CN208870603U - Be open more pipe joint type large cross-section tunnels and tube coupling connection structure more - Google Patents
Be open more pipe joint type large cross-section tunnels and tube coupling connection structure more Download PDFInfo
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- CN208870603U CN208870603U CN201821701285.1U CN201821701285U CN208870603U CN 208870603 U CN208870603 U CN 208870603U CN 201821701285 U CN201821701285 U CN 201821701285U CN 208870603 U CN208870603 U CN 208870603U
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- tube coupling
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- tensioning
- large cross
- tunnel
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- 230000008878 coupling Effects 0.000 title claims abstract description 105
- 238000010168 coupling process Methods 0.000 title claims abstract description 105
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 105
- 238000010276 construction Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010008 shearing Methods 0.000 abstract description 6
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000011799 hole material Substances 0.000 description 39
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000009955 starching Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000013095 identification testing Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a kind of tube coupling connection structures of large cross-section tunnel for jacking, tube coupling, union piece including two longitudinally adjacent settings；It is respectively equipped with the tensioning portion with tensioning hole on the top of tube coupling inner wall two sides, the elastic waterstop circle for making two tensioning hole sealing connections is equipped between two tube couplings；Union piece includes rigid barred body, two cushion blocks, and cushion block is equipped with grouting hole；2-section pipe section is fixed together by the union piece through tensioning hole, casting seal is equipped in tensioning hole, elastic waterstop circle.It is easily installed, and is not easy to corrode, and shearing resistance effect is good.The utility model includes the more pipe joint type large cross-section tunnels of construction using jacking；It is equipped with side outlet in the side of large cross-section tunnel, the tensioning portion of corresponding tube coupling connects integral by the tube coupling connection structure of large cross-section tunnel above-mentioned.Its efficiency of construction is high, at low cost, and sedimentation is balanced, and maintenance cost is low.
Description
Technical field
The utility model relates to a kind of tunnels, and in particular to a kind of more more pipe joint type large cross-section tunnels of opening.
The utility model relates to a kind of tunnel tube coupling connection structures, and in particular to a kind of big cross section for jacking
The tube coupling connection structure in tunnel.
Background technique
With the high speed development of social economy, urban ground space growing tension, the development of the underground space and with more
Favored.Generally there are two openings for tunnel, tunnel or the culvert built under normal circumstances, but in certain particular surroundings, need
Multiple openings are set in tunnel, tunnel or culvert.For example, generally there are 3~5 outlets in subway outlet；Underground pedestrian passageway
Also 2~4 outlets are typically provided with；Setting side line tunnel is also required at the siding of subway tunnel.
With the rapid development of construction of underground tunnel technology, big cross section rectangular top pipe tunnel is as a kind of novel underground tunnel
Road form of construction work is more widely applied and underground vcehicular tunnel, underground pedestrian passageway construction field.This trenchless engineering
Technology (also referred to as jacking) thoroughly solves underground piping, the destruction in the burial and construction of channel to City Building and road
The problems such as the blocking of traffic, highlight its advantage in terms of steady soil and environmental protection, and it is also a kind of low cost, fast
The method that tunnel is made in run-up.This is to heavy traffic, the city right and wrong that densely populated, above ground structure is numerous, underground utilities are complicated
It is often important.It will create a cleaning, comfortable and fine environment for city.But as the length in tunnel is increasingly longer,
Tube coupling cross dimensions is increasing, in addition underground space construction environment increasingly complicated (peripheral path, underground utilities, structures shadow
Ring) jacking pipe construction process is required also be continuously improved, and also using in the tunnel of jacking construction, the section of tube coupling is needed
Stress equalization is wanted, thus the tunnel of jacking production is only capable of being formed at both ends and be open.
Utility model content
Inventor consider the tunnel that jacking makes a certain section of unilateral wall opening to form multiple outlets,
It just needs to consider after a certain section of tunnel side of unilateral wall opening to the entire effect in tunnel at this time.Such as: in tube coupling
Side opening after, tube coupling formed " Contraband " shape structure, since there are still earthing for tunnel upper, in this way be located at opening tube coupling just
Mainly by unilateral side wall with by pressure, shearing, moreover, when make large cross-section tunnel, shearing and big width collective effect meeting
Form very big shearing torque；Since jacking is more piece tube coupling being axially formed along tube coupling, some also will form
Or the sedimentation of certain tube couplings, it is especially unilateral side wall load-bearing in the tube coupling of the side opening of tube coupling, in this way, will shape
At the sedimentation and other parts of tube coupling there are significant difference, these tube couplings are also possible to will form load-bearing side sinking amplitude greater than opening
The situation of side.
Consider above-mentioned technological difficulties, inventor considers for these tube couplings to be linked to be an entirety first.Currently, existing tube coupling
Connection type has: 1. pre-embedded steel slab built in the joint of tube coupling, welds together steel plate after the completion of tube coupling assembly, makes adjacent
Tube coupling link together.2. the joint embedded nut of tube coupling is linked together the nut of corresponding position by bolt,
Adjacent tube coupling is set to link together, this is also a kind of connection type that conventional shield tunnel generallys use.3. tube coupling it is upper,
In, lower part reserving hole, after the completion of tube coupling is assembled, anchor cable is worn in hole, applies prestressing force, keeps tube coupling connection integral.④
By tube coupling head and the tail junction reserve buckle of pulling pin, after tube coupling push-tight, previous endless tube section tail portion pull pin buckle and
Latter ring leading portion fastener is locked, to realize that two rings can not separate the purpose of retrogressing.
But when carrying out underground technical identification test, 1. employing mode is welded to connect the mode connecting tube of steel plate
When section, there is the case where concrete is burst at the pre-embedded steel slab of tube coupling in inventor's discovery, after carefully studying related data,
Inventor think be when welding pre-embedded steel slab welding when high temperature cause this phenomenon.To avoid this phenomenon, need to control
Single weld interval processed prevents heat from largely assembling, and delays construction speed using multiple welding；Welding can only be at top simultaneously
And side wall, opening wall do not have welding condition, cannot thus form symmetrical rock-steady structure, result in tube coupling in this way and apply
The advantages of work circulation time is longer, is unable to give full play jacking.It is excellent when employing mode is bolted embedded nut 2.
Point is to connect quickly, has certain rigidity, the disadvantage is that tube coupling section is big, with increasing for tube coupling number, bolt hole is away from an error
It can be accumulated section by section, error effects causes part hole location that can not penetrate bolt, needs to readjust the posture of tube coupling, so not
It can be played and connect quick advantage.Employing mode can be limited when 3. prestress anchorage cable connects by length of prestress anchor cable,
And since anchor cable is to be flexible coupling, the shearing resistance effect between tube coupling is poor, can not reduce the subsiding extent of tube coupling；And prestressed anchor
Rope wants quadrangle to be arranged symmetrically just effectively in Rectangular Tunnel, and it is limited that opening wall abolishes arrangement condition.4. employing mode is pulled pin
Connection equally will appear situation when employing mode is bolted embedded nut 2., and there is also one in tube coupling installation process
The drawbacks of can not carrying out tube coupling fine position after any one point is locked between denier tube coupling.
The tube coupling that one of goal of the invention of the utility model is to provide a kind of large cross-section tunnel for jacking connects
Binding structure, to solve using jacking construction large cross-section tunnel and after the opening of large cross-section tunnel side, in the side in tunnel
There is the uneven drop of tube coupling sedimentation in the tube coupling of face open area, and the side wall of these tube couplings to be formed because the bottom surface that collection reppears existing tube coupling tilts
Inclined-plane will cause the technical issues of tube coupling damages when serious.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of tube coupling connection structure of large cross-section tunnel for jacking is designed, including longitudinal adjacent along tunnel direction
Connect at least 2-section pipe section and union piece of setting；It is respectively equipped with tensioning portion on the top of tube coupling inner wall two sides, is being opened
It is equipped with tensioning hole in drawing portion, the elastic waterstop for making corresponding tensioning hole sealing connection is equipped between adjacent 2-section pipe section
Circle；The union piece is used at least 2-section pipe section being fixed together, including rigid barred body and cushion block, rigid barred body pass through
The tensioning hole setting in corresponding tensioning portion is worn, cushion block has at least two, is set in the both ends of rigid barred body and patch
It is arranged together in the corresponding tensioning portion, is equipped on cushion block and the grouting hole of the corresponding tensioning hole connection；Described
Casting seal is equipped in pulling eye and elastic waterstop circle.
Preferably, the tensioning hole is formed by pvc pipe is embedded.
Preferably, the elastic waterstop circle is rubber water-proof circle.
Preferably, the union piece further includes at least two nuts, and the rigidity barred body is stud, the connection
Part is made using high-strength alloy material.
Compared with prior art, the utility model has the beneficial effects that tensioning hole internal diameter is big, allowable error is big, in tensioning
Also rigid barred body can be passed through in the biggish situation of axially bored line deviation, joint efficiency is high；It is injected in grouting with plunger into tensioning hole
Material can fill the gap between tensioning hole and union piece again, elastic waterstop circle avoids starching as a part of grouting pipe
Liquid is excessive, is capable of the corrosion for the union piece of low cost prevented in this way, and makes the connection of tube coupling by rigid barred body, injecting cement paste
Locate shearing resistance effect with higher.
The two of the goal of the invention of the utility model are to provide one kind and are open more pipe joint type large cross-section tunnels more, to solve to use
Jacking method of construction, which can not be built, has the technical issues of more openings, more pipe joint type large cross-section tunnels.
Design
A kind of more more pipe joint type large cross-section tunnels of opening, including the more pipe joint type big cross section tunnels built using jacking
Road；The side of the large cross-section tunnel be equipped with side outlet, correspond to the side opening at tube coupling and with the side opening
The tensioning portion of the two sides of adjacent tube coupling is connected integral by the tube coupling connection structure of large cross-section tunnel above-mentioned.
Compared with prior art, the utility model has the beneficial effects that taking into account more pipe joint type large cross-section tunnels that more are open
Construction speed and construction cost, efficiency of construction is high, at low cost on the whole, and equilibrium is settled at side opening, and maintenance cost is low.
Detailed description of the invention
Fig. 1 is the side view of the tube coupling connection structure of the utility model large cross-section tunnel.
Fig. 2 is the cross-sectional view of the A-A hatching along Fig. 1.
Fig. 3 is the cross-sectional view of the B-B hatching along Fig. 2.
In figure, 11- tube coupling, 111- tensioning portion, 1111- tensioning hole, 12- tube coupling, 121- tensioning portion, 1211- tensioning hole, 2-
Cushion block, 21- grouting hole, 3- cushion block, 41- studs, 42- nut, 43- nut, 5- elastic waterstop circle, 6- casting sealing
Body.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but following embodiment only uses
It is described in detail the utility model, does not limit the scope of the utility model in any way.
Following tube coupling specifications used in the examples are as follows: the outer ring in tube coupling section is having a size of 7.6 × 5.625m, tube coupling monocycle
Length 1.5m, pipe thickness 500mm, tube coupling are formed using intensity C50 armored concrete is prefabricated.Material and equipment used has:
Cement grout test toolss, 1 set；Torque wrench, 2 sets；Spiral slip casting machine and pipeline, 1 set；Emcekrete HP cement
(25KG/ packet), it is several；120 additive of Muraplast, it is several；High speed agitator and stirring container, 1 set, blender revolving speed
1000-1500rpm.There are three the side openings of the more pipe joint type large cross-section tunnels of more openings of required production, needs the pipe of tensioning
Saving length is respectively 19.5m, 13.5m, 15m.
Embodiment 1: a kind of tube coupling connection structure of the large cross-section tunnel for jacking, referring to Fig. 1-3, including edge
At least 2-section pipe section tube coupling, union piece, cushion block 2, cushion block 3 and the elastic waterstop circle 5 of the longitudinally adjacent setting in tunnel direction.
Tensioning portion is respectively equipped on the top (side wall upper part on wall top and inner wall including inner wall) of tube coupling inner wall two sides, two
A tensioning portion is preferably symmetrical arranged by the plane of symmetry of the stress of complete tube coupling face placed in the middle, and tensioning hole is equipped in tensioning portion,
Pulling eye is preferably also to be symmetrical arranged by the plane of symmetry of the stress of complete tube coupling face placed in the middle.In this way, can be below tensioning corner
Tube coupling side wall single-open, it will be able to after solving tunnel single-open, connection type can not Bilateral Symmetry arrangement difficult point.Tube coupling
Along tunnel direction longitudinal arrangement, to form large cross-section tunnel, in the large cross-section tunnel, at the end for these tube couplings for needing to connect
Head at tube coupling correspond respectively to tube coupling 11, tube coupling 12, that is to say, that can also have among tube coupling 11 and tube coupling 12 1 section tube coupling,
2 section tube couplings or more piece tube coupling.In fig. 1-3, tensioning portion 111, the plane of symmetry are symmetrically arranged at angle on the two sides of 11 inner wall of tube coupling
It is the stress face placed in the middle of complete tube coupling, tensioning hole 1111 is equipped in tensioning portion 111.On the two sides of 12 inner wall of tube coupling at angle
It is symmetrically arranged with tensioning portion 121, tensioning hole 1211 is equipped in tensioning portion 121.Correspond specifically to the tube coupling used in the present embodiment
Specification, the specification in tensioning portion 111 and tensioning portion 121 is the segment of the pi/2 radian of 500 × 500mm, moreover, tensioning portion
111 are arranged on the two sides of 11 inner wall of tube coupling at angle, and tensioning portion 121 is arranged on the two sides of 12 inner wall of tube coupling at angle, in this way, pipe
The stress dispersion effect for saving corner portion is more preferable, increases the intensity of tube coupling.Tensioning hole 1111 and tensioning hole 1211 are both preferably tube coupling
The pvc pipe of pre-buried diameter 100mm is formed when production, corresponds to Fig. 1, the axis in tensioning hole 1111 is away from the two of tensioning portion 111
The distance of right-angle side is 170mm, and the axis in tensioning hole 1211 is 170mm away from the distance of the two of tensioning portion 121 right-angle sides.
At least 2-section pipe section that union piece is used to for these needs being fixed together is fixed together, including
Rigid barred body 41 and cushion block.In the present embodiment, union piece selects the stud connector in bolt connection piece, that is, connects zero
Part further includes two nuts, and rigid barred body corresponds to studs 41.Studs 41 can be the production of high-strength alloy material,
It is also possible to Steel material production, to form rigid barred body.Existing high-strength alloy material has Macalloy S1030, this reality
It applies in example, the diameter of studs 41 is 40mm.
Utility model people is shown in Table 1 in the determination process of selection union piece type.
The superiority and inferiority of the different types of union piece of table 1 compares
。
The elastic waterstop circle 5 for making corresponding tensioning hole sealing connection is equipped between adjacent 2-section pipe section.Elasticity
5 preferred rubber sealing collar of sealing collar.In the present embodiment, rubber water-proof circle specification is internal diameter 120mm, outer diameter 140mm, thickness
25mm, rubber water-proof circle and tube coupling concrete surface are pasted by waterproof glue, and tube coupling tension can make in stretching process
Sealing collar is more closely bonded with two sides concrete surface reaches good waterproof leak preventing effect.
Tensioning hole setting of the rigidity barred body in corresponding tensioning portion, studs 41 is through these needs
The elastic waterstop circle 5 between tensioning hole and two neighboring tensioning hole on the tube coupling being fixed together, 41 liang of studs
The end at end stretches out in tensioning hole 1111, tensioning hole 1211 respectively.Cushion block has at least two, corresponding cushion block in this present embodiment
2 and cushion block 3, cushion block 2 is sleeved on rigid barred body one end and fits in the side setting in tensioning portion 111, and cushion block 3 is sleeved on rigid rod
The body other end and the side setting for fitting in tensioning portion 121, nut 42, nut 43 distinguish spinning at the both ends of studs 41,
And these tube coupling tensioning are fixed together on studs 41 by torque wrench spinning.
It is equipped with the grouting hole 21 being connected to corresponding tensioning hole on cushion block 2, is equipped with and corresponding tensioning on cushion block 3
The grouting hole of hole connection, the effect in grouting hole here correspond respectively to grouting port, exhaust outlet；Tensioning hole and elastic waterstop
Casting seal is equipped in circle, specifically, injecting paste material is injected into tensioning hole by grouting hole 21 using grouting equipment,
Corresponding grouting hole 31 or 21 side of grouting hole occur overflowing when starching, and slip casting is completed, and is just formed slip casting after injecting paste material solidification and is sealed
Body 6.
Note: big building to give full play to effect of the tube coupling connection structure of large cross-section tunnel in large cross-section tunnel
When bore tunnel, preferably the tensioning portion of tube coupling inner wall two sides is connected to by the tube coupling connection structure of above-mentioned large cross-section tunnel
Together.
Embodiment 2: a kind of more more pipe joint type large cross-section tunnels of opening, the multitube section including the construction using jacking
Formula large cross-section tunnel；The side of the large cross-section tunnel be equipped with side outlet, correspond to the side opening at tube coupling and with
The tensioning portion of the two sides of the adjacent tube coupling of the side opening passes through the large cross-section tunnel for jacking in embodiment 1
The connection of tube coupling connection structure is integral.
Compared with prior art, the beneficial effect of embodiment 2 is: taking into account the construction for more pipe joint type large cross-section tunnels that more are open
Speed and construction cost, efficiency of construction is high, at low cost on the whole, and equilibrium is settled at side opening, and maintenance cost is low.
The utility model is described in detail above in conjunction with drawings and examples, still, the skill of technical field
Art personnel, can also be to each specific in above-described embodiment it is understood that without departing from the purpose of the present invention
Parameter changes, and forms multiple specific embodiments, is the common variation range of the utility model, no longer detailed one by one herein
It states.
Claims (4)
1. a kind of tube coupling connection structure of the large cross-section tunnel for jacking, including along the longitudinally adjacent setting in tunnel direction
At least 2-section pipe section and union piece；It is characterized in that, being respectively equipped with tensioning on the top of tube coupling inner wall two sides
Portion is equipped with tensioning hole in tensioning portion, is equipped between adjacent 2-section pipe section for making corresponding tensioning hole sealing connection
Elastic waterstop circle；The union piece is used at least 2-section pipe section being fixed together, including rigid barred body and cushion block, just
Property tensioning hole setting of the barred body in the corresponding tensioning portion, cushion block has at least two, is set in rigid barred body
Both ends simultaneously fit in the corresponding tensioning portion setting, are equipped on cushion block and the grouting of the corresponding tensioning hole connection
Hole；Casting seal is equipped in the tensioning hole and elastic waterstop circle.
2. the tube coupling connection structure for the large cross-section tunnel of jacking as described in claim 1, which is characterized in that institute
Tensioning hole is stated to be formed by pvc pipe is embedded.
3. the tube coupling connection structure for the large cross-section tunnel of jacking as described in claim 1, which is characterized in that institute
Stating union piece further includes at least two nuts, and the rigidity barred body is stud, and the union piece uses high-strength alloy
Material is made.
4. a kind of more more pipe joint type large cross-section tunnels of opening, which is characterized in that including the multitube section built using jacking
Formula large cross-section tunnel；The side of the large cross-section tunnel be equipped with side outlet, correspond to the side outlet at tube coupling and with
The tensioning portion of the two sides of the adjacent tube coupling of the side outlet is used for jacking construction by as claimed in any one of claims 1-3
The tube coupling connection structure connection of the large cross-section tunnel of method is integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701285.1U CN208870603U (en) | 2018-10-19 | 2018-10-19 | Be open more pipe joint type large cross-section tunnels and tube coupling connection structure more |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821701285.1U CN208870603U (en) | 2018-10-19 | 2018-10-19 | Be open more pipe joint type large cross-section tunnels and tube coupling connection structure more |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208870603U true CN208870603U (en) | 2019-05-17 |
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ID=66470542
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821701285.1U Expired - Fee Related CN208870603U (en) | 2018-10-19 | 2018-10-19 | Be open more pipe joint type large cross-section tunnels and tube coupling connection structure more |
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| Country | Link |
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| CN (1) | CN208870603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162729A (en) * | 2018-10-19 | 2019-01-08 | 中铁隧道局集团有限公司 | Be open more pipe joint type large cross-section tunnels and method of construction, tube coupling connection structure and connection method more |
-
2018
- 2018-10-19 CN CN201821701285.1U patent/CN208870603U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162729A (en) * | 2018-10-19 | 2019-01-08 | 中铁隧道局集团有限公司 | Be open more pipe joint type large cross-section tunnels and method of construction, tube coupling connection structure and connection method more |
| CN109162729B (en) * | 2018-10-19 | 2023-12-12 | 中铁隧道局集团有限公司 | Multi-opening multi-pipe-section type large-section tunnel, construction method, pipe section connecting structure and connecting method |
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| CF01 | Termination of patent right due to non-payment of annual fee |