Tunnel inverted arch floor heave damage deformation reinforcing structure

Abstract

The utility model belongs to the technical field of tunnel inverted arch reinforcement, and particularly relates to a tunnel inverted arch floor heave damage deformation reinforcing structure which comprises I-shaped steel, an inverted arch, a side wall and a road surface, the side wall is fixed at the upper end of the inverted arch, the road surface is laid in the side wall, the I-shaped steel is fixed at the upper end of the inverted arch, and when the inverted arch deforms, the I-shaped steel is fixed at the upper end of the inverted arch. The reinforcing device can be stably installed on the upper surface of the inverted arch, the inverted arch and the contact layer at the lower end of the inverted arch are attached and fixed, the inverted arch can be attached to the upper end of the lower-layer contact surface, and it is guaranteed that the inverted arch does not deform further; the pressing mechanism and the pressing plate are fixed, downward pressing force is applied to the pressing plate, and therefore the reinforcing effect is improved, and the reinforcing device is convenient to install and easy to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel inverted arch reinforcing technical field, concretely is a kind of tunnel inverted arch bottom disease deformation reinforcing structure. BACKGROUND

[0002] Tunnel inverted arch bottom disease refers to uneven settlement, uplift or deformation phenomenon of tunnel bottom (i.e. inverted arch part) during tunnel construction or operation due to influence of multiple factors such as geological conditions, groundwater activity, construction quality. This disease not only affects the structural safety and service life of tunnel, but also may pose a threat to driving safety, so reinforcing structure is needed to inhibit the deformation of inverted arch;

[0003] However, the existing reinforcing structure still has the following technical problems when in use:

[0004] The reinforcing effect of the existing reinforcing structure is poor, the inverted arch and the supporting ground at the lower end of the inverted arch cannot be tightly connected and fixed, and the reinforcing method of the current reinforcing structure is complex, difficult to operate and inconvenient to construct.

[0005] Therefore, a tunnel inverted arch bottom disease deformation reinforcing structure is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of tunnel inverted arch bottom disease deformation reinforcing structure to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of tunnel inverted arch bottom disease deformation reinforcing structure, including I-shaped steel, inverted arch, side wall and road surface, the side wall is fixed at the upper end of inverted arch, the road surface is laid in the inside of side wall, the I-shaped steel is fixed at the upper end of inverted arch;

[0008] The side wall of the inverted arch is provided with a strip-shaped mounting port, the I-shaped steel is located at the upper end of the strip-shaped mounting port, the side wall of the I-shaped steel is connected with the first threaded rod penetratingly, the lower end of the rod wall of the first threaded rod is fixed with a limit plate, the upper side of the limit plate is in contact with the lower side of the inverted arch, the rod wall of the first threaded rod is connected with the first fastening nut in screw thread, and the lower side of the first fastening nut is clamped with the upper side of the I-shaped steel.

[0009] The inside of the first threaded rod is provided with a second threaded rod, the lower end of the second threaded rod extends to the lower end of the inverted arch, the second threaded rods are evenly arranged, the outside of the second threaded rods is jointly fixed with a pressing plate, the upper end of the rod wall of the second threaded rod is connected with the second fastening nut in screw thread, and the lower end of the second fastening nut is in contact with the upper side of the pressing plate.

[0010] The upper side of the pressing plate is fixed with symmetrical pressing mechanisms between the side walls.

[0011] Preferably, the second threaded rod is rotatably connected with the first threaded rod, and the second threaded rod extends to the upper end of the first threaded rod and is provided with external threads.

[0012] Preferably, the front-to-rear length of the strip-shaped mounting opening is greater than the length of the limiting plate, and the left-to-right width of the strip-shaped mounting opening is less than the length of the limiting plate.

[0013] Preferably, the pressing mechanism comprises a first U-shaped block and a second U-shaped block, the first U-shaped block is fixedly connected with the side wall of the side wall, the second U-shaped block is fixedly connected with the upper side of the pressing plate, the inside of the first U-shaped block is fixedly provided with a first mounting block through bolts, the side wall of the first mounting block is fixedly provided with a first reinforcing rod, the inside of the first reinforcing rod is slidably connected with a second reinforcing rod, the other end of the second reinforcing rod is fixedly provided with a second mounting block, the second mounting block is fixedly connected with the second U-shaped block through bolts, the front side of the first reinforcing rod is rotatably connected with a fastening bolt, and one end of the fastening bolt extending to the inside of the first reinforcing rod is clamped with the side wall of the second reinforcing rod.

[0014] Preferably, the first U-shaped block is fixedly connected with the side wall through first mounting bolts, and the second U-shaped block is fixedly connected with the pressing plate through second mounting bolts.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] When the inverted arch is deformed, the reinforcing device can be stably installed on the upper surface of the inverted arch, the inverted arch and the contact layer at the lower end of the inverted arch are fixedly attached, the inverted arch can be attached to the upper end of the lower contact surface to prevent further deformation, the pressing mechanism can be installed on the side wall of the two side walls, the pressing mechanism is fixed with the pressing plate and provides a downward pressing force to the pressing plate, thereby increasing the reinforcing effect, the reinforcing device is convenient to install and simple to operate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a cooperation structural schematic diagram of the utility model with the inverted arch, the side wall and the road surface;

[0019] Figure 3 It is an enlarged structural schematic diagram of the first threaded rod, the limiting plate, the first fastening nut, the second threaded rod, the pressing plate and the second nut;

[0020] Figure 4 It is Figure 1 An enlarged structural schematic diagram of part A.

[0021] In the figure: 1 I-beam, 2 inverted arch, 3 side wall, 4 pavement, 5 first threaded rod, 6 limit plate, 7 first fastening nut, 8 second threaded rod, 9 pressing plate, 10 second fastening nut, 11 first U-shaped block, 12 second U-shaped block, 13 first mounting block, 14 first reinforcing rod, 15 second reinforcing rod, 16 second mounting block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] Embodiment:

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0026] A tunnel inverted arch bottom drum disease deformation reinforcing structure, including I-beam 1, inverted arch 2, side wall 3 and pavement 4:

[0027] The side wall 3 is fixed at the upper end of the inverted arch 2, the pavement 4 is laid inside the side wall 3, the I-beam 1 is fixed at the upper end of the inverted arch 2, and the number of I-beams 1 is not limited, three or more than three;

[0028] The side wall of the inverted arch 2 is provided with a strip-shaped mounting hole, and when the limit plate 6 penetrates the strip-shaped mounting hole and is rotated by a certain angle, the limit plate 6 is fixed at the lower end of the inverted arch 2 through the misalignment of the limit plate 6 and the strip-shaped mounting hole, the I-beam 1 is located at the upper end of the strip-shaped mounting hole, the side wall of the I-beam 1 is connected with the first threaded rod 5, the lower end of the rod wall of the first threaded rod 5 is fixed with the limit plate 6, the upper side of the limit plate 6 is in contact with the lower side of the inverted arch 2, the rod wall of the first threaded rod 5 is threadedly connected with the first fastening nut 7, the lower side of the first fastening nut 7 is clamped with the upper side of the I-beam 1, and the I-beam 1 can be stably pressed at the upper end of the inverted arch 2 through the cooperation of the first fastening nut 7 and the limit plate 6;

[0029] The first threaded rod 5 is internally provided with a second threaded rod 8, the lower end of the second threaded rod 8 extends to the lower end of the inverted arch 2, the second threaded rod 8 is uniformly arranged, the outside of the second threaded rod 8 is commonly fixed with a pressing plate 9, the upper end of the rod wall of the second threaded rod 8 is threadedly connected with a second fastening nut 10, the lower end of the second fastening nut 10 contacts the upper side of the pressing plate 9, the second threaded rod 8 penetrates the inverted arch 2 and is inserted into the ground layer at the lower end, and the second threaded rod 8 is fixed between the ground layer through concrete pouring;

[0030] The upper side of the pressing plate 9 and the side wall 3 are fixed with symmetrical pressing mechanisms, the pressing force of the side wall 3 on the pressing plate 9 can be increased through the pressing mechanisms, so that the I-shaped steel 1 can be tightly attached to the inverted arch 2, and deformation of the inverted arch 2 is avoided.

[0031] The second threaded rod 8 is rotationally connected with the first threaded rod 5, and the second threaded rod 8 extends to the upper end of the first threaded rod 5 and is provided with external threads.

[0032] The front and rear length of the strip-shaped mounting port is greater than the length of the limiting plate 6, and the left and right width of the strip-shaped mounting port is less than the length of the limiting plate 6, so that the installation and fixation of the limiting plate 6 are facilitated.

[0033] The pressing mechanism includes a first U-shaped block 11 and a second U-shaped block 12, the first U-shaped block 11 is fixedly connected with the side wall of the side wall 3, the second U-shaped block 12 is fixedly connected with the upper side of the pressing plate 9, the inside of the first U-shaped block 11 is fixedly connected with a first mounting block 13 through a bolt, the side wall of the first mounting block 13 is fixedly connected with a first reinforcing rod 14, the inside of the first reinforcing rod 14 is slidably connected with a second reinforcing rod 15, the other end of the second reinforcing rod 15 is fixedly connected with a second mounting block 16, the second mounting block 16 is fixedly connected with the second U-shaped block 12 through a bolt, the front side of the first reinforcing rod 14 is rotationally connected with a fastening bolt, one end of the fastening bolt extending to the inside of the first reinforcing rod 14 is clamped with the side wall of the second reinforcing rod 15, the side wall 3 applies a lateral pressing force to the pressing plate 9 through the pressing mechanism, the pressing plate 9 transmits the pressing force to the I-shaped steel 1, and the I-shaped steel 1 realizes stable pressing of the inverted arch 2.

[0034] The first U-shaped block 11 is fixedly connected with the side wall through a first mounting bolt, and the second U-shaped block 12 is fixedly connected with the pressing plate 9 through a second mounting bolt.

[0035] Working principle:

[0036] When the inverted arch 2 appears deformation, first, the road surface 4 above is removed, the road surface 4 can be completely removed, also can remove to a certain depth, the strip-shaped installation opening is arranged uniformly in the side wall of the inverted arch 2, the I-shaped steel 1 is fixed at the upper end of the strip-shaped installation opening, the limiting plate 6 is moved to the lower end of the inverted arch 2 after penetrating the strip-shaped installation opening, the first threaded rod 5 is rotated, so that the limiting plate 6 is horizontally rotated 90 degrees, and is clamped with the lower side of the inverted arch 2, the first fastening nut 7 is tightened, so that the I-shaped steel 1 is stably pressed at the upper end of the inverted arch 2, and the first threaded rod 5 is inserted into the ground inside the lower end of the inverted arch 2, and the first threaded rod 5 and the ground at the bottom are fixed by pouring cement, the pressing plate 9 is arranged at the upper end of the second threaded rod 8, the second fastening nut 10 is screwed outside the second threaded rod 8, the pressing plate 9 is tightly connected with the second threaded rod 8 and the first threaded rod 5, finally, the pressing mechanism is installed and fixed on the inner wall of the two side walls 3, and the lower end of the pressing mechanism is connected and fixed with the upper side of the pressing plate 9, so that the pressing plate 9 has a downward pressing force, finally, the road surface 4 is continued to be laid at the upper end of the entire reinforcing structure.

[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, any figure reference in the claims should not be regarded as limiting the involved claims.

[0038] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A reinforcement structure for tunnel invert arch bottom bulging deformation, comprising an I-beam (1), an invert arch (2), sidewalls (3), and a road surface (4), characterized in that: The side wall (3) is fixed to the upper end of the inverted arch (2), the road surface (4) is laid inside the side wall (3), and the I-beam (1) is fixed to the upper end of the inverted arch (2); The side wall of the inverted arch (2) is provided with a strip-shaped installation opening. The I-beam (1) is located at the upper end of the strip-shaped installation opening. The side wall of the I-beam (1) is connected to a first threaded rod (5). The lower end of the first threaded rod (5) is fixed with a limiting plate (6). The upper side of the limiting plate (6) is in contact with the lower side of the inverted arch (2). The first threaded rod (5) is threadedly connected with a first fastening nut (7). The lower side of the first fastening nut (7) is engaged with the upper side of the I-beam (1). The first threaded rod (5) is provided with a second threaded rod (8) inside. The lower end of the second threaded rod (8) extends to the lower end of the inverted arch (2). The second threaded rods (8) are evenly arranged. The pressure plate (9) is fixed to the outside of the second threaded rods (8). The upper end of the second threaded rod (8) is threaded with a second fastening nut (10). The lower end of the second fastening nut (10) contacts the upper side of the pressure plate (9). A symmetrical pressing mechanism is fixed between the upper side of the pressure plate (9) and the side wall (3).

2. The tunnel invert arch bottom bulge deformation reinforcement structure according to claim 1, characterized in that: The second threaded rod (8) is rotatably connected to the first threaded rod (5), and the second threaded rod (8) extends to the upper end of the first threaded rod (5) and is provided with external threads.

3. The tunnel invert arch bottom bulge deformation reinforcement structure according to claim 1, characterized in that: The front-to-back length of the strip-shaped mounting opening is greater than the length of the limiting plate (6), and the left-to-right width of the strip-shaped mounting opening is less than the length of the limiting plate (6).

4. The tunnel invert arch bottom bulge deformation reinforcement structure according to claim 1, characterized in that: The pressing mechanism includes a first U-shaped block (11) and a second U-shaped block (12). The first U-shaped block (11) is fixedly connected to the side wall of the side wall (3), and the second U-shaped block (12) is fixedly connected to the upper side of the pressure plate (9). The first U-shaped block (11) is fixed with a first mounting block (13) by bolts. The side wall of the first mounting block (13) is fixed with a first reinforcing rod (14). The first reinforcing rod (14) is slidably connected with a second reinforcing rod (15). The other end of the second reinforcing rod (15) is fixed with a second mounting block (16). The second mounting block (16) is fixedly connected to the second U-shaped block (12) by bolts. The front side of the first reinforcing rod (14) is rotatably connected with a fastening bolt. One end of the fastening bolt extends into the interior of the first reinforcing rod (14) and engages with the side wall of the second reinforcing rod (15).

5. The tunnel invert arch bottom bulge deformation reinforcement structure according to claim 4, characterized in that: The first U-shaped block (11) is fixedly connected to the side wall by the first mounting bolt, and the second U-shaped block (12) is fixedly connected to the pressure plate (9) by the second mounting bolt.

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