KR200417221Y1 - Precast Arch Panel having Corrugated Multi Plate - Google Patents

Abstract

The present invention relates to a precast arch panel using a corrugated steel sheet, the corrugated steel sheet having a predetermined width and length; A metal mesh spaced apart from the corrugated steel sheet by a predetermined distance; It provides a precast arch panel using a plurality of stud bolts fixed to the inside of the corrugated steel sheet to support the metal mesh, and a corrugated steel sheet formed of a unit panel of a concrete structure cured to a predetermined thickness from the corrugated steel sheet, arch The panel is installed on the foundation concrete structure by fixing the side panel and the upper panel back and forth respectively, waterproofing and draining the joints of the side panel and the upper panel, and providing a process of painting or adhering tiles to the inside of the panel. It improves thermal and corrosion resistance and enables simple and robust construction of precast arch panels using corrugated steel sheets.

Corrugated Steel Sheet, Passage, Culvert, Tunnel, Panel, Precast

Description

Precast Arch Panel using Corrugated Steel Sheet

1 is a flowchart according to the construction of a precast arch panel using a general corrugated steel sheet.

2 is a perspective view showing a state where a precast arch panel is installed using a conventional corrugated steel sheet.

3 is a cross-sectional view illustrating an assembly structure of the corrugated steel sheet of FIG. 2.

4 is an exploded perspective view showing a construction state of a precast arch panel using a corrugated steel sheet as an embodiment according to the present invention.

5 is a cross-sectional view showing a construction state of the precast arch panel using a corrugated steel sheet according to the present invention.

Figure 6 is a perspective view showing a coupling portion of the side panel and the top panel of the present invention.

7 is a perspective view showing the connection portion of the side panel of the present invention.

8 is a cross-sectional view showing a coupling state of the side panel and the top panel of the present invention.

9 is a flow chart showing the construction sequence of the precast arch panel using a corrugated steel sheet according to the present invention.

10 is a perspective view showing a state in which the side panel and the upper panel assembled according to the present invention.

11 is a view showing a state in which the back filling the side of the arch panel of the present invention.

12 is a view showing a state of performing fill in the side of the arch panel of the present invention.

♣ Explanation of symbols for main part of drawing ♣

10: foundation concrete structure 20, 30: side panel

40: upper panel 50: corrugated steel sheet

51: metal mesh 52: stud bolt

53: concrete structure 55: fixing means

60: waterproofing material 70, 72: uneven portion

100: arch panel

The present invention relates to a precast arch panel using a corrugated steel sheet, and more specifically, to a precast (preformed) arch panel using a corrugated steel sheet, and to fabricate the constructed arch panel. It is about.

Corrugated Multi Plate structure is a structure that increases the rigidity of the steel plate by making a cross section with a wave shape by forming a steel plate having a thickness of 3.2 ~ 7.0mm. The corrugated steel sheet is a type of reinforcing thin plate without welding as dozens of times of a general steel sheet having the same thickness with respect to the center of the corrugation for each thickness. When the corrugated steel sheet structure is used as the underground structure, it is able to endure external load by the composite action of the ground and corrugated steel sheet, and has the same effect as the structure receiving the ground, which was considered only as the load.

Moreover, the construction method of underground structures using corrugated steel plate has been proven to be excellent in the field construction such as reducing the air required for existing concrete structures, reducing construction costs, maintaining high weather resistance and corrosion resistance, reducing management costs, and minimizing environmental damage due to recycling during demolition. will be.

Underground structures using structural corrugated steel plates are applied to passage and water culverts, small bridges, temporary provisional facilities, eco-mobile passages and soundproof tunnels.

Construction of the arch panel as the underground structure using the corrugated steel sheet is made according to the construction sequence of FIG.

That is, the foundation excavation process (S1), which expands and excavates the structure to be constructed according to the purpose, that is, the width of the arch panel, and the foundation ground is made of high quality sand so that sufficient bearing capacity can be secured against the entire load including the structure and the backfill load. And the foundation compacting process (S2) for compacting gravel, etc., a bedding work process (S3) for securing the ground support of the structure, and being installed on both sides of the structure to ensure uniform support throughout the entire section of the foundation ground. Foundation concrete structure installation process (S4) to be installed in order, the foundation channel installation process (S5) to assemble the arch panel on the foundation concrete structure, the assembly process of assembling the unit panel of the corrugated steel sheet in the foundation channel according to the installation order and location (S6), when the assembly of the corrugated steel sheet is completed, the submerged in the assembly joint in preparation for water pressure or submersion generated from the outside of the structure Waterproofing and drainage process to apply waterproofing material to prevent (S7), and backfilling process to perform compaction to ensure sufficient compaction force to have a certain layer thickness on both sides of the structure when the waterproofing and drainage work is completed (S8) ), A filling process (S9) for compacting the upper part of the steel plate structure, and a finishing operation (S10) for finishing the external appearance such as front and rear outer wall installation of the steel plate structure.

As a structure using a conventional corrugated steel sheet as described above, referring to the cross-sectional view of FIG. 3 for fixing the arch panel of the assembled state of FIG. 2 and the unit panel joint of the corrugated steel sheet, the upper part of the foundation concrete structure 1 of the two sides that are installed in advance Assembly is performed while the corrugated steel plate 2 of the unit panel is zigzag vertically and horizontally. That is, fixing and assembly are performed using fixing means 5, such as a bolt and a nut, in the fixing hole 4 formed in the joint part 3 formed in the edge of the corrugated steel plate 2. The edges of the corrugated steel sheet 2 are each bent with joints 3 for easy jointing with the corrugated steel sheet 2 which are assembled adjacently. Furthermore, after a plurality of corrugated steel sheets 2 were temporarily assembled in the form of an arch panel 9, the corrugated steel sheets 2 were placed on tops of the foundation concrete structures 1 on both sides, which were previously installed, and then fixed.

As the joint of the corrugated steel sheet, an elastic bitumen material such as asphalt bitumen material or urethane sealant may be used for waterproofing and drainage. After the waterproofing and drainage treatment is completed, work such as backfilling and filling is performed.

However, when the arch panel structure is constructed using a corrugated steel sheet, the corrugated steel sheet is exposed to the outside. That is, the inner surface of the arch shape, the appearance of the corrugated steel sheet and fixing means such as bolts and nuts, and the coating agent used for waterproofing and drainage are exposed as it is.

In addition, conventional arch panel structure using corrugated steel sheet has good stiffness but is vulnerable to fire and corrosion, so that corrugated steel sheet may melt due to high temperature or weaken due to corrosion. If the load could not support the load normally, there was a problem of not being able to properly perform a function such as a passage, a culvert or a tunnel, which is exposed to a risk of causing a safety accident.

In order to solve the above problems, an object of the present invention is to provide a precast arch panel using a corrugated steel sheet which has improved fire resistance and corrosion resistance by preventing the corrugated steel sheet from being exposed to the outside as underground structures.

In addition, the present invention is to provide a precast arch panel using a corrugated steel plate that can be fixed to the side panel in the foundation channel of the foundation concrete structure, and can be easily assembled and fixed to the top panel on the top of the side panel. to be.

In addition, another object of the present invention is to provide a precast arch panel using a corrugated steel sheet having a metal mesh and stud bolts embedded therein in order to couple a concrete structure having a predetermined thickness to the corrugated steel sheet.

In addition, another object of the present invention is to provide a precast arch panel using a corrugated steel sheet which is coated with a concrete structure bonded to the corrugated steel sheet or adhered tiles to beautifully process the inner appearance.

The present invention is a means for achieving the above object, a corrugated steel sheet having a predetermined width and length;

A metal mesh spaced apart from the corrugated steel sheet by a predetermined distance;

A plurality of stud bolts fixed to the inside of the corrugated steel sheet to support the metal mesh;

It is characterized by providing a precast arch panel using a corrugated steel sheet in which a concrete structure cured to a predetermined thickness from the corrugated steel sheet is molded into a unit panel.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the precast arch panel using a corrugated steel sheet according to a preferred embodiment of the present invention.

4 is an exploded perspective view showing a construction state of a precast arch panel using a corrugated steel sheet as an embodiment according to the present invention.

The present invention is a preformed arch panel using a corrugated steel sheet, the underground structure crosses the passageway for people or cars, or the culvert for the river or river channel, or the small bridge or temporary temporary facility, or between the mountains or fields It is applied to an ecological movement passage or a soundproof tunnel where animals can move above or below a road to be struck.

Therefore, the present invention uses a corrugated steel sheet 50 having a predetermined width and length. The corrugated steel sheet 50 is formed to have rigidity, that is, sag and resistance in a direction perpendicular to external pressure. The corrugated steel sheet 50 is preferably subjected to hot dip galvanizing on a steel sheet having a predetermined thickness, and the pitch (acid and acid, valley and valley) and depth of the steel sheet are sufficiently designed to overcome the design or applied structure or external pressure. The allowable stress design method is applied, and the strength design method or the load resistance coefficient may be applied depending on the conditions. The minimum height of toffee to ensure the stable behavior of corrugated steel sheet structure, according to the minimum depth of soil cover. In addition, the steel sheet may use aluminum or stainless steel instead of general steel. In the case of the zinc plating, it is excellent in corrosion resistance, maintains anticorrosive action and base metal properties, and has high reliability due to excellent adhesion and durability life due to soil corrosion.

In the cross-sectional view of FIG. 5, the present invention has a form in which a metal mesh 51 embedded in the corrugated steel sheet 50 spaced apart from the corrugated steel sheet 50 by a predetermined distance is supported by a plurality of stud bolts 52. The metal mesh 51 is in the form of a mesh such as a wire mesh. One end of the stud bolt 52 is fixed to the corrugated steel sheet 50, and the other end thereof is configured to support the metal mesh 51.

Therefore, in the state in which the metal mesh 51 is composed of the stud bolts 52 on the corrugated steel sheet 50 is manufactured in the form of a panel combined with the concrete structure. That is, by spraying or filling the concrete to the inside of the corrugated steel sheet 50 by using a die or the like to cure. The metal mesh 51 is to increase the bonding strength of the concrete structure 53 with the corrugated steel sheet 50 together with the stiffness of the concrete structure 53.

As such, the concrete structure 53, which is cured at a predetermined thickness, is integrally coupled to the corrugated steel sheet 50 and manufactured as a unit panel.

The unit panel is roughly divided into side panels 20 and 30, one end of which is fixed to the foundation concrete structure 10 on which the foundation channel is installed, and an upper panel 40 fixed to the other end of the side panels 20 and 30. .

Referring to FIG. 4, the side panels 20, 30 and the top panel 40 are the front panels 21, 31, 41, the rear panels 23, 33, 43, and the front panels 21, 31, 41, respectively. ) And connecting panels 22, 32, 42 which are fixedly installed in one or more between the rear panels 23, 33, 43. The leading panels 21, 31, 41 correspond to the front part of the arch panel structure to be assembled, and the rear panels 23, 33, 43 correspond to the last part of the arch panel structure to be assembled, and the connecting panels 22, 32, 42 is a part which is connected and installed in multiple numbers between the front panel 21, 31, 41 and the rear panel 23, 33, 43. As shown in FIG.

In addition, referring to FIG. 6, in which the side panels 20 and 30 and the upper panel 40 are coupled to each other, the concrete structure 53 coupled to the corrugated steel sheet 50 is disposed on the upper sides of the side panels 20 and 30. ) Is formed with a concave-convex portion 70 consisting of a concave portion 70b and a convex portion 70a. A through hole 58 into which the bolt 55a is inserted is formed at the upper edge of the corrugated steel sheet 50.

Corrugated steel sheet 50 is formed to coincide with the through holes 58 of the side panels 20 and 30 and has fixing holes 56 at both sides of the upper panel 40 to protrude from the concrete structure 53, and the concrete structure ( 53 is composed of a concave-convex coupling with the concrete structure 53 of the side panels (20, 30) consisting of concave-convex portion 72 consisting of concave portion (72b) and convex portion (72a).

The concrete structures 53 of the side panels 20 and 30 and the upper panel 40 to which the unevenness is coupled are formed with through holes 57 on the same axis in the uneven parts 70 and 72, respectively, and the through holes 57. As a fixed shaft (shaft) 62 is coupled. The fixed shaft 62 coupled to the through hole 57 is for achieving the bonding force and rigidity between the panels. The fixed shaft 62 is preferably inserted only into the through hole 57 of the portion where the unit panel is coupled. It may be inserted over and fixed.

The thickness of the concrete structure 53 of the upper panel 40 is preferably greater than the thickness of the corrugated steel sheet 50 than the thickness of the concrete structure 53 of the side panels (20, 30). This is because the corrugated steel sheet 50 of the upper panel 40 overlaps the corrugated steel sheet 50 of the side panels 20 and 30, so that the concrete structure of the upper panel 40 is changed by the thickness of the corrugated steel sheet 50. 53) and the inner surface of the concrete structure 53 of the side panels (20, 30) is to match.

In addition, in FIG. 7 illustrating a connection state between the front panel and the connection panel, fixing holes 56 are provided at one side of the front panel 21 and 31 and the connection panel 22 and 32 of the side panels 20 and 30. The corrugated steel sheet 50 which protrudes is formed, and the through-hole 58 in which the bolt 55a is inserted is formed in the other side of the connection panel 22 and 32 and the rear panel which are inserted into the fixing hole 56, respectively. This will be more clearly understood with reference to the cross-sectional view of FIG. 8. In addition, the upper panel 40 also has a structure in which the side panels 20 and 30 are coupled in the same form and manner.

When the assembly of the side panels 20 and 30 and the upper panel 40 is completed, the inner concrete structures 53 of the side panels 20 and 30 and the upper panel 40 may be coated with paint or tile. It is good to glue and finish. This aims at the beauty of aesthetics and to attain corrosion resistance and heat resistance.

The construction of the precast arch panel using the corrugated steel sheet of the present invention configured as described above will be described with reference to the flowchart of FIG. 9.

First, the process (S11) to step (S15) in the construction of the structure according to the use is the same as the conventional construction order. That is, the foundation grounding process (S11) to expand the excavation by the width of the arch panel to the foundation ground support must be constructed faithfully to the design requirements, the foundation ground should be able to ensure a uniform support throughout the entire section. Furthermore, sufficient space must be secured to assemble and install panels made of precast corrugated steel sheets or to operate equipment such as cranes.

The foundation ground compaction process (S12) of compacting high-quality sand and gravel to ensure sufficient bearing capacity for the entire load including the structure and the backfilling load ensures that the relative displacement is minimized throughout the entire section. Bedding work process (S13) for securing sufficient ground support of the structure is formed by using the sandy soil having good water permeability and good particle size distribution about 60cm from the bottom portion of the structure. The foundation concrete structure installation process (S14), which is installed on both sides of the structure and is installed to secure uniform bearing capacity over all sections of the foundation ground, is performed in a state where reinforcement and formwork for foundation concrete are completed, and the foundation concrete structure is completed. The base channel installation process (S15), which allows the arch panel to be assembled thereon, partially welds the rebar and the base channel to fix the channel first. After the foundation formwork is completed, the foundation channels and anchors are assembled and installed before concrete placement.

As such, when the installation of the foundation channel for fixing the panel to be assembled with the foundation concrete structure is completed, the step of fixing the pre-fabricated side panels (20, 30) to the foundation channel to each of the foundation concrete structure 10, respectively (S16) Do this. That is, referring to FIGS. 7 and 8, the lower ends of the side panels 20 and 30 are fixed to the foundation channel installed on the foundation concrete structure 10 using fixing means or the like. Although the foundation channel is not shown in the drawing, when the foundation concrete structure 10 is poured, the shape steel is integrally fixed to the foundation concrete structure 10. Therefore, the lower part of the side panels 20 and 30 are fixed to the base channel, and then the side panels 20 and 30 are connected to each other in the rear. That is, the front panels 21 and 31 of the side panels 20 and 30 are fixed to the foundation concrete structure 10, and then the plurality of connecting panels 22 and 32 are continuously joined, and finally the rear panels 23, 33), the assembly of the side panels 20, 30 is completed. The continuous assembly of the side panels 20, 30 allows bolts 55a from the inner concrete structure 53 as fastening means 55 to the through holes 58 penetrating the concrete structure 53 and the corrugated steel sheet 50. Assembly is performed by inserting the nut 55b at the end of the bolt 55a after inserting it to the outside of the corrugated steel sheet 50.

When the side panels 20 and 30 are assembled on the foundation concrete structure 10 as described above, the upper panels 40 are coupled to the upper ends of the side panels 20 and 30 to be assembled and installed (S17). That is, in FIG. 6, the upper panel 40 has a corrugated steel sheet 50 protruding from the concrete structure 53 having end portions of the uneven portions 72 formed on both sides thereof, and the corrugated steel sheet 50 protruding from the side panel. The corrugated steel sheets 50 of (20, 30) are superimposed and combined. At this time, the concave and convex portions 70 of the side panels 20 and 30 and the concave and convex portions 72 of the upper panel 40 are inserted and coupled, respectively, and fixing holes formed in the protruding corrugated steel sheet 50 of the upper panel 40 ( Since 56 and the through holes 58 of the side panels 20 and 30 coincide with each other, the bolt 55a is inserted from the inside of the concrete structure 53 and then the nut 55b is fastened to the opposite side, that is, from the upper side of the corrugated steel sheet. Let's do it. The side panels 20 and 30 are inserted by inserting the fixed shaft 62 through the through holes 57 formed in the uneven parts 70 of the side panels 20 and 30 and the uneven parts 72 of the upper panel 40. And increase the bonding force of the upper panel 40.

In addition, the upper panel 40 may also be assembled and coupled to the fixing means 55 while connecting the connection panel 42 from the front panel 41 to the rear panel 43.

10 is a perspective view showing the arch panel in the state of assembly is completed, the front panel 41, the plurality of connecting panel 42 and the rear panel 43 of the side panel (20, 30) and the top panel 40 When each is assembled and assembled, each connection portion performs waterproofing and drainage treatment (S18). At this time, in order to prepare for the water pressure generated from the outside of the structure during construction by providing a drainage induction facility to minimize the occurrence of water pressure is made. This is because the suppression of the generated hydraulic pressure can increase the load of the fill section of the structure, which can affect the displacement of the structure. Furthermore, in order to prevent water from penetrating through the joint 54 or the bolt hole of each panel, an appropriate waterproofing material such as applying asphalt bitumen material to the bolt fastening portion and the overlapping portion is selected to perform surface preservation. In addition, it may be effective to cope with the behavior of the structure by applying a flexible coating such as urethane sealant to the bolt portion and the overlapping portion. In the case of passages it may be desirable to waterproof the surface after back assembly and before filling. And after the waterproofing work is completed, it is good to perform the backfill before the waterproofing material is completely cured (S19).

Backfill is made through the filling and compacting operation by a predetermined height on both sides of the assembled arch panel in FIG.

When the back filling is completed, a fill operation is performed on the upper part of the arch panel or a coating process or a tile is adhered to the surface of the concrete structure 53 integrally formed with the corrugated steel sheet 50 (S20). ). That is, the surface of the concrete structure 53, which is exposed to the inside of the assembled arch panel 100, is evenly flattened and then coated with paint or glued tiles. This is not only to enhance the appearance, but also to enhance the corrosion resistance and fire resistance from corrosion or fire applied from the outside.

While filling may be performed on the upper part of the arch panel at the same time as the back filling, the filling may be performed after the interior treatment such as painting or tile bonding of the concrete structure, if necessary (S21). Filling is a work to clean and compact the soil filled or raised through the front, rear, left and right of the arch panel 100 in FIG. In particular, the left and right sides and the upper end of the arch panel 100 for attaching bricks or tiles together with concrete, etc. for finishing the exterior, backfilling and stabilization, etc. Perform.

Although the present invention in the above description has been shown and described with respect to specific embodiments, it is common in the art that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the utility model registration claims. Anyone with knowledge will know it easily.

As described above, the precast arch panel using the corrugated steel sheet of the present invention is produced by dividing the corrugated steel sheet in which the concrete structure is integrally formed into the side panel and the upper panel, and then the side panel and the top panel on the basic concrete structure. By assembling and combining, the rigidity against external pressure is increased, and the inner surface is molded into concrete structure to improve the fire resistance and corrosion resistance, and the exterior is beautifully finished by painting or attaching tiles to the surface of the concrete structure. It has an effect.

Claims (8)

Corrugated steel sheet having a predetermined width and length; A metal mesh spaced apart from the corrugated steel sheet by a predetermined distance; A plurality of stud bolts fixed to the inside of the corrugated steel sheet to support the metal mesh; Precast arch panel using a corrugated steel sheet, characterized in that the concrete structure that is cured to form a predetermined thickness from the corrugated steel sheet is molded into a unit panel. The method of claim 1, A side panel having one end fixed to the base channel as the unit panel; Precast arch panel using a corrugated steel sheet, characterized in that the upper panel is provided fixed to the other end of the side panel. The method of claim 2, The side panel and the top panel is a precast arch panel using a corrugated steel sheet, characterized in that the front panel and the rear panel, and the connection panel is fixedly installed between one or more of the front panel and the rear panel. The method according to claim 2 or 3, An uneven portion is formed in a concrete structure protruding from a corrugated steel sheet on the upper side of the side panel, and a through hole through which a bolt is inserted is formed at an upper edge thereof. Corrugated steel sheet having fixed holes on both sides of the upper panel corresponding to the through-hole of the side panel is formed to protrude more than the concrete structure, the concrete structure is formed of the uneven portion is used with the corrugated steel sheet, characterized in that coupled to the concave-convex structure of the side panel Precast Arch Panel. The method of claim 4, wherein Precast arch panel using a corrugated steel sheet characterized in that the concave-convex side panel and the concrete structure of the upper panel is formed with through holes on the same axis, respectively, in the concave-convex portion, the fixed shaft is coupled to the through hole. The method of claim 4, wherein Precast arch panel using a corrugated steel sheet, characterized in that the thickness of the concrete structure of the upper panel is greater than the thickness of the corrugated steel sheet than the thickness of the concrete structure of the side panel. The method according to claim 2 or 3, One side of the front panel and the connection panel of the side panel and the upper panel is a corrugated steel plate having a fixed hole is formed protruding, the other side of the connection panel and the rear panel matching the fixing hole is formed with a through hole is inserted into the bolt Precast arch panel with corrugated steel plate. The method of claim 1, Precast arch panel using a corrugated steel sheet, characterized in that the concrete structure on the inner side of the side panel and the upper panel is coated or tiled finish.

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