KR20200060817A - Structure for preventing fire diffusion and construction method thereof - Google Patents

Abstract

According to the present invention, a structure for preventing fires from spreading comprises: a first fireproof foam pad attached to a wall; a vacuum insulating material having a smaller area than that of the first fireproof foam pad and attached to an outer center portion of the first fireproof foam pad; a second fireproof foam pad having the same area as that of the vacuum insulating material and attached to an outer side of the vacuum insulating material; and a non-flame-retardant insulating material coupled to the wall while surrounding upper ends and lower ends of the first fireproof foam pad, the vacuum insulating material and the second fireproof foam pad.

Description

STRUCTURE FOR PREVENTING FIRE DIFFUSION AND CONSTRUCTION METHOD THEREOF}

The present invention relates to a fire diffusion prevention structure and a construction method, and more particularly, to a structure and a construction method for preventing fire diffusion through an insulating material in an external insulation system.

The largest share of the energy consumption of buildings is heat loss through windows and exterior walls. Among them, an insulating material is generally used to prevent heat loss through the outer wall.

Thus, according to the location where the insulation is used, it is divided into an external insulation method and an internal insulation method. The double heat insulation method is a method of constructing an insulating material on the outer peripheral surface of the wall.

The external insulation method has advantages and disadvantages, and as an advantage, it forms an effective heat insulation layer directly inside the exterior material, so it is not affected by cooling by sunlight and cold, so there is less heat loss, and it maintains the indoor environment on the floor, wall, or roof. As it can be used as a heat storage body, it takes less energy to maintain the room temperature properly. In addition, since the building structure serves as a heat storage body for maintaining the indoor environment, it is difficult to generate an extreme temperature difference in the room and there is little concern about condensation in winter.

On the other hand, in the case of a proper temperature by air conditioning such as an air conditioner, a structure that is not used for a long period of time takes a long time to maintain the temperature because heat is transferred to structures other than the internal space. In addition, there is a disadvantage in that it takes a long time to construct and labor costs depending on the shape of the building.

One of these external insulation methods is a dry bit method. The dry-bit method is a finishing method in which a combustible material such as styrofoam is attached to the outer wall of a building, a mesh is attached to it, and then plaster or cement is added to the mesh.

When a combustible material is used as an insulating material in such an external insulation method, there is a problem in that the fire spreads rapidly during a fire and the poisonous gas is emitted, causing a great risk of human injury. In order to prevent the spread of fire through insulating materials in such an external insulation method, the fire spread prevention structure was announced in the Ministry of Land, Transport and Maritime Affairs Notice No. 2012-624.

Recently, however, there is a movement to revise the "rules on standards for evacuation and fire protection of buildings".

Regarding the fire spread prevention structure, Article 24 (Finishing Materials for Buildings), paragraph 6, states, "If the outer wall of the building is installed in accordance with the standards for fire spread prevention structures established and announced by the Minister of Land, Infrastructure and Transport, it is less than 6 stories and 22 meters. Buildings that are less than one can use non-flammable materials as finishing materials."

Therefore, in the future, if external insulation is introduced in buildings with less than six floors, it is expected that there will be more buildings using fire-retardant structures and materials with no flame retardant materials. However, if the fire diffusion prevention material is installed on every two floors, the flame retardancy increases, but the insulation decreases, so there is a disadvantage in terms of reducing building energy.

In addition, the part in which the fire diffusion prevention material is installed protrudes to the outer wall of the building, which has a disadvantage in suggesting the design of the outer wall of the building.

Republic of Korea Patent Publication No. 10-2017-0001320 (released on January 04, 2017)

The present invention is to solve the above problems, and an object of the present invention is to provide a fire diffusion prevention structure and a construction method having a fire diffusion prevention structure but not impairing the heat insulation performance of the place where the fire diffusion prevention structure is formed. .

In addition, it is to provide a fire diffusion prevention structure and a construction method that prevents the portion where the fire diffusion prevention structure is formed from protruding even if a fire diffusion prevention structure is formed.

In addition, it is to provide a fire diffusion prevention structure and a construction method that can prevent a fire from spreading through a gap between the wall and the fire diffusion prevention structure.

The fire diffusion prevention structure according to an aspect of the present invention includes a first fire resistant foam pad attached to a wall, a vacuum insulation material having a smaller area than the first fire resistant foam pad, and attached to an outer central portion of the first fire resistant foam pad, The second insulating foam pad having the same area as the vacuum insulating material and attached to the outside of the vacuum insulating material, the first fire resistant foam pad, the vacuum insulating material, and surrounding the top and bottom of the second fire resistant foam pad, It may be provided with a non-retardant insulating material that is coupled to the wall.

In addition, a fixture for coupling the first fireproof foam pad to the wall may be installed at a portion where the vacuum insulation material is not attached to the first fireproof foam pad.

In addition, after the first fire resistant foam pad is coupled to the wall, the first fire resistant foam pad may fill gaps with an anti-fire sealant on the upper and lower portions of the attachment surface attached to the wall.

In addition, the first fireproof foam pad and the vacuum insulation material, the vacuum insulation material and the second fireproof foam pad are bonded by a bond, and a part of the outer surface of the first fireproof foam pad and the vacuum insulation material and the second fireproof foam A fire protection tape surrounding the upper and lower portions of the pad may be further provided.

In addition, the outer surfaces of the non-flame retardant insulating material and the second fireproof foam pad may be coincident with each other.

The fire diffusion preventing structure according to another aspect of the present invention includes a first fire resistant foam pad attached to a wall, a vacuum insulating material having the same area as the first fire resistant foam pad, and attached to the outside of the first fire resistant foam pad, and It may be formed by attaching an integral module having the same area as a vacuum insulating material and having a second fire resistant foam pad attached to the outside of the vacuum insulating material with a semi-nonflammable high adhesive tape to the wall.

The construction method of the fire diffusion prevention structure according to an aspect of the present invention comprises the steps of attaching a first fire resistant foam pad to a wall, and a vacuum insulating material having a smaller area than the first fire resistant foam pad. 1 attaching a vacuum insulating material attached to the outer central portion of the fire resistant foam pad, and attaching a second fire resistant foam pad having the same area as the vacuum insulating material to the outside of the vacuum insulating material, and attaching the second fire resistant foam pad to the first It may include a step of attaching a fire-retardant foam pad, the vacuum heat-insulating material, and a non-flame-retardant heat-insulating material to the non-retardant heat-insulating material on the wall while surrounding the top and bottom of the second fire-resistant foam pad.

In addition, after the first fireproof foam pad attaching step, the first fireproof foam pad may be further provided with a gap filling step to fill gaps with a firestop sealant at upper and lower portions of the attachment surface attached to the wall.

In addition, after the step of attaching the vacuum insulating material and the step of attaching the second fire resistant foam pad, a part of the outer surface of the first fire resistant foam pad and the top and bottom portions of the vacuum heat insulating material and the second fire resistant foam pad are attached to wrap with fire tape. Fire prevention tape to be attached may be further provided.

According to the fire diffusion prevention structure and construction method according to an aspect of the present invention, the fire diffusion prevention structure is maintained while simultaneously maintaining the performance corresponding to the fire and insulation of the building by not impairing the heat insulation performance of the place where the fire diffusion prevention structure is formed. You can.

In addition, even if a fire diffusion preventing structure is formed, a portion in which the fire diffusion preventing structure is formed does not protrude so that a fire diffusion preventing furnace can be formed without damaging the exterior of the building.

In addition, it is possible to prevent the fire from spreading through the gap between the wall and the fire diffusion preventing structure.

1 is an exploded perspective view showing a state in which each member is combined to form a fire diffusion prevention structure according to an embodiment of the present invention.
Figure 2 is a cross-sectional view showing a state in which the members shown in Figure 1 are combined with each other to form a fire diffusion prevention structure.
Figure 3 is a cross-sectional view showing a fire diffusion prevention structure according to another embodiment of the present invention.
Figure 4 is a cross-sectional view showing a fire diffusion prevention structure according to another embodiment of the present invention.
Figure 5 is a cross-sectional view showing a fire diffusion prevention structure according to another embodiment of the present invention.
Figure 6 is a flow chart showing a construction method of a fire diffusion prevention structure according to an embodiment of the present invention.

Hereinafter, a fire diffusion prevention structure and a construction method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing a state in which each member is combined to form a fire diffusion prevention structure according to an embodiment of the present invention, and FIG. 2 is a member shown in FIG. 1 being combined with each other to form a fire diffusion prevention structure It is a cross-sectional view.

1 and 2, the fire diffusion prevention structure according to an embodiment of the present invention includes a first fire resistant foam pad 100 attached to the wall 10 and a smaller area than the first fire resistant foam pad 100 Having a vacuum insulation material 200 attached to the outer central portion of the first fire resistant foam pad 100, and a second fire resistant foam pad having the same area as the vacuum insulation material 200 and attached to the outside of the vacuum insulation material 200 (300), the first fire-resistant foam pad 100, the vacuum insulation material 200, and the second fire-resistant foam pad (300) surrounding the top and bottom of the non-flame-retardant heat insulating material (400) coupled to the wall (10) ).

The wall 10 may be formed of a wall formed of a concrete structure. If the wall 10 is insulated only with the non-combustible insulating material 400 having no flame retardancy, it is necessary to form a fire diffusion preventing structure because it is weak to fire.

In order to form a fire diffusion prevention structure, a first fire resistant foam pad 100 is attached to the wall 10. When attaching the first fire resistant foam pad 100, the first fire resistant foam pad 100 is attached to the wall 10 using a fixture 150. The fastener 115 may be inserted into the wall 10 and coupled with a fastener or the like, and a fastener or the like having an insulating function may be used to block the thermal bridge through the fastener. At this time, the fixture 115 is used to fix the top and bottom of the first fire protection foam pad (100). The reason for doing this is that when the vacuum insulating material 200 is fixed using the fixture 115, the vacuum of the vacuum insulating material 200 is destroyed, so that the vacuum insulating material 200 cannot be fixed using the fixture 115. .

On the other hand, after the first fire protection foam pad 100 is attached to the wall 10, the first fire protection foam pad 100 is separated from the upper and lower surfaces of the attachment surface attached to the wall 10 by a fire protection sealant 50 Can spicy. Fireproof sealant 50 is a material that fills the gap and is resistant to fire. As described above, by filling the gap between the first fireproof foam pad 100 and the wall 10 with the fire protection sealant 50, it is possible to prevent flame spread between the first fire resistant foam pad 100 and the wall 10.

It has a smaller area than the first fire resistant foam pad 100 on the outside of the first fire resistant foam pad 100 attached to the wall 10 using the fixture 115 and has an outer central portion of the first fire resistant foam pad 100. The vacuum insulating material 200 is attached. When attaching the vacuum insulating material 200 to the first fire resistant foam pad 100, an adhesive such as a bond may be used.

Vacuum insulation panel (200, VIP: Vacuum Insulation Panel) is an insulation material vacuum-treated by putting a core material in an aluminum multi-film. The vacuum insulating material 200 does not conduct heat or conduct convection in a vacuum state, and radiant heat is reflected by the aluminum multi-film, and thus has an insulation performance of approximately 10 to 15 times as compared with a general foam foam. In addition, since the vacuum insulating material 200 uses an inorganic material such as glass wool and fumed silica as a core material, it has a non-combustible or semi-non-combustible performance, and thus has an advantage of being able to cope with fire.

Although this thermal performance is superior to that of ordinary foamed Styrofoam, the thickness is only about 1/10 of that of normal foamed Styrofoam insulation, so the fire diffusion prevention structure is secured while ensuring thermal insulation while forming a fire diffusion prevention structure. It is possible to prevent it from protruding.

Meanwhile, a second fire resistant foam pad 300 having the same area as the vacuum insulating material 200 is attached to the outside of the vacuum insulating material 200. The second fire resistant foam pad 300 may be attached to the vacuum insulating material 200 by an adhesive such as a bond.

As described above, when the vacuum insulating material 200 having a small area and the second fire resistant foam pad 300 are attached to the first fire resistant foam pad 100, a stepped portion 160 is formed.

On the other hand, the first fire-resistant foam pad (100), vacuum insulation material (200), and the second fire-resistant foam pad (300) is wrapped around the top and bottom of the non-flame-retardant insulation (400) coupled to the wall (10) do. The non-flame retardant insulating material 400 has a stepped portion 410 and is coupled to the stepped portion 160 formed by the first fireproof foam pad 100, the vacuum heat insulating material 200, and the second fireproof foam pad 300. One surface of the non-retardant insulating material 400 may be attached to the wall 10 by an adhesive. In addition, the step portion 410 of the non-retardant insulating material 400 is attached while wrapping the upper and lower ends of the first fire resistant foam pad 100 and the upper and lower ends of the vacuum insulating material 200 and the second fire resistant foam pad 300.

According to this structure, the outer surfaces of the non-flame retardant heat insulating material 400 and the second fire resistant foam pad 300 coincide with each other. Therefore, when viewed from the outside, the outer surface of the second fire resistant foam pad 300 does not protrude from the outer surface of the non-flame retardant insulating material 400.

On the other hand, between the non-flammable insulating material 400, a first fireproof foam pad 100, a vacuum heat insulating material 200, and a second fireproof foam pad 300 using non-combustible or semi-non-combustible materials are inserted to form a fire diffusion prevention band structure. Since it is formed, it is possible to prevent the fire from one side of the non-retardant insulating material 400 from spreading to the other side.

Meanwhile, the first fireproof foam pad 100, the vacuum insulation material 200, and the second fireproof foam pad 300 may be integrated with each other in the field using an adhesive, and manufactured in the form of a module in a factory, and then fixed in the field. It can also be attached using (115).

Meanwhile, the fire diffusion preventing structure according to the above-described embodiment may be modified and implemented. Hereinafter, a modified embodiment of the fire diffusion prevention structure according to the above-described embodiment will be described. In describing the modified embodiments below, the same reference numerals are used for the same configuration as the above-described embodiments, and detailed descriptions thereof will be omitted.

3 is a cross-sectional view showing a fire diffusion prevention structure according to another embodiment of the present invention.

Referring to Figure 3, the fire diffusion prevention structure according to another embodiment of the present invention is a part of the outer surface of the first fire resistant foam pad 100 and the vacuum insulation material 200 in the fire diffusion prevention structure according to the above-described embodiment And a fire protection tape 500 surrounding the top and bottom of the second fire protection foam pad 300.

Since the first fireproof foam pad 100, the vacuum insulation material 200, and the second fireproof foam pad 300 form a stepped portion 160 having a'b' shape, the fireproof tape 500 also has a'b' shape Have and are glued. The vacuum insulator 200 has a non-combustible or semi-non-combustible performance, but can protect the vacuum insulator 200 by attaching the fire protection tape 500 because the outer layer may swell at high heat.

4 is a cross-sectional view showing a fire diffusion prevention structure according to another embodiment of the present invention.

Referring to FIG. 4, the second fire resistant foam pad 300 has the same area as the first fire resistant foam pad 100 and is attached to the vacuum insulating material 200.

Therefore, a filling groove 160 is formed between the first fire resistant foam pad 100 and the second fire resistant foam pad 300, and the flame retardant filling material 600 is filled in the filling groove 160. As the flame retardant filler 600, a filler such as a flame retardant urethane foam may be used. While filling the filling groove 160, the filling groove 160 is filled. Accordingly, the flame retardant filler 600 is also covered with the fixture 150, it is possible to prevent the heat bridge through the fixture 150. In addition, as the flame retardant filler 600 is filled, the first fire retardant foam pad 100, the flame retardant filler 600, and the second fire retardant foam pad 300 form one and the same surface. Therefore, the first fire-retardant foam pad 100, the flame-retardant filler 600, and the second fire-retardant foam pad 300 are processed by forming a cross-section of the non-flame-retardant insulating material 400 in a straight line without forming a step portion. ) Can cover the upper and lower ends.

5 is a cross-sectional view showing a fire diffusion prevention structure according to another embodiment of the present invention.

Referring to Figure 5, the fire diffusion prevention structure according to another embodiment of the present invention, the first fire protection foam pad 100, the vacuum insulating material 200, the second fire protection foam pad 300 has the same area and integrally Can be formed. As described above, the first fireproof foam pad 100 and the vacuum insulation material 200 to form the first fireproof foam pad 100, the vacuum insulation material 200, and the second fireproof foam pad 300 in the form of an integral module having the same area. ), the second fire resistant foam pad 300 may be bonded in a factory to form a module.

As described above, the modules formed by attaching the first fireproof foam pad 100, the vacuum insulation material 200, and the second fireproof foam pad 300 to each other are applied to the wall 10 using semi-nonflammable high adhesive tape 350 in the field. Can be attached. The semi-nonflammable high adhesive tape 350 may be formed of, for example, butyl tape.

As described above, the first fireproof foam pad 100, the vacuum insulation material 200, and the second fireproof foam pad 300 are manufactured in a module form and then attached using a semi-non-combustible tape 350 in the field to prevent a fire spread structure. It can be easily formed.

Meanwhile, the above-described fire diffusion prevention structure may be constructed in the following way.

Hereinafter, a construction method of the above-described fire diffusion prevention structure will be described.

6 is a flow chart showing a construction method of a fire diffusion prevention structure according to an embodiment of the present invention.

Referring to Figure 6, the construction method of the fire diffusion prevention structure according to an embodiment of the present invention is a first fire-resistant foam pad attaching step (S100) of attaching the first fire-resistant foam pad 100 to the wall 10, A vacuum insulating material attaching step (S200) of attaching the vacuum insulating material 200 having an area smaller than the first fire resistant foam pad 100 to the outer central portion of the first fire resistant foam pad 100, and the vacuum insulating material 200 A second fire resistant foam pad attachment step (S300) of attaching a second fire resistant foam pad 300 having the same area as the outside of the vacuum insulating material 200, the first fire resistant foam pad 100, and the vacuum Insulating material (200), and the second fire-resistant foam pad 300, while wrapping the top and bottom of the non-retardant insulating material 400 to the wall (10) includes a step of attaching a non-retardant insulating material (S400).

According to the construction method of the fire diffusion prevention structure according to an embodiment of the present invention, while having a fire diffusion prevention structure, it does not impair the heat insulation performance of the place where the fire diffusion prevention structure is formed, thereby improving the performance corresponding to fire and heat insulation of buildings. Can be maintained at the same time. In addition, it is possible to prevent the portion forming the fire diffusion prevention structure from protruding while having thermal insulation performance at the place where the fire diffusion prevention structure is formed.

On the other hand, after the first fire-resistant foam pad attaching step (S100), the first fire-resistant foam pad 100, the gap between the top and bottom of the attachment surface attached to the wall 10 with a fire sealant 50 The filling step may be further provided. As described above, by filling the gap between the first fireproof foam pad 100 and the wall 10 with the fire protection sealant 50, it is possible to prevent flame spread between the first fire resistant foam pad 100 and the wall 10.

On the other hand, after the vacuum insulation material attaching step (S200) and the second fire resistant foam pad attaching step (S300), a part of the outer surface of the first fire resistant foam pad 100 and the vacuum insulation material 200 and the second fire resistant foam The step of attaching the fire tape may be further provided so that the upper and lower portions of the pad 300 are wrapped around the fire tape 500.

Thus, by wrapping the upper and lower portions of the vacuum insulating material 200 with a fire-resistant tape 500, the vacuum insulating material 200 can be protected from high heat, and the outer shell of the vacuum insulating material 200 can be prevented from being swollen by heat. have.

In the above, the fire diffusion prevention structure and the construction method according to the embodiment of the present invention have been described, but the spirit of the present invention is not limited to the embodiments presented herein. And those skilled in the art to understand the spirit of the present invention, within the scope of the same idea, it is possible to easily propose other embodiments by adding, changing, deleting, adding, or the like, but also within the scope of the invention. something to do.

10: wall 50: fire protection sealant
100: first fireproof foam pad 200: vacuum insulation material
300: second fireproof foam pad 400: non-flame retardant insulation
500: fire protection tape 600: filling material

Claims (9)

A first fire protection foam pad attached to the wall,
A vacuum insulating material having a smaller area than the first fireproof foam pad and attached to an outer center portion of the first fireproof foam pad;
A second fire resistant foam pad having the same area as the vacuum insulating material and attached to the outside of the vacuum insulating material;
A fire diffusion prevention structure comprising the first fire-resistant foam pad, the vacuum insulation material, and a non-flame-retardant insulation material that is coupled to the wall while surrounding the top and bottom of the second fire-resistant foam pad. According to claim 1,
A structure for preventing a fire spread from being installed in the first fire-resistant foam pad to which the first fire-resistant foam pad is attached to the wall. According to claim 2,
A fire diffusion preventing structure, wherein after the first fire resistant foam pad is coupled to the wall, the first fire resistant foam pad fills the gaps with a fire sealant on the top and bottom of the attachment surface attached to the wall. According to claim 1,
The first fireproof foam pad and the vacuum insulation material, the vacuum insulation material and the second fireproof foam pad are bonded by a bond,
A fire diffusion prevention structure further comprising a portion of the outer surface of the first fireproof foam pad, and a fire insulation tape surrounding the vacuum insulating material and the top and bottom of the second fireproof foam pad. According to claim 1,
The non-flame retardant heat insulating material and the outer surface of the second fire resistant foam pad is a fire diffusion prevention structure, characterized in that coincide with each other. A first fire resistant foam pad attached to a wall, a vacuum insulating material having the same area as the first fire resistant foam pad and attached to the outside of the first fire resistant foam pad, and an outer surface of the vacuum insulating material having the same area as the vacuum insulating material A fire diffusion prevention structure formed by attaching an integral module having a second fire resistant foam pad attached to a wall with a semi-nonflammable high adhesive tape. A first fire-resistant foam pad attaching step of attaching the first fire-resistant foam pad to the wall,
A vacuum insulating material attaching step of attaching a vacuum insulating material having a smaller area than the first fire resistant foam pad to an outer central portion of the first fire resistant foam pad;
A second fire resistant foam pad attaching step of attaching a second fire resistant foam pad having the same area as the vacuum heat insulating material to the outside of the vacuum heat insulating material;
A method of constructing a fire spread prevention structure comprising the step of attaching a non-flame retardant heat insulating material to the wall while surrounding the top and bottom of the first fire retardant foam pad, the vacuum insulating material, and the second fire retardant foam pad. . The method of claim 7,
After attaching the first fireproof foam pad,
A method of constructing a fire diffusion prevention structure, characterized in that the first fireproof foam pad further comprises a gap filling step of filling a gap with a firestop sealant on the upper and lower portions of the attachment surface attached to the wall. The method of claim 7,
After the vacuum insulation material attaching step and the second fire protection foam pad attaching step,
And a fire tape attachment step of attaching a portion of the outer surface of the first fire resistant foam pad and the upper and lower portions of the vacuum insulation material and the second fire resistant foam pad to fire tape.

Images