Novel civil air defense project refuge room structure

Abstract

The utility model discloses a novel civil air defense construction refuge room structure which comprises a foundation structure, wall body structures arranged on the foundation structure and top plate structures arranged on the wall body structures, and the wall body structures and the top plate structures are sequentially arranged layer by layer. The foundation structure comprises a bearing platform, a plurality of pile foundations arranged below the bearing platform and rubber vibration isolation supports located between the bearing platform and the pile foundations, and each pile foundation comprises a concrete column located in the center, a steel pipe arranged on the outer layer of the concrete column in a sleeving mode and FRP fibers arranged on the outer layer of the steel pipe in a sleeving mode. The novel civil air defense project refuge room structure can well resist vibration impact caused by explosion load or impact of earthquake load; grooves and reinforcing steel bars are arranged between the foundation structure and the wall body structure for connection, so that the integrity is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil air defense engineering, and specifically relates to a novel refuge room structure for civil air defense engineering. Background Art

[0002] Civil defense, also known as civil defense, is the government's mobilization and organization of the masses to take anti-air raid, disaster relief measures, implement rescue operations, and prevent and reduce disaster damage. Civil defense projects refer to protective buildings built to ensure the safety of personnel in wartime, concealment of materials, medical rescue, etc.

[0003] The refuge room is a kind of civil air defense project, which consists of outer wall, buffer wall, inner wall, protective partition wall and other parts. The existing refuge room has a single structure, insufficient strength, insufficient integrity and insufficient safety performance. Because the civil air defense project requires extremely high protection performance, the existing wall structure layout and wall strength requirements cannot meet its requirements, resulting in its inability to resist impact force, causing structural damage and casualties. Utility Model Content

[0004] The purpose of the utility model is to provide a novel structure of a refuge room for civil air defense projects to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of civil air defense shelter structure, comprising a foundation structure, a wall structure arranged on the foundation structure and a top plate structure arranged on the wall structure, wherein the wall structure and the top plate structure are arranged layer by layer in sequence.

[0006] Preferably, the foundation structure includes a pedestal, a plurality of pile foundations arranged below the pedestal, and a rubber vibration isolation bearing located between the pedestal and the pile foundations, wherein the pile foundation includes a concrete column located in the center, a steel pipe sleeved on the outer layer of the concrete column, and FRP fibers sleeved on the outer layer of the steel pipe.

[0007] Preferably, a groove is provided in the middle of the surface of the pedestal, the bottom of the wall structure is filled in the groove of the pedestal, and the bottom of the wall structure is provided with reinforcing steel bars perpendicular to the wall arrangement direction, the reinforcing steel bars run through the wall structure and the foundation structure, transverse steel bars are provided in the foundation structure along the wall structure arrangement direction, and the reinforcing steel bars are welded to the transverse steel bars.

[0008] Preferably, the wall structure includes a first explosion-proof layer at the outermost layer, a supporting layer behind the first explosion-proof layer, a first explosion-proof bearing layer behind the supporting layer, and a first inner wall behind the first explosion-proof bearing layer.

[0009] Preferably, the corners of the wall structure are composed of a lower groove wall and an upper groove wall overlapped with each other, and through-type steel bars are arranged at the corners. The steel bars pass through the wall structure through the top plate structure and are welded to the foundation structure.

[0010] Preferably, the first explosion-facing layer adopts 800kg / m 3 , 1000kg / m 3 , 1200kg / m 3 The lightweight high-strength concrete is arranged with a multi-density gradient. The supporting layer adopts steel fiber exposed aggregate concrete. Connecting steel bars, upper U-shaped steels, lower U-shaped steels and structural steel bars are arranged between the first blast-facing layer and the supporting layer, and between the supporting layer and the first blast-proof bearing layer.

[0011] Preferably, the connecting steel bars run through the entire wall structure and are welded to the outermost and innermost structural steel bars, and the upper U-shaped steel and the lower U-shaped steel are welded and fixed to the structural steel bars of the inner layer of the first blast-proof layer and the structural steel bars of the outer layer of the first inner wall.

[0012] Preferably, the roof structure includes a second explosion-proof layer located on the outer layer, a second explosion-proof bearing layer located behind the second explosion-proof layer, and a second inner wall located behind the second explosion-proof bearing layer, and steel plates are provided between the second explosion-proof layer, the second explosion-proof bearing layer and the second inner wall.

[0013] Preferably, the second explosion-facing layer adopts 1000kg / m 3 , 1200kg / m 3 , 1400kg / m 3 The first explosion-proof bearing layer and the second explosion-proof bearing layer are both made of steel fiber ultra-high performance concrete supported by steel wire mesh.

[0014] Preferably, a first slot and a second slot are provided on the side of the wall structure, the second explosion-proof layer of the top plate structure is placed on the wall structure, the second explosion-proof bearing layer is embedded in the first slot, and the second inner wall is embedded in the second slot.

[0015] The technical effects and advantages of the utility model are as follows: compared with the existing shelters, the new type of civil air defense shelter structure adopts FRP fiber-wrapped steel tube concrete piles in the foundation structure, and rubber vibration isolation bearings are arranged between the piles and the cap, which can well resist the vibration impact caused by the explosion load or the impact of the earthquake load; grooves and reinforcing steel bars are arranged between the foundation structure and the wall structure for connection, so that the integrity is better; the wall structure adopts a 4-layer composite structure, the outermost layer is the explosion-proof layer, and the 800kg / m 3 , 1000kg / m 3 , 1200kg / m 3The multi-density gradient setting of lightweight high-strength concrete, the middle is the support layer, using exposed aggregate steel fiber concrete, after the support layer is the explosion-proof bearing layer, using steel fiber ultra-high performance concrete wrapped with wire mesh, the innermost layer is the inner wall concrete, the layers are connected by connecting steel bars welded to the structural steel bars and U-shaped steel bars set at 1 / 3-1 / 4 from the top and 1 / 3-1 / 4 from the bottom. At the corners, the two connected walls are reinforced and connected by grooves and vertical connecting steel bars welded at the corners through the wall. The top plate structure adopts a three-layer composite structure, the outermost layer is the explosion-proof layer, using 1000kg / m 3 , 1200kg / m 3 , 1400kg / m 3 The lightweight high-strength concrete with a multi-density gradient setting is arranged on the wall structure, the middle layer is the explosion-proof bearing layer, which is arranged under the top plate structure and in the groove of the wall structure, the innermost layer is the inner wall, which is arranged under the explosion-proof bearing layer and in the groove of the wall structure, a layer of steel plate is arranged in the explosion-facing layer and the explosion-proof bearing layer, and a layer of steel plate is arranged between the explosion-proof bearing layer and the groove of the inner wall, so that the overall performance and explosion-proof performance of the shelter room wall structure can be greatly improved. While improving the structural safety performance, the wall thickness and mass can be further reduced, thereby increasing the space utilization rate of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main view of the foundation structure of the utility model;

[0017] Figure 2 It is a top view schematic diagram of the pile foundation of the utility model;

[0018] Figure 3 It is a schematic diagram of the connection between the wall structure and the foundation structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the wall structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the steel mesh structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the corner connection of the wall structure of the utility model;

[0022] Figure 7 It is a schematic diagram of the main view of the connection between the wall structure and the top plate structure of the utility model;

[0023] Figure 8 It is a schematic diagram of the top plate structure of the utility model.

[0024] In the figure: 100, foundation structure; 110, pedestal; 120, rubber vibration isolation bearing; 130, pile foundation; 1301, concrete column; 1302, steel pipe; 1303, FRP fiber; 140, reinforcing steel bar; 150, transverse steel bar; 200, wall structure; 210, first explosion-proof layer; 220, supporting layer; 230, first explosion-proof bearing layer; 240, first inner wall; 2001, first groove; 2002, second groove; 2003, upper groove wall; 2004, lower groove wall; 250, structural steel bar; 260, connecting steel bar; 270, upper U-shaped steel; 280, lower U-shaped steel; 300, top plate structure; 310, second explosion-proof layer; 320, steel plate; 330, second explosion-proof bearing layer; 340, second inner wall. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Refer to Figure 1-2 A novel structure of a shelter room for civil air defense engineering shown in the figure comprises a foundation structure 100, a wall structure 200 arranged on the foundation structure 100 and a roof structure 300 arranged on the wall structure 200, wherein the wall structure 200 and the roof structure 300 are arranged layer by layer in sequence. The foundation structure 100 comprises a cap 110, a plurality of pile foundations 130 arranged below the cap 110 and a rubber vibration isolation support 120 located between the cap 110 and the pile foundation 130, wherein the pile foundation 130 comprises a concrete column 1301 located in the center, a steel pipe 1302 sleeved on the outer layer of the concrete column 1301 and an FRP fiber 1303 sleeved on the outer layer of the steel pipe 1302, and the cooperation of the FRP fiber 1303 and the rubber vibration isolation support 120 can well resist the vibration impact caused by the explosion load or the impact of the earthquake load, thereby increasing the stability of the shelter room structure.

[0027] Reference Figure 3A groove is provided in the middle of the surface of the pedestal 110, and the bottom of the wall structure 200 is filled in the groove of the pedestal 110, and a reinforcing steel bar 140 perpendicular to the wall arrangement direction is provided at the bottom of the wall structure 200, and the reinforcing steel bar 140 runs through the wall structure 200 and the foundation structure 100, and a transverse steel bar 150 is provided in the foundation structure 100 along the arrangement direction of the wall structure 200, and a plurality of transverse steel bars 150 are provided, and the reinforcing steel bar 140 is welded to the transverse steel bar 150, which can well improve the integrity of the wall structure 200 and the foundation structure 100.

[0028] Reference Figure 4-Figure 5 The wall structure 200 includes a first explosion-proof layer 210 at the outermost layer, a support layer 220 behind the first explosion-proof layer 210, a first explosion-proof bearing layer 230 behind the support layer 220, and a first inner wall 240 behind the first explosion-proof bearing layer 230. The first explosion-proof layer 210 adopts 800kg / m 3 , 1000kg / m 3 , 1200kg / m 3 The wall structure 200 is a lightweight high-strength concrete with a multi-density gradient setting. The support layer 220 adopts steel fiber exposed aggregate concrete. Connecting steel bars 260, upper U-shaped steels 270, lower U-shaped steels 280 and structural steel bars 250 are arranged between the first explosion-proof layer 210 and the support layer 220, and between the support layer 220 and the first explosion-proof bearing layer 230. The connecting steel bars 260 run through the entire wall structure 200 and are welded to the outermost and innermost structural steel bars 250. The upper U-shaped steels 270 and the lower U-shaped steels 280 are welded and fixed to the structural steel bars 250 of the inner layer of the first explosion-proof layer 210 and the structural steel bars 250 of the outer layer of the first inner wall 240. Specifically, each layer of the wall structure 200 is connected by connecting steel bars 260 and U-shaped steels (i.e., upper U-shaped steels 270 and lower U-shaped steels 280). Connecting steel bars 260 are arranged at the top and bottom of each layer of the wall, and each connecting steel bar 260 is connected to the structural steel bar 250 by welding. The U-shaped steel is arranged at 1 / 3-1 / 4 of the distance from the top, and the connecting U-shaped steel is arranged starting from the inner protective layer of the outermost concrete layer of the first explosion-proof layer 210, and penetrates the supporting layer 200, the first explosion-proof bearing layer 230 and the first inner wall 240 inward, and the connection points of the U-shaped steel and each structural steel bar 250 are welded.

[0029] Reference Figure 6 The corners of the wall structure 200 are composed of a lower groove wall 2004 and an upper groove wall 2003 overlapped with each other. The height of the grooves on both sides of the corner connection is 1 / 2 of the wall height, and through-type steel bars are arranged at the corners. The steel bars pass through the wall structure 200 through the top plate structure 300 and are welded to the foundation structure 100 to form reinforcement.

[0030] Reference Figure 7-8 The top plate structure 300 includes a second explosion-proof layer 310 located at the outer layer, a second explosion-proof bearing layer 330 located behind the second explosion-proof layer 310, and a second inner wall 340 located behind the second explosion-proof bearing layer 330. Steel plates 320 are arranged between the second explosion-proof layer 310, the second explosion-proof bearing layer 330 and the second inner wall 340. The second explosion-proof layer 310 is made of 1000kg / m 3 , 1200kg / m 3 , 1400kg / m 3 The first explosion-proof bearing layer 230 and the second explosion-proof bearing layer 330 are both made of steel fiber ultra-high performance concrete supported by a steel mesh, and the steel mesh has 4 layers. The side of the wall structure 200 is provided with a first slot 2001 and a second slot 2002. The second explosion-proof layer 310 of the top plate structure 300 is placed on the wall structure 200. The second explosion-proof bearing layer 330 is embedded in the first slot 2001, and the second inner wall 340 is embedded in the second slot 2002, making the connection tighter and more stable.

[0031] Specifically, refer to Figure 1-Figure 8 According to the specification requirements, the thickness of the wall is calculated according to the following formula:

[0032]

[0033] The defense level coefficient is selected according to 1.0 for the first-level explosion-proof compartment, and the frequency reduction coefficient is calculated according to the following formula

[0034]

[0035] The walls have no free edges and are connected by hinges and fixed supports, n = 1; Take 1, the frequency coefficient Ω takes 36.13, K 0 Take 0.0139 and calculate the wall thickness to be 0.51m.

[0036] Furthermore, the thickness of the first explosion-proof layer 210 and the second explosion-proof layer 310 is not less than 0.22m and not more than 0.41m, the thickness of the supporting layer 220 is not less than 0.32m and not more than 0.4m, the thickness of the first explosion-proof bearing layer 230 of the wall structure 200 is 0.5m, the thickness of the second explosion-proof bearing layer 330 of the top plate structure 300 is 0.6m, the first slot 2001 and the second slot 2002 connected to the top plate structure 300 are 0.28m, and the steel plate 320 is placed in the two. The groove between the wall structure 200 and the foundation structure 100 is not more than 1 / 3 of the height of the wall structure 200, and the spacing between the connecting steel bars 260 is 400mm.

[0037] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new type of shelter room structure for civil air defense projects, characterized by: It comprises a foundation structure (100), a wall structure (200) arranged on the foundation structure (100), and a roof structure (300) arranged on the wall structure (200), wherein the wall structure (200) and the roof structure (300) are arranged layer by layer in sequence; The foundation structure (100) comprises a cap (110), a plurality of pile foundations (130) arranged below the cap (110), and a rubber vibration isolation support (120) located between the cap (110) and the pile foundation (130), wherein the pile foundation (130) comprises a concrete column (1301) located at the center, a steel pipe (1302) sleeved on the outer layer of the concrete column (1301), and FRP fibers (1303) sleeved on the outer layer of the steel pipe (1302).

2. According to the novel structure of the civil air defense shelter room of claim 1, it is characterized by: A groove is provided in the middle of the surface of the cap (110), the bottom of the wall structure (200) is filled in the groove of the cap (110), and a reinforcing steel bar (140) perpendicular to the wall arrangement direction is provided at the bottom of the wall structure (200), the reinforcing steel bar (140) runs through the wall structure (200) and the foundation structure (100), and transverse steel bars (150) are provided in the foundation structure (100) along the arrangement direction of the wall structure (200), and the reinforcing steel bars (140) and the transverse steel bars (150) are welded.

3. According to the novel structure of the civil air defense shelter room of claim 1, it is characterized by: The wall structure (200) comprises a first explosion-proof layer (210) at the outermost layer, a supporting layer (220) located behind the first explosion-proof layer (210), a first explosion-proof bearing layer (230) located behind the supporting layer (220), and a first inner wall (240) located behind the first explosion-proof bearing layer (230).

4. According to claim 3, a new type of shelter room structure for civil air defense projects is characterized by: The corners of the wall structure (200) are composed of a lower layer groove wall (2004) and an upper layer groove wall (2003) overlapped with each other, and through-type steel bars are arranged at the corners. The steel bars pass through the wall structure (200) via the top plate structure (300) and are welded to the foundation structure (100).

5. According to claim 4, the novel structure of the refuge room for civil air defense projects is characterized by: The first explosion-facing layer (210) is 800 kg / m 3 , 1000kg / m 3 , 1200kg / m 3 The invention relates to a lightweight high-strength concrete with a multi-density gradient arrangement, wherein the support layer (220) adopts steel fiber exposed aggregate concrete, and connecting steel bars (260), upper U-shaped steel (270), lower U-shaped steel (280) and structural steel bars (250) are arranged between the first explosion-facing layer (210) and the support layer (220), and between the support layer (220) and the first explosion-proof bearing layer (230).

6. According to claim 5, the novel structure of the refuge room for civil air defense projects is characterized by: The connecting steel bars (260) run through the entire wall structure (200) and are welded to the outermost and innermost structural steel bars (250); the upper U-shaped steel (270) and the lower U-shaped steel (280) are welded and fixed to the structural steel bars (250) of the inner layer of the first explosion-proof layer (210) and the structural steel bars (250) of the outer layer of the first inner wall (240).

7. A novel structure of a refuge room for civil air defense projects according to claim 6, characterized in that: The roof structure (300) comprises a second explosion-proof layer (310) located at the outer layer, a second explosion-proof bearing layer (330) located behind the second explosion-proof layer (310), and a second inner wall (340) located behind the second explosion-proof bearing layer (330), wherein steel plates (320) are arranged between the second explosion-proof layer (310), the second explosion-proof bearing layer (330) and the second inner wall (340).

8. The novel structure of the refuge room for civil air defense engineering according to claim 7 is characterized by: The second explosion-proof layer (310) is 1000 kg / m 3 , 1200kg / m 3 , 1400kg / m 3 The first explosion-proof bearing layer (230) and the second explosion-proof bearing layer (330) are both made of steel fiber ultra-high performance concrete supported by steel wire mesh.

9. The novel structure of the refuge room for civil air defense engineering according to claim 8 is characterized by: The side of the wall structure (200) is provided with a first slot (2001) and a second slot (2002); the second explosion-proof layer (310) of the top plate structure (300) is placed on the wall structure (200); the second explosion-proof bearing layer (330) is embedded in the first slot (2001); and the second inner wall (340) is embedded in the second slot (2002).

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