CN213062484U - Fireproof structure of steel keel glass partition and glass curtain wall node - Google Patents
Fireproof structure of steel keel glass partition and glass curtain wall node Download PDFInfo
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- CN213062484U CN213062484U CN202020827691.3U CN202020827691U CN213062484U CN 213062484 U CN213062484 U CN 213062484U CN 202020827691 U CN202020827691 U CN 202020827691U CN 213062484 U CN213062484 U CN 213062484U
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Abstract
The utility model discloses steel fossil fragments glass cuts off fire resistive construction with glass curtain wall node, including being located indoor steel fossil fragments, be located outdoor steel clamp plate and dress trim cover, fix the fire prevention glass between steel fossil fragments and steel clamp plate and dress trim cover, the internal surface of steel clamp plate and dress trim cover, be located the fixed first fire prevention felt that is provided with one combustion behavior for A level between steel clamp plate and dress trim cover and the fire prevention glass, the surface of steel fossil fragments, be located the fixed second fire prevention felt that is provided with one combustion behavior for A level between steel fossil fragments and the fire prevention glass, be provided with the air bed that makes steel clamp plate and dress trim cover and steel fossil fragments not communicate between first fire prevention felt and the second fire prevention felt. When the conflagration takes place, this fire resistive construction can the back-fire to separate the cigarette to can postpone conflagration high temperature heat effectively and by the transmission of high temperature side direction low temperature side, and then reduce the harm to whole curtain steel construction, the steel construction of protection whole curtain can not warp because of the temperature rises fast and collapses.
Description
Technical Field
The utility model relates to a fire resistive construction, concretely relates to steel fossil fragments glass cuts off, fire resistive construction of glass curtain wall node.
Background
In recent years, fire disasters happen in curtain wall projects of high-rise buildings. In order to make glass curtain wall, glass partition in the curtain wall engineering have the fire prevention function, the prior art adopts the structure as shown in figure 1: a glass partition wall and a glass curtain wall with fireproof functions are formed by matching a steel keel 1 ', fireproof glass 3 ', a steel pressing plate, a decorative cover 2 ', a sealing rubber strip 4 ', a rubber heat insulation cushion block 5 ' and the like.
The sealing rubber strip is made of flame-retardant rubber and belongs to a non-incombustible organic material with combustion performance of grade B, and the combustion performance of the rubber heat-insulating cushion block is below grade B. The combination of joint strip and rubber heat insulation cushion is the worst part of fire behavior among the whole curtain system, can lose efficacy under the high temperature condition of four five hundred degrees centigrade of conflagration, and unable back-fire relief separates the cigarette, can't protect the curtain steel construction, and this can lead to whole curtain steel construction to warp and collapse, endangers the personal and property safety.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a steel fossil fragments glass cuts off fire resistive construction with glass curtain wall node, it can prevent the fire and separate the cigarette when the conflagration takes place to can postpone conflagration high temperature heat effectively and incline the transmission by high temperature side direction low temperature, and then reduce the harm to whole curtain steel construction, the steel construction of protection whole curtain can not warp because of the temperature rises fast and collapses.
The utility model discloses steel fossil fragments glass cuts off fire resistive construction with glass curtain wall node, including being located indoor steel fossil fragments, being located outdoor steel clamp plate and dress trim cover, fixing the fire prevention glass between steel fossil fragments and steel clamp plate and dress trim cover, the internal surface of steel clamp plate and dress trim cover, being located the fixed first fire prevention felt that is provided with one combustion behavior for A level between steel clamp plate and dress trim cover and the fire prevention glass, the surface of steel fossil fragments, being located the fixed second fire prevention felt that is provided with one combustion behavior for A level between steel fossil fragments and the fire prevention glass, first fire prevention felt with be provided with the air bed that makes steel clamp plate and dress trim cover and steel fossil fragments not communicate between the second fire prevention felt.
The utility model discloses steel fossil fragments glass cuts off fire resistive construction with glass curtain wall node, wherein, first fire prevention felt and second fire prevention felt adopt the inorganic fiber felt that coefficient of heat conductivity is less than or equal to 0.03W/(m K) under the normal atmospheric temperature environment.
The utility model discloses steel fossil fragments glass cuts off fire resistive construction with glass curtain wall node, wherein, the coefficient of heat conductivity of first fire prevention felt and second fire prevention felt when outdoor average temperature is 500 ℃ is less than or equal to 0.09W/(m K).
The utility model discloses steel fossil fragments glass cuts off the fire resistive construction with the glass curtain wall node, wherein, the material of first fire prevention felt and second fire prevention felt is aluminium carbonate felt, ceramic fiber felt, rock wool felt or aerogel felt.
The utility model discloses the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node, wherein, first fire prevention felt bonds through the fire prevention sealed glue and seals and form an organic whole with the steel fossil fragments on the steel fossil fragments, and second fire prevention felt bonds through the fire prevention sealed glue and seals and cover at steel clamp plate and decoration and form an organic whole with steel clamp plate and sealed lid, and both link together through screw fastener.
The utility model discloses steel fossil fragments glass cuts off the fire resistive construction with glass curtain wall node, wherein, fire prevention glass passes through fire prevention sealed glue to be fixed between steel fossil fragments and steel clamp plate and dress trim cover, and fire prevention sealed glue bond first fire prevention felt and second fire prevention felt and seal between fire prevention glass and steel fossil fragments and steel clamp plate and dress trim cover.
The utility model discloses the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node, wherein, the steel fossil fragments are the steel square tube that need not secondary operation.
The utility model discloses the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node is different from the prior art in that, the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node of the utility model adopts the first and the second fire prevention felt with the combustion performance of A level, an air layer is arranged between the first and the second fire prevention felt, fire prevention sealant is also arranged between the fire prevention glass and the steel fossil fragments, between the fire prevention glass and the steel pressing plate and between the decorative covers, the continuous fire prevention effect from the fire prevention glass to the fire prevention glass is formed by utilizing the flexibility of the first fire prevention felt and the second fire prevention felt, fire prevention and smoke isolation can be realized, and the high temperature heat brought by fire can be effectively delayed to be transmitted from the high temperature side steel structure of the fire area to the low temperature side steel structure, thereby the whole curtain wall steel structure can not be deformed and collapsed because of the rapid rise of temperature, and no matter whether the fire, or the two sides of the glass partition plate can be simultaneously generated, at least one fireproof felt in the first fireproof felt and the second fireproof felt is close to the flame, the glass partition plate and the glass curtain wall structure are protected, and the fireproof performance of fire at high temperature can be greatly improved.
In the fireproof structure of the steel keel glass partition and the glass curtain wall joint, the heat conductivity coefficients of the first fireproof felt and the second fireproof felt are less than or equal to 0.03W/(m × K) under the normal temperature environment; when the average temperature reaches 500 ℃, the heat conductivity coefficient is less than or equal to 0.09W/(m & ltK & gt), the first fireproof felt and the second fireproof felt are bonded and sealed between the fireproof glass and the steel keel and between the steel pressing plate and the decorative cover by the fireproof sealant, the first fireproof felt and the second fireproof felt have good compatibility with the fireproof sealant, and the fireproof sealant can further enhance the smoke-proof sealing effect.
The utility model discloses among the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node, steel fossil fragments are the steel square tube that need not secondary operation, have reduced the installation degree of difficulty of first fire prevention felt and second fire prevention felt, have practiced thrift installation time.
The following description will be made with reference to the drawings for the fireproof structure of the steel keel glass partition and glass curtain wall joint of the present invention.
Drawings
FIG. 1 is a schematic view of a fire protection architecture for a steel keel glass partition and glass curtain wall joint of the prior art;
FIG. 2 is a schematic view of the fire-resistant structure of the steel keel glass partition and glass curtain wall joint of the present invention;
FIG. 3 is a thermal analysis graph of the fire-proof structure of the steel keel glass partition and glass curtain wall node at 400 ℃ outdoors and a surface temperature graph of the steel keel indoors in the prior art;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a thermal analysis chart of the fireproof structure of the steel keel glass partition and glass curtain wall joint of the present invention at 400 ℃ outdoors and a surface temperature chart of the steel keel indoors;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a thermal analysis graph of the fire-proof structure of the steel keel glass partition and glass curtain wall node at 500 ℃ outdoors and a surface temperature graph of the steel keel indoors in the prior art;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a thermal analysis chart of the fire-proof structure of the steel keel glass partition and glass curtain wall joint of the present invention at 500 ℃ outdoors and a surface temperature chart of the steel keel indoors;
FIG. 10 is an enlarged view of a portion of FIG. 9;
FIG. 11 is a thermal analysis graph of the fire-proof structure of the steel keel glass partition and glass curtain wall node at 400 ℃ indoors and a surface temperature graph of the steel pressure plate and the decorative cover outdoors in the prior art;
FIG. 12 is an enlarged view of a portion of FIG. 11;
FIG. 13 is a thermal analysis chart of the fireproof structure of the steel keel glass partition and glass curtain wall joint of the present invention at an indoor temperature of 400 ℃ and a surface temperature chart of the outdoor steel pressing plate and the decorative cover thereof;
FIG. 14 is an enlarged view of a portion of FIG. 13;
FIG. 15 is a thermal analysis graph of the fire-proof structure of the steel keel glass partition and glass curtain wall node at 500 ℃ indoors and a surface temperature graph of the steel pressure plate and the decorative cover outdoors in the prior art;
FIG. 16 is an enlarged view of a portion of FIG. 15;
FIG. 17 is a thermal analysis chart of the fireproof structure of the steel keel glass partition and glass curtain wall joint of the present invention at 500 ℃ indoors and a surface temperature chart of the outdoor steel pressing plate and the decorative cover thereof;
fig. 18 is a partially enlarged view of fig. 17.
Detailed Description
As shown in fig. 2, the utility model discloses the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node, including being located indoor steel fossil fragments 1, be located outdoor steel clamp plate and dress trim 2, fire prevention glass 3, wherein, fire prevention glass 3 fixes between steel fossil fragments 1 and steel clamp plate and dress trim 2 through sealed glue 4 of fire prevention, the internal surface of steel clamp plate and dress trim 2, be located steel clamp plate and dress trim 2 and fire prevention glass 3 between the fixed first fire prevention felt 5 that is provided with, the surface of steel fossil fragments 1, be located steel fossil fragments 1 and fire prevention glass 3 between the fixed second fire prevention felt 8 that is provided with, be provided with between first fire prevention felt 5 and the second fire prevention felt 8 and make steel clamp plate and dress trim 2 and steel fossil fragments 1 air bed 7 that does not communicate. The first fireproof felt 5 and the second fireproof felt 8 adopt inorganic fiber felts with the thermal conductivity coefficient of less than or equal to 0.03W/(m K) and the combustion performance of A class under the normal temperature environment, such as aluminum carbonate felts, ceramic fiber felts, rock wool felts or aerogel felts, and the thermal conductivity coefficient of the first fireproof felt 5 and the second fireproof felt 8 is less than or equal to 0.09W/(m K) when the outdoor average temperature is 500 ℃. Thermal conductivity is given in watts/(meter degrees). First fire prevention felt 5 bonds through fire prevention sealed glue 4 and seals and form an organic whole on steel fossil fragments 1, and second fire prevention felt 8 bonds through fire prevention sealed glue 4 and seals and form another an organic whole on steel clamp plate and dress trim cover 2, and both link together through screw fastener 6. The utility model discloses among the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node, steel fossil fragments 1 is the steel square tube that need not secondary operation, and the surface is the parallel and level, can reduce the installation degree of difficulty of first fire prevention felt and second fire prevention felt, practices thrift installation time.
The utility model discloses the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node uses flexible first fire prevention felt and second fire prevention felt that the combustion performance is A level incombustible, and applies the fire prevention sealant in the outside of first fire prevention felt and second fire prevention felt, and first fire prevention felt and second fire prevention felt thermal conductivity coefficient is less than or equal to 0.03W/(m x K) under normal atmospheric temperature environment; when the average temperature reaches 500 ℃, the heat conductivity coefficient is not more than 0.09W/(m & ltK & gt), and the unit of the heat conductivity coefficient is watt/(m & ltK & gt), so that when a fire disaster occurs, the fire can be prevented, smoke can be separated, and the high temperature caused by the fire disaster can be effectively delayed to be rapidly transmitted from the high-temperature side steel structure of the fire disaster area to the low-temperature side steel structure (the steel keel, the steel pressing plate and the decorative cover are all steel structures), thereby protecting the whole curtain wall steel structure from deformation and collapse due to the rapid temperature rise.
The prior art structure shown in fig. 1 is very easy to form a smoke channel when a fire occurs, rapidly transfers toxic smoke generated from a fire occurrence side to the other side, and rapidly transfers high temperature from the fire occurrence side to the other side by convection of air. No matter the conflagration takes place at indoor side or in the outdoor side, or take place simultaneously in both sides, because the utility model discloses in the structure, have at least one fire prevention felt to close on flame in first fire prevention felt and the second fire prevention felt, can further play the guard action to glass partition and glass curtain wall structure, improve the fire behavior when conflagration high temperature greatly. The utility model discloses steel fossil fragments glass cuts off the fire resistive construction of and glass curtain wall node, utilize the flexibility of first fire prevention felt and second fire prevention felt, form from fire prevention glass to fire prevention glass's continuous fire prevention effect, and first fire prevention felt and second fire prevention felt have good compatibility with fire prevention sealed glue, rely on fire prevention sealed glue to play the sealed effect of smoke protection, and need not change current fire prevention curtain wall's structure basically, the combined cost is low, it is convenient to install, the fire behavior of curtain has been increased substantially.
As shown in fig. 3 and 4, when the outdoor temperature of the fire-proof structure of the glass partition and glass curtain wall node of the steel keel in the prior art is 400 ℃, the surface temperature of the steel keel is 100 ℃. As shown in fig. 5 and 6, the utility model discloses the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node is when outdoor temperature is 400 ℃, and the temperature on steel fossil fragments surface is 65.4 ℃. As shown in fig. 7 and 8, when the fire-proof structure of the glass partition and the glass curtain wall node of the steel keel in the prior art is 500 ℃ outdoors, the temperature of the surface of the steel keel is 121 ℃. As shown in fig. 9 and 10, the fire-proof structure of the steel keel glass partition and the glass curtain wall node of the utility model is at 500 ℃ outdoor, and the temperature of the steel keel surface is 77 ℃. As shown in fig. 11 and 12, when the indoor temperature of the fire-proof structure of the steel keel glass partition and the glass curtain wall node in the prior art is 400 ℃, the temperature of the surfaces of the steel pressing plate and the decorative cover is 143 ℃. As shown in fig. 13 and 14, the fire-proof structure of the steel keel glass partition and the glass curtain wall node of the utility model has a temperature of 101.2 ℃ on the surfaces of the steel pressing plate and the decorative cover when the indoor temperature is close to 400 ℃. As shown in fig. 15 and 16, when the fire-proof structure of the steel keel glass partition and the glass curtain wall node in the prior art is at 500 ℃ indoors, the temperature of the surfaces of the steel pressing plate and the decorative cover is 174.6 ℃. As shown in fig. 17 and 18, the fire-proof structure of the steel keel glass partition and the glass curtain wall node of the utility model is at 500 ℃ outdoor, and the temperature of the surfaces of the steel pressing plate and the decorative cover is 120.3 ℃.
As can be seen from the comparison of FIGS. 3 and 5, the temperature of the surface of the steel keel of the utility model is reduced by 35 ℃ compared with the temperature of the surface of the steel keel of the prior art, and the heat transfer is reduced. As can be seen from the comparison of FIGS. 7 and 9, the temperature of the surface of the steel keel of the present invention is reduced by 44 ℃ compared with the temperature of the surface of the steel keel of the prior art, and the heat transferred to the surface of the steel keel from the outside is also reduced. As can be seen from the comparison of fig. 11 and 13, the temperature of the surface of the steel pressing plate and the decoration cover of the present invention is reduced by about 42 ℃ compared with the temperature of the surface of the steel pressing plate and the decoration cover of the prior art, and the heat transfer is reduced. As can be seen from comparison between fig. 15 and 17, the temperature of the surface of the steel pressing plate and the decoration cover of the present invention is reduced by about 54 ℃ compared with the temperature of the surface of the steel pressing plate and the decoration cover of the prior art, and the amount of heat transferred from the room to the surface of the steel pressing plate and the decoration cover is also reduced. Therefore, compared with the prior art, the utility model discloses among the fire resistive construction of steel fossil fragments glass partition and glass curtain wall node, formed continuous heat that hinders between outdoor steel clamp plate and dress trim cover and indoor steel fossil fragments, reduced thermal transmission. And the first fireproof felt and the second fireproof felt cannot lose effectiveness at the high temperature of 500 ℃, so that the fire is not increased due to the fact that a large amount of oxygen loses air tightness and flows in, and the safety of a steel structure is improved.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a fire resistive construction of steel fossil fragments glass partition and glass curtain wall node, is including being located indoor steel fossil fragments (1), being located outdoor steel clamp plate and dress trim cover (2), fixing fire prevention glass (3) between steel fossil fragments (1) and steel clamp plate and dress trim cover (2), its characterized in that: the internal surface of steel clamp plate and dress trim (2), be located fixed be provided with one combustion behavior for first fire prevention felt (5) of A level between steel clamp plate and dress trim (2) and fire prevention glass (3), the surface of steel fossil fragments (1), be located fixed be provided with between steel fossil fragments (1) and fire prevention glass (3) one combustion behavior for second fire prevention felt (8) of A level, first fire prevention felt (5) with be provided with between second fire prevention felt (8) and make steel clamp plate and dress trim (2) and air bed (7) that steel fossil fragments (1) do not communicate.
2. The fire resistive construction of steel keel glass partition and glass curtain wall node as defined in claim 1, wherein: the first fireproof felt (5) and the second fireproof felt (8) are inorganic fiber felts with heat conductivity coefficient less than or equal to 0.03W/(m × K) under normal temperature environment.
3. The fire resistive construction of steel keel glass partition and glass curtain wall node as defined in claim 2, wherein: the thermal conductivity of the first (5) and second (8) fire-resistant mats is less than or equal to 0.09W/(m K) when the outdoor average temperature is 500 ℃.
4. The fire resistive construction of steel keel glass partition and glass curtain wall node as defined in claim 3, wherein: the first fireproof felt (5) and the second fireproof felt (8) are made of aluminum carbonate felt, ceramic fiber felt, rock wool felt or aerogel felt.
5. The fire resistive construction of steel joist glass partition and glass curtain wall node as claimed in claim 4, wherein: the first fireproof felt (5) and the second fireproof felt (8) are connected with the steel keel (1), the steel pressing plate and the decorative cover (2) through screw fasteners (6).
6. The fire resistive construction of steel joist glass partition and glass curtain wall node as claimed in claim 5, wherein: fireproof glass (3) is fixed between steel fossil fragments (1) and steel clamp plate and dress trim cover (2) through fire prevention sealed glue (4), and fire prevention sealed glue (4) with first fire prevention felt (5) and second fire prevention felt (8) bonding sealed between fireproof glass (3) and steel fossil fragments (1) and steel clamp plate and dress trim cover (2).
7. The fire protection architecture for steel keel glass partitions and glass curtain wall joints as claimed in any one of claims 1-6, wherein: the steel keel (1) is a steel square tube without secondary processing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020827691.3U CN213062484U (en) | 2020-05-18 | 2020-05-18 | Fireproof structure of steel keel glass partition and glass curtain wall node |
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| CN202020827691.3U CN213062484U (en) | 2020-05-18 | 2020-05-18 | Fireproof structure of steel keel glass partition and glass curtain wall node |
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| CN213062484U true CN213062484U (en) | 2021-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456265A (en) * | 2020-05-18 | 2020-07-28 | 余卫平 | Fireproof structure of steel keel glass partition and glass curtain wall node |
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2020
- 2020-05-18 CN CN202020827691.3U patent/CN213062484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456265A (en) * | 2020-05-18 | 2020-07-28 | 余卫平 | Fireproof structure of steel keel glass partition and glass curtain wall node |
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