CN204140084U - Shield tunnel - Google Patents
Shield tunnel Download PDFInfo
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- CN204140084U CN204140084U CN201420448267.2U CN201420448267U CN204140084U CN 204140084 U CN204140084 U CN 204140084U CN 201420448267 U CN201420448267 U CN 201420448267U CN 204140084 U CN204140084 U CN 204140084U
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- shield tunnel
- curved support
- cylindrical channel
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- 238000003466 welding Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model provides a kind of shield tunnel.This shield tunnel comprises: multiple cylindrical channel, and multiple cylindrical channel is in turn connected to form shield structure, and each cylindrical channel includes polylith curved support block, and polylith curved support block encloses formation cylindrical channel, and the internal diameter of cylindrical channel is 3m; Multiple fixture, multiple fixture is for being fixedly connected with two pieces of adjacent curved support blocks and adjacent two cylindrical channels.Shield tunnel of the present utility model can adapt to the cable of 110kV well, and structure is simple, cheap.
Description
Technical field
The utility model relates to cable tunnel technical field, more specifically, relates to a kind of shield tunnel.
Background technology
Current cable tunnel is generally positioned at below urban road, and construction method mainly contains Ming Kaifa, shallow burial hidden digging, pipe jacking method.Cut and cover method, due to numerous and jumbled by road municipal pipeline layout, recover the restriction of the factor such as greening, road cost height, only on little part rural road, open cut engineering method could be adopted to construct.Pipe jacking method is mainly used in soft clay area, less in the Beijing area application based on sandy gravel.Shallow buried covered excavation application of construction method is more, but it is mainly hand excavation, need anhydrous operation, and ground settlement is larger; When there being underground water or to ground settlement, there iing the area of strict demand need increase a large amount of technical measures, causing cost straight line to rise.
Utility model content
The utility model aim to provide a kind of cheap, structure simple, for the shield tunnel of cabling.
For solving the problems of the technologies described above, the utility model provides a kind of shield tunnel, shield tunnel comprises: multiple cylindrical channel, multiple cylindrical channel is in turn connected to form shield structure, each cylindrical channel includes polylith curved support block, polylith curved support block encloses formation cylindrical channel, and the internal diameter of cylindrical channel is 3m; Multiple fixture, multiple fixture is for being fixedly connected with two pieces of adjacent curved support blocks and adjacent two cylindrical channels.
Further, fixture is curved bolt.
Further, curved support block is individual layer reinforced concrete lining layer block.
Further, in the position of adjacent two pieces of curved support blocks contact, wherein one piece is provided with groove, another block is provided with the projection with groove fit.
Further, curved support block is five pieces, and two pieces in five pieces of curved support blocks is vertical bar shape in the projection of horizontal plane, two pieces at the rectangular trapezoidal shape of the projection of horizontal plane, one piece is isosceles trapezoid shape in the projection of horizontal plane.
Further, curved support block is provided with built-in fitting.
Further, built-in fitting is welding metalwork.
Further, the external diameter of cylindrical channel is 3.5m, and the length of cylindrical channel is 1m.
Further, shield tunnel also comprises cable bearer, and cable bearer is fixedly installed on built-in fitting.
Application the technical solution of the utility model, typical section due to current 110kV cable laying is mainly 2.0m × 2.1m rectangular cross section and the bent crowned section of 2.0m × 2.3m stalk, based on this typical section, and in conjunction with cable laying demand, in order to 110kV cable can be installed, in the utility model, the internal diameter of the cylindrical channel of shield tunnel is arranged 3m, and adopt polylith curved support block to form cylindrical channel, can adapt to the cable of 110kV well, and structure is simple, cheap.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the utility model shield tunnel half sectional view;
Fig. 2 schematically shows the partial enlarged view in the M region in Fig. 1;
Fig. 3 diagrammatically illustrates half sectional view when shield tunnel of the present utility model does not have an installing cables support; And
Fig. 4 diagrammatically illustrates the A-A view in Fig. 3.
Description of reference numerals: 10, cylindrical channel; 20, curved support block; 21, groove; 22, protruding; 30, fixture; 40, built-in fitting; 50, cable bearer.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
See shown in Fig. 1 to Fig. 4, according to embodiment of the present utility model, provide a kind of shield tunnel.This shield tunnel comprises multiple cylindrical channel 10 and multiple fixture 30.Wherein, multiple cylindrical channel 10 is in turn connected to form tunnel, and each cylindrical channel 10 includes polylith curved support block 20, and polylith curved support block 20 encloses and forms cylindrical channel 10, and the internal diameter of cylindrical channel 10 is 3m; Multiple fixture 30 is for being fixedly connected with two pieces of adjacent curved support blocks 20 and adjacent two cylindrical channels 10.Typical section due to current 110kV cable laying is mainly 2.0m × 2.1m rectangular cross section and the bent crowned section of 2.0m × 2.3m stalk, based on this typical section, and in conjunction with cable laying demand, in order to 110kV cable can be installed, in the present embodiment, the internal diameter of the cylindrical channel 10 of shield tunnel is arranged 3m, and adopt polylith curved support block 20 to form cylindrical channel, the cable of 110kV can be adapted to well, and structure is simple, cheap.
As shown in Figure 2, in order to polylith curved support block 20 and adjacent two cylindrical channels 10 being fixed together, the fixture 30 in the present embodiment is curved bolt to the concrete size of the shield tunnel of the present embodiment, and structure is simple, is convenient to install and fix.In order to be fixed together by polylith curved support block 20, adopt the curved bolt of 9 M24 to fix between cylindrical channel 10, the curved bolt by 10 M24 between polylith curved support block 20 is fixed.
Preferably, the external diameter of cylindrical channel 10 is 3.5m, and the length of cylindrical channel 10 is 1m.
Preferably, the curved support block 20 in the present embodiment is individual layer reinforced concrete lining layer block, and Stability Analysis of Structures, anti-collapse intensity is high.
Preferably, shown in Figure 3, the curved support block 20 of the present embodiment is five pieces, two pieces in five pieces of curved support blocks 20 is vertical bar shape in the projection of horizontal plane, two pieces at the rectangular trapezoidal shape of the projection of horizontal plane, one piece is isosceles trapezoid shape in the projection of horizontal plane, is convenient to stability that is assembled and the whole shield tunnel of raising.
Shown in Figure 2, in the position that adjacent two pieces of curved support blocks 20 contact, wherein one piece is provided with groove 21, another block is provided with the projection 22 coordinated with groove 21, is convenient to installation, effectively can improves the strength and stability of whole shield tunnel.
Preferably, the curved support block 20 of the present embodiment is provided with built-in fitting 40, is convenient to other structure installment in cylindrical channel 10.More preferably, built-in fitting 40 is welding metalwork, in the process of installing other structures, only needs by simple welding step, just can by other structure installment in cylindrical channel 10, and structure is simple, is convenient to realize.
The shield tunnel of the present embodiment also comprises cable bearer 50, and this cable bearer 50 is fixedly installed on built-in fitting 40.
Adopt the technical program of the present utility model, the inner space of cylindrical channel 10 can be applied to greatest extent, lay capacity consistent with 110kV typical section, adopt arc support can meet 110kV cable laying.The utility model reduces influence on groundwater simultaneously, realizes, to effective control of ground settlement, reducing the impact on surrounding environment, and speed of application is fast, and construction period can be avoided too much to take path resource.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a shield tunnel, is characterized in that, comprising:
Multiple cylindrical channel (10), multiple described cylindrical channel (10) is in turn connected to form described shield structure, each cylindrical channel (10) includes polylith curved support block (20), curved support block (20) described in polylith encloses and forms described cylindrical channel (10), and the internal diameter of described cylindrical channel (10) is 3m;
Multiple fixture (30), multiple described fixture (30) is for being fixedly connected with two pieces of adjacent described curved support blocks (20) and adjacent two cylindrical channels (10).
2. shield tunnel according to claim 1, is characterized in that, described fixture (30) is curved bolt.
3. shield tunnel according to claim 1, is characterized in that, described curved support block (20) is individual layer reinforced concrete lining layer block.
4. shield tunnel according to claim 1, it is characterized in that, in the position that adjacent two pieces of described curved support blocks (20) contact, wherein one piece is provided with groove (21), another block is provided with the projection (22) coordinated with described groove (21).
5. shield tunnel according to claim 1, it is characterized in that, described curved support block (20) is five pieces, two pieces in five pieces of described curved support blocks (20) is vertical bar shape in the projection of horizontal plane, two pieces at the rectangular trapezoidal shape of the projection of horizontal plane, one piece is isosceles trapezoid shape in the projection of horizontal plane.
6. shield tunnel according to claim 1, is characterized in that, described curved support block (20) is provided with built-in fitting (40).
7. shield tunnel according to claim 6, is characterized in that, described built-in fitting (40) is welding metalwork.
8. shield tunnel according to claim 1, is characterized in that, the external diameter of described cylindrical channel (10) is 3.5m, and the length of described cylindrical channel (10) is 1m.
9. shield tunnel according to claim 6, is characterized in that, described shield tunnel also comprises cable bearer (50), and described cable bearer (50) is fixedly installed on described built-in fitting (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448267.2U CN204140084U (en) | 2014-08-08 | 2014-08-08 | Shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448267.2U CN204140084U (en) | 2014-08-08 | 2014-08-08 | Shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140084U true CN204140084U (en) | 2015-02-04 |
Family
ID=52416777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420448267.2U Active CN204140084U (en) | 2014-08-08 | 2014-08-08 | Shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486039A (en) * | 2019-09-26 | 2019-11-22 | 西南交通大学 | A kind of multiduty shield tunnel lining structure |
-
2014
- 2014-08-08 CN CN201420448267.2U patent/CN204140084U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486039A (en) * | 2019-09-26 | 2019-11-22 | 西南交通大学 | A kind of multiduty shield tunnel lining structure |
| CN110486039B (en) * | 2019-09-26 | 2024-05-07 | 西南交通大学 | Multipurpose shield tunnel lining structure |
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| C14 | Grant of patent or utility model | ||
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