Transverse intercepting ditch structure of underpass tunnel

By designing an embedded transverse intercepting ditch in the underpass tunnel and using an integral cover plate and drainage hole structure, the problems of noise pollution and structural damage were solved, achieving noise reduction and improved structural stability.

CN223723862UActive Publication Date: 2025-12-26SOUTHWEST MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE OF CHINA
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Patent Information

Application Number
CN202423216592.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-26
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing drainage ditches in urban underpasses generate significant noise pollution when vehicles pass through, and conventional drainage ditches are aesthetically unappealing and easily damaged.

Method used

Design a transverse intercepting ditch structure for an underpass tunnel, including a ditch body embedded in a concrete structure and an integral cover plate. The cover plate is provided with drainage holes, and the cover plate is coplanar with the concrete structure. The connection is enhanced by a π-shaped structure and a U-shaped slot. Metal materials are used to reduce noise and prevent loosening.

Benefits of technology

It effectively reduces noise pollution when vehicles pass by, enhances the structural robustness and aesthetics, and avoids increased noise caused by loose cover plates.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tunnel engineering, and particularly discloses an underpass tunnel transverse intercepting ditch structure which comprises a ditch body which is installed in a concrete structure in an embedded mode and arranged in the X-axis direction, cover plates which are installed on the ditch body and connected with one another to form a whole and a plurality of sets of drainage holes formed in the cover plates. The top face of the cover plate and the top face of the concrete structure are coplanar. The water intercepting function is achieved through the arrangement of the drainage holes, and extra noise generated when a vehicle passes through the water intercepting ditch is greatly reduced by arranging the cover plate to be of an integral structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel engineering technical field more particularly relates to a kind of underpass tunnel transverse water intercepting ditch structure. BACKGROUND

[0002] In prior art in city underpass tunnel, full opening type steel expansion joint water intercepting ditch or iron water intercepting ditch is often used for intercepting water;Full opening type steel expansion joint water intercepting ditch is full opening, its top cannot be set with waterproof rubber strip and waterproof caulking glue etc. The facility for reducing noise, when vehicle passes through steel expansion joint, the noise generated is much larger than the noise when vehicle passes through non-expansion joint road surface, when heavy vehicle is passed, the noise generated often exceeds limit, cause greater noise pollution, seriously affect the normal rest of surrounding residents.2, conventional iron water intercepting ditch is seriously affected in appearance due to its large size, and is easily damaged, and the top rainwater grate is prone to loosen, once loosen, the noise generated will be much larger than full opening type steel expansion joint. SUMMARY

[0003] The utility model solves the technical problems that a kind of underpass tunnel transverse water intercepting ditch structure is provided, under the premise of meeting the water intercepting function, the extra noise generated when vehicle passes through transverse water intercepting ditch is greatly reduced;

[0004] The utility model solves the technical problems by the following solutions:

[0005] A kind of underpass tunnel transverse water intercepting ditch structure, including the ditch body embeddedly installed in concrete structure and being arranged along X axis direction, cover plate being installed on ditch body and being connected to form a whole, and the multiple groups of drainage holes being arranged in cover plate;The top surface of the cover plate is coplanar with the top surface of the concrete structure.

[0006] In some possible implementation manners, the cover plate is π-shaped structure, and the insertion slot in communication with the drainage hole is arranged at the bottom of the cover plate.

[0007] In some possible implementation manners, the groove is arranged on the two side surfaces of the cover plate along X axis direction.

[0008] In some possible implementation manners, the insertion slot is U-shaped structure, and the opening of the insertion slot is arranged on the side close to the ditch body;The top of the ditch body is located in the insertion slot and is connected and fixed with the inner side surface of the insertion slot.

[0009] In some possible implementation manners, the ditch body includes the body with opening two on the side close to the cover plate and the cross section being large at the bottom and small at the top, and the two groups of connecting plates being installed on the body and being located in the insertion slot;Opening one in communication with opening two is formed between the two groups of connecting plates.

[0010] In some possible implementation manners, the body comprises a groove in a U-shaped cross-section structure, and the engaging plates are arranged on the groove in a splayed structure; two groups of the engaging plates form two openings with a gradually increasing size from top to bottom on one side close to each other; the engaging plates are arranged in one-to-one correspondence with the connecting plates, and the engaging plates are connected with the connecting plates at one end away from the groove.

[0011] In some possible implementation manners, two groups of the connecting plates are connected with the inner side surfaces of the insertion grooves on one side away from each other.

[0012] In some possible implementation manners, the concrete structure comprises reinforced concrete and steel fiber concrete arranged on the reinforced concrete; the body is arranged in the reinforced concrete, the engaging plates extend into the steel fiber concrete through the reinforced concrete, and the cover plates are embeddedly arranged in the steel fiber concrete and coplanar with the top surface of the steel fiber concrete.

[0013] In some possible implementation manners, the drainage holes are in a square or circular structure.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The utility model discloses a drainage hole is arranged to meet the water interception function, and the cover plate is arranged as an integral structure to greatly reduce the additional noise generated by the vehicle passing through the transverse water interception ditch.

[0016] The utility model discloses that the cross section of the cover plate is arranged as a π-shaped structure, thereby effectively increasing the connecting surface between the cover plate and the steel fiber concrete, avoiding the loosening of the cover plate under the long-term action of the vehicle, and further avoiding the noise generated due to the loosening of the cover plate.

[0017] The utility model discloses simple structure and strong practicality. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the cross section schematic view of the utility model;

[0019] Figure 2 It is the cross section schematic view of the utility model; Figure 1 It is the enlarged view of A in the utility model;

[0020] Figure 3 It is the cross section view of the cover plate in the utility model;

[0021] Figure 4 It is the cross section view of the groove body in the utility model

[0022] Figure 5 It is the plan view of the utility model;

[0023] Wherein: 1, the groove body; 11, the body; 111, the groove; 112, the adapter plate; 1121, opening two; 12, the connecting plate; 121, opening one; 2, the cover plate; 21, the drain hole; 22, the slot; 23, the recess; 101, reinforced concrete; 102, steel fiber reinforced concrete. DETAILED DESCRIPTION

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. The "first", "second" and similar words mentioned in the present application do not represent any order, quantity or importance, but only distinguish different components. Similarly, "one" or "a" and the like do not represent a quantity limit, but represent the existence of at least one. In the implementation of the present application, the association relationship of the associated objects is described as "and / or", which means that there can be three relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. For example, a plurality of positioning columns means two or more positioning columns. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The present application will be described in detail below.

[0026] As shown in Figures 1-5

[0027] A cross tunnel transverse water interception ditch structure, including embeddedly installed in concrete structure and arranged along X axis direction groove body 1, installed on the groove body 1 and mutually connected to form a whole cover plate 2, and a plurality of groups of drain holes 21 arranged on the cover plate 2;The top surface of the cover plate 2 is coplanar with the top surface of the concrete structure.

[0028] The cover plate 2 is a whole structure, and a plurality of groups of drain holes 21 are arranged on the cover plate 2, water enters the groove body 1 from the drain hole 21, and is transported to the drain ditch communicated with the end of the groove body 1 for drainage;The cover plate 2 is integrally arranged, which avoids the noise caused by the mutual contact and extrusion of adjacent two cover plates 2 under the action of vehicles when vehicles pass;

[0029] Further, in order to make the present application have good firmness, the cover plate 2 and the groove body 1 are made of metal material.

[0030] ​In some possible implementation manners, in order to effectively realize the connection and fixation of the cover plate 2 and the concrete structure, and avoid loosening of the cover plate 2 due to long-term action of the vehicle on the cover plate 2, the cover plate 2 is in a π-shaped structure, and an insertion slot 22 in communication with the drainage hole 21 is arranged at the bottom of the cover plate 2; the insertion slot 22 is arranged to effectively realize the connection of the groove body 1 and the cover plate 2, so that the two form an integral whole, and the separation structure is avoided from being in contact and extrusion to emit noise under the action of the vehicle.

[0031] In some possible implementation manners, in order to avoid loosening of the cover plate 2 after long-term use, grooves 23 are arranged on the two sides of the cover plate 2 along the X-axis direction.

[0032] Specifically, the openings of the two groups of grooves 23 are arranged away from each other on one side; in this way, the concrete structure can be partially filled into the grooves 23 during pouring, so that the connection surface between the two is larger, and loosening is avoided.

[0033] In some possible implementation manners, the insertion slot 22 is in a U-shaped structure, and the opening thereof is arranged on the side close to the groove body 1; the top of the groove body 1 is located in the insertion slot 22 and is connected and fixed with the inner side of the insertion slot 22.

[0034] Further, the top of the groove body 1 is located in the insertion slot 22, and the groove body 1 and the cover plate 2 are connected to form an integral whole by welding; water enters the groove body 1 after passing through the drainage hole 21 and the top of the groove body 1, and then flows to the drainage ditch for drainage.

[0035] In some possible implementation manners, the groove body 1 includes a body 11 having an opening two 1121 on the side close to the cover plate 2 and in a structure of large bottom and small top, and two groups of connecting plates 12 installed on the body 11 and located in the insertion slot 22; an opening one 121 in communication with the opening two 1121 is formed between the two groups of connecting plates 12.

[0036] The body 11 is arranged in the structure of small top and large bottom, so that the top of the groove body 1 can be inserted into the insertion slot 22 and connected with the cover plate 2; the two groups of connecting plates 12 are symmetrically arranged along the X-axis direction, the opening one 121 is formed between the two groups of connecting plates 12, and the opening one 121 is located directly above the opening two 1121; water enters the body 11 through the opening one 121 and the opening two 1121 in sequence, and then is drained through the drainage ditch.

[0037] In some possible implementation manners, the body 11 includes a groove 111 in a U-shaped structure in cross section, and an abutment plate 112 installed on the groove 111 and in a spread-finger structure; the two groups of abutment plates 112 are arranged away from each other on one side to form the opening two 1121 in the structure of small top and large bottom; the abutment plate 112 is arranged in one-to-one correspondence with the connecting plate 12, and the end of the abutment plate 112 away from the groove 111 is connected with the connecting plate 12.

[0038] The two ends of the groove 111 are communicated with the drainage ditch; the top of the two groups of connecting plates 112 are connected with the two groups of connecting plates 12 respectively, and the bottom is connected with the top of the U-shaped structure groove 111.

[0039] In some possible embodiments, the concrete structure comprises reinforced concrete 101 and steel fiber concrete 102 on the reinforced concrete 101; the body 11 is located in the reinforced concrete 101, the connecting plate 112 extends into the steel fiber concrete 102 through the reinforced concrete 101; and the cover plate 2 is embeddedly installed in the steel fiber concrete 102 and is coplanar with the top surface of the steel fiber concrete 102.

[0040] In some possible embodiments, the drainage hole 21 is in a square or circular structure.

[0041] Further, the drainage holes 21 are arranged in two rows along the X-axis direction, the drainage holes 21 in each row are in groups, the drainage holes 21 in each row are arranged at equal intervals, and the distance between the two adjacent groups of drainage holes 21 is 3-6 mm.

[0042] The utility model is not limited to the foregoing specific embodiments. The utility model extends to any new feature or any new combination disclosed in the specification, and any new method or process step or any new combination.

Claims

1. A below-grade tunnel transverse catch basin configuration, characterized by, The utility model provides a drain body embedded in a concrete structure and arranged along the X-axis direction, a cover plate arranged on the drain body and connected to form a whole, and a plurality of groups of drainage holes arranged on the cover plate; the top surface of the cover plate is coplanar with the top surface of the concrete structure.

2. A below-grade tunnel transverse gutter configuration according to claim 1, wherein, The cover plate is in a π-shaped structure, and an insertion slot is arranged at the bottom of the cover plate and communicates with the drainage hole.

3. A cross-culvert trench configuration according to claim 2, wherein, Grooves are arranged on the two sides of the cover plate along the X-axis direction.

4. A below-grade tunnel transverse gutter configuration according to claim 2, wherein, The insertion slot is in a U-shaped structure, and the opening of the insertion slot is arranged on the side close to the drain body; the top of the drain body is located in the insertion slot and is connected and fixed with the inner side of the insertion slot.

5. A below-grade tunnel transverse gutter configuration according to claim 1, wherein, The drain body comprises a body with two openings and a large-bottom-small-top cross section arranged on the side close to the cover plate, and two groups of connecting plates arranged on the body and located in the insertion slot; an opening one is formed between the two groups of connecting plates and communicates with the opening two.

6. A cross-culvert trench configuration according to claim 5, wherein, The body comprises a groove in a U-shaped structure, and an engaging plate in a spread-finger-shaped structure arranged on the groove; the two groups of engaging plates are arranged on the side close to each other and form an opening two with a small-top-big-bottom structure; the engaging plate is arranged in one-to-one correspondence with the connecting plate, and the end of the engaging plate away from the groove is connected with the connecting plate.

7. A cross-culvert trench configuration according to claim 5, wherein, The two groups of connecting plates are connected with the inner side of the insertion slot on the side away from each other.

8. A cross-culvert trench configuration according to claim 6, wherein, The concrete structure comprises a reinforced concrete and a steel fiber concrete arranged on the reinforced concrete; the body is located in the reinforced concrete, the engaging plate penetrates through the reinforced concrete and extends into the steel fiber concrete, and the cover plate is embedded in the steel fiber concrete and coplanar with the top surface of the steel fiber concrete.

9. A below-grade tunnel transverse gutter configuration according to claim 1, wherein, The drainage hole is in a square or circular structure.