KR20180034807A - Outside heat-insulation wall method and outside heat-insulation wall thereby - Google Patents

Abstract

The present invention relates to an external heat insulation method, and an external heat insulation wall by the same. A first form tie is used to fix a composite insulation plate as an outer form on a gang form. A second form tie is used to fix a nut for fixing a gang form to be buried. A third form tie is fixed on the first form tie, and bars are arranged. Then an inner form is erected, and concrete is poured and cured. Then the third form tie remains and the first and the second form tie are removed from the outside of the gang form to simultaneously perform construction of a concrete wall and external heat insulation construction without a problem of damage to an exterior insulator for fixing a gang form or a need for post attachment of an exterior insulator for a remaining portion. Since an upper floor of the gang form can be fixed by using the previously buried nut for fixing a gang form to lift the gang form to the upper floor and then screwing and fixing a lower end of the gang form on the nut for fixing a gang form by an anchor bolt or the like, construction efficiency and economic efficiency are excellent by reducing the number of processes and shortening construction time. Since form work is performed in an internal space of a construction target, a work space is easily secured and safety is easily secured. The previously buried nut for fixing a gang form is used to easily and efficiently perform external scaffold installation.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an external heat insulating method,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer heat insulating method and an outer heat insulating wall therefor, and more particularly, to a method of manufacturing an outer heat insulating wall by using a composite heat insulating plate in which an inorganic foam board is laminated on the inner and outer sides of an organic foam board, Fixing a gang-fixing nut to a predetermined position of the above-mentioned composite insulation plate using a second foam tie, placing the reinforcing bars inwardly spaced apart from the composite insulation plate, Or by using a third form tie connected to the first foam tie, and by curing the concrete between the outer formwork and the inner formwork to cure the concrete structure simultaneously with the construction of the concrete structure A composite insulation plate for external heat insulation is integrally and firmly attached to the outside of the concrete structure, and a gantry fixing nut The first and second foam ties passing through the composite heat insulating plate are taken out, and then the gum foam is placed in the upper layer Next, there is no need for troublesome and troublesome work of removing the third foam tie in the concrete structure by fixing the ganged foam to the upper layer by fastening the second foam tie to the gang-fixing nuts embedded in the predetermined position, Since there is no first and second foam ties, it is possible to effectively prevent a thermal bridge phenomenon due to foam ties and to obtain an excellent heat insulating effect. In particular, a complicated structure for fixing gangs as the above- , There is no necessity of installing a large gang-fixing structure of the present invention, and therefore, It relates to a heat-insulating wall.

In recent years, interest in passive houses as buildings that can save 75-90% or more of energy compared to conventional buildings has been increasing by reducing the heat loss by using the advanced insulation method.

Generally, a concrete building structure is formed by installing inner and outer dies which are fixed and fixed at regular intervals using a foam tie such as seperatel or sefa tie, and by pouring and curing concrete in the space between them, .

In the construction of concrete structure, it is widely used for insulation and outer insulation using insulation board. Insulation construction method has advantages such as easy construction and relatively low construction cost. However, concrete structure itself is directly exposed to external environment However, there is a problem that internal condensation phenomenon easily occurs. On the other hand, the external heat insulation method has an advantage of excellent energy saving effect because there is no internal condensation phenomenon because of excellent heat insulation. However, the organic foam insulation board So that it is not easy to install and the construction cost is high.

In recent years, there has been an increasing trend of application of an external insulation method in which a heat insulating plate is disposed outside of a concrete structure so that energy efficiency can be improved by using the concrete structure itself as a heat accumulator, .

The registered patent publication No. 10-1211383 (registered on December 28, 2012) by the present applicant is composed of an inorganic foam board laminated on the inner and outer surfaces of the organic foam board through an adhesive layer, and the thickness of the above- 3 to 50 mm, and a thickness ratio of the inorganic foaming material: organic foaming material is 1: 1 to 20, and in the present invention, the above-mentioned composite insulating material is used.

Meanwhile, in Korean Patent Registration No. 10-1305109 (registered on Aug. 30, 2013), a tie bolt is divided into a tie bolt and a die tie bolt, and the die tie bolt is remained, but the tie bolt is removed and reusable. And a method of constructing an outer insulation wall using the same.

However, the above-mentioned conventional technique requires a large vertical frame, that is, a cage having a plurality of foot plates as a separate steel structure capable of installing a right curtain on the outer side of a concrete wall to be installed, and a separate scaffold frame for fixing the vertical frame In the vertical frame, an anchor bolt is passed through and a structure connecting part having two complicated structures is installed.

In this case, the lower structure connecting portion directly supports the load of the outer heat insulating material. After curing the concrete wall, the upper structural connecting portion is lifted upward to be spaced upward from the outer heat insulating material, and then the vertical frame is moved in the lateral direction of the cured concrete wall And then horizontally moved back to the original position, and then fixed to the upper portion. In this case, the upper and lower two structural connecting portions located above and below the external insulating material are positioned There is a problem that it is necessary to additionally perform an additional step of adhering the external heat insulating material to this part (the step of attaching the heat insulating material).

Japanese Unexamined Patent Publication (Kokai) No. 2004-137766 (published on May 13, 2004) discloses a cemented carbide cement comprising hard cemented cement mainly composed of inorganic cement, inorganic glass fiber and reinforcing ribs made of glass fiber reinforced concrete And a bubble concrete plate sandwiched between the reinforcing ribs. In the above-described prior art, the foam tie and the separator are separated from each other, and the separator in the concrete wall is remained, The present invention proposes an external heat insulating method capable of preventing the thermal bridge phenomenon and thereby improving the external heat insulating efficiency.

However, the above-described prior art requires the use of a frame rib formed of a longitudinal reinforcing rib and a sulfur reinforcing rib that form a frame shape, and an operation for sandwiching the outer insulating structure must be performed, There is a problem that it is not sufficiently satisfactory, and furthermore, it is not a structure applicable to the gang.

Korean Patent Registration No. 10-0820363 (Registered on Mar. 01, 2008) discloses a fixing beam for a gang form fixedly installed on a work cage, a fixing beam fixed on a wall of a concrete structure, and a vertical beam for lifting the gang- A stopper for fixing and releasing the fixing beam for gang form to the fixing bracket; and a stopper for positioning the fixing bracket in the fixing bracket in a sliding direction by a one- And a drop preventing means provided with a latching contact that can limit the movement of the gang-foam fixing device.

The fixing bracket adopts a conventional method in which the fixing brackets are fixed by screwing the fixing bolts to the anchor nuts previously embedded in the concrete. In this conventional method, the fixing beams for gang form are directly fixed to the concrete wall However, the present invention is not limited to the construction in which the outer form itself is directly fixed to the concrete wall, and the method of constructing the outer wall for simultaneously performing the concrete wall and the outer insulation.

Patent Registration No. 10-1211383 (registered on December 28, 2012) Patent Registration No. 10-1305109 (Registered on Aug. 30, 2013) Japanese Patent Application Laid-Open No. 2004-137766 (published on May 13, 2004) Patent Registration No. 10-0820363 (registered on Apr. 1, 2008)

Therefore, it is a first object of the present invention to provide a method of manufacturing a concrete structure, which is characterized in that, in addition to the concrete curing and the outer heat insulating material fixed to the inside of the gantry are integrally and firmly attached to the outside of the concrete structure, There is no problem in that the gantry is not provided with a separate supporting portion or connecting portion for supporting the upper and lower portions of the gantry on the other hand and therefore there is no need to attach additional gantry to the gantry portion in the upward movement of the gantry Which is excellent in work efficiency and economical efficiency.

The second object of the present invention is to use the ganged foam to support the outer heat insulating material as the outer formwork and to reuse the gantry foam in order to support the outer heat insulating material as the outer form, And an economical insulation method.

A third object of the present invention is to provide an outer insulation method which is easy to secure a work space and secures safety because a formwork is formed in an inner space of a building object.

A fourth object of the present invention is to provide an external thermal insulation method that can easily and efficiently install an external scaffold using a previously embedded gang-fixing nut.

A fifth object of the present invention is to provide an external heat insulating concrete structure (a) capable of effectively preventing a thermal bridge phenomenon due to foam ties and eliminating the need for troublesome and troublesome work of removing a foam tie in a concrete wall, And to provide a method of constructing the same.

A sixth object of the present invention is to provide an outer wall for passive buildings, which is constructed by the outer heat insulating method according to the first to fourth objects.

According to a preferred embodiment of the present invention to achieve the first to fifth objects of the present invention as described above, (A) using a first form-tie inside a gnomere, a composite heat- Fixing the gang-fixing nut so that the gang-fixing nut is positioned inside the composite insulation plate using the second foam tie at a predetermined position of the gang; (B) fixing one end of the third foam tie to one end of the first foam tie that fixes the composite insulation plate; (C) placing reinforcing bars inside the composite heat insulating plate and fixing the other end of the third foam tie to the inner die; (D) placing and curing concrete between the above-mentioned composite insulation board and the inner mold; (E) After curing the concrete, the third foam tie is remained as it is, and the first foam tie and the second foam tie are removed from the outside of the gnomere, so that the construction of the concrete wall and the external heat insulation And simultaneously installing the gantry fixing nut on the concrete wall.

Further, following the above step (E), (F) the above-mentioned gauze is poured into the upper layer, and then the second foam tie or anchor bolt is fastened to the above-mentioned gauze fixing nuts previously embedded, And then the above steps (A) to (E) may be repeatedly applied.

Here, a bolt for fixing the wire for positioning may be formed in at least a part of the outer circumferential surface of the gang-fixing nut.

Further, the bolt portion may be fitted with a wing nut having a fastening portion for fastening the wire for positioning.

At least one annular groove may be formed on the outer circumferential surface of the gum fixing nut.

The first foam tie and the second foam tie removing portion may be filled with an occluding material as a heat insulating foam filler.

The inner die may be either a euro foam or a gum foam.

After the removal of the gangue, it is of course possible to further perform a finishing process of attaching a stone or a tile finishing material to the outer surface of the composite heat insulating plate through an adhesive or a mortar layer.

The first foam tie may include a fixing bolt passing through the ganged foam and the composite heat insulating plate, a bracket and a wing nut which are fitted to one end of the fixing bolt and are located outside the gang foam, And a cone nut positioned on the inner side of the composite heat insulating plate.

The second foam tie may include a fixing bolt passing through the ganged foam and the composite heat insulating plate and a bracket and a wing nut which are fitted to one end of the fixing bolt and are located outside the gang foam, A gantry fixing nut is fixed.

The third foam tie may be a Sepa-bolt, one end of the bolt may be inserted into the cone nut, the other end of the bolt may be inserted into the inner die through a separate conn, -tie), one end of the bolt portion may be fitted into the above-described connot, and the other end of the slit forming flat portion may be fitted into the inner die.

 In addition, at least one cage having a deck and a safety guardrail may be formed outside the gang foam.

On the other hand, the above-mentioned composite insulation board comprises an organic foam board and an inorganic foam board laminated on the inner and outer surfaces of the above-mentioned foam board through an adhesive layer. The thickness of the inorganic foam board is 3 to 50 mm , The thickness ratio of the inorganic foam plate: organic foam plate is 1: 1 to 20, and the inorganic foam plate may be a calcium carbonate-based inorganic foam plate.

In order to achieve the fourth object of the present invention, according to a preferred embodiment of the present invention, there is provided an outer insulating wall constructed by the above-mentioned construction method.

According to the external heat insulation method of the present invention, the external heat insulating material as the outer formwork fixed to the inside of the gantry at the same time as the concrete curing is integrally and firmly attached to the outside of the concrete structure, There is no problem of deterioration of the outer insulation material for the gantry, and there is no separate supporting portion or connection portion for supporting the upper and lower portions of the gantry insulation. Therefore, when the gantry is moved upward, ), And after the concrete structure of the layer is applied, the gangue is sequentially poured onto the upper layer, and the outer insulation as the outer formwork is reused to support again, thereby reducing the number of processes and improving the efficiency of construction And the economy of the building, It is possible to easily secure the work space and to secure safety. It is also possible to easily and efficiently install the external scaffold by using the gang-fixing nuts previously embedded, and further, the foam tie in the concrete wall It is possible to effectively prevent thermal bridging caused by foam ties in the concrete wall without requiring troublesome and troublesome work to be removed, thereby achieving an excellent heat insulating effect, so that a superior passive building can be efficiently installed.

FIGS. 1A to 1C are schematic cross-sectional views illustrating the construction of an outer heat insulating wall according to an outer heat insulating method according to the present invention.
FIGS. 2A to 2C are views illustrating an example of a gantry fixing nut applied to the outer heat insulating method according to the present invention.
Fig. 3 is a partial cross-sectional view showing the construction of an external heat insulating wall in the external heat insulating method according to the present invention.
4 is a partial cross-sectional view showing a state of a finished material after dismantling of an outer heat insulating wall in an outer heat insulating method according to the present invention.
Fig. 5 is a perspective view showing a form construction state in the external heat insulating method according to the present invention. Fig.
6 is an enlarged view of part A of Fig.
7 is an explanatory view showing a disposing process for securing a composite heat insulating plate as an external heat insulating material in the external heat insulating method according to the present invention.

The term 'concrete structure' as used throughout this specification refers to a structure made up of concrete, such as a wall, a ceiling or a floor slab, or a boundary that divides the inside and outside of a building, And there is no particular limitation on the kind, but general ones are concrete wall and concrete slab for external heat insulation.

Also, in this specification, the term 'outer formwork' is narrowly defined to mean a composite heat insulation plate that directly defines the outer surface of a concrete wall to be formed by curing the poured concrete.

In addition, the term 'gang-foam' used throughout this specification refers to a 'large flat plate-like support' which plays a role of firmly supporting the 'outer formwork' from the outside, But is not limited to a general structure of a fixed structure comprising a fixed beam to be fixed to the fixed beam and a cage to be fixed to the fixed beam, Is defined as not excluding at least one of a deck for finishing work and a cage having a safety guardrail formed thereon.

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

FIGS. 1A to 1C are schematic cross-sectional views of an outer heat insulating wall 20 according to an embodiment of the present invention. FIGS. 2A to 2C are cross- 3 is a partial cross-sectional view of the outer heat insulating wall 20 in the state of construction in the outer heat insulating method according to the present invention, and FIG. 4 is a sectional view of the outer heat insulating wall 20 according to the present invention. Sectional view of a part of the finishing material 9 after the dismantling of the outer heat insulating wall 20 in a state in which the heat insulating wall 20 has been dismantled.

First, construction of a concrete wall 20 and a slab 21 forming a first layer of a building will be described with reference to FIG. 1A.

The composite heat insulating plate material 2 as the outer formwork is fixed to the inside of the gantry 6 by using the first foam tie 3 while the gantry 6 is placed on the ground, Fixing the nuts 10a, 10b or 10c to the inside of the composite heat insulating plate 2 by using the second foam tie 4 at a predetermined position, generally a slab forming position.

One end of the third foam tie 5 is fixed to one end of the first foam tie 3 for fixing the composite insulation plate 2 and is separated from the inner surface of the composite insulation plate 2 The inner mold 7 is set up and the other end of the third foam tie 5 is fixed to the inner mold 7 as described above.

In the present invention, since the molding operation is performed in the internal space of the building object, it is easy to secure the work space and to secure safety.

Thereafter, concrete is poured and cured between the above-mentioned composite insulating plate 2 and the inner die 7.

After the concrete curing, the above-described third foam tie 5 is left as it is, while the first foam tie 3 and the second foam tie 4 are removed from the outside of the gnome 6.

As a result, the construction of the concrete wall 20 and the external heat insulation construction using the composite insulation plate 2 are simultaneously performed at the same time, and the gantry fixing nuts 10a, 10b, or 10c are cured in the concrete wall 20 ).

The height of the gnomere 6 is preferably higher than the height of the gnome 6 because the lower part of the gnomere 6 at the time of the upper layer construction, 10b or 10c and the upper part of the gnome 6 must reach the position of the slab 21 in the upper layer of the installation target in which the gnome fixing nuts 10a, 10b or 10c are to be embedded, In addition, the upper end of the gangue 6 can be fixed from the inside by using a wire (not shown), a support neck (not shown), and the like. In addition, Because it can be bigger than the stratum of the upper stories.

The fastening structure of the first to third foam ties 3, 4, 5 described above with reference to FIG. 3 will be described more specifically.

The first foam tie 3 includes a fixing bolt 3a passing through the composite heat insulating plate 2 through a plurality of openings (not shown) previously formed in the ganged foam 6, A bracket 3b and a wing nut 3c which are fitted to one end of the ganged plate 6 and are located outside the ganged plate 6 and a wing nut 3c which is fitted to the other end of the fixing bolt 3a and which is located inside the composite heat insulating plate 2 And a cone nut 3d.

A metal nut hole (not shown) is formed in the inside of the cone nut 3d and a cone of synthetic resin is coupled to the outside.

The second foam tie 4 is provided with a fixing bolt 4a passing through the ganged foam 6 and the composite heat insulating plate 2 and a fixing bolt 4b fitted into one end of the fixing bolt 4a, Brackets 4b and wing nuts 4c located outside of the fixing bolts 4a and 6b and the gang-fixing nuts 10a, 10b and 10c to be described later are fixed to the other ends of the fixing bolts 4a .

Meanwhile, the third foam tie 5 may be a Sepa-bolt or a Sepa-tie. When the third foam tie 5 is a three-ply tie as shown in the figure, The bolt portion 5a at one end is fitted in the connut 3d and the flat portion 5c at the other end formed with the slit 5d (see FIG. 6) is fitted in the inner die 7, The third foam tie 5 described above is firmly fixed by fitting the wedge pin 5f into the second foam tie 5d.

On the other hand, although not shown, when the third foam tie 5 is a seperate bolt, one end of the bolt portion 5a is fitted to the cone nut 3d, and the other end of the bolt portion (not shown) (Not shown) of the inner mold 7, which is also in the scope of the present invention.

According to the external heat insulating method as described above, the first foam tie 3 used for fixing the composite heat insulating plate 2 as the external heat insulator inside the gantry 6 and the first foam tie 3 used as the external mold forming the concrete curing space The third foam tie 5 positioned between the inner surface of the composite heat insulating plate 2 and the inner mold 7 is positioned on the same axis line to firmly fix the inner and outer molds 7 and 6, The first foam tie 3 and the third foam tie 5 are separated from each other so that the third foam tie 5 in the cured concrete wall 20 is left as it is, 6), it is possible to effectively prevent the phenomenon of thermal bridge phenomenon and consequent dew condensation.

After the concrete wall 20 is cured, the removal of the first foam tie 3 and the second foam tie 4 is performed by unscrewing the wing nuts 3c and 4c and fixing the fixing bolts 3a and 4a to the cone The first foam tie 3 and the second foam tie 4 are removed from the composite insulation plate 2 by being pulled out from the nuts 4d and the grommet fixing nuts 10a, 10b or 10c It can be easily removed.

Next, construction of the concrete wall 20 and the slab 21 forming the two layers will be described with reference to Figs. 1B and 1C.

After the first foam tie 3 and the second foam tie 4 are removed from the outside of the gnome 6, the gnome 6 is poured into the upper layer using a crane or the like. At this time, The gang-set fixing nuts 10a, 10b or 10c previously embedded in the concrete wall 20 at the position of the slab 21 are inserted into the through holes formed by the removal of the second foam tie 4 (Not shown) (see Fig. 1B).

Next, using the above-described gantry fixing nuts 10a, 10b, or 10c with the ganged foam 6 preliminarily buried in the upper layer, the second foam tie 4 or another anchor bolt (not shown) The lower part of the gantry 6 is firmly fixed to the one-layer ceiling slab 21, and the procedure described above with reference to FIG. 1A is repeated to form two layers.

It is needless to say that the above-mentioned methods and procedures are repeated for three or more layers.

The gantry fixing nuts 10a, 10b, or 10c as a preferred example applicable to the outer heat insulating method of the present invention will be described with reference to Figs. 2A to 2C, but the present invention is not limited thereto, There is no particular limitation on the shape and the structure of the reinforcing bars 8 as long as they can firmly and stably fix the gnome fixing nuts 10a, 10b, or 10c to the reinforcing bars 8 by using the reinforcing bars 8a.

However, if the gantry fixing nuts 10a, 10b, or 10c can not be firmly fixed to the reinforcing bar 8, the gantry fixing nuts 10a, 10b, or 10c may be fixed by the concrete falling load and the concrete self- There is a possibility that the gantry 6 can not be held horizontally in the fixed position. In this case, since the gantry 6 for the upper layer construction is difficult to be stocked or the gantry 6 may fall down due to a poor fixation, the gantry fixing nuts 10a, 10b, 10c are very important in the present invention.

2A shows a case where a bolt portion 12 for fixing a wire 8a for positioning is formed in at least a part of the outer circumferential surface of the gang-foam fixing nut 10a.

The gang-fixing nut 10b shown in Fig. 2B shows an example in which a wing nut 13 having a fastening portion 13a for fastening the wire 8a for reinforcement is fitted in the bolt portion 12 described above, In the illustrated example, the fastening portion 13a is formed in a ring-closed configuration, but the present invention is not limited thereto, and the fastening portion 13a may be formed in various openings so as to facilitate the fastening of the wire 8a. And this is also within the scope of the present invention.

2C shows an example in which at least one annular groove portion 14 is formed on the outer circumferential surface of the gang-fixing nut 10c so as to firmly bind the wire 8a.

The composite heat insulating plate 2 applied to the external heat insulating method according to the present invention will now be described. The organic insulating foam plate 2c having a relatively large thickness, for example, about 5 to 60 cm, And inorganic foam sheet materials 2a and 2b laminated on both inner and outer surfaces of one organic foam sheet material 2c with an adhesive layer interposed therebetween. Each of the inorganic foam sheet materials 2a and 2b has a thickness of 3 to 50 mm The thickness of the inorganic foaming plates 2a and 2b and the thickness of the organic foaming plates 2c is 1: 1 to 20 and the inorganic foaming plates 2a and 2b are made of calcium carbonate In some cases, the above-described organic foamed sheet material 2c may not be applied, and this is also within the scope of the present invention.

The composite heat insulating plate 2 including the inorganic foam plates 2a and 2b is excellent in mechanical properties such as heat insulation, moisture resistance, moisture resistance, compressive strength and bending strength, tensile strength, light weight, It is easy to cut on the site, surface irregularity processing, or curved surface processing to fit to the inner and outer walls treated with the curved surface design, and it is possible to use a gypsum board, a design board or the like The wall or exterior wall finishing works such as wallpaper plaster attachment, mortar application, tile attachment through mortar, marble adhesive application using mortar or epoxy adhesive can be applied to the insulation board without using anchor bolts. It can be carried out simply and directly, and has excellent workability. Specific details regarding this can be obtained by the above-mentioned registration by the present applicant The air is described in the beam No. 10-1211383.

As a result, the inner surface of the inner inorganic foam sheet material 2b of the composite heat insulating plate 2 as the outer heat insulating material is very firmly attached to the outer surface of the concrete wall 20.

4, by removing the first foam tie 3 and the second foam tie 4 described above, the perforations of the composite heat insulating plate 2 are adhered to the perforations of the composite heat-insulating plate 2 as a heat-insulating foam filling material such as foamed polyurethane or silicone And the clogging material 9b is filled. After the gangue is removed, an adhesive agent for building or a mortar 9a for finishing (not shown) is attached to the outer surface of the outer inorganic foam board 2a contacting with the outside atmosphere of the composite heat insulating plate 2 as the above- The finishing material 9 and the inorganic foaming material 2a are bonded together very firmly and stably because they are inorganic materials.

At this time, by using the gantry fixing nuts 10a, 10b, or 10c previously embedded in the concrete wall body 21, an external scaffold (not shown) or a cage (not shown) Of course.

Also, if necessary, at least one cage having a deck for finishing work and safety rails may be formed in a plurality of layers outside the gangue 6, although not shown, within the scope of the present invention.

FIG. 5 is a perspective view showing the formwork construction in the external heat insulating method according to the present invention, FIG. 6 is an enlarged view of part A in FIG. 5, and FIG. 7 is a cross- The description will be made for the sake of simplicity of explanation for the arrangement process for fixing the heat insulating plate 2 to the gnomere 6.

5 and 6 show the same size of the composite heat insulating plate 2 as the outer formwork, but this is only for convenience of illustration, and actually, as shown in FIG. 7, And a plurality of the composite heat insulating plates 2 are cut in the standard and / or predetermined dimensions on the inner side thereof, and are fixed as shown in Figs. 5 and 6.

The gantry 6 has a relatively large dimension and is fixed to the inner surface of the gantry 6 by a plurality of first foam ties 3, One end of the third foam tie 5 is fixed to one end on the same axial line of the one foam tie 3 and the other end of the third foam tie 5 is inserted into the end mold 7 As shown in Fig.

The gantry fixing nut 10a is fixed to the concrete wall 21 at a predetermined position of the gantry 6, preferably at the position of the slab-forming concrete wall 21 by using the plurality of second foam ties 4, And is fixed on the inner side so as to abut the inner surface of the plate member 2.

Therefore, after curing of the concrete structure, the gnomere 6 is moved to the upper layer directly above by using a lifting means such as a crane and the lower portion of the gnomere 6 is slab 21 It is possible to repeatedly reuse the composite heat insulating plate 2 as an outer formwork by fixing it firmly to the outer surface of the concrete structure, Shortening and improving efficiency of construction, and saving labor force.

Although the present invention has been described in detail, the present invention is not limited thereto, and various changes and modifications may be made by those skilled in the art.

1: The outer heat insulating wall according to the outer heat insulating method of the present invention
2: Composite insulation board (outer formwork)
2a: outer inorganic foam board 2b: inner inorganic foam board
2c: Organic foam board
3: first form-tie < RTI ID = 0.0 >
3a: Fixing bolt 3b: Bracket
3c: wing nut 3d: cone nut
4: 2nd form tie
4a: Fixing bolt 4b: Bracket
4c: wing nut
5: Third form tie
5a: bolt portion 5c: flat portion
5d: slit 5e: wedge pin
6: Gang Form `7: My Form (Euro Form or Al Form)
8: Rebar 8a: Wire
9: Finishing material
9a: Adhesive or mortar for finishing 9b: Clogged material
10, 10a, 10b: Gantry fixing nuts
11: nut portion 12: bolt portion
13: wing nut 13a:
14: outer groove
20: concrete wall 21: slab

Claims (14)

An outer insulation method comprising the following steps:
(A) fixing a composite heat-insulating plate as an outer formwork by using a first form-tie to the inner side of the gnomere, while using a second form tie at a predetermined position of the gnomon, Fixing the plate to a position inside the composite heat insulating plate;
(B) fixing one end of the third foam tie to one end of the first foam tie that fixes the composite insulation plate;
(C) fixing reinforcing bars to the inside of the above-mentioned composite insulation board, fixing the inner mold and the other end of the third foam tie to the inner mold,
(D) pouring and curing concrete between the above-mentioned composite insulation board and inner moldings; And
(E) After curing the concrete, the third foam tie is remained as it is, and the first foam tie and the second foam tie are removed from the outside of the gnomere, so that the construction of the concrete wall and the external heat insulation And simultaneously installing the gantry fixing nut in the concrete wall. The method according to claim 1, further comprising the steps of: (F) following the step (E), after filling the gum foam with the upper layer, the second foam tie or anchor bolt is fastened to the previously- (A) to (E) are repeatedly applied after fixing a lower portion of a ganged foam. The method according to claim 1 or 2, wherein a bolt portion for fixing the wire for positioning is formed in at least a part of an outer circumferential surface of the gang-fixing nut. The method as claimed in claim 3, wherein a wing nut having a fastening portion for fastening a wire for positioning is fitted in the bolt portion. The method according to claim 1 or 2, wherein at least one annular groove portion is formed on an outer circumferential surface of the gang-fixing nut. The method according to claim 1 or 2, wherein the step of filling the first foam tie and the second foam tie removing part with the closure material as the heat insulating foam filler is performed. The method according to claim 1, wherein the inner mold is a Euroform or a gum foam. The method according to claim 1 or 2, wherein after removing the gnomes, the outer surface of the composite heat insulating plate is adhered with a stone or a tile finishing material through an adhesive or a mortar layer. [2] The apparatus according to claim 1, wherein the first foam tie comprises a fixing bolt passing through the ganged foam and the composite insulation plate, a bracket and a wing nut fitted to one end of the fixing bolt and positioned outside the gang foam, And a cone nut located inside the composite heat insulating plate. [2] The apparatus according to claim 1, wherein the second foam tie comprises a fixing bolt passing through the ganged and composite heat insulating plate, a bracket and a wing nut which are fitted to one end of the fixing bolt, An outer insulation method in which a gantry fixing nut is fixed to the other end of a fixing bolt. [3] The method according to claim 1, wherein the third foam tie is a Sepa-bolt, one end of the bolt is fitted to the cone nut, and the other end of the bolt is fitted to the inner die through a separate connut , Or a separator (Sepa-tie), wherein one end of the bolt portion is fitted in the connot, and the other end of the slit forming flat portion is fitted in the inner die. The method according to claim 1, wherein at least one cage having a deck and a safety guardrail is formed outside the gang foam. The composite heat insulating plate material according to claim 1, wherein the composite heat insulating plate material is composed of an organic foamed sheet material and an inorganic foamed sheet material laminated on the inner and outer surfaces of the above described organic foamed sheet material with an adhesive layer interposed therebetween, Wherein the thickness of the inorganic foaming material: organic foaming material is from 1: 1 to 20, and the inorganic foaming material is composed of calcium carbonate-based inorganic foaming material. An outer insulating wall constructed by the method according to claim 1 or 2.

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