Open cut tunnel structure

Abstract

The utility model relates to the technical field of tunnels, and discloses an open cut method tunnel structure which comprises a tunnel body, tunnels and the ground, the tunnels are symmetrically formed in the surface of the tunnel body, and the tunnel body is pre-buried in a foundation pit excavated under the ground. Fireproof doors are rotationally connected into a plurality of door openings, located between the two tunnels, of the tunnel body at equal intervals, escape well holes are formed in the positions, located at the fireproof doors, of the interior of the tunnel body, and an escape ladder is fixedly connected to the inner wall face of each escape well hole. An accommodating cavity is formed in the position, located above the escape well hole, in the tunnel body, and the accommodating cavity communicates with the escape well hole, so that escape personnel can be temporarily transferred into the accommodating cavity when an accident occurs, personnel are prevented from being accumulated in the tunnel, potential traffic hazards are prevented from being caused, and the safety of the escape personnel is improved. And meanwhile, rescue workers can conveniently carry out field operation.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnels, in particular to an open-cut tunnel structure. Background Art

[0002] Cut and cover method refers to an underground construction method that first digs the ground, builds lining in the open air, and then covers and backfills. It is mostly used for shallow buried tunnels. Cut and cover method is the most basic and most commonly used construction method in soft soil underground engineering construction. With the development of urban construction, long-distance road tunnels constructed by cut and cover method have emerged in large and medium-sized cities in a "blowout" manner;

[0003] Existing open-cut tunnels are generally only equipped with tunnels for vehicles to travel. In daily use, once a large-scale traffic accident occurs, the accident personnel will generally gather in the tunnel at a distance from the accident point to wait for rescue. Due to the size limitation of the tunnel, the accident personnel will gather together. Once the subsequent vehicles entering the tunnel are negligent in observing, it will cause a secondary accident, causing hidden dangers of traffic accidents. In addition, the accident personnel will gather together at the scene, which is easy to affect the rescue work. Utility Model Content

[0004] The utility model provides an open-cut tunnel structure, which has the advantage that when an accident occurs, the escaped persons can be temporarily transferred to a receiving chamber, so as to avoid the accumulation of persons in the tunnel and prevent the occurrence of traffic hazards, while facilitating the rescue personnel to carry out on-site operations. It solves the problem that the existing open-cut tunnel is generally only provided with a tunnel for passing vehicles. In daily use, once a large-scale traffic accident occurs, the accident persons generally gather at a position far away from the accident point in the tunnel to wait for rescue. Due to the size limitation of the tunnel, the accident persons gather together. Once the subsequent vehicles entering the tunnel neglect to observe, a secondary accident will occur, causing traffic accident hazards. In addition, the accident persons gather together at the scene, which is easy to affect the rescue work.

[0005] The utility model provides the following technical solutions: open-cut tunnel structure,

[0006] As an optional solution of the open-cut tunnel structure of the utility model, wherein: the open-cut tunnel structure comprises a tunnel body, a tunnel hole and the ground, the surface of the tunnel body is symmetrically provided with tunnel holes, and the tunnel body is pre-buried in a foundation pit excavated below the ground;

[0007] The tunnel body is located between two tunnels and has multiple door openings symmetrically and equidistantly, all of which are rotatably connected to fire doors. The tunnel body is provided with escape shafts at the positions of the fire doors, and the inner wall of each escape shaft is fixedly connected to an escape ladder. The tunnel body is provided with a receiving chamber at a position above the escape shaft, and the receiving chamber is communicated with the escape shaft.

[0008] As an optional solution for the open-cut tunnel structure described in the utility model, vertical waterproof plates are fixedly connected to the two side surfaces of the tunnel body, supporting plates are fixedly connected between the vertical waterproof plates and the foundation pit opened inside the ground, and horizontal waterproof plates are fixedly connected between the upper surface of the tunnel body and the ground.

[0009] As an optional scheme for the open-cut tunnel structure described in the utility model, a drainage ditch is opened inside the tunnel body at a position below each of the tunnels, the inner wall of the tunnel is symmetrically and fixedly lined with a walking path, drainage outlets are opened at equal intervals inside the walking path, and the drainage outlets are connected to the drainage ditch.

[0010] As an optional solution for the open-cut tunnel structure of the utility model, a rectangular accommodating chamber is symmetrically opened between two adjacent escape shafts, and the rectangular accommodating chamber is connected to the escape shafts on both sides.

[0011] As an optional solution for the open-cut tunnel structure described in the utility model, a plurality of ventilation pipes are fixedly connected at equal intervals to the surface of the tunnel body, each of the ventilation pipes is connected to the receiving chamber, and a pipe cover is threadedly connected to the end of each ventilation pipe, and a ventilation hole is opened on the bottom surface of each pipe cover.

[0012] As an optional solution for the open-cut tunnel structure of the utility model, the horizontal pipe section of each ventilation pipe is placed above the ground, and the surface of the ground is symmetrically fixedly connected with isolation fences between the ventilation pipes on both sides.

[0013] The utility model has the following beneficial effects:

[0014] 1. The open-cut tunnel structure is equipped with fire doors, escape shafts, escape ladders and accommodation chambers. When a large-scale traffic accident occurs in the tunnel and the accident personnel need to be temporarily evacuated, the fire doors can be opened nearby. The accident site personnel enter the escape shaft through the fire doors and are transferred to the accommodation chamber for temporary repairs through the escape ladder in the escape shaft, so as to avoid the accident personnel being stranded in the tunnel. On the one hand, it is convenient for rescue personnel to carry out on-site rescue. On the other hand, it prevents the subsequent vehicles entering the tunnel from being negligent in observation, thus avoiding secondary accidents to personnel and causing potential traffic accidents.

[0015] 2. The open-cut tunnel structure can improve the waterproof performance of the tunnel body by setting vertical waterproof boards and horizontal waterproof boards, thereby preventing water in the foundation from seeping into the tunnel.

[0016] 3. The open-cut tunnel structure can collect the open water in the tunnel by setting up drainage ditches and drainage outlets, which is convenient for centralized discharge and treatment in the later stage.

[0017] 4. The open-cut tunnel structure is provided with a rectangular accommodation chamber, so that when personnel are transferred, personnel can enter the rectangular accommodation chamber to queue up without having to queue up in the tunnel, thereby improving the safety of the transferred personnel.

[0018] 5. The open-cut tunnel structure can ventilate the receiving chamber by arranging ventilation pipes and ventilation holes, and the ventilation holes are arranged at the bottom to reduce the probability of rainwater entering the ventilation pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the installation position structure of the tunnel body of the utility model.

[0020] Figure 2 It is a front structural schematic diagram of the utility model.

[0021] Figure 3 This is a partial cross-sectional structure of the tunnel body in the utility model. Figure 1 .

[0022] Figure 4 This is a partial cross-sectional structure of the tunnel body in the utility model. Figure 2 .

[0023] Figure 5 This is a partial cross-sectional structure of the tunnel body in the utility model. Figure 3 .

[0024] Figure 6 for Figure 5 Enlarged structural diagram at point A in the middle.

[0025] Figure 7 This is a partial cross-sectional structure of the tunnel body in the utility model. Figure 4 .

[0026] Figure 8 This is a structural diagram of the connection between the ventilation pipe and the tunnel body in the utility model.

[0027] Fig. 9 for Figure 8 Enlarged structural diagram at point B in the middle.

[0028] In the figure: 1. Tunnel body; 2. Tunnel; 3. Vertical waterproof board; 4. Horizontal waterproof board; 5. Ground; 6. Isolation fence; 7. Support board; 8. Walking path; 9. Accommodation chamber; 10. Fire door; 11. Escape shaft; 12. Escape ladder; 13. Ventilation pipe; 14. Pipe cover; 15. Ditch; 16. Drainage outlet; 17. Rectangular accommodation chamber; 18. Ventilation outlet. DETAILED DESCRIPTION

[0029] 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.

[0030] Example 1, please refer to Figure 1-9 The open-cut tunnel structure includes a tunnel body, a tunnel hole and the ground. Tunnels are symmetrically opened on the surface of the tunnel body, and the tunnel body is pre-buried in a foundation pit excavated below the ground.

[0031] The tunnel body is located between two tunnels and has multiple doorways equidistantly and symmetrically opened, all of which are rotatably connected to fire doors. Escape wells are opened at the positions of the fire doors inside the tunnel body, and an escape ladder is fixedly connected to the inner wall of each escape well. A receiving chamber is opened above the escape well inside the tunnel body, and the receiving chamber is connected to the escape well.

[0032] A rectangular accommodating chamber is symmetrically provided between two adjacent escape shafts, and the rectangular accommodating chamber is communicated with the escape shafts on both sides.

[0033] A plurality of ventilation pipes are fixedly connected to the surface of the tunnel body at equal intervals, each ventilation pipe is connected to the receiving chamber, and a pipe cover is threadedly connected to the end of each ventilation pipe, and a ventilation hole is opened on the bottom surface of each pipe cover.

[0034] The horizontal pipe section of each ventilation pipe is placed above the ground, and the surface of the ground is symmetrically fixedly connected with isolation fences between the ventilation pipes on both sides.

[0035] When using this open-cut tunnel, first excavate a foundation pit on the ground surface. After the foundation pit is excavated in place, waterproof membrane is laid at the bottom of the foundation pit, and support plates are laid on both sides of the foundation pit. Vertical waterproof plates are fixed on the surface of the support plates, and then the tunnel can be built between the vertical waterproof plates on both sides, and the masonry is carried out according to the structure of the tunnel body. After the masonry is completed, horizontal waterproof plates are laid on the surface of the tunnel body, and then the foundation pit is backfilled and the tunnel body is pre-buried. When in use, when a large-scale traffic accident occurs in the tunnel, the rescue personnel can open the fire door nearby according to the accident site, and then arrange the personnel at the accident site to enter the escape through the fire door in turn. The personnel who have not climbed up can wait in the rectangular accommodation chamber instead of waiting in the tunnel, which improves the safety of the transferred personnel. In the event of an accident, the escaped personnel can be temporarily transferred to the accommodation chamber to avoid accumulation of personnel in the tunnel and traffic hazards. At the same time, it is convenient for rescue personnel to carry out on-site operations. After the rescue is completed or the safety hazards at the accident site are eliminated, the personnel in the accommodation chamber can return to the tunnel and be transferred out of the tunnel in a centralized manner through the arrangement of on-site rescue personnel.

[0036] By providing ventilation pipes and vents, the containment chamber can be ventilated to ensure air circulation in the containment chamber, making it convenient for people to breathe, and the vents are provided at the bottom to reduce the probability of rainwater entering the ventilation pipe.

[0037] Example 2: This example is an improvement on Example 1. Figure 1-9 Vertical waterproof panels are fixedly connected to both side surfaces of the tunnel body, supporting panels are fixedly connected between the vertical waterproof panels and the foundation pit opened inside the ground, and horizontal waterproof panels are fixedly connected between the upper surface of the tunnel body and the ground.

[0038] A drainage ditch is opened inside the tunnel body at the bottom of each tunnel. The inner wall of the tunnel is symmetrically and fixedly lined with a walking path. Drainage outlets are opened at equal intervals inside the walking path, and the drainage outlets are connected to the drainage ditch.

[0039] By setting up vertical waterproof boards and horizontal waterproof boards, the waterproof performance of the tunnel body can be improved and water in the foundation can be prevented from seeping into the tunnel.

[0040] By setting up drainage ditches and drainage outlets, the surface water in the tunnel can be collected centrally, making it convenient to use water pumps to discharge the accumulated water in the drainage ditch in a centralized manner later.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. 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 these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An open-cut tunnel structure, comprising a tunnel body (1), a tunnel (2) and a ground surface (5), characterized in that: Tunnels (2) are symmetrically opened on the surface of the tunnel body (1), and the tunnel body (1) is pre-buried in a foundation pit excavated below the ground (5); The tunnel body (1) is located between the two tunnels (2) and has multiple door openings symmetrically and equidistantly, each of which is rotatably connected to a fire door (10); an escape shaft (11) is opened inside the tunnel body (1) at the position of the fire door (10); an escape ladder (12) is fixedly connected to the inner wall surface of each escape shaft (11); a receiving chamber (9) is opened inside the tunnel body (1) at a position above the escape shaft (11); and the receiving chamber (9) and the escape shaft (11) are connected.

2. The open-cut tunnel structure according to claim 1, characterized in that: Vertical waterproof plates (3) are fixedly connected to both side surfaces of the tunnel body (1), supporting plates (7) are fixedly connected between the vertical waterproof plates (3) and a foundation pit opened inside the ground (5), and transverse waterproof plates (4) are fixedly connected between the upper surface of the tunnel body (1) and the ground (5).

3. The open-cut tunnel structure according to claim 1, characterized in that: A water collecting ditch (15) is provided inside the tunnel body (1) at a position below each of the tunnels (2); the inner wall of the tunnel (2) is symmetrically and fixedly lined with a walking path (8); drainage outlets (16) are provided at equal intervals inside the walking path (8); and the drainage outlets (16) are connected to the water collecting ditch (15).

4. The open-cut tunnel structure according to claim 1, characterized in that: A rectangular accommodating chamber (17) is symmetrically provided between two adjacent escape shafts (11), and the rectangular accommodating chamber (17) is connected to the escape shafts (11) on both sides.

5. The open-cut tunnel structure according to claim 4, characterized in that: A plurality of ventilation pipes (13) are fixedly connected at equal intervals to the surface of the tunnel body (1); each ventilation pipe (13) is connected to the receiving chamber (9); and a pipe cover (14) is threadedly connected to the end of each ventilation pipe (13); and a ventilation opening (18) is provided on the bottom surface of each pipe cover (14).

6. The open-cut tunnel structure according to claim 5, characterized in that: The horizontal pipe section of each ventilation pipe (13) is placed above the ground (5), and a separation fence (6) is symmetrically fixedly connected to the surface of the ground (5) between the ventilation pipes (13) on both sides.

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