Tunnel reinforcing and repairing non-dismantling formwork mounting structure

Abstract

The utility model discloses a tunnel reinforcing and repairing non-dismantling formwork installation structure, which belongs to the technical field of tunnel reinforcing and repairing formworks and comprises a prefabricated formwork, a concrete pipe piece and a fixing piece, a plurality of fixing holes are arranged on the prefabricated formwork, and the fixing piece penetrates through the fixing holes to be connected onto the concrete pipe piece. According to the utility model, by designing the prefabricated template with the same shape as the concrete duct piece, during reinforcement and repair, the chemical anchor bolts are connected in the concrete duct piece by penetrating through the fixing holes, the concrete is filled between the concrete duct piece and the prefabricated template, and the concrete reinforcement layer is formed after the filled concrete is solidified; and in addition, the prefabricated formwork does not need to be disassembled after being reinforced and repaired, and the construction efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel reinforcement and repair templates, and in particular relates to a tunnel reinforcement and repair non-disassembly template installation structure. Background Art

[0002] In the field of tunnel engineering, tunnel reinforcement and maintenance work has always been a key link in ensuring the safety of tunnel structures and extending their service life.

[0003] Currently, tunnel reinforcement and repair using formwork primarily involves erecting scaffolding inside the tunnel, with workers then hoisting the heavy formwork several meters above the ground. This results in a large workload and long working hours. However, tunnel reinforcement is typically performed at night after traffic stops, and the reinforcement equipment and site must be cleared and cleaned before traffic begins the next day. This leaves only two to three hours per day for tunnel reinforcement and repair work. Consequently, traditional formwork reinforcement methods are difficult to apply to tunnel reinforcement and repair operations. Utility Model Content

[0004] The purpose of this utility model is to solve the problem of using formwork to reinforce and repair tunnels, which mainly involves setting up scaffolding inside the tunnel and then having workers lift the heavy formwork to a height of several meters to carry out the work. This results in a large workload and long working time. However, tunnel reinforcement is generally carried out at night after the vehicles stop operating, and the reinforcement equipment and site must be cleared and cleaned before the vehicles start operating the next day. Therefore, only 2 to 3 hours a day are available for tunnel reinforcement and modification work. Traditional formwork reinforcement methods are difficult to use for tunnel reinforcement and repair operations. Instead, a non-disassembly formwork installation structure for tunnel reinforcement and repair is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a tunnel reinforcement and repair non-disassembly formwork installation structure, including a prefabricated formwork, a concrete pipe segment and a fixing part, the prefabricated formwork is provided with a plurality of fixing holes, and the fixing part is connected to the concrete pipe segment through the fixing holes.

[0006] As a further description of the above technical solution:

[0007] The concrete pipe segments are provided with cross-stretching steel bars.

[0008] As a further description of the above technical solution:

[0009] A concrete reinforcement layer is filled between the concrete segments and the prefabricated formwork.

[0010] As a further description of the above technical solution:

[0011] Longitudinal seam anchor bolts are also provided in the concrete segments.

[0012] As a further description of the above technical solution:

[0013] The fixing member is a chemical anchor bolt.

[0014] As a further description of the above technical solution:

[0015] The shape of the precast formwork matches the shape of the concrete segments.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0017] In the utility model, by designing a prefabricated formwork with the same shape as the concrete pipe segment, when reinforcement and repair is performed, it is only necessary to use chemical anchor bolts to pass through the fixing holes and connect them to the concrete pipe segment, and fill concrete between the concrete pipe segment and the prefabricated formwork. After the filled concrete is solidified to form a concrete reinforcement layer, the reinforcement and repair of the concrete pipe segment can be completed, and no disassembly is required during the reinforcement and repair process, which greatly improves construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A translucent formwork installation structure for tunnel reinforcement and repair Figure 1 .

[0020] Figure 2 A translucent tunnel reinforcement and repair template installation structure Figure 2 .

[0021] Figure 3 This is a three-dimensional diagram of a tunnel reinforcement and repair non-removal formwork installation structure.

[0022] Legend:

[0023] 1- Precast formwork; 2- Concrete segments; 3- Fixing parts; 4- Fixing holes; 5- Rebar; 6- Concrete reinforcement layer; 7- Longitudinal seam anchor bolts. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0028] In the description of the embodiments of the present invention, it should be noted that the terms "upper" and "inner" etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is usually placed when in use. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0029] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0030] See also Figure 1-3The utility model provides a technical solution: a tunnel reinforcement and repair non-disassembly formwork installation structure, comprising a prefabricated formwork 1, a concrete pipe segment 2 and a fixing member 3, wherein the prefabricated formwork 1 is provided with a plurality of fixing holes 4, and the fixing member 3 is connected to the concrete pipe segment 2 through the fixing holes 4.

[0031] The concrete segments 2 are provided with cross-shaped steel bars 5, which improve the stability of the overall structure of the concrete segments.

[0032] A concrete reinforcement layer 6 is filled between the concrete segment 2 and the prefabricated formwork 1 .

[0033] The concrete segments 2 are further provided with longitudinal seam anchor bolts 7 to improve the stability of the concrete segments.

[0034] The fixing member 3 is a chemical anchor bolt. Chemical anchor bolts are easy and quick to install, requiring no complex equipment. Their rapid curing speed significantly shortens construction cycles and improves project efficiency. Furthermore, the chemical anchor bolts' bonding strength, formed through chemical reactions, and their mechanical engagement with the substrate combine to provide strong pullout and shear resistance. Their anchoring strength surpasses that of pre-embedded components, ensuring a stable and secure connection.

[0035] The shape of the prefabricated template 1 matches the shape of the concrete segment 2, making it easier to fix the fixing parts.

[0036] Working principle: By designing a prefabricated formwork with the same shape as the concrete pipe segment, when reinforcement and repair is required, only chemical anchors need to be used to pass through the fixing holes and connect to the concrete pipe segment, and concrete is filled between the concrete pipe segment and the prefabricated formwork. After the filled concrete solidifies to form a concrete reinforcement layer, the reinforcement and repair of the concrete pipe segment can be completed. No disassembly is required during the reinforcement and repair process, which greatly improves construction efficiency.

[0037] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tunnel reinforcement and repair non-disassembly template installation structure, characterized in that: The invention comprises a prefabricated template, a concrete pipe segment and a fixing piece. The prefabricated template is provided with a plurality of fixing holes. The fixing piece passes through the fixing holes and is connected to the concrete pipe segment.

2. A tunnel reinforcement and repair non-disassembly template installation structure according to claim 1, characterized in that: The concrete pipe segments are provided with cross-stretching steel bars.

3. The tunnel reinforcement and repair non-disassembly template installation structure according to claim 2 is characterized in that: A concrete reinforcement layer is filled between the concrete segments and the prefabricated formwork.

4. The tunnel reinforcement and repair non-disassembly template installation structure according to claim 1 is characterized in that: Longitudinal seam anchor bolts are also provided in the concrete segments.

5. The tunnel reinforcement and repair non-disassembly template installation structure according to claim 4 is characterized in that: The fixing member is a chemical anchor bolt.

6. The tunnel reinforcement and repair non-disassembly template installation structure according to claim 1 is characterized in that: The shape of the precast formwork matches the shape of the concrete segments.

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