CN212671799U - Internal space arrangement of steel lining tunnel under high internal water pressure - Google Patents
Internal space arrangement of steel lining tunnel under high internal water pressure Download PDFInfo
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- CN212671799U CN212671799U CN202020632395.8U CN202020632395U CN212671799U CN 212671799 U CN212671799 U CN 212671799U CN 202020632395 U CN202020632395 U CN 202020632395U CN 212671799 U CN212671799 U CN 212671799U
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Abstract
The utility model discloses the technique belongs to the tunnel field, discloses a steel inside lining tunnel inner space arranges under high internal water pressure, including two linings in the tunnel and setting up steel pipe inside lining and a plurality of equipment pipeline in two linings in the tunnel, the welding has the muscle ring that adds on the outer wall of steel pipe inside lining, space department between equipment pipeline and steel pipe inside lining and the two linings in the tunnel is filled there is the concrete ring, it is equipped with a plurality of injected holes on the muscle ring to add. The internal space arrangement not only improves the space utilization rate to the maximum extent, but also saves the self-compacting concrete amount between the tunnel lining and the steel lining; and water can be directly passed through in the steel pipe inside lining, reduces interior water pressure to the destruction and the corruption of structure, makes tunnel self only need receive external water pressure to corrode, improves life.
Description
Technical Field
The utility model discloses the technique relates to the tunnel field, concretely relates to steel inside lining tunnel inner space arranges under high internal water pressure.
Background
In China, tunnels penetrate deeper and deeper, tunnels penetrate more and more, the penetrating length is longer and longer, and under the action of high internal water pressure, if a pipe jacking method is adopted for construction, the construction difficulty is higher and higher, while a common mine method tunnel is adopted, two linings of the tunnel can only bear external water pressure and surrounding rock pressure, but cannot bear high internal water pressure; in order to meet functional requirements, more and more water delivery projects have increasingly higher internal water pressure, the two linings of the tunnel cannot meet the internal water pressure requirement, and a steel pipe lining is required to be arranged in the tunnel to resist the internal water pressure; direct water of crossing in the steel pipe, interior water pressure is big, can't add other equipment pipelines and pass through, so in high interior water pressure tunnel, how let other equipment pipelines pass through the demand and improve tunnel life is the problem that we need solve.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a steel lining tunnel inner space arranges under high internal water pressure through the space between rational utilization tunnel and the steel lining, can let high internal water pressure pass through in realizing the tunnel, can let the purpose that other equipment pipelines pass through again.
In order to achieve the purpose, the invention specifically adopts the following technical scheme:
the utility model provides a steel lining tunnel inner space arranges under high internal water pressure, includes two linings in the tunnel and sets up steel pipe inside lining and a plurality of equipment pipeline in two linings in the tunnel, the welding has the muscle ring that adds on the outer wall of steel pipe inside lining, the space department between equipment pipeline and steel pipe inside lining and the two linings in the tunnel is filled there is the concrete ring, it is equipped with a plurality of injected holes on the muscle ring to add.
Further, in the above technical solution, the steel pipe lining and the tunnel secondary lining are of an eccentric structure, the axis of the steel pipe lining is located below the tunnel secondary lining, and the equipment pipeline is arranged above the inner cavity of the tunnel secondary lining.
Further, in the above technical solution, the concrete ring is a self-compacting concrete ring.
Further, in the above technical scheme, the grouting holes are uniformly distributed on the reinforcement ring.
The utility model has the advantages that: the steel pipe lining which resists high internal water pressure, other equipment pipelines and the reinforcing ring and the self-compacting concrete ring are arranged in the tunnel, so that the space utilization rate is improved to the greatest extent, and the self-compacting concrete amount between the tunnel lining and the steel lining is saved; and water is directly crossed in the steel pipe inside lining, reducible interior water pressure to the destruction and the corruption of structure, make tunnel self only need receive outer water pressure to corrode, and then strengthen tunnel structure's durability, improve life.
Drawings
FIG. 1 is a schematic cross-sectional view of a tunnel;
in the figure, 1-tunnel secondary lining, 2-steel pipe lining, 3-equipment pipeline, 4-reinforcing ring, 5-grouting hole and 6-concrete ring.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
As shown in fig. 1, the internal space arrangement of the steel lining tunnel under high internal water pressure comprises a tunnel secondary lining 1, a steel pipe lining 2 and a plurality of equipment pipelines 3, wherein the steel pipe lining 2 and the equipment pipelines 3 are arranged in the tunnel secondary lining, an inner cavity of the steel pipe lining 2 is used for water flow to pass through, the diameter of the steel pipe lining 2 is specifically determined according to the internal water pressure and the water passing area, and the equipment pipelines 3 are used for installing other equipment; in a specific embodiment, the steel pipe lining 2 and the tunnel secondary lining 1 are of an eccentric structure, the axis of the steel pipe lining 2 is located below the tunnel secondary lining, that is, the steel pipe lining 2 is arranged at a position close to the lower part in the tunnel secondary lining 1, and the equipment pipeline 3 is arranged above the outer wall of the steel pipe lining 2.
The outer wall of the steel pipe lining 2 is uniformly welded with a reinforcing ring 4, and a self-compacting concrete ring 6 is poured in a gap between the equipment pipeline 3 and the steel pipe lining 2 and the tunnel secondary lining 1; the reinforcing ring 4 can increase the connecting line between the steel pipe lining 2 and the concrete ring 6, and the height selectivity of the reinforcing ring is 250 mm. Evenly be provided with a plurality of injected holes 5 on the muscle ring 4 that adds, can effectively avoid adding the not compact problem of near 4 near concrete of filling of muscle ring, and is concrete, and the diameter in injected hole can be 100 mm.
The specific construction method comprises the following steps: when functional requirements require that high internal water pressure and other equipment pipelines pass through the tunnel, reasonable primary support and secondary lining are set according to the action of surrounding rock pressure and external water pressure in the normal construction process; then fixing other equipment pipelines required to pass through according to the reserved facilities in the secondary lining, fixing the lower part of the tunnel by using the steel pipe with internal water pressure resistance, welding a reinforcing ring on the outer wall of the steel pipe, and finally pouring self-compacting concrete between each steel pipe and the secondary lining.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a steel lining tunnel inner space arranges under high internal water pressure, its characterized in that, including two linings (1) in the tunnel and steel pipe inside lining (2) and a plurality of equipment pipeline (3) of setting in two linings (1) in the tunnel, the welding has on the outer wall of steel pipe inside lining (2) adds muscle ring (4), space department between equipment pipeline (3) and steel pipe inside lining (2) and two linings (1) in the tunnel is filled with concrete ring (6), be equipped with a plurality of injected holes (5) on adding muscle ring (4).
2. The arrangement of the internal space of the steel lining tunnel under high internal water pressure according to claim 1 is characterized in that the steel pipe lining (2) and the tunnel secondary lining (1) are eccentric structures, the axis of the steel pipe lining (2) is positioned below the tunnel secondary lining, and the equipment pipeline (3) is arranged above the inner side of the tunnel secondary lining (1).
3. The arrangement of the space inside a steel-lined tunnel under high internal water pressure according to claim 1, characterized in that the concrete ring (6) is a self-compacting concrete ring.
4. The arrangement of the internal space of a steel-lined tunnel under high internal water pressure according to claim 1, characterized in that the grouting holes (5) are evenly distributed on the reinforcement ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020632395.8U CN212671799U (en) | 2020-04-24 | 2020-04-24 | Internal space arrangement of steel lining tunnel under high internal water pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020632395.8U CN212671799U (en) | 2020-04-24 | 2020-04-24 | Internal space arrangement of steel lining tunnel under high internal water pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212671799U true CN212671799U (en) | 2021-03-09 |
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ID=74814238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020632395.8U Active CN212671799U (en) | 2020-04-24 | 2020-04-24 | Internal space arrangement of steel lining tunnel under high internal water pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212671799U (en) |
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2020
- 2020-04-24 CN CN202020632395.8U patent/CN212671799U/en active Active
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