect to natural landscapes such as parks where bridges are installed.

In addition, according to the method of constructing a wood bridge structure for preserving a biosphere according to the present invention, it is possible to minimize inconvenience of facility users such as a park where a bridge is installed by shortening a working period.

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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of a wooden deck bridge structure. FIG.
2 is a perspective view of one embodiment of a wooden bridge structure according to the present invention.
3 is a cross-sectional view of AA 'in Fig.
4 is a cross-sectional view of BB 'in FIG.
5 is a side view of one embodiment of the wooden bridge structure according to the present invention.
FIG. 6 is a perspective view showing a strut fixing member and a strut in the above embodiment of the wooden bridge structure according to the present invention. FIG.
FIG. 7 is a view showing a perforated plate in the above embodiment of the wooden bridge structure according to the present invention.
8 is a view of a prefabricated foot member structure as another embodiment of a wooden bridge structure according to the present invention.
Fig. 9 is a view showing a separate pipe structure among the foot member structures of the other embodiment of the wooden bridge structure according to the present invention.

Advantages and features of embodiments of the present invention and methods of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

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

2 is a sectional view of AA 'in FIG. 2, FIG. 4 is a cross-sectional view of BB' in FIG. 2, and FIG. 5 is a cross-sectional view of a wooden bridge according to the present invention. Lt; RTI ID = 0.0 > embodiment < / RTI >

The present embodiment of the wooden bridge structure according to the present invention is characterized in that the perforated plate 700 is provided to cover the lower side of the pedestal member 500 made of wood so as to support the pedestal member 500, So that it can perform the function. Accordingly, the above embodiment of the present invention is characterized in that the base H beam 100, the reinforced H beam 200, the column fixing member 300, the tube 399, the pedestal member 500, the supporting column 600, (700) and a side plate member (800).

The basic H beam 100 is formed in the form of an H beam, which is installed long in the longitudinal direction of the bridge on a pier or an alternate bridge.

The reinforced H beams 200 are arranged in the longitudinal direction of the bridge between the base H beams 100, as shown in the accompanying drawings, in the form of an H beam.

The base H beam 100 and the reinforced H beam 200 may be joined by welding or bolting and may be provided between the base H beam 100 and the reinforcing H beam 200, (L-shaped steel or the like) may be further provided.

The columnar fixing members 300 are fixed on the base H beam 100 and are arranged at regular intervals in the longitudinal direction of the bridges.

The column fixing member 300 has a protrusion 310 protruding upward from the bottom of the space formed therein.

The protrusion 310 functions to securely install the supporting member 600 to be described later.

Depending on the design conditions, the column holding member 300 may have various shapes such as a columnar shape or a pentagon shape.

Each of the tubes 399 is disposed between a plurality of column holding members 300 provided in the longitudinal direction of the bridge and an upper middle portion of the reinforcing H beam 200 and includes a pedestal member 500 and a perforated plate 700, As shown in Fig.

Each of the tubes 399 may be made of wood or metal, and may be formed of H beams according to design conditions.

The pedestal member 500 is disposed on the upper side of each pipe 399 so as to be orthogonal to each pipe 399, and performs a pedestal function so that the user can walk.

The foot member 500 may be made of a wood material, for example, a wooden deck.

The strut 600 is coupled to the strut fixing member 300 and includes a fitting groove 610.

The support posts 600 are protruded upward from the bridges and can be provided with railing or the like, and can be used in various ways such as supporting a poster.

6, when the lower supporting member 300 is installed on the supporting member 300, the lower supporting member 300 is inserted into the supporting member 300, Is inserted into the fitting groove 610 formed on the lower side of the supporting leg 600. [

The inner diameter of the fitting groove 610 may be equal to or larger than the outer diameter of the protrusion 310, depending on the design conditions.

Further, a protruding member (not shown in the drawing) may be further provided on the inner surface of the fitting groove 610 or the outer surface of the protrusion 310. The frictional force between the outer surface of the protrusion 310 and the inner surface of the fitting groove 610 is increased so that the supporting post 300 is supported by the supporting post 300 600) can be installed more firmly.

According to this structure, the strut 600 is fitted into the strut fixing member 300, and by inserting the protrusion 310 into the fitting groove 610, the strut 600 and the strut 600 securely And can prevent the support post 600 from being shaken after being combined.

The perforated plate 700 may be provided between each of the tubes 399 and the foot plate member 500 so as to be coupled to the lower side of the foot plate member 500.

As shown in FIG. 7, the perforated plate 700 may be provided between the column fixing members 300 by having a square shape with a cutout at each of the four corners, and a plurality of through holes 710 may be provided .

When the pedestal member 500 disposed on the upper side of the perforated plate 700 is made of wood by the through holes 710, ventilation is enabled. In addition, when the upper side of the foot plate member 500 is wet by snow or rain, moisture is drained downward through the through holes 710, thereby minimizing rotting of the foot plate 500 due to moisture accumulation.

That is, although the foot members 500 are illustrated as being in close contact with each other in the drawing, the spacing between the foot members 500 is a matter that can be selected by the installer, and the proper spacing is maintained between the foot members 500 As mentioned above, when the construction is performed, it is possible to perform smooth ventilation and drainage, and corrosion of the foot plate 500 due to stagnant moisture can be minimized. However, when the pedestal members 500 are spaced apart from each other as described above, there may be a problem as described later. However, the wooden bridge structure according to the present invention also includes a structure to solve such a problem.

In other words, the wooden bridge structure according to the present invention includes the perforated plate 700 so that each of the plurality of foot members 500 arranged in the longitudinal direction of the bridge can be stably supported by the respective pipes 399 in the existing bridge structure .

In addition, when a concentrated load is applied to a part not directly supported by each pipe, the foot member which is arranged orthogonally to each pipe in the existing bridge structure may be broken and the user's legs may fall down, There was a problem that it was exposed. However, according to the present invention, since the perforated plate 700 supporting the lower side of the footplate member 500 is provided, it is possible to prevent a safety accident such as a user's leg falling down even if a concentrated load is generated on the footplate member 500 have.

That is, even if the pedestal member 500 is partly broken, the perforated plate 700 can prevent the pedestal member 500 from being sagged downward, so that the above-described safety accident can be prevented in advance.

As described above, the wooden bridge structure according to the present invention includes the perforated plate 700 below the foot member 500, so that the legs of the user can be separated from the foot member 500 while maintaining a proper interval for ventilation and drainage 500) can be prevented.
In addition, since the perforated plate 700 is provided in the wooden bridge structure according to the present invention, the foot members 500 can be installed at intervals, so that the sunlight passes through the through holes 710 of the perforated plate 700, . This has the effect of positively affecting the biosphere reserves below the bridge.

Depending on the design conditions, the perforated plate 700 may be made of a thin metal plate such as aluminum or may be made of plastic with good elasticity, or may be made of synthetic fiber having a high degree of toughness.

The side plate member 800 is provided between a plurality of column holding members 300 provided in the longitudinal direction of the bridge and surrounds a part of the surface of the base H beam 100, do.

The side plate member 800 is formed in a substantially " ㅗ " shape, as shown in the accompanying drawings. The upper side of the side plate member 800 is provided between the columnar holding members 300 and the lower side of the side plate member 800 is extended to cover a part of the lower side of the columnar holding member 300 So as to surround a part of the outer surface of the base H beam 100.

Therefore, when the bridge structure is viewed from the outside, only the column fixing member 300, the supporting leg 600, the foot member 500, and the side plate member 800 can be visually confirmed, can do.

In the bridge structure in which a plurality of wooden foot boards 500 are continuously arranged, the wooden bridge structure according to this configuration is configured such that interference with the column holding member 300 is avoided, The perforated plate 700 is provided so as to cover the foot plate member 500, so that the foot plate member 500 can be prevented from being damaged due to breakage of the foot of the user.

Also, since the long side plate member 800 in the longitudinal direction of the bridge structure is provided, the basic H beam, the reinforced H beam, and the angular tube installed in the bridge structure are not exposed to the outside, so that an excellent appearance can be provided.

In addition, by joining the supporting posts 600 in such a manner that the supporting posts 600 are fitted to the supporting posts 300 formed with the projections 310, the durability of the supporting posts can be improved and the shaking can be minimized.

Another embodiment of the wooden bridge structure according to the present invention will be described below with reference to FIGS. 8 and 9.

Fig. 8 is a view showing a prefabricated foot member structure according to another embodiment of a wooden bridge structure according to the present invention, and Fig. 9 is a perspective view showing the structure of the foot bridge member of the other embodiment of the wooden bridge structure according to the present invention, Fig.

The wooden bridge structure according to the present invention includes a base H beam 100, a reinforcing H beam 200 and a column fixing member 300, which are constructed as a basic structure of a bridge, It can be assembled and assembled in advance.

That is, by pre-assembling the pipe structure 400, the perforated plate 700, and the foot member 500 in advance, it is possible to shorten the working time in the field at the time of the initial construction of the wooden bridge or the replacement work for maintenance, There is an advantage that the inconvenience of users can be minimized.

Referring to the drawings, each pipe structure 400 is a structure in which each pipe 410 is formed in a substantially rectangular shape. Each tube 410 may be made of zinc and may be powder coated in a desired color. Each pipe structure 400 has a cutout portion 416 bent inwardly at each of four corners of the cutout portion 416 to avoid interference with the columnar holding member 300 when assembled. Each pipe structure 400 has a long side portion 411 and a short side portion 413 and is arranged side by side with the long side portion 411 to join the short side portion 413 to face each other, And has a reinforcing member 415. A plurality of through holes 435 formed in the direction perpendicular to both the long side portion 411 and the short side portion 413 are formed on the inner sides of the long side portion 411 and the short side portion 413 and on both sides in the longitudinal direction of the rectangular tube reinforcing member 415 (Not shown). The foot member coupling portion 419 may be made of flat iron or the like, and may be welded to each of the tubes 410. A plurality of footrest fastening members 430 are passed through the plurality of through holes 435 of the footrest member fastening portions 419 and then fastened to the footrest members 500 to thereby attach the footrest members 500 ). The foot member 500 may be disposed in a direction parallel to the short sides 413. Since the footrest member 500 is coupled to the tubular structure 400 not only at the long side portion 411 but also at both sides of the tubular reinforcing member 415, And is coupled to the tubular structure 500 to form a rigid connection. Although the foot member 500 is disposed parallel to the short side 413 in the illustrated embodiment, the foot member 500 may be disposed parallel to the long side 411, depending on the shape and structure of the wooden bridge structure There may be cases where

The footrest fastening member 430 may be any material that can be engaged with the foot member 500 and may be a material that can be directly coupled to the wood part of the foot member 500, , Or a bolt coupled with a nut. When the foot fastening member 430 is a bolt, the foot fastening member 430 should be coupled to the nut in advance under the foot member 500. The joining of metal nuts to woody materials can be accomplished by a number of known methods.

The perforated plate 700, which is one of the other features of the present invention, is positioned between the tubular structure 400 and the footplate member 500, thereby preventing the occurrence of safety accidents and the excellent effect of the wooden bridge structure of the present invention such as smooth ventilation and drainage . In addition, since sunlight can pass through the through hole 710 of the perforated plate 700 and reach the lower side of the bridge, there is an advantage that it can positively affect the biosphere reserve on the lower side of the bridge.
The foot fastening member 430 passes through the plurality of through holes 710 in the perforated plate 700 to be inserted into the tubular structure 430 when the perforated plate 700 is positioned between the foot member 500 and the tubular structure 400, And the foot member 500 are connected to each other. The perforated plate 700 also has a cutout at each of four corners as in the case of the corrugated pipe structure 400. As described above with respect to the other embodiments of the present invention, So as to avoid interference with the column holding member 300 during assembly. The perforated plate 700 may be joined to the tubular structure 400 by welding.

The pedestal member structure may further include footrest fixing brackets 470 on both sides of the footrest member 500 to prevent distortion of the footrest member 500 caused by moisture or the like. The footrest fixing bracket 470 is disposed on both side ends of the footrest member 500 so as to surround both side ends of the footrest member 500. That is, in the illustrated embodiment, the footrest fixing brackets 470 are disposed in the direction substantially perpendicular to the longitudinal direction of the footrest member 500 and positioned on both side ends in the longitudinal direction of the footrest member 500, 500, respectively. One embodiment of the footrest fixing bracket 470 includes a bracket upper part 473 which is brought into close contact with the upper part of the foot plate member 500 and a bracket side part 477 which is coupled to the outside of the long side part 411 of the pipe structure 400 . The bracket side portion 477 may be welded to the outside of the long side portion 411. The bracket upper part 473 may simply be placed on the upper side of the foot member 500 or on the upper side of the foot member 500 or may be connected to the foot member 500 by a fastening member have.

The footrest fixing bracket 470 may be applicable not only to the foot member structure of the embodiment of the present invention but also to the first embodiment of the present invention described above.

A method of assembling a foot member structure, which is the second embodiment of the wooden bridge structure according to the present invention, will be described.

First, the perforated plate 700 is coupled to the tubular structure 400. This coupling can be done by welding or the like. That is, the upper portion of each pipe structure 400 and the lower edge portion of the perforated plate 700 are joined by welding or the like. The foot members 500 are then placed on the perforated plate 700 at predetermined intervals. The spacing between the foot members 500 is determined in consideration of smooth ventilation and drainage as well as safety and psychological stability of the user, preferably 30 mm or more. Since the spacing between the foot members 500 is determined by the spacing of the through holes 435 through which the foot fastening members 430 are provided in the foot member fastening portions 419 when the tubular structure 400 is manufactured, In assembling the foot member structure, the foot member 500 may be disposed in alignment with the through hole 435 of the foot member coupling portion 419. The foot fastening member 430 passes through the through hole 435 from the lower side of the foot member fastening portion 419 of the pipe structure 400 to the upper side and passes through the through hole 710 formed in the perforated plate 700 And is then engaged with the foot member 500 from below. By joining the foot member 500 from the lower side as described above, unlike the prior art, the fastening member such as a bolt is not visible above the foot member 500, and a more improved aesthetic appearance can be exhibited. In addition, coupling the foot member 500 to the respective pipe structure 400 from the lower side using the foot fastening member 430 as described above can be relatively easily performed because the foot member structure is assembled in the factory in advance. If the scaffolding member 500 is to be coupled to the foundation structure of the bridge in this way in the field, there is a great possibility that the operation is virtually impossible or extremely difficult due to interference with the foundation structure. Finally, the footrest fixing bracket 470 is placed so as to cover the ends of the foot member 500, and then the bracket side portion 477 is engaged with the outer side of the long side 411 of the pipe structure 400. The bonding can be done by welding or the like. As a result, the foot member structure is completed, and the construction or maintenance work of the wooden bridge structure can be carried out more easily than in the prior art by transporting the structure to the site.

The construction method of the foot member structure, which is the second embodiment of the wooden bridge structure according to the present invention, will be described.

As described above, the foot member structure according to the present invention can be assembled in advance in the factory as a modular assembly and moved to the site, and then can be more easily coupled to the foundation structure of the bridge as compared with the prior art.

That is, the finished scaffold member structure is transported to the site, and then assembled to the bridge structure in which the foundation structure work is completed. Here, the base structure refers to a base H beam 100, a reinforced H beam 200, and a column holding member 300 to which the column 600 is fixed.

Referring to FIG. 2, the wooden bridge construction is completed by constructing the foot member structure once, instead of sequentially constructing each of the pipes 399, the perforated plate 700, and the foot member 500 on the foundation structure. After the scaffold member structure is laid down on the foundation structure, it can be more firmly coupled to the foundation structure by various known methods as needed. That is, welding means such as welding, bolting, metal pieces or the like may be used. It is easy to carry out the construction work not only at the time of the first construction of the wooden bridge but also at the time of replacement due to aging.

Finally, the construction of the wooden bridge structure is completed by joining the landing gear 600.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the present invention. It can be seen that branch substitution, modification and modification are possible.

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100: basic H beam 200: reinforced H beam
300: column fixing member 310: projection
350: through hole 399:
400: Each pipe structure 470: Scaffold fixing bracket
500: scaffold member 600: scaffold member
610: Fitting groove 700: Perforated plate
710: through hole 800: side plate member

Claims (9)

A plurality of base H beams longitudinally installed in the longitudinal direction of the bridge on the piers or alternations;
A plurality of reinforced H beams disposed at regular intervals between the base H beams;
A plurality of column holding members arranged at regular intervals above the basic H beam;
A foot member structure coupled to the base H beam and including a plurality of foot members disposed in a direction perpendicular to the base H beam, a perforated plate coupled to a lower side of the foot member, and a perimeter structure coupled to a lower side of the perforated plate; And
And a strut that is fitted on and coupled to the upper side of the strut fixing member,
The above-
Long side and short side,
A tube reinforcing member disposed side by side with the long side portion and connecting the short side portions facing each other,
A foot member fastening portion coupled to at least one of an inner side of the long side portion, an inner side of the short side portion, both sides in the longitudinal direction of the respective tube reinforcing member, and a plurality of through holes formed therein;
And a cut-out portion formed to be bent inward at each of four corners of the pipe structure. The method according to claim 1,
Further comprising a plurality of side plate members provided on a side of the base H beam outside the wooden bridge structure,
The side plate member
And the cutout portions are provided on both upper and lower ends of the upper side meeting with the column holding member,
Wherein the upper side is provided between the strut fixing members and the lower side is provided to surround a part of the lower side of the strut fixing member. The method according to claim 1,
The column holding member
And a protrusion formed upward at an intermediate portion of the bottom surface,
[0030]
And an insertion groove in the form of a wedge is formed on the inner side of the lower end intermediate portion,
And a fitting groove of a supporting member is fitted and joined to a projection of the strut fixing member. The footrest according to claim 1,
Further comprising a footrest fixing bracket including a bracket upper portion and a bracket side portion,
Wherein the bracket top is engaged with the top surface of the foot member end and the bracket side is coupled to the tubular structure. delete delete delete delete delete

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