CN220248119U

CN220248119U - Rich water fault tunnel collapses chamber filling structure

Info

Publication number: CN220248119U
Application number: CN202321827762.XU
Authority: CN
Inventors: 熊子君; 陈钻欣; 陈会明; 朱开杨; 许静芝
Original assignee: Foshan City Construction Engineering Co ltd
Current assignee: Foshan City Construction Engineering Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2023-12-26
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a cavity collapse filling structure of a water-rich fault tunnel, which comprises a bottom plate, wherein a mounting plate is arranged above the middle part of the bottom plate, the upper surface of the bottom plate is provided with a lifting assembly for driving the mounting plate to move along the vertical direction, the upper surface of the mounting plate is fixedly connected with a hollow upright post, and a movable post is connected in the hollow upright post in a sliding manner. The arc plate can seal the collapse cavity, firstly, concrete is poured into the collapse cavity through the grouting pipe at the lowest position until the upper end of the grouting pipe at the lowest position is buried, so that the bottom of the collapse cavity is sealed and filled, after the concrete is solidified, the rest grouting pipes are repeatedly subjected to the operation, and fly ash and foam light soil are sequentially filled from low to high, and according to the light weight and solidification cementation of the fly ash. The foam lightweight soil has the characteristics of lightweight property, self-tightness, self-standing property, good fluidity and the like, well solves the difficult problem of cavity collapse filling of tunnels, has high efficacy and stable quality, and saves labor force and cost.

Description

Rich water fault tunnel collapses chamber filling structure

Technical Field

The utility model relates to the technical field of repairing of collapsed cavities of tunnels, in particular to a collapsed cavity filling structure of a water-rich fault tunnel.

Background

The tunnel passes through the mountain inevitably encounters bad geology such as fault, and when the tunnel passes through the fault, the soil at the fault is loose, the loose rock mass at the bottom of the collapse cavity basically has no self-supporting capability, and meanwhile, the potential stress is released too fast, so that a large number of loose bodies fall off, and collapse is extremely easy to cause in a water-rich layer, so that the collapse cavity at the fault is required to be filled and repaired.

At present, the filling mode adopts modes such as concrete backfilling or cement slurry filling, and the whole collapse cavity is filled at one time, and because the cement concrete and cement slurry for treating the collapse cavity have large volume, larger collapse cavity filling is easier to generate larger stress concentration, the local deformation risk on primary support and secondary village structures is increased, and the practicability is poor.

Disclosure of Invention

The present utility model aims to solve the above problems and provide a water-rich fault tunnel cavity collapse filling structure, which is described in detail below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a cavity collapse filling structure of a water-rich fault tunnel, which comprises a bottom plate, wherein a mounting plate is arranged above the middle part of the bottom plate, a lifting assembly for driving the mounting plate to move along the vertical direction is arranged on the upper surface of the bottom plate, a hollow upright post is fixedly connected to the upper surface of the mounting plate, a movable column is connected in a sliding manner in the hollow upright post, an inserting assembly for fixing the position of the movable column is arranged at the upper end of the side wall of the hollow upright post, vertical plates are fixedly connected to the two sides of the upper end of the movable column, the upper ends of the two vertical plates are rotatably connected with the same arc plate, a plurality of pipe penetrating holes are formed in the arc plate, grouting pipes are inserted into each pipe penetrating hole, and an extruding assembly for fixing the position of each grouting pipe is arranged at the lower side of each pipe penetrating hole.

By adopting the filling structure for the cavity of the water-rich fault tunnel, firstly, the fixed anchor rods are driven into the inner wall of the cavity, then the bottom plate is installed on the ground of the tunnel, then the movable columns are lifted to drive the arc plates to rise, then the movable columns are fixed through the plug-in components, coarse adjustment is achieved, at the moment, a certain distance is reserved between the arc plates and the cavity, then the lifting components drive the mounting plates to rise, fine adjustment is completed, at the moment, the arc plates are attached to the radian of the inner wall of the tunnel and are completely attached to the cavity to be blocked, a plurality of grouting pipes are inserted into the inner part of the cavity from the pipe holes to be collapsed, the height is fixed through the extrusion components, at the moment, the ends of the grouting pipes are distributed in a step shape (shown in reference to fig. 5) at the inner part of the cavity to be collapsed, firstly, concrete is poured into the inner part of the cavity through the grouting pipe at the lowest part until the upper end of the grouting pipe is buried, the bottom part is enabled to fill the bottom of the cavity, after the concrete is solidified, the operation is repeated, and fly ash and foam soil are sequentially filled from low to high, so that the cavity filling is completed.

Preferably, the lifting assembly comprises a groove formed in the middle of the bottom plate, a bidirectional screw rod is rotationally connected in the groove, two sides of the bidirectional screw rod are connected with square screw sleeves in a threaded mode, a linkage rod is arranged between the two square screw sleeves and the mounting plate, and two ends of the linkage rod are rotationally connected with the mounting plate and the square screw sleeves respectively.

Preferably, slide bar holes are formed in four corners of the mounting plate, and four vertical rods sleeved in the slide bar holes are fixedly connected to the upper surface of the bottom plate.

Preferably, the hollow upright post and the movable post are square in design and are in clearance fit.

Preferably, the plug assembly comprises a plug hole formed in the upper end of the side wall of the hollow upright post, a plug is inserted into the plug hole, and a plurality of positioning holes which are inserted with the plug are formed in the side wall of the movable post.

Preferably, the end part of the bolt is fixedly connected with a magnet which is magnetically connected with the iron hollow upright post.

Preferably, the extrusion assembly comprises a fixed sleeve fixedly connected to the inner cambered surface of the arc plate, the fixed sleeve and the pipe penetrating hole are designed coaxially, a bolt hole is formed in the side wall of the fixed sleeve, a bolt is connected to the bolt hole in a threaded mode, and the end portion of the bolt is abutted to the surface of the grouting pipe.

Preferably, fixing holes are formed in four corners of the bottom plate.

The beneficial effects are that:

the arc plate can seal the collapse cavity, firstly, concrete is poured into the collapse cavity through the grouting pipe at the lowest position until the upper end of the grouting pipe at the lowest position is buried, so that the bottom of the collapse cavity is sealed and filled, after the concrete is solidified, the rest grouting pipes are repeatedly subjected to the operation, and fly ash and foam light soil are sequentially filled from low to high, and according to the light weight and solidification cementation of the fly ash. The foam lightweight soil has the characteristics of lightweight property, self-tightness, self-standing property, good fluidity and the like, well solves the difficult problem of cavity collapse filling of tunnels, has high efficacy and stable quality, and saves labor force and cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the base plate of the present utility model;

FIG. 3 is a split perspective view of the plug assembly of the present utility model;

fig. 4 is a bottom perspective view of the arcuate plate of the present utility model.

FIG. 5 is a schematic diagram of the collapse fill concept of the present utility model.

The reference numerals are explained as follows:

1. a bottom plate; 2. a mounting plate; 3. a lifting assembly; 3a, grooves; 3b, a bidirectional screw; 3c, square screw sleeve; 3d, a linkage rod; 4. a plug assembly; 4a, a bolt hole; 4b, a bolt; 4c, positioning holes; 4d, a magnet; 5. an extrusion assembly; 5a, fixing the sleeve; 5b, bolt holes; 5c, a bolt; 6. a hollow upright; 7. a movable column; 8. a vertical plate; 9. an arc-shaped plate; 10. penetrating the pipe hole; 11. grouting pipe; 12. a slide bar hole; 13. a vertical rod; 14. and a fixing hole.

Description of the embodiments

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-4, the utility model provides a water-rich fault tunnel cavity collapse filling structure, which comprises a bottom plate 1, wherein a mounting plate 2 is arranged above the middle part of the bottom plate 1, a lifting component 3 for driving the mounting plate 2 to move along the vertical direction is arranged on the upper surface of the bottom plate 1, a hollow upright post 6 is fixedly connected to the upper surface of the mounting plate 2, a movable post 7 is slidingly connected in the hollow upright post 6, a plug-in component 4 for fixing the position of the movable post 7 is arranged at the upper end of the side wall of the hollow upright post 6, vertical plates 8 are fixedly connected to the two sides of the upper end of the movable post 7, the upper ends of the two vertical plates 8 are rotationally connected with the same arc-shaped plate 9, a plurality of pipe penetrating holes 10 are formed in the arc-shaped plate 9, grouting pipes 11 are spliced in each pipe penetrating holes 10, and an extrusion component 5 for fixing the position of the grouting pipes 11 is arranged on the lower side of each pipe penetrating hole 10.

Referring to fig. 2, the lifting assembly 3 includes a groove 3a formed in the middle of the bottom plate 1, a bidirectional screw rod 3b is rotationally connected to the groove 3a, two sides of the bidirectional screw rod 3b are respectively and threadably connected to a square screw sleeve 3c, a linkage rod 3d is respectively arranged between the two square screw sleeves 3c and the mounting plate 2, two ends of the linkage rod 3d are respectively rotationally connected with the mounting plate 2 and the square screw sleeve 3c, when the bidirectional screw rod 3b is rotated, the square screw sleeves 3c at two sides simultaneously drive the lower ends of the linkage rods 3d at two sides to be close to each other, and at the same time, the upper ends of the linkage rods 3d at two sides drive the mounting plate 2 to move upwards, so as to finish fine adjustment of the height of the arc plate 9.

Further, slide bar holes 12 are all seted up at the four corners of mounting panel 2, and the upper surface fixedly connected with of bottom plate 1 four cover are established in the pole setting 13 in slide bar hole 12, can make mounting panel 2 more stable when carrying out vertical movement.

Referring to fig. 3, the plug assembly 4 includes a plug hole 4a formed at the upper end of the side wall of the hollow upright 6, a plug 4b is plugged in the plug hole 4a, a plurality of positioning holes 4c plugged with the plug 4b are formed in the side wall of the movable column 7, a magnet 4d is fixedly connected to the end of the plug 4b, the magnet 4d is magnetically attracted to the hollow upright 6 made of iron, the hollow upright 6 is in square design and is in clearance fit with the movable column 7, the square hollow upright 6 and the movable column 7 can enable the arc 9 to be more stable when the height is adjusted, meanwhile, after the movable column 7 moves, the plug 4b is simultaneously plugged into the plug hole 4a and the positioning holes 4c, the height adjustment of the movable column 7 is completed, and meanwhile, the plug 4b is prevented from falling off under the magnetic force of the magnet 4 d.

Referring to fig. 4, the extrusion assembly 5 includes a fixing sleeve 5a fixedly connected to the inner arc surface of the arc plate 9, the fixing sleeve 5a and the pipe penetrating hole 10 are designed coaxially, a bolt hole 5b is formed in the side wall of the fixing sleeve 5a, a bolt 5c is connected to the bolt hole 5b in a threaded manner, the end of the bolt 5c abuts against the surface of the grouting pipe 11, and after the grouting pipe 11 moves, the bolt 5c is rotated to move in the bolt hole 5b until the end abuts against the surface of the grouting pipe 11 to extrude, so that the height of the grouting pipe 11 is fixed.

Specifically, the four corners of the bottom plate 1 are provided with the fixing holes 14, and the bottom plate 1 can be fixedly arranged on the ground of a tunnel through the fixing holes 14, so that the follow-up operation is convenient.

By adopting the structure, firstly, fixed anchor rods are driven into the inner wall of the collapse cavity, then the bottom plate 1 is installed on the ground of a tunnel, then the movable column 7 is lifted to drive the arc plate 9 to rise, then the movable column is fixed through the plug-in assembly 4, coarse adjustment is achieved, at the moment, the arc plate 9 is still a certain distance away from the collapse cavity, then the lifting assembly 3 drives the mounting plate 2 to rise, fine adjustment is completed, at the moment, the arc plate 9 is attached to the radian of the inner wall of the tunnel and the collapse cavity is completely attached and blocked, then a plurality of grouting pipes 11 are inserted into the inner part of the collapse cavity from the pipe holes 10 and are fixed in height through the extrusion assembly 5, at the moment, the end parts of the grouting pipes 11 are distributed in a step shape in the inner part of the collapse cavity (shown in reference to fig. 5), firstly, concrete is poured into the inner part of the collapse cavity through the grouting pipe 11 at the lowest part until the upper end of the grouting pipe 11 is buried at the lowest part, the bottom part is filled, after the concrete is solidified, the rest grouting pipes 11 are sequentially filled with fly ash and foam light soil is sequentially filled from low to high, the whole weight can be filled up, and the whole weight of the fly ash can be relieved.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a rich water fault tunnel collapses chamber filling structure which characterized in that: including bottom plate (1), the middle part top of bottom plate (1) is equipped with mounting panel (2), and the upper surface of bottom plate (1) is provided with lift assembly (3) that are used for driving mounting panel (2) along vertical direction and remove, the last fixed surface of mounting panel (2) is connected with hollow stand (6), sliding connection has movable column (7) in hollow stand (6), and the lateral wall upper end of this hollow stand (6) is provided with grafting subassembly (4) that are used for fixing movable column (7) position, the equal fixedly connected with riser (8) in upper end both sides of movable column (7), and the upper end rotation of two these risers (8) is connected with same arc (9), a plurality of poling hole (10) have been seted up on arc (9), all peg graft in every poling hole (10) have slip casting pipe (11), every the downside of poling hole (10) all is provided with extrusion subassembly (5) that are used for fixing slip casting pipe (11) position.

2. The water-rich fault tunnel cavity collapse filling structure according to claim 1, wherein: the lifting assembly (3) comprises a groove (3 a) formed in the middle of the bottom plate (1), a bidirectional screw rod (3 b) is rotationally connected to the groove (3 a), square screw sleeves (3 c) are connected to two sides of the bidirectional screw rod (3 b) in a threaded mode, a linkage rod (3 d) is arranged between the two square screw sleeves (3 c) and the mounting plate (2), and two ends of the linkage rod (3 d) are rotationally connected with the mounting plate (2) and the square screw sleeves (3 c) respectively.

3. The water-rich fault tunnel cavity collapse filling structure according to claim 2, wherein: slide bar holes (12) are formed in four corners of the mounting plate (2), and four upright rods (13) sleeved in the slide bar holes (12) are fixedly connected to the upper surface of the bottom plate (1).

4. The water-rich fault tunnel cavity collapse filling structure according to claim 1, wherein: the hollow upright post (6) and the movable post (7) are square in design and are in clearance fit.

5. The water-rich fault tunnel cavity collapse filling structure according to claim 1, wherein: the plug assembly (4) comprises a plug hole (4 a) formed in the upper end of the side wall of the hollow upright post (6), a plug (4 b) is plugged in the plug hole (4 a), and a plurality of positioning holes (4 c) plugged with the plug (4 b) are formed in the side wall of the movable post (7).

6. The water-rich fault tunnel cavity collapse filling structure according to claim 5, wherein: the end part of the bolt (4 b) is fixedly connected with a magnet (4 d), and the magnet (4 d) is magnetically connected with an iron hollow upright post (6).

7. The water-rich fault tunnel cavity collapse filling structure according to claim 1, wherein: the extrusion assembly (5) comprises a fixed sleeve (5 a) fixedly connected to the inner cambered surface of the arc-shaped plate (9), the fixed sleeve (5 a) and the pipe penetrating hole (10) are designed coaxially, a bolt hole (5 b) is formed in the side wall of the fixed sleeve (5 a), a bolt (5 c) is connected to the bolt hole (5 b) in a threaded mode, and the end portion of the bolt (5 c) is abutted to the surface of the grouting pipe (11).

8. The water-rich fault tunnel cavity collapse filling structure according to claim 1, wherein: fixing holes (14) are formed in four corners of the bottom plate (1).