CN221299194U - Landslide section tunnel reinforcing apparatus - Google Patents

Abstract

The utility model discloses a landslide section tunnel reinforcing device which comprises a tunnel main body, wherein the tunnel main body comprises an outer vertical surface layer, a lining reinforcing layer and a protective steel frame, the outer vertical surface layer is arranged on the outer surface of the lining reinforcing layer, the protective steel frame is attached and fixed on the inner side surface wall of the lining reinforcing layer, the lining reinforcing layer comprises a concrete reinforcing layer, a steel arch reinforcing layer and a re-spraying concrete protective layer, the concrete reinforcing layer is arranged on the outer surface of the steel arch reinforcing layer, the re-spraying concrete protective layer is arranged on the inner side surface of the steel arch reinforcing layer, and the protective steel frame comprises a steel truss and a carbon steel net. According to the utility model, the inside of the tunnel main body is reinforced, designed and protected, and the lining reinforcing layer is matched with the protection steel frame, so that the integral structural strength of the tunnel can be improved, the landslide collapse phenomenon of the outside of the tunnel can be prevented, and meanwhile, the two sides of the bottom of the tunnel are reinforced and protected, so that a stable integral protection structure is formed with the tunnel, and the collapse damage phenomenon of the tunnel can be further avoided.

Description

Landslide section tunnel reinforcing apparatus

Technical Field

The utility model relates to the technical field of tunnel reinforcement, in particular to a landslide section tunnel reinforcement device.

Background

The landslide section tunnel reinforcing device is a measure for reinforcing the expressway tunnel, and due to the limitation of terrain conditions, the device cannot avoid crossing special strata such as a landslide body, a weak breaking belt and the like, and the landslide is one of the most main geological disasters, has the characteristics of diversity, complexity, large harm and the like, and needs to reinforce the inside of the tunnel through the landslide section tunnel reinforcing device.

The Chinese issued patent document with the bulletin number of CN212318026U discloses a landslide section tunnel reinforcing device, which comprises a steel plate, wherein a steel bar connecting block is fixedly arranged at the top of the steel plate, a fixed connecting block positioned at one side of the steel plate is fixedly arranged at one side of the steel bar connecting block, a convex block positioned at one side of the steel plate is fixedly arranged at one side of the fixed connecting block, a groove positioned at the other side of the steel plate is formed in one side of the convex block, a steel bar connecting hole positioned in the steel bar connecting block is formed in one side of the groove, and steel bars are fixedly arranged at one side of the steel bar connecting hole; this landslide section tunnel reinforcing apparatus through being provided with reinforcing bar, steel sheet, reinforcing bar connecting block, reinforcing bar connecting hole, when using, at first with the inside of the reinforcing bar connecting hole of seting up of reinforcing bar connecting block inside of steel sheet top installation, makes the steel sheet pass through reinforcing bar fixed connection, when dismantling, with the reinforcing bar connecting hole of seting up of steel sheet through top fixed mounting's reinforcing bar connecting block inside, takes off from the one end of reinforcing bar.

The landslide section tunnel reinforcing device in the prior art cannot guarantee the structural strength of tunnel installation, and the load bearing capacity of the tunnel is poor easily, so that a novel landslide section tunnel reinforcing device needs to be developed.

Disclosure of utility model

The utility model aims to provide a landslide section tunnel reinforcing device, which solves the problems that the prior landslide section tunnel reinforcing device in the prior art cannot guarantee the structural strength of tunnel installation and is easy to cause poor load bearing capacity of a tunnel.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a landslide section tunnel reinforcing apparatus, includes the tunnel main part, the tunnel main part includes outer face layer, lining reinforcing layer and protection steelframe, and outer face layer sets up the surface at lining reinforcing layer, and the inboard surface wall at lining reinforcing layer is fixed in the laminating of protection steelframe, lining reinforcing layer includes concrete reinforcing layer, steel bow member reinforcing layer and compound shotcrete protective layer, and concrete reinforcing layer sets up the surface at steel bow member reinforcing layer, and compound shotcrete protective layer sets up the inboard surface at steel bow member reinforcing layer, the protection steelframe includes steel truss and carbon steel mesh, and carbon steel mesh interweaves and fixes on steel truss.

Based on the above, the steel truss girder and the carbon steel net are fixedly connected through arc welding.

Based on the above, the bottom both sides of tunnel main part are installed and are consolidated the platen, consolidate the side surface of platen and be provided with the protection side wall.

Based on the above, the bottom of the reinforcement platen is provided with the supporting table, and the bottom of the supporting table is provided with the supporting pad.

Based on the above, the inside bottom position of tunnel main part is provided with reinforcement bottom plate and bearing basis respectively.

Based on the above, consolidate the bottom plate setting and at the upper surface of bearing basis, consolidate the inside of bottom plate and be provided with concrete reinforcement mixed structure, the both sides surface of bearing basis is closely laminated fixedly with the brace table.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the inside of the tunnel main body is reinforced, designed and protected, the lining reinforcing layer is arranged to be matched with the protective steel frame, so that the integral structural strength of the tunnel can be improved, the landslide collapse phenomenon of the outside of the tunnel can be prevented, and meanwhile, the two sides of the bottom of the tunnel are reinforced and protected, so that a stable integral protective structure is formed between the tunnel and the tunnel, the tunnel can bear larger pressure load, and the collapse damage phenomenon of the tunnel can be further avoided.

Drawings

FIG. 1 is an overall front view of the present utility model;

FIG. 2 is a schematic diagram of the composition structure of the lining reinforcing layer of the utility model;

FIG. 3 is a schematic view of the structure of the steel frame according to the present utility model.

In the figure: 1. a protective steel frame; 2. lining a reinforcing layer; 3. an outer standing surface layer; 4. a tunnel body; 5. reinforcing the bedplate; 6. a support table; 7. a support backing plate; 8. a protective side wall; 9. a bearing foundation; 10. reinforcing the bottom panel; 11. a concrete reinforcing layer; 12. a steel arch reinforcement layer; 13. re-spraying a concrete protective layer; 14. steel truss girder; 15. a carbon steel net.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a landslide section tunnel reinforcing apparatus, including tunnel main part 4, tunnel main part 4 includes outer facade layer 3, lining reinforcing layer 2 and protection steelframe 1, outer facade layer 3 sets up the surface at lining reinforcing layer 2, the inboard surface wall at lining reinforcing layer 2 is fixed in the laminating of protection steelframe 1, lining reinforcing layer 2 includes concrete reinforcing layer 11, steel bow member reinforcing layer 12 and compound shotcrete protective layer 13, concrete reinforcing layer 11 sets up the surface at steel bow member reinforcing layer 12, compound shotcrete protective layer 13 sets up the inboard surface at steel bow member reinforcing layer 12, protection steelframe 1 includes steel truss 14 and carbon steel net 15, carbon steel net 15 interweaves and fixes on steel truss 14.

Further, the steel truss girder 14 and the carbon steel net 15 are fixedly connected by arc welding.

Further, reinforcing pallets 5 are installed on both sides of the bottom of the tunnel body 4, and the side surfaces of the reinforcing pallets 5 are provided with protective side walls 8.

Further, a support table 6 is installed at the bottom end of the reinforcing platen 5, and a support pad 7 is provided at the bottom of the support table 6.

Further, a reinforcing bottom panel 10 and a load-bearing foundation 9 are respectively provided at the bottom end positions inside the tunnel body 4.

Further, consolidate the top surface that bottom plate 10 set up at bearing foundation 9, consolidate the inside of bottom plate 10 and be provided with concrete reinforcement mixed structure, the both sides surface of bearing foundation 9 is closely laminated fixedly with brace table 6.

Working principle: when in use, the tunnel main body 4 comprises an outer vertical surface layer 3, a lining reinforcing layer 2 and a protective steel frame 1, wherein the outer vertical surface layer 3 is arranged on the outer surface of the lining reinforcing layer 2, the protective steel frame 1 is fixedly attached to the inner side surface wall of the lining reinforcing layer 2, the lining reinforcing layer 2 comprises a concrete reinforcing layer 11, a steel arch reinforcing layer 12 and a re-spraying concrete protective layer 13, the integral structural strength of the tunnel can be improved through the arrangement of the lining reinforcing layer 2 and the protective steel frame 1, the landslide collapse phenomenon of the outside of the tunnel can be prevented, the lining reinforcing layer 2 comprises the concrete reinforcing layer 11, the steel arch reinforcing layer 12 and the re-spraying concrete protective layer 13, the tunnel main body 4 can be promoted to have stronger compression resistance and bearing capacity by utilizing the double-layer concrete reinforcing structure to be matched with the steel arch reinforcing layer 12, the protective steel frame 1 comprises a steel truss 14 and a carbon steel net 15, the carbon steel net 15 is interweaved and fixed on the steel truss girder 14, through being provided with the protection steelframe 1 structure, can further improve the compressive load bearing capacity of tunnel, the reinforcing platen 5 is installed to the bottom both sides of tunnel main part 4, the side surface of reinforcing platen 5 is provided with protection side wall 8, supporting bench 6 is installed to the bottom of reinforcing platen 5, the bottom of supporting bench 6 is provided with supporting pad 7, the inside of reinforcing bottom panel 10 is provided with concrete reinforcement mixed structure, the both sides surface of bearing foundation 9 is closely laminated fixedly with supporting bench 6, through strengthening the protection to tunnel bottom both sides, be provided with protection side wall 8, reinforcing platen 5 and bearing foundation 9, make it form a stable whole protective structure with tunnel main part 4, make the tunnel can bear great pressure load, further avoid it to take place to collapse damage phenomenon.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Standard parts used in the document of the application can be purchased from the market, the specific connection modes of the parts are connected by adopting conventional means such as mature bolts, rivets and welding in the prior art, and the machines, the parts and the equipment are of conventional types in the prior art, and the circuit connection adopts the conventional connection modes in the prior art, so that the specific description is not made.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a landslide section tunnel reinforcing apparatus, includes tunnel main part (4), its characterized in that, tunnel main part (4) include outer standing surface course (3), lining reinforcing layer (2) and protection steelframe (1), and outer standing surface course (3) set up the surface at lining reinforcing layer (2), and the inboard surface wall at lining reinforcing layer (2) is fixed in protection steelframe (1) laminating, lining reinforcing layer (2) include concrete reinforcing layer (11), steel arch reinforcing layer (12) and compound shotcrete protective layer (13), and concrete reinforcing layer (11) set up the surface at steel arch reinforcing layer (12), compound shotcrete protective layer (13) set up the inboard surface at steel arch reinforcing layer (12), protection steelframe (1) include steel truss (14) and carbon steel truss (15), and carbon steel truss (15) interweave and fix on steel truss (14).

2. A landslide section tunnel reinforcing apparatus according to claim 1, wherein: the steel truss girder (14) is fixedly connected with the carbon steel net (15) through arc welding.

3. A landslide section tunnel reinforcing apparatus according to claim 1, wherein: the reinforced bedplate (5) is installed on two sides of the bottom of the tunnel main body (4), and the side surface of the reinforced bedplate (5) is provided with a protection side edge wall (8).

4. A landslide section tunnel reinforcing apparatus according to claim 3, wherein: the bottom of the reinforcement bedplate (5) is provided with a supporting table (6), and the bottom of the supporting table (6) is provided with a supporting base plate (7).

5. A landslide section tunnel reinforcing apparatus according to claim 1, wherein: the bottom end position inside the tunnel main body (4) is respectively provided with a reinforced bottom panel (10) and a bearing foundation (9).

6. A landslide section tunnel reinforcing apparatus according to claim 5, wherein: the reinforced bottom panel (10) is arranged on the upper surface of the bearing foundation (9), a concrete reinforcing steel bar mixed structure is arranged in the reinforced bottom panel (10), and the two side surfaces of the bearing foundation (9) are tightly attached and fixed with the supporting table (6).