Drainage structure of tunnel transverse channel and drainage tunnel

Abstract

The utility model discloses a drainage structure of a tunnel transverse channel and a drainage tunnel. The drainage structure comprises a main track tunnel, the transverse channel and the drainage tunnel. The main track tunnel is communicated with the drainage hole through the transverse channel; the center of the bottom of the main track tunnel is provided with a central ditch, and two sides are respectively provided with a side ditch; a drainage pipe and a drainage ditch are further included; the drainage ditch is arranged in the transverse channel, one end of the drainage pipe is communicated with the center ditch, the other end of the drainage pipe is communicated with the drainage ditch, and the other end of the drainage ditch is communicated with the drainage hole. And a water retaining block is arranged at the joint of the drainage pipe and the central ditch. The two side ditches are communicated with the central ditch through transverse ditches, and water retaining blocks are arranged at the communicated positions of the transverse ditches and the side ditches. The drainage structure of the tunnel transverse channel and the drainage tunnel aims to overcome existing defects, and tunnel construction safety and operation safety are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of drainage structures of tunnel cross passage and drainage hole. BACKGROUND

[0002] Tunnel is built in underground or underwater, for vehicle, pedestrian, water flow and pipeline etc.

[0003] When railway is laid in mountainous area, it needs to set a large number of tunnels to cross stratum due to the influence of topography and existing ground buildings.

[0004] And when tunnel long paragraph spreads along underground river, multiple karst caves develop in hole body, water inflow will increase by tens of times, which will affect the construction safety and operation safety of tunnel, so effective drainage system needs to be set in tunnel construction process and operation stage. Therefore, a kind of drainage structure of tunnel cross passage and drainage hole is proposed for the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the defects of the prior art and providing a kind of drainage structure of tunnel cross passage and drainage hole, which ensures the construction safety and operation safety of tunnel.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of drainage structure of tunnel cross passage and drainage hole, including main line tunnel, cross passage and drainage hole;

[0007] The main line tunnel is connected with the drainage hole by the cross passage;

[0008] The center groove is arranged at the bottom center of the main line tunnel, and one side groove is arranged at both sides respectively.

[0009] It further includes drain pipe and drainage ditch;The drainage ditch is arranged in the cross passage, one end of the drain pipe is connected with the center groove, the other end is connected with the drainage ditch, and the other end of the drainage ditch is connected with the drainage hole.

[0010] Preferably, a water retaining block is arranged at the connection between the drain pipe and the center groove.

[0011] Preferably, the two side grooves are connected with the center groove through horizontal ditch, and a water retaining block is arranged at the connection between the horizontal ditch and the side groove.

[0012] Preferably, cover plates are arranged on the center groove and the side groove.

[0013] Preferably, backfill concrete is arranged at the connection between the main line tunnel and the cross passage.

[0014] Preferably, the drainage ditch is rectangular open ditch.

[0015] Compared with the prior art, the tunnel transverse passage and the drainage structure of the water release hole have the beneficial effects that: the tunnel transverse passage and the drainage structure of the water release hole are communicated through the transverse passage and the water release hole of the through tunnel; the center groove is arranged at the bottom center of the through tunnel, and one side groove is arranged on each side; one end of the drain pipe is communicated with the center groove, the other end of the drain pipe is communicated with the drainage ditch, the other end of the drainage ditch is communicated with the water release hole, and the water is reasonably drained, so that the tunnel construction safety and operation safety are ensured. The drainage structure is convenient to construct, reliable in structure, and large in drainage capacity. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0017] Figure 1 It is a top view of the tunnel transverse passage and the drainage structure of the water release hole of the present application;

[0018] Figure 2 It is a front view of the tunnel transverse passage and the drainage structure of the water release hole of the present application;

[0019] Figure 3 It is a connection detail view of the center groove and the water retaining block of the present application;

[0020] Figure 4 It is a connection side view of the center groove and the water retaining block of the present application;

[0021] Figure 5 It is a connection front view of the center groove and the water retaining block of the present application.

[0022] In the drawings: 1, through tunnel; 2, transverse passage; 3, water release hole; 4, center groove; 5, side groove; 6, transverse groove; 7, water retaining block; 8, drain pipe; 9, drainage ditch; 10, backfill concrete; 11, cover plate; 12, inverted arch. DETAILED DESCRIPTION

[0023] 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 a 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.

[0024] Please refer to Figures 1-5The utility model relates to a kind of drainage structures of tunnel cross passage and spillway, including main line tunnel 1, cross passage 2 and spillway 3;Main line tunnel 1 is connected by cross passage 2 spillway 3;The center of main line tunnel 1 bottom is provided with center ditch 4, and one side is provided with a side ditch 5 respectively;It further includes drain pipe 8 and drainage ditch 9;Drainage ditch 9 is set in cross passage 2, one end of drain pipe 8 is connected with center ditch 4, and the other end is connected with drainage ditch 9, and the other end of drainage ditch 9 is connected with spillway 3.Drainage ditch 9 is rectangular open ditch.Water baffle 7 is arranged at the junction of drain pipe 8 and center ditch 4.Two side ditches 5 are connected with center ditch 4 by cross ditch 6, and water baffle 7 is arranged at the junction of cross ditch 6 and side ditch 5.In main line tunnel 1, inverted arch 12 is arranged.

[0025] Specifically, the cross passage 2 is 5.0m wide x 5.0m high, 56m long, with a slope of 7%, and the intersection angle with the main line tunnel 1 is 45°. The spillway 3 has an internal clearance of 4.5m wide x 5.0m high, and staggered lanes are arranged at intervals of not more than 400m. The internal clearance of the staggered lanes is 7.5m wide x 6.2m high, with a slope of 5%, and the distance between the staggered lanes and the main line tunnel 1 is 40m.

[0026] Specifically, the center ditch 4 and the side ditch 5 are both provided with a cover plate 11. The center ditch 4 is arranged on the center line of the main line tunnel 1, and the side ditch 5 is arranged on both sides of the main line tunnel 1. Both are rectangular open ditches with a cover plate 11 arranged on the upper part. The center ditch 4 and the side ditch 5 are connected by the cross ditch 6, with a slope of 2%. The cross ditch 6 is a horizontal drainage pipe with an inner diameter of 50cm, with a longitudinal interval of 30m, and the interval should be increased in areas with developed underground water.

[0027] Specifically, the water baffle 7 is 40cm high and 50cm thick, with a concrete strength of C40, and is arranged on the center ditch 4 and the side ditch 5 respectively.

[0028] Specifically, the drain pipe 8 is a reinforced concrete pipe with an inner diameter of 60cm, a length of 20m, and an end arranged on the upstream side of the water baffle 7 of the center ditch 4. The slope is consistent with that of the cross passage 2, both being 7%.

[0029] Specifically, the drainage ditch 9 is a rectangular open ditch, 60cm wide and 60cm high, with one end connected to the drain pipe 8 and the other end connected to the spillway 3.

[0030] Specifically, the main line tunnel 1 and the cross passage 2 are connected by backfilling concrete 10. The backfilling concrete is C20 concrete arranged at the junction of the main line tunnel 1 and the cross passage 2 to enhance the overall stability of the main line tunnel 1.

[0031] The drainage structure of the tunnel cross passage and the drainage hole is characterized in that the main tunnel 1 is connected with the drainage hole 3 through the cross passage 2; the center groove 4 is arranged at the bottom center of the main tunnel 1, and one side groove 5 is arranged on each side; one end of the drainage pipe 8 is connected with the center groove 4, the other end of the drainage pipe 8 is connected with the drainage ditch 9, and the other end of the drainage ditch 9 is connected with the drainage hole 3, so that the water is reasonably drained, and the safety of the tunnel construction and operation is ensured. The drainage structure is convenient to construct, reliable in structure, and large in drainage capacity.

[0032] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A drainage structure of a tunnel cross passage and a spillway, characterized by, It comprises a main tunnel (1), a cross passage (2) and a drainage hole (3); The main tunnel (1) is communicated with the drainage hole (3) through the cross passage (2); A center ditch (4) is arranged at the bottom center of the main tunnel (1), and a side ditch (5) is arranged on each side thereof; It further comprises a drain pipe (8) and a drain ditch (9); the drain ditch (9) is arranged in the cross passage (2), one end of the drain pipe (8) is communicated with the center ditch (4), the other end of the drain pipe (8) is communicated with the drain ditch (9), and the other end of the drain ditch (9) is communicated with the drainage hole (3).

2. The drainage structure of a tunnel cross passage and a spillway according to claim 1, wherein A water retaining block (7) is arranged at the connection between the drain pipe (8) and the center ditch (4).

3. The drainage structure of a tunnel cross passage and a spillway according to claim 1, wherein The two side ditches (5) are communicated with the center ditch (4) through a cross ditch (6), and a water retaining block (7) is arranged at the communication position between the cross ditch (6) and the side ditch (5).

4. The drainage structure of a tunnel cross passage and a spillway according to claim 1, wherein Cover plates (11) are arranged on the center ditch (4) and the side ditch (5).

5. The drainage structure of a tunnel cross passage and a drainage tunnel according to claim 1, wherein The connection between the main tunnel (1) and the cross passage (2) is provided with backfill concrete (10).

6. The drainage structure of a tunnel cross passage and a drainage tunnel according to claim 1, wherein The drain ditch (9) is a rectangular open ditch.

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