Tunnel structure

By setting up a recessed structure inside the tunnel, the cable and drainage functions are combined, solving the problem of insufficient space inside the tunnel, widening the lane surface, and accommodating the passage of large vehicles.

CN223724612UActive Publication Date: 2025-12-26NORTHWEST ENGINEERING CORPORATION LIMITED
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520229449.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-26
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

The existing tunnel structure has excessive space occupied by drainage ditches and cable trenches, resulting in insufficient width of the tunnel lanes and making it impossible for large vehicles to pass.

Method used

Recessed structures are installed at both ends inside the tunnel. These recessed structures are recessed downwards and extend along the length of the tunnel for laying cables and drainage. Both ends of the recessed structures are connected to the outside of the tunnel, replacing separate drainage ditches and cable trenches.

Benefits of technology

By combining drainage and cable trench functions, the space occupied at the bottom of the tunnel is reduced, the lane surface is widened, and the capacity for large vehicles is increased.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223724612U_ABST
    Figure CN223724612U_ABST
Patent Text Reader

Abstract

The utility model provides a tunnel structure and relates to the technical field of tunnels, groove structures are arranged at the two ends of the interior of a tunnel in the width direction of the tunnel, the groove structures are sunken downwards and extend in the length direction of the tunnel, the two ends of each groove structure are used for being communicated with the outside of the tunnel, and the two ends of each groove structure are used for being communicated with the outside of the tunnel. The interior of the groove structure is used for laying cables, and the groove structure is used for draining water. The groove structures are formed in the two ends of the interior of the tunnel in the width direction, the cables are laid in the groove structures, rainwater is drained, one groove structure is used, the functions of cable laying and drainage are achieved at the same time, a drainage ditch and a cable groove which are originally independent are replaced, the space occupied by the bottom of the tunnel in the width direction of the tunnel is reduced, and the construction cost is reduced. And the width of the lane surface is increased, so that larger and large vehicles can pass through the tunnel.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel technical field, specifically, relate to a tunnel structure. BACKGROUND

[0002] Tunnel is built in the underground or underwater or in the mountain, laying railway or building highway for motor vehicle to pass through the building. According to its location can be divided into mountain ridge tunnel, underwater tunnel and city tunnel three categories. For shortening distance and avoiding big ramp and from mountain or hillside underpassing, it is called mountain ridge tunnel. For crossing river or strait and from river or submarine, it is called underwater tunnel. For the need of railway through the city and underpassing in the city, it is called city tunnel. For the needs of drainage and power supply, when tunnel construction, drainage ditch and cable slot are opened on the tunnel ground, which will make the width of the tunnel inside lane narrow, some large vehicles cannot pass through the tunnel. SUMMARY

[0003] The utility model solves the problem of how to make large vehicles pass through the tunnel.

[0004] Therefore, the utility model provides a tunnel structure, the recess structure is arranged at both ends of the tunnel along the width direction of the tunnel, the recess structure is concave downward, the recess structure extends along the length direction of the tunnel, both ends of the recess structure are used for communicating with the outside of the tunnel, the recess structure is used for laying cable, and the recess structure is used for drainage.

[0005] Optionally, the inner edge of the radial section of the tunnel comprises a semicircle, a first circle, a second circle, a third circle, a fourth circle and a fifth circle connected in sequence and connected in a ring, and the opening direction of each circle is towards the inside of the tunnel, the semicircle is located directly above the tunnel, the third circle is located directly below the tunnel, the radius of the semicircle is 610 cm, the radius of the first circle and the fifth circle is 1150 cm, the radian is 11 degrees, the radius of the second circle and the fourth circle is 120 cm, the radian is 62 degrees, the radius of the third circle is 1800 cm, and the radian is 32 degrees.

[0006] Optionally, the inner edge of the tunnel is a concrete layer.

[0007] Optionally, a steel mesh layer is arranged outside the concrete layer.

[0008] Optionally, the steel mesh layer comprises two layers of steel mesh and a plurality of steel plates arranged between the two layers of steel mesh, and the plurality of steel plates are arrayed along the extension direction of the steel mesh.

[0009] Optionally, the tunnel structure further comprises a grouting pipe, a connecting hole is formed on the steel plate, one end of the grouting pipe is inserted into the connecting hole, and the other end of the grouting pipe extends away from the inside of the tunnel, and the grouting pipe is used for pouring cement slurry to the side of the grouting pipe.

[0010] Optionally, a plurality of grouting pipes are arranged in an array along the length direction and the circumferential direction of the tunnel.

[0011] Optionally, a waterproof layer is further arranged between the concrete layer and the reinforcement mesh layer.

[0012] Optionally, the waterproof layer comprises a waterproof board and a geotextile arranged in a stack.

[0013] Optionally, a fan is arranged at the top of the tunnel.

[0014] Compared with the prior art, the tunnel structure has the following beneficial effects:

[0015] The recess structure is recessed towards the negative direction of the Z axis and extends along the Y axis direction, the cable used for power supply can be laid in the recess structure, the recess structure can also play a role of a drainage groove, the two ends of the recess structure along the Y axis direction are both communicated with the outside of the tunnel, the cable is convenient to communicate with the external circuit, and the water in the recess structure can also flow out of the tunnel through the two ends of the recess structure, thereby playing a role of drainage, the recess structure is used to simultaneously play the roles of laying the cable and drainage, and replaces the originally independent drainage groove and cable groove, the space occupied along the X axis direction at the bottom of the tunnel is reduced, the width of the lane is increased, and the tunnel can pass larger vehicles. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a structural schematic view of one of the tunnel structures of the embodiments of the present application;

[0017] Figure 2 Fig. 2 is a structural schematic view of another of the tunnel structures of the embodiments of the present application;

[0018] Figure 3 Fig. 3 is a structural schematic view of a third of the tunnel structures of the embodiments of the present application;

[0019] Figure 4 Fig. 4 is a distribution schematic view of the grouting pipes of the embodiments of the present application;

[0020] Figure 5 Fig. 5 is a schematic view of the prior tunnel structure.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1 - groove structure; 21 - first circular arc; 22 - second circular arc; 23 - third circular arc; 24 - fourth circular arc; 25 - fifth circular arc; 26 - semicircular arc; 31 - concrete layer; 32 - waterproof layer; 33 - steel mesh layer; 331 - steel plate; 332 - steel mesh; 34 - grouting pipe; 4 - fan; 5 - lane surface; 61 - drainage ditch; 62 - cable trough. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0024] It should be noted that in the description of the utility model, the directions or position relationships indicated by "up", "down", "left", "right", "top", "bottom", "front", "back", "inside" and "outside" are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model, and are not indicative or suggestive of the devices indicated having a specific direction, being constructed and operated in a specific direction, and therefore cannot be understood as limiting the protection scope of the utility model.

[0025] The terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicative or suggestive of relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features.

[0026] Moreover, although the utility model is described with reference to specific embodiments in the utility model, it should be understood that these embodiments are only examples of the principles and applications of the utility model. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed, as long as they do not deviate from the spirit and scope of the utility model defined in the appended claims. It should be understood that different dependent claims and features in this paper can be combined in ways other than those described in the original claims. It should also be understood that the features described in conjunction with a single embodiment can be used in other embodiments.

[0027] In the prior art, as shown in Figure 5 The radial cross-section of the tunnel is approximately horseshoe-shaped structure, for example, the height is 8.4 meters, the width is 11.75 meters, the drainage ditch 61 and the cable trough 62 are arranged on both sides of the bottom of the tunnel, the larger the size of the drainage ditch 61 and the cable trough 62 occupy in the width direction of the tunnel, the smaller the width of the lane surface 5 in the tunnel, so that the large-size vehicle cannot pass through the tunnel.

[0028] To solve the above problems, as shown in Figure 1As shown, the utility model provides a kind of tunnel structure, recess structure 1 is equipped in both ends along the tunnel width direction inside the tunnel, the recess structure 1 is concave downward, the recess structure 1 extends along the length direction of the tunnel, both ends of the recess structure 1 are used to communicate with the outside of the tunnel, the recess structure 1 is used to lay cable inside, and the recess structure 1 is used for drainage.

[0029] In the embodiment, by recess structure 1 being arranged in both ends along X axis direction inside the tunnel, recess structure 1 is concave to Z axis negative direction, and extends along Y axis direction, cable for energization can be laid in recess structure 1, recess structure 1 can also play the role of drainage groove, both ends of recess structure 1 along Y axis direction are communicated with the outside of the tunnel, so as to facilitate the communication between cable and external circuit, water in recess structure 1 can also flow out of tunnel along both ends of recess structure 1, play the role of drainage, the utility model uses a recess structure 1, simultaneously plays the role of laying cable and drainage, replaces originally independent drainage ditch 61 and cable groove 62, reduces the space occupied along X axis direction at the bottom of tunnel, increases the width of lane 5, so that larger vehicles can pass through the tunnel.

[0030] Optionally, as shown, Figure 2 As shown, the inner edge of the radial section of the tunnel comprises a semicircular arc 26, a first circular arc 21, a second circular arc 22, a third circular arc 23, a fourth circular arc 24 and a fifth circular arc 25 connected in sequence and connected in a loop, and the opening direction is towards the inside of the tunnel, the semicircular arc 26 is located directly above the tunnel, the third circular arc 23 is located directly below the tunnel, the radius of the semicircular arc 26 is 610 cm, the radius of the first circular arc 21 and the fifth circular arc 25 is 1150 cm, and the radian is 11 degrees, the radius of the second circular arc 22 and the fourth circular arc 24 is 120 cm, and the radian is 62 degrees, the radius of the third circular arc 23 is 1800 cm, and the radian is 32 degrees.

[0031] In the embodiment, the inner edge of the tunnel radial section is divided into a semicircular arc 26 (FA arc segment), a first circular arc 21 (AB arc segment), a second circular arc 22 (BC arc segment), a third circular arc 23 (CD arc segment), a fourth circular arc 24 (DE arc segment) and a fifth circular arc 25 (EF arc segment) connected in sequence from head to tail, the opening direction of the six circular arcs is towards the inside of the tunnel, that is, the six circular arcs are all protruding towards the outside of the tunnel, wherein the semicircular arc 26 (FA arc segment) is located in the positive direction of the Z axis, the third circular arc 23 (CD arc segment) is located in the negative direction of the Z axis, the center point of the semicircular arc 26 (FA arc segment) is O6, the radius R6 is 610 cm, and the arc degree is 180 degrees; the center of the first circular arc 21 (AB arc segment) is O1, the radius R1 is 1150 cm, and the arc degree is 11 degrees; the center of the second circular arc 22 (BC arc segment) is O2, the radius R2 is 120 cm, and the arc degree is 62 degrees; the center of the third circular arc 23 (CD arc segment) is O3, the radius R3 is 1800 cm, and the arc degree is 32 degrees; the center of the fourth circular arc 24 (DE arc segment) is O4, the radius R2 is 120 cm, and the arc degree is 62 degrees; the center of the fifth circular arc 25 (EF arc segment) is O5, the radius R1 is 1150 cm, and the arc degree is 11 degrees. In this way, the total width of the tunnel inside can reach 12.2 meters, and the total height is about 9.9 meters. Compared with the existing horseshoe-shaped tunnel with a height of 8.4 meters and a width of 11.75 meters, the tunnel width of the utility model is widened, and the tunnel height is improved, which is more convenient for large vehicles to pass through the tunnel.

[0032] Optionally, as shown in Figure 1 and Figure 3 , the inner edge of the tunnel is a concrete layer 31.

[0033] In the embodiment, the innermost side of the tunnel is provided with the concrete layer 31, so that the inner edge of the tunnel is condensed into a whole, and the structural strength of the tunnel is improved.

[0034] Optionally, as shown in Figure 3 , a steel mesh layer 33 is arranged outside the concrete layer 31, that is, on the side facing the outside of the tunnel.

[0035] In the embodiment, the steel mesh layer 33 is arranged outside the concrete layer 31, that is, on the side facing the outside of the tunnel. During construction, the steel mesh layer 33 is first built, which can block the mountain or underground gravel and prevent the gravel from falling into the tunnel, and then the concrete layer 31 is applied in the steel mesh layer 33.

[0036] Optionally, as shown in Figure 3As shown, the steel mesh layer 33 includes two layers of steel mesh 332 and a plurality of steel plates 331 arranged between the two layers of steel mesh 332.

[0037] In the embodiment, by arranging the steel mesh layer 33 as two layers of steel mesh 332 and a steel plate layer between the two layers of steel mesh 332, the steel plate layer is formed by a plurality of steel plates 331 arranged in an array, and two layers of steel mesh 332 are welded on both sides of the plurality of steel plates 331, thereby improving the structural strength of the steel mesh layer 33 and the ability of the steel mesh layer 33 to intercept gravel.

[0038] Specifically, the steel plate 331 can be at least one of an I-beam, an H-beam, and a U-beam.

[0039] Optionally, as shown in Figure 1 and 3 As shown, the tunnel structure further includes a grouting pipe 34, the steel plate 331 is provided with a connecting hole, one end of the grouting pipe 34 is inserted into the connecting hole, and the other end extends away from the inside of the tunnel. The grouting pipe 34 is used to inject cement slurry around the grouting pipe 34.

[0040] In the embodiment, by arranging the grouting pipe 34 outside the steel mesh layer 33, the extension direction of the grouting pipe 34 is in the radial cross section of the tunnel, and specifically can extend radially along the tunnel to the outside of the tunnel. The steel plate 331 is provided with a connecting hole for inserting the grouting pipe 34 to connect the grouting pipe 34 to the steel plate 331. The grouting pipe 34 is provided with a grouting hole on the wall body, cement slurry can be injected around it to integrate the gravel, soil and steel plate 331, steel mesh 332 on the outside of the steel plate 331 (the side of the steel plate 331 away from the concrete layer 31) into one body, thereby improving the overall structural strength of the tunnel. When injecting cement slurry, cement slurry can be input into the grouting pipe 34 from the end of the grouting pipe 34 inserted into the connecting hole.

[0041] Optionally, as shown in Figure 4 The plurality of grouting pipes 34 are arranged in an array along the length direction of the tunnel and the circumferential direction of the tunnel.

[0042] In the embodiment, by arranging the grouting pipe 34 as a plurality of grouting pipes 34, the plurality of grouting pipes 34 are distributed along the Y-axis direction and distributed along the circumferential direction of the tunnel, thereby being arranged in an array on the circumferential surface of the tunnel. The gravel, soil and steel plate 331, steel mesh 332 on the outside of the steel plate 331 are integrated into one body, thereby improving the overall structural strength of the tunnel.

[0043] Optionally, as shown in Figure 3 The waterproof layer 32 is further arranged between the concrete layer 31 and the steel mesh layer 33.

[0044] In the embodiment, the waterproof layer 32 is arranged between the concrete layer 31 and the steel mesh layer 33, and the waterproof layer 32 plays a role of waterproof and anti-seepage, so that water in the mountain or the ground does not enter the tunnel, and damage of the tunnel caused by water immersion is avoided.

[0045] Optionally, the waterproof layer 32 comprises a waterproof board and a geotextile arranged in a stack.

[0046] In the embodiment, the waterproof layer 32 is arranged by stacking an EVA waterproof board and a non-woven geotextile, EVA (Ethylene Vinyl Acetate) is a thermoplastic plastic copolymerized by ethylene and vinyl acetate, so that the waterproof layer 32 plays a role of waterproof and anti-seepage.

[0047] Optionally, as shown in the figure, Figure 1 The tunnel top is provided with a fan 4.

[0048] In the embodiment, the fan 4 is arranged on the tunnel top, so that exhaust gas and smoke generated by vehicles passing through the tunnel can be discharged, air in the tunnel is circulated, and driving safety in the tunnel is improved.

[0049] Although the utility model discloses as above, the protection scope of the utility model is not only limited to this. The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will fall into the protection scope of the utility model.

Claims

1. A tunnel structure, characterized by, The tunnel is provided with a groove structure (1) at both ends along the width direction of the tunnel, the groove structure (1) is recessed downward, the groove structure (1) extends along the length direction of the tunnel, both ends of the groove structure (1) are used for communicating with the outside of the tunnel, the groove structure (1) is used for laying cables, and the groove structure (1) is used for drainage.

2. The tunnel structure of claim 1, wherein, The inner edge of the radial section of the tunnel comprises a semicircular arc (26), a first circular arc (21), a second circular arc (22), a third circular arc (23), a fourth circular arc (24) and a fifth circular arc (25) which are connected in sequence and surround the tunnel, and the opening direction of each arc is towards the inside of the tunnel, the semicircular arc (26) is located directly above the tunnel, the third circular arc (23) is located directly below the tunnel, the radius of the semicircular arc (26) is 610 cm, the radius of the first circular arc (21) and the fifth circular arc (25) is 1150 cm, and the radian is 11 degrees, the radius of the second circular arc (22) and the fourth circular arc (24) is 120 cm, and the radian is 62 degrees, the radius of the third circular arc (23) is 1800 cm, and the radian is 32 degrees.

3. The tunnel structure of claim 1, wherein, The inner edge of the tunnel is a concrete layer (31).

4. The tunnel structure of claim 3, wherein, The outer side of the concrete layer (31) is provided with a steel mesh layer (33).

5. The tunnel structure of claim 4, wherein, The steel mesh layer (33) comprises two layers of steel mesh (332) and a plurality of steel plates (331) arranged between the two layers of steel mesh (332), and the plurality of steel plates (331) are arrayed along the extension direction of the steel mesh (332).

6. The tunnel structure of claim 5, wherein, Further comprising a grouting pipe (34), a connecting hole is formed in the steel plate (331), one end of the grouting pipe (34) is inserted into the connecting hole, the other end extends away from the inside of the tunnel, and the grouting pipe (34) is used for pouring cement slurry around the grouting pipe (34).

7. The tunnel structure of claim 6, wherein, A plurality of grouting pipes (34) are arrayed along the length direction of the tunnel and the circumferential direction of the tunnel.

8. The tunnel structure of claim 4, wherein, A waterproof layer (32) is further arranged between the concrete layer (31) and the steel mesh layer (33).

9. The tunnel structure of claim 8, wherein, The waterproof layer (32) comprises a waterproof plate and a geotextile which are arranged in layers.

10. The tunnel structure according to any one of claims 1 to 9, characterized in that The top of the tunnel is provided with a fan (4).