CN114351684A - Foundation construction structure for maintaining tunnel and construction method thereof - Google Patents
Foundation construction structure for maintaining tunnel and construction method thereof Download PDFInfo
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- CN114351684A CN114351684A CN202210015256.4A CN202210015256A CN114351684A CN 114351684 A CN114351684 A CN 114351684A CN 202210015256 A CN202210015256 A CN 202210015256A CN 114351684 A CN114351684 A CN 114351684A
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- 238000010276 construction Methods 0.000 title claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 239000002689 soil Substances 0.000 claims abstract description 52
- 239000011440 grout Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 8
- 239000004568 cement Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of tunnel construction, in particular to a foundation construction structure for maintaining a tunnel and a construction method thereof, wherein the foundation construction structure for maintaining the tunnel comprises a grouting structure, a first hollow pile, a second hollow pile and a steel pipe, the grouting structure comprises a grouting hole formed in a soil body between the tunnel and a building and a sleeve valve pipe inserted in the grouting hole, and a gap between the sleeve valve pipe and the grouting hole is filled with a jacket material; the first empty pile is arranged on a soil body between the tunnel and the grouting hole; the second hollow pile is arranged on the soil body between the grouting hole and the building; the steel pipe is adjustably arranged in the first empty pile. According to the invention, grout is poured into the sleeve valve pipes to generate deformation disturbance on a soil body, the second hollow pile is used for absorbing the deformation disturbance on a building during sleeve valve pipe grouting, the steel pipe in the first hollow pile is used for transferring stress to the tunnel to correct the deviation of the tunnel for maintenance, and the hollow pile hole section in the first hollow pile is used for absorbing the deformation disturbance of the upper soil layer and the lower soil layer of the tunnel, so that the construction quality is ensured.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a foundation construction structure for maintaining a tunnel and a construction method thereof.
Background
With the development of urban infrastructure construction, urban underground pipelines are criss-cross. However, in the process of building or operating underground building facilities, the tunnel may have problems of settlement, inclination and the like, and the tunnel needs to be maintained in the aspects of lifting or deviation correction. In order to reduce the influence of deviation rectification construction operation on surrounding buildings and environments as much as possible in the prior art, a sleeve valve pipe grouting technology is adopted to reinforce the buildings, but sleeve valve pipes have certain influence on the surrounding environments in the construction process, so that the foundation construction structure for maintaining the tunnel and the construction method thereof need to be provided, the deviation rectification maintenance effect on the tunnel can be ensured, and the influence on other surrounding buildings and environments on the foundation can be avoided as much as possible.
Disclosure of Invention
The invention aims to provide a foundation construction structure for maintaining a tunnel, which can ensure the effect of rectifying and maintaining the tunnel and avoid influencing other buildings and the environment around the foundation.
In order to realize the purpose, the following technical scheme is provided:
a foundation construction structure for maintaining a tunnel, provided in a soil body between the tunnel and a building, comprising:
the grouting structure comprises a grouting hole formed in the soil body between the tunnel and the building and a sleeve valve pipe inserted in the grouting hole, and a gap between the sleeve valve pipe and the grouting hole is filled with a casing material;
the first empty pile is arranged on the soil body between the tunnel and the grouting hole;
the second empty pile is arranged on the soil body between the grouting hole and the building;
and the steel pipe is adjustably arranged in the first empty pile.
Furthermore, the grouting holes, the first empty piles and the second empty piles extend along the height direction of the soil body respectively, and the lengths of the first empty piles and the second empty piles are larger than the lengths of the grouting holes respectively.
Further, the steel pipe is arranged right opposite to the tunnel, and the length of the steel pipe is larger than the diameter of the tunnel.
Furthermore, a plurality of bayonets are formed in the pipe wall of one end of the steel pipe, the bayonets are arranged along the circumferential direction of the steel pipe at intervals, and the bayonets are used for detachably connecting the hook hanging pieces.
Furthermore, the grouting holes, the first empty piles and the second empty piles are respectively provided with a plurality of grouting holes, the first empty piles and the second empty piles are respectively arranged along a first direction at intervals, the first direction is perpendicular to the height direction of the soil body and the direction of the tunnel facing the building, and one steel pipe is arranged in each first empty pile.
Furthermore, a plurality of the first empty piles and a plurality of the second empty piles are arranged in a one-to-one correspondence manner, and each grouting hole is arranged in a corresponding manner to the plurality of the first empty piles.
Further, the aperture of the first empty pile is smaller than that of the grouting hole.
Furthermore, a pulp outlet hole is formed in the pipe wall of the sleeve valve pipe in a penetrating mode.
Furthermore, a rubber sleeve valve sleeve is arranged on the periphery of the grout outlet on the sleeve valve pipe.
Further, there is also provided a construction method for maintaining a foundation construction structure of a tunnel, for maintaining the tunnel, using the foundation construction structure for maintaining the tunnel as described in any one of the above, comprising the steps of:
step 4, sinking a steel pipe into the first empty pile, and adjusting the position of the steel pipe in the first empty pile;
step 5, grouting into the sleeve valve pipe;
step 6, stopping grouting in the sleeve valve pipe after the tunnel deviation rectifying operation is finished, and taking out the steel pipe from the first empty pile;
and 7, backfilling the first empty pile and the second empty pile respectively.
The invention has the beneficial effects that:
the foundation construction structure for maintaining the tunnel of the invention is characterized in that a first empty pile, a grouting structure and a second empty pile are sequentially arranged between the tunnel and the building, grout is poured into the sleeve valve pipes of the grouting holes to generate deformation disturbance on a soil body, the second hollow piles arranged between the grouting holes and the building are used for absorbing the deformation disturbance on the building when the sleeve valve pipes are grouted, the steel pipes in the first hollow piles arranged between the grouting holes and the tunnel are used for transmitting stress to the tunnel to generate controllable micro-disturbance, the tunnel is rectified and reinforced, the effect of stably maintaining the tunnel is achieved, the rectification maintenance in different directions can be carried out on the tunnel by finely adjusting the position of the steel pipe in the first empty pile, meanwhile, the pile hole section which is arranged in the first hollow pile in an empty mode can be used for absorbing deformation disturbance to upper and lower soil layers of the tunnel during grouting of the sleeve valve pipe, and the tunnel deviation rectifying quality and construction safety are guaranteed.
The construction method for maintaining the foundation construction structure of the tunnel is safe and efficient in construction, and can quickly correct and reinforce the underground tunnel to be maintained without interfering other buildings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a first structural diagram of a foundation construction structure for maintaining a tunnel according to an embodiment of the present invention;
fig. 2 is a structural schematic diagram ii of a foundation construction structure for maintaining a tunnel according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a steel pipe for maintaining a foundation construction structure of a tunnel according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a steel member for sinking a steel pipe according to an embodiment of the present invention.
In the figure:
100-soil body; 101-a tunnel; 102-a building; 200-hook hanging parts; 201-operating rod; 202-hooking;
1-grouting structure; 11-grouting holes; 12-sleeve valve tube; 121-slurry outlet holes; 13-sheathing a shell material;
2-first empty pile;
3-a second empty pile;
4-a steel pipe; 41-bayonet.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when the product is used, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and 2, an embodiment of the present invention provides a foundation construction structure for maintaining a tunnel, which is provided in a soil body 100 between a tunnel 101 to be maintained and an external building 102. The foundation construction structure for maintaining the tunnel comprises a grouting structure 1, a first hollow pile 2, a second hollow pile 3 and a steel pipe 4, wherein the grouting structure 1 comprises a grouting hole 11 formed in a soil body 100 between the tunnel 101 and a building 102 and a sleeve valve pipe 12 inserted into the grouting hole 11, and a gap between the sleeve valve pipe 12 and the grouting hole 11 is filled with a casing material 13; the first empty pile 2 is arranged on the soil body 100 between the tunnel 101 and the grouting hole 11; the second empty pile 3 is arranged on the soil body 100 between the grouting hole 11 and the building 102; the steel pipe 4 is adjustably provided inside the first empty pile 2.
The foundation construction structure for maintaining the tunnel of the embodiment is characterized in that a first empty pile 2, a grouting structure 1 and a second empty pile 3 are sequentially arranged between a tunnel 101 and a building 102, grout is poured into a sleeve valve pipe 12 of a grouting hole 11 to generate deformation disturbance on a soil body 100, the second empty pile 3 arranged between the grouting hole 11 and the building 102 is used for absorbing the deformation disturbance generated on the building 102 when the sleeve valve pipe 12 is grouted, stress is transferred to the tunnel 101 by a steel pipe 4 arranged in the first empty pile 2 between the grouting hole 11 and the tunnel 101 to generate controllable micro-disturbance, further the tunnel 101 is rectified and reinforced, the effect of stably maintaining the tunnel 101 is achieved, the rectification maintenance of different directions can be carried out on the tunnel 101 by finely adjusting the position of the steel pipe 4 in the first empty pile 2, meanwhile, a pile hole section which is empty in the first empty pile 2 can be used for absorbing the deformation disturbance generated on upper and lower soil layers of the tunnel 101 when the sleeve valve pipe 12 is grouted, the quality of rectifying deviation of the tunnel 101 and the construction safety are ensured.
Referring to fig. 1, the grouting holes 11, the first empty piles 2 and the second empty piles 3 extend along the height direction of the soil body 100 respectively, and the length of the first empty piles 2 and the length of the second empty piles 3 are respectively greater than the length of the grouting holes 11, so that the first empty piles 2 and the second empty piles 3 can be matched to absorb deformation disturbance generated on the upper and lower soil layers during full-section grouting of the sleeve valve pipes 12.
Optionally, referring to fig. 1, the first empty pile 2 extends to a position below the tunnel 101 along the height direction of the soil body 100, so that the first empty pile 2 cooperates with the grouting structure 1 and the steel pipe 4 to correct the tunnel 101 in different directions.
Alternatively, the steel pipe 4 is disposed opposite to the tunnel 101, and the length of the steel pipe 4 is greater than the diameter of the tunnel 101, i.e., when grouting into the sleeve valve pipe 12, it is possible to transfer stress by means of the steel pipe 4 disposed opposite to the tunnel 101 to rectify and reinforce the tunnel 101. In this embodiment, the ratio of the length of the steel pipe 4 to the height of the tunnel 101 is set to 1.5:1, which can satisfy the stress transfer effect of the steel pipe 4 to the tunnel 101, i.e. uniformly apply pressure, and avoid wasting pipes.
Optionally, referring to fig. 3 and 4, a plurality of bayonets 41 are formed in a pipe wall of one end of the steel pipe 4, the plurality of bayonets 41 are arranged at intervals along the circumferential direction of the steel pipe 4, the bayonets 41 are used for detachably connecting with the hooking member 200, and by arranging the bayonets 41 on the steel pipe 4, a constructor can conveniently accurately place the steel pipe 4 to an operation position in the first empty pile 2 by using the hooking member 200 and pull out the steel pipe 4 from the first empty pile 2.
Alternatively, referring to fig. 4, the hooking member 200 for assisting the steel pipe 4 to be lowered into the first empty pile 2 and to be extracted from the first empty pile 2 in the present embodiment includes an operating rod 201 and a plurality of hooks 202 disposed at one end of the operating rod 201, the plurality of hooks 202 are arranged along the axial direction of the operating rod 201, and the operation is simple by extending the operating rod 201 into the steel pipe 4 to hook the hooks 202 on the steel pipe 4 to the bayonets 41 on the steel pipe 4, and further moving the operating rod 201 toward the inside of the first empty pile 2 or toward the outside of the first empty pile 2 to realize the lowering of the steel pipe 4 into the proper position in the first empty pile 2 and the extraction from the first empty pile 2.
Optionally, referring to fig. 2, the grouting holes 11, the first empty piles 2, and the second empty piles 3 are respectively provided in plurality, and the plurality of grouting holes 11, the plurality of first empty piles 2, and the plurality of second empty piles 3 are respectively arranged at uniform intervals along the first direction, so that deformation disturbance can be uniformly generated to the soil layer in the construction area as much as possible when grouting is performed on the soil layer in the plurality of grouting holes 11, and the first empty piles 2 and the second empty piles 3 are also mutually matched to uniformly absorb deformation disturbance generated to the soil layer when grouting is performed on the plurality of sleeve valve pipes 12. Wherein the first direction is perpendicular to the height direction of the soil body 100 and the direction of the tunnel 101 towards the building 102, and a steel pipe 4 is arranged in each first empty pile 2, see the direction of the arrow ab shown in fig. 2.
Alternatively, a plurality of first empty piles 2 are arranged in one-to-one correspondence with a plurality of second empty piles 3, and each grouting hole 11 is arranged in correspondence with the same number of first empty piles 2 and second empty piles 3. The one-to-one arrangement of the first empty pile 2 and the second empty pile 3 can keep the vibration elimination effect of the first empty pile 2 and the second empty pile 3 on the soil layers at two sides of the grouting hole 11 balanced within a large range, and construction safety is ensured. The quantity of the empty stake of first empty stake 2 in this embodiment and the quantity of the empty stake of second 3 are greater than the quantity of grouting hole 11 respectively, need satisfy when arranging that every grouting hole 11 is corresponding with a plurality of empty stake of first empty stake 2 and a plurality of second 3 of the same quantity, enough rectify a deviation and consolidate tunnel 101, need not to set up grouting hole 11 too much, the material resources of using manpower sparingly. The number of the grouting holes 11 in the embodiment can be increased or decreased according to the actual needs of the project.
Alternatively, referring to fig. 2, in the direction in which the tunnel 101 faces the building 102 in the present embodiment, the distance between the first empty pile 2 and the grouting hole 11 is equal to the distance between the first empty pile 2 and the tunnel 101, and the distance between the second empty pile 3 and the grouting hole 11 is equal to the distance between the second empty pile 3 and the building 102. By keeping the first empty pile 2, the grouting hole 11 and the tunnel 101, and keeping the second empty pile 3, the grouting hole 11 and the building 102 at the same distance, the soil layer disturbance on both sides of the grouting hole 11 is balanced as much as possible.
Optionally, the aperture of the first hollow pile 2 is smaller than that of the grouting hole 11, so that the soil body 100 can be prevented from collapsing, stress transmission and construction safety of the steel pipe 4 to the tunnel 101 can be ensured, and deformation disturbance to the soil layer during grouting of the sleeve valve pipe 12 can be absorbed.
Optionally, the aperture of the second empty pile 3 is smaller than that of the grouting hole 11, so that the soil body 100 can be prevented from collapsing, the safety of the building 102 and construction can be ensured, and deformation disturbance to the soil layer during grouting of the sleeve valve pipe 12 can be absorbed.
Optionally, in this embodiment, both the first empty pile 2 and the second empty pile 3 are round holes.
Optionally, referring to fig. 1, a grout outlet 121 is formed through the wall of the sleeve valve tube 12, the grout outlet 121 is communicated with the inner cavity of the sleeve valve tube 12, when grouting is performed into the sleeve valve tube 12, grout in the sleeve valve tube 12 passes through the grout outlet 121 and breaks through the casing material 13 and enters the soil body 100, so that the effect of compacting and grouting is performed on the soil body 100, a pressure effect is generated on the adjacent tunnel 101, and grouting is stopped after the tunnel 101 is lifted or corrected to achieve an expected effect.
Optionally, a rubber sleeve valve sleeve is arranged on the periphery of the grout outlet 121 on the sleeve valve pipe 12, and when the sleeve valve pipe 12 is grouted, cement grout spreads the rubber sleeve valve sleeve through the grout outlet 121 and enters the soil body 100. Namely, the rubber sleeve valve pocket is opened by a certain grouting pressure in the grouting process, grout enters the soil body 100 through the grout outlet hole 121 to reinforce the surrounding stratum, and the rubber sleeve valve pocket rebounds after the grouting is finished, so that the grout injected into the stratum is prevented from flowing back.
Alternatively, in the present embodiment, the casing material 13 is cement grout with low strength, and the grouting grout can break through the casing material 13 by the impact force during grouting.
The embodiment of the invention also provides a construction method for maintaining the foundation construction structure of the tunnel, which is used for rectifying deviation or reinforcing the tunnel 101, the foundation construction structure for maintaining the tunnel is used, and the construction method comprises the following steps:
And 2, drilling a grouting hole 11 in the soil body 100 between the first empty pile 2 and the second empty pile 3 by using a construction machine according to the positioning line of the grouting hole 11, and pouring casing materials 13 into the grouting hole 11.
And 3, sinking the sleeve valve pipe 12 into the grouting hole 11, stabilizing for a period of time, and ensuring that the sleeve valve pipe 12 is sunk in place.
And 4, sinking the steel pipe 4 into the first hollow pile 2 by using the hooking piece 200, and adjusting the position of the steel pipe 4 in the first hollow pile 2, for example, the steel pipe 4 can be sunk to a position right opposite to the tunnel 101.
And 5, grouting into the sleeve valve pipe 12, expanding the rubber sleeve valve sleeves by cement grout under grouting pressure, breaking sleeve materials 13 outside the sleeve valve pipe 12, entering a soil body 100, reinforcing peripheral strata, transmitting stress to the tunnel 101 by the steel pipe 4 in the first empty pile 2 at the moment, correcting the tunnel 101, absorbing residual deformation disturbance generated by the grouting structure 1 towards one side of the tunnel 101 by other empty pile hole sections in the first empty pile 2, and absorbing deformation disturbance generated by the grouting structure 1 towards one side of the building 102 by the second empty pile 3.
And 6, stopping grouting into the sleeve valve pipe 12 when the deviation rectification of the tunnel 101 reaches the expected effect, namely finishing the deviation rectification operation, rebounding the rubber sleeve valve sleeve after the grouting is finished so as to prevent the grout injected into the stratum from flowing back, and taking the steel pipe 4 from the first empty pile 2 by using the hook 200.
And 7, backfilling the first empty pile 2 and the second empty pile 3 respectively, and finishing construction.
The construction method for maintaining the foundation construction structure of the tunnel is safe and efficient in construction, and can quickly rectify and reinforce the underground tunnel 101 to be maintained without interfering with other buildings.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A foundation construction structure for maintaining a tunnel, provided in a soil body (100) between the tunnel (101) and a building (102), characterized by comprising:
the grouting structure (1) comprises a grouting hole (11) formed in the soil body (100) between the tunnel (101) and the building (102) and a sleeve valve pipe (12) inserted into the grouting hole (11), and a gap between the sleeve valve pipe (12) and the grouting hole (11) is filled with a jacket material (13);
the first empty pile (2) is arranged on the soil body (100) between the tunnel (101) and the grouting hole (11);
the second empty pile (3) is arranged on the soil body (100) between the grouting hole (11) and the building (102);
and the steel pipe (4) is adjustably arranged in the first empty pile (2).
2. The foundation construction structure for maintaining a tunnel according to claim 1, wherein the grouting hole (11), the first empty pile (2) and the second empty pile (3) are respectively provided to extend in a height direction of the soil body (100), and lengths of the first empty pile (2) and the second empty pile (3) are respectively greater than a length of the grouting hole (11).
3. The foundation construction structure for maintaining a tunnel according to claim 1, wherein the steel pipe (4) is disposed opposite to the tunnel (101), and the length of the steel pipe (4) is greater than the diameter of the tunnel (101).
4. The foundation construction structure for maintaining a tunnel according to claim 3, wherein a plurality of bayonets (41) are formed in a pipe wall at one end of the steel pipe (4), the plurality of bayonets (41) are arranged along the circumferential direction of the steel pipe (4) at intervals, and the bayonets (41) are detachably connected with the hook pieces (200).
5. The structure of foundation construction for maintaining a tunnel according to claim 1, wherein a plurality of the grouting holes (11), the first empty piles (2) and the second empty piles (3) are provided, respectively, and a plurality of the grouting holes (11), a plurality of the first empty piles (2) and a plurality of the second empty piles (3) are provided at regular intervals in a first direction, respectively, the first direction being perpendicular to a height direction of the soil body (100) and a direction of the tunnel (101) toward the building (102), and one steel pipe (4) is provided in each of the first empty piles (2).
6. The foundation construction structure for maintaining a tunnel according to claim 5, wherein a plurality of said first empty piles (2) are provided in one-to-one correspondence with a plurality of said second empty piles (3), and each said grouting hole (11) is provided in correspondence with a plurality of said first empty piles (2).
7. The foundation construction structure for maintaining a tunnel according to claim 1, wherein the first dummy pile (2) has a smaller bore diameter than the grouting hole (11).
8. The foundation construction structure for maintaining a tunnel according to claim 1, wherein a grout outlet (121) is perforated in the wall of the sleeve valve pipe (12).
9. The foundation construction structure for maintaining a tunnel according to claim 8, wherein rubber sleeve valve housings are provided at the peripheries of the grout outlet holes (121) on the sleeve valve pipes (12).
10. A construction method for maintaining a foundation construction structure of a tunnel for rectifying maintenance of the tunnel (100), characterized by using the foundation construction structure for maintaining a tunnel according to any one of claims 1 to 9, comprising the steps of:
step 1, respectively drilling a first empty pile (2) and a second empty pile (3) on a soil body (100) between a tunnel (101) and a building (102);
step 2, drilling a grouting hole (11) in the soil body (100) between the first empty pile (2) and the second empty pile (3), and pouring casing materials (13) into the grouting hole (11);
step 3, sinking sleeve valve pipes (12) into the grouting holes (11);
step 4, sinking a steel pipe (4) into the first empty pile (2), and adjusting the position of the steel pipe (4) in the first empty pile (2);
step 5, grouting into the sleeve valve pipe (12);
step 6, stopping grouting into the sleeve valve pipe (12) after the deviation rectifying operation of the tunnel (101) is finished, and taking out the steel pipe (4) from the first empty pile (2);
and 7, backfilling the first empty pile (2) and the second empty pile (3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015256.4A CN114351684A (en) | 2022-01-07 | 2022-01-07 | Foundation construction structure for maintaining tunnel and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210015256.4A CN114351684A (en) | 2022-01-07 | 2022-01-07 | Foundation construction structure for maintaining tunnel and construction method thereof |
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| Publication Number | Publication Date |
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| CN114351684A true CN114351684A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210015256.4A Pending CN114351684A (en) | 2022-01-07 | 2022-01-07 | Foundation construction structure for maintaining tunnel and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404846A (en) * | 2022-09-23 | 2022-11-29 | 中国建筑第五工程局有限公司 | Deviation rectifying device and method for tunnel deformation |
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| CN202644591U (en) * | 2011-12-28 | 2013-01-02 | 中铁十九局集团轨道交通工程有限公司 | A reinforced bridge pile foundation in tunnel construction under the geological condition of water-rich quicksand |
| CN104863183A (en) * | 2015-03-04 | 2015-08-26 | 中铁隧道勘测设计院有限公司 | Isolation damping pile structure used for construction of large cross-section tunnel closed-spaced building and construction method of isolation damping pile structure |
| CN208219683U (en) * | 2018-04-12 | 2018-12-11 | 中国建筑一局(集团)有限公司 | A kind of mini-valve tube soil body pressure releasing structure |
| CN109706978A (en) * | 2018-12-26 | 2019-05-03 | 中国二十冶集团有限公司 | Anti- soil compaction and vibration isolating method based on prestressing pipe pile construction |
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2022
- 2022-01-07 CN CN202210015256.4A patent/CN114351684A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202644591U (en) * | 2011-12-28 | 2013-01-02 | 中铁十九局集团轨道交通工程有限公司 | A reinforced bridge pile foundation in tunnel construction under the geological condition of water-rich quicksand |
| CN104863183A (en) * | 2015-03-04 | 2015-08-26 | 中铁隧道勘测设计院有限公司 | Isolation damping pile structure used for construction of large cross-section tunnel closed-spaced building and construction method of isolation damping pile structure |
| CN208219683U (en) * | 2018-04-12 | 2018-12-11 | 中国建筑一局(集团)有限公司 | A kind of mini-valve tube soil body pressure releasing structure |
| CN109706978A (en) * | 2018-12-26 | 2019-05-03 | 中国二十冶集团有限公司 | Anti- soil compaction and vibration isolating method based on prestressing pipe pile construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404846A (en) * | 2022-09-23 | 2022-11-29 | 中国建筑第五工程局有限公司 | Deviation rectifying device and method for tunnel deformation |
| CN115404846B (en) * | 2022-09-23 | 2024-01-26 | 中国建筑第五工程局有限公司 | Deviation correcting device and method for tunnel deformation |
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