KR100805795B1 - Temporary bridge and temporary access road using assemblable composite pipe and deck of snap-fit connection with hollow section - Google Patents

Abstract

A temporary bridge and a temporary across road using a snap-fit type fabricated pipe member and a snap-fit type fabricated deck made of a fiber reinforced composite material and having a hollow section are provided to perform temporary construction and dismantlement works of a temporary bridge and a temporary access road simply and quickly, and to reduce the labor, time and cost required for the works. A temporary bridge(1) is formed by arranging a snap-fit type fabricated pipe member(10) made of a fiber reinforced composite material and having the diameter corresponding to the installation height of a temporary bridge to make the hollow section face the transverse direction of the temporary bridge, and installing a snap-fit type fabricated deck(20) made of a fiber reinforced composite material on the upper part of the pipe member, and a temporary access road is formed by arranging a snap-fit type fabricated pipe member made of a fiber reinforced composite material and having the diameter corresponding to the installation height of a temporary access road to make the hollow section face the perpendicular direction to the proceed direction of the temporary access road, and installing a snap-fit type fabricated deck made of a fiber reinforced composite material on the upper part of the pipe member, wherein the deck is manufactured by assembling flat panels composed of an upper plate, a lower plate and a web plate and having a polygonal hollow section, and the pipe member is attached with a tension member in the diameter direction to prevent deformation caused by surcharge load when the pipe member is used in substitution for a pier or the construction ground for the temporary across road and pressed by compressive strength due to the surcharge load.

Description

Temporary Bridge and Temporary Access Road Using Assemblable Composite Pipe and Deck of Snap-Fit Connection with Hollow Section}

1 is a schematic side view showing the construction of a temporary bridge used in the prior art.

2 is a cross-sectional view showing a schematic cross-sectional configuration of the axis diagram hypothesized by a conventional method.

3A is a schematic side view of a temporary bridge constructed in accordance with an embodiment of the present invention.

Figure 3b is a schematic perspective view of a fiber reinforced composite pipe member used in the temporary bridge of the present invention.

Figure 4a is a schematic perspective view showing the assembly process of the fiber reinforced composite deck used in the temporary bridge of the present invention.

Figure 4b is a schematic cross-sectional view showing the assembly process of the fiber-reinforced composite deck shown in Figure 4a.

5A and 5B are schematic side views each showing a modified embodiment of the temporary bridge according to the present invention.

Figure 6a is a schematic view of the axis constructed using the fiber reinforced composite pipe member in accordance with the present invention.

FIG. 6B is a cross-sectional view taken along the line A-A of FIG. 6A.

Figure 7a is a schematic side view of a fiber reinforced composite tube member having a reinforcement structure by the tension member.

FIG. 7B is a cross-sectional view taken along the line B-B of FIG. 7A.

Figure 8a is a schematic perspective view of a semicircular composite tube member with a semicircular front face.

8B is a schematic front view of a semi-circular composite tube member formed using a flat panel.

9A and 9B are schematic side views of a temporary bridge using a semicircular composite tube member, respectively.

Figure 9c is a schematic side view of a shaft applying the semi-circular composite tube member.

FIG. 10A is a schematic front view showing another embodiment of a semi-circular composite tube member formed using a flat panel as a view corresponding to FIG. 8B.

FIG. 10B is an exploded view of the circle A portion of FIG. 10A.

<Brief description of the main parts of the drawing>

1 temporary bridge

       2 axes

      10 Fiber reinforced composite pipe member

      20 Fiber Reinforced Composite Deck

The present invention relates to temporary bridges and shafts using fiber-reinforced composite pipe members and decks of hollow sections, specifically, temporary bridges or shafts that are temporarily installed for construction equipment or vehicles to access the site during construction. New construction can save time and money in the construction and dismantling of temporary bridges or shafts by using detachable fiber-reinforced composite tubes that are easy to assemble and dismantle, and have excellent durability and structural performance. The concept relates to the construction of bridges and shafts.

Figure 1 is a schematic diagram showing the configuration of a conventional bridge (hereinafter, abbreviated as "bridge") used in the prior art, the bridge 100 temporarily installed as shown in the figure, the steel material on the base 101 The vent pier 102 formed by assembling the beam was installed, and an upper structure 103 consisting of a mold and a bottom plate was installed on the top thereof. By the way, such a conventional bridge 100 must go through a complex assembly process in order to construct a bridge 102 made of steel assembly vents, and must be subjected to a fairly complicated dismantling process even when the bridge 100 is removed after use. Therefore, the hypothesis of the bridge 100 has a disadvantage in that it takes considerable time and effort, and a lot of hypothesis / demolition cost.

FIG. 2 is a schematic cross-sectional view of a shaft diagram hypothesized by a conventional method, and the shaft diagram 200, which is a temporary passage for access to the equipment or vehicle in the field as shown in FIG. After stacking the 201 to a predetermined height, the upper surface thereof is coated with gravel 202 to hypothesize. Therefore, in order to construct such a shaft 200, a cumbersome operation such as supplying of the soil sand 201 and the gravel 202, and compaction work is required, so that the construction of the shaft scale takes a lot of time. In addition, for the demolition, it is necessary to search for a place where the earth and sand (201) and the gravel (202) are to be dumped, and to transfer the soil to the soil by using a truck, etc. It took a lot of time and money to restore it.

The present invention has been developed to solve the disadvantages and problems of the prior art as described above, the fiber-reinforced composite tube and deck of the snap-fit type hollow section having a structure that can be easily assembled / disassembled By using the construction of the bridge construction and piling up, it is possible to easily and promptly handle the construction and removal of the cross-linking and piling up to reduce the effort, time and cost required for this.

In order to achieve the above object, in the present invention, as a temporary bridge or axle comprising a top of the bottom plate and the pier supporting the bottom plate from the bottom, consisting of a top plate, a bottom plate and an abdominal plate having a plurality of polygonal hollow cross section The fiber-reinforced composite pipe member, which is composed of the curved fiber-reinforced composite panel, is disposed so that its hollow section faces the right angle direction of the temporary bridge or the axial axis of the axial shaft. Is provided.

In the hypothetical bridge and shaft diagram of the present invention as described above, the bottom plate is composed of a top plate, a bottom plate and an abdominal plate to be composed of a fiber-reinforced composite deck consisting of the assembly of a flat fiber reinforced composite panel having a plurality of polygonal hollow cross section. Can be.

In addition, the fiber-reinforced composite tube member has a circular tube shape, it may be arranged in a multi-layer laminated.

In particular, in the present invention, the fiber reinforced composite pipe member may be provided with a tension member for supporting the compressive force due to the load in the radial direction, the outer surface of the fiber-reinforced composite pipe member at the position where the tension member is installed Reinforcement shiatsu belt may be further provided.

In addition, the fiber-reinforced composite tube member in the present invention, may be made in the form of a semi-circular tube, inserting the connecting member that can wrap the flat panel on the connection side of the flat panel having a detachable spherical coupling structure, The connecting members are formed in a semi-circular tube form by connecting the connecting members to each other via a coupling member at a curved angle, or the hollow end surface of the flat panel is disposed in the axial direction so that the connecting member is a hollow end surface of the flat panel. It is inserted so as to surround the connecting member, it may be formed in the form of a semi-circular tube by connecting the connecting members to each other via the coupling member in accordance with the curve angle.

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

3a shows a schematic side view of a bridge 1 constructed in accordance with one embodiment of the present invention. The bridge 1 according to the present invention functions as a pier by a pipe member 10 (hereinafter, abbreviated as "composite material pipe member") made of a fiber-reinforced composite material of a snap-fit type hollow section. It is characterized by having. 3B is a schematic perspective view of the composite tube member 10 having a circular tube shape as an example of the composite tube member 10, and includes a plurality of polygonal hollows formed of an upper plate, a lower plate, and an abdominal plate. The composite tube member 10 is manufactured by assembling a curved panel having a cross section. The curved panel is a panel constituting the composite deck 20, which will be described later in the form of a curved surface, other composite pipe member 10 and the specific configuration of the panel is disclosed in Korea Patent Publication No. 2006-32808 Since it is disclosed in detail in the description will be omitted. On the other hand, as will be described later, in the present invention, the composite tube member 10 may be formed in a semi-tubular form, not a complete circular shape. This will be described later.

As shown in FIG. 3A, for the construction of the bridge 1, the composite pipe member 10 having a diameter corresponding to the height of the bridge is placed so that its hollow end face is perpendicular to the axial direction of the bridge 1. To place. The composite pipe member 10 disposed as described above functions as a substructure of the bridge 1, that is, as a pier. Therefore, there is no need to install a separate pier. In order to prevent the composite tube member 10 from moving, a wedge or the like may be installed between the composite tube member 10 and the ground. After arranging the composite tube member 10 in this way, the upper structure of the bridge (1), that is, the bottom plate of the bridge (1) is installed on the upper portion of the composite tube member 10, in the present invention As the bottom plate of the bridge 1, a deck 20 made of a fiber-reinforced composite material of a snap-fit type hollow section (hereinafter, abbreviated as "composite deck") is used.

4A is a schematic perspective view of the composite deck 20, and FIG. 4B is an assembly cross-sectional view showing that the composite deck 20 is assembled. The composite deck 20 has an upper portion. The plate 22, the lower plate 23 and the abdominal plate 24 are manufactured by the assembly of the flat panel 21 having a hollow cross section having a plurality of polygonal hollow cross sections. The flat panel has a first downward protrusion coupling portion 25a and a second downward protrusion coupling portion 25b formed at one side thereof. The first downward protrusion coupling portion 25a is formed by the upper plate 22. It is formed in the downward direction at the end of the upper extension portion 25 is further extended to the side, the second downward protrusion coupling portion 25b is formed in a shape protruding downward on the outer surface of the outer abdominal plate 24 Become; On the other side of the flat panel 21, the first upward protrusion coupling portion 25a 'which is mechanically coupled in a snap-fit form so as to be detachable from the first and second downward protrusion coupling portions 25a and 25b, respectively. ) And a second upward protrusion coupling part 25b 'are formed, and the first upward protrusion coupling part 25a' is provided to protrude upward from the outer side of the outer abdominal plate 24, and the second upward protrusion coupling part is provided. 25b 'is provided upward from an end portion of the lower extension portion 25' formed by the lower plate 23 extending further; The protrusion coupling portions 25a, 25a ', 25b, and 25b' are formed with protrusions corresponding to each other to form a mechanical coupling, and snap-fit in a direction perpendicular to the neighboring flat panel 21 '. It is coupled to each other by a mechanical detachable method of the form, inside the end of the upper extension portion 25 to increase the resistance in the horizontal direction in the state where the protrusion coupling portion is coupled to each other to further strengthen the engagement state of the protrusion coupling portion, A protruding support portion for supporting the front end portion of the first upward protrusion coupling portion 25a 'is formed to protrude, and a concave portion is formed inside the end of the lower extension portion 25' to form a recess. When the protrusion coupling portion 25b and the second upward protrusion coupling portion 25b 'are coupled to each other, a structure in which a protrusion supporting portion for supporting the front end portion of the second downward protrusion coupling portion 25b from the rear is formed to protrude. Has

Other detailed configuration of the composite deck 20 is disclosed in detail in Korean Patent Laid-Open Publication No. 2006-32808, and a repeated description thereof will be omitted. In a state in which the composite deck 20 is installed on the composite pipe member 10, for example, a fastening member such as a bolt penetrates the composite deck 20 and is coupled to the composite pipe member 10. The composite pipe member 10 and the composite deck 20 thereon may be coupled to each other by using a configuration to allow the composite pipe member 10 and the upper portion thereof. However, the configuration of coupling the composite pipe member 10 and the composite deck 20 thereon is not limited thereto.

In the above embodiment, the composite deck 20 is located directly on the upper portion of the composite pipe member 10 to form a bottom plate of the bridge (1), but the long span, such as bridge (1) If necessary, the girder may be installed on the composite pipe member 10, and the composite deck 20 may be installed on the girder.

5A and 5B show a schematic side view of a modified embodiment of the bridge 1 according to the present invention, as shown in FIG. 5A, the installation of a composite tube member 10 functioning as a pier in the present invention. Since there is no limit in the number, depending on the height of the construction of the cross-linking may be to install the cross-linking (1) by installing only a few of the composite tube member 10 of the circular tube shape having a large diameter. In addition, as shown in FIG. 5B, the composite pipe member 10 having a small diameter may be laminated in a plurality of layers so as to replace the piers of the bridge 1. At this time, the laminated composite pipe member 10 is integrally bundled using a band or the like. In the embodiment shown in Figure 5b is a composite pipe member 10 is installed, the girder 30 is installed on the top, the composite deck 20 is installed on top of the girder 30 The bridge | crosslinking (1) is constructed. As such, after the girder 30 is installed on the composite pipe member 10, when the composite deck 20 is installed on the upper portion thereof, the composite pipe member 10 and the girder 30 are coupled to each other. In addition, a coupling member such as a bolt may be used to couple the girder 30 to the composite deck 20. That is, the bolt is to penetrate the flange of the girder 30 to the composite pipe member 10, and to combine the girder 300 and the composite deck 20 using another bolt or other known method. However, the configuration in which each member is coupled to each other is not limited thereto.

On the other hand, the composite material tube member 10 is also applied to the shaft (2) is built to the predetermined height from the ground so that the vehicle can pass temporarily. FIG. 6A shows a schematic view of the shaft diagram 2 constructed using the composite tube member 10, and FIG. 6B shows a cross section along line A-A of FIG. 6A. As shown in the figure, the composite tube member 10 having a diameter corresponding to the height of the shaft diagram 2 to be constructed is disposed so that its hollow section faces at right angles to the traveling direction of the shaft diagram 2. . And the composite deck member 20 is installed on the upper portion of the composite pipe member (10). In FIG. 6A, reference numeral 30 denotes the entry part 40 of the shaft view 2. The entry part 40 may be formed by stacking soil as in the conventional case.

Thus, according to the present invention in the construction of the cross-linking (1), easy to assemble / dismantle and use the composite pipe member 10 that can be recycled instead of the piers, the bottom plate also uses the composite deck (20) Therefore, the construction work as well as the demolition work of the bridge (1) can be made easily and quickly. Therefore, it is possible to reduce the effort, time and cost required for this. In addition, when laying the shaft 2, the composite pipe member 10 suitable for the height of the shaft 2 needs to be selected and arranged, and the composite deck on the upper part of the shaft is not constructed by soil and gravel. By providing 20, the shaft diagram 2 can be easily constructed. Therefore, the construction of the shaft (2) is easy, and after the demolition can also be very easy to restore the area, the construction economical effect is improved.

In the present invention, the composite pipe member 10 as described above may be further provided with the following reinforcing structure in use as a substitute for the piling ground or as a substitute for the construction ground of the shaft (2). FIG. 7A shows a schematic side view of a composite tube member 10 having a reinforcing structure, and FIG. 7B shows a cross-sectional view along line B-B of FIG. 7A.

As described above, when the composite pipe member 10 is used as a substitute for the piers or as a substitute for the shaft foundation of the shafting shaft 2, the composite pipe member 10 is subjected to a compressive force due to the load of the rod, and the dotted line in FIG. As shown by the deformation may occur due to the loading load. In order to prevent such deformation, in the present invention, the tension member 11 is installed in the radial direction inside the composite pipe member 10 as shown in the drawing. That is, the tension member 11 is to be fixed through the composite material pipe member 10 in the radial direction of the composite material pipe member 10. Such a tension member 11 is supported by converting the bending stress acting so that the composite pipe member 10 is distorted due to the loading load as shown by the dotted line in Figure 7b to the tensile stress. Therefore, even when the load is applied to the composite pipe member 10 is prevented from being crushed as shown by the dotted line in Figure 7b, the composite pipe member 10 has the effect of increasing the stiffness.

On the other hand, as shown in Figure 7a, in order to further strengthen the composite tube member 10 in the installation of the tension member 11, the shiatsu band 12 at the installation point of the tension member 11 composite tube member ( It is also preferable to attach more to the outer surface of 10). The acupressure band 12 as described above serves to prevent the local deformation of the composite tube member 10 due to the installation of the tension member (11). However, such a shiatsu belt 12 may be omitted.

On the other hand, in the present invention, by injecting concrete in the hollow of the composite tube member 10, the composite tube member 10 may be manufactured in a form in which concrete is synthesized. Thus composite composite pipe member 10 is synthesized by injecting concrete in the hollow is to increase the rigidity can bear a greater load load.

In the embodiment according to the present invention described above, the composite tube member 10 is intact in the form of a tube, but may be in the form of a semi-circular tube (semi-tube) as in the embodiment described below.

8A is a schematic perspective view of a semicircular composite tube member 10 having a semicircular front face, and FIG. 8B is a schematic front view of a semicircular composite tube member 10 formed using a flat panel. It is. The embodiment shown in FIG. 8A is a semicircular composite tube member 10 formed using a curved panel curved in a curved shape, whereas the semicircular composite tube member 10 illustrated in FIG. 8B uses a flat panel. . In the drawings, two planar panels are overlapped, but the present invention is not limited thereto, and two or more panels may be overlapped or only one panel may be used.

Looking at the configuration of the semi-circular composite tube member 10 shown in Figure 8b in more detail, as shown in the drawing, the flat panel has a snap-fit type coupling structure, the connection of the flat panel Side surface, sandwiching the connecting member 50 to wrap the panel, between the connecting member 50 by connecting the connecting member 50 to each other via the coupling member 51 in accordance with the curved angle between the semi-circular composite material pipe The member 10 is formed. Here, the connecting member 50 may be made of fiber-reinforced composite material or steel, and the coupling member 51 may be made of wood. It is also possible to manufacture a circular composite tube member 10 as shown in Figure 3b using this flat panel. As shown in the figure, even in the case of the semi-circular composite tube member 10 as described above, it is possible to adopt a reinforcement structure using the tension member (11).

9A and 9B are schematic side views of crosslinking using semicircular composite tube members 10, respectively. Figure 9a is for the cross-linked composite deck 20 is installed directly on the semi-circular composite tube member 10 as shown in the embodiment shown in Figure 5a, Figure 9b is a composite tube member (as shown in Figure 5b) After installing the girder 30 in the upper portion of 10), the composite deck 20 is installed on the upper portion of the girder 30 for the bridge.

Such a semicircular composite material tube member 10 may be applied to the shaft diagram, and FIG. 9C shows a schematic side view of the shaft diagram 2 to which the semicircular composite material tube member 10 is applied.

On the other hand, when configuring the semi-circular composite material tube member 10 may be changed in the direction of the flat panel. FIG. 10A shows a view corresponding to FIG. 8B and FIG. 10B shows an exploded view of the circle A portion of FIG. 10A. In the embodiment shown in FIGS. 10A and 10B, the hollow section of the hollow portion of the flat panel is shown. The planar panels are arranged so that they are not visible from That is, the flat panel is arranged so that the hollow end face of the hollow portion of the flat panel is inserted into the connecting member 50 so as to surround the connecting member 50, thereby forming the semicircular composite material pipe member 10.

As described above, according to the present invention, in the construction of the crosslinking (1), the composite pipe member 10 that is easy to assemble / dismantle and recyclable is used in place of the piers, and the bottom plate is also the composite deck 20 Since the use of the construction work as well as the demolition of the bridge (1) can be made easily and quickly. Therefore, it is possible to reduce the effort, time and cost required for this.

In addition, according to the present invention, even when laying the shaft (2), instead of building the shaft (2) by earth and sand, the composite tube member (10) selected according to the height of the required shaft (2) is selected and arranged and the upper portion thereof. By installing the composite deck 20 in the shaft shaft 2 can be easily installed. Therefore, the construction of the shaft (2) is easy, and after the demolition can also be very easy to restore the area, the construction economical effect is improved.

In particular, in the present invention, when the tensile member 11 is installed in the radial direction inside the composite tube member 10, by converting the bending stress acting to distort the composite tube member 10 due to the load load to the tensile stress Since it is supported, the composite pipe member 10 is prevented from being deformed and deformed even when the floor load is applied, and thus, the rigidity of the composite pipe member 10 is increased.

In addition, when the acupressure band 12 is installed at the tension member 11 installation position, it is possible to effectively prevent the local deformation of the composite tube member 10 due to the installation of the tension member (11).

Claims (12)

As a temporary bridge (1) comprising a bottom plate of the upper portion and a pier supporting the bottom plate from the bottom, Fiber-reinforced composite tubular member (10) consisting of an assembly of a curved fiber-reinforced composite panel having a plurality of polygonal hollow cross-sections consisting of a top plate, a bottom plate, and an abdominal plate, whose hollow cross-section is the right angle of the bridge of the temporary bridge Temporary bridges, characterized in that arranged to face the bridge constituting. The method of claim 1, The bottom plate is composed of a top plate, a bottom plate and the abdominal plate is a temporary bridge, characterized in that composed of a fiber-reinforced composite deck (20) consisting of the assembly of a flat fiber-reinforced composite panel having a plurality of polygonal hollow cross-section. The method according to claim 1 or 2, Fiber-reinforced composite tube member 10 has a circular tube shape, the temporary bridge, characterized in that arranged in multiple layers. The method according to claim 1 or 2, The fiber-reinforced composite pipe member 10 is a temporary bridge, characterized in that the tension member 11 is installed to support the compressive force due to the loading load in the radial direction. The method of claim 4, wherein Temporary bridge, characterized in that the outer surface of the fiber-reinforced composite tube member 10 is provided with a reinforcement shiatsu band 12 at the position where the tension member 11 is installed. According to claim 1 or 2, wherein the fiber reinforced composite pipe member 10, Has a semi-circular tube shape, The connecting member 50 which can wrap the flat panel is inserted into the connecting side of the flat panel having a detachable fastening structure and the hollow cross section facing the axial direction of the temporary bridge 1, and the connecting member 50. Temporary bridge, characterized in that formed in the form of a semi-circular tube by connecting the connecting member 50 to each other through the coupling member 51 in accordance with the curved angle. According to claim 1 or 2, wherein the fiber reinforced composite tube member 10 has a semi-circular tube form, The fiber-reinforced composite pipe member 10 is disposed so that the hollow end face of the flat panel having a detachable splice coupling structure faces the axial direction of the temporary bridge 1 so that the connecting member 50 is hollow of the flat panel. The hypothesis bridge is characterized in that it is formed to surround the cross-section, by connecting the connecting member 50 to each other via the coupling member 51 in accordance with the curved angle between the connecting member 50 is formed in a semi-circular tube shape. An axis diagram 2 constructed on the ground to a predetermined height to allow temporary traffic of a vehicle, Fiber-reinforced composite tubular member (10) consisting of an assembly of a curved fiber-reinforced composite panel having a plurality of polygonal hollow cross-sections consisting of a top plate, a bottom plate and an abdominal plate, the hollow cross-section of which is perpendicular to the axis (2) Disposed to face; On the top of the fiber reinforced composite pipe member 10, the fiber reinforced composite material deck 20 is composed of the top plate, the bottom plate and the abdominal plate composed of the assembly of a flat fiber reinforced composite panel having a plurality of polygonal hollow cross-section The shaft is characterized in that the combined configuration. The method of claim 8, Fiber-reinforced composite tube member (10) has a circular tube shape, the axis characterized in that it is arranged stacked in multiple layers. The method according to claim 8 or 9, The fiber-reinforced composite tube member (10) is characterized in that the tensile member (11) for supporting the compressive force due to the loading load in the radial direction is installed. The method according to claim 8 or 9, wherein the fiber reinforced composite pipe member 10, Has a semi-circular tube shape, The connecting member 50 which can wrap the flat panel is inserted into the connecting side of the flat panel having a detachable fastening structure and the hollow cross section facing the axial direction of the temporary bridge 1, and the connecting member 50. Axial shaft, characterized in that formed in the shape of a semi-circular tube by connecting the connecting member 50 to each other via the coupling member 51 in accordance with the curved angle. 10. The method of claim 8 or 9, wherein the fiber-reinforced composite tube member 10 has a semi-circular tube form, The fiber-reinforced composite pipe member 10 is disposed so that the hollow end face of the flat panel having a detachable splice coupling structure faces the axial direction of the temporary bridge 1 so that the connecting member 50 is hollow of the flat panel. Fitted to surround the cross section, the connecting member 50 is characterized in that it is formed in the shape of a semi-circular tube by connecting the connecting member 50 to each other via the coupling member 51 in accordance with the curved angle.

Images