KR20220120904A - Non-Steelplate Insulation Deck and Non-Support Concrete Slab Construction Method Using the Same - Google Patents

Abstract

The present invention relates to a non-steel plate insulation deck, which can be advantageously used as a deck for a non-support concrete slab that does not require formwork or shoring by reinforcing the bottom of an insulation board with a lightweight steel frame instead of a steel plate, and a non-support concrete slab construction method for constructing a concrete slab with no support by preferably applying the non-steel plate insulation deck to floor or roof slab construction. The non-steel plate insulation deck comprises: insulation boards of which both widthwise ends are formed as seams corresponding to each other so that the adjacent insulation boards can be continuously installed to each other by a seam joint; and a plurality of lightweight steel frames which are longer than the insulation boards, are inserted into lower portions of the insulation boards in a longitudinal direction so that both ends thereof are installed to protrude from both the ends of the insulation boards, and are installed at intervals in the widthwise direction of the insulation boards.

Description

Non-Steelplate Insulation Deck and Non-Support Concrete Slab Construction Method Using the Same}

The present invention relates to a steel-free insulation deck and a method for constructing a non-cast slab using the same. It relates to a steel-free insulated deck that can be used effectively, and a non-column slab construction method in which a concrete slab is constructed using a non-stick column by preferably applying such a steel-free insulated deck to a floor slab or roof slab construction.

Deck plate refers to a metal plate such as a galvanized steel plate used as a substitute for a form in the slab construction of a building. A typical deck plate is a corrugated steel deck plate (keystone plate) bent into a corrugation, and the deck plate can support construction loads such as concrete pouring loads with its own internal strength, enabling slab construction without moving parts. The construction of the no pole slab leads to the simplification of temporary construction, which contributes to shortening the construction period and reducing construction costs. In addition, the deck plate has the advantage of excellent workability and construction quality because it simply mounts and fixes factory-produced products.

One of the deck plates is a truss deck. A truss deck is a deck plate that is integrated by assembling reinforcing bars on a steel plate in a truss structure. Truss deck is generally completed by joining truss assembly reinforcing bars assembled with lattice reinforcing bars connecting one upper reinforcing bar, two lower reinforcing bars, and upper and lower reinforcing bars in a corrugated form. In such a truss deck, a steel plate serves as a formwork, and the truss assembly reinforcing bar reinforces the steel plate to support the construction load while serving as a main bar embedded in the slab concrete.

On the other hand, since the deck plate is made of metal, thermal insulation and sound absorption are poor. In order to compensate for these shortcomings, insulation boards having thermal insulation and absorption properties were installed on the bottom surface of the deck plate, and further, an insulation deck in which the insulation board was integrally installed on the bottom surface of the deck plate was proposed. 1 shows an example of a conventional thermal insulation deck. However, the conventional insulation deck has a disadvantage in that steel materials (steel plate or truss reinforcing bar) are applied over the entire area, so there is a large amount of steel material used, and there is also the inconvenience of using additional parts such as an anchor for fixing the insulation board material, truss reinforcing bar, etc. to the deck plate. there was.

KR 10-2010-0033165 A KR 10-2013-0143186 A KR 10-2051008 B1

The present invention has been developed to solve the disadvantages of the conventional insulation deck, and a steel-free insulation deck in which the amount of steel is reduced by reinforcing the lower portion of the insulation board with a lightweight steel frame instead of a steel plate, and a floor slab, There is a technical problem in providing a method for constructing a slab, such as a roof slab, by using a non-column slab.

In addition, the present invention is to provide a steel-free insulating deck advantageous in light weight, heat insulation, sound insulation when applied to slab construction.

In order to solve the above technical problem, the present invention, the width direction both ends are respectively formed of a joint corresponding to each other, the adjacent insulating plate is an insulating plate that can be continuously installed with a simple parquet; A member with a length longer than the length of the heat insulating board, which is inserted into the lower part of the heat insulating board in the longitudinal direction of the heat insulating board and installed so that both ends protrude to both ends of the heat insulating board, a plurality of light weight installed at predetermined intervals in the width direction of the heat insulating board It provides a steel-free insulation deck, characterized in that it comprises a; Here, a longitudinal trough is formed on the upper surface at a position between a plurality of lightweight steel frames, and a slab reinforcing bar can be installed and seated on the reinforcing bar support while a reinforcing bar support is provided in the longitudinal trough of the insulating plate. In addition, the insulation board may be fixedly installed by placing an upper reinforcing bar network assembled with a width direction and a longitudinal reinforcing bar on its upper surface, and inserting the vertical reinforcing bar into the insulation board while the upper reinforcing bar network is bound to the vertical reinforcing bar.

In addition, the present invention is a method of constructing a slab without a pole by preferably using a steel-free insulating deck, comprising: a first step of constructing a steel beam or beam formwork; A second step of installing the non-steel plate insulation deck while fixing it on the cheolgolbo, but installing it while connecting adjacent insulation boards with a parquet joint to each other with a joint at both ends in the width direction of the insulation board; A third step of reinforcing slab reinforcing bars on the non-steel plate insulation deck; A fourth step of pouring the slab concrete on the slab reinforcing bar; provides a non-cast slab construction method comprising the. Here, if the steel-free insulation deck of the first step is a longitudinal trough formed on the upper surface of the insulation board, the third step is a reinforcing bar cage in which upper and lower reinforcing bars and loop reinforcing bars are assembled as slab reinforcing bars, and width and longitudinal bars. By preparing the assembled upper reinforcing bar network, the rebar cage is seated and installed in the longitudinal trough of the insulation board, and the upper reinforcing bar network can be performed while binding and installing on the reinforcing bar cage. Alternatively, it is said that the steel-free insulation deck of the first step is installed with the upper reinforcing bar network bound to the vertical bars on the upper surface of the insulation board, and the slab concrete can be poured immediately, omitting the third step of reinforcing the slab reinforcing bars.

According to the present invention, the following effects can be expected.

First, since the non-steel insulation deck of the present invention uses lightweight steel frames that are intermittently arranged instead of the steel sheets that are continuously arranged under the insulation board, it is possible to reduce the amount of steel, so the material cost is low, and also, the heat insulation property by the intermittent lightweight steel frame , it contributes to energy saving and noise reduction of the structure as it is harmful to sound insulation.

Second, the non-steel insulation deck of the present invention can be applied to the non-cast slab construction because the lightweight steel frame can support the construction load even without the steel plate. When the steel-free insulation deck of the present invention is applied to the slab construction, it is possible to reduce the weight of the slab according to the reduction in the amount of slab concrete pouring because the insulation board, which is lighter than the concrete, is completed as a cross section buried inside the slab. It can lead to shortening of construction period and reduction of construction cost by reducing the scale of frames (beams, columns, foundations, etc.).

1 shows a conventional insulated deck.
Figure 2 shows a first embodiment of the non-steel plate insulation deck according to the present invention.
Figure 3 is a construction flow chart of the non-steel slab construction method using the non-steel plate insulation deck of Figure 2;
4 is a cross-sectional view of a slab completed according to the construction method of FIG. 3 .
Figure 5 is a construction flow chart for another embodiment of the non-post slab construction method according to the present invention.
6 is a cross-sectional view of a slab completed according to the construction method of FIG.
Figure 7 shows a second embodiment of the non-steel plate insulation deck according to the present invention.
FIG. 8 is a construction flowchart for a method of constructing a non-stick slab using the non-steel plate insulation deck of FIG. 5 .
9 is a cross-sectional view of a slab completed according to the construction method of FIG.

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

Figure 2 is a first embodiment of the non-steel plate insulation deck according to the present invention. The first embodiment is a basic example for a non-steel insulation deck, and as can be seen, the steel-free insulation deck according to the present invention is a lightweight steel frame 120 on the lower portion of the insulation board 110 instead of the steel plate in the insulation deck in which the steel sheet and the insulation board are integrated. The feature is that this reinforcement is installed.

The insulating plate 110 is a member serving as a formwork in place of the steel plate in the insulating deck. Both ends of the heat insulating plate 110 in the width direction are formed of seams 112 and 113 corresponding to each other, respectively. The jointed parquet (112, 113) makes it possible to continuously install the adjacent insulating board 110 as a mutually simple parquet joint. The parquet (112, 113) may be provided with a coupling groove (112) and a coupling protrusion (113) as shown in FIG. . It is possible to prevent leakage of the slab concrete (CC) poured over the insulation board 110 according to the parquet joint, and to block the thermal bridge phenomenon. Although not shown, the seams 112 and 113 may be provided in various ways as long as they can be continuously installed between the insulating plates 110, for example, provided as a joint step, and may be conveniently and continuously installed as a joint between the insulating plates. .

The insulation board 110 may be provided with a material having heat insulation properties while being lighter than concrete, and preferably, a foam board such as EPS may be applied. When non-extrusion hot wire cutting processing of foam board such as EPS, seams 112 and 113, longitudinal troughs 111, lightweight steel frame inlet grooves, surface irregularities, etc. can be easily formed. In addition, it is preferable that the upper surface and the lower surface of the insulating plate 110 are treated with surface irregularities (see FIG. 7 ), which is to improve the bonding strength of the slab concrete (CC) poured on the insulating plate 110, respectively. Specifications such as the width and depth of the insulation board 110 can be appropriately determined according to the structural design and construction situation of the slab to be constructed, and in particular, when the dance of the insulation board 110 is raised, the slab concrete (CC) poured over it ) can lead to a reduction in the weight of the slab by reducing the amount of pouring, so it is possible to make the structure longer span.

An upper reinforcing bar network 231 in which a width direction root and a length direction muscle are assembled may be further disposed on the upper surface of the insulating plate 110 . At this time, the upper reinforcing bar network 231 may be fixedly installed by inserting the vertical reinforcing bar 232 into the insulating plate 110 while being bound to the vertical reinforcing bar 232 (see FIGS. 5 and 6 ). The upper reinforcing bar network 231 serves to reinforce and support construction loads such as slab concrete (CC) pouring loads during the slab construction process, and serves as slab reinforcing bars while constraining the slab concrete (CC) after completion of the slab. The upper reinforcing bar network 231 may be provided with one end protruding from the insulating plate 110 in the width direction, and the protruding end enables the adjacent upper reinforcing bar network 231 to be installed by overlapping each other.

The lightweight steel frame 120 is installed under the insulating plate 110 to reinforce the insulating plate 110 . As described above, as the lower portion of the insulation plate 110 is reinforced by the lightweight steel frame 120, the present invention is completed with a steel-free insulation deck that can stably support a construction load such as a slab concrete (CC) pouring load without a steel plate. The lightweight steel frame 120 is provided as a member having a length longer than the length of the insulating plate 110, and is drawn into the lower portion of the insulating plate 110 in the longitudinal direction of the insulating plate 110, so that both ends are both ends of the insulating plate 110. installed protrudingly. A plurality of these lightweight steel frames 120 are installed at predetermined intervals in the width direction of the heat insulating board 110 to reinforce the heat insulating board 110 . When the insulation board 110 is provided with a foam board such as EPS, a lightweight steel frame inlet groove can be easily formed in the lower portion of the heat insulation board 110 by non-extrusion hot wire processing, so that the lightweight steel frame 120 can be installed by sliding. The lightweight steel frame 120 can be designed with various cross sections according to the construction site and structural calculations, and can be applied in an appropriate number, and can be conveniently provided with conventional lightweight steel frame members such as a B-angle, a C-shaped channel, and a C-shaped channel, and furthermore, a pair It is also possible to arrange the members with their backs to each other. In the present invention, a case in which a C-type channel is provided ( FIG. 2 ) and a case in which a pair of C-type channels are provided ( FIG. 7 ) are exemplified.

Both ends in the longitudinal direction of the lightweight steel frame 120 protruding from the insulation plate 110 become anchorages for fixing the steel-free insulation deck (ID) of the present invention to the steel beam or beam formwork. In the case of installing the non-steel plate insulation deck (ID) on the cheolgol beam, both ends of the lightweight steel frame 120 in the longitudinal direction can be welded to the cheolgol beam and fixed, and the steel plate insulation deck (ID) is mounted and installed on the beam formwork. In this case, both ends in the longitudinal direction of the lightweight steel frame 120 are extended to the inside of the beam form and can be fixed by being buried in the beam concrete.

3 is a construction flow chart showing a process of constructing a floor slab with a non-stick column using the non-steel plate insulated deck of FIG. 2 . First, construct a steel beam or beam form in the usual way (Step 1). Then, the steel-free insulation deck (ID) is mounted and fixed on the steel beam or beam form and is installed continuously (step 2). In the case of mounting on the cheolgolbo, both ends of the lightweight steel frame in the longitudinal direction can be welded to the cheolgolbo and fixed to the cheolgolbo. The steel-free heat insulating deck is installed continuously while connecting adjacent insulating boards 110 to each other with jointed parquets 112 and 113 at both ends in the width direction of the heat insulating board 110 by means of parquet joints. Next, the slab reinforcement 200 is reinforced on the non-steel plate insulation deck (step 3), and the slab concrete (CC) is poured (step 4). In the steel-free insulation deck (ID), the insulation board 110 serves as a formwork, and the lightweight steel frame 120 stably supports the construction load such as the slab concrete (CC) pouring load, so there is no need for a separate slab formwork or copper bar, etc. It becomes possible to pour slab concrete (CC). As a result, as shown in FIG. 4, a reinforced concrete slab in which the insulation board 110 is integrally constructed is completed. When this slab is applied as a roof slab of a building, it becomes a heat insulation slab due to the heat insulation of the insulation board and can be applied as an interlayer slab of a building. In this case, it becomes a noise reduction slab by the sound insulation of the insulation board. On the other hand, the bottom surface of the non-steel insulation deck can be finished with fireproof spraying, etc. without exposing the insulation board 111 and the lightweight steel frame 120 as they are.

5 is a construction flow chart showing a process of constructing a roof slab without a pole using a steel-free insulating deck (ID) further provided with an upper reinforcing bar network 231, and FIG. 6 is a cross-sectional view of the completed roof slab. As can be seen, by using the non-steel plate insulation deck (ID) further provided with the upper reinforcement network 231, the reinforcement of the slab reinforcement is omitted and only the slab concrete (CC) is poured, thereby making it possible to simply construct a roof slab.

Figure 7 shows a second embodiment of the non-steel plate insulation deck according to the present invention. The second embodiment is an example of a steel-free insulation deck proposed for application to joist slab construction. The second embodiment is generally the same as the first embodiment of Figure 2, except that the longitudinal trough groove 111 is further formed on the upper surface of the insulating plate 110, there is a big difference. The longitudinal trough 111 is formed on the upper surface of the insulating plate 110 at a position between the plurality of lightweight steel frames 120, and the longitudinal trough 111 is provided with a reinforcing bar 220, and is a slab reinforcing bar joist beam. The reinforcing bar may be installed to be seated on the reinforcing bar support 220 . At this time, the joist prosthetic reinforcing bar is provided as a reinforcing bar cage 210 in which upper and lower reinforcing bars 211 and 212 and loop reinforcing bars 213 are assembled, and the lower reinforcing bar 212 is seated on the reinforcing bar 220 while the upper reinforcing bar 211 is installed. ) may be installed to protrude above the upper surface of the insulating plate 110 .

8 is a construction flow chart showing a process of constructing a floor slab with a non-stick column using the steel-free insulation deck of FIG. 7, and FIG. 9 is a cross-sectional view of the completed floor slab. As can be seen, the steel-free insulation deck of FIG. 7 is continuously installed while fixing the steel-free insulation deck on the cheolgolbo or beam formwork. Then, the slab reinforcing bar is reinforced in the longitudinal trough groove 111 of the non-steel insulation deck (ID). As slab reinforcing bars, a reinforcing bar cage 210 in which upper and lower reinforcing bars 211, 212 and loop reinforcing bars 213 are assembled, and an upper reinforcing bar network 231 in which width and longitudinal reinforcing bars are assembled can be prepared. , the reinforcing bar cage 210 may be seated and installed in the longitudinal trough 111 of the insulating plate, and the upper reinforcing bar network 231 may be reinforced while bindingly installed on the reinforcing bar cage 210 . After reinforcing the slab reinforcement, pour the slab concrete (CC). The bottom surface of the non-steel insulation deck can be finished with fireproof spraying, etc. without exposing the insulation board 111 and the lightweight steel frame 120 as they are. This completes the floor slab with the insulation board installed under the joist slab as an integral part, and this floor slab contributes to the long span of the structure by the structural performance of the joist slab. It also contributes to energy saving and noise reduction between floors.

In the above, the present invention has been described in detail with reference to specific examples, but since the examples are only for illustrating the present invention, substituted, added and modified embodiments are also provided below without departing from the technical spirit of the present invention. It will be said that it falls within the protection scope of the present invention as defined by the claims appended hereto.

110: insulation plate 111: corrugated groove
112: coupling groove 113: coupling projection
120: light steel frame
200: slab reinforcement 210: reinforcement cage
211: upper muscle 212: lower muscle
213: loop root 220; rebar support
231: upper reinforcement network 232: vertical reinforcement
ID: Insulated deck CC: Slab concrete

Claims (7)

Insulation plate 110 in the width direction both ends are each formed of a joint (112, 113) corresponding to each other, which can be continuously installed as a neighboring insulation plate 110, a simple parquet;
As a member having a length longer than the length of the heat insulating board 110 , the heat insulating board 110 is drawn in in the longitudinal direction of the heat insulating board 110 , and both ends are installed to protrude to both ends of the heat insulating board 110 , a plurality of a lightweight steel frame 120 installed at predetermined intervals in the width direction of the heat insulating plate 110;
A non-steel plate insulation deck, characterized in that it comprises a. In claim 1,
The heat insulating plate 110, a longitudinal trough groove 111 is formed on the upper surface at a position between the plurality of lightweight steel frames 120,
In the longitudinal trough groove (111) of the insulating plate, a reinforcing bar support (220) is provided and the joist prosthetic bar is seated and installed on the reinforcing bar (220). In claim 2,
The joist prosthetic reinforcing bar is provided as a reinforcing bar cage 210 in which upper and lower reinforcing bars 211 and 212 and loop reinforcing bars 213 are assembled, and the lower reinforcing bar 212 is seated in the reinforcing bar 220 while the upper reinforcing bar 211 is installed. ) is a non-steel plate insulation deck, characterized in that it is installed to protrude above the upper surface of the insulation plate material (110). In claim 1,
On the upper surface of the insulating board 110, an upper reinforcing bar network 231 in which a width direction and a length direction muscle are assembled is disposed,
The upper reinforcing bar network 231 is a steel sheet insulation deck, characterized in that the vertical reinforcing bar 232 is bound and the vertical reinforcing bar 232 is fixedly installed by being inserted into the heat insulating plate 110 . A method of constructing a slab without a steel pole using the steel-free insulation deck according to claim 1,
A first step of constructing a steel beam or beam formwork;
Installed continuously while mounting and fixing the steel-free insulation deck (ID) on the cheolgolbo, and connecting the adjacent insulation boards 110 with the jointed parquet (112, 113) of both ends in the width direction of the insulation board 110 by connecting them with a parquet joint. second step;
A third step of reinforcing the slab reinforcing bar 200 on the non-steel plate insulation deck (ID);
A third step of pouring the slab concrete (CC) over the slab reinforcement (200);
A non-pole slab construction method, characterized in that it comprises a. In claim 5,
The second step is made while installing a steel-free insulation deck (ID) in which a longitudinal trough groove 111 is formed on the upper surface of the insulation plate 110 at a position between the plurality of lightweight steel frames 120,
The third step is a reinforcing bar cage 210 in which upper and lower reinforcing bars 211, 212 and loop reinforcing bars 213 are assembled as slab reinforcing bars, and an upper reinforcing bar network 231 in which width and longitudinal bars are assembled. Prepared, the reinforcing bar cage 210 is seated and installed in the longitudinal trough 111 of the insulating plate, and the upper reinforcing bar network 231 is bundled and installed on the reinforcing bar cage 220. . A method of constructing a slab with a non-stick pole using the steel-free insulation deck according to claim 4,
A first step of constructing a steel beam or beam formwork;
Installed continuously while mounting and fixing the non-steel plate insulation deck (ID) on the cheolgolbo or beam formwork, but connected with the adjacent insulation boards 110 by the jointed parquet (112, 113) of both ends in the width direction of the insulation board 110 by a parquet joint A second step of installing while;
A third step of pouring the slab concrete (CC) on the upper reinforcing bar network (231) of the steel-free insulation deck (ID);
A non-pole slab construction method, characterized in that it comprises a.

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