KR102036772B1 - Insulation Deck Plate - Google Patents

Abstract

The present invention relates to an insulation deck plate, which is integrally formed with an insulation material. The insulation deck plate includes: a plurality of truss girders formed by having a predetermined interval; a spacer in which a lower portion of the truss girder is coupled to an upper potion and which fixes the truss girder thereto; a steel plate coupled to a lower portion of the spacer; and an insulation material coupled to a lower portion of the steel plate and preventing heat transfer. The steel plate includes a plurality of concrete liquid placing holes in which concrete liquid comes in contact with a space between the steel plate and the insulation material when placing the concrete liquid, is provided with an urethane adhesive injection hole on the steel plate so that the space between the steel plate and the insulation material is stably coupled thereto, and reinforces binding force thereof by inserting and stiffening an insertion fastening part after injecting an urethane adhesive through the urethane adhesive injection hole.

Description

Insulation Deck Plate

The present invention relates to a heat insulation deck plate, and more particularly to a heat insulation deck plate integrally formed with a heat insulating material.

Deck plate refers to the slab material manufactured by processing metal plate such as galvanized steel sheet to form the structure without dismantling after concrete pouring as a substitute for formwork in forming slab of building.

By constructing the slab structure using such deck plate, it is not necessary to save the mold for the construction of the floor, so it is possible to reduce the time and cost required for the construction work, and the construction is achieved by simply mounting the unit product continuously. The construction can be easily and quickly, and the factory produced product can be used to secure more than a certain quality. Recently, the slab structure is increased by using the deck plate. The trend is.

Among the deck plates currently used, truss deck plates are a representative material widely used for building slab floors in large buildings.

Truss deck plate is usually provided with a truss girder on the top of the bottom plate having a predetermined width and a connector (spacer) is provided at the bottom of the truss girder is coupled to the formwork is detachable, the truss girder is the upper reinforcement It consists of a lower reinforcement and a lattice material, and both ends of the support is configured to be coupled.

Korean Patent No. 10-1785722 (registered on September 29, 2017) discloses a deck plate integrated with a heat insulator, and according to the disclosed technology, a deck plate provided with a heat insulator to block heat transfer between the inside and the outside of a building, A heat insulating material formed of a length between the spaced apart beams and the beams of the building so as not to generate a joint portion of the heat insulating material, and made of urethane material and installed without filling or filling the gap of the heat insulating material; A steel sheet attached to an upper surface of the heat insulating material and formed to have the same length as the heat insulating material; A truss girder installed on an upper surface of the steel sheet and composed of a plurality of rebars; And a spacer installed on an upper surface of the steel plate to stably fix the truss girder, wherein the steel plate includes: a first coupling part formed at one side in a width direction of the steel plate to be coupled to another adjacent deck plate; A second coupling part formed on the other side of the width direction so as to be coupled to another adjacent deck plate; A flat plate portion formed between the first coupling portion and the second coupling portion such that a spacer supporting the heat insulating material and the truss girder is seated; And a stepped portion formed higher than the height of the flat plate so that the adhesion force and the attachment area of the heat insulating material are increased, and truss girders are installed on the upper surface of the steel plate, and lower reinforcing bars are disposed on both lower sides of the truss girder, and lower reinforcing bars are provided. Two lattices are respectively provided on the inside of the upper lattice, and the upper reinforcement is fixed between the lattices, and the spacer includes: a main body having a 'U' shape having an open upper surface; First coupling grooves formed on both sides of the body in a longitudinal direction to form a 'b' shape so that the lower reinforcing bars of the truss girder are coupled; And a second coupling groove formed in the main body and having a lower reinforcing bar inserted and coupled in the longitudinal direction of the deck plate so as to reinforce the truss girder.

Korean Patent Registration No. 10-1913928 (registered on October 25, 2018) discloses a coupling structure of an insulator integrated deck plate using a joint member. According to the disclosed technology, in the coupling portion structure for coupling the heat insulating material integrated deck plate, the heat insulating material integrated deck plate is a steel plate which is formed in each of the width direction both ends; A heat insulating material provided on an upper portion of the steel sheet in a width direction opposite to a predetermined distance from the inner side thereof; A spacer coupled to the upper portion of the heat insulating material at regular intervals; Comprising a truss girder coupled to the spacer in the longitudinal direction at regular intervals in the width direction of the steel sheet and a coupling bolt fastened to the spacer through the steel sheet and the heat insulating material, the adjacent connection portion by arranging the heat insulation integral deck plate adjacent in the width direction Interconnection between the adjacent deck plate and the deck plate's connecting portion and the space between the insulating member and the heat insulating member, the lower portion is recessed in a predetermined width so that the connection member is seated in the connecting portion insertion groove is formed in the connecting portion insertion groove in the longitudinal direction It is characterized in that the widthwise both sides of the joint member is fitted to the space portion to be bonded to the heat insulating material on both sides, and is formed by filling the filler in the connection portion insertion groove.

As described above, the conventional deck plate requires a separate fixing operation using an adhesive, a coupling bolt, etc. in order to attach the heat insulating material, and the construction cost or the extension of air due to such an additional process occurs, and over time Accordingly, the adhesive force is weakened while the steel sheet is corroded, which causes a problem in that the thermal insulation performance is lowered.

Korea Patent Registration No. 10-1785722 Korean Patent Registration No. 10-1913928

The technical problem to be achieved by the present invention is to solve the problems as described above, to provide a heat insulation deck plate to omit a separate fixing work of the heat insulating material to improve the fixing force of the heat insulating material.

In order to solve this problem, according to an aspect of the present invention, a plurality of truss girder with a predetermined interval; A spacer for fixing the truss girder is coupled to an upper portion of the truss girder; A steel sheet coupled to a lower portion of the spacer; And a heat insulating material coupled to a lower portion of the steel plate to block heat transfer, wherein the steel plate includes a plurality of concrete liquid pouring holes for allowing the concrete liquid to contact between the steel plate and the heat insulating material when the concrete liquid is poured. Provide an insulation deck plate.

In one embodiment, the steel sheet is formed at a predetermined interval with the concrete liquid pouring hole, it characterized in that it further comprises a plurality of urethane adhesive injection holes for injecting a urethane adhesive.

In one embodiment, the steel sheet further includes a plurality of guidelines formed on the lower surface to reinforce bending strength and guide the urethane foam adhesive to directly contact the heat insulator to increase the fixing strength and prevent bending. It is done.

In one embodiment, the steel sheet, characterized in that it further comprises a fixing portion is formed extending to the lower portion of the rim of the concrete pour hole, inserted into the heat insulating material.

In one embodiment, the fixing portion is formed on a plurality, characterized in that it comprises a concave-convex member for improving the binding force with the heat insulating material.

In one embodiment, the lower portion is inserted into the heat insulating material through the urethane adhesive injection hole, characterized in that it further comprises an insert fastening portion for fastening and fixing the steel sheet and the heat insulating material.

In an embodiment, the side end upper surface of the steel sheet and the side end lower surface of the heat insulating material further comprises an auxiliary fixing part for auxiliary fixing between the steel plate and the heat insulating material.

According to the present invention, as the concrete liquid poured into the upper side of the deck plate is hardened in a state of contacting between the steel plate and the heat insulator through the concrete liquid placing hole, the heat insulating material is fixed integrally, thus eliminating a separate heat insulating material fixing work. It can be easily carried out, there is an effect that can ensure a more improved durability and insulation performance as a structure that the heat insulating material is firmly fixed.

1 is a perspective view illustrating a heat insulation deck plate according to a first embodiment of the present invention.
2 is a side view illustrating a heat insulation deck plate according to a first embodiment of the present invention.
3 is a plan view illustrating a heat insulation deck plate according to a first embodiment of the present invention.
4 is an exploded perspective view illustrating an insulation deck plate according to a first embodiment of the present invention.
5 is a perspective view illustrating the inserting portion in FIG. 1.
FIG. 6 is a side view illustrating the inserting portion in FIG. 1. FIG.
7 is a plan view illustrating the inserting portion in FIG. 1.
8 is a bottom view illustrating the inserting portion in FIG. 1.
FIG. 9 is a view for explaining another example of the inserting portion shown in FIG. 1.
10 to 11 are cross-sectional views showing the fastening process of the insert fastening portion in FIG.
It is a figure explaining the steel plate in FIG. 1 as a 1st example.
It is a figure explaining the steel plate in FIG. 1 as a 2nd example.
14 is a perspective view illustrating a heat insulation deck plate according to a second embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. However, since the description of the present invention is only an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments may be variously modified and may have various forms, and thus, the scope of the present invention should be understood to include equivalents for realizing the technical idea. In addition, the objects or effects presented in the present invention does not mean that a specific embodiment should include all or only such effects, the scope of the present invention should not be understood as being limited thereby.

On the other hand, the meaning of the terms described in the present invention will be understood as follows.

Terms such as "first" and "second" are intended to distinguish one component from another component, and the scope of rights should not be limited by these terms. For example, the first component may be named a second component, and similarly, the second component may also be named a first component.

When a component is referred to as being "connected" to another component, it should be understood that there may be other components in between, although it may be directly connected to the other component. On the other hand, when a component is said to be "directly connected" to another component, it should be understood that there is no other component in between. On the other hand, other expressions describing the relationship between the components, such as "between" and "immediately between" or "neighboring to" and "directly neighboring to", should be interpreted as well.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and terms such as "include" or "have" refer to features, numbers, steps, operations, components, parts, or parts thereof described. It is to be understood that the combination is intended to be present and does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, operations, components, parts or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Generally, the terms defined in the dictionary used are to be interpreted as being consistent with the meanings in the context of the related art, and should not be interpreted as having ideal or excessively formal meanings unless clearly defined in the present invention.

Now with reference to the drawings with respect to the insulation deck plate according to an embodiment of the present invention will be described in detail.

1 is a perspective view illustrating an insulation deck plate according to a first embodiment of the present invention, Figure 2 is a side view illustrating an insulation deck plate according to a first embodiment of the present invention, Figure 3 is a first view of the present invention 4 is a plan view illustrating a heat insulation deck plate according to an embodiment, and FIG. 4 is an exploded perspective view illustrating the heat insulation deck plate according to the first embodiment of the present invention.

1 to 4, the heat insulation deck plate 10 includes a truss girder 100, a spacer 200, a steel plate 300, and a heat insulating material 400.

The truss girder 100 is made of a plurality of predetermined intervals (for example, 50mm ~ 300mm), is fixed to the upper portion of the steel sheet 300 by the spacer 200.

In one embodiment, the truss girder 100 is arranged so that the rod-shaped upper chord and the two lower chords form a triangular shape on the front side, and two lattice materials arranged in a continuous triangular shape on the side surface are symmetric with each other. The upper part of the ash is welded to the upper chord while the lower part is welded to the lower chord respectively, and the sides are formed to have a triangular shape, and the height can be formed to about 70mm to 300mm.

The spacer 200 has a lower portion of the truss girder 100 coupled to the upper portion, and a steel plate 300 is coupled to the lower portion to fix the truss girder 100 to the steel sheet 300.

Steel plate 300, the upper portion is coupled to the lower portion of the spacer 200, the heat insulating material 400 is integrally coupled to the lower portion.

In one embodiment, the steel sheet 300 may be a galvanized steel sheet, the coupling member is provided at the left end and the right end, so that the steel sheet 300 can be combined with the other steel sheet.

In one embodiment, the steel sheet 300 may include a concrete liquid pouring hole 310.

The concrete liquid pouring hole 310 allows the concrete liquid to enter into contact with the steel plate 300 and the heat insulating material 400 when the concrete liquid is poured.

That is, the concrete liquid through the concrete liquid pouring hole 310 in the form of the concrete liquid pouring hole 310 as the thickness of the steel sheet 300 is hardened in a state in contact between the steel sheet 300 and the heat insulating material 400 , Insulation 400 is directly attached to the concrete is to be integrally coupled to the lower portion of the steel sheet (300).

In one embodiment, the concrete liquid pouring hole 310 may be formed in a plurality of circular holes using a punching machine.

In one embodiment, the steel sheet 300 may further include a urethane adhesive injection hole 320.

The urethane adhesive injection hole 320 is formed at a predetermined interval (for example, 20 mm to 200 mm) with the concrete liquid pouring hole 310, so that the urethane adhesive can be injected using a urethane injector.

In an embodiment, the urethane adhesive injection hole 320 may be provided at both sides of the concrete liquid pouring hole 310.

The heat insulating material 400 is coupled to the lower portion of the steel sheet 300 by the concrete liquid, and blocks heat transfer.

In one embodiment, the heat insulating material 400 may be made of various insulating materials such as polyurethane foam, styrofoam, ceramic foam.

The insulation deck plate 10 having the configuration as described above may further include an inserting portion 600.

Insert fastening portion 600, the lower portion is inserted into the heat insulating material 400 through the urethane adhesive injection hole 320 of the steel sheet 300, the urethane adhesive injected through the urethane adhesive injection hole 320 is fixed while being fixed Thus, the binding force between the steel plate 300 and the heat insulating material 400 is further improved.

In one embodiment, the inserting portion 600 may be made of a hard material (eg, metal, plastic, etc.) so that deformation does not occur due to external pressure.

Insulating deck plate 10 having the configuration as described above, in the state that the concrete liquid poured into the upper side of the deck plate enters through the concrete liquid placing hole 310 and contacted between the steel plate 300 and the heat insulating material 400. As it is hardened, the heat insulating material 300 is integrally fixed, so that the construction work can be easily performed by omitting a separate heat insulating material 400 fixing operation, and the heat insulating material 400 is firmly fixed and has improved durability and heat insulating performance. Can be secured.

5 is a perspective view illustrating the inserting portion in FIG. 1, FIG. 6 is a side view illustrating the inserting portion in FIG. 1, FIG. 7 is a plan view illustrating the inserting portion in FIG. 1, and FIG. 8 is FIG. 1. Bottom view illustrating the fasteners in.

5 to 8, the insertion fastening part 600 includes a head member 610, an insertion member 620, and a through hole 630.

The head member 610 is located on the upper portion of the urethane adhesive injection hole 320, the insertion member 620 is formed to extend in the lower direction.

In one embodiment, the head member 610 is formed larger than the size of the urethane adhesive injection hole 320, it is located on top of the urethane adhesive injection hole 320 provided in the steel plate 300 urethane adhesive injection hole ( It can be installed so that it takes 320).

The insertion member 620 is formed to extend in the lower direction of the head member 610 and penetrates the urethane adhesive injection hole 320 of the steel sheet 300 and is inserted into the heat insulating material 400.

In one embodiment, the insertion member 620 may be provided with one or more, the cross-section may be made in various ways, such as a "T" shape or "Y" shape.

In one embodiment, the insertion member 620 may be formed to have a lower thickness than the upper thickness.

The through hole 630 is formed through the center portion of the head member 610, is installed at a position corresponding to the urethane adhesive injection hole 320, so that the urethane adhesive injection hole 320 is inserted using a urethane injector. do.

That is, the insertion member 620 passes through the urethane adhesive injection hole 320 of the steel sheet 300 and is inserted into the heat insulating material 400, and the urethane adhesive injected by the urethane injector is inserted into the inserting portion 600 and the steel sheet 300. ), And flows through the heat insulating material 400 to cure, thereby further improving these binding forces.

FIG. 9 is a view illustrating another example of the fastening part of FIG. 1, and FIGS. 10 to 11 are cross-sectional views illustrating a fastening process of the fastening part of FIG. 9.

Referring to these drawings, the insert fastening portion 600 includes a fastening body 640 and a fixed body 650.

Fastener 640, the upper end is located in the upper portion of the urethane adhesive injection hole 320, the lower portion is inserted into the heat insulating material 400 through the urethane adhesive injection hole 320, the fixed body 650 By fixing the lower portion while the gap between the steel plate 300 and the heat insulating material 400.

At this time, the heat insulating material 400 may be provided with a urethane hole for injecting urethane at a position corresponding to the urethane adhesive injection hole 320, the urethane adhesive is a predetermined amount (for example, the fastener in the urethane hole If the 640 is inserted, the fastener 640 may be inserted and fastened in a state of being injected as much as the top of the urethane hole.

In an embodiment, the fastener 640 may have a through hole formed at the center thereof, and the fixing body 650 may be inserted into the through hole.

In one embodiment, the fastener 640 may be formed of a material having a certain degree of elasticity (eg, plastic, synthetic resin, etc.).

That is, as shown in FIG. 10, first, the fastener 640 to which the fixing body 650 is coupled is inserted through the urethane adhesive injection hole 320, and then inserted into the urethane hole of the heat insulating material 400. When the hexagonal body of the upper end of the fixing body 650 is tightened by using a tool, the fixing body 650 rotates and moves upward as shown in FIG. 11, whereby the lower end of the fastening body 640 is opened to the inner wall of the urethane hole. It is tightly fixed and firmly fixed.

In an embodiment, the fastener 640 may include an incision line 641 and a fixing protrusion 642.

The cutting line 641 is formed in the longitudinal direction on the side wall of the fastener 640, so that the lower end of the fastener 640 can be easily opened, and the urethane adhesive can pass through.

The fixing protrusion 642 is formed in a plurality of protrusions on the outer wall of the fastener 640 to be in contact with the inner wall of the urethane hole provided in the heat insulating material 400, and can further improve the fixing force by increasing friction between the inner walls of the urethane hole. .

The fixed body 650, as the lower part is inserted into the center of the fastener 640 and the hexagonal body of the upper end is tightened, the lower end of the fastener 640 is opened while moving upward, so that the fastener 640 and the heat insulating material. The urethane hole inner wall of 400 is to be in close contact.

In one embodiment, the fixing body 650, the anchor bolt, the lower part is inserted into the through hole provided in the fastening body 640, and then tighten the hexagonal body of the upper end using a tool such as a spanner in the upper direction While moving to the lower end is forcibly entered into the lower inner side of the fastener 640, thereby allowing the lower part of the fastener 640 to be tightly fixed to the inner wall of the urethane hole of the heat insulating material 400.

In one embodiment, the fixture 640, a plurality of holes are formed in the side wall to allow the urethane adhesive to pass through.

Insert fastening portion 600 having the configuration as described above, the urethane adhesive is firmly fastened and injected in the correct position by the fastener 640 and the fixed body 650, the heat insulating material 400 and the steel plate ( The binding force between the 300 is maximized to not be separated from each other, as well as to improve the reinforcement of the steel sheet (300).

It is a figure explaining the steel plate in FIG. 1 as a 1st example.

Referring to FIG. 12, the steel sheet 300 further includes a guideline 330.

A plurality of guide lines 330 are formed on the lower surface of the steel sheet 300 in the downward direction to reinforce the bending strength of the steel sheet 300 and guide the urethane foam adhesive to the steel sheet 300 and the heat insulating material 400. Make sure that it is firmly bonded.

Here, the urethane foam adhesive, for example, may be made by mixing a foaming agent with a urethane adhesive, which not only has a strong adhesive force but also excellent heat insulation, sound insulation, water resistance and the like.

That is, between the steel sheet 300 and the heat insulating material 400 is primarily bonded by the urethane foam adhesive foamed between the guide lines 330 formed on the lower surface of the steel sheet 300, and is injected through the urethane adhesive injection hole 320 Secondary bonding by the urethane adhesive and the insert fastening portion 600, it is possible to significantly improve the binding force.

In one embodiment, the guideline 330 may be formed in a '∪' shape, not only to induce the urethane foam adhesive to be uniformly applied, but also fixed in direct contact with the heat insulating material 400 It can increase strength and prevent warping.

It is a figure explaining the steel plate in FIG. 1 as a 2nd example.

Referring to FIG. 13, the steel plate 300 further includes a fixing part 340.

The fixing part 340 extends downward in the edge portion of the concrete liquid pouring hole 310 and is inserted into and fixed to the heat insulating material 400 to improve the binding force between the steel plate 300 and the heat insulating material 400.

In one embodiment, the fixing part 340 may include an uneven member 341.

The uneven member 341 is formed in plural on one surface of the fixing portion 340, thereby increasing the surface area in contact with the heat insulating material 400 to further improve the binding force with the heat insulating material 400.

In one embodiment, the concave-convex member 341 may be formed on the side or the bottom of the fixing part 340, and may be formed in various forms such as the concave-convex shape in the horizontal direction, or the concave-convex shape in the vertical direction. .

14 is a perspective view illustrating a heat insulation deck plate according to a second embodiment of the present invention.

Referring to FIG. 14, the insulation deck plate 10 includes a truss girder 100, a spacer 200, a steel plate 300, a heat insulating material 400, and an auxiliary fixing part 500. Here, since the truss girder 100, the spacer 200, the steel sheet 300, the heat insulating material 400 is similar to the components of Figure 1 will not be described and will be described below only other parts.

The auxiliary fixing part 500 bends the side end upper surface of the steel plate 300 and the side end lower surface of the heat insulating material 400 to auxiliaryly fix the steel plate 300 and the heat insulating material 400.

In one embodiment, the auxiliary fixing part 500, the center portion may be made of a reinforcing bar of a rectangular frame shape, the side end upper surface of the steel plate 300 and the side end lower surface of the heat insulating material 400 is formed through They can be banded to insert and bind them.

As described above, the embodiment of the present invention is not implemented only through the above-described apparatus and / or operation method, but through a program for realizing a function corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded, and the like. The implementation may be easily implemented by those skilled in the art to which the present disclosure pertains based on the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

10: insulation deck plate
100: Truss girder
200: spacer
300: steel plate
310: concrete liquid pouring hole
320: urethane adhesive injection hole
330: guidelines
340: fixed part
341: uneven member
400: insulation
500: auxiliary fixing part
600: insert fastening part
610: head member
620: insertion member
630: through hole
640: fastener
641: incision line
642: fixed protrusion
650: fixed body

Claims (5)

Truss girder made of a plurality at predetermined intervals;
A spacer for fixing the truss girder is coupled to an upper portion of the truss girder;
A steel sheet coupled to a lower portion of the spacer;
It is coupled to the lower portion of the steel sheet, the heat insulating material for blocking heat transfer; And
And an auxiliary fixing part configured to bend the side end upper surface of the steel plate and the side end lower surface of the heat insulating material to auxiliaryly fix the steel plate and the heat insulating material.
The steel sheet,
A plurality of concrete liquid placing holes for allowing concrete liquid to contact between the steel plate and the heat insulating material when concrete liquid is poured; And
It is formed at a predetermined interval with the concrete liquid pouring hole, and includes a plurality of urethane adhesive injection holes for injecting a urethane adhesive,
Further comprising a fastening portion for fastening and fixing the steel sheet and the heat insulating material while the lower portion is inserted into the heat insulating material through the urethane adhesive injection hole,
The fastening portion,
An upper end of the urethane adhesive injection hole is positioned on the upper part, and a lower part of the fastener inserted through the urethane adhesive injection hole into the heat insulating material;
A fixing body inserted into the center of the fastening body and having a hexagonal body tightened at an upper end thereof, the lower end of the fastening body being opened while moving upwardly;
A plurality of incision lines formed in a longitudinal direction on the sidewall of the fastener; And
An insulation deck plate comprising a plurality of fixing protrusions protruding from the outer wall of the fastener and contacting the insulation.
delete The method of claim 1, wherein the steel sheet,
The insulation deck plate further comprises a plurality of guidelines formed directly on the bottom surface while in contact with the insulation while reinforcing bending strength and urethane foam adhesive.
The method of claim 1, wherein the steel sheet,
Insulating deck plate, characterized in that it further extends to the lower portion of the concrete liquid pouring hole, the fixing portion is inserted into the insulation. delete

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