CN220849716U - Supporting structure for ultra-shallow buried weak surrounding rock tunnel construction - Google Patents
Supporting structure for ultra-shallow buried weak surrounding rock tunnel construction Download PDFInfo
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- CN220849716U CN220849716U CN202322598605.2U CN202322598605U CN220849716U CN 220849716 U CN220849716 U CN 220849716U CN 202322598605 U CN202322598605 U CN 202322598605U CN 220849716 U CN220849716 U CN 220849716U
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- rods
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- surrounding rock
- weak surrounding
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 56
- 239000011435 rock Substances 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a supporting structure for ultra-shallow buried weak surrounding rock tunnel construction, which comprises two strip-shaped plates, wherein supporting mechanisms are arranged on the strip-shaped plates and comprise three supporting rods fixedly arranged on the upper surfaces of the strip-shaped plates, arc-shaped rods are fixedly arranged at the tops of the supporting rods, cross rods are fixedly arranged between every two adjacent supporting rods, a first steel wire net sheet is fixedly arranged on the surface of each cross rod, and fixing rods are fixedly arranged on the inner sides of the arc-shaped rods. This supporting construction of super shallow weak surrounding rock tunnel construction is equipped with the bracing piece through being equipped with on the strip shaped plate, is equipped with the arc pole on the bracing piece, is equipped with tripod, support horizontal pole and No. two steel wire meshes in the arc pole inboard, and then can improve supporting mechanism's supporting effect, has solved current supporting construction and only supported weak surrounding rock through the stock, in case the tunnel takes place the large tracts of land to collapse the stock and takes place deformation very easily, leads to the problem of supporting effect variation.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a supporting structure for ultra-shallow buried weak surrounding rock tunnel construction.
Background
The weak surrounding rock refers to a rock or soil layer encountered in a tunnel or underground engineering, and has poor mechanical properties, low strength, easy deformation and damage, low compressive strength, low shear strength and low tensile strength, easy damage and deformation, the weak surrounding rock generally has high water content, poor stability, easy water seepage and softening, uneven spatial distribution of physical properties and mechanical properties of the weak surrounding rock, large variability, easy deformation and settlement under the action of external force, unstable structure and easy water flushing and water pressure problems due to the large porosity of the weak surrounding rock, and corresponding supporting measures and reinforcing measures are needed in the construction of the weak surrounding rock to ensure the safety and stability of the engineering.
However, the existing supporting structure only supports weak surrounding rock through the anchor rod, and once the tunnel collapses in a large area, the top of the anchor rod can bear larger pressure to easily deform, so that the supporting effect is poor.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a supporting structure for the construction of an ultra-shallow buried weak surrounding rock tunnel, which has the advantage of good supporting effect, and solves the problem that the supporting effect is poor because the weak surrounding rock is supported only through an anchor rod in the existing supporting structure, once the tunnel collapses in a large area, the anchor rod is easy to deform.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the supporting structure for the ultra-shallow buried weak surrounding rock tunnel construction comprises two strip-shaped plates, wherein supporting mechanisms are arranged on the strip-shaped plates;
The supporting mechanism comprises supporting rods which are fixedly arranged on the upper surface of a strip-shaped plate and are three in number, arc rods are fixedly arranged at the tops of the supporting rods, cross rods are fixedly arranged between every two adjacent supporting rods, a first steel wire mesh sheet is fixedly arranged on the surface of each cross rod, a fixing rod is fixedly arranged on the inner side of each arc rod, a tripod is fixedly arranged on the surface of each fixing rod, the tops of the tripod are fixedly connected with the inner side surface of each arc rod, supporting cross rods are fixedly arranged between every two adjacent arc rods, and a second steel wire mesh sheet is fixedly arranged between every two adjacent supporting cross rods.
Further, a plurality of support plates are fixedly arranged between the opposite side surfaces of the two strip-shaped plates.
Furthermore, the lower surface of the strip-shaped plate is fixedly provided with a plurality of ground inserts, and the spacing between every two adjacent ground inserts is equal.
Further, the support rod surface fixed mounting has triangle reinforcing plate, triangle reinforcing plate and strip shaped plate upper surface fixed connection.
Further, the outer side surface of the supporting rod is fixedly provided with two reinforcing rods.
Further, the apertures of the first steel wire mesh sheet and the second steel wire mesh sheet are not more than three centimeters.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
This supporting construction of super shallow weak surrounding rock tunnel construction is equipped with the bracing piece through being equipped with on the strip shaped plate, is equipped with the arc pole on the bracing piece, is equipped with tripod, support horizontal pole and No. two steel wire meshes in the arc pole inboard, and then can improve supporting mechanism's supporting effect, has solved current supporting construction and only supported weak surrounding rock through the stock, in case the tunnel takes place the large tracts of land to collapse the stock and takes place deformation very easily, leads to the problem of supporting effect variation.
Drawings
FIG. 1 is a schematic diagram of the front of the structure of the present utility model;
Fig. 2 is a schematic side view of the structure of the present utility model.
In the figure: 1. a strip-shaped plate; 2. a support rod; 3. an arc-shaped rod; 4. a cross bar; 5. a first steel wire mesh sheet; 6. a fixed rod; 7. a tripod; 8. a support rail; 9. a second steel wire mesh sheet; 10. a support plate; 11. performing ground insertion; 12. triangular reinforcing plates; 13. and a reinforcing rod.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a supporting structure for construction of ultra-shallow buried weak surrounding rock tunnel in this embodiment includes two strip plates 1, a plurality of support plates 10 are fixedly installed between the opposite side surfaces of the two strip plates 1, so that the two strip plates 1 are supported, a plurality of ground inserting rods 11 are fixedly installed on the lower surface of the strip plates 1, the distances between the two adjacent ground inserting rods 11 are equal, so that the strip plates 1 are fixed, a supporting mechanism is arranged on the strip plates 1, the supporting mechanism comprises supporting rods 2 which are fixedly installed on the upper surface of the strip plates 1 and are three in number, reinforcing rods 13 which are two in number are fixedly installed on the outer side surfaces of the supporting rods 2, so that the lateral supporting effect of the supporting mechanism is improved, triangular reinforcing plates 12 are fixedly installed on the surfaces of the supporting rods 2, the triangular reinforcing plates 12 are fixedly connected with the upper surfaces of the strip plates 1, the supporting rods 2 are conveniently reinforced at the joint of the strip plates 1, arc-shaped rods 3 are fixedly installed on the tops of the two adjacent supporting rods 2, rods 4 are fixedly installed between the two adjacent supporting rods 4, a first steel wire mesh sheet 6 is fixedly installed on the surface of the cross rod 4, a second steel wire mesh 6 is fixedly installed on the inner side of the cross rod 7, an arc-shaped steel wire mesh 3 is fixedly installed on the inner side of the cross rod 7 is fixedly installed on the cross rod 7, and a third steel wire mesh 7 is fixedly installed on the inner side of the cross rod 9 is fixedly installed on the cross rod, and the cross rod is fixedly installed on the cross rod 9.
The working principle of the embodiment is as follows:
During the use, insert 11 through ground and fix strip shaped plate 1 inside the tunnel for bracing piece 2, cross bar 4 and a wire mesh piece 5 and tunnel lateral wall contact are strutted the tunnel lateral wall, make arc pole 3, support horizontal pole 8 and No. two wire mesh piece 9 to tunnel top surface contact, and then can improve the supporting effect to the tunnel.
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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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. Supporting construction of weak surrounding rock tunnel construction is buried to ultra-shallow, is strip shaped plate (1) including two in quantity, its characterized in that: a supporting mechanism is arranged on the strip-shaped plate (1);
The supporting mechanism comprises supporting rods (2) fixedly mounted on the upper surface of a strip-shaped plate (1) and three in number, arc-shaped rods (3) are fixedly mounted at the tops of the supporting rods (2), cross rods (4) are fixedly mounted between every two adjacent supporting rods (2), first steel wire meshes (5) are fixedly mounted on the surfaces of the cross rods (4), fixing rods (6) are fixedly mounted on the inner sides of the arc-shaped rods (3), triangular frames (7) are fixedly mounted on the surfaces of the fixing rods (6), the tops of the triangular frames (7) are fixedly connected with the inner sides of the arc-shaped rods (3), supporting cross rods (8) are fixedly mounted between every two adjacent arc-shaped rods (3), and second steel wire meshes (9) are fixedly mounted between the two adjacent supporting cross rods (8).
2. The support structure for ultra-shallow buried weak surrounding rock tunnel construction according to claim 1, wherein: a plurality of support plates (10) are fixedly arranged between the surfaces of the opposite sides of the two strip-shaped plates (1).
3. The support structure for ultra-shallow buried weak surrounding rock tunnel construction according to claim 1, wherein: the strip-shaped plate (1) is characterized in that a plurality of ground inserts (11) are fixedly arranged on the lower surface of the strip-shaped plate, and the distances between every two adjacent ground inserts (11) are equal.
4. The support structure for ultra-shallow buried weak surrounding rock tunnel construction according to claim 1, wherein: the triangular reinforcing plate (12) is fixedly arranged on the surface of the supporting rod (2), and the triangular reinforcing plate (12) is fixedly connected with the upper surface of the strip-shaped plate (1).
5. The support structure for ultra-shallow buried weak surrounding rock tunnel construction according to claim 1, wherein: the outer side surface of the supporting rod (2) is fixedly provided with two reinforcing rods (13).
6. The support structure for ultra-shallow buried weak surrounding rock tunnel construction according to claim 1, wherein: the apertures of the first steel wire mesh sheet (5) and the second steel wire mesh sheet (9) are not more than three centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598605.2U CN220849716U (en) | 2023-09-25 | 2023-09-25 | Supporting structure for ultra-shallow buried weak surrounding rock tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598605.2U CN220849716U (en) | 2023-09-25 | 2023-09-25 | Supporting structure for ultra-shallow buried weak surrounding rock tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849716U true CN220849716U (en) | 2024-04-26 |
Family
ID=90744385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322598605.2U Active CN220849716U (en) | 2023-09-25 | 2023-09-25 | Supporting structure for ultra-shallow buried weak surrounding rock tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849716U (en) |
-
2023
- 2023-09-25 CN CN202322598605.2U patent/CN220849716U/en active Active
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