CN110145344A - A kind of New pipe curtain and its installation method - Google Patents
A kind of New pipe curtain and its installation method Download PDFInfo
- Publication number
- CN110145344A CN110145344A CN201910475674.XA CN201910475674A CN110145344A CN 110145344 A CN110145344 A CN 110145344A CN 201910475674 A CN201910475674 A CN 201910475674A CN 110145344 A CN110145344 A CN 110145344A
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- China
- Prior art keywords
- slurry
- benefit
- hole
- firm banking
- positioning
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to tunnel excavation support equipment technical field, especially a kind of New pipe curtain and its installation method, including mend slurry support tube (1), positioning benefit slurry device (2), attachment device (3)；The attachment device (3) if on be arranged dry hole (31), placement benefit slurry support tube (1) in the drilling (31), the benefit starch activity in support tube (1) and positioning benefit slurry device (2) are arranged.The invention has the benefit that it is not necessary that benefit slurry pipe is separately provided；Only there is the position in cavity just to have slurries and fill into, no waste；Benefit slurry can be positioned, benefit slurry position is easy to understand and mends slurry amount.
Description
Technical field
The present invention relates to tunnel excavation support equipment technical field, especially a kind of New pipe curtain and its installation method.
Background technique
In order to make full use of the underground space below the existing communal facility in inner city, effectively controls earth's surface and deform and can subtract
Influence of the small construction to it, is generally constructed using trenchless technologies such as shield, push pipe, pipe curtains.But shield, push pipe by
It is limited in by equipment, structure cross-section dimensions and cost, is not able to satisfy the requirement of big cross section space excavation, large space is opened
Digging is often constructed using pipe-roof method.
However conventional tube curtain construction method is more demanding to construction environment, ensures that waterproof is one between pipe curtain in the construction process
A technological difficulties.It is common water-stopping method by conventional levels grouting and reinforcing.But outer separately to pass through horizontal drilling method going along with sb. to guard him
Grouting Pipe is added, working procedure and cost are increased；Slip casting region is around entire pipe curtain is gone along with sb. to guard him, for needing emphasis stabilization zone
, often there is the undesirable result of water-stagnating effect in domain-pipe curtain connecting portion, specific aim shortcoming.
Based on this, a kind of New pipe curtain and its installation method are needed to solve problems of the prior art.
Summary of the invention
The present invention provides a kind of New pipe curtain and its installation methods, are able to solve problems of the prior art.
Specific technical solution is as follows:
The invention discloses a kind of New pipe curtains, including mend slurry support tube, positioning benefit slurry device, attachment device；The connection
If dry hole is arranged on device, the benefit slurry support tube is placed in the drilling, activity setting institute in the benefit slurry support tube
It states positioning and mends slurry device；
The benefit slurry support tube includes tube body, backstop；The tube body is hollow pipe closed at one end open at one end, institute
It states and is provided with benefit slurry hole on tube wall；The backstop setting guarantees that fluid can only be by the pipe at benefit slurry hole
The outside one-way flow in internal portion；
The positioning mends slurry device and includes closure part, mends slurry portion；The benefit slurry portion is connected with the closure part up and down；It is described
Closure part is hollow clamping sleeve structure, including inner tube, housing, formed between the housing and said inner tube can deformation space, it is described
It puts on outside and is provided with blow vent；The slurry portion of mending is the communicating pipe that side wall is provided with hole.
Preferably, the attachment device is arc-shaped, and radian is 160 °.
Further, the backstop includes cap stopper, tension device, firm banking；The tension device first end with
The cap stopper is connected, and the tension device second end is connected with the firm banking；Logical slurry hole is provided on the firm banking；
The firm banking is fixedly connected on the tubular body, and the tension device passes through the benefit and starches hole, and the cap stopper setting exists
Outside the tube body；After the backstop installation, the cap stopper blocks benefit slurry hole under a stretching force.
Further, the tension device uses tension spring.
Further, the firm banking outer diameter matches with benefit slurry hole internal diameter.
Further, the firm banking is provided with external screw thread, and benefit slurry hole is provided with internal screw thread, the firm banking
It is connected with benefit slurry hole using screw thread.
Further, benefit slurry hole includes the first hole, the second hole from inside to outside；First hole internal diameter is less than described the
Two hole internal diameters；The firm banking is arranged in first hole, is matched in second hole with the cap stopper outer diameter.
Further, the firm banking is elastic piece, and the firm banking outer diameter is greater than the injected hole internal diameter；It is described
Fixed device can generate deformation when receiving the pulling force of the tension device, and have screen resilience.
Further, the tension device adopts rigid posts or flexible chain.
Further, the cap stopper uses expanded PTFE (ePTFE) material.It is breathable using the material but not
The property of transflective liquid can make to pour the gas in stake by mending slurry support tube reflux discharge.
Further, the housing is made of flexible material.
Further, the housing is provided with closure plug, and the closure plug is movably arranged at blow vent.
Further, the benefit slurry portion includes more than one communicating pipe.
Further, it includes more than one closure part that sizing device is mended in the positioning, between multiple adjacent closure parts
The blow vent is connected by pipeline.
Further, it further includes range unit that sizing device is mended in the positioning, and the range unit uses graduated scale.
The invention also discloses a kind of New pipe curtain installation methods, include the following steps:
1) constructing tunnel position is being needed to set pilot hole；
2) support tube is starched using installing the benefit in pilot hole described in squeezed trombone slide normal direction, and multiple benefit are starched and are supported
Pipe is connected with each other using the attachment device；
3) slurry device is mended in the positioning to be inserted into the benefit slurry support tube, the closure part can closely paste under pressure
It gets lodged on the benefit slurry support inside pipe wall, crams extra benefit slurry hole, slurries flow into gap by mending slurry in benefit slurry portion；Pass through institute
State the inside grouting under pressure of body open ends, around pipe curtain at cavity position the cap stopper can pressure difference effect under with the tube body
Separation, slurries are spouting by the cap stopper surrounding, and after filling cavity, the cap stopper can reset under a stretching force, prevent slurry
Liquid reflux；
4) slurry device is mended in the mobile positioning, repeats step 3), is completed until mending slurry.
The invention has the benefit that
1, slurry pipe is mended without being separately provided；
2, only the position in cavity just has slurries and fill into, no waste；
3, benefit slurry can be positioned, benefit slurry position is easy to understand and mends slurry amount.
Detailed description of the invention
Fig. 1 is that the structural formula of the pipe curtain is intended to；
Fig. 2 is the tube body the schematic diagram of the section structure；
Fig. 3 is that the benefit starches locator the schematic diagram of the section structure；
Fig. 4 is that the benefit starches pore structure schematic diagram；
Fig. 5 is the backstop device structure schematic diagram；
Fig. 6 is the backstop another kind structural schematic diagram.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Embodiment 1
As shown in Figs. 1-5, the invention discloses a kind of New pipe curtains, including mend slurry support tube 1, positioning benefit slurry device 2, connection
Device 3；If dry hole 31 is arranged in the attachment device 3, the benefit slurry support tube 1, the benefit are placed in the drilling 31
It starches activity in support tube 1 and the positioning benefit slurry device 2 is set；
The benefit slurry support tube 1 includes tube body 11, backstop 12；The tube body 11 is sky closed at one end open at one end
Heart pipe is provided with benefit slurry hole 111 on 11 side wall of tube body；The setting of backstop 12 guarantees at benefit slurry hole 111
Fluid can only be by the 11 outside one-way flow in inside of tube body；
The positioning mends slurry device 2 and includes closure part 21, mends slurry portion 22；About the 22 benefit slurry portion with the closure part 21
It is connected；The closure part 21 is hollow clamping sleeve structure, including inner tube 211, housing 212, the housing 212 and said inner tube 211
Between formed can deformation space, be provided with blow vent 2121 on the housing 212；The benefit slurry portion 22 is that side wall is provided with hole
Communicating pipe.
Described in the present embodiment, the attachment device 3 is arc-shaped, and radian is 160 °.
Described in the present embodiment, the backstop 12 includes cap stopper 121, tension device 122, firm banking 123；It is described
122 first end of tension device is connected with the cap stopper 121,122 second end of tension device and 123 phase of firm banking
Even；Logical slurry hole 1231 is provided on the firm banking 123；The firm banking 123 is fixedly connected on inside the tube body 11,
The tension device 122 passes through the benefit and starches hole 111, and the cap stopper 121 is arranged outside the tube body 11；The backstop
After 12 installations, the cap stopper 121 blocks benefit slurry hole 111 under a stretching force.
Described in the present embodiment, the tension device 122 uses tension spring.
Described in the present embodiment, 123 outer diameter of firm banking matches with benefit slurry 111 internal diameter of hole.
Described in the present embodiment, the firm banking 123 is provided with external screw thread, and benefit slurry hole 111 is provided with internal screw thread,
The firm banking 123 is connected with benefit slurry hole 111 using screw thread.
Described in the present embodiment, benefit slurry hole 111 includes the first hole 1111, the second hole 1112 from inside to outside；Described
One hole, 1111 internal diameter is less than 1112 internal diameter of the second hole；The firm banking 123 is arranged in first hole 1111, described
Matched in second hole 1112 with 121 outer diameter of cap stopper.
Described in the present embodiment, the cap stopper 121 uses expanded PTFE (ePTFE) material.Utilize the material energy
Enough ventilative but impenetrable liquid property can make to pour the gas in part by mending the slurry reflux discharge of support tube 1.
Described in the present embodiment, the housing 212 is made of flexible material.
Described in the present embodiment, the housing 212 further includes blocking plug 213, and the closure plug 213 is movably arranged on ventilation
At mouth 2121.
Described in the present embodiment, the benefit slurry portion 22 includes more than one communicating pipe.
Described in the present embodiment, it includes more than one closure part 21 that sizing device is mended in the positioning, multiple adjacent closure
It is connected in the blow vent 2121 by pipeline 3 between portion 21.
Described in the present embodiment, it further includes range unit that sizing device is mended in the positioning, and the range unit uses graduated scale.
The invention also discloses a kind of New pipe curtain installation methods, include the following steps:
1) constructing tunnel position is being needed to set pilot hole；
2) support tube is starched using installing the benefit in pilot hole described in squeezed trombone slide normal direction, and multiple benefit are starched and are supported
Pipe is connected with each other using the attachment device；
3) slurry device is mended in the positioning to be inserted into the benefit slurry support tube, the closure part can closely paste under pressure
It gets lodged on the benefit slurry support inside pipe wall, crams extra benefit slurry hole, slurries flow into gap by mending slurry in benefit slurry portion；Pass through institute
State the inside grouting under pressure of body open ends, around pipe curtain at cavity position the cap stopper can pressure difference effect under with the tube body
Separation, slurries are spouting by the cap stopper surrounding, and after filling cavity, the cap stopper can reset under a stretching force, prevent slurry
Liquid reflux；
4) slurry device is mended in the mobile positioning, repeats step 3), is completed until mending slurry.
Embodiment 2
As shown in Fig. 1,2,3,4,6, the invention discloses a kind of New pipe curtains, including mend slurry support tube 1, positioning benefit slurry device
2, attachment device 3；If dry hole 31 is arranged in the attachment device 3, the benefit slurry support tube 1 is placed in the drilling 31,
The positioning benefit slurry device 2 is arranged in activity in the benefit slurry support tube 1；
The benefit slurry support tube 1 includes tube body 11, backstop 12；The tube body 11 is sky closed at one end open at one end
Heart pipe is provided with benefit slurry hole 111 on 11 side wall of tube body；The setting of backstop 12 guarantees at benefit slurry hole 111
Fluid can only be by the 11 outside one-way flow in inside of tube body；
The positioning mends slurry device 2 and includes closure part 21, mends slurry portion 22；About the 22 benefit slurry portion with the closure part 21
It is connected；The closure part 21 is hollow clamping sleeve structure, including inner tube 211, housing 212, the housing 212 and said inner tube 211
Between formed can deformation space, be provided with blow vent 2121 on the housing 212；The benefit slurry portion 22 is that side wall is provided with hole
Communicating pipe.
Described in the present embodiment, the attachment device 3 is arc-shaped, and radian is 160 °.
Described in the present embodiment, the backstop 12 includes cap stopper 121, tension device 122, firm banking 123；It is described
122 first end of tension device is connected with the cap stopper 121,122 second end of tension device and 123 phase of firm banking
Even；Logical slurry hole 1231 is provided on the firm banking 123；The firm banking 123 is fixedly connected on inside the tube body 11,
The tension device 122 passes through the benefit and starches hole 111, and the cap stopper 121 is arranged outside the tube body 11；The backstop
After 12 installations, the cap stopper 121 blocks benefit slurry hole 111 under a stretching force.
Described in the present embodiment, benefit slurry hole 111 includes the first hole 1111, the second hole 1112 from inside to outside；Described
One hole, 1111 internal diameter is less than 1112 internal diameter of the second hole；The firm banking 123 is arranged in first hole 1111, described
Matched in second hole 1112 with 121 outer diameter of cap stopper.
Described in the present embodiment, the firm banking 123 is elastic piece, and 123 outer diameter of firm banking is greater than the note
Starch hole internal diameter；The fixed device can generate deformation when receiving the pulling force of the tension device 122, and have screen resilience.
Described in the present embodiment, the tension device 122 adopts rigid posts or flexible chain.
Described in the present embodiment, the cap stopper 121 uses expanded PTFE (ePTFE) material.Utilize the material energy
Enough ventilative but impenetrable liquid property can make to pour the gas in part by mending the slurry reflux discharge of support tube 1.
Described in the present embodiment, the housing 212 is made of flexible material.
Described in the present embodiment, the housing 212 further includes blocking plug 213, and the closure plug 213 is movably arranged on ventilation
At mouth 2121.
Described in the present embodiment, the benefit slurry portion 22 includes more than one communicating pipe.
Described in the present embodiment, it includes more than one closure part 21 that sizing device is mended in the positioning, multiple adjacent closure
It is connected in the blow vent 2121 by pipeline 3 between portion 21.
Described in the present embodiment, it further includes range unit that sizing device is mended in the positioning, and the range unit uses graduated scale.
The invention also discloses a kind of New pipe curtain installation methods, include the following steps:
1) constructing tunnel position is being needed to set pilot hole；
2) support tube is starched using installing the benefit in pilot hole described in squeezed trombone slide normal direction, and multiple benefit are starched and are supported
Pipe is connected with each other using the attachment device；
3) slurry device is mended in the positioning to be inserted into the benefit slurry support tube, the closure part can closely paste under pressure
It gets lodged on the benefit slurry support inside pipe wall, crams extra benefit slurry hole, slurries flow into gap by mending slurry in benefit slurry portion；Pass through institute
State the inside grouting under pressure of body open ends, around pipe curtain at cavity position the cap stopper can pressure difference effect under with the tube body
Separation, slurries are spouting by the cap stopper surrounding, and after filling cavity, the cap stopper can reset under a stretching force, prevent slurry
Liquid reflux；
4) slurry device is mended in the mobile positioning, repeats step 3), is completed until mending slurry.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of New pipe curtain, which is characterized in that including mending slurry support tube (1), positioning benefit slurry device (2), attachment device (3)；Institute
State attachment device (3) if on dry hole (31) are set, benefits is placed in the drilling (31) and starches support tube (1), the benefit
It starches activity in support tube (1) and positioning benefit slurry device (2) is set；
Benefit slurry support tube (1) includes tube body (11), backstop (12)；The tube body (11) is open at one end closed at one end
Hollow pipe, benefit slurry hole (111) is provided on tube body (11) side wall；Backstop (12) setting starches hole in the benefit
(111) at, guarantee that fluid can only be by the internal outside one-way flow of the tube body (11)；
The positioning mends slurry device (2) and includes closure part (21), mends slurry portion (22)；The benefit slurry portion (22) up and down with the closure
Portion (21) is connected；The closure part (21) is hollow clamping sleeve structure, including inner tube (211), housing (212), the housing (212)
Formed between said inner tube (211) can deformation space, be provided with blow vent (2121) on the housing (212)；The benefit slurry
Portion (22) is the communicating pipe that side wall is provided with hole.
2. New pipe curtain according to claim 1, which is characterized in that the attachment device (3) is arc-shaped, and radian is
160°。
3. New pipe curtain according to claim 1, which is characterized in that the backstop (12) includes cap stopper (121), draws
Tight device (122), firm banking (123)；Tension device (122) first end is connected with the cap stopper (121), the tension
Device (122) second end is connected with the firm banking (123)；Logical slurry hole (1231) is provided on the firm banking (123)；
The firm banking (123) is fixedly connected on the tube body (11) inside, and the tension device (122) passes through the benefit and starches hole
(111), cap stopper (121) setting is external in the tube body (11)；After backstop (12) installation, the cap stopper
(121) benefit slurry hole (111) is blocked under a stretching force.
4. New pipe curtain according to claim 2, which is characterized in that the firm banking (123) is provided with external screw thread, institute
It states benefit slurry hole (111) and is provided with internal screw thread, the firm banking (123) is connected with benefit slurry hole (111) using screw thread.
5. New pipe curtain according to claim 2, which is characterized in that benefit slurry hole (111) includes first from inside to outside
Hole (1111), the second hole (1112)；First hole (1111) internal diameter is less than the second hole (1112) internal diameter；The fixed bottom
Seat (123) setting is in first hole (1111), warp and the cap stopper (121) outer diameter phase in second hole (1112)
Match.
6. New pipe curtain according to claim 2, which is characterized in that the firm banking (123) is elastic piece, described solid
Pedestal (123) outer diameter is determined greater than the injected hole internal diameter；The fixed device is when receiving the pulling force of the tension device (122)
Deformation can be generated, and there is screen resilience.
7. novel pipe shed according to claim 1, which is characterized in that the closure part (21) is made of flexible material.
8. novel pipe shed according to claim 1, which is characterized in that be provided with closure plug on the housing (212)
(213), the closure plug (213) is movably arranged at blow vent (2121).
9. novel pipe shed according to claim 1, which is characterized in that it further includes range unit that slurry device (2) is mended in the positioning,
The range unit uses graduated scale.
10. a kind of installation method of New pipe curtain, which is characterized in that use the New pipe as described in claim 1-8 any one
Curtain, includes the following steps:
1) constructing tunnel position is being needed to set pilot hole；
2) starch support tube using installing the benefit in pilot hole described in squeezed trombone slide normal direction, and will multiple benefit to starch support tubes sharp
It is connected with each other with the attachment device；
3) slurry device is mended in the positioning to be inserted into the benefit slurry support tube, the closure part can closely block under pressure
On the benefit slurry support inside pipe wall, extra benefit slurry hole is crammed, slurries flow into gap by mending slurry in benefit slurry portion；Pass through the pipe
The inside grouting under pressure in body open end, around pipe curtain at cavity position the cap stopper can under pressure difference effect with the tube body point
From slurries are spouting by the cap stopper surrounding, and after filling cavity, the cap stopper can reset under a stretching force, prevent slurries
Reflux；
4) slurry device is mended in the mobile positioning, repeats step 3), is completed until mending slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475674.XA CN110145344A (en) | 2019-06-03 | 2019-06-03 | A kind of New pipe curtain and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475674.XA CN110145344A (en) | 2019-06-03 | 2019-06-03 | A kind of New pipe curtain and its installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110145344A true CN110145344A (en) | 2019-08-20 |
Family
ID=67590079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910475674.XA Pending CN110145344A (en) | 2019-06-03 | 2019-06-03 | A kind of New pipe curtain and its installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898378A (en) * | 2021-09-21 | 2022-01-07 | 苏州大学 | Method for grouting in long-distance large-diameter top pipe in pipe curtain structure supporting construction |
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| CN108625819A (en) * | 2018-05-22 | 2018-10-09 | 河南理工大学 | A kind of fixed sealing of hole of gas pumping and leak stopping integrated apparatus |
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| CN201865113U (en) * | 2010-11-26 | 2011-06-15 | 湖北地矿建设工程承包集团有限公司 | Automatic check valve type pressure grouting device |
| CN202645591U (en) * | 2012-05-23 | 2013-01-02 | 浙江省第一水电建设集团股份有限公司 | Pipe shed |
| CN204851079U (en) * | 2015-02-09 | 2015-12-09 | 新奥气化采煤有限公司 | Prop up pillar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898378A (en) * | 2021-09-21 | 2022-01-07 | 苏州大学 | Method for grouting in long-distance large-diameter top pipe in pipe curtain structure supporting construction |
| CN113898378B (en) * | 2021-09-21 | 2023-06-06 | 苏州大学 | Method for grouting in long-distance large-diameter jacking pipe in pipe curtain structure supporting construction |
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Application publication date: 20190820 |