CN216305952U - Tunnel two-lining vault reserved grouting pipe structure - Google Patents
Tunnel two-lining vault reserved grouting pipe structure Download PDFInfo
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- CN216305952U CN216305952U CN202122854238.9U CN202122854238U CN216305952U CN 216305952 U CN216305952 U CN 216305952U CN 202122854238 U CN202122854238 U CN 202122854238U CN 216305952 U CN216305952 U CN 216305952U
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- lining
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- tunnel
- circulation
- linings
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- 238000010276 construction Methods 0.000 claims abstract description 6
- 239000011440 grout Substances 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005056 compaction Methods 0.000 abstract description 2
- 239000011800 void material Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a grouting pipe structure, in particular to a tunnel secondary lining vault reserved grouting pipe structure. The waterproof structure comprises a semicircular primary support, a waterproof layer is arranged at the bottom of the primary support, a two-lining trolley plug die is fixedly connected to the bottom end of one side of a top plate, and the two-lining trolley plug die is arranged on one side of the primary support. The utility model designs application of the technology of the grouting pipe reserved on the vault of the circulating secondary lining, and better solves the problems that the traditional drilling grouting method is easy to cause secondary damage to the circulating secondary lining and has poor grouting effect. The two-lining vault reserved grouting pipe technology is adopted during the construction of the tunnel second circulation lining, the grouting compaction effect is improved on the premise of not damaging the tunnel second circulation lining, the quality of the tunnel second circulation lining is improved, the safety performance of the tunnel second circulation lining structure is improved, a good quality effect is obtained, and unnecessary economic loss is avoided.
Description
Technical Field
The utility model relates to a grouting pipe structure, in particular to a tunnel secondary lining vault reserved grouting pipe structure.
Background
In the tunnel construction process, the secondary lining is easy to be void, and when the tunnel vault has the problems of void and the like, the safety performance of the tunnel is bound to be damaged, which mainly shows that the structural stress of the whole tunnel supporting system is changed, and particularly the stress state among the surrounding rock, the primary support and the secondary lining is changed. When the lining has the problem of void, the mutual state between the primary support and the surrounding rock is damaged, the stress structure of the tunnel is changed, and hidden danger is brought to the safety performance of the tunnel. Meanwhile, the void also means that the thickness of the lining is insufficient, the bearing capacity of the structure is reduced to a certain extent, and great hidden quality trouble exists. The conventional treatment means is to find the void part through the scanning of the two-lining radar for drilling and grouting, the waterproof board is easily broken carelessly during construction, the two-lining water leakage is caused, a series of linkage problems can be caused due to improper treatment, and the problem that the void cannot be well treated due to the limited grouting range is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tunnel secondary lining vault reserved grouting pipe structure to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides a tunnel secondary lining vault reserved grouting pipe structure which comprises a semicircular primary support, wherein a waterproof layer is arranged at the bottom of the primary support, a secondary lining trolley plugging die is fixedly connected to the bottom end of the primary support, the secondary lining trolley plugging die is arranged on one side of the primary support, an upper circulating secondary lining is arranged at the bottom of one side of the waterproof layer, a primary circulating secondary lining is arranged on one side of the upper circulating secondary lining, one end, far away from the upper circulating secondary lining, of the primary circulating secondary lining is connected with the secondary lining trolley plugging die, a gap is formed in the top end of the primary circulating secondary lining, a grouting pipeline is arranged inside the gap, and a secondary lining trolley die plate is arranged at the bottom of the primary circulating secondary lining.
As a further improvement of the technical solution, the grouting pipeline includes two grouting vertical pipes penetrating through two lining trolley templates, the two lining trolley templates are fixedly connected with the grouting vertical pipes, and the grouting vertical pipes penetrate through the circulating two linings and are fixedly connected with the circulating two linings.
As a further improvement of the technical scheme, the top end of the grouting vertical pipe is fixedly connected with a pre-buried elbow, the pre-buried elbow is arranged in the gap, and one side of the pre-buried elbow is fixedly connected with a grouting transverse pipe.
As a further improvement of the technical scheme, two ends of the horizontal grouting pipe are fixedly connected with the embedded elbows on two sides respectively, the side wall of the horizontal grouting pipe is provided with a plurality of grout overflowing holes, and the horizontal grouting pipe is arranged inside the gap.
As a further improvement of the technical scheme, the bottom end of the primary support is matched with the top end of the waterproof layer, and the top of the circulating secondary lining is matched with the bottom of the waterproof layer.
Compared with the prior art, the utility model has the beneficial effects that:
in the tunnel secondary lining vault reserved grouting pipe structure, through the application of the technology of the grouting pipe reserved on the circulating secondary lining vault, the problems that the traditional drilling grouting method is easy to cause secondary damage to the circulating secondary lining and the grouting effect is poor are solved better. The two-lining vault reserved grouting pipe technology is adopted during the construction of the tunnel second circulation lining, the grouting compaction effect is improved on the premise of not damaging the tunnel second circulation lining, the quality of the tunnel second circulation lining is improved, the safety performance of the tunnel second circulation lining structure is improved, a good quality effect is obtained, and unnecessary economic loss is avoided.
Drawings
FIG. 1 is a schematic structural view of a longitudinal section of a pre-buried arrangement of a grouting pipe of the present invention;
fig. 2 is a schematic structural view of a transverse section of a pre-buried arrangement of grouting pipes of the utility model;
fig. 3 is a schematic structural view of the grouting pipe of the utility model.
The various reference numbers in the figures mean:
1. primary support; 2. a waterproof layer; 3. a void; 4. a second lining trolley plugging die; 5. grouting a pipeline; 51. grouting a vertical pipe; 52. embedding an elbow in advance; 53. grouting a horizontal pipe; 54. a slurry overflow hole; 6. the second liner of the cycle; 7. two lining trolley templates; 8. and (4) circulating a second liner.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1-3, the embodiment provides a tunnel secondary lining vault reserved grouting pipe structure, which includes a semi-circular primary support 1, the primary support 1 is used for protecting and supporting a tunnel during initial excavation of the tunnel, a waterproof layer 2 is arranged at the bottom end of the primary support 1, the waterproof layer 2 is used for isolating the outside and preventing the inner structure from being eroded due to invasion of water below a waterproof layer 2 and affecting the service life, a secondary lining platform truck plug mold 4 is fixedly connected to the bottom end of one side of a top plate, the secondary lining platform truck plug mold 4 is used for sealing a gap 3 and preventing filling liquid in the gap 3 from leaking out to cause insufficient filling in the gap 3, the secondary lining platform truck plug mold 4 is arranged at one side of the primary support 1, an upper circulating secondary lining 8 is arranged at the bottom of one side of the waterproof layer 2, and the upper circulating secondary lining 8 is used for blocking the other side of the gap 3, one side of an upper circulation secondary lining 8 is provided with a circulation secondary lining 6, the circulation secondary lining 6 is used for being matched with a primary support 1 to further support the tunnel to realize the fixation of the gold side of the tunnel, one end of the circulation secondary lining 6, which is far away from the upper circulation secondary lining 8, is connected with a secondary lining trolley plugging head mould 4, the top end of the circulation secondary lining 6 is provided with a gap 3, the gap 3 is used for placing a grouting transverse pipe 53 to avoid the occurrence of the void phenomenon at the top of the circulation secondary lining 6, a grouting pipeline 5 is arranged inside the gap 3, the grouting pipeline 5 is used for injecting filling liquid into the gap 3 to complete the treatment of the void phenomenon, the bottom of the circulation secondary lining 6 is provided with a secondary lining trolley template 7, the secondary lining trolley template 7 is used for limiting the circulation secondary lining 6, the bottom end of the primary support 1 is matched with the top end of a waterproof layer 2, the top of the circulation secondary lining 6 is matched with the bottom of the waterproof layer 2, the top end of the second liner 6 in the circulation is treated by hollowing, so that the stress effect is prevented from being influenced due to the change of the stress structure of the second liner 6 in the circulation caused by hollowing.
The working principle is as follows: can cause huge harm to the whole security in tunnel when taking place the evacuation phenomenon at the vault of this two linings of circulation 6, so set up space 3 in the position that the evacuation phenomenon probably appears on the top of two linings of circulation 6, violently manage 53 settings in the inside in space 3 with slip casting, through slip casting standpipe 51 and pre-buried elbow 52 with filling liquid via excessive thick liquid hole 54 injection space 3, until space 3 is filled up, avoid taking place to open the evacuation phenomenon, guarantee that the structure steadiness in tunnel can not receive the influence.
In order to avoid the phenomenon of void, the grouting pipeline 5 comprises two grouting vertical pipes 51 penetrating through two lining trolley templates 7, the grouting vertical pipes 51 are used for conducting filling liquid to a grouting transverse pipe 53, the two lining trolley templates 7 are fixedly connected with the grouting vertical pipes 51, the grouting vertical pipes 51 penetrate through the circulating second lining 6 and are fixedly connected with the circulating second lining 6, the top ends of the grouting vertical pipes 51 are fixedly connected with embedded elbows 52, the embedded elbows 52 are used for connecting the grouting transverse pipes 53 with the grouting vertical pipes 51, the embedded elbows 52 are arranged in the gaps 3, one sides of the embedded elbows 52 are fixedly connected with the grouting transverse pipe 53, the grouting transverse pipe 53 is used for injecting the filling liquid into the gaps 3, two ends of the grouting transverse pipe 53 are respectively and fixedly connected with the embedded elbows 52 on two sides, a plurality of grout overflow holes 54 are formed in the side walls of the grouting transverse pipe 53, the grout overflow holes 54 are used for guiding the filling liquid into the gaps 3, the grouting transverse pipe 53 is arranged in the gaps 3, the filling of the gap 3 is completed, and the occurrence of the void phenomenon is avoided.
When the tunnel secondary lining vault reserved grouting pipe structure is used specifically, when the circulating secondary lining 6 is poured, a proper through hole is reserved, a grouting vertical pipe 51 is convenient to install, after the waterproof layer construction is completed, the circulating secondary lining 6 is measured and lofted, a secondary lining section with reinforcing steel bars is used for binding a grouting pipe on the layer of reinforcing steel bars close to the waterproof layer 2 and is close to the waterproof layer 2, for the section without the reinforcing steel bars, an anti-adhesion type HDPE self-adhesive film waterproof coiled material is used for adhering the pre-embedded grouting vertical pipe 51, after a secondary lining trolley is in place, the grouting vertical pipe 51 extends into the through hole, the secondary lining trolley plugging die 4 directly connects the grouting horizontal pipe 53 with the grouting vertical pipe 51 through the pre-embedded elbow 52 before the plugging die is closed, the other end of the grouting vertical pipe is also connected through the pre-embedded elbow 52, and butt joint control is made by means of measuring accurate lofting;
fixing and plugging a grouting vertical pipe 51 are well done during pouring of the circulating secondary lining 6, the exposed grouting vertical pipe 51 is cut off after the pouring of the circulating secondary lining 6 is completed, the circulating secondary lining 6 with a vault being empty is grouted by radar scanning, grouting is directly carried out by using a pre-embedded grouting pipeline 5, grouting is carried out at one end, and grouting is carried out at the other end, and grouting can be simultaneously carried out at two ends, which is specifically determined according to actual conditions; and the pipe orifice of the grouting vertical pipe 51 is blocked by high-strength mortar for the circulating secondary lining 6 without void, so that the gap 3 is filled, and the structural strength of the tunnel is prevented from being influenced due to the void phenomenon.
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 (5)
1. The utility model provides a slip casting tubular construction is reserved to two lining vaults in tunnel which characterized in that: including being annular preliminary bracing (1) of semicircle, the bottom of preliminary bracing (1) is equipped with waterproof layer (2), the bottom fixedly connected with two lining platform truck stifled head moulds (4) of preliminary bracing (1), two lining platform truck stifled head moulds (4) set up in one side of preliminary bracing (1), the bottom of waterproof layer (2) one side is equipped with two linings of upper circulation (8), one side of two linings of upper circulation (8) is equipped with two linings of this circulation (6), the one end and two lining platform truck stifled head moulds (4) of two linings of upper circulation (8) are kept away from in two linings of this circulation (6) are connected, space (3) have been seted up on the top of two linings of this circulation (6), the inside of space (3) is equipped with slip casting pipeline (5), the bottom of two linings of this circulation (6) is equipped with two lining platform truck templates (7).
2. The tunnel secondary lining vault reserved grouting pipe structure of claim 1, wherein: the grouting pipeline (5) comprises two grouting vertical pipes (51) penetrating through the two lining trolley templates (7), the two lining trolley templates (7) are fixedly connected with the grouting vertical pipes (51), and the grouting vertical pipes (51) penetrate through the circulating two linings (6) and are fixedly connected with the circulating two linings (6).
3. The tunnel secondary lining vault reserved grouting pipe structure of claim 2, wherein: the top end of the grouting vertical pipe (51) is fixedly connected with a pre-buried elbow (52), the pre-buried elbow (52) is arranged in the gap (3), and one side of the pre-buried elbow (52) is fixedly connected with a grouting transverse pipe (53).
4. The tunnel secondary lining vault reserved grouting pipe structure of claim 3, wherein: two ends of the horizontal grouting pipe (53) are fixedly connected with the embedded elbows (52) on two sides respectively, a plurality of grout overflow holes (54) are formed in the side wall of the horizontal grouting pipe (53), and the horizontal grouting pipe (53) is arranged in the gap (3).
5. The tunnel secondary lining vault reserved grouting pipe structure of claim 4, wherein: the bottom end of the primary support (1) is matched with the top end of the waterproof layer (2), and the top of the circulating secondary lining (6) is matched with the bottom of the waterproof layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854238.9U CN216305952U (en) | 2021-11-19 | 2021-11-19 | Tunnel two-lining vault reserved grouting pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854238.9U CN216305952U (en) | 2021-11-19 | 2021-11-19 | Tunnel two-lining vault reserved grouting pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216305952U true CN216305952U (en) | 2022-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122854238.9U Active CN216305952U (en) | 2021-11-19 | 2021-11-19 | Tunnel two-lining vault reserved grouting pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216305952U (en) |
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2021
- 2021-11-19 CN CN202122854238.9U patent/CN216305952U/en active Active
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