KR20160109314A - Construction method for window frame on the external insulation wall and construction structure thereof - Google Patents

Abstract

The present invention relates to a construction method for a window frame on an external insulation wall and a construction structure thereof. According to the present invention, the construction method is configured to fixate a plurality of support brackets to a position adjacent to an external end portion of a lower end of an opening portion for a window frame on a reinforcing bar concrete wall with an anchor bolt, fixedly position a sill for blocking a heat bridge on the support brackets, and fixated the window frame to the sill. According to the present invention, the construction method and construction structure thereof can effectively give a very excellent heat bridge blocking effect and a sealing effect with respect to an external insulation wall. Moreover, an equal distribution load can be effectively and easily realized, and further, high construction convenience can be provided.

Description

TECHNICAL FIELD [0001] The present invention relates to a method for constructing a window frame of an external wall,

The present invention relates to a method of constructing a window frame of an external wall panel and a construction structure thereof, and more particularly, to a method of constructing a window panel of an external wall panel by providing a window frame on an external thermal insulator other than a reinforced concrete wall, A window frame construction method, and a construction structure thereof.

Generally, a reinforced concrete building is constructed by installing a concrete wall or a slab by pouring and curing concrete between an inner formwork and an outer formwork, which are held at regular intervals using a bundle.

The construction of the window frame for the above-mentioned concrete wall is usually carried out by providing a window frame in the opening formed beforehand when the concrete wall is constructed, and brackets provided at the end of the concrete wall to support the window frame.

An example of such a conventional conventional window frame construction method is a method using a window frame fixing bracket as disclosed in Korean Patent Laid-Open Publication No. 10-2010-0044971 (published on May 3, 2010).

8, the mortar M, which is obtained by kneading and mixing cement and sand, is first applied to the upper end of the above-described balcony chin 50, and then bent in a tour operator form, The vertical panel 20 of the window frame fixing bracket 1 to which the window frame fixing bracket 40 is applied is in close contact with the inner wall surface 52 of the balcony jaw 50 and the horizontal panel 10 Is mounted on the upper end of the balcony jaw 50 and then is fastened to the anchor bolt 50 through the fastening holes 21 and 22 of the vertical panel 20 closely attached to the inner wall surface 52 of the balcony jaw 50 The window frame 60 is mounted on the upper end of the horizontal panel 10 and the lower window frame 60 is fixed to the lower window frame 60 by fixing the window frame fixing bracket 1 to the above- And the horizontal panel (10) are screwed together to form a joint between the window frame fixing bracket (1) and the window frame (60) formed of the PVC window frame The texture is completely formed.

The waterproof silicone (S) is applied for waterproofing between the window frame fixing bracket 1 fixed to the upper end of the balcony jaw 50 by the hardening of the mortar M and the mortar M, The styrofoam heat insulator and the cementitious material are adhered to the inner region from the inner wall surface 52 of the balcony chin 50 to which the horizontal panel 10 of the window frame fixing bracket 1 is fixed to the inner end of the window frame 60, , Gypsum boards, etc., as well as finishing works such as painting and painting.

However, the above-described conventional window frame construction method relates to a method of constructing a window frame of an inner wall of an inner wall of an inner wall of a concrete wall and an inner wall of the inner wall of the inner wall.

Meanwhile, the outer heat insulating wall is intended to solve the problem of heat loss due to the heat transfer from the inside to the outside through the concrete wall. By arranging the heat insulating plate on the outer side of the concrete wall and using the concrete wall as a heat accumulator, In general, the construction of a window frame for such an outer wall is constructed such that a window frame is installed over an opening formed in the outer wall and outer insulation material, If the opening is narrow, it is difficult to install the window frame. To solve this problem, if the opening is formed to be wider than the window frame, it is necessary to perform the heat insulation construction around the window frame subsequently, .

Accordingly, there has been a long-standing need in the art for an effective and efficient improvement of the window frame construction method and construction structure that minimizes thermal bridging and enables airtightness in connection with an outer insulating wall exhibiting excellent insulating effect.

Korean Patent Publication No. 10-2010-0044971 (published on May 3, 2010)

Therefore, it is a first object of the present invention to provide a method of constructing a window frame for an outer heat insulating wall which can obtain an excellent heat bridging effect and a hermetic effect.

A second object of the present invention is to provide a method of constructing a window frame for an outer insulating wall which can effectively realize an even distribution of window and window frame loads.

It is a third object of the present invention to provide a window frame construction structure of an outer heat insulating wall which has an excellent thermal bridge breaking effect and airtight effect realized by the window frame construction method for the outer heat insulating wall and exhibits an evenly distributed load .

According to a preferred embodiment of the present invention to achieve the first and second objects of the present invention, (A) a plurality of support brackets are spaced a predetermined distance from an outer end of a lower end of a window frame opening formed in a reinforced concrete wall A support bracket fixing step of fixing the support bracket with an anchor bolt at one position; (B) a subcylindrical installation step of positioning and fixing the lower bridge for breaking the thermal bridge on the plurality of support brackets; (C) a window frame mounting step for fixing the window frame to the lower cabinet; (D) installing an outer heat insulating material on the outer side of the reinforced concrete wall.

In the present invention, if necessary, step (D) may be performed before step (C).

Further, the support bracket may have an L-shaped body having a horizontal support portion and a vertical fixing portion, and a heat bridge pad may be formed on the outer surface thereof.

The thermal barrier pads may be formed of an elastomeric ethylene propylene diene monomer rubber, natural rubber, polybutadiene rubber, butyl rubber, silicone, or a thermoplastic polyurethane elastomer having excellent heat insulation properties.

Further, the support bracket may be made of stainless steel, and the horizontal support portion and the vertical fixing portion may have a strength reinforcing wing formed on the periphery thereof.

The above-mentioned sub-cabinet may be a ligneous wood material or a synthetic resin lumber material.

Wherein an airtight tape is adhered to an upper surface region adjacent to the contact portion between the lower bridge for thermal bridging and the reinforced concrete wall and the upper surface and the inner and outer surfaces of the reinforced concrete wall including the airtight tape located on the reinforced concrete wall are coated with a cement mortar layer .

Also, an inflatable and airtight expandable band may be applied between the bottom surface of the window frame and the lower cabinet.

Here, the upper surface of the outer heat insulating material is formed as a rainwater infiltration slope, a rainwater collector is installed via a urethane foam layer, and an inflatable band is applied to the bottom of the sloped end of the rainwater collector.

In addition, the above-mentioned external heat insulator may be an inorganic foam insulator adhered to the inner and outer surfaces of the organic foam insulator.

A plaster finish layer may also be formed on the outer surface of the outer heat insulator.

Here, a plasma finish layer may be formed on the corner portion of the external heat insulator through a mesh or net.

An inner finishing material may be formed on the cement mortar on the upper surface of the reinforced concrete wall.

The upper end of the opening for the window frame formed on the reinforced concrete wall is fixed to the reinforced concrete wall using a fixing bolt at a position spaced upward from the upper end by a predetermined distance, A plurality of support brackets can be fixed to the outer end portion adjacent to the upper end by anchor bolts, and the window frame can be fixed to the support bracket.

Here, a rigid synthetic resin board may be provided between the outer heat insulating material and the supporting bracket adjacent to the reinforced concrete wall, and a Venetian blind holder may be provided outside the rigid synthetic resin board.

In addition, a finishing material may be installed on the bottom surface of the hard synthetic resin board through a heat insulating material on a portion where the window frame is not mounted.

According to a preferred embodiment of the present invention to achieve the third object of the present invention, a plurality of supports fixed to an anchor bolt at a predetermined distance from an outer end of a lower end of an opening for a window frame formed on a reinforced concrete wall A bracket; A plurality of support brackets fixedly mounted on the support brackets; A window frame fixed to the lower limb; There is provided a window frame construction structure of an outer heat insulating wall formed of an outer heat insulating material located outside the reinforced concrete wall.

Here, the support bracket may have an L-shaped body having a horizontal support portion and a vertical fixing portion, and a heat bridge pad may be formed on an outer surface of the L bracket.

It is preferable that the airtight tape is located on the upper surface area adjacent to the contact portion between the lower bridge for thermal bridge blocking and the reinforced concrete wall and the inflatable and airtight expandable band is located between the lower surface of the window frame and the lower cabin.

On the other hand, at the upper end of the opening for the window frame formed in the reinforced concrete wall, there are provided a support which is fixed to support the outer heat insulating material at a position spaced upward from the upper end by an anchor bolt at an outer end adjacent to the upper end A plurality of support brackets and a window frame fixed to the plurality of support brackets are positioned.

In addition, a hard synthetic resin board may be positioned between the outer heat insulating material and the support bracket adjacent to the reinforced concrete wall, and a Venetian blind holder may be located outside the hard synthetic resin board.

A method for constructing a window frame of an outer insulating wall according to the present invention is characterized in that a window frame is provided on an outer thermal insulating material and includes a plurality of support brackets made of stainless steel having a relatively low thermal conductivity and having a heat- Is fixed to the outer side adjacent to the lower end of the opening for the window frame, and the window frame is fixed on the lower panel by fixing the lower bridge for breaking the thermal bridge thereon. Thus, In addition to this, the uniformly distributed load can be easily and effectively realized, and the convenience of installation is high.

In addition, the present invention has a high energy efficiency since the window frame is disposed on the outer heat insulating material side outside the reinforced concrete wall to minimize the thermal bridging phenomenon by the window frame and to use the inner reinforced concrete wall as the heat storage material together with the improved heat insulating effect.

1 is a cross-sectional view of a main part of a construction structure realized by a method of constructing a window frame of an outer insulating wall according to the present invention.
FIG. 2 is a cross-sectional top and bottom section of a construction structure realized by a method of constructing a window frame of an outer heat insulating wall according to the present invention.
3 is a bottom view of the construction structure of Fig.
4 is a photograph showing a support bracket having a lower frame for supporting a window frame and a heat bridge block applied to a window frame construction method of an outer heat insulating wall according to the present invention.
Fig. 5 is a simulation view of heat flow in a construction structure using a supporting bracket having a wooden lower cabinet and a heat bridge blocking pad.
Fig. 6 is a simulation of thermal perfusion in a construction structure using a support bracket having a thermal barrier pads without application of a wooden sub-cabinet. Fig.
Fig. 7 is a simulation of thermal perfusion in a construction structure using only a support bracket without application of a wooden girdle and a heat bridge block pad.
8 is a cross-sectional view illustrating a conventional window frame construction method.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of an essential part of a construction structure 1 realized by a method of constructing a window frame of an outer insulating wall according to the present invention. The construction method according to the present invention basically comprises: (A) A bracket fixing step of fixing the bracket 2 to the reinforced concrete wall body 20 at a position spaced apart from the outer end of the lower end of the opening for the window frame by the anchor bolt 3; (B) a subcylindrical installation step of positioning and fixing the lower bridge 5 for breaking the thermal bridge on the plurality of support brackets 2; (C) a window frame mounting step for fixing the window frame 10 to the lower panel 5; (D) installing an external heat insulating material 30 on the outside of the reinforced concrete wall body 20.

In the present invention, in some cases, step (D) may be performed before the step (C), and this is also within the scope of the present invention.

As shown in Fig. 4, the support bracket 2 applied to the construction method according to the present invention has an L-shaped body (not designated) having a horizontal support portion 2a and a vertical fixing portion 2b, It is preferable that the heat-blocking pads 2c are formed on the outer surface of the heat-block pads 2c. The heat-blocking pads 2c may be made of an elastomeric ethylene-propylene diene monomer rubber, natural rubber, polybutadiene rubber , Butyl rubber, silicone, or thermoplastic polyurethane elastomer.

The support bracket 2 is made of stainless steel having a thermal conductivity lower than that of normal steel and a supporting strength reinforcing wing 2d is attached to the peripheral edge of the horizontal supporting portion 2a and the vertical fixing portion 2b May be formed.

The support bracket 2 is rigidly fixed to the reinforced concrete wall (refer to reference numeral 20 in Fig. 1) by the anchor bolts 3 and the fixing nut 3a to support the lower portion 5 at an evenly distributed load .

In the present invention, the above-mentioned subdivision 5 may be a ligneous material or a synthetic resin material, and is generally an individual tree.

In general, although two support brackets 2 are generally used for supporting the above-mentioned lower portion 5, depending on the length or weight of the window frame 10, three or more pieces may be used if necessary Of course.

In the construction method according to the present invention, the airtight tape 6 is adhered to the upper surface region adjacent to the contact portion between the lower bridge 5 for breaking the thermal bridge and the reinforced concrete wall body 20, It has moisture permeability and prevents external cold winds or rainwater from penetrating into the inside and discharges the infiltrated moisture to the outside. Various products of various companies are commercially available, for example, An airtight tape ME500 made of a polyethylene copolymer is one example.

A cement mortar layer 21 is formed on the upper and inner and outer sides of the reinforced concrete wall 20 and the cemented mortar layer 20 is formed on the airtight tape 6 located in the reinforced concrete wall 20 21 is formed, and an interior finishing material 23 such as artificial marble is applied thereon.

It is preferable to apply an expandable band 7a for moisture-proof and air-tightness between the bottom of the window frame 10 and the upper surface of the lower limb 5. The inflatable band 7a is also applicable to various products of various companies For example, TP600, which is a polyurethane foam having an acrylic UV stabilized resin-immersed open-cell structure of Illbruck, Germany.

In the illustrated example, the upper surface of the external heat insulating material 30 is formed as a rainwater slope inclined surface, the rainwater collector 8 is provided through the urethane foam layer 9, and the rainwater collector 8 The inflatable band 7b as described above can be applied to the bottom of the inclined end portion.

In the illustrated example, the outer heat insulating material 30 is bonded to the inner and outer surfaces of the organic foamed heat insulating material 30a. However, the present invention is not limited thereto and various types and forms It is of course also within the scope of the invention that external insulation may be applied.

Further, the outer surface of the outer heat insulator 30 may be provided with a plasma finish layer 40, but it is needless to say that other external finishing materials known in the art may also be applied.

When the plaster finish layer 40 is formed as an external finishing material, a plasma finish layer 40 is formed on the corner portion of the external heat insulator 30 through a mesh or net (refer to 90 in FIG. 3) So that the dropout or desorption of the portion can be prevented.

Therefore, the method of constructing the window frame of the outer heat insulating wall according to the present invention is characterized in that a plurality of support brackets 2, which are made of stainless steel having a relatively low thermal conductivity and on which the heat-bridge breaking pad 2c is formed, And the window frame 10 is fixed on the lower panel 5 by fixing the lower bridge 5 for blocking the thermal bridge on the outer side of the window frame 10, The uniformly distributed load can be easily and effectively implemented, and the convenience of installation is also high.

In addition, by further arranging the window frame 10 on the side of the outer heat insulating material 30 outside the reinforced concrete wall body 20, the inner wall of the reinforced concrete wall body 20 is improved As it is used as a heat storage material, it has high energy efficiency.

2 is a cross-sectional view of the upper part of the construction structure realized by the method of constructing the window frame of the outer insulation wall according to the present invention, and FIG. 3 is a bottom view of the construction structure of FIG. 2, .

On the other hand, at the upper end of the opening for the window frame formed in the reinforced concrete wall 20, the support 80 supporting the external heat insulator 30 at a position spaced upward from the upper end by a predetermined distance is used as the fixing bolt 81 A plurality of supporting brackets 2 are fixed to an outer end portion adjacent to the upper end by an anchor bolt (not shown), and then the window frame 10 is fixed to the reinforcing concrete wall 20, And is fixed to the support bracket 2. In this case, the hard synthetic resin board 50 may be provided between the outer heat insulating material 30 and the support bracket 2 adjacent to the reinforced concrete wall 20. In this case, if necessary, A Venetian blind holder 71 equipped with a Venetian blind 70 may be provided outside the board.

A portion of the bottom surface of the hard synthetic resin board 50 where the window frame 10 is not attached may be provided with a finishing material 61 through a heat insulating material 60. The heat insulating material 60 ) Portion may be mounted with an inflatable band (not shown) as described above.

In Fig. 3, reference numeral 7c denotes an expandable band, and 7d denotes caulking.

Next, the window frame construction structure 1 of the outer heat insulating wall according to the present invention will be briefly described.

The basic structure of the window frame construction structure 1 of the outer heat insulating wall according to the present invention is a structure in which a plurality of anchor bolts 3 are fixed to the reinforced concrete wall body 20 at a position spaced apart from the outer end of the lower end of the opening for the window frame A support bracket (2); A lower bracket 5 for fixing the heat bridges fixedly positioned on the plurality of support brackets 2; A window frame 10 fixed to the lower cabinet 5; And an outer heat insulating material 30 located outside the reinforced concrete wall body 20.

Here, the support bracket 2 has an L-shaped body having a horizontal support portion 2a and a vertical fixing portion 2b, and the heat-blocking pads 2c may be formed on the outer surface of the support bracket 2 as described above.

The airtight tape 6 is located on the upper surface region adjacent to the contact portion between the lower bridge 5 for the thermal bridge blocking and the reinforced concrete wall 20 and the upper surface of the lower pane 5 and the upper surface of the lower bridge 5, And the airtight expandable band 7a are positioned.

On the other hand, at the upper end of the window frame opening formed in the reinforced concrete wall 20, there are provided a support 80 which is fixed to support the external heat insulator 30 at a position spaced upward from the upper end by a predetermined distance, A plurality of support brackets 2 fixed to an outer end portion adjacent to the support brackets 2 by anchor bolts (not shown), and a window frame 10 fixed to the plurality of support brackets 2 are positioned.

A rigid synthetic resin board 50 is positioned between the outer thermal insulation material 30 and the support bracket 2 adjacent to the reinforced concrete wall 20 and the rigid synthetic resin board 50 is disposed outside the rigid synthetic resin board 50 The Venetian blind holder 70 may be positioned.

5 is a view showing a simulation of a heat flow in a construction structure using a supporting bracket having a wooden subdivision and a thermal bridge block, FIG. 6 is a view showing a thermal structure of a construction structure using a support bracket having a thermal bridge block, FIG. 7 is a simulation of thermal perfusion in a construction structure using only a support bracket without application of a wooden girdle and a heat bridge block. FIG.

7 was not applied and the linear heat exchange (Psi) value was 0.1334 W / (mk) when only the support brackets made of stainless steel without the heat bridge pads were used. On the other hand, the EPDM The value of Psi was 0.0939 W / (mk), which was about 29.6% lower than that of the support bracket using the heat bridging pad. The simulation results show that the Psi value for the brackets can be significantly reduced to about 58.6% at 0.0552 W / (mk).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. This is also within the scope of the present invention.

1: Construction method according to the present invention
2,2a: Support bracket
2a: horizontal support part 2b: vertical fixing part
2c: thermal bridge block 2d: wing
3: Anchor bolt 4: Fixing bolt
5: Hygein 6: Airtight tape
7, 7a, 7b, 7c: inflatable band 8:
9: Urethane foam layer
10: window frame 11: glass
20: reinforced concrete wall 21: cement mortar (layer)
22: woven pattern wrap 23: finishing material (layer)
30: Outer insulation
30a: organic foam 30b: inorganic foam
40: Plaster Finish (Layer)
50: Hard synthetic resin board
60: Insulation material 61: Finishing material
70: Venetian blind 71: Holder
80: Supporting area 81: Fixing bolt
90: mesh or net

Claims (21)

A method for constructing a window frame for an external wall composed of the following steps:
(A) a supporting bracket fixing step of fixing a plurality of supporting brackets to an anchor bolt at a position spaced a predetermined distance from an outer end of a lower end of an opening for a window frame formed in a reinforced concrete wall;
(B) a subcylindrical installation step of positioning and fixing the lower bridge for breaking the heat bridge on the plurality of support brackets;
(C) a window frame mounting step for fixing the window frame to the lower panel; And
(D) installing an outer insulation material on the outer side of the reinforced concrete wall. The method according to claim 1, wherein the step (D) is performed before the step (C). The method as claimed in claim 1, wherein the supporting bracket has an L-shaped body having a horizontal support portion and a vertical fixing portion, and a thermal barrier pad is formed on an outer surface of the L bracket. 4. The method of claim 3, wherein the heat-shrinkable barrier layer is formed of one selected from the group consisting of ethylene propylene diene monomer rubber, natural rubber, polybutadiene rubber, butyl rubber, silicone and thermoplastic polyurethane elastomer Wherein the elastomer is an elastomer. The method as claimed in claim 3, wherein the supporting bracket is made of stainless steel, and the reinforcing wing is formed on the periphery of the horizontal supporting part and the vertical fixing part. The method for constructing a window frame according to claim 1, wherein the lower cabinet is made of wood or synthetic resin. 2. The reinforced concrete building according to claim 1, further comprising: an airtight tape adhered to an upper surface area adjacent to the contact portion between the lower bridge for thermal bridging and the reinforced concrete wall, and an upper surface of the reinforced concrete wall including the airtight tape located on the reinforced concrete wall A method of constructing a window frame for an outer wall formed of a cement mortar layer on the inner and outer sides. The method as claimed in claim 1, wherein an inflatable and airtight expandable band is applied between the bottom of the window frame and the lower compartment. The heat insulating wall as claimed in claim 1, wherein an upper surface of the external heat insulator is formed as a rainwater infiltration slope, a rainwater receiver is provided through a urethane foam layer, and an inflatable band is applied to the bottom surface of the sloped end portion of the rainwater receiver How to construct the window frame. The method as claimed in claim 1, wherein the outer heat insulating material is formed by bonding an inorganic foam insulating material to the inner and outer surfaces of the organic foamed heat insulating material. The method as claimed in claim 1, wherein the outer surface of the outer insulating material is formed with a plaster finish layer. 12. The method according to claim 11, wherein a plaster finish layer is formed on a corner portion of the external heat insulator through a mesh or net. The method according to claim 7, wherein the inner finishing material is placed on the cement mortar on the upper surface of the reinforced concrete wall. The reinforced concrete building according to claim 1, wherein a support for supporting the external heat insulator at a position spaced a predetermined distance upward from the upper end is provided at an upper end of an opening for a window frame formed in the reinforced concrete wall, And fixing the plurality of support brackets to the outer end portion adjacent to the upper end with anchor bolts to fix the window frame to the support bracket. 15. The method according to claim 14, wherein a hard synthetic resin board is disposed between the outer heat insulating material and the support bracket adjacent to the reinforced concrete wall, and a Venetian blind holder is installed outside the rigid synthetic resin board A method of constructing a window frame for an insulating wall. The method as claimed in claim 15, wherein a finishing material is installed on a bottom surface of the hard synthetic resin board through a heat insulating material on a portion where the window frame is not mounted. A plurality of support brackets fixed to the reinforced concrete wall by an anchor bolt at a position spaced from the outer end of the lower end of the opening for the window frame by a predetermined distance;
A plurality of support brackets fixedly mounted on the support brackets;
A window frame fixed to the lower limb; And an outer heat insulating material located outside the reinforced concrete wall
Window frame construction of exterior wall. 18. The structure of claim 17, wherein the supporting bracket has an L-shaped body having a horizontal support portion and a vertical fixing portion, and a heat bridge blocking pad is formed on an outer surface thereof. 18. The air conditioner according to claim 17, wherein the airtight tape is located on an upper surface region adjacent to the contact portion between the lower bridge for thermal bridge blocking and the reinforced concrete wall, and the inflatable and airtight expandable band is located between the lower surface of the window frame and the lower pane. Window frame construction. 18. The anchor according to claim 17, further comprising: a support having an upper end adjacent to the upper end thereof fixed to the upper end of the opening of the window frame formed at the reinforcing concrete wall to be fixed at a position spaced upward from the upper end by a predetermined distance; A plurality of support brackets fixed by bolts; and a window frame fixed to the plurality of support brackets. 21. The method according to claim 20, wherein a hard synthetic resin board is disposed between the outer heat insulating material and the supporting bracket adjacent to the reinforced concrete wall, and the Venetian blind holder is located outside the hard synthetic resin board Window frame construction.

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