Underground garage civil air defense area raft waterproof structure of urban large complex and construction method

Abstract

The application belongs to the technical field of underground garage civil air defense area raft slab, and particularly relates to a waterproof structure and construction method of an underground garage civil air defense area raft slab of a large urban complex, which comprises a raft slab body, wherein the raft slab body comprises a soil base layer, a waterproof layer, a waterproof protection layer, a steel mesh layer and a concrete layer, the upper surface of the raft slab body is fixedly connected with a civil air defense frame wall, and the front of the civil air defense frame wall is provided with a civil air defense door. The waterproof sealing plate, the water stop ring and the non-solidified rubber asphalt are arranged, the bottom end of the supporting steel pipe can be sealed by the waterproof sealing plate, the water seepage path and the immersion resistance of the supporting steel pipe are increased by the water stop ring, the water seepage resistance of the supporting steel pipe is increased, the waterproof performance of the supporting steel pipe is increased, the sealing property of the supporting steel pipe is increased by the non-solidified rubber asphalt, the water seepage liquid can be effectively prevented from entering the supporting steel pipe, the corrosion of the supporting steel pipe is effectively solved, and the safe and stable use of the civil air defense door is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of raft board of civil air defense area of underground garage, in particular to a raft board waterproof construction method of civil air defense area of underground garage of urban large complex. BACKGROUND

[0002] The raft board refers to a concrete board in foundation engineering, and the ground is below the board, and columns, walls and the like are on the upper surface of the board, and it is called raft board because it is like a raft floating on the earth, and the basement of high-rise building is usually used as underground garage, and is used for civil air defense in wartime, and the bottom surface of underground garage needs to be paved with raft board, and the raft board foundation can not only fully exert the bearing capacity of the foundation, but also adjust uneven settlement, and can meet the space use requirements of the garage, so it becomes an ideal foundation type, and the civil air defense door is the door of the entrance of the people's air defense engineering, and because the civil air defense door, especially the civil air defense door on the garage driveway, is relatively thick and heavy, a supporting steel pipe needs to be used for supporting and reinforcing during installation.

[0003] The current supporting steel pipe of the civil air defense door is generally directly integrally poured with the raft board and the civil air defense wall to realize pre-burying of the supporting steel pipe, but the raft board is prone to seepage after pouring, and the seepage liquid entering the inside of the supporting steel pipe is prone to cause corrosion and rust of the supporting steel pipe, resulting in damage and rigidity reduction of the supporting steel pipe, which is not convenient for stable and safe support of the civil air defense door, and reduces the civil air defense protection effect of the civil air defense area, and therefore the present application provides a raft board waterproof construction method of civil air defense area of underground garage of urban large complex. SUMMARY

[0004] In view of the defects of the prior art, the present application provides a raft board waterproof construction method of civil air defense area of underground garage of urban large complex, which solves the problems of seepage of the raft board after pouring, seepage liquid entering the inside of the supporting steel pipe, corrosion and rust of the supporting steel pipe, damage and rigidity reduction of the supporting steel pipe, inconvenience for stable and safe support of the civil air defense door, and reduction of the civil air defense protection effect of the civil air defense area.

[0005] To achieve the above object, the present application provides the following technical scheme: a raft waterproof construction method for civil air defense area of underground garage of urban large complex, which comprises a raft body, the raft body comprises a soil base layer, a waterproof layer, a waterproof protection layer, a steel mesh layer and a concrete layer, the upper surface of the raft body is fixedly connected with a civil air defense frame wall, the front of the civil air defense frame wall is provided with a civil air defense door, the right side surface of the civil air defense door is fixedly connected with four first support seats through four groups of first mounting screws, the upper surface of each first support seat is fixedly embedded with a first bearing, the inside of the raft body is provided with a waterproof sealing plate, the bottom surface of the waterproof sealing plate is fixedly connected with the upper surface of the waterproof protection layer, the upper surface of the waterproof sealing plate is fixedly connected with a support steel pipe, the top end of the support steel pipe penetrates the raft body and two first bearings in sequence and extends above the first support seat, the outer surface of each support steel pipe is fixedly connected with a concrete pile, each concrete pile is integrally poured with the concrete layer, and the inside of the support steel pipe is filled with non-solidified rubber asphalt.

[0006] As a preferred technical scheme of the present application, the bottom surface of the waterproof sealing plate is fixedly connected with two groups of fastening nails, the bottom end of each fastening nail penetrates the waterproof protection layer, the waterproof layer and extends to the inside of the soil base layer in sequence, the outer surface of the support steel pipe is fixedly connected with two water stop rings, and the water stop rings are located in the inside of the raft body.

[0007] As a preferred technical scheme of the present application, the top end of the support steel pipe is clamped with a sealing plug, the bottom end of the sealing plug is sleeved with a sealing washer, and the bottom surface of the sealing washer is in contact with the top end of the support steel pipe.

[0008] As a preferred technical scheme of the present application, the outer surface of the support steel pipe is fixedly connected with two stable plates, and the rear end of each stable plate is fixedly connected with the front surface of the civil air defense frame wall through two groups of second mounting screws.

[0009] As a preferred technical scheme of the present application, the right side surface of the civil air defense door is fixedly connected with two second support seats through four groups of third mounting screws, the upper surface of each second support seat is fixedly embedded with a second bearing, and the inner ring of each second bearing is fixedly connected with the outer surface of the support steel pipe.

[0010] As a preferred technical scheme of the present application, the outer surface of the support steel pipe is sleeved with two support sleeves, the ends of the two support sleeves away from each other are fixedly connected with the side surfaces of the two first support seats close to each other, and the ends of the two support sleeves close to each other are fixedly connected with the side surfaces of the two second support seats away from each other.

[0011] As a preferred technical scheme of the present application, the inner wall of each second support seat is fixedly connected with two connecting plates, and the connecting plates are made of steel plate material.

[0012] As a preferred technical scheme of the present application, the front surface of the civil air defense door is provided with a rotating handle, and the front surface of the civil air defense door is fixedly connected with a pull handle, and the outer surface of the pull handle is fixedly connected with an anti-skid sleeve.

[0013] As a preferred technical scheme of the present application, the upper surface of the raft body is fixedly embedded with two ground insertion grooves, and the front surface of the civil air defense door is fixedly connected with an insertion cylinder, and the inside of each insertion cylinder is sleeved with a bolt rod, and the bottom end of each bolt rod is located inside the ground insertion groove.

[0014] As a preferred technical scheme of the present application, the raft waterproof construction method for the civil air defense area of the underground garage of the urban large complex:

[0015] Step one, push the soil base flat, lay a waterproof layer and a waterproof protection layer on it, and realize the waterproof laying and protection of the soil foundation.

[0016] Step two, use fastening nails to fix the waterproof sealing plate on the waterproof protection layer, and weld the supporting steel pipe to the waterproof sealing plate by welding, and at the same time, two water stop rings are sleeved on the supporting steel pipe and welded.

[0017] Step three, lay a steel mesh layer on the waterproof protection layer and pour a concrete layer, and the concrete pile is integrally poured with the concrete layer, then the civil air defense frame wall is steel tied, the second mounting screw is simultaneously tied with the steel of the civil air defense frame wall, the stable plate is pre-buried, and then the concrete is poured and formed.

[0018] Step four, use the filling equipment to fill the non-solidified rubber asphalt into the inside of the supporting steel pipe, seal and fill the inside of the supporting steel pipe, complete the installation and waterproof protection of the supporting steel pipe, avoid the erosion of water, and increase the use performance of the supporting steel pipe.

[0019] Step five, two first supporting seats and two second supporting seats are rotatably installed on the upper surface of the supporting steel pipe through two first bearings and two second bearings, and then the civil air defense door is installed through the first mounting screw and the third mounting screw.

[0020] Compared with the prior art, the present application provides a raft waterproof construction method for the civil air defense area of the underground garage of the urban large complex, which has the following advantages:

[0021] 1. The waterproof construction method for the raft slab of the civil large complex underground garage civil air defense area, by setting the waterproof sealing plate, the water stop ring and the non-solidified rubber asphalt, the bottom end of the supporting steel pipe can be sealed by the waterproof sealing plate, the water seepage path and the immersion resistance of the supporting steel pipe are increased by the water stop ring, the water seepage resistance of the supporting steel pipe is increased, the waterproof performance of the supporting steel pipe is increased, the sealing property of the supporting steel pipe is increased by the non-solidified rubber asphalt, the water seepage liquid can be effectively prevented from entering the supporting steel pipe, the corrosion problem of the supporting steel pipe is effectively solved, and the safe and stable use of the civil air defense door is facilitated.

[0022] 2. The waterproof construction method for the raft slab of the civil large complex underground garage civil air defense area, by setting the fastening nails, the stable plates and the second installation screws, the supporting and fixing of the supporting steel pipe can be realized, the pre-buried pouring of the supporting steel pipe is realized, the stability of the supporting steel pipe is increased, and the safe use is facilitated.

[0023] 3. The waterproof construction method for the raft slab of the civil large complex underground garage civil air defense area, by setting the waterproof layer, the waterproof protective layer and the steel mesh layer, the stability of the raft main body as a whole is increased, the waterproof effect of the raft main body is increased, the stable support of the supporting steel pipe is facilitated, and the use safety of the civil air defense door is increased. DETAILED DESCRIPTION

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the raft main body of the present application;

[0025] Figure 2 It is a sectional view of the front view of the raft main body of the present application;

[0026] Figure 3 It is a schematic diagram of the internal structure of the raft main body of the present application;

[0027] Figure 4 It is a sectional view of the front view of the supporting steel pipe of the present application;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the sealing plug of the present application;

[0029] Figure 6 It is an enlarged schematic diagram of the structure at A in the present application. Figure 2

[0030] ​In the figure: 1, raft body; 2, ground insertion groove; 3, civil air defense door; 4, first support seat; 5, concrete pile; 6, third mounting screw; 7, first mounting screw; 8, support steel pipe; 9, switch rotating handle; 10, civil air defense frame wall; 11, sealing plug; 12, pull handle; 13, anti-skid sleeve; 14, insertion cylinder; 15, bolt rod; 16, second support seat; 17, stabilizing plate; 18, support sleeve; 19, connecting plate; 20, fastening nail; 21, soil base layer; 22, waterproof layer; 23, waterproof protective layer; 24, reinforcement mesh layer; 25, concrete layer; 26, non-solidified rubber asphalt; 27, sealing washer; 28, waterproof sealing plate; 29, water stop ring; 30, second mounting screw; 31, first bearing; 32, second bearing. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] EMBODIMENT

[0033] Please refer to Figures 1-6 In the present embodiment: a raft waterproof construction method for civil air defense area of underground garage of large urban complex, including raft body 1, the raft body 1 includes soil base layer 21, waterproof layer 22, waterproof protective layer 23, reinforcement mesh layer 24 and concrete layer 25, the upper surface of the raft body 1 is fixedly connected with civil air defense frame wall 10, the front of the civil air defense frame wall 10 is provided with civil air defense door 3, the right side surface of the civil air defense door 3 is fixedly connected with first support seat 4 through four groups of first mounting screw 7, the upper surface of each first support seat 4 is fixedly embedded with first bearing 31, the inside of the raft body 1 is provided with waterproof sealing plate 28, the bottom surface of the waterproof sealing plate 28 is fixedly connected with the upper surface of waterproof protective layer 23, the upper surface of the waterproof sealing plate 28 is fixedly connected with support steel pipe 8, the top end of the support steel pipe 8 penetrates the raft body 1 and two first bearings 31 in turn and extends above the first support seat 4, the outer surface of each support steel pipe 8 is fixedly connected with concrete pile 5, each concrete pile 5 is integrally poured with concrete layer 25, the inside of the support steel pipe 8 is filled with non-solidified rubber asphalt 26.

[0034] The bottom surface of the waterproof sealing plate 28 is fixedly connected with two groups of fastening nails 20, the bottom end of each fastening nail 20 penetrates the waterproof protective layer 23, the waterproof layer 22 and extends to the inside of the soil base 21 in turn, the outer surface of the support steel pipe 8 is fixedly connected with two water stop rings 29, the water stop ring 29 is located in the inside of the raft body 1, can effectively increase the infiltration resistance of the support steel pipe 8, the water permeation resistance of the support steel pipe 8, the top end of the support steel pipe 8 is clamped with a sealing plug 11, the bottom end of the sealing plug 11 is sleeved with a sealing washer 27, the bottom surface of the sealing washer 27 is in contact with the top end of the support steel pipe 8, can seal the top of the support steel pipe 8, increase the sealing property of the support steel pipe 8 as a whole, the outer surface of the support steel pipe 8 is fixedly connected with two stable plates 17, the rear end of each stable plate 17 is fixedly connected with the front surface of the civil air defense frame wall 10 through two groups of second mounting screws 30, can support and fix the support steel pipe 8, increase the stability of the support steel pipe 8, thereby increase the stability of the civil air defense door 3, the right side of the civil air defense door 3 is fixedly connected with two second support seats 16 through four groups of third mounting screws 6, the upper surface of each second support seat 16 is fixedly embedded with a second bearing 32, the inner ring of each second bearing 32 is fixedly connected with the outer surface of the support steel pipe 8, can support the civil air defense door 3 for the second time, facilitate the stable opening and closing of the civil air defense door 3.

[0035] The outer surface of the support steel pipe 8 is sleeved with two support sleeves 18, the ends of the two support sleeves 18 away from each other are fixedly connected with the sides of the two first support seats 4 close to each other, the ends of the two support sleeves 18 close to each other are fixedly connected with the sides of the two second support seats 16 away from each other, can realize the connection and fixation of the first support seat 4 and the second support seat 16, thereby increase the stability of the civil air defense door 3, the inner wall of each second support seat 16 is fixedly connected with two connecting plates 19, the connecting plate 19 is made of steel plate material, can increase the stability of the second support seat 16, facilitate the stable opening and closing of the civil air defense door 3, the front surface of the civil air defense door 3 is provided with a switch rotary handle 9, the front surface of the civil air defense door 3 is fixedly connected with a pull handle 12, the outer surface of the pull handle 12 is fixedly connected with an anti-skid sleeve 13, can make people more convenient to pull the civil air defense door 3, facilitate the opening and closing operation of the civil air defense door 3, the upper surface of the raft body 1 is fixedly embedded with two ground insertion grooves 2, the front surface of the civil air defense door 3 is fixedly connected with an insertion sleeve 14, the inside of each insertion sleeve 14 is sleeved with a bolt rod 15, the bottom end of each bolt rod 15 is located in the inside of the ground insertion groove 2, can position and fix the civil air defense door 3, increase the protection safety performance of the civil air defense door 3.

[0036] The application is a kind of urban large complex underground garage civil air defense area raft waterproof construction method, step one, the soil base 21 is pushed flat, waterproof layer 22 and waterproof protective layer 23 are laid on it, and the waterproof laying and protection of the soil foundation are realized.

[0037] Step two, use the fastener 20 to fix the waterproof sealing plate 28 on the waterproof protection layer 23, and weld the support steel pipe 8 to the waterproof sealing plate 28, and at the same time, the two water stop rings 29 are sleeved on the support steel pipe 8 and welded.

[0038] Step three, lay the steel mesh layer 24 on the waterproof protection layer 23, and pour the concrete layer 25, and the concrete pile 5 is integrally poured with the concrete layer 25, then the steel bar of the civil air defense frame wall 10 is bound, and the second mounting screw 30 is simultaneously bound with the steel bar of the civil air defense frame wall 10, the stable plate 17 is pre-buried, and then the concrete is poured and formed.

[0039] Step four, use the filling equipment to fill the non-solidified rubber asphalt 26 into the inside of the support steel pipe 8, seal and fill the inside of the support steel pipe 8, complete the installation and waterproof protection of the support steel pipe 8, avoid the erosion of water, and increase the use performance of the support steel pipe 8.

[0040] Step five, the two first support seats 4 and the two second support seats 16 are respectively rotatably installed on the upper surface of the support steel pipe 8 through the two first bearings 31 and the two second bearings 32, and then the civil air defense door 3 is installed through the first mounting screw 7 and the third mounting screw 6.

[0041] The working principle and use process of the application are as follows: first, use the excavator to push the soil base layer 21 flat, and lay the waterproof layer 22 and the waterproof protection layer 23 on the soil base layer 21 to realize the waterproof laying and protection of the soil foundation, then use the fastener 20 to fix the waterproof sealing plate 28 on the waterproof protection layer 23, and weld the support steel pipe 8 to the waterproof sealing plate 28, and at the same time, the two water stop rings 29 are sleeved on the support steel pipe 8 and welded, then the steel mesh layer 24 is laid on the waterproof protection layer 23, and the concrete layer 25 is poured, and the concrete pile 5 is integrally poured with the concrete layer 25, then the steel bar of the civil air defense frame wall 10 is bound, and the second mounting screw 30 is simultaneously bound with the steel bar of the civil air defense frame wall 10, then the concrete is poured and formed, the pre-buried stable plate 17 is completed, after the installation of the support steel pipe 8 is completed, the non-solidified rubber asphalt 26 is filled into the inside of the support steel pipe 8 by using the filling equipment, the inside of the support steel pipe 8 is sealed and filled, the waterproof protection of the support steel pipe 8 is realized, the erosion of water is avoided, and the use performance of the support steel pipe 8 is increased, then the two first support seats 4 and the two second support seats 16 are respectively rotatably installed on the upper surface of the support steel pipe 8 through the two first bearings 31 and the two second bearings 32, and the civil air defense door 3 is installed through the first mounting screw 7 and the third mounting screw 6, the installation of the civil air defense door 3 and the construction of the civil air defense raft are realized.

[0042] In the description of the application, the terms "comprising" or "including" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further restrictions, the element defined by the statement "comprising a reference structure" does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element. It should be noted that the relationship terms such as "first", "second", etc. used herein are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.

[0043] Finally, it should be noted that the above description is only for the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A raft-slab waterproof structure for the civil defense zone of an underground parking garage in a large urban complex, comprising a raft slab body (1), characterized in that: The raft body (1) includes a soil base layer (21), a waterproof layer (22), a waterproof protective layer (23), a steel mesh layer (24), and a concrete layer (25). A civil defense frame wall (10) is fixedly connected to the upper surface of the raft body (1). A civil defense door (3) is provided in front of the civil defense frame wall (10). A first support seat (4) is fixedly connected to the right side of the civil defense door (3) by four sets of first mounting screws (7). A first bearing (31) is fixedly embedded on the upper surface of each first support seat (4). A waterproof sealing plate is provided inside the raft body (1). (28) The bottom surface of the waterproof sealing plate (28) is fixedly connected to the upper surface of the waterproof protective layer (23). The upper surface of the waterproof sealing plate (28) is fixedly connected to a supporting steel pipe (8). The top end of the supporting steel pipe (8) passes through the raft body (1) and two first bearings (31) in sequence and extends to the top of the first support seat (4). The outer surface of each supporting steel pipe (8) is fixedly connected to a concrete pile (5). Each concrete pile (5) is integrally cast with the concrete layer (25). The interior of the supporting steel pipe (8) is filled with non-curing rubber asphalt (26). The bottom surface of the waterproof sealing plate (28) is fixedly connected with two sets of fastening nails (20). The bottom end of each fastening nail (20) passes through the waterproof protective layer (23) and the waterproof layer (22) in sequence and extends into the interior of the soil base layer (21). The outer surface of the supporting steel pipe (8) is fixedly connected with two water-stop rings (29). The water-stop rings (29) are located inside the raft body (1). The top end of the supporting steel pipe (8) is fitted with a sealing plug (11), and the bottom end of the sealing plug (11) is fitted with a sealing gasket (27). The bottom surface of the sealing gasket (27) is in contact with the top end of the supporting steel pipe (8).

2. The waterproof raft slab structure for the civil defense zone of an underground parking garage in a large urban complex according to claim 1, characterized in that: Two stabilizing plates (17) are fixedly connected to the outer surface of the supporting steel pipe (8). The rear end of each stabilizing plate (17) is fixedly connected to the front of the civil defense frame wall (10) by two sets of second mounting screws (30).

3. The raft-type waterproof structure for the civil defense zone of an underground parking garage in a large urban complex according to claim 2, characterized in that: The right side of the air defense door (3) is fixedly connected to two second support seats (16) by four sets of third mounting screws (6). Each second support seat (16) has a second bearing (32) fixedly embedded on its upper surface. The inner ring of each second bearing (32) is fixedly connected to the outer surface of the support steel pipe (8).

4. The waterproof raft slab structure for the civil defense zone of an underground parking garage in a large urban complex according to claim 3, characterized in that: Two support sleeves (18) are fitted on the outer surface of the support steel pipe (8). The ends of the two support sleeves (18) that are far apart from each other are fixedly connected to the sides of the two first support seats (4) that are close to each other. The ends of the two support sleeves (18) that are close to each other are fixedly connected to the sides of the two second support seats (16) that are far apart from each other.

5. The raft-slab waterproof structure for the civil defense zone of an underground parking garage in a large urban complex according to claim 4, characterized in that: Each of the second support bases (16) has two connecting plates (19) fixedly connected to its inner wall. The connecting plates (19) are made of steel plate.

6. The raft-slab waterproof structure for the civil defense zone of an underground parking garage in a large urban complex according to claim 1, characterized in that: The front of the air defense door (3) is equipped with a switch rotary handle (9), and a pull handle (12) is fixedly connected to the front of the air defense door (3). An anti-slip sleeve (13) is fixedly connected to the outer surface of the pull handle (12).

7. The raft-slab waterproof structure for the civil defense zone of an underground parking garage in a large urban complex according to claim 1, characterized in that: Two insertion grooves (2) are fixedly embedded on the upper surface of the raft body (1), and a plug cylinder (14) is fixedly connected to the front of the air defense door (3). Each plug cylinder (14) is fitted with a pin rod (15), and the bottom end of each pin rod (15) is located inside the insertion groove (2).

8. A construction method for a raft-slab waterproof structure for the civil defense zone of an underground parking garage in a large urban complex, as described in claim 5, is characterized in that... The construction steps are as follows: Step 1: Level the soil base (21), and lay a waterproof layer (22) and a waterproof protective layer (23) on it to achieve waterproof laying and protection of the soil foundation; Step 2: Use fastening nails (20) to fix the waterproof sealing plate (28) onto the waterproof protective layer (23), and weld the supporting steel pipe (8) onto the waterproof sealing plate (28) by welding. At the same time, put two water-stop rings (29) onto the supporting steel pipe (8) and weld them. Step 3: Lay a steel mesh layer (24) on the waterproof protective layer (23) and pour a concrete layer (25). At the same time, pour the concrete pile (5) and the concrete layer (25) together. Then, tie the steel bars of the civil defense frame wall (10) and tie the second mounting screw (30) to the steel bars of the civil defense frame wall (10) simultaneously. Embed the stabilizing plate (17) and then pour the concrete to form the shape. Step 4: Use filling equipment to inject non-curing rubber asphalt (26) into the interior of the supporting steel pipe (8) to seal and fill the interior of the supporting steel pipe (8), complete the installation and waterproof protection of the supporting steel pipe (8), avoid water corrosion, and increase the performance of the supporting steel pipe (8). Step 5: The two first support seats (4) and the two second support seats (16) are rotatably installed on the support steel pipe (8) through the two first bearings (31) and the two second bearings (32) respectively. Then, the air defense door (3) is installed through the first mounting screw (7) and the third mounting screw (6).

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