CN208330398U - A kind of pressurized water transmission Shield tunnel liner structure of independent bearing - Google Patents
A kind of pressurized water transmission Shield tunnel liner structure of independent bearing Download PDFInfo
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- CN208330398U CN208330398U CN201821013237.3U CN201821013237U CN208330398U CN 208330398 U CN208330398 U CN 208330398U CN 201821013237 U CN201821013237 U CN 201821013237U CN 208330398 U CN208330398 U CN 208330398U
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- steel pipe
- duct piece
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- lined steel
- pressurized water
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Abstract
The utility model discloses a kind of pressurized water transmission Shield tunnel liner structures of independent bearing, including shield duct piece, draining floral tube, cushion separation layer, self-compacting concrete layer and lined steel pipe, lined steel pipe is placed on the inside of shield duct piece, self-compacting concrete layer is filled between shield duct piece and lined steel pipe, cushion separation layer is embedded on the outside of self-compacting concrete layer, on the inside of shield duct piece, draining floral tube is several, is distributed between shield duct piece and cushion separation layer.The utility model, which is able to achieve shield duct piece and lined steel pipe and separates stress, not to be interfere with each other, and meets structure internal pressure bearing capacity and critical external compressive resistance stability requirement, and highly-safe.
Description
Technical field
The utility model relates to the engineering technology of tunnel, relate in particular to a kind of pressurized water transmission shield tunnel of independent bearing
Hole liner structure.
Background technique
Pressurized water transmission Shield tunnel has that water delivery distance, internal water pressure are high, buried depth is big, the hydrology and complex geologic conditions etc.
Feature.At present usually there is following aspect in pressurized water transmission Shield tunnel inner lining structure: 1) it is the economy of realizing engineering,
The steel production lined steel pipe for using strength grade high is to reduce wall thickness, but the reduction of lined steel pipe wall thickness causes overall stiffness to drop
Low, critical external compressive resistance ability reduces；2) generally unavoidably there is in construction manufacturing process size fabrication error, welding in lined steel pipe
The problems such as residual stress field, weld defect, and these problems have large effect to steel pipe critical external compressive resistance stabilization；3) lined steel pipe with
Outside concrete is difficult to compatible deformation collective effect, shows that lined steel pipe bears internal water pressure dilatancy, outside concrete
Then therefore spalling, in pressurized water transmission tunnel water-filling and after being vented operating condition alternately and repeatedly, concrete exits work on the outside of lined steel pipe,
Only lined steel pipe individually carries, to influence structure safety.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of pressurized water transmissions of independent bearing
Shield tunnel liner structure realizes that shield duct piece separates stress with lined steel pipe and do not interfere with each other, meets structure internal pressure bearing capacity
And critical external compressive resistance stability requirement, and it is highly-safe.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pressurized water transmission Shield tunnel liner structure of independent bearing, including shield duct piece, draining floral tube, cushion isolation
Layer, self-compacting concrete layer and lined steel pipe, lined steel pipe are placed on the inside of shield duct piece, and self-compacting concrete layer is filled in shield
Between section of jurisdiction and lined steel pipe, cushion separation layer is embedded on the outside of self-compacting concrete layer, on the inside of shield duct piece, and draining floral tube is
Several, are distributed between shield duct piece and cushion separation layer.
Further, cushion separation layer is in 240 degree of circle-shaped polyethylene foam sheets.
Further, the outer surface of lined steel pipe is disposed with several stiffening rings, and stiffening ring is embedded in self-compacting concrete layer.
Further, longitudinal equidistantly distributed of several stiffening rings along lined steel pipe.
Further, the outer surface of lined steel pipe is disposed with steel mesh, and steel mesh is embedded in self-compacting concrete layer, and reinforcing bar
Net is fixedly welded on the outside of stiffening ring.
Compared with prior art, the utility model has the following beneficial effects:
The utility model makes shield duct piece and lined steel pipe separate stress not interfere with each other, the drainage that draining floral tube is formed
Reduce external water pressure effect；Solve the reduction of lined steel pipe wall thickness, and size fabrication error, weldering in construction manufacturing process
Connect the brings critical external compressive resistance stable problem such as residual stress field, weld defect；Solve pressurized water transmission Shield tunnel water-filling and emptying
Operating condition alternately and repeatedly after, self-compacting concrete layer is retired to influence the problem of structure safety.The utility model is particularly preferably suitable
For geological conditions to be poor or overlying strata thinner thickness, it is difficult to which, using Wall rock resistance on the outside of shield, internal water pressure is high, buried depth is big, outer
The big water delivery Shield tunnel of water pressure reaches under the premise of meeting structure internal pressure bearing capacity and critical external compressive resistance stability requirement
Technologically advanced, cost economic, practical reasonable purpose.
Detailed description of the invention
Fig. 1 is the sectional elevation of the pressurized water transmission Shield tunnel liner structure of the utility model independent bearing；
Fig. 2 is the longitudinal section view of the pressurized water transmission Shield tunnel liner structure of the utility model independent bearing.
In figure: 1, shield duct piece；2, floral tube is drained；3, cushion separation layer；4, self-compacting concrete layer；5, lined steel pipe；
6, stiffening ring；7, steel mesh.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
A kind of pressurized water transmission Shield tunnel liner structure of independent bearing as shown in Figs. 1-2, including shield duct piece 1, row
Spray pipe 2, cushion separation layer 3, self-compacting concrete layer 4 and lined steel pipe 5, lined steel pipe 5 are placed in 1 inside of shield duct piece, from
Air-free concrete layer 4 is filled between shield duct piece 1 and lined steel pipe 5, and cushion separation layer 3 circle-shaped is embedded at oneself in 240 degree
4 outside of air-free concrete layer, 1 inside of shield duct piece, draining floral tube 2 is several, is distributed in shield duct piece 1 and cushion separation layer
Between 3.
Cushion separation layer 3 and draining floral tube 2 are set on the inside of shield duct piece 1, realizes isolation and draining, makes shield duct piece
1, which separates stress with lined steel pipe 5, does not interfere with each other, and the drainage that draining floral tube 2 is formed reduces external water pressure effect；Inner lining steel
The longitudinal spaced set stiffening ring 6 in 5 outside of pipe solves the reduction of 5 wall thickness of lined steel pipe, and the size in construction manufacturing process
The brings critical external compressive resistance stable problem such as fabrication error, Residual stresses, weld defect；Steel is arranged on the outside of lined steel pipe 5
Muscle net 7 and stiffening ring 6 weld, and are embedded in self-compacting concrete layer 4, so that self-compacting concrete layer 4 and lined steel pipe 5 are coordinated
Collective effect is deformed, after solving pressurized water transmission Shield tunnel water-filling and emptying operating condition alternately and repeatedly, self-compacting concrete layer is retired
To influence the problem of structure safety.The utility model is particularly preferably suitable for that geological conditions is poor or overlying strata thinner thickness, difficult
With using Wall rock resistance on the outside of shield, the water delivery Shield tunnel that internal water pressure is high, buried depth is big, external water pressure is big is meeting structure
Under the premise of internal pressure bearing capacity and critical external compressive resistance stability requirement, technologically advanced, cost economic, practical reasonable purpose are reached.
As a preferred embodiment, the cushion separation layer 3 of this example is in 240 degree of circle-shaped polyethylene foam sheets.
As a preferred embodiment, the outer surface of the lined steel pipe 5 of this example is disposed with several stiffening rings 6, stiffening ring
It is embedded in self-compacting concrete layer 4.Specifically, longitudinal equidistantly distributed of several stiffening rings 6 along lined steel pipe 5.Lined steel pipe 5
Outer surface be disposed with steel mesh 7, steel mesh 7 is embedded in self-compacting concrete layer 4, and steel mesh 7 is fixedly welded on stiffening ring 6
Outside.
Specific in the present embodiment, setting five diameters on the inside of shield duct piece 1 as the draining floral tube 2 of 50mm, with cushion every
Absciss layer 3 forms isolation drainage layer, reduces external water pressure effect by way of white-out infiltration, reduction osmotic pressure.Lined steel pipe 5 uses
The high steel Q345C of strength grade, wall thickness is by using 30mm when ordinary carbon steel Q235C to be reduced to 20mm, further significantly
Reduce project cost.5 outside of lined steel pipe is longitudinal to arrange a stiffening ring 6 at a certain distance, is divided into 1m between this example, puts more energy into
Ring 6 uses steel Q345C, high 120mm, wide 20mm.Steel mesh 7 is arranged on the outside of lined steel pipe 5, uses diameter for the steel of 8mm
Muscle, the longitudinal pitch of each reinforcing bar and circumferential spacing are 200mm, and steel mesh 7 and the welding of stiffening ring 6 form one.In conjunction with liner
High performance flowing concrete layer 4, stiffening ring 6, steel mesh 7, self-compacting concrete layer are filled between steel pipe 5 and shield duct piece 1
4,5 quaternity of lined steel pipe forms composite structure, makees jointly in conjunction with self-compacting concrete layer 4 and 5 compatible deformation of lined steel pipe
With greatly reducing wall thickness, reduce project cost.
The embodiments of the present invention is without being limited thereto, according to the above content of the utility model, utilizes the general of this field
Logical technological know-how and customary means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model may be used also
To make the modification, replacement or change of other diversified forms, all fall within the utility model rights protection scope.
Claims (5)
1. a kind of pressurized water transmission Shield tunnel liner structure of independent bearing, which is characterized in that including shield duct piece, draining flower
Pipe, cushion separation layer, self-compacting concrete layer and lined steel pipe, lined steel pipe are placed on the inside of shield duct piece, self-compacting concrete
Layer is filled between shield duct piece and lined steel pipe, and cushion separation layer is embedded on the outside of self-compacting concrete layer, in shield duct piece
Side, draining floral tube is several, is distributed between shield duct piece and cushion separation layer.
2. the pressurized water transmission Shield tunnel liner structure of independent bearing according to claim 1, which is characterized in that cushion every
Absciss layer is in 240 degree of circle-shaped polyethylene foam sheets.
3. the pressurized water transmission Shield tunnel liner structure of independent bearing according to claim 1 or 2, which is characterized in that interior
The outer surface of lined steel pipe is disposed with several stiffening rings, and stiffening ring is embedded in self-compacting concrete layer.
4. the pressurized water transmission Shield tunnel liner structure of independent bearing according to claim 3, which is characterized in that Ruo Ganjia
Longitudinal equidistantly distributed of the strength ring along lined steel pipe.
5. the pressurized water transmission Shield tunnel liner structure of independent bearing according to claim 4, which is characterized in that inner lining steel
The outer surface of pipe is disposed with steel mesh, and steel mesh is embedded in self-compacting concrete layer, and steel mesh is fixedly welded on outside stiffening ring
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013237.3U CN208330398U (en) | 2018-06-28 | 2018-06-28 | A kind of pressurized water transmission Shield tunnel liner structure of independent bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013237.3U CN208330398U (en) | 2018-06-28 | 2018-06-28 | A kind of pressurized water transmission Shield tunnel liner structure of independent bearing |
Publications (1)
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| CN208330398U true CN208330398U (en) | 2019-01-04 |
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| CN201821013237.3U Active CN208330398U (en) | 2018-06-28 | 2018-06-28 | A kind of pressurized water transmission Shield tunnel liner structure of independent bearing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899110A (en) * | 2019-04-15 | 2019-06-18 | 广东省水利电力勘测设计研究院 | A kind of composite water draining board and its design method |
| CN110043314A (en) * | 2019-05-06 | 2019-07-23 | 温州市瓯江引水发展有限公司 | A kind of tunnel structure of quality classification water supply |
| CN110735651A (en) * | 2019-09-11 | 2020-01-31 | 北京翔鲲水务建设有限公司 | through-hole pipe self-compacting concrete pouring construction method |
| CN110985052A (en) * | 2019-12-12 | 2020-04-10 | 中铁十八局集团第五工程有限公司 | Self-compacting concrete pouring construction process method |
| CN112593973A (en) * | 2020-11-17 | 2021-04-02 | 广东省水利电力勘测设计研究院有限公司 | Hydraulic tunnel composite lining structure and manufacturing method thereof |
| CN113699962A (en) * | 2021-08-19 | 2021-11-26 | 湖北省交通规划设计院股份有限公司 | Steel water delivery gallery structure suitable for ship lock centralized water delivery system and construction method |
-
2018
- 2018-06-28 CN CN201821013237.3U patent/CN208330398U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899110A (en) * | 2019-04-15 | 2019-06-18 | 广东省水利电力勘测设计研究院 | A kind of composite water draining board and its design method |
| CN110043314A (en) * | 2019-05-06 | 2019-07-23 | 温州市瓯江引水发展有限公司 | A kind of tunnel structure of quality classification water supply |
| CN110735651A (en) * | 2019-09-11 | 2020-01-31 | 北京翔鲲水务建设有限公司 | through-hole pipe self-compacting concrete pouring construction method |
| CN110735651B (en) * | 2019-09-11 | 2022-01-28 | 北京清河水利建设集团有限公司 | Self-compacting concrete pouring construction method for through-hole pipe |
| CN110985052A (en) * | 2019-12-12 | 2020-04-10 | 中铁十八局集团第五工程有限公司 | Self-compacting concrete pouring construction process method |
| CN112593973A (en) * | 2020-11-17 | 2021-04-02 | 广东省水利电力勘测设计研究院有限公司 | Hydraulic tunnel composite lining structure and manufacturing method thereof |
| CN112593973B (en) * | 2020-11-17 | 2022-08-19 | 广东省水利电力勘测设计研究院有限公司 | Hydraulic tunnel composite lining structure and manufacturing method thereof |
| CN113699962A (en) * | 2021-08-19 | 2021-11-26 | 湖北省交通规划设计院股份有限公司 | Steel water delivery gallery structure suitable for ship lock centralized water delivery system and construction method |
| CN113699962B (en) * | 2021-08-19 | 2022-09-27 | 湖北省交通规划设计院股份有限公司 | Steel water delivery gallery structure suitable for ship lock centralized water delivery system and construction method |
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