Connecting joint structure of shock insulation layer outer wall and first floor slab

Abstract

The invention provides a shock insulation layer outer wall and first floor slab connecting joint structure, and relates to the field of building structure shock insulation, and the shock insulation layer outer wall and first floor slab connecting joint structure comprises a staggered heat insulation layer arranged in the length direction of an outer wall and flexible heat insulation layers located on the two sides of the staggered heat insulation layer; the staggered heat insulation layer comprises a plurality of fireproof sleeves which are arranged at intervals in the length direction of the outer wall, one ends of the fireproof sleeves are fixed to the top face of the outer wall or the bottom face of a floor, and the fireproof sleeves are located in gaps between every two adjacent fireproof sleeves on the opposite side and abut against each other. The length of each fireproof sleeve is larger than half of the gap between the top of the outer wall and the bottom of the floor. According to the technical scheme, the fireproof and heat-insulating effects are achieved through the fireproof sleeves which are arranged in a partitioned mode and arranged in the middle in a staggered mode, and the integrity of each fireproof sleeve can be protected through staggered avoiding due to the fact that the fixed ends of the fireproof sleeves are different during an earthquake; the two sides are made of flexible fireproof materials, so that displacement during an earthquake can be met, and the self fireproof effect can be guaranteed.

Description

Technical Field

[0001] The present invention generally relates to the field of earthquake isolation of building structures, and in particular to a connection node structure between an outer wall of an isolation layer and a first-floor floor slab. Background Art

[0002] In the field of construction engineering, a seismic isolation layer refers to a structural layer consisting of seismic isolation supports and damping devices, installed between a building's foundation or substructure and its superstructure. Its primary function is to reduce the transmission of seismic energy to the superstructure through the elastic deformation and damping of the isolation devices, thereby reducing the superstructure's seismic response and improving the building's seismic performance.

[0003] In buildings using seismic isolation technology, a gap is typically required between the top of the exterior wall and the ground floor slab. This is because under the action of an earthquake, the isolation layer will undergo horizontal displacement. If the top of the exterior wall is directly connected to the ground floor slab, this displacement will be restricted, affecting the isolation effect and even causing structural damage. Therefore, a certain gap is necessary to ensure the proper function of the isolation layer.

[0004] However, there are many challenges when installing fireproof and heat-insulating materials in this gap. On the one hand, it is necessary to ensure that the fireproof and heat-insulating materials can effectively block the transfer of flames and heat and meet the requirements of building fire protection regulations; on the other hand, since the width and position of the gap will change under the action of an earthquake, the fireproof and heat-insulating materials need to have good flexibility and durability to reduce post-earthquake wear and tear. In the existing technology, commonly used fireproof and heat-insulating materials are prone to cracking and falling off after an earthquake, which not only affects the fireproof and heat-insulating effect, but also requires frequent replacement, increasing maintenance costs. In addition, the existing setting methods often find it difficult to take into account the requirements of fire prevention, heat insulation and adaptation to deformation, resulting in unstable performance of the connection node between the outer wall of the seismic isolation layer and the first floor slab.

[0005] Therefore, how to reasonably arrange fireproof and heat-insulating materials in the gap between the outer wall of the seismic isolation layer and the first floor slab so that it can not only meet the requirements of fireproof and heat-insulating, but also reduce post-earthquake losses and improve the reliability of connection nodes is a technical problem that needs to be solved urgently in this field. Summary of the Invention

[0006] In view of the problems existing in the above-mentioned prior art, the present invention provides a connection node structure between the outer wall of the seismic isolation layer and the first floor slab, which is located between the top of the outer wall and the bottom of the floor slab and includes: a staggered insulation layer arranged along the length direction of the outer wall and a flexible insulation layer located on both sides of the staggered insulation layer; The staggered insulation layer comprises A plurality of fireproof sleeves are provided and spaced apart along the length of the exterior wall, one end of each sleeve is fixed to the top surface of the exterior wall or the bottom surface of the floor slab, and the other end of each sleeve extends toward the exterior wall or floor slab on the opposite side; the fireproof sleeves are located in the gaps between two adjacent fireproof sleeves on the opposite side and abut against each other; The length of each fireproof sleeve is greater than half of the gap between the top of the exterior wall and the bottom of the floor slab.

[0007] With the above technical features, the system is divided into zones and the fireproof casings are staggered in the middle to achieve the effect of fire prevention and heat insulation. During an earthquake, since the fixed ends of each fireproof casing are different, they can also be staggered to protect the integrity of each fireproof casing. Flexible fireproof materials are used on both sides, which can not only meet the displacement during an earthquake, but also ensure its own fireproof effect.

[0008] In some embodiments, the flexible insulation layer comprises The fireproofing sheet is laid along the length of the exterior wall, with one end secured to the bottom of the floor slab and the other end extending toward and secured to the top of the exterior wall. A staggered margin is left in the middle of the sheet. The sheet is made of a flexible material, with its ends secured to the top and bottom, connecting the top of the exterior wall to the bottom of the floor slab. Even if the floor slab and exterior wall shift during an earthquake, the sheet's flexibility can minimize structural damage, ensuring its fireproofing and heat-insulating properties.

[0009] In some embodiments, the fireproof cloth is distributed in a wave shape along the length of the top of the exterior wall, thereby increasing the length of the regional fireproof cloth, indirectly increasing the strength of the regional fireproof cloth, and further enhancing the fireproof effect of the fireproof cloth itself.

[0010] In some embodiments, a fireproof column is provided in each crest and trough of the wave-shaped fireproof cloth. One end of the fire column is fixed to the top surface of the exterior wall, and the other end extends toward the floor. Thus, the fire column acts as a limiter and guide. To accommodate the lateral displacement of fireproofing cloth in this area, a large amount of fireproofing cloth would be stacked in this area. Therefore, the fire column supports the stacked fire columns, limiting the stacking effect of the fireproofing cloth and maximizing the wave distribution of the fireproofing cloth.

[0011] In some embodiments, the fireproof column is a tube filled with fireproof rock wool powder. This makes the column itself fireproof, making it more resistant to fire. During an earthquake, the rock wool powder inside can splash from the top to the surrounding area due to vibration. Because the rock wool powder is a fireproof material, it can increase the fireproofing and heat resistance of the area covered by it.

[0012] In some embodiments, the fireproof column is provided with a plurality of leakage holes interconnected with the internal cavity. Thus, during an earthquake, the fireproof rock wool powder is shaken out through the leakage holes and scattered in the space below the fireproof cloth, thereby filling the connection gaps in the fireproof cloth's fixed area and enhancing the regional fireproofing effect.

[0013] In some embodiments, a gap is left between the fixing point of the fire column to the top of the exterior wall and the area where the fireproof cloth is fixed. This reduces direct contact between the fire column and the fireproof cloth, preventing damage to the fire column due to the stretching of the fireproof cloth and rubbing against the fire column during an earthquake, thereby preventing unnecessary safety hazards.

[0014] In some embodiments, a fireproof coil is disposed between adjacent fireproof sleeves. One end of the coil is secured to the top of the exterior wall or the bottom of the floor, while the other end is sleeved within the interior of the fireproof sleeve. Thus, the coils, when located within the opposing fireproof sleeves, not only limit the position of the sleeves but also fill the gap between the opposing sleeve ends. Even during earthquakes and sound-induced displacement, the coils can slide out of the sleeves to ensure proper movement.

[0015] In some embodiments, elastic limiting layers are sprayed on both sides of the staggered thermal insulation layer. The elastic limiting layer is a foamed material made of expandable polystyrene beads. Positioned on either side of the interlaced insulation layer, the elastic limiting layer fills the gaps connecting the interlaced insulation layers with the foamed material, improving fireproofing and heat insulation. Furthermore, during earthquakes, the elastic material possesses plasticity and can deform elastically to avoid damage caused by interlaced displacement between the exterior wall and the roof. In a major earthquake, tensile damage to the elastic limiting layer prevents the interlaced insulation layer from being restrained, allowing the interlaced insulation layer to reduce damage through displacement.

[0016] In some embodiments, the fireproof column and the fireproof sleeve are both made of ceramic silicone rubber. Therefore, at room temperature, the fireproof column and the fireproof sleeve are elastic and do not generate noise when in contact with other materials. However, when exposed to fire, they form a ceramic shell to achieve the desired fireproofing effect.

[0017] It should be understood that the contents described in the Summary of the Invention section are not intended to limit the key or important features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram showing the overall structure of a connection node structure between an outer wall of a seismic isolation layer and a first floor slab according to an embodiment of the present invention is shown; Figure 2 A schematic diagram of an explosion structure of a staggered insulation layer in a connection node structure between an outer wall of a seismic isolation layer and a first floor slab according to an embodiment of the present invention is shown; Figure 3 A schematic longitudinal section diagram of a staggered insulation layer in a connection node structure between an outer wall of a seismic isolation layer and a first floor slab according to an embodiment of the present invention is shown; Figure 4 A schematic structural diagram of a flexible thermal insulation layer in a connection node structure between an outer wall of a seismic isolation layer and a first floor slab according to an embodiment of the present invention is shown; Figure 5 A schematic structural diagram of a fireproof column in a connection node structure between an isolation layer exterior wall and a first floor slab according to an embodiment of the present invention is shown.

[0019] Explanation of symbols 1. Staggered insulation layer; 11. Insulation unit; 111. Fireproof casing; 112. Fixed base; 113. Fireproof membrane; 114. Elastic limiting layer; 2. Flexible insulation layer; 21. Fireproof cloth; 22. Fireproof column; 221. Leakage hole. DETAILED DESCRIPTION

[0020] Hereinafter, preferred embodiments (or implementations) of the present invention will be described in detail with reference to the accompanying drawings.

[0021] Reference below Figure 1-Figure 5 To describe the connection node structure between the outer wall of the seismic isolation layer and the first floor slab of the present invention.

[0022] Figure 1 The figure shows the overall structure of the connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to an embodiment of the present invention. Figure 1 As shown, the gap between the outer wall of the seismic isolation layer and the bottom of the first floor slab needs to be calculated based on the maximum horizontal displacement value of the seismic isolation bearing under a rare earthquake, and the width of the vertical isolation joint should not be less than 1.2 times the maximum horizontal displacement value of the seismic isolation bearing under a rare earthquake, and not less than 300mm. This embodiment provides a connection node structure between the outer wall of the seismic isolation layer and the first floor slab, which includes a staggered insulation layer 1 in the middle and flexible insulation layers 2 located on both sides of the staggered insulation layer 1. The staggered insulation layer 1 is arranged along the length direction of the outer wall and is located in the middle area of ​​the bottom of the outer wall.

[0023] Figure 2 The exploded structure diagram of the staggered insulation layer 1 in the connection node structure of the seismic isolation layer outer wall and the first floor slab in an embodiment of the present invention is shown. Figure 2As shown, the staggered insulation layer 1 includes an insulation unit 11 installed on the top surface of the exterior wall and the bottom of the floor. The insulation unit 11 includes multiple fire-resistant sleeves 111, one end of which is fixed to the top surface of the exterior wall or the bottom of the floor, and the other end extends toward the top surface of the opposite exterior wall or the bottom of the floor. Furthermore, a gap is left between adjacent fire-resistant sleeves 111, allowing the fire-resistant sleeves 111 on the opposite side to be inserted into the gap between the adjacent fire-resistant sleeves 111 on the same side, so that the fire-resistant sleeves 111 abut each other.

[0024] Furthermore, the fireproof sleeve 111 adopts a tube body made of ceramic silicone rubber, which has the elastic characteristics of rubber at room temperature. However, when exposed to fire, the ceramic silicone rubber will be vitrified to form a protective shell, and has good fire resistance. It is often used as a fire protection material for cables and a sealing material for high-temperature equipment. In this embodiment, if an earthquake occurs, lateral displacement occurs between the floor and the exterior wall. Since the fireproof sleeve 111 in a normal temperature environment has the elastic characteristics of rubber material, the upper and lower fireproof sleeves 111 will be dislocated and squeezed, and avoid through elastic deformation to reduce damage to their own structure. If in a fire environment, the fireproof sleeve 111 blocks the air flow on both sides, and when it encounters fire, it will be vitrified to form a hard shell to slow down the spread of the fire. Therefore, the staggered insulation layer 1 can not only reduce damage to its own structure in the event of an earthquake, but also play a role in preventing the spread of fire in the event of a fire disaster.

[0025] Furthermore, the length of each fireproof sleeve 111 is greater than half the distance between the top of the exterior wall and the bottom of the floor slab, to ensure that the fireproof sleeves 111 on opposite sides maintain abutment when plugged into each other. However, to reduce air flow on both sides of the staggered insulation layer 1, at least two groups of insulation units 11 are required along the width of the exterior wall, and each row of insulation units 11 is staggered to fill the gap between the end of the fireproof sleeve 111 and the opposite side through multiple rows of staggered fireproof sleeves 111.

[0026] In some embodiments, in order to improve construction efficiency, each fire sleeve 111 can be detachably connected to the same strip-shaped fixed base 112, and fixed to the top of the wall or the bottom of the floor through the fixed base 112, so as to reduce the time consumption of independently fixing each fire sleeve 111, and connected through the fixed base 112 to unify and standardize the intervals between adjacent fire sleeves 111, thereby improving efficiency and reducing the generation of gaps when the insulation units 11 on both sides are plugged into each other.

[0027] In some embodiments, the length of the fire sleeve 111 can be equal to the gap between the top of the outer wall and the bottom of the floor slab, so as to minimize the air flow on both sides of the fire sleeve 111. Due to the limitation of its own material, even in the event of an earthquake, it can reduce the damage to its own structure through end wear and extrusion deformation, so as to ensure that in the event of a fire, the fire barrier formed between it and the adjacent fire sleeves 111 can play a role in fire prevention and heat insulation.

[0028] like Figure 2 As shown, in some embodiments, the insulation unit 11 also includes a fireproof coil 113. The fireproof coil 113 is made of a flexible material, which can be a glass fiber cloth coated with silicone rubber or a basalt limiting cloth. Both have the function of fireproofing and heat insulation, and are resistant to high temperatures of more than 1000 degrees Celsius. The fireproof coil 113 is rolled into a column, one end of which is fixed between adjacent fireproof sleeves 111, and the other end extends toward the inside of the fireproof sleeve 111 on the opposite side, and the height of the fireproof coil 113 is slightly larger than the gap between the top of the fireproof sleeve 111 on the opposite side and the top of the opposite exterior wall or the bottom of the floor slab, so that the fireproof coil 113 can be inserted into the space between the fireproof sleeves 111 on the opposite side through its own flexible deformation. On the one hand, the fireproof coil 113 itself has fireproof and heat-insulating functions. On the other hand, it is inserted into the fireproof sleeve 111 on the opposite side, which makes up for the gap generated by the staggered insulation layer 1 itself. Moreover, the insertion of the fireproof coil 113 also limits the swing of the fireproof sleeve 111 on the opposite side, thereby limiting the fireproof sleeve 111. When an earthquake occurs, lateral displacement occurs between the outer wall and the floor slab, and the end of the fireproof coil 113 will be separated from the socket of the opposite fireproof sleeve 111, thereby not causing damage to the structure of the fireproof sleeve 111. Moreover, even after the fireproof sleeve 111 returns to its original position, the fireproof coil 113 itself is a cloth coil. Although it is soft, it has a certain supporting force when it is rolled into a column, and can also fill the gap caused by the length limit of the opposite fireproof sleeve 111 to the maximum extent. Moreover, the fireproof coil 113 is separated from the socket of the fireproof sleeve 111, and it is in a rolled state. After being freed from the restraint, it will slowly deform into a loose fan-shaped state, thereby filling the gap between adjacent fireproof sleeves 111, and while preventing fire and insulating, it also greatly reduces air flow.

[0029] Figure 3 The longitudinal section diagram of the staggered insulation layer 1 in the connection node structure of the seismic isolation layer outer wall and the first floor slab in an embodiment of the present invention is shown. Figure 3As shown, elastic limiting layers 114 are also provided on both sides of the staggered insulation layer 1. The elastic limiting layer 114 is a foam material formed by spraying, which can be a foam material of polystyrene beads. While having fireproof and heat-insulating functions, it forms an insulation layer with a thickness of 5-10 cm. It not only fills the gaps generated by the structure of the staggered insulation layer 1 itself; it also has a limiting function. When a small earthquake occurs, when the outer wall and the floor produce a lateral displacement between 0-3 cm, the elastic limiting layer 114 can completely adhere to the two sides of the staggered insulation layer 1 through its own elastic deformation, absorbing vibrations while also limiting the vibration transmission of the fireproof sleeve 111, which causes the fireproof coil 113 and the fireproof sleeve 111 to separate from each other. As the earthquake level increases, the elastic deformation of the elastic limiting layer 114 itself cannot guarantee the integrity of its own structure, causing the elastic limiting layer 114 to break away from the restraint on the staggered insulation layer 1. At this time, the staggered insulation layer 1 can perform normal staggered avoidance through its own structural characteristics.

[0030] Figure 4 The schematic diagram of the structure of the flexible thermal insulation layer 2 in the connection node structure of the seismic isolation layer outer wall and the first floor slab in an embodiment of the present invention is shown. Figure 4 As shown, the flexible insulation layer 2 includes a fireproof cloth 21, which is laid along the length of the exterior wall. One edge is fixed to the bottom of the floor slab and the other side is fixed to the top of the exterior wall. The middle area of ​​the fireproof cloth 21 is left with a surplus of cloth to ensure that the fireproof cloth 21 can be fully stretched when the exterior wall and the floor slab intersect with each other, ensuring the integrity of the fireproof cloth 21 itself. The fireproof cloth 21 can be a glass fiber cloth coated with silicone rubber or a basalt spacer cloth. Both have fireproof and heat-insulating functions and are resistant to high temperatures of over 1000 degrees Celsius.

[0031] In some embodiments, the fireproof cloth 21 is arranged in a wavy structure, so that the arrangement length of the fireproof cloth 21 can be increased within a unit area, thereby increasing the regional fireproofing and heat-insulating effect.

[0032] Furthermore, a fireproof column 22 is provided in the crest and trough area of ​​each wave of the fireproof cloth 21. The fireproof column 22 is a tubular structure, which is vertically arranged in the gap between the top of the outer wall and the top plate, and its lower end is fixed to the top area of ​​the outer wall, leaving a gap with the bottom edge of the fireproof cloth 21, and its upper end leaves a gap with the bottom area of ​​the floor slab. The fireproof column 22 itself is made of fireproof material and can be made of a tube made of ceramic silicone rubber. At room temperature, it has the elastic characteristics of rubber. However, when exposed to fire, the ceramic silicone rubber will be porcelainized to form a protective shell and has good fire resistance. On the one hand, the fireproof column 22 is located in each crest and trough area of ​​the fireproof cloth 21. Although there is a gap between it and the fireproof cloth 21, it plays a role in limiting and guiding the overall drooping fireproof cloth 21, making the wave-shaped distribution of the fireproof cloth 21 more balanced, and also plays a role in auxiliary support for the stacked fireproof cloth 21. On the other hand, when an earthquake occurs, lateral displacement occurs between the outer wall and the floor slab. Under normal temperature conditions, the fireproof cloth 21 is made of rubber elastic material. The shaking fireproof cloth 21 is hindered by the fireproof column 22, which reduces the mutual docking between the fireproof cloths 21, thereby ensuring the uniformity of the distribution of the fireproof cloth 21 after the earthquake, and avoiding structural damage to the fireproof cloth 21 caused by scratches between the fireproof cloths 21.

[0033] Furthermore, the fireproof sheet 21 is filled with fireproof rock wool powder. With a melting point exceeding 1000°C, this powder maintains structural stability even at high temperatures, effectively slowing the spread of fire. After an earthquake, structural shaking can cause the powder to splash through the top opening into the surrounding environment. Some of the powder adheres to the fireproof sheet 21, while some disperses throughout the surrounding area, preventing fires caused by the earthquake and slowing the spread of fire in that area.

[0034] Figure 5 FIG2 shows a schematic structural diagram of a fireproof column 22 in a connection node structure of an isolation layer outer wall and a first floor slab according to an embodiment of the present invention. Figure 5 As shown, a plurality of leakage holes 221 are provided on the surrounding side of the fire column 22, and the leakage holes 221 are located in the bottom area of ​​the fire column 22 near the fire column 22, and are evenly opened around the horizontal plane. On the one hand, when an earthquake occurs, due to the shaking of the fire column 22, the opening of the leakage holes 221 will increase the splashing area of ​​the fireproof rock wool powder, which is conducive to the fireproof rock wool powder filling the connection gaps in the surrounding environment, thereby hindering the flow of air. Moreover, when an earthquake occurs, due to the opening of the leakage holes 221, the longitudinal vibration will increase the risk of damage and breakage of the fire column 22 in the area of ​​the leakage holes 221, further increasing the capacity of the fireproof rock wool powder to leak, and increasing the range of dispersion of the fireproof rock wool powder. As the earthquake level increases, it is inevitable that structural damage will be caused to the flexible thermal insulation layer 2, but at the same time, there will be measures to reduce the risk of fire spread caused by earthquakes.

[0035] In this specification, the terms "connect," "install," and "fix" should be understood broadly. For example, "connect" can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a direct connection or an indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0036] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A connection node structure between the outer wall of a seismic isolation layer and the first floor slab, located between the top of the outer wall and the bottom of the floor slab, comprising: A staggered heat-insulating layer (1) arranged along the length direction of the exterior wall and a flexible heat-insulating layer (2) located on both sides of the staggered heat-insulating layer (1); The staggered thermal insulation layer (1) comprises A plurality of fireproof sleeves (111) are provided and spaced apart along the length direction of the outer wall, one end of which is fixed to the top surface of the outer wall or the bottom surface of the floor slab, and the other end of which extends toward the outer wall or the floor slab on the opposite side; the fireproof sleeves (111) are located in the gap between two adjacent fireproof sleeves (111) on the opposite side and abut against each other; The length of each fireproof sleeve (111) is greater than half of the gap between the top of the exterior wall and the bottom of the floor.

2. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 1 is characterized in that: The flexible heat-insulating layer (2) comprises The fireproof cloth (21) is arranged along the length direction of the outer wall, and one end of the fireproof cloth is fixed to the bottom of the floor slab, and the other end of the fireproof cloth extends toward the top of the outer wall and is fixed to the top of the outer wall. A staggered margin is left in the middle area of ​​the fireproof cloth (21).

3. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 2 is characterized in that: The fireproof cloth (21) is distributed in a wave shape along the length direction of the top of the outer wall.

4. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 3 is characterized in that: The fireproof cloth (21) is provided with a fireproof column (22) in each crest and trough of the wave shape. One end of the fireproof column (22) is fixed to the top surface of the exterior wall, and the other end thereof extends toward the floor.

5. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 4 is characterized in that: The fireproof column (22) is a tube body filled with fireproof rock wool powder.

6. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 5 is characterized in that: The fireproof column (22) is provided with a plurality of leakage holes (221) on the circumference thereof and communicated with the internal cavity.

7. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 6 is characterized in that: A gap is left between the fixing point of the fireproof column (22) and the top of the outer wall and the fixing area of ​​the fireproof cloth (21).

8. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 1 is characterized in that: A fireproof coil (113) is provided between adjacent fireproof sleeves (111), one end of the fireproof coil (113) is fixed to the top of the exterior wall or the bottom of the floor, and the other end of the fireproof coil (113) is sleeved inside the fireproof sleeve (111).

9. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 8 is characterized in that: Elastic limiting layers (114) are sprayed on both sides of the staggered heat insulation layer (1). The elastic limiting layer (114) is a foaming material of expandable polystyrene beads.

10. The connection node structure between the outer wall of the seismic isolation layer and the first floor slab according to claim 5 is characterized in that: The fireproof column (22) and the fireproof sleeve (111) are both tubes made of ceramic silicone rubber.

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