KR100554342B1 - Lining board and method for manufacturing thereof - Google Patents

Abstract

The purpose of the present invention is to minimize the use of the beam to minimize the damage by reducing the welding site, to secure the rigidity and durability can be lowered the manufacturing cost, the time and effort required for the connection work by simplifying the connection structure of the perforated plate To reduce the

Accordingly, the present invention is a side plate and the side plate constituting both sides, the bottom plate is attached between the two side plate to form a bottom, having a concave-convex cross-sectional structure, the reinforcing structure placed in the bottom plate, the both side plates and the inside of the bottom plate is hardened Concrete is installed, the studs are protruded at intervals on the inner surface of the side plate buried in the concrete, a plurality of reinforcing plates vertically installed at intervals on the outer surface of the side plate, for connecting the perforated plate and the adjacent perforated plate It provides a perforated plate comprising a connecting means installed on the side plate outer surface.

Side plates, bottom plates, concrete, reinforced structures, studs, screw shafts, couplings

Description

Laminated board and its manufacturing method {LINING BOARD AND METHOD FOR MANUFACTURING THEREOF}

1 is a perspective view showing the external appearance of the perforated plate according to an embodiment of the present invention.

Figure 2 is an exploded perspective view showing the configuration of the perforated plate according to the embodiment of the present invention.

3A and 3B are views showing some configurations of the perforated plate according to the embodiment of the present invention.

4 and 5 are cross-sectional views showing the assembled state of the perforated plate according to the embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: perforated plate 20: side plate

21,71: stud 22: gusset

30: bottom plate 31: deck plate

40: reinforcing bar 41: upper reinforcement

42: lower back muscle 43: support member

50: concrete 51: groove

60: screw shaft 61: coupling

62: female thread hole 70: front and rear plate

The present invention relates to a perforated plate and a method of manufacturing the same to ensure structural rigidity against continuous cyclic load action and to reduce manufacturing costs and increase economics.

In general, double-glazed plates are used to cover roads to minimize the impact on traffic volume when digging roads or installing temporary bridges for underground facilities such as subway construction, or steel beams in large buildings with steel structures such as buildings. Installed between them to form a top plate.

Such a perforated plate has a flat rectangular parallelepiped shape. For example, when the road surface is covered, steel beams are installed on the substructure at intervals and are arranged such that dozens or hundreds are arranged evenly between the steel beams, and the vehicle passes over them. And durability is required.

Therefore, the conventional perforated plate is made of steel, and the upper plate and the side plates fixed to both sides of the upper plate, a plurality of rib plates installed at predetermined intervals along the longitudinal direction on the upper plate, and the reinforcement plates fixed to the lower rib plate are welded to each other. It is attached and forms a rectangular board member having a certain thickness.

However, such a conventional perforated plate has various problems as follows.

First, there is a high probability that welding defects occur due to the production of a perforated plate by connecting various types of beams, such as H-beams, by welding, thereby causing a problem of shortening the life of the perforated plate due to breakage of the welded part.

Second, as a plurality of beams are used to manufacture the perforated plate, there is a problem in that the manufacturing cost is increased.

Third, it is difficult to connect the perforated plates, so it takes a lot of time and effort to connect them. In severe cases, the flatness of the road surface constructed by the perforated plates is lowered by simply placing them side by side on the steel beam without connecting the perforated plates. In addition to providing anxiety to the problem, there is a problem that leads to a traffic accident if it provides a cause of the vehicle failure.

The present invention has been invented to solve the problems of the prior art described above, an object of the present invention is to provide a perforated plate and a method of manufacturing the same to reduce the welding area to minimize the damage.

In addition, the present invention is to provide a perforated plate and a method of manufacturing the same that can be lowered the manufacturing cost by securing the rigidity and durability while minimizing the use of the beam.

In addition, the present invention is to provide a porous plate and a method of manufacturing the same to simplify the connection structure of the porous plate to reduce the time and effort required for the connection operation.

In order to achieve the above object, the perforated plate of the present invention has a side plate forming both sides, a bottom plate attached to the bottom plate is formed between both side plates, the reinforcing structure placed on the bottom plate, concrete poured on the deck plate It includes.

Accordingly, by using concrete as a top plate of the beam, it is possible to manufacture a perforated plate having rigidity and durability through concrete and steel structures while minimizing the use of the beam.

In this case, it is preferable that both side plates use a beam of type I.

In addition, coupling means may be further installed on the inner surface of the side plate to increase the bonding force between the concrete and the side plate.

In addition, the side plate may be further attached to the reinforcing member along the longitudinal direction.

On the other hand, the perforated plate of the present invention may further include a connecting means installed on the outer side of the side plate for the connection with the adjacent perforated plate.

The connecting means may include a coupling coupled to the screw shaft is attached to the outer side and the screw shaft formed in each side plate of the adjacent perforated plate is formed with female threaded holes in opposite directions, respectively at both ends.

Here, the connecting means is preferably installed at each end of each side plate.

The bottom plate is attached between the two side plates to serve as the formwork of the concrete, it is preferably made of a concave-convex cross-sectional structure to minimize the amount of concrete to be filled.

In addition, the bottom plate may be one member integrally formed in accordance with the size of the perforated plate, it may be configured by welding a plurality of members that are bent in the form of a channel along the longitudinal direction.

In addition, the perforated plate further includes a front plate thick plate attached between the side plate and placed on the front and rear.

In addition, like the side plate, the inner side of the side plate may be further provided with a coupling means to increase the bonding force between the concrete and the side plate.

The reinforcing structure may include an upper reinforcing bar that crosses at a right angle, and a lower reinforcing bar installed along the upper reinforcing bar and extending inward along the cross-sectional structure of the bottom plate.

And the concrete is a mixture of cement and aggregate, in the present embodiment may further contain powder.

In addition, the perforated plate is preferable to be able to prevent the sliding of the top plate by processing a variety of grooves on the upper surface of the hardened concrete.

On the other hand, the manufacturing method of the ventilated plate of the present invention for producing a ventilated plate of the above structure, the studs are attached to the inner surface of both side plates, the outer surface is welded and attached to the screw shaft and the reinforcement at intervals along the longitudinal direction of the side plate Welding and attaching the plate,

Connecting both side plates and the bottom plate by welding and attaching the bottom plate to the manufactured side plate,

Disposing a reinforcing structure in the bottom plate,

The side plate and the bottom plate as a formwork comprises the step of filling the concrete into the inside and then hardening.

In addition, the present invention may further comprise the step of forming a non-slip groove on the upper surface of the cured concrete.

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

1 is a perspective view showing the appearance of the perforated plate according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing the configuration of the perforated plate according to an embodiment of the present invention, Figures 4 and 5 are embodiments of the present invention It is sectional drawing which shows the assembly state of the perforated plate which concerns on this.

According to the drawings, the perforated plate 10 according to the present embodiment is placed in the longitudinal direction to form both sides of the side plate 20, and the front and rear plate 70 is installed at both ends of the both side plates to form the front and rear, The bottom plate 30 attached to the both side plates 20 and the front and rear plates 70 to form a bottom and having a concave-convex cross-sectional structure, a reinforcing structure 40 placed in the bottom plate 30, and both side plates ( 20 and the bottom plate 30 is filled in the concrete 50 for coupling the respective components, protrudingly installed at intervals on the inner surface of the side plate 20 and the front and rear plates 70 in the concrete 50 Studs 21 and 71 to be buried, a plurality of reinforcing plates 22 installed vertically at intervals on the outer surface of the side plate 20, the connection to the perforated plate 10 and the adjacent perforated plate 10 Side plate 20 includes a connecting means installed on the outer surface.

The side plate 20 is composed of an I-beam or H-beam, and both sides end vertically in the state laid down in the longitudinal direction so that the middle plate forms an inner side and an outer side.

In addition, the front and rear plate 70 is made of a predetermined thickness (preferably greater than the thickness of the bottom plate 30) and the height is a rectangular plate having a height corresponding to the side plate is bent at a right angle to the inside is " It is attached to the tip of the side plate 20 by forming a "c" shape.

And the inner side of the side plate 20 and the front and rear plate 70 may be further provided with a coupling means to increase the bonding force between the concrete and the side plate 20 and the front and rear plate 70.

The coupling means is a plurality of studs (21, 71) to be welded at intervals as shown in Figure 2 and the coupling member 23 is installed on the side plate 20 and the front and back plate 70 is bent toward the bottom , 72).

Accordingly, the studs 21 and 71 attached to the side plate 20 and the front and rear plates 70 and / or the coupling members 23 and 72 are buried into concrete, thereby increasing the bonding force between the side plates and the front and back plates and the concrete. Will be.

As shown in FIG. 2, the studs 21 and 71 are welded vertically to the inner surface at a predetermined interval and protrude inwardly.

The studs 21 and 71 are cylindrical members whose one side is welded to the side plate 20, and are embedded in the concrete 50 in a head-shaped structure at the free end, such as a bolt head, so that the side plates 20 and concrete ( 50) will increase the binding force.

The installation position and the number of installation of the studs 21 and 71 are not particularly limited.

On the other hand, with reference to Figure 3 with respect to the coupling member in more detail as follows. 3A illustrates an example of a coupling member 72 installed on a front and rear plate 70, wherein the coupling member 72 is bent at a right angle to the letter “b” to be welded to an inner surface at an upper end of the front and rear plate 70. Attached and bent surface is vertically lowered to the bottom structure.

In addition, the vertical surface has a structure in which a groove 73 of an arc shape is formed continuously at intervals.

Accordingly, the front and rear plates 70 are integral with the concrete by the studs, and the coupling member 72 bent downward is buried in the concrete so that the concrete is integrated with the upper bent portion of the front and rear plates 70. In other words, it is to be able to pull the bent portion to prevent the opening of the upper side contact portion.

Figure 3b is a view showing another embodiment of the coupling member, according to the above drawings, the coupling member 74 has a structure in which the reinforcing bar is bent at a right angle.

This structure also enables the reinforcing bar attached to the front and rear plates 70 to be buried in concrete, thereby further reinforcing the coupling force of the front and rear plates 70.

Herein, only the case where the coupling member is applied to the front and rear plates 70 has been described. However, the structure may be applied to the side plate 20 as it is.

In addition, a plurality of reinforcing plates 22 are further attached to the outer surface of the side plate 20 in the vertical direction. The reinforcing plate 22 is preferably made of the same material as the side plate 20 or a material having a higher rigidity than the side plate 20, and is not particularly limited with respect to the installation position or the number of installation of the side plate 20.

On the other hand, the bottom plate 30 is to serve as a formwork when placing the concrete 50 and integrally attached to the concrete 50 to serve as a top plate of the perforated plate 10, in this embodiment 2 As described above, a plurality of deck plates 31 bent in a trapezoidal cross-sectional shape to form a channel shape along a longitudinal direction are provided, and the side ends of each deck plate 31 are welded to each other.

The deck plate 31 is disposed in the longitudinal direction of the front and rear plate 70 is attached to the state extending over the inner bottom of the side plate 20, the deck plate 31 located on the outermost of the deck plate 31 The side end is fixed by welding to the lower end of the front and rear plate (70).

Of course, in addition to the structure of forming a single bottom plate 30 by connecting a plurality of deck plates 31 by welding as described above, a plurality of deck plates 31 may be integrally formed to form a single member, In this case, the welding work between the deck plates 31 may be omitted, and the bottom plate 30 made of just one member may be directly attached to the side plate 20.

Here, the bottom plate 30 made of the deck plate 31 is formed as a cross-sectional structure of the concave-convex shape, as mentioned above, it is possible to secure the rigidity of the bottom plate 30 itself and both side plates 20 and the front and rear By reducing the concrete placing space made by the plate 70 it is possible to reduce the amount of the concrete 50 to be placed in the bottom plate 30 to reduce the weight of the perforated plate 10 to some extent.

In addition, the reinforcement structure 40 is buried together with the concrete 50 to increase the rigidity of the concrete 50 as shown in FIG. It is installed along the 41 and includes a lower back muscle 42 extending downward along the uneven cross-sectional structure of the bottom plate (30).

The reinforced muscle arrangement structure of the reinforcing bar structure 40 is not limited to the present embodiment, and various embodiments applied to increase the structural rigidity of the perforated plate 10 will also belong to the technical scope of the present invention.

Reference numeral 43, which is not described herein, is a support member installed between the bottom plate 30 and the rebar structure 40 to space the reinforcing structure 40 from the bottom plate 30 by a predetermined interval.

Preferably, the support member 43 is made of a stud bolt welded on the deck plate 31 to increase the coupling force between the deck plate 31 and the concrete.

And the concrete 50 to be poured on the bottom plate 30 is a mixture of the aggregate and cement in this embodiment is used high-strength concrete (50) containing ear powder.

The concrete 50 is filled in both the side plate 20 and the bottom plate 30 is hardened to form a top plate and in this embodiment of the horizontal or vertical direction for preventing slipping on the top surface of the concrete 50 forming the top plate The groove 51 is further formed.

On the other hand, the connecting means is for fixing and fixing the perforated plate 10 and the adjacent perforated plate 10 having the above structure to each other, is installed in the vertical direction on the outer surface of the side plate 20 of the perforated plate 10 and the surface Couplings in which female threaded holes 62 in opposite directions are machined at both ends so as to be mutually fastened between the threaded shaft 60 and the threaded shaft 60 provided on each side plate 20 of the adjacent perforated plate 10. coupling; 61).

Accordingly, when the coupling 61 is rotated while the screw shafts 60 formed on the side plates 20 of both of the two perforated plates 10 are respectively fastened to the female threaded holes 62 of the coupling 61, the coupling ( 61) is fastened to the screw shaft 60 is that both of the two perforated plate 10 can be simply connected.

In this case, the installation position of the screw shaft 60 is preferably installed to be biased to the upper side of the side plate 20 in consideration of the convenience of the connection work and the load applied to the upper surface of the peritoneal plate.

In addition, the installation number of the screw shaft 60 is not particularly limited and is preferably provided on each of both sides of the outer surface of the side plate 20.

Hereinafter, the manufacturing process of the perforated plate 10 according to the present invention will be described.

The side plate 20 is formed by cutting the I-beam or H-beam to a prescribed dimension, and welds and attaches the studs 21 to the inner side of the side plate 20, and attaches the screw shaft 60 to the outer side. Weld on. The reinforcing plate 22 is welded to the outer surface of the side plate 20 at intervals along the length direction.

The side plate 20 manufactured as described above is laid down in the longitudinal direction, and the side ends are vertically placed at regular intervals, and the deck plate 31 constituting the bottom plate 30 is placed at right angles to the side plate 20. The bottom plate 30 is welded to the side plate 20 to connect both side plates 20 and the bottom plate 30 to one.

Here, the bottom plate 30 is able to complete a single bottom plate 30 suitable for the size of the perforated plate 10 by welding each deck plate 31 to each other.

Then, the front and rear plates 70 are brought into close contact with each front end of both side plates 20 to be fixed by welding to the front ends of the side plates 20, and the side ends of the deck plates 31 positioned at the outermost side of the bottom plate 30 are moved back and forth. By welding to the plate 30, the side plate 20, front and rear plates 70 and the bottom plate 30 is fixed to one.

The front and rear plates 70 are welded to the inner surface of the studs 71 in the same manner as the side plates 20.

When the side plate 20 and the bottom plate 30 and the front and rear plates 70 are attached as described above, the reinforcing structure 40 is constructed on the bottom plate 30. At this time, the reinforcing structure 40 is spaced apart from the bottom plate 30 by supporting the reinforcing structure 40 by using a separate support member 43 on the upper surface of the bottom plate 30.

Next, the side plate 20, front and rear plate 70 and the bottom plate 30 as a formwork to inject the hardened by mixing the concrete (50) mixed with the inside and then hardened.

And when the concrete 50 is hardened as described above, by forming a non-slip groove 51 in the horizontal or vertical direction on the upper surface of the concrete 50 it is possible to manufacture a single perforated plate 10.

On the other hand, in the construction of the above-described prepared perforated plate 10, road road or building, etc., a plurality of perforated plates 10 disposed between the steel beams are simply connected and assembled by the screw shaft 60 and the coupling 61. .

That is, the screw shafts 60 are formed at positions corresponding to each other on the outer side surfaces of the side plates 20 of each of the plurality of perforated plates 10, thereby coupling the screw shafts 60 provided on the side plates 20 of the respective perforated plates 10. 61 is fastened to both ends of the female screw hole 62 and the female screw hole 62 is rotated in one direction, the respective screw shafts 60 are fastened to the female screw hole 62, and the adjacent perforated plates 10 are connected and fixed to each other. will be.

As described above, the porous plate according to the present invention can reduce the self-weight of the porous plate and reduce the manufacturing cost by minimizing the use of the steel beam such as the I-beam or H-beam.

In addition, by reducing the process of welding a plurality of steel beams in the manufacturing process of the perforated plate it is possible to prevent the failure of the perforated plate due to the poor welding or deterioration of life, it is possible to reduce the time and effort required for the welding operation.

In addition, in the construction of the perforated plate, the connection work between the perforated plate is easy to shorten the air, of course, even a non-skilled person can be simply installed to reduce the cost incurred during construction.

Claims (20)

Side plates constituting both sides, and the bottom plate is attached between the two side plates to form a bottom and having a concave-convex cross-sectional structure, the reinforcing structure placed in the bottom plate, the concrete is filled and hardened in the both side plates and the bottom plate, Studs protruded at intervals on the inner side of the side plate and buried in the concrete, a plurality of reinforcement plates vertically installed at intervals on the outer side of the side plate, and the side plate outer side for connecting the perforated plate and the adjacent perforated plate. A perforated plate comprising a connecting means installed in. According to claim 1, wherein the connecting means is installed in the vertical direction on the outer side of the side plate and threaded on the surface of the screw shaft and the opposite of the opposite ends so as to be mutually fastened between the screw shafts provided on each side plate of the adjacent perforated plate A perforated plate comprising a coupling with a female threaded hole. 3. The perforated plate according to claim 2, wherein the screw shaft is disposed on an upper portion of the side plate. 3. The perforated plate according to claim 1 or 2, wherein the side plate is made of an I-beam or an H-beam. The perforated plate according to claim 1, wherein a coupling member bent downward is attached to the upper side of the side plate to be buried in the concrete. 6. The plate according to claim 5, wherein a plurality of grooves are formed at intervals in the coupling member. 6. The perforated plate according to claim 5, wherein the coupling member is made of rebar. The perforated plate according to claim 1 or 2, wherein the bottom plate has a structure in which a plurality of deck plates bent in a trapezoidal cross-sectional shape to form a waterway shape along a longitudinal direction are welded to each other. According to claim 1 or claim 2, The bottom plate is a plurality of deck plate is formed integrally formed with a single plate, characterized in that the perforated plate. According to claim 1 or claim 2, wherein the reinforcing bar structure includes an upper reinforcement muscles arranged to cross, and a lower reinforcement muscles installed along the upper reinforcement muscles extending downward along the uneven cross-sectional structure of the bottom plate The perforated plate characterized by the above-mentioned. 3. The perforated plate according to claim 1 or 2, wherein the concrete further comprises fine powder. The vent plate according to claim 1 or 2, wherein a groove in a transverse direction or a longitudinal direction is further formed on an upper surface of the vent plate. 3. The perforated plate according to claim 1 or 2, further comprising a front and rear plate attached to both ends of the pair of side plates to form a front and rear surface. 14. The perforated plate according to claim 13, wherein the front and rear plates are provided with a plurality of studs protruding from the inside of the concrete. 15. The method according to claim 13, wherein the coupling member bent downward toward the top of the front and rear plates are attached to the concrete plate. The method of claim 15, wherein the plurality of grooves are formed in the coupling member spaced apart plate characterized in that the grooves. The method of claim 15, wherein the coupling member is a perforated plate, characterized in that made of rebar. Welding and attaching studs to inner surfaces of both side plates, welding attaching screw shafts to outer surfaces, and welding reinforcing plates at intervals along the longitudinal direction of the side plates; Welding the bottom plate to the manufactured side plate and connecting both side plates and the bottom plate to one; Placing a reinforcing structure in the bottom plate; Hardening the concrete after filling the side plate and the bottom plate as a formwork by injecting concrete into it Perforated plate manufacturing method comprising a. 19. The method of claim 18, further comprising forming an anti-slip groove on the upper surface of the hardened concrete. 20. The method of claim 18 or 19, further comprising the step of connecting the adjacent perforated plate to each other by fastening the coupling to the screw shaft provided on the outer side of the side plate.

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