Concrete subway segment

Abstract

The utility model relates to the technical field of subway construction, and discloses a concrete subway segment which comprises a subway segment body. A first sealing groove is formed in one side in the length direction, and a first sealing block matched with the first sealing groove is arranged on the other side; a first inserting groove is formed in the first sealing groove, and a first inserting column matched with the first inserting groove is arranged on the first sealing block; a second sealing groove is formed in one side in the width direction, and a second sealing block matched with the second sealing groove is arranged on the other side; a second inserting groove is formed in the second sealing groove, and a second inserting column matched with the second inserting groove is arranged on the second sealing block. When the metro segment body is used for splicing, the first sealing groove in the side face of the metro segment body is connected with the first sealing block on the side face of another metro segment body in an inserted mode, and the first inserting column is connected with the first inserting groove of another metro segment body in an inserted mode, so that good sealing connection is formed. The subway segment main body is prevented from being corroded by water infiltration during use, and the service life is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of subway construction technology, and in particular to a concrete subway tunnel segment. Background Technology

[0002] Subway segments are important prefabricated components used in subway tunnel construction, mainly for supporting and lining the tunnel structure. They are usually made of reinforced concrete and have good load-bearing capacity and durability. Each segment is usually arc-shaped to facilitate splicing to form a complete tunnel wall. Their size and shape are designed according to the specific project requirements to adapt to different tunnel diameters and geological conditions. The segments are fixed together by connecting steel bars or other connectors to form a continuous and robust tunnel structure.

[0003] Existing non-steam-cured subway tunnel segments are used by directly splicing the sides of two segments together, which does not achieve a certain sealing effect. The environment inside the tunnel is relatively humid, and the internal steel structure of the subway tunnel segments may be corroded by water seepage after long-term use, affecting the service life of the subway tunnel segments. Therefore, a concrete subway tunnel segment with high sealing performance is needed to meet the requirements. Utility Model Content

[0004] The purpose of this utility model is to provide a concrete subway tunnel segment with good sealing performance, and its specific technical solution is as follows:

[0005] A type of concrete subway tunnel segment, comprising a subway tunnel segment body;

[0006] A first sealing groove is provided on one side along the length of the subway tunnel segment, and a first sealing block matching the first sealing groove is provided on the other side; and a first insertion groove is provided in the first sealing groove, and a first insertion post matching the first insertion groove is provided on the first sealing block.

[0007] A second sealing groove is provided on one side along the width direction of the subway tunnel segment, and a second sealing block matching the second sealing groove is provided on the other side; and a second insertion groove is provided in the second sealing groove, and a second insertion post matching the second insertion groove is provided on the second sealing block.

[0008] Preferably, the edges of the second sealing groove and the second sealing block are provided with matching serrated edges.

[0009] Preferably, a sealing strip is provided at the edge of the first sealing groove.

[0010] Preferably, the edge of the first sealing groove is further provided with a mounting groove for installing a sealing strip.

[0011] Preferably, the first sealing groove has a filling hole at one edge near the second sealing groove, the filling hole also extends to the side of the second sealing groove, and the side of the second sealing block has a leakage hole communicating with the filling hole, the leakage hole also extends to the front of the second sealing block.

[0012] Preferably, the filling hole is filled with sealant.

[0013] Preferably, both the first insertion slot and the first insertion post are provided with at least three sets.

[0014] Preferably, there are at least two sets of the second insertion slot and the second insertion post.

[0015] Preferably, the main body of the subway tunnel segment is an arc shape that matches the shape of the subway tunnel.

[0016] The application of the technical solution of this utility model has the following beneficial effects:

[0017] A concrete subway tunnel segment includes a subway tunnel segment body; a first sealing groove is provided on one side along the length direction of the subway tunnel segment body, and a first sealing block matching the first sealing groove is provided on the other side; a first insertion groove is provided in the first sealing groove, and a first insertion post matching the first insertion groove is provided on the first sealing block; a second sealing groove is provided on one side along the width direction of the subway tunnel segment body, and a second sealing block matching the second sealing groove is provided on the other side; a second insertion groove is provided in the second sealing groove, and a second insertion post matching the second insertion groove is provided on the second sealing block. This utility model, by providing the first sealing groove and the first insertion groove, allows for seamless splicing of the subway tunnel segment body. The first sealing groove on one side of the subway tunnel segment body corresponds to the first sealing block on the side of another subway tunnel segment body. The first insertion post at one end of the first sealing block is inserted into the first insertion groove at one end of the first sealing groove of the other subway tunnel segment. Simultaneously, the sealing strip in the first sealing groove and the first sealing block are pressed together, and the elasticity of the sealing strip creates a sealing effect, ensuring that the subway tunnel segment body is not corroded by water penetration during use, thus improving the service life of the subway tunnel segment body.

[0018] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0019] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0020] Figure 1This is a structural schematic diagram of a concrete subway tunnel segment proposed in this utility model;

[0021] Figure 2 for Figure 1 A structural schematic diagram of a concrete subway tunnel segment from another perspective.

[0022] In the diagram: 1. Main body of subway tunnel segment; 2. First sealing groove; 3. First sealing block; 4. First insertion groove; 5. First insertion post; 6. Installation groove; 7. Sealing strip; 8. Second sealing groove; 9. Serrated edge; 10. Second insertion groove; 11. Second sealing block; 12. Second insertion post; 13. Glue filling hole; 14. Leakage hole. Detailed Implementation

[0023] The embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] refer to Figure 1 and Figure 2 A concrete subway tunnel segment includes a subway tunnel segment body 1; a first sealing groove 2 is provided on one side along the length direction of the subway tunnel segment body 1, and a first sealing block 3 matching the first sealing groove 2 is provided on the other side; a first insertion groove 4 is provided in the first sealing groove 2, and a first insertion post 5 matching the first insertion groove 4 is provided on the first sealing block 3; a second sealing groove 8 is provided on one side along the width direction of the subway tunnel segment body 1, and a second sealing block 11 matching the second sealing groove 8 is provided on the other side; a second insertion groove 10 is provided in the second sealing groove 8, and a second insertion post 12 matching the second insertion groove 10 is provided on the second sealing block 11.

[0025] In this embodiment of a concrete subway tunnel segment, when the subway tunnel segment body needs to be spliced ​​together, the first sealing groove on the side of the subway tunnel segment body is installed correspondingly to the first sealing block on the side of another subway tunnel segment body. The first insertion post is inserted into the first insertion groove of the other subway tunnel segment. At the same time, the second sealing groove on the side of the subway tunnel segment body is installed correspondingly to the second sealing block on the side of another subway tunnel segment body. The second insertion post is inserted into the second insertion groove of the other subway tunnel segment. Through this connection method, multiple subway tunnel segments are connected to form a well-sealed whole, which is laid in the subway tunnel to ensure a good sealing effect. This ensures that the subway tunnel segment body will not be corroded by water seepage during use, thereby improving the service life of the subway tunnel segment body.

[0026] The edges of the second sealing groove 8 and the second sealing block 11 are provided with matching serrated edges 9. The serrated edges help operators to perform docking more accurately and further improve the sealing connection effect.

[0027] A sealing strip 7 is provided at the edge of the first sealing groove 2. An installation groove 6 for installing the sealing strip 7 is also provided at the edge of the first sealing groove 2. The sealing strip ensures that when the first sealing block is inserted into the first sealing groove, it is compressed by the sealing strip, and the sealing strip rebounds and adheres to the first sealing groove, achieving a sealing effect.

[0028] A filling hole 13 is provided on the edge of the first sealing groove 2 near the second sealing groove 8. The filling hole 13 extends to the side of the second sealing groove 8. A drain hole 14 communicating with the filling hole 13 is provided on the side of the second sealing block 11. The drain hole 14 extends to the front of the second sealing block 11. The filling hole 13 is filled with sealant.

[0029] After the second sealing block and the second plug are inserted, sealant is injected into the second sealing groove through the filling hole on the side of the subway segment body. The sealant flows into the second sealing groove through the filling hole on the serrated edge and the leakage hole on the second sealing block, venting excess gas in the second sealing groove and fully filling the second sealing groove, further improving the sealing effect between the subway segment bodies.

[0030] Both the first insertion slot 4 and the first insertion post 5 are provided with at least three sets.

[0031] The second insertion slot 10 and the second insertion post 12 are each provided with at least two sets.

[0032] The main body of the subway segment 1 is an arc shape that matches the shape of the subway tunnel.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model within the spirit and principles of the present utility model.

Claims

1. A type of concrete subway tunnel segment, characterized in that, Including the main body of the subway tunnel segment (1); A first sealing groove (2) is provided on one side along the length of the subway tunnel segment (1), and a first sealing block (3) matching the first sealing groove (2) is provided on the other side; and a first insertion groove (4) is provided in the first sealing groove (2), and a first insertion post (5) matching the first insertion groove (4) is provided on the first sealing block (3); A second sealing groove (8) is provided on one side along the width direction of the subway segment body (1), and a second sealing block (11) matching the second sealing groove (8) is provided on the other side; and a second insertion groove (10) is provided in the second sealing groove (8), and a second insertion post (12) matching the second insertion groove (10) is provided on the second sealing block (11).

2. A concrete subway tunnel segment according to claim 1, characterized in that, The edges of the second sealing groove (8) and the second sealing block (11) are provided with matching serrated edges (9).

3. A concrete subway tunnel segment according to claim 1, characterized in that, A sealing strip (7) is provided at the edge of the first sealing groove (2).

4. A concrete subway tunnel segment according to claim 3, characterized in that, The edge of the first sealing groove (2) is also provided with a mounting groove (6) for installing the sealing strip (7).

5. A concrete subway tunnel segment according to claim 4, characterized in that, A filling hole (13) is provided on the edge of the first sealing groove (2) near the second sealing groove (8). The filling hole (13) also extends to the side of the second sealing groove (8). A leakage hole (14) communicating with the filling hole (13) is provided on the side of the second sealing block (11). The leakage hole (14) also extends to the front of the second sealing block (11).

6. A concrete subway tunnel segment according to claim 5, characterized in that, The filling hole (13) is filled with sealant.

7. A concrete subway tunnel segment according to claim 1, characterized in that, The first insertion slot (4) and the first insertion post (5) are each provided with at least three sets.

8. A concrete subway tunnel segment according to claim 1, characterized in that, The second insertion slot (10) and the second insertion post (12) are each provided with at least two sets.

9. A concrete subway tunnel segment according to claim 1, characterized in that, The main body of the subway tunnel segment (1) is an arc shape that matches the shape of the subway tunnel.

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