CN221002747U - Shield end reinforcing body structure of water-rich liquefied sand layer - Google Patents
Shield end reinforcing body structure of water-rich liquefied sand layer Download PDFInfo
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- CN221002747U CN221002747U CN202322924178.2U CN202322924178U CN221002747U CN 221002747 U CN221002747 U CN 221002747U CN 202322924178 U CN202322924178 U CN 202322924178U CN 221002747 U CN221002747 U CN 221002747U
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- metal
- reinforcing body
- water
- metal reinforcing
- sand layer
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000004576 sand Substances 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 107
- 230000002787 reinforcement Effects 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 13
- 238000004021 metal welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 6
- 239000004568 cement Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to the technical field of shield construction, and discloses a shield end reinforcing body structure of a water-rich liquefied sand layer, which comprises a metal reinforcing body, wherein the inside of the metal reinforcing body is of a hollow structure, the top of the front surface of the metal reinforcing body is provided with a feed inlet, one end of the feed inlet is fixedly connected with a connecting pipeline, one end of the connecting pipeline is fixedly provided with a connector, and the other end of the feed inlet is communicated with an inner cavity of the metal reinforcing body. According to the utility model, the cooperation of the metal reinforcing body, the limiting clamping block, the connecting pipeline, the metal reinforcing frame and the connector is adopted, so that concrete is conveniently conveyed into the inner cavity of the metal reinforcing body, the concrete is solidified in the metal reinforcing body, the plurality of metal reinforcing frames are matched to increase the integral strength of the metal reinforcing body, meanwhile, the loss of cement slurry can be prevented, and the metal reinforcing body is utilized to support and protect the inner wall of the shield end of the water-rich liquefied sand layer, so that the firmness of the inner wall of the shield end in reinforcing is improved.
Description
Technical Field
The utility model relates to the technical field of shield construction, in particular to a shield end reinforcing body structure of a water-rich liquefied sand layer.
Background
With the continuous development of urban rail transit in China, urban underground space is rapidly developed and utilized, underground tunnel construction enters a peak period, and shield construction has the advantages of good safety, high mechanization degree, high tunneling speed, small disturbance to environment, wide stratum adaptability and the like, and is rapidly popularized and applied in the fields of urban rail transit, highway tunnels, municipal pipelines and the like, and a large amount of engineering construction is carried out by adopting a shield method. The reinforcement of the shield end is an important component part of the shield starting and reaching technology, is also an important safety guarantee of the shield starting and reaching stage, and whether the reinforcement is successful directly affects the safety starting and reaching of the shield machine.
At present, a single soil body reinforcing process is usually used for reinforcing the end of the shield, such as triaxial stirring pile construction, high-pressure jet grouting pile construction and the like, and can be suitable for reinforcing the soil body of most soil bodies of the end of the shield. However, when the shield end encounters the water-rich liquefied sand layer, the stratum is easy to liquefy, the bedrock fracture water and the underground water are rich, cement slurry is easy to run off and diluted by the underground water, and the slurry is difficult to uniformly mix and slurry, so that soil collapse is caused, and the ideal reinforcement effect cannot be achieved by a single soil reinforcement process.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a shield end reinforcing structure of a water-rich liquefied sand layer, which aims to solve the problems in the prior art.
The utility model provides the following technical scheme: the utility model provides a shield end reinforcement body structure of rich water liquefaction sand bed, includes the metal adds the solid, the inside of metal adds the solid is hollow structure, the positive top of metal adds the solid is equipped with the feed inlet, the one end fixedly connected with connecting tube of feed inlet, connecting tube's one end fixed mounting has the connector, the other end and the inner chamber of metal adding the solid of feed inlet communicate with each other, the inside of metal adds the solid is equipped with the metal seal tube, the outer wall welding of metal seal tube is in the inside of metal adding the solid.
Further, the positive one side fixedly connected with spacing fixture block of metal adds solid, the quantity of spacing fixture block is a plurality of, connecting tube's outer wall is located the inside of a plurality of spacing fixture blocks.
Further, the quantity of metal seal tube is a plurality of, and a plurality of metal seal tube even distribution is inside the metal adds the solid, and a plurality of the inside all activity of metal seal tube has pegged graft and has fixed stock.
Further, the both ends of fixed stock extend to the outside of metal seal tube, the one end fixedly connected with arc metal sheet of fixed stock outer wall.
Further, the inside fixedly connected with metal reinforcement frame of metal reinforcement body, the quantity of metal reinforcement frame is a plurality of, and a plurality of metal reinforcement frame even distribution is in the inside of metal reinforcement body.
The utility model has the technical effects and advantages that:
1. According to the utility model, the cooperation of the metal reinforcing body, the limiting clamping blocks, the connecting pipelines, the metal reinforcing frame and the connectors is adopted, so that concrete is conveniently conveyed into the inner cavity of the metal reinforcing body, the concrete is solidified in the metal reinforcing body, the plurality of metal reinforcing frames are matched to increase the integral strength of the metal reinforcing body, meanwhile, the conditions of cement slurry loss or slurry mixing and the like can be prevented, the metal reinforcing body is utilized to support and protect the inner wall of the shield end of the water-rich liquefied sand layer, soil collapse can be prevented, and the firmness of reinforcing the inner wall of the shield end is further improved.
2. According to the utility model, one ends of a plurality of fixed anchor rods can be inserted into the shield end of the water-rich liquefied sand layer through the metal sealing pipes by adopting the cooperation of the metal sealing pipes, the fixed anchor rods and the arc-shaped metal plates, and the arc-shaped metal plates at the other ends of the fixed anchor rods are tightly attached to the inner wall of the metal reinforcing body, so that the metal reinforcing body is conveniently and fixedly arranged on the inner wall of the shield end of the water-rich liquefied sand layer, and the inner wall of the shield end is conveniently reinforced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic cross-sectional view of a metal reinforcement structure of the present utility model.
Fig. 3 is a schematic side view of the overall structure of the present utility model.
The reference numerals are: 1. a metal reinforcing body; 2. a limit clamping block; 3. a connecting pipe; 4. a metal reinforcing frame; 5. a metal seal tube; 6. fixing the anchor rod; 7. an arc-shaped metal plate; 8. and (5) a connector.
Detailed Description
The following description will be made in detail, with reference to the drawings, of the present utility model, wherein the configurations of the structures described in the following embodiments are merely examples, and the shield end reinforcement structure of the water-rich liquefied sand layer according to the present utility model is not limited to the configurations described in the following embodiments, but all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of the present utility model.
Embodiment one:
as shown in fig. 1-3, a shield end reinforcing body structure of a water-rich liquefied sand layer comprises a metal reinforcing body 1, wherein a metal sealing tube 5 is arranged in the metal reinforcing body 1, the outer wall of the metal sealing tube 5 is welded in the metal reinforcing body 1, the number of the metal sealing tubes 5 is multiple, the metal sealing tubes 5 are uniformly distributed in the metal reinforcing body 1, a fixed anchor rod 6 is movably inserted in the metal sealing tubes 5, two ends of the fixed anchor rod 6 extend to the outer part of the metal sealing tube 5, and one end of the outer wall of the fixed anchor rod 6 is fixedly connected with an arc-shaped metal plate 7.
In this embodiment, when moving the metal reinforcement body 1 to the inside of the shield end of the water-rich liquefied sand layer, insert the one end of the fixed anchor rod 6 into the inside of the shield end through the metal seal pipe 5 for being convenient for carry out fixed mounting to the metal reinforcement body 1, increase the steadiness between the metal reinforcement body 1 and the shield end inner wall, conveniently support the protection to the shield end inner wall.
Embodiment two:
As shown in fig. 1-3, the inside of the metal reinforcement body 1 is of a hollow structure, the top of the front side of the metal reinforcement body 1 is provided with a feeding port, one end of the feeding port is fixedly connected with a connecting pipeline 3, one end of the connecting pipeline 3 is fixedly provided with a connector 8, the other end of the feeding port is communicated with the inner cavity of the metal reinforcement body 1, one side of the front side of the metal reinforcement body 1 is fixedly connected with a plurality of limit clamping blocks 2, the outer wall of the connecting pipeline 3 is positioned in the plurality of limit clamping blocks 2, the inside of the metal reinforcement body 1 is fixedly connected with a plurality of metal reinforcement frames 4, and the plurality of metal reinforcement frames 4 are uniformly distributed in the inside of the metal reinforcement body 1.
In this embodiment, through the setting of a plurality of metal reinforcement frame 4, be convenient for support the protection to the inner wall of metal reinforcement 1, increase the intensity of metal reinforcement 1, through the setting of connector 8, make the one end of connecting tube 3 be connected with external concrete delivery pipe through connector 8, conveniently carry the inner chamber to metal reinforcement 1 with the concrete through connecting tube 3, the concrete is at the inside solidification of metal reinforcement 1 and cooperation a plurality of metal reinforcement frame 4 increase the holistic intensity of metal reinforcement 1, make shield end inner wall to rich water liquefaction sand layer be convenient for through metal reinforcement 1 consolidate.
To sum up, as shown in fig. 1-3, in the structure of the shield end reinforcement body of the water-rich liquefied sand layer, when in use, firstly, the metal reinforcement body 1 is moved to the inside of the shield end of the water-rich liquefied sand layer, then one ends of the fixed anchor rods 6 respectively penetrate through the metal sealing pipes 5 and are inserted into the inside of the shield end, one ends of the fixed anchor rods 6 are fixed in the inside of the shield end, the arc-shaped metal plates 7 at the other ends of the fixed anchor rods 6 are tightly attached to the inner wall of the metal reinforcement body 1, so that the metal reinforcement body 1 is installed and fixed, at the moment, the connector 8 is connected with one end of an external concrete conveying pipe, concrete is conveyed to the inner cavity of the metal reinforcement body 1 through the connecting pipeline 3, concrete is solidified in the inside of the metal reinforcement body 1, and meanwhile, the integral strength of the metal reinforcement body 1 is increased by matching with the reinforcing frames of the metal 4, so that the inner wall of the shield end of the water-rich liquefied sand layer is conveniently reinforced.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: the foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a shield end reinforcement body structure on rich water liquefaction sand bed, includes metal adding body (1), its characterized in that, the inside of metal adding body (1) is hollow structure, positive top of metal adding body (1) is equipped with the feed inlet, the one end fixedly connected with connecting tube (3) of feed inlet, the one end fixed mounting of connecting tube (3) has connector (8), the other end of feed inlet communicates with each other with the inner chamber of metal adding body (1), the inside of metal adding body (1) is equipped with metal seal tube (5), the outer wall welding of metal seal tube (5) is in the inside of metal adding body (1).
2. The shield end reinforcing body structure of a water-rich liquefied sand layer according to claim 1, wherein: the utility model discloses a metal adds positive one side fixedly connected with spacing fixture block (2) of body (1), the quantity of spacing fixture block (2) is a plurality of, the outer wall of connecting tube (3) is located the inside of a plurality of spacing fixture blocks (2).
3. The shield end reinforcing body structure of a water-rich liquefied sand layer according to claim 1, wherein: the number of the metal sealing pipes (5) is multiple, the metal sealing pipes (5) are uniformly distributed inside the metal reinforcing body (1), and the inside of the metal sealing pipes (5) is movably inserted with fixed anchor rods (6).
4. A shield end reinforcing body structure of a water-rich liquefied sand layer according to claim 3, wherein: the two ends of the fixed anchor rod (6) extend to the outside of the metal sealing tube (5), and one end of the outer wall of the fixed anchor rod (6) is fixedly connected with an arc-shaped metal plate (7).
5. The shield end reinforcing body structure of a water-rich liquefied sand layer according to claim 1, wherein: the inside fixedly connected with metal reinforcement frame (4) of metal reinforcement body (1), the quantity of metal reinforcement frame (4) is a plurality of, a plurality of metal reinforcement frame (4) even distribution is in the inside of metal reinforcement body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322924178.2U CN221002747U (en) | 2023-10-30 | 2023-10-30 | Shield end reinforcing body structure of water-rich liquefied sand layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322924178.2U CN221002747U (en) | 2023-10-30 | 2023-10-30 | Shield end reinforcing body structure of water-rich liquefied sand layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221002747U true CN221002747U (en) | 2024-05-24 |
Family
ID=91122462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322924178.2U Active CN221002747U (en) | 2023-10-30 | 2023-10-30 | Shield end reinforcing body structure of water-rich liquefied sand layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221002747U (en) |
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2023
- 2023-10-30 CN CN202322924178.2U patent/CN221002747U/en active Active
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