KR102184362B1 - Road deck panel and its manufacturing method - Google Patents

Abstract

The present invention includes a body having a space portion therein, and a main member cured by pouring concrete into the space portion of the main body, wherein a rigid member provided in the body space portion to improve the rigidity of the abdominal plate, the main member and the body It is provided with a protrusion member for improving the coupling force of the retracted plate, characterized in that it further comprises a lifting means for lifting the overhang plate.

Description

Road deck panel and its manufacturing method {Road deck panel and its manufacturing method}

The present invention relates to a receding plate and a method of manufacturing the same, and more particularly, to a receding plate having increased rigidity and improved productivity while being able to reduce noise and vibration generated by a passing vehicle or the like, and a manufacturing method thereof.

In general, when performing underground construction on the road, a dugout plate is installed so that vehicles can pass to the ground, and the dugout plate is installed on the upper side while a supporting structure is installed in the basement with H-beam or I-beam.

The general construction board constructed as described above is a structure in which the beams are abutted to each other in the width direction, and angled locking holes for fixing the position of the double hole are attached to both ends on the floor.

Such a conventional double-hole plate has a problem of generating noise and vibration due to resonance because the joint portion is weak due to welding of a plurality of section steels, and deformation may occur due to continuously applied loads and shocks, and an empty space is formed inside. there was.

In recent years, various ventilating plates have been developed, and there have been concrete ventilating plates of various shapes provided with a cover member surrounding the outside of the concrete.

There was a structure in which a cover member for covering both sides and front and rear surfaces of the concrete was provided among the conventional concrete reinforcement plates as described above, but there is a problem that deformation and damage of the reinforcement plate occur due to insufficient tensile force against a vertical load.

In addition, a structure provided with a cover member covering the lower and both sides of the concrete, and the front and rear sides, respectively, has been developed. However, as each cover member is bonded and manufactured, there is a problem in that a weak area is created at each joint, causing deformation and damage. there was.

In addition, in the case of the concrete double-hole plate as described above, the joint portion of the steel and concrete may be broken due to repeated impact loads, and there is a problem in that the concrete is damaged.

Republic of Korea Patent Publication Registration No. 10-0707129 Korean Registered Patent Publication No. 10-0665967 Republic of Korea Patent Application Publication No. 10-2015-0124863

The present invention is intended to solve the above-described problem, and is configured in a form of covering the side and lower sides and the front and rear of the concrete with a steel material to prevent damage to the concrete due to external impact, and by bending one plate By integrally forming both side plates, tension and sagging are prevented to increase the stiffness of the reclining plate, and deformation and damage are prevented by reducing the joint area, and noise and vibration are reduced due to no empty space inside, and manufacturing thereof. We want to provide a way, but it has a purpose.

However, the object of the present invention is not limited to the above-mentioned object, and another object that is not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention includes a body made of steel and having a space portion therein, and a main member cured by pouring concrete into the space portion of the body, and is provided in the body space to increase the rigidity of the double hole plate. A stiffening member for improving, a protruding member for improving a coupling force between the main member and the main body, and a lifting means for lifting the stiffening plate is provided.

In addition, the abdominal plate may further include a cover member provided on an outer surface of the main body to reduce noise and vibration.

In addition, the main body comprises a bottom plate portion, a bending plate consisting of both side plates formed integrally with the bottom plate by bending both sides of the long side, and front and rear plates coupled to the front and rear surfaces of the bending plate. The upper portion of the bent plate is bent to form a rounded corner portion at a predetermined curvature, and the both side plates and upper ends of the front and rear plates are formed with bent portions bent inside the body space.

In addition, the main body is further provided with a cover plate covering the opened upper side of the main body, and a plurality of protrusions are formed on the lower side of the cover plate to improve bonding with concrete.

In addition, the cover member is provided with a shock absorbing pad attached to the outer surface of the main body or an elastic band integrally surrounding the outer surface of the main body, and the shock absorbing pad and the elastic band are made of a rubber material or a synthetic resin material.

In addition, the rigid member includes a support disposed along the long side length direction of the main body on the upper side of the bottom plate, a first reinforcing bar provided on the upper side of the support and disposed perpendicular to the long side length direction, and the first reinforcing bar. And a second reinforcing bar provided on the upper side of the main body and disposed along the long side length direction of the main body, and a rib provided between the lower side of the bent portion and the bottom plate portion to support the bent portion.

In addition, the second reinforcing bar may be bent upward to face a vertical load received from the upper portion of the reinforcing plate.

In addition, a plurality of the protrusion members are provided on the upper side of the bottom plate, and include a body having a predetermined height, and a protrusion protruding outward from the upper end of the body along the outer peripheral surface of the body.

In addition, the lifting means is provided with a sealed lifting body consisting of an upper surface having a ring hole formed therein, a lower surface facing the upper surface, and a side surface surrounding the upper and lower surfaces, wherein the upper surface of the lifting body is external from the main member. It is exposed to and is coupled to the inside of each corner of the main body.

In addition, when the base board is installed and the base board, the first board on one side of the base board, and the second and third boards disposed above or below the reference board and the first board are provided, the reference board and Separate noise-preventing pads are provided at the corners where the first, second, and third ventilated plates contact to reduce vibration and noise.

In addition, the noise-preventing pad includes a plate material supporting a lower side of a corner portion where the reference plate and the first, second, and third plate are in contact, and a'+' shape protruding from the plate material to the upper side to be provided at a gap between the plate material. A pinching protrusion is formed.

On the other hand, in the method of manufacturing a duplex board for smooth traffic and passage in a temporary bridge, a space part is formed therein, the step of providing a body having a body made of steel, and reducing noise and vibration from the outer surface of the body. A step of providing a cover member having a cover member, a step of arranging a rigid member of arranging a rigid member in the space portion, attaching a lifting means for lifting the double hole plate to the body, and pouring concrete into the space portion. It comprises a concrete pouring step, and a concrete curing step in which the concrete is cured.

In addition, the step of providing the body includes: providing a rectangular bent plate having a long side and a short side; providing a front and a rear plate coupled to the front and rear sides of the bending plate; and both ends of the long side of the bending plate Forming a bent portion by first bending the bending plate; forming a bottom plate portion that is a side portion of the body and a bottom plate portion that is a lower portion by second bending both sides of the long side of the bent plate; and bending the front and rear plates And forming a portion and coupling the front and rear plates to the bent plate.

In addition, the step of providing the bent plate includes forming a protruding member for improving the bonding force between the concrete and the main body on the bottom plate, wherein a plurality of protruding members are provided on the upper side of the bottom plate and have a predetermined height. It comprises a body and a protrusion protruding outward from the upper end of the body along the outer peripheral surface of the body.

In addition, the step of providing the cover member includes attaching a shock absorbing pad to the outer surface of the main body or wrapping an elastic band on the outer surface of the main body, wherein the shock absorbing pad and the elastic band are made of rubber or synthetic resin. Consists of

In addition, the step of arranging the rigid member includes attaching a rib provided between the lower side of the bent portion and the bottom plate to support the bent portion, and attaching a support disposed along the long side length direction of the main body to the upper side of the bottom plate portion. And attaching a first reinforcing bar provided on an upper side of the support to be perpendicular to a long side length direction, and attaching a second reinforcing bar along the long side longitudinal direction of the body provided on an upper side of the first reinforcing bar It includes the step of doing.

In addition, prior to the step of attaching the second reinforcing bar, it includes the step of bending the second reinforcing bar to have a predetermined radius of curvature, wherein the second reinforcing bar is directed to the upper side so that the second reinforcing bar faces the vertical load received from the top of the reinforcing plate. It is equipped to do.

In addition, the step of attaching the lifting means includes providing a lifting body having a hollow box shape inside and having a through-hole formed on the upper surface thereof, and coupling the upper surface of the lifting body to the inside of each corner of the body so that the upper surface of the lifting body is exposed to the outside. It is made including.

In addition, after the step of placing the concrete, the step of providing a cover plate covering the opened upper portion of the main body, wherein a plurality of protrusions are formed on the lower side of the cover plate may improve bonding with concrete.

Features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

Prior to this, terms or words used in the present specification and claims should not be interpreted in a conventional and dictionary meaning, and the inventor may appropriately define the concept of the term in order to describe his or her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that there is.

As described above, according to the present invention, since no empty space is formed inside, it is possible to efficiently respond to noise and vibration, so that usability can be secured greatly, and the side and the lower side and the front and rear sides of the concrete are wrapped with steel material. It is composed of, and by integrally forming the lower plate and both side plates, there is an effect of providing a double-hole plate and a method of manufacturing the same, which improves usability by reducing impact by increasing stiffness and preventing damage due to impact load.

In addition, by integrating steel and concrete to manufacture, the rigidity increases and the thickness of the reinforcing plate is reduced, and it is cheaper than the conventional reinforcing plate, and there is an effect of providing a reinforcing plate and its manufacturing method with a simple manufacturing process.

1 is a perspective view schematically showing a ventilated plate according to an embodiment of the present invention,
2 is a perspective view schematically showing a state in which a shock absorbing pad and an elastic band are attached to the abdominal plate according to a preferred embodiment of the present invention;
3 is a perspective view schematically showing a state in which a cover plate is provided according to a preferred embodiment of the present invention;
Figure 4 is a perspective view of the ventilating plate before the concrete is poured into the ventilating plate according to an embodiment of the present invention,
FIG. 5 is a perspective view of an abdominal plate before concrete is poured into the abdominal plate to which a bent second reinforcing bar is laid according to a preferred embodiment of the present invention;
6 is a perspective view schematically showing the structure of a main body having a protruding member according to an embodiment of the present invention;
7 is a cross-sectional view of the reconstruction plate according to an embodiment of the present invention,
8 is a plan view schematically showing a state in which a noise prevention pad is provided according to a preferred embodiment of the present invention;
9 is a perspective view (a) and a plan view (b) of a noise prevention pad according to a preferred embodiment of the present invention,
Figure 10 is a coupling diagram (c) and a coupling cross-sectional view (d) of the pad for noise prevention according to another embodiment of the present invention,
11 is a flow chart of a method for manufacturing a double hole plate according to a preferred embodiment of the present invention,
FIG. 12 is a cross-sectional view of a ventilating plate provided with pipes and wires according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention and may vary according to the intention or custom of users or operators. Therefore, definitions of these terms should be made based on the contents throughout the present specification.

In addition, the following examples do not limit the scope of the present invention, but are merely exemplary matters of the elements presented in the claims of the present invention, and are included in the technical idea throughout the specification of the present invention and the composition of the claims. Embodiments including elements that can be substituted as equivalents in elements may be included in the scope of the present invention.

1 is a perspective view schematically showing the abdominal plate according to a preferred embodiment of the present invention, and FIG. 2 is a perspective view schematically showing a state in which a shock absorbing pad and an elastic band are attached to the abdominal plate according to a preferred embodiment of the present invention 3 is a perspective view schematically showing a state in which a cover plate is provided according to a preferred embodiment of the present invention, and FIG. 4 is a perspective view of a ventilating plate before concrete is placed on the ventilating plate according to a preferred embodiment of the present invention, and FIG. 5 Is a perspective view of an abdominal plate before concrete is poured into the abdominal plate to which the bent second reinforcing bar is laid according to a preferred embodiment of the present invention, and FIG. 6 is a schematic view of the structure of a body having a protruding member according to a preferred embodiment of the present invention. 7 is a cross-sectional view of the abdominal plate according to a preferred embodiment of the present invention, Figure 8 is a plan view schematically showing a state provided with a noise prevention pad according to an embodiment of the present invention, Figure 9 is the present invention A perspective view (a) and a plan view (b) of a noise prevention pad according to an embodiment of the present invention, FIG. 10 is a combination view (c) and a combined cross-sectional view (d) of the noise prevention pad according to another embodiment of the present invention, 11 is a flow chart of a method for manufacturing a ventilating plate according to a preferred embodiment of the present invention, and FIG. 12 is a cross-sectional view of a ventilating plate provided with pipes and wires according to a preferred embodiment of the present invention.

As shown in Fig. 1 below, the reconstruction plate 10 according to the present invention is made of a steel material, and a body 100 having a space 101 formed therein, and a concrete space 101 of the body 100 It consists of including a main member 200 cured by pouring.

In addition, at the lower side of the abdominal plate 10, an angled locking hole for fixing the position of the abdominal plate 10 is installed, and may be attached to both ends by welding.

In addition, the abdominal plate 10 is provided on an outer surface of the main body 100 to reduce noise and vibration, and a cover member 300 is provided in the space 101 of the main body 100 to provide the abdominal plate 10 It comprises a rigid member 400 for improving the rigidity of the, a protrusion member 500 for improving the coupling force between the main member 200 and the body 100, and a lifting means for lifting the retractable plate 10.

At this time, the main body 100 includes a bending plate 110 comprising a bottom plate 111 and both side plates 112 formed integrally with the bottom plate 111 by bending both sides of the long side, and the bending plate ( 110) comprises front and rear plates 120 and 130 coupled to the front and rear surfaces of the body 100, and the upper portion of the body 100 is opened, and the bent plate 110 is bent and rounded at a predetermined curvature. Is formed.

Further, the both side plate portions 112 and upper ends of the front and rear plates 120 and 130 are formed with bent portions 140 bent into the body space portion.

Accordingly, the ventilated plate 10 according to the present invention is configured in a form of enclosing the side and the lower side and the front and rear surfaces of the main member 200 with steel, thereby preventing damage due to external impact.

In addition, the conventional ventilated plate is manufactured by bonding each of the lower plate, both side plates, front and rear plates, and there is a problem in that a weak area is generated by the joint, resulting in deformation and damage.

However, the double hole plate 10 according to the present invention can prevent deformation and breakage by reducing the joint portion by bending one plate to form the bottom plate portion 111 and both side plate portions 112.

In addition, the upper extremity bottom plate 111 reinforces tensile force to the abdominal plate 10 by acting as a tension member, and the both side plates 112 act as a web to prevent sagging of the abdominal plate 10. It has the effect of reducing the thickness of the abdominal plate by increasing the rigidity than that of the abdominal plate.

In addition, since concrete is poured into the space portion 101 of the main body 100 and no empty space is formed therein, noise and vibration are reduced and reduced.

In addition, the bending plate 110 is bent to form a corner portion 113 rounded at a predetermined curvature, thereby preventing damage to the corner portion.

On the other hand, the cover member 300 is provided with a shock absorbing pad 310 attached to the outer surface of the main body 100 or an elastic band 320 integrally surrounding the outer surface of the main body 100, the impact The absorption pad 310 and the elastic band 320 are made of a rubber material or a synthetic resin material.

Therefore, it is possible to reduce shock, vibration, and noise by the shock absorbing pad 310 and the elastic band 320, and not only improve the bonding force of the body 100 by the elastic band 320, but also the body 100 The bonding force of the and the main member 200 can be improved together.

On the other hand, the rigid member 400 is provided on the upper side of the support 410 disposed along the long side length direction of the main body 100 on the upper side of the bottom plate 111, and the long side A first reinforcing bar 420 disposed perpendicular to the longitudinal direction, and a second reinforcing bar 430 provided on an upper side of the first reinforcing bar 420 and disposed along the long side length direction of the main body 100, and the It comprises a rib 440 provided between the lower side of the bent part 103 and the bottom plate part 111 to support the bent part 103, and the rigid member 400 is welded to the main body 100 And can be joined.

In addition, both ends of the first reinforcing bar 420 and the second reinforcing bar 430 are joined to and integrated with the body 100 by welding, thereby preventing deformation of the body 100 and distributing the load to increase rigidity.

In addition, by preventing the breakage of the bent portion 103 by the rib 440 and supporting the first reinforcing bar 420 by the support 410, sagging of the reinforcing plate 10 may be prevented.

In this case, the second reinforcing bar 430 may be provided by being bent upward to face a vertical load received from the upper portion of the abdominal plate 10.

In other words, the reinforcing plate 10 has improved bonding strength by integrating steel (iron) and concrete having similar expansion coefficients, and by applying pre-stress, the stiffness against the bending load is increased, so that the thickness of the reinforcing plate 10 can be made smaller than that of a conventional reinforcing plate made of only steel. have.

Therefore, the weight of the retractable plate 10 is reduced, making it easier to manufacture and reducing production costs, thereby improving productivity.

On the other hand, the protrusion member 500 is provided on the upper side of the bottom plate portion 111, a body 510 having a predetermined height, and along the outer peripheral surface of the body 510 at the upper end of the body 510 It comprises a protrusion 520 protruding outward.

In addition, the rigid member 200 includes a hollow pipe 450 inserted into a fitting hole H formed therethrough so as to face the front and rear plates 120 and 130 and a wire 460 inserted into the pipe 450. ), and a cap 470 provided outside the front and rear plates 120 and 130 to fix the wire 460 and cover the fitting hole H may be further provided.

In this case, the pipe 450 may be bent and provided to have a predetermined radius of curvature, and it is preferable that the pipe 450 is provided on the lower side of the second reinforcing bar 430.

In addition, the wire 460 provided in the pipe 450 may be fixed in a state pulled to both sides after the concrete is cured to apply prestress, thereby increasing rigidity against a bending load.

On the other hand, the lifting means is provided with a sealed lifting body 600 consisting of an upper surface having a ring hole 610 formed thereon, a lower surface facing the upper surface, and a side surface surrounding the upper surface and the lower surface.

That is, the lifting means is provided with a lifting body 600 in the form of a box that is sealed while the ring hole 610 penetrated through the upper surface is formed.

And the lifting body 600 is coupled to the inside of each corner portion of the body 100 while the upper surface of the lifting body 600 is exposed to the outside from the main member 200.

Therefore, concrete does not flow into the lifting body 600, and when the lifting plate 10 is lifted, a lifting ring is provided into the ring hole 610 so that the operator can conveniently lift the lifting plate 10.

In addition, due to the lifting means, it is convenient to lift the underpass plate 10, and there is no member protruding from the upper side of the underpass plate 10 even after being installed on the site, so that there is a safe effect for vehicle passage.

On the other hand, the main body 100 may be further provided with a cover plate 150 covering the opened upper side of the main body 100, a plurality of protrusions (not shown) are formed on the lower side of the cover plate 150 It can improve the bonding strength with concrete.

In addition, a through hole 151 corresponding to the ring hole 610 is formed in the cover plate 150, and the upper side of the abdominal plate 10 is protected from impact by the cover plate 150 to prevent the main member 200 ) Can be prevented from being damaged.

On the other hand, the top of the base board 10a, the first board 10b placed on one side of the base board 10a, the reference board 10a and the first board 10b, or When the second and third ventilated plates 10c and 10d disposed at the bottom are provided, vibration and noise are provided at the corners where the reference ventilated plate 10a and the first, second, and third ventilated plates 10b, 10c, and 10d contact each other. A separate noise-preventing pad 800 is provided to reduce the noise.

In addition, the noise-preventing pad 800 includes a plate material 810 supporting the lower side of the corner portion where the reference sub-divided plate 10a and the first, second, and third sub-conducting plates 10b, 10c, and 10d are in contact, and the plate material 810 In the'+' shape is formed to protrude to the upper side, and the pinching protrusions 820 provided at the intervals between the double hole plates 10a, 10b, 10c, and 10d are formed.

That is, a first clamping protrusion 820a is formed between the reference abdominal plate 10a and the first abdominal plate 10b, and a second clamping protrusion 820b between the reference abdominal plate 10a and the second abdominal plate 10c Is formed.

In addition, a first plate region 810a is formed between the first pinching protrusion 820a and the second pinching protrusion 820b, on which the corner portion of the reference double hole plate 10a is placed.

In addition, a third pinching protrusion 820c is formed between the first and third pinching protrusions 10b and 10d, and the first pinching protrusion 820c is formed between the first pinching protrusion 820a and the third pinching protrusion 820c. A second plate region 810b on which a corner portion of the retracted plate 10b is placed is formed.

In addition, a fourth pinching protrusion 820d is formed between the second constriction plate 10c and the third constriction plate 10d, and the second pinching protrusion 820d is formed between the first pinching protrusion 820a and the fourth pinching protrusion 820d. A third plate region 810c is formed on which the corner portion of the retracted plate 10c is placed.

In addition, between the third pinching protrusion 820c and the fourth pinching protrusion 820d, a fourth plate region 810d on which the edge portion of the third perforated plate 10d rests is formed.

In addition, as another embodiment, the noise prevention pad 900 is provided at a lower edge of the main body 100 and formed to cover a bottom surface and a front surface or a rear surface and a side surface.

In addition, the noise-preventing pad 900 is mounted to be detachable from the main body 10, and is inserted into the through hole H of the main body 10 so as to be inserted into the inner side of the noise-preventing pad 900. A protrusion 910 is formed.

In addition, a chamber portion 920 that blocks the periphery of the through hole H from the outside is formed so that concrete pouring into the chamber portion 920 is not performed.

Therefore, since the noise-preventing pad 900 is easily attached and detached, the noise-preventing pad 900 is easily replaced.

Hereinafter, with reference to the drawings will be described with respect to the manufacturing method of the plate 10.

First, the space portion 101 is formed therein, the body providing step (S110) having a body 100 made of steel, and a cover member 300 for reducing noise and vibration on the outer surface of the body 100 ), a cover member providing step (S120), a rigid member arranging step (S130) of arranging the rigid member 400 in the space unit 101, and a lifting means for lifting the ventilated plate to the body. It comprises a step (S140), a concrete pouring step (S150) of pouring concrete into the space unit 101, and a concrete curing step (S160) in which the concrete is cured.

In addition, the main body providing step (S110) includes the steps of providing a rectangular bent plate 110 having a long side and a short side, and front and rear plates 120 and 130 coupled to the front and rear surfaces of the bending plate 110. And forming a bent portion 140 by first bending both ends of the long side of the bent plate 100, and secondly bending both sides of the long side of the bent plate 100 to form a side portion of the body. Forming both side plate portions 112 and the bottom plate portion 111 being lower, forming a bent portion 140 by bending the front and rear plates 120 and 130, and forming a bent portion 140, and the front and rear plates 120 and 130 It comprises a step of coupling to the bending plate (100).

In addition, the step of providing the bent plate includes forming a protrusion member 500 for improving the bonding force between the concrete and the body 100 on the bottom plate part 111, wherein the protrusion member 500 comprises the bottom plate part A plurality of bodies 510 are provided on the upper side of 111, and a body 510 having a predetermined height, and a protrusion 520 protruding outward along the outer circumferential surface of the body 510 from the upper end of the body 510 .

In addition, the step of providing the cover member (S120) includes attaching the shock absorbing pad 310 to the outer surface of the main body 100 or wrapping the elastic band 320 on the outer surface of the main body 100 However, the shock absorbing pad 310 and the elastic band 320 are made of a rubber material or a synthetic resin material.

In addition, the step of arranging the rigid member (S130) includes attaching a rib 440 provided between the lower side of the bent part 103 and the bottom plate part 111 to support the bent part 103, and Attaching the support 410 arranged along the long side length direction of the main body 100 to the upper side of the plate part 111, and a first provided on the upper side of the support base 410 so as to be perpendicular to the long side length direction. Attaching the reinforcing bar 420, and attaching the second reinforcing bar 430 along the long side length direction of the main body 100 provided on the upper side of the first reinforcing bar 420.

In addition, both ends of the first reinforcing bar 420 are welded to the inner sides of the both side plates 112 and integrated with the body 100, and both ends of the second reinforcing bar 430 are the front and rear plates ( It is welded to the inner side of the 120, 130 and is integrated with the main body 100.

In addition, prior to the attaching step of the second reinforcing bar 430, including the step of bending the second reinforcing bar 430 to have a predetermined radius of curvature, the second reinforcing bar 430 is received from the top of the reinforcing plate 100. It is provided so that the bending portion of the reinforcing bar faces upward so as to face the vertical load.

In addition, the step of attaching the lifting means (S140) includes the step of providing a lifting body 600 having a hollow box shape and having a through hole 610 on the upper surface thereof, and the upper surface of the lifting body 600 to the outside. It comprises a step of coupling to the inside of each corner of the body 100 so as to be exposed.

In addition, after the concrete placing step (S150), further comprising the step of providing a cover plate 150 covering the opened upper side of the main body 100, wherein a plurality of protrusions are formed on the lower side of the cover plate 150 do.

Although the present invention has been described in detail through specific examples, this is for explaining the present invention in detail, and the present invention is not limited thereto, and those of ordinary skill in the art within the spirit of the present invention It is clear that modifications or improvements are possible.

All simple modifications to changes of the present invention belong to the scope of the present invention, and the specific scope of protection of the present invention will become apparent by the appended claims.

10: double deck 100: main body
101: space 110: bending plate
111: bottom plate 112: both side plates
113: corner portion 120: front plate
130: rear plate 140: bend
150: cover plate
200: main member 300: cover member
310: shock absorbing pad 320: elastic band
400: rigid member 410: support
420: first reinforcing bar 430: second reinforcing bar
440: rib 450: pipe
460: wire 470: cap
500: protrusion member 510: body
520: protrusion 600: lifting body
610: ring hole 800: noise prevention pad
810: plate 820: pinched protrusion

Claims (15)

In the double deck for smooth traffic and passage on a temporary bridge,
A body made of steel and having a space portion therein,
Including a main member cured by pouring concrete in the space portion of the body,
A rigid member that improves the rigidity of the double-hole plate,
A protrusion member that improves the bonding force between the main member and the body,
It further comprises a lifting means for lifting the duplex plate,
The main body,
A bent plate comprising a bottom plate portion, and both side plates formed integrally with the bottom plate portion by bending both sides of the long side;
Consisting of including front and rear plates coupled to the front and rear surfaces of the bent plate, the upper portion of the body is opened, and the bent plate is bent to form a rounded corner portion at a predetermined curvature,
The both side plates and the upper ends of the front and rear plates are formed with bent portions bent inside the body space,
In addition, the protrusion member is provided with a plurality of the upper side of the bottom plate,
The protrusion member includes a body having a predetermined height and a protrusion protruding outward from the upper end of the body along the outer circumferential surface of the body,
In addition, a support disposed along the long side length direction of the main body on the upper side of the bottom plate,
A first reinforcing bar provided on the upper side of the support and disposed perpendicular to the long side length direction,
A second reinforcing bar provided on the upper side of the first reinforcing bar and disposed along the long side length direction of the main body,
It comprises a rib provided between the lower side of the bent portion and the bottom plate portion to support the bent portion,
In addition, both ends of the first reinforcing bar and the second reinforcing bar are joined and integrated with the body by welding,
The first reinforcing bar is supported by the support, and the second reinforcing bar is bent upwardly to face a vertical load received from the upper portion of the reinforcing plate and provided,
In addition, the rigid member has a hollow pipe inserted into a fitting hole (H) formed through to face the front and rear plates, a wire inserted into the pipe, and provided outside the front and rear plates to secure the wire. A cap is further provided to fix and cover the fitting hole (H),
The pipe is bent to have a predetermined radius of curvature, and is provided on the lower side of the second reinforcing bar,
The wire provided in the pipe is fixed in a state pulled to both sides after the concrete is cured,
In addition, the lifting means is provided with a sealed lifting body consisting of an upper surface having a ring hole, a lower surface facing the upper surface, and a side surface surrounding the upper surface and the lower surface, wherein the upper surface of the lifting body is external from the main member. It is coupled to the inside of each corner of the main body while being exposed,
In addition, when the base board is installed and the base board, the first board on one side of the base board, and the second and third boards disposed above or below the reference board and the first board are provided,
A separate noise-preventing pad is provided to reduce vibration and noise by being provided at the corners where the reference plate and the first, second, and third plate are in contact,
In addition, the noise prevention pad
It is mounted to be detachable from the main body, and a protrusion is formed inside the noise-preventing pad so as to be inserted into the through hole H formed in the main body,
In addition, a chamber portion is formed to block the periphery of the through hole (H) from the outside. delete delete delete delete delete delete delete delete delete delete delete delete delete delete

Images