CN215444067U - Shallow section country rock reinforced structure that buries of subtropical zone moist climate district tunnel entrance to a cave - Google Patents

Shallow section country rock reinforced structure that buries of subtropical zone moist climate district tunnel entrance to a cave Download PDF

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Publication number
CN215444067U
CN215444067U CN202121621224.6U CN202121621224U CN215444067U CN 215444067 U CN215444067 U CN 215444067U CN 202121621224 U CN202121621224 U CN 202121621224U CN 215444067 U CN215444067 U CN 215444067U
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CN
China
Prior art keywords
fixed
support frame
stand
shallow
tunnel
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Expired - Fee Related
Application number
CN202121621224.6U
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Chinese (zh)
Inventor
田晓
王昭琨
李海泉
马西尧
韩克磊
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China Communications Road And Bridge Construction Co ltd Overseas Branch
Road and Bridge International Co Ltd
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China Communications Road And Bridge Construction Co ltd Overseas Branch
Road and Bridge International Co Ltd
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Application filed by China Communications Road And Bridge Construction Co ltd Overseas Branch, Road and Bridge International Co Ltd filed Critical China Communications Road And Bridge Construction Co ltd Overseas Branch
Priority to CN202121621224.6U priority Critical patent/CN215444067U/en
Application granted granted Critical
Publication of CN215444067U publication Critical patent/CN215444067U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a surrounding rock reinforcing structure of a shallow buried section of a tunnel portal in a subtropical humid climate zone, which comprises two bottom plates, wherein the two bottom plates are respectively arranged on two sides of the inner wall of a tunnel, an upright post A is fixed at the top of each bottom plate, a support frame A is fixed at the top of each upright post A, a plurality of transverse ribs are fixed between the two support frames A and are uniformly distributed, a reinforcement cage is arranged between the two transverse ribs, an upright post B is arranged between the two upright posts A and is fixed at the top of each bottom plate, a support frame B is fixed at the top of each upright post B, the top of each support frame B is fixed with the reinforcement cage through short shafts, and a support column is fixed between the two adjacent short shafts. The utility model solves the problems that the structural stability of the existing tunnel portal shallow-buried section surrounding rock reinforcing structure needs to be enhanced and the fixing work of the reinforcing structure is troublesome in the using process.

Description

Shallow section country rock reinforced structure that buries of subtropical zone moist climate district tunnel entrance to a cave
Technical Field
The utility model relates to the technical field of surrounding rock reinforcement, in particular to a surrounding rock reinforcement structure for a shallow buried section of a tunnel portal in a subtropical humid climate zone.
Background
Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, the tunnel is built in weak surrounding rock with poor geological conditions, and the key of design and construction is to prevent large settlement deformation in the construction process.
The characteristic of subtropical zone humid climate is that the climate humid precipitation is more, so when the tunnel is built in the subtropical zone humid climate area, the support to the inner wall of the tunnel is particularly important, especially the shallow buried section of the tunnel portal, if the surrounding rock of the shallow buried section of the tunnel portal is not well reinforced and supported, the collapse is easy to happen.
The shallow section country rock reinforced structure of burying of current tunnel portal is at the in-process that uses, and its structural stability is waited to strengthen to also be comparatively troublesome to this reinforced structure's fixed work, consequently can not satisfy the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surrounding rock reinforcing structure for a shallow buried section of a tunnel portal in a subtropical zone humid climate area, so as to solve the technical problem.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a shallow section country rock reinforced structure that buries of moist climate zone tunnel entrance to a cave of subtropical zone, includes two bottom plates, two the bottom plate sets up respectively in the both sides of tunnel inner wall, the top of bottom plate is fixed with stand A, stand A's top is fixed with support frame A to be fixed with horizontal muscle between two support frame A, horizontal muscle is provided with a plurality ofly and distributes evenly, two be provided with the steel reinforcement cage between the horizontal muscle, two be provided with stand B between the stand A to stand B is fixed in the top of bottom plate, stand B's top is fixed with support frame B to it is fixed mutually through the minor axis between support frame B's top and the steel reinforcement cage to be fixed with the pillar between two adjacent minor axes.
Preferably: support frame A and support frame B all are the arc to support frame B sets up in support frame A's bottom.
Preferably: the support frame A, the support frame B and the transverse ribs are all steel structures, and the steel reinforcement cage is poured by concrete after being installed.
Preferably: and a mounting seat is fixed between the upright A and the upright B, and the mounting seat and the bottom plate are fixed with the bottom of the inner wall of the tunnel through the barbed pile A.
Preferably: the mounting hole has all been seted up to stand A and stand B's side to stand A and stand B are fixed in the side of tunnel inner wall through mounting hole and thorn stake B.
Preferably: and the top of the inner side of the support frame B is fixed with a hanging piece, and a hanging rod is arranged between two adjacent hanging pieces.
The utility model has the beneficial effects that:
1. according to the utility model, the support frames A and B are arranged into the arc shapes matched with the inner wall of the tunnel, so that the installation is convenient, meanwhile, the arc-shaped support structure is relatively stable, and the support frames A and B are arranged at intervals, so that a stable triangular support structure is formed between the support frame B and two adjacent support frames A, and the support effect is ensured.
2. According to the utility model, through the arrangement of the hanging pieces and the hanging rods, the reinforced structure is not influenced, meanwhile, the later stage of installing some decoration or lamp and other device structures in the tunnel can be facilitated, the connection strength between the reinforced structure and the weiqi rock is further improved through the arrangement of the mounting holes and the barbed piles B, and the effect of stabilizing the structure and the weiqi rock is improved.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention.
Reference numerals: 1. a base plate; 2. a column A; 3. a support frame A; 4. transverse ribs; 5. a reinforcement cage; 6. a column B; 7. a support frame B; 8. a minor axis; 9. a pillar; 10. a mounting seat; 11. pricking a pile A; 12. mounting holes; 13. pricking a pile B; 14. hanging parts; 15. a hanging rod.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, a shallow buried section surrounding rock reinforcing structure of a tunnel portal in a subtropical humid climate zone comprises two bottom plates 1, wherein the two bottom plates 1 are respectively arranged at two sides of the inner wall of a tunnel, a column a2 is fixed at the top of each bottom plate 1, a support frame A3 is fixed at the top of each column a2, a transverse rib 4 is fixed between the two support frames A3, the transverse ribs 4 are provided with a plurality of uniformly distributed transverse ribs 4, a reinforcement cage 5 is arranged between the two transverse ribs 4, a column B6 is arranged between the two columns a2, a column B6 is fixed at the top of each bottom plate 1, a support frame B7 is fixed at the top of each column B6, the top of each support frame B7 is fixed with the reinforcement cage 5 through a short shaft 8, a strut 9 is fixed between the two adjacent short shafts 8, each support frame A3 and each support frame B7 are arc-shaped, a support frame B7 is arranged at the bottom of a support frame A3, each support frame A3, each support frame B7 and each transverse rib 4 are all of a steel structure, after the steel reinforcement cage 5 is installed, concrete is poured, the mounting seat 10 is fixed between the upright A2 and the upright B6, and the mounting seat 10 and the bottom plate 1 are fixed with the bottom of the inner wall of the tunnel through the stabbing piles A11.
When the reinforcing mechanism is used specifically, firstly, two bottom plates 1 are respectively fixed at the bottoms of two sides of the inner wall of a tunnel through the stabbing piles A11, then support frames A3 are fixed at the tops of two opposite upright posts A2, a transverse rib 4 and a reinforcement cage 5 are arranged between two adjacent support frames A3, then concrete is used for pouring, after pouring is completed, support frames B7 are fixed at the tops of two opposite upright posts B6, poured concrete is locally supported, the integral strength of the reinforcing mechanism is improved, the support frames A3 and the support frames B7 are arranged into arcs matched with the inner wall of the tunnel, the reinforcing mechanism is convenient to install, meanwhile, the arc-shaped support structure is stable, and a stable triangular support structure is formed between the support frames B7 and the two adjacent support frames A3 due to the arrangement of the support frames A3 and the support frames B7 at intervals, and the support effect is guaranteed.
EXAMPLE 2
As shown in fig. 1-2: in the case where the other portions are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: mounting hole 12 has all been seted up to the side of stand A2 and stand B6, and stand A2 and stand B6 are fixed in the side of tunnel inner wall through mounting hole 12 and stabbing stake B13, the inboard top of support frame B7 is fixed with pendant 14, and be provided with peg 15 between two adjacent pendants 14, setting through pendant 14 and peg 15, when not producing the influence to reinforced structure, can make things convenient for the later stage at some devices structures such as decoration or lamps and lanterns of tunnel internally mounted, the setting through mounting hole 12 and stabbing stake B13 has further improved the joint strength between this reinforced structure and the weifu rock, improve the effect of the firm country rock of this structure.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a shallow section country rock reinforced structure of burying of subtropical zone moist climate district tunnel entrance to a cave, includes two bottom plates (1), its characterized in that: two bottom plate (1) sets up respectively in the both sides of tunnel inner wall, the top of bottom plate (1) is fixed with stand A (2), the top of stand A (2) is fixed with support frame A (3) to be fixed with horizontal muscle (4) between two support frame A (3), horizontal muscle (4) are provided with a plurality ofly and distribute evenly, two be provided with steel reinforcement cage (5) between horizontal muscle (4), two be provided with stand B (6) between stand A (2), and stand B (6) are fixed in the top of bottom plate (1), the top of stand B (6) is fixed with support frame B (7) to be fixed mutually through minor axis (8) between the top of support frame B (7) and steel reinforcement cage (5), and be fixed with pillar (9) between two adjacent minor axis (8).
2. The subtropical humid climate zone tunnel portal shallow-buried section surrounding rock reinforcing structure of claim 1, wherein: support frame A (3) and support frame B (7) all are the arc to support frame B (7) set up in the bottom of support frame A (3).
3. The subtropical humid climate zone tunnel portal shallow-buried section surrounding rock reinforcing structure of claim 1, wherein: the support frame A (3), the support frame B (7) and the transverse ribs (4) are all steel structures, and the reinforcement cage (5) is installed and then poured by concrete.
4. The subtropical humid climate zone tunnel portal shallow-buried section surrounding rock reinforcing structure of claim 1, wherein: and an installation seat (10) is fixed between the upright A (2) and the upright B (6), and the installation seat (10) and the bottom plate (1) are fixed with the bottom of the inner wall of the tunnel through a stabbing pile A (11).
5. The subtropical humid climate zone tunnel portal shallow-buried section surrounding rock reinforcing structure of claim 1, wherein: mounting hole (12) have all been seted up to the side of stand A (2) and stand B (6) to stand A (2) and stand B (6) are fixed in the side of tunnel inner wall through mounting hole (12) and thorn stake B (13).
6. The subtropical humid climate zone tunnel portal shallow-buried section surrounding rock reinforcing structure of claim 1, wherein: hanging pieces (14) are fixed to the top of the inner side of the supporting frame B (7), and a hanging rod (15) is arranged between every two adjacent hanging pieces (14).
CN202121621224.6U 2021-07-16 2021-07-16 Shallow section country rock reinforced structure that buries of subtropical zone moist climate district tunnel entrance to a cave Expired - Fee Related CN215444067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121621224.6U CN215444067U (en) 2021-07-16 2021-07-16 Shallow section country rock reinforced structure that buries of subtropical zone moist climate district tunnel entrance to a cave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121621224.6U CN215444067U (en) 2021-07-16 2021-07-16 Shallow section country rock reinforced structure that buries of subtropical zone moist climate district tunnel entrance to a cave

Publications (1)

Publication Number Publication Date
CN215444067U true CN215444067U (en) 2022-01-07

Family

ID=79682565

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121621224.6U Expired - Fee Related CN215444067U (en) 2021-07-16 2021-07-16 Shallow section country rock reinforced structure that buries of subtropical zone moist climate district tunnel entrance to a cave

Country Status (1)

Country Link
CN (1) CN215444067U (en)

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Granted publication date: 20220107