Connection channel reinforcing construction structure

By reinforcing the connecting passage with a combination of support frames, arc rods, and high-strength screw wires, the problems of water and sand inrush and structural collapse during construction were solved, achieving a low-cost and safe construction effect.

CN223806152UActive Publication Date: 2026-01-16CHINA RAILWAY NO 8 ENG GRP CO LTD +2
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Patent Information

Application Number
CN202520753266.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-01-16
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

The existing connecting passage construction structure is prone to accidents such as water and sand inrush and structural collapse after construction is completed, and the construction cost is high, making it difficult to balance the construction period and cost.

Method used

The structure adopts a combination of support frame, arc rod, reinforced diagonal brace and high-strength screw wire. Through the cooperation of support frame and arc rod, first and second reinforced diagonal braces are added. The connection of high-strength screw and wire forms a stable arc surface, and concrete is poured to reinforce the connecting passage.

Benefits of technology

It effectively prevents water and sand inrush and structural collapse accidents, reduces construction costs, and eliminates the need for additional reinforcement later, ensuring project safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223806152U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of underground engineering reinforcement, in particular to a connection channel reinforcement construction structure which comprises a connection channel body, a supporting frame is arranged on the inner wall of the connection channel body, a bottom inclined strut is fixedly connected to the surface of the supporting frame, an arc-shaped rod is fixedly connected to the surface of the bottom inclined strut, and the arc-shaped rod is fixedly connected to the inner wall of the connection channel body. And a first reinforcing inclined strut is fixedly connected to the surface of the arc-shaped rod. The supporting frames are placed in the connecting channel body and are reinforced through the bottom inclined struts, the arc-shaped rods, the first reinforcing inclined struts and the second reinforcing inclined struts, the high-strength steel wires are straightened on the multiple sets of supporting frames through the high-strength screws and the limiting nuts, concrete is poured on the cambered surfaces formed by the high-strength steel wires and the supporting frames, and therefore the connecting channel is formed. And the reinforcing construction structure is low in construction cost, and additional reinforcement is not needed in the later period.
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Description

TECHNICAL FIELD

[0001] The utility model relates to underground engineering reinforcing technical field, concretely is a kind of communication passage reinforcing construction structure. BACKGROUND

[0002] Between two groups of shield tunnels, blasting method or mechanical excavation method is used to create a communication passage, which is a transverse passage set between two subway tunnels, and plays a role in passenger safety evacuation, tunnel drainage, fire prevention and firefighting.

[0003] The communication passage construction is prone to water and sand gushing, structure collapse and other accidents after completion due to strong stratum permeability and poor stability, which seriously threatens the safety of the project. Although the freezing method can form a water-resisting and consolidating barrier by stratum freezing, the construction cost is high (high consumption of liquid nitrogen and high equipment investment), and the installation of freezing pipes requires occupying the passage space, affecting the later structure construction. In addition, the stratum strength decay after thawing also needs additional reinforcement. Therefore, a communication passage reinforcing construction structure is designed, which has low construction cost and does not require additional reinforcement in the later stage. SUMMARY

[0004] The utility model aims to provide a kind of communication passage reinforcing construction structure to solve the problem of existing communication passage reinforcing construction structure in the above background technology, which cannot balance construction period and construction cost.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of communication passage reinforcing construction structure: including communication passage body, the inner wall of the communication passage body is provided with support frame, the surface of the support frame is fixedly connected with bottom inclined brace, the surface of the bottom inclined brace is fixedly connected with arc-shaped rod, the surface of the arc-shaped rod is fixedly connected with first reinforcing inclined brace, the surface of the arc-shaped rod is fixedly connected with second reinforcing inclined brace, the first reinforcing inclined brace is fixedly connected on support frame at the end away from arc-shaped rod, the second reinforcing inclined brace is fixedly connected on support frame at the end away from arc-shaped rod, the surface of the support frame is connected with high-strength screw through hole, the surface of the high-strength screw is fixedly connected with high-strength steel wire, the surface of the high-strength screw is threadedly connected with limit nut.

[0006] Preferably, the bottom inclined brace is provided with four groups, and the bottom of the two sides of the support frame is supported by the bottom inclined brace.

[0007] Preferably, the support frame is provided with multiple groups and is linearly and uniformly arranged on the inner wall of the communication passage body.

[0008] Preferably, the top curvature of the support frame is greater than the curvature of the arc-shaped rod, and the top of the support frame and the arc-shaped rod are distributed in a crescent shape.

[0009] Preferably, the second reinforcing diagonal brace is provided with two groups, and the two groups of second reinforcing diagonal braces are distributed in an "eight" shape between the support frame and the arc-shaped rod, the first reinforcing diagonal brace is provided with two groups, and the two groups of first reinforcing diagonal braces are distributed in an inverted "eight" shape.

[0010] Preferably, a circular hole is formed on the surface of the support frame, the high-strength screw rod is inserted into the circular hole of the support frame, and the high-strength steel wire penetrates through the circular holes of the plurality of support frames.

[0011] Preferably, the high-strength screw rod and the high-strength steel wire are provided in multiple groups, and the high-strength screw rod and the high-strength steel wire are uniformly distributed on the surfaces of the multiple support frames, and the arc surface formed by the high-strength steel wire and the support frame is used for reinforcing the concrete.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The reinforcing construction structure is placed in the contact passage body, the bottom diagonal brace supports the bottom of the support frame, the top of the support frame is reinforced with the arc-shaped rod, the first reinforcing diagonal brace and the second reinforcing diagonal brace are arranged between the support frame and the arc-shaped rod to improve the structural strength, the high-strength screw rod is inserted into the support frames at the two ends of the multiple support frames, the high-strength steel wire penetrates through all the support frames in the middle, the high-strength steel wire is straightened on the multiple support frames by rotating the limiting nut on the high-strength screw rod, the arc surface formed by the high-strength steel wire and the support frame is used for pouring the concrete, the reinforcing construction structure can prevent water and sand from gushing, the structure from collapsing and the like, and the safety of the project is ensured, and the reinforcing construction structure has low construction cost and does not need additional reinforcement in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a front view schematic diagram of the overall structure of the utility model;

[0016] Figure 3 It is a front view schematic diagram of the overall structure of the utility model;

[0017] Figure 4 It is a front view schematic diagram of the overall structure of the utility model; Figure 1 It is an enlarged structure schematic diagram of position A in the utility model;

[0018] Figure 5 It is an enlarged structure schematic diagram of position A in the utility model; Figure 3 It is an enlarged structure schematic diagram of position B in the utility model.

[0019] In the figure: 1, the contact passage body; 2, support frame; 21, bottom diagonal brace; 22, arc-shaped rod; 23, first reinforcing diagonal brace; 24, second reinforcing diagonal brace; 3, high-strength screw; 31, high-strength steel wire; 32, limiting nut. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-5 An embodiment provided by the utility model:

[0021] A contact passage reinforcing construction structure: comprising a contact passage body 1, a support frame 2 is arranged on the inner wall of the contact passage body 1, a bottom diagonal brace 21 is fixedly connected to the surface of the support frame 2, an arc-shaped rod 22 is fixedly connected to the surface of the bottom diagonal brace 21, a first reinforcing diagonal brace 23 is fixedly connected to the surface of the arc-shaped rod 22, a second reinforcing diagonal brace 24 is fixedly connected to the surface of the arc-shaped rod 22, one end of the first reinforcing diagonal brace 23 away from the arc-shaped rod 22 is fixedly connected to the support frame 2, one end of the second reinforcing diagonal brace 24 away from the arc-shaped rod 22 is fixedly connected to the support frame 2, a high-strength screw 3 is perforatedly connected to the surface of the support frame 2, a high-strength steel wire 31 is fixedly connected to the surface of the high-strength screw 3, and a limiting nut 32 is threadedly connected to the surface of the high-strength screw 3, the construction reinforcing structure has low construction cost and does not need additional reinforcement in the later period.

[0022] Further, the bottom diagonal brace 21 is provided with four groups, and the four groups of bottom diagonal braces 21 are evenly distributed at both ends of the support frame 2, two groups are arranged at each end, the bottom of the support frame 2 is supported by the bottom diagonal brace 21, the stability of the support frame 2 is ensured at the bottom of the support frame 2, the contact passage body 1 between the two groups of shield tunnels, and the contact passage body 1 blasted or mechanically excavated can place the support frame 2 on the inner wall of the contact passage body 1, and then fill and line the contact passage body 1.

[0023] Further, the support frame 2 is provided with multiple groups and is linearly and evenly arranged on the inner wall of the contact passage body 1, the multiple groups of support frames 2 reinforce the contact passage body 1 on the inner wall of the contact passage body 1, and accidents such as water and sand gushing and structure collapse are avoided.

[0024] Further, the top arc of the support frame 2 is greater than the arc of the arc-shaped rod 22, the top of the support frame 2 and the arc-shaped rod 22 are in a crescent shape, the arc-shaped rod 22 strengthens the structural strength of the top of the support frame 2, and the space between the top of the support frame 2 and the arc-shaped rod 22 is small.

[0025] Further, the second reinforcing diagonal brace 24 is provided with two groups, and the two groups of second reinforcing diagonal brace 24 are distributed in the shape of "eight" between the support frame 2 and the arc-shaped rod 22. The first reinforcing diagonal brace 23 is provided with two groups, and the two groups of first reinforcing diagonal brace 23 are distributed in the shape of inverted "eight". The second reinforcing diagonal brace 24 and the first reinforcing diagonal brace 23 improve the structural strength of the top of the support frame 2 between the support frame 2 and the arc-shaped rod 22, and can effectively support the top of the contact passage body 1.

[0026] Further, a circular hole is formed on the surface of the support frame 2, the high-strength screw rod 3 is inserted into the circular hole of the support frame 2, and the high-strength steel wire 31 penetrates through the circular holes of multiple groups of support frames 2 at the same time. The high-strength steel wire 31 cooperates with the high-strength screw rod 3 to connect multiple groups of support frames 2 together, thereby improving the overall support strength of the support frame 2.

[0027] Further, the high-strength screw rod 3 and the high-strength steel wire 31 are provided in multiple groups, and the high-strength screw rod 3 and the high-strength steel wire 31 are evenly distributed on the surface of the multiple groups of support frames 2. The arc surface formed by the high-strength steel wire 31 and the support frame 2 cooperates with the concrete to reinforce, and is used during pouring, so as to form a strong arc surface support on the top of the contact passage body 1, and cope with water and sand gushing, structural collapse and other accidents.

[0028] Working principle: The contact passage body 1 is excavated by blasting or mechanical excavation, so that the support frame 2 can be placed inside the contact passage body 1, the bottom diagonal brace 21 supports the bottom of the support frame 2, the top of the support frame 2 cooperates with the arc-shaped rod 22 for reinforcement, and the first reinforcing diagonal brace 23 and the second reinforcing diagonal brace 24 are added between the support frame 2 and the arc-shaped rod 22 to improve the structural strength. At the same time, the high-strength screw rod 3 is inserted into the support frames 2 at both ends of the multiple groups of support frames 2, and the high-strength steel wire 31 penetrates through all the support frames 2 in the middle. Then, the limiting nut 32 is rotated on the high-strength screw rod 3, so that the high-strength steel wire 31 is straightened on the multiple groups of support frames 2. At this time, the arc surface formed by the high-strength steel wire 31 and the support frame 2 is poured with concrete, so that the reinforced construction structure can cope with water and sand gushing, structural collapse and other accidents, ensuring the safety of the project. Moreover, the reinforced construction structure has low construction cost and does not need additional reinforcement in the later period.

Claims

1. A catwalk reinforcement construction structure, characterized by: The utility model provides a communication passage body (1) is provided with support frame (2) on the inner wall, the surface of support frame (2) is fixedly connected with bottom inclined brace (21), the surface of bottom inclined brace (21) is fixedly connected with arc rod (22), the surface of arc rod (22) is fixedly connected with first reinforcing inclined brace (23), the surface of arc rod (22) is fixedly connected with second reinforcing inclined brace (24), the one end of first reinforcing inclined brace (23) away from arc rod (22) is fixedly connected on support frame (2), the one end of second reinforcing inclined brace (24) away from arc rod (22) is fixedly connected on support frame (2), the surface of support frame (2) is connected with high strength screw rod (3) with the hole, the surface of high strength screw rod (3) is fixedly connected with high strength steel wire (31), the surface of high strength screw rod (3) is threadedly connected with limit nut (32).

2. A construction structure for reinforcing a liaison passage according to claim 1, characterized in that: The bottom inclined brace (21) is provided with four groups, and the bottom of the two sides of the support frame (2) is supported by the bottom inclined brace (21).

3. A construction structure for reinforcing a connection passage according to claim 1, characterized in that: The support frame (2) is provided with multiple groups and is linearly and uniformly arranged on the inner wall of the communication passage body (1).

4. A construction structure for reinforcing a liaison passage according to claim 1, characterized in that: The top arc of the support frame (2) is greater than the arc of the arc rod (22), and the top of the support frame (2) and the arc rod (22) are in a crescent shape.

5. A construction structure for reinforcing a liaison passage according to claim 1, characterized in that: The second reinforcing inclined brace (24) is provided with two groups, and the two groups of second reinforcing inclined braces (24) are in an "eight" shape between the support frame (2) and the arc rod (22), and the first reinforcing inclined brace (23) is provided with two groups, and the two groups of first reinforcing inclined braces (23) are in an inverted "eight" shape.

6. A construction structure for reinforcing a liaison passage according to claim 1, characterized in that: The surface of the support frame (2) is provided with a circular hole, the high strength screw rod (3) is inserted into the circular hole of the support frame (2), and the high strength steel wire (31) penetrates through the circular holes of multiple support frames (2) at the same time.

7. A construction structure for reinforcing a connection passage according to claim 6, characterized in that: The high strength screw rod (3) and the high strength steel wire (31) are provided with multiple groups, and the high strength screw rod (3) and the high strength steel wire (31) are uniformly distributed on the surface of the multiple support frames (2), and the high strength steel wire (31) and the support frame (2) form an arc surface to cooperate with concrete for reinforcement.