CN208024349U - Shield tunnel end vertical frozen plate consolidation by freezing structure - Google Patents
Shield tunnel end vertical frozen plate consolidation by freezing structure Download PDFInfo
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- CN208024349U CN208024349U CN201820370534.7U CN201820370534U CN208024349U CN 208024349 U CN208024349 U CN 208024349U CN 201820370534 U CN201820370534 U CN 201820370534U CN 208024349 U CN208024349 U CN 208024349U
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- vertical
- frozen plate
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- shield tunnel
- vertical frozen
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of shield tunnel end vertical frozen plate consolidation by freezing structures, being included in setting in the soil body in front of the ground-connecting-wall of shield tunnel end, there are one slots, vertical frozen plate is placed in slot, vertical frozen plate includes shell, in shell symmetrical full of twists and turns shape low temperature refrigerant medium circulating circuit is separated to form by several vertical clapboards disposed in parallel, the inlet and liquid outlet being connected to respectively with the circulation loop both ends are provided on shell, inlet and liquid outlet are respectively correspondingly connect with inlet tube and outlet tube.Coolant media out of, inlet flows into vertical frozen plate shell, is flowed out from liquid outlet by outlet tube by inlet tube, forms the coolant media of cycle in the shell of vertical frozen plate, the smooth inlet and outlet cave of shield machine under the protection of vertical frozen wall.The utility model has many advantages, such as that saving duration, construction are highly practical, quality control on construction is convenient, consolidation effect especially water-stagnating effect is good and safe and reliable, has larger application value.
Description
Technical field
The utility model is related to a kind of vertical frozen plate consolidation by freezing structure more particularly to a kind of shield tunnel end are vertical
Freezing board consolidation by freezing structure.
Background technology
The reinforcing of shield tunnel end is the key link in shield construction, has prodigious engineering construction risk.In shield
When structure export & import, the diaphram wall that first carry out portal region is abolished, and cuts off all reinforcing bars.Portal abolishes the time of requirement
Very tight, difficulty of construction is big.Portal is very high to reinforcing body intensity and sealing requirements after abolishing, when consolidation effect is bad, in hole
Easily there is shield in door when abolishing and portal gap gushes mud and gushes sand and ground settlement phenomenon, and then jeopardizes underground utilities nearby and build
Build the safety of object.To prevent such phenomenon from occurring, it is necessary to rational shield tunnel end stratum consolidation processing scheme is selected, with full
Sufficient intensity and impervious requirement.
When coastal soft clay area, especially shield tunnel end stratum are rich aquifer sand layer, added using conventional chemistry
Gu means are extremely difficult to engine request, serious leak sand leakage phenomenon can have usually been found when inspecting hole after chemical consolidation.At this point, being
Shield tunnel end soil body intensity and abundant sealing are improved, ensures shield export & import safety, how to be selected in rich aquifer sand layer end
It is the technical issues that need to address to select stratum consolidation mode.
To solve the above problems, often carrying out the soil body using horizontal or vertical freezing process in the shield tunnel end of soft clay area
It reinforces（Such as 104790961 A of Chinese patent CN）, still, horizontal or vertical freezing process is either used, all there is multiple freeze
The installation question of pipe, it usually needs it drills one by one, another one decentralization freezing pipe, pipeline also ten when installing freezing system
Point cumbersome, the duration is longer.
205276250 U of Chinese patent application CN disclose a kind of underwater manual pipe jacking plate, including steel plate shell, in steel
Bottom is provided with freezing pipe in plate shell, and top is filled with heat-insulation material, the jelly in freezing pipe top to steel plate shell body
Pipe is tied in steel plate shell body in symmetrical full of twists and turns shape, one end is inlet, inlet stretch out steel plate shell with it is external into
Liquid pipe is connected to, and the other end is liquid outlet, and liquid outlet stretches out steel plate shell and is connected to external outlet tube.But the patent is mainly frozen
The firmly soil body of freezing board lower part, so, its top includes insulating layer, prevents cold from liquid above is freezed, the structure
It can not adapt to the reinforcing of shield tunnel end.
Utility model content
The purpose of this utility model is to provide a kind of shield tunnel end vertical frozen plate consolidation by freezing structure, by shield
Vertical frozen plate is buried in the soil body before structure tunnel end, or is located proximate to pre-buried vertical frozen at the soil body in ground-connecting-wall portal
Plate, and the circulating refrigerant medium in vertical frozen plate finally form vertical frozen wall reinforcing body in the stratum of shield tunnel end,
Reach the saving duration, construction is highly practical, quality control on construction is convenient, consolidation effect especially water-stagnating effect is good and safe and reliable
Outstanding advantages of.
The technical solution that the utility model is taken is：
A kind of shield tunnel end vertical frozen plate consolidation by freezing structure, is included in front of the ground-connecting-wall of shield tunnel end
Setting is there are one slot in the soil body, places vertical frozen plate in slot, and the vertical frozen plate includes shell, by several parallel in shell
The vertical clapboard of setting is separated to form symmetrical full of twists and turns shape low temperature refrigerant medium circulating circuit, be provided on shell respectively with institute
The inlet and liquid outlet of the connection of circulation loop both ends are stated, inlet and liquid outlet respectively correspondingly connect with inlet tube and outlet tube
It connects.
A kind of shield tunnel end vertical frozen plate consolidation by freezing structure, is included in the hole in the ground-connecting-wall of shield tunnel end
Door is located proximate to vertical frozen plate prefabricated at the soil body in front, and the vertical frozen plate includes shell, is put down by several in shell
The vertical clapboard of row setting is separated to form symmetrical full of twists and turns shape low temperature refrigerant medium circulating circuit, be provided on shell respectively with
The inlet and liquid outlet of circulation loop both ends connection, inlet and liquid outlet respectively correspondingly with inlet tube and outlet tube
Connection.
Coolant media out of, inlet flows into vertical frozen plate shell, passes through outlet tube stream by inlet tube from liquid outlet
Go out, forms the coolant media of cycle in the shell of vertical frozen plate.
There is gap between wherein one end of the vertical clapboard and inner walls, remaining edge is sealed with inner walls respectively to be connected
It connects.
Two adjacent gaps between vertical clapboard and inner walls up and down be staggered, i.e., two neighboring vertical clapboard it is upper
Lower difference end is connect with inner walls respectively, between the cavity and vertical clapboard one end and inner walls that are formed between multiple vertical clapboards
Gap the U-shaped circuit of full of twists and turns Symmetrical Continuous is integrally formed.
The thickness of the vertical frozen plate is 100mm-500mm.
The thickness of the vertical frozen plate is 200mm.
The vertical frozen plate is cuboid.
The length of side of the vertical frozen plate is more than or equal to portal diameter.
The material of the shell is plastic material.
The material of the shell is steel.
Vertical frozen plate top is provided with multiple lifting points.
Liner is arranged in the ground-connecting-wall medial surface.
The beneficial effects of the utility model：The utility model is by burying vertical freeze in the soil body before shield tunnel end
Knot tying, or it is located proximate to pre-buried vertical frozen plate at the soil body in ground-connecting-wall portal, pass through the circulating refrigerant in vertical frozen plate
Medium finally forms vertical frozen wall reinforcing body, the shield machine under the protection of vertical frozen wall in the stratum of shield tunnel end
Smooth inlet and outlet cave.The duration, construction is highly practical, quality control on construction is convenient, consolidation effect is special with saving for the utility model
It is not outstanding advantages of water-stagnating effect is good and safe and reliable, there is larger application value.
Description of the drawings
Fig. 1 is 1 longitudinal profile structure schematic of embodiment；
Fig. 2 is 2 longitudinal profile structure schematic of embodiment；
Fig. 3 is vertical frozen plate consolidation by freezing transverse cross-sectional view；
Fig. 4 is the plan view of embodiment 1；
Fig. 5 is the plan view of embodiment 2；
Fig. 6 is the structural plan figure of vertical frozen plate；
Fig. 7 is the elevation of vertical frozen plate；
Fig. 8 is the facade section of vertical frozen plate；
Wherein：2. vertical frozen plate；3. ground-connecting-wall；4. shield machine；5. liner；6. shell；7. lifting point；8. inlet；
9. liquid outlet；10. vertical clapboard；11. inlet tube；12. outlet tube；13. portal.
Specific implementation mode
Structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influencing this practicality
Under the effect of type can be generated and the purpose that can reach, it should all still fall and obtain and can contain in the revealed technology contents of the utility model
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.Below in conjunction with the accompanying drawings with preferred reality
Applying example, the utility model is described in further detail.
Embodiment 1：
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 6-Fig. 8, shield tunnel end vertical frozen plate consolidation by freezing structure is included in shield
Setting places vertical frozen plate 2, the vertical frozen plate 2 there are one slot in slot in the soil body in the front of structure tunnel end ground-connecting-wall 3
Including shell 6, symmetrical full of twists and turns shape low temperature refrigerant medium is separated to form by several vertical clapboards 10 disposed in parallel in shell 6
Circulation loop is provided with the inlet 8 being connected to respectively with the circulation loop both ends and liquid outlet 9,8 He of inlet on shell 6
Liquid outlet 9 is respectively correspondingly connect with inlet tube 11 and outlet tube 12.Liner 5 is arranged in 3 medial surface of ground-connecting-wall.
Coolant media by inlet tube 11 from inlet 8 flow into vertical frozen plate shell 6 in, from liquid outlet 9 by going out
Liquid pipe 12 flows out, and the coolant media of cycle is formed in the shell 6 of vertical frozen plate 2.
There is gap between 6 inner wall of wherein one end and shell of vertical clapboard 10, remaining edge is sealed with inner walls respectively to be connected
It connects.Gap between adjacent 6 inner wall of two vertical clapboards 10 and shell is staggered up and down, i.e., two neighboring vertical clapboard 10 is upper
Lower difference end is connect with inner walls respectively, between the cavity and vertical clapboard one end and inner walls that are formed between multiple vertical clapboards
Gap the U-shaped circuit of full of twists and turns Symmetrical Continuous is integrally formed.
As Figure 6-Figure 8, vertical frozen plate 2 is by 10 groups of shell 6, inlet 8, liquid outlet 9, lifting point 7 and partition board
At, low temperature refrigerant medium is flowed into from inlet 8 in shell 6, is flowed out from liquid outlet 9, and low temperature refrigerant medium is constantly recycled, to
The substance that will be close to vertical frozen plate 2 freezes, and Frozen Soil Cylinder is formed, using the lifting point 7 on vertical frozen plate 2 to vertical
Freezing board 2 carries out installation and extracts work.U-shaped circuit is arranged by partition board 10 in shell 6, low temperature refrigerant medium is from inlet 8
It flows into the U-shaped circuit in shell 6, by the U-shaped circuit symmetrically arranged in shell 6, is flowed out from liquid outlet 9, constantly
Low temperature refrigerant medium is recycled, Frozen Soil Cylinder is formed；The material of shell 6 is steel or the plastics material using PVC, PPR, ABS, PE
Matter, when using plastic material, no matter vertical frozen plate 2 is placed in the soil before end or is embedded in ground-connecting-wall 3, shield machine 4
Vertical frozen plate 2 can be directly cut, does not have to extract；When according to steel material, vertical frozen plate 2 can only be embedded in shield
In the soil body before tunnel end, and need shield machine after extracting vertical frozen plate 2 that could pass in and out portal 13.
The thickness of vertical frozen plate 2 can be 100mm-500mm, and usually 200mm, 2 lateral dimension of vertical frozen plate are usual
It is square, horizontal area >=portal 3m ranges, the i.e. length of side of vertical frozen plate 2 >=portal diameter+6m up and down, i.e., vertically
Side ratio portal diameter big 6m, the general portal diameter 6.7m of freezing board, in addition each 3m of the right and left, so general vertical frozen
A length of 6.7+6=the 12.7m of edges of boards.When in the soil body before vertical frozen plate 2 is arranged in shield tunnel end, positional distance
Even 3 side 300-400mm of wall.
The utility model is by burying vertical frozen plate 2 in the soil body before shield tunnel end, or in 3 hole of ground-connecting-wall
Door is located proximate to pre-buried vertical frozen plate 2 at the soil body, by the circulating refrigerant medium in vertical frozen plate 2, finally in shield tunnel
Vertical frozen wall reinforcing body is formed in the stratum of road end, shield machine 4 smoothly passes in and out portal 13 under the protection of vertical frozen wall.This
Utility model have save that the duration, the highly practical, quality control on construction of construction is convenient, consolidation effect especially water-stagnating effect is good and
Outstanding advantages of safe and reliable, has larger application value.
Embodiment 2：
As shown in Fig. 2, Fig. 3, Fig. 5, Fig. 6-Fig. 8, shield tunnel end vertical frozen plate consolidation by freezing structure is included in shield
Portal 13 in structure tunnel end ground-connecting-wall 3 is located proximate to vertical frozen plate 2 prefabricated at the soil body in front, the vertical frozen
Plate 2 includes shell 6, and shell 6 is interior to be separated to form symmetrical full of twists and turns shape low temperature refrigerant by several vertical clapboards 10 disposed in parallel
Medium circulating circuit is provided with the inlet 8 being connected to respectively with the circulation loop both ends and liquid outlet 9, inlet on shell 6
8 and liquid outlet 9 respectively correspondingly connect with inlet tube 11 and outlet tube 12.3 medial surface of ground-connecting-wall connects with liner 5.
Coolant media by inlet tube 11 out of, inlet 8 flows into vertical frozen plate 2 shell 6, from liquid outlet 9 by going out
Liquid pipe 12 flows out, and the coolant media of cycle is formed in the shell 6 of vertical frozen plate 2.
As shown in Fig. 6, Fig. 7 or Fig. 8, vertical frozen plate 2 is by shell 6, inlet 8, liquid outlet 9, lifting point 7 and partition board
10 compositions, low temperature refrigerant medium are flowed into from inlet 8 in shell 6, are flowed out from liquid outlet 9, and low temperature refrigerant medium is constantly recycled,
Substance to will be close to vertical frozen plate 2 freezes, and forms Frozen Soil Cylinder, right using the lifting point 7 on vertical frozen plate 2
Vertical frozen plate 2 carries out installation and extracts work.U-shaped circuit is arranged by partition board 10 in shell 6, low temperature refrigerant medium is from feed liquor
Mouth 8 flows into the U-shaped circuit in shells 6, by the U-shaped circuit symmetrically arranged in shell 6, is flowed out from liquid outlet 9, constantly
Ground recycles low temperature refrigerant medium, forms Frozen Soil Cylinder；The material of shell 6 is steel or the plastics material using PVC, PPR, ABS, PE
Matter, when using plastic material, no matter vertical frozen plate 2 is placed in the soil before end or is embedded in ground-connecting-wall 3, shield machine 4
Vertical frozen plate 2 can be directly cut, does not have to extract.
The thickness of vertical frozen plate 2 can be 100mm-500mm, and usually 200mm, 2 lateral dimension of vertical frozen plate are usual
It is square, horizontal area >=portal 3m ranges, the i.e. length of side of vertical frozen plate 2 >=portal diameter+6m up and down, i.e., vertically
Side ratio portal diameter big 6m, the general portal diameter 6.7m of freezing board, in addition each 3m of the right and left, so general vertical frozen
A length of 6.7+6=the 12.7m of edges of boards.When vertical frozen plate 2 is embedded in ground-connecting-wall 3, vertical frozen plate 2 is removed with steel reinforcement cage one
13 front of portal is put into close to soil body side.
The utility model by before shield tunnel end 3 portal of ground-connecting-wall be located proximate to pre-buried vertical frozen plate at the soil body
2, by the circulating refrigerant medium in vertical frozen plate 2, vertical frozen wall is finally formed in the stratum of shield tunnel end and is reinforced
Body, shield machine 4 smoothly passes in and out portal 13 under the protection of vertical frozen wall.The utility model, which has, saves duration, construction practicality
Property it is strong, quality control on construction is convenient, consolidation effect especially water-stagnating effect is good and safe and reliable outstanding advantages of, have it is larger
Application value.
The explanation of above example is only intended to the method and its core concept that help understands the utility model；Meanwhile it is right
It is had in specific embodiments and applications according to the thought of the utility model in those of ordinary skill in the art
Change place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of shield tunnel end vertical frozen plate consolidation by freezing structure, characterized in that with being included in shield tunnel end even
Setting is there are one slot in the soil body in front of wall, places vertical frozen plate in slot, and the vertical frozen plate includes shell, in shell by
Several vertical clapboards disposed in parallel are separated to form symmetrical full of twists and turns shape low temperature refrigerant medium circulating circuit, are provided on shell
The inlet and liquid outlet being connected to respectively with the circulation loop both ends, inlet and liquid outlet respectively correspondingly with inlet tube and
Outlet tube connects.
2. a kind of shield tunnel end vertical frozen plate consolidation by freezing structure, characterized in that with being included in shield tunnel end even
Portal in wall is located proximate to prefabricated vertical frozen plate at the soil body in front, and the vertical frozen plate includes shell, in shell
It is separated to form symmetrical full of twists and turns shape low temperature refrigerant medium circulating circuit by several vertical clapboards disposed in parallel, is arranged on shell
Have an inlet and liquid outlet being connected to respectively with the circulation loop both ends, inlet and liquid outlet respectively correspondingly with inlet tube
It is connected with outlet tube.
3. vertical frozen plate consolidation by freezing structure in shield tunnel end as claimed in claim 1 or 2, characterized in that described perpendicular
There are gap, remaining edge to be tightly connected respectively with inner walls between wherein one end of partition board and inner walls.
4. vertical frozen plate consolidation by freezing structure in shield tunnel end as claimed in claim 3, characterized in that adjacent two
Gap between vertical clapboard and inner walls is staggered up and down, i.e., the ends different up and down of two neighboring vertical clapboard respectively with shell
Inner wall connects, and detour is integrally formed in the gap between the cavity and vertical clapboard one end and inner walls that are formed between multiple vertical clapboards
The tortuous U-shaped circuit of Symmetrical Continuous.
5. vertical frozen plate consolidation by freezing structure in shield tunnel end as claimed in claim 1 or 2, characterized in that described to hang down
The thickness of straight freezing board is 100mm-500mm.
6. vertical frozen plate consolidation by freezing structure in shield tunnel end as claimed in claim 1 or 2, characterized in that described to hang down
Straight freezing board is cuboid.
7. vertical frozen plate consolidation by freezing structure in shield tunnel end as claimed in claim 1 or 2, characterized in that described to hang down
The length of side of straight freezing board is more than or equal to portal diameter.
8. vertical frozen plate consolidation by freezing structure in shield tunnel end as claimed in claim 1 or 2, characterized in that the shell
The material of body is plastic material.
9. vertical frozen plate consolidation by freezing structure in shield tunnel end as described in claim 1, characterized in that the shell
Material is steel.
10. vertical frozen plate consolidation by freezing structure in shield tunnel end as claimed in claim 1 or 2, characterized in that described to hang down
Straight freezing board top is provided with multiple lifting points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820370534.7U CN208024349U (en) | 2018-03-19 | 2018-03-19 | Shield tunnel end vertical frozen plate consolidation by freezing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820370534.7U CN208024349U (en) | 2018-03-19 | 2018-03-19 | Shield tunnel end vertical frozen plate consolidation by freezing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024349U true CN208024349U (en) | 2018-10-30 |
Family
ID=63906997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820370534.7U Expired - Fee Related CN208024349U (en) | 2018-03-19 | 2018-03-19 | Shield tunnel end vertical frozen plate consolidation by freezing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208024349U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561324A (en) * | 2020-04-29 | 2020-08-21 | 中铁十二局集团有限公司 | Construction method for shield tunneling machine to penetrate through underground diaphragm wall |
| CN112081595A (en) * | 2019-06-14 | 2020-12-15 | 宏润建设集团股份有限公司 | Shield construction method, and waterproof and monitoring method for shield construction |
| CN113468630A (en) * | 2021-05-13 | 2021-10-01 | 海南大学 | Shield tunnel starting end reinforcement scheme optimization method |
-
2018
- 2018-03-19 CN CN201820370534.7U patent/CN208024349U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081595A (en) * | 2019-06-14 | 2020-12-15 | 宏润建设集团股份有限公司 | Shield construction method, and waterproof and monitoring method for shield construction |
| CN112081595B (en) * | 2019-06-14 | 2022-09-23 | 宏润建设集团股份有限公司 | Shield construction method, and waterproof and monitoring method for shield construction |
| CN111561324A (en) * | 2020-04-29 | 2020-08-21 | 中铁十二局集团有限公司 | Construction method for shield tunneling machine to penetrate through underground diaphragm wall |
| CN113468630A (en) * | 2021-05-13 | 2021-10-01 | 海南大学 | Shield tunnel starting end reinforcement scheme optimization method |
| WO2022236955A1 (en) * | 2021-05-13 | 2022-11-17 | 海南大学 | Optimization method for starting end reinforcement scheme of shield tunnel |
| CN113468630B (en) * | 2021-05-13 | 2023-08-25 | 海南大学 | Optimization method for shield tunnel originating end reinforcing scheme |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20200319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |