CN211623450U - Construction structure for treating water seepage of tunnel - Google Patents
Construction structure for treating water seepage of tunnel Download PDFInfo
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- CN211623450U CN211623450U CN202020159583.3U CN202020159583U CN211623450U CN 211623450 U CN211623450 U CN 211623450U CN 202020159583 U CN202020159583 U CN 202020159583U CN 211623450 U CN211623450 U CN 211623450U
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- secondary lining
- drainage tube
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- infiltration
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Abstract
The utility model discloses a handle construction structures of tunnel infiltration, include that the toroidal cavity who leaves behind the former secondary lining brick of certain width is dug away along whole hoop direction from secondary lining brick layer infiltration department, pour new secondary lining in the toroidal cavity, the surrounding rock stratum that the new secondary lining outside corresponds also digs along the hoop and is equipped with the recess, be provided with the double-walled bellows that sets up along the back hoop of new secondary lining in the recess, the drainage tube has been inserted to the trompil ann in the surrounding rock stratum of new secondary lining top, the outlet has been seted up on the drainage tube wall, the lower extreme and the double-walled bellows intercommunication of drainage tube. The utility model discloses a prevention of seepage water structure replaces into new secondary lining through the secondary lining with the infiltration position, then installs drainage tube and double-walled bellows, and the rivers that pass through the infiltration are led through drainage tube and double-walled bellows and are arranged to the unified discharge tunnel of road surface ditch, avoid among the new secondary lining of rivers infiltration, increased tunnel prevention of seepage nature.
Description
Technical Field
The utility model relates to a tunnel disease renovation field, concretely relates to handle construction structures of tunnel infiltration.
Background
In recent years, existing tunnels are built, the defects of cracking and water leakage of linings mostly appear, and the industry has a statement of 'ten tunnels and nine leaks'. The reason is that the water leakage tunnel mostly develops in a surrounding rock structure and passes through a fault, a fold and a fracture zone, joints and fractures develop extremely, and a geological structure is abnormal and complex, so that the shearing stress of the tunnel lining is concentrated, the lining is cracked, and a waterproof layer is damaged; when the tunnel passes through a limestone area, hidden karst and karst caves can be encountered, and the drainage quantity of the existing drainage system of the tunnel is insufficient, so that lining cracks or construction joints are infiltrated. How to treat the tunnel seepage is an engineering problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem how to handle the tunnel infiltration, aim at provides a construction structures who handles the tunnel infiltration, replaces new secondary lining through the secondary lining with the infiltration position, then installs drainage tube and double-walled bellows, leads the rivers of infiltration to the unified discharge tunnel of road surface ditch through drainage tube and double-walled bellows, avoids among the new secondary lining of rivers infiltration, has increased tunnel anti-seepage nature.
The utility model discloses a following technical scheme realizes:
the utility model relates to a handle construction structures of tunnel infiltration, include and dig out the toroidal cavity that leaves behind the former secondary lining brick of certain width along whole hoop direction from secondary lining brick layer infiltration department, pour new secondary lining in the toroidal cavity, the surrounding rock stratum that the new secondary lining outside corresponds also digs along the hoop and is equipped with the recess, be provided with the double-walled bellows that sets up along new secondary lining back hoop in the recess, it has the drainage tube to punch a hole in the surrounding rock stratum of new secondary lining top, the outlet has been seted up on the drainage tube wall, the lower extreme and the double-walled bellows intercommunication of drainage tube.
The utility model discloses a prevention of seepage water structure replaces into new secondary lining through the secondary lining with the infiltration position, then installs drainage tube and double-walled bellows, and the rivers that pass through the infiltration are led through drainage tube and double-walled bellows and are arranged to the unified discharge tunnel of road surface ditch, avoid among the new secondary lining of rivers infiltration, increased tunnel prevention of seepage nature. The utility model discloses a direct secondary lining brick that digs out in infiltration department pours again and carries out secondary lining brick structure to lean on the country rock side to hug closely the installation double-walled bellows in the new secondary lining brick structure outside, the rivers of country rock stratum just collect the bellows through the drainage tube earlier like this and arrange the unified discharge tunnel of both sides ditch after again outside, can not carry out large-scale repair work like this, improve repair efficiency and quality. Wherein, the pipe diameter of the double-wall corrugated pipe is reasonably selected according to the width of the dug-out original secondary lining brick.
The upper end of the drainage tube is coated with non-woven fabrics.
And a cement-based crystallization layer is coated on the empty face of the new secondary lining facing the inner side, so that the seepage resistance of the joint between the new secondary lining and the original secondary lining is improved.
The drainage tube adopts a steel flower tube with the diameter of 42mm and the wall thickness of 4mm, the aperture of the drainage hole is 10mm, the longitudinal distance between the holes is 10cm, and the drainage holes are distributed in a quincunx shape.
And the gap between the double-wall corrugated pipe and the new secondary lining is filled with leakage-stopping cement.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a construction structure for treating tunnel infiltration, which replaces the secondary lining of the infiltration part with a new secondary lining, then installs a drainage tube and a double-wall corrugated pipe, leads the infiltrated water flow to a road ditch through the drainage tube and the double-wall corrugated pipe to be uniformly discharged out of the tunnel, avoids the water flow from infiltrating into the new secondary lining, and increases the tunnel impermeability;
2. the utility model relates to a handle construction structures of tunnel infiltration can not carry out large-scale repair work, improves repair efficiency and quality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Reference numbers and corresponding part names in the drawings:
1-annular cavity, 2-double-wall corrugated pipe, 3-drainage pipe, 4-water drainage hole, 5-cement-based crystallization layer and 6-leaking stoppage mucilage.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1 and fig. 2, the utility model relates to a handle construction structures of tunnel infiltration, include that the cliff body 1 that leaves behind the former secondary lining brick of certain width is dug away along whole hoop direction from secondary lining brick layer infiltration department, new secondary lining has been pour in the cliff body, the surrounding rock stratum that the new secondary lining outside corresponds also digs along the hoop and is equipped with the recess, be provided with the double-walled bellows 2 that sets up along the back hoop of new secondary lining in the recess, the drainage tube 3 has been installed in the drilling in the surrounding rock stratum of new secondary lining top, drainage hole 4 has been seted up on the 3 walls of drainage tube, the lower extreme and the 2 intercommunications of double-walled bellows of drainage tube 3.
The utility model discloses a prevention of seepage water structure replaces into new secondary lining through the secondary lining with the infiltration position, then installs drainage tube and double-walled bellows, and the rivers that pass through the infiltration are led through drainage tube and double-walled bellows and are arranged to the unified discharge tunnel of road surface ditch, avoid among the new secondary lining of rivers infiltration, increased tunnel prevention of seepage nature. The utility model discloses a direct secondary lining brick that digs out in infiltration department pours again and carries out secondary lining brick structure to lean on the country rock side to hug closely the installation double-walled bellows in the new secondary lining brick structure outside, the rivers of country rock stratum just collect the bellows through the drainage tube earlier like this and arrange the unified discharge tunnel of both sides ditch after again outside, can not carry out large-scale repair work like this, improve repair efficiency and quality. Wherein, the pipe diameter of the double-wall corrugated pipe is reasonably selected according to the width of the dug-out original secondary lining brick.
Preferably, the upper end of the drainage tube is coated with a non-woven fabric.
Preferably, the face of the new secondary lining facing the inner side is coated with a cement-based crystalline layer 5, so that the seepage resistance of the joint between the new secondary lining and the original secondary lining is improved.
Preferably, the drainage tube is a steel flower tube with the diameter of 42mm and the wall thickness of 4mm, the aperture of the drainage holes is 10mm, the longitudinal distance between the holes is 10cm, and the drainage holes are distributed in a quincunx shape.
Preferably, the gap between the double-wall corrugated pipe and the new secondary lining is filled with plugging mortar 6.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a handle construction structures of tunnel infiltration, a serial communication port, include that annular cavity (1) that leaves behind the former secondary lining brick of certain width is dug away along whole hoop direction from secondary lining brick layer infiltration department, pour new secondary lining in the annular cavity, the surrounding rock stratum that new secondary lining outside corresponds also digs along the hoop and is equipped with the recess, be provided with double-walled bellows (2) along the setting of new secondary lining back hoop in the recess, drainage tube (3) have been installed in the surrounding rock stratum of new secondary lining top hole punching, drainage hole (4) have been seted up on drainage tube (3) wall, the lower extreme and double-walled bellows (2) intercommunication of drainage tube (3).
2. The construction structure for treating water seepage of a tunnel according to claim 1, wherein the upper end of the drainage tube (3) is coated with a non-woven fabric.
3. A construction structure for treating seepage water in tunnels according to claim 1, wherein the facing surface of the new secondary lining facing the inside is coated with a cement-based crystalline layer (5).
4. The construction structure for treating the water seepage of the tunnel according to claim 1, wherein the drainage tube (3) is a steel perforated tube with a diameter of 42mm and a wall thickness of 4mm, the diameter of the drainage holes (4) is 10mm, the longitudinal distance between the holes is 10cm, and the drainage holes (4) are distributed in a quincunx shape.
5. The construction structure for treating seepage water of a tunnel according to claim 1, wherein the gap between the double-wall corrugated pipe (2) and the new secondary lining is filled with the plugging cement (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020159583.3U CN211623450U (en) | 2020-02-10 | 2020-02-10 | Construction structure for treating water seepage of tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020159583.3U CN211623450U (en) | 2020-02-10 | 2020-02-10 | Construction structure for treating water seepage of tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156037A (en) * | 2020-02-10 | 2020-05-15 | 四川省交通勘察设计研究院有限公司 | Construction structure and method capable of intensively treating large-scale water seepage of tunnel |
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2020
- 2020-02-10 CN CN202020159583.3U patent/CN211623450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156037A (en) * | 2020-02-10 | 2020-05-15 | 四川省交通勘察设计研究院有限公司 | Construction structure and method capable of intensively treating large-scale water seepage of tunnel |
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