CN106321999A - Steel cylinder concrete top pipe and connecting method thereof - Google Patents
Steel cylinder concrete top pipe and connecting method thereof Download PDFInfo
- Publication number
- CN106321999A CN106321999A CN201610891846.8A CN201610891846A CN106321999A CN 106321999 A CN106321999 A CN 106321999A CN 201610891846 A CN201610891846 A CN 201610891846A CN 106321999 A CN106321999 A CN 106321999A
- Authority
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- China
- Prior art keywords
- steel cylinder
- cylinder concrete
- push pipe
- steel
- concrete push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 177
- 239000010959 steel Substances 0.000 title claims abstract description 177
- 239000004567 concrete Substances 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000002787 reinforcement Effects 0.000 claims description 38
- 238000012360 testing method Methods 0.000 claims description 30
- 229910000906 Bronze Inorganic materials 0.000 claims description 17
- 239000010974 bronze Substances 0.000 claims description 17
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 10
- 230000002035 prolonged effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 239000011083 cement mortar Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000007569 slipcasting Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/153—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and concrete with or without reinforcement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/10—Sleeveless joints between two pipes, one being introduced into the other
Abstract
The invention discloses a steel cylinder concrete top pipe and a connecting method thereof. The steel cylinder concrete top pipe comprises an inner-layer reinforcing mesh, a steel cylinder, pipe core concrete, an outer-layer reinforcing mesh, a socket, a jack, an outer steel jacket, an anchor bar, a groove, an O-shaped sealing ring, a steel ring and a wedge-shaped sealing ring. The connecting method comprises the following steps of: adopting two steel cylinder concrete top pipes, mounting a wooden gasket on the end part of the socket of the first steel cylinder concrete top pipe, and adopting a pushing method to push the jack of the second steel cylinder concrete top pipe into the socket of the first steel pipe concrete top pipe; and enabling the second steel cylinder concrete top pipe to connect to the first steel cylinder concrete top pipe in a sealing mode through the O-shaped sealing ring and the wedge-shaped sealing ring. The steel cylinder concrete top pipe is relatively good in sealing performance, is uniform in grouting, is suitable for long-distance pushing and is small in influence on environment.
Description
Technical field
The present invention relates to steel production route technical field, particularly to a kind of steel cylinder concrete push pipe and connection side thereof
Method.
Background technology
At present, the push pipe tubing that domestic and international plumbing field is conventional has steel pipe, F type interface reinforced concrete pipe, steel cylinder mixed
Solidifying soil pipe, Prestressed concrete cylinder pipe.Wherein cylinder concrete pipe, owing to interface joint open is relatively big, outside silt particle easily enters
Incoming interface causes to rectify a deviation and affecting sealing joint performance, is not suitable for distance jacking between tube and tube simultaneously.It addition, it is existing
It is uneven that the cylinder concrete pipe having technology there is also slip casting, its in pipe week band soil bigger on surrounding enviroment impact.
Summary of the invention
The technical problem to be solved is, overcomes above deficiency, it is provided that a kind of sealing property is preferable and uniform
Slip casting, is suitable for distance jacking, the steel cylinder concrete push pipe having fewer environmental impacts.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of steel cylinder concrete push pipe, depend on from inside to outside
Secondary including internal layer bar-mat reinforcement, steel cylinder, tube core concrete, outer reinforcement net, the two ends of described steel cylinder have been respectively fixedly connected with bellmouth
And socket, also including the outer steel sleeve being fixedly installed on described outer reinforcement net, described outer steel sleeve is positioned at the end of described bellmouth
Lateral surface, described outer steel sleeve is solidly connected with described tube core concrete anchor through described outer reinforcement net by dowel, described socket
Being separated by and be provided with two groups of grooves, described groove is arranged near the end of described socket, often organizes described groove and is embedded in and is provided with " O "
Shape sealing ring, the outer reinforcement net of the end face side being positioned at described socket is that cascaded surface shape is arranged, and described cascaded surface wraps successively
Include the first cascaded surface and second-order tread, described first rank being prolonged axial direction to described steel cylinder by the end of outer reinforcement net
The diameter of tread is less than the diameter of described second-order tread, and the external diameter of described first cascaded surface is prolonged the axle to described steel cylinder by end
Steel loop and wedge-type seal circle it is disposed with to direction.
Further, the present invention provide steel cylinder concrete push pipe, described outer steel sleeve with described dowel for welding.
Further, the steel cylinder concrete push pipe that the present invention provides, it is provided with on the described steel cylinder of described socket and passes through
Logical injected hole.
Further, the steel cylinder concrete push pipe that the present invention provides, it is separated by described in two groups of setting and is provided with between groove
Pressure testing hole.
Further, the steel cylinder concrete push pipe that the present invention provides, described pressure testing hole is 30 degree to 180 degree and is distributed in described
The radial direction of socket.
Further, the steel cylinder concrete push pipe that the present invention provides, described outer steel sleeve is provided with steam vent, described steam vent
It is positioned at the lateral surface of the end of described bellmouth.
In order to solve above-mentioned technical problem, the present invention also provides for the method for attachment of a kind of steel cylinder concrete push pipe, uses two
Save above-mentioned steel cylinder concrete push pipe, including the first steel cylinder concrete push pipe and the second steel cylinder concrete push pipe；Described first
Wooden dunnage is installed in the end of the bellmouth of steel cylinder concrete push pipe, uses incremental launching method by the socket of described second bronze medal cylinder concrete ceiling coil
Push into the bellmouth of the first steel cylinder concrete push pipe；The socket of the second bronze medal cylinder concrete ceiling coil is made by described " O " shape sealing ring
And formed between the bellmouth of the first steel cylinder concrete push pipe and be tightly connected；The second steel cylinder concrete is made by described wedge-type seal circle
The outer reinforcement net of push pipe and the outer steel sleeve of the first bronze medal cylinder concrete ceiling coil are formed and are tightly connected.
Further, the method for attachment of the steel cylinder concrete push pipe that the present invention provides, when the first bronze medal cylinder concrete ceiling coil
The outer reinforcement net of outer steel sleeve and the second steel cylinder concrete push pipe is formed when being tightly connected, and makes outside the first bronze medal cylinder concrete ceiling coil
Leaving gap between the outer reinforcement net of steel bushing and the second steel cylinder concrete push pipe, described gap is as the injected hole of connection steel cylinder
Coupler.
Further, the method for attachment of the steel cylinder concrete push pipe that the present invention provides, pressure testing hole is carried out hydraulic pressure for the first time
Experiment；Carry out steel cylinder concrete push pipe after the water pressure test is qualified when first time to bury construction；To slip casting in the work progress that buries
Hole carries out injecting lubricated slurry；After the step of first steel cylinder concrete push pipe jacking the second bronze medal cylinder concrete ceiling coil completes, then
Pressure testing hole carries out the second time water pressure test, and after the second time water pressure test is qualified, the filleting carrying out micro-expansion cement mortar is executed
Work；Carry out mud displacement at injected hole and inject concrete slurry replacement lubricated slurry, after completing, use pipe plug to block.
Compared with prior art, steel cylinder concrete push pipe that the present invention provides and attaching method thereof, by being embedded in socket
Groove in " O " shape sealing ring make the socket of this section copper cylinder concrete ceiling coil and next joint steel cylinder concrete push pipe bellmouth it
Between formed and be tightly connected；The wedge-type seal circle arranged by the first cascaded surface of the outer reinforcement net of the end face side of socket makes this
The outer reinforcement net of joint steel cylinder concrete push pipe is tightly connected with the outer steel sleeve formation of next joint copper cylinder concrete ceiling coil；Have good
The common effect of good sealing property, " O " shape sealing ring and wedge-type seal circle, it is possible to strengthen two adjacent sections steel cylinder concrete push pipe
The sealing property connected.Female end lateral surface arrange outer steel sleeve and the side of socket end arrange wedge-type seal circle and
Steel loop, it is possible to protect this joint steel cylinder concrete push pipe not by outside silt particle during next joint steel cylinder concrete push pipe of jacking
Invade, thus it is not enough to overcome steel cylinder concrete push pipe centering capacity in construction, and overcome two adjacent sections steel cylinder coagulation
The problem of the sealing joint performance of soil push pipe.The cooperation of outer steel sleeve and injected hole can make pipeline slip casting tunneling boring more uniform,
It is particular enable to make the uniform distribution of anti-drag mud smooth-going, distance jacking reduces top power, less on surrounding enviroment impact.This
The steel cylinder of invention can play impervious effect, also can play vertical hoop stress effect, reduces the effect of internal layer arrangement of reinforcement.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the steel cylinder concrete push pipe of one embodiment of the invention；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the interface cross-sectional view of two adjacent sections steel cylinder concrete push pipe.
Shown in figure: 1, steel cylinder, 2, bellmouth, 3, socket, 4, internal layer bar-mat reinforcement, 5, outer reinforcement net, 6, outer steel sleeve, 7, anchor
Muscle, 8, steel loop, 9, tube core concrete, 10, " O " shape sealing ring, 11, wooden dunnage, 12, wedge-type seal circle, 13, injected hole, 13a,
Grouting nozzle, 14, pressure testing hole, 15, steam vent, 16, micro-expansion cement mortar.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
Embodiment one
Refer to Fig. 1-3, the present embodiment one provides a kind of steel cylinder concrete push pipe, includes internal layer reinforcing bar the most successively
Net 4, steel cylinder 1, tube core concrete 9, outer reinforcement net 5, the two ends of described steel cylinder 1 have been respectively fixedly connected with bellmouth 2 and socket 3,
Also including the outer steel sleeve 6 being fixedly installed on described outer reinforcement net 5, described outer steel sleeve 6 is positioned at the outside of the end of described bellmouth 2
Face, described outer steel sleeve 6 passes described outer reinforcement net 5 and the anchor connection of described tube core concrete 9, described socket 3 by dowel 7
Being separated by and be provided with two groups of grooves 31, described groove 31 is arranged near the end of described socket, often organizes described groove 31 and is embedded in and sets
Being equipped with " O " shape sealing ring 10, the outer reinforcement net 5 of the end face side being positioned at described socket 3 is arranged in cascaded surface shape, described rank
Tread includes the first cascaded surface 51 and the second-order being prolonged the axial direction to described steel cylinder 1 by the end of outer reinforcement net 5 successively
Tread 52, the diameter of described first cascaded surface 51 is less than the diameter of described second-order tread 52, outside described first cascaded surface 51
The axial direction that footpath is prolonged to described steel cylinder 1 by end is disposed with steel loop 8 and wedge-type seal circle 12.
As preferably embodiment, the steel cylinder concrete push pipe that the present invention provides, described outer steel sleeve 6 and described dowel 7
For welding.The i.e. dowel 7 also middle golden welding metal material such as steel or ferrum.Have and draw materials conveniently, make simple advantage.
Refer to Fig. 3, as preferably embodiment, the steel cylinder concrete push pipe that the present invention provides, near described socket 3
Described steel cylinder 1 on be provided with through injected hole 13.Injected hole 13 is used for injecting concrete slurry, to form tube core concrete
9, and in inside and outside bar-mat reinforcement, inject concrete slurry.The injected hole of the present embodiment is 3, if without outer steel sleeve 6, serosity from
Three injected holes 13 inject directly in soil, have had outer steel sleeve 6, then serosity can not be that point-like is sprayed by the stop of outer steel sleeve 6,
But planar is injected in soil, thus it is full of the pipe week of steel cylinder concrete push pipe the most uniformly.There are the lubrication of serosity, steel
Cylinder concrete ceiling coil is slurry layer with soil contact face in jack-in process, and steel cylinder concrete push pipe can be avoided directly to contact with soil,
Reduce being walked by soil zone in steel cylinder concrete push pipe jack-in process, thus reduce soil body sedimentation, have fewer environmental impacts.
Refer to Fig. 3, as preferably embodiment, the steel cylinder concrete push pipe that the present invention provides, be separated by the two of setting
Organize and be provided with pressure testing hole 14 between described groove 31.Pressure testing hole 14 is used for carrying out the water pressure test, to confirm steel cylinder concrete push pipe
Whether can bury construction.
As preferably embodiment, the steel cylinder concrete push pipe that the present invention provides, described pressure testing hole 14 be 30 degree to 180
Degree is distributed in the radial direction of described socket 3.The distribution angle in this pressure testing hole 14, only one of which optimal way, but not only
It is limited to the distribution of this angle.In the present embodiment, pressure testing hole 14 is preferably 2, and it has the advantage of Quick-action pressure-testing, and prevents it
In an obstruction, another one can be used to proceed hydraulic pressure test.
Refer to Fig. 3, as preferably embodiment, the steel cylinder concrete push pipe that the present invention provides, described outer steel sleeve 6 sets
Being equipped with steam vent 15, described steam vent 15 is positioned at the lateral surface of the end of described bellmouth 2.The quantity of steam vent 15 is for often saving steel cylinder
Concrete ceiling coil reserves one.
As preferably embodiment, the steel cylinder concrete push pipe that the present invention provides, described bellmouth 2, socket 3 be steel or
The welding metal material such as ferrum is made, and it has and is connected firmly with steel cylinder 1, makes simple advantage.Wherein, steel cylinder 1,
Bellmouth 2, socket 3, outer steel sleeve 6 are the cylinder of hollow, it is also possible to be referred to as torus.
Embodiment two
The present embodiment two provides a kind of method of attachment based on the steel cylinder concrete push pipe implementing, uses two joint embodiments
Steel cylinder concrete push pipe in one, including the first steel cylinder concrete push pipe 100 and the second steel cylinder concrete push pipe 200；Described
Wooden dunnage 11 is installed in the end of the bellmouth 2 of the first steel cylinder concrete push pipe 100, uses incremental launching method by described second bronze medal cylinder concrete
The socket 3 of push pipe 200 pushes into the bellmouth 2 of the first steel cylinder concrete push pipe 100；Second is made by described " O " shape sealing ring 10
Formed between socket 3 and the bellmouth 2 of the first steel cylinder concrete push pipe 100 of copper cylinder concrete ceiling coil 200 and be tightly connected；By institute
State outside outer reinforcement net 5 and the first bronze medal cylinder concrete ceiling coil 100 that wedge-type seal circle 12 makes the second steel cylinder concrete push pipe 200
Steel bushing 6 is formed and is tightly connected.
As preferably embodiment, the method for attachment of the steel cylinder concrete push pipe that the present invention provides, when the first bronze medal cylinder mixes
The solidifying outer steel sleeve 6 of soil push pipe 100 and the outer reinforcement net 5 of the second steel cylinder concrete push pipe 200 are formed when being tightly connected, and make first
Gap is left, institute between outer steel sleeve 6 and the outer reinforcement net 5 of the second steel cylinder concrete push pipe 200 of copper cylinder concrete ceiling coil 100
State the gap coupler 13a as the injected hole 13 of connection steel cylinder 1.Coupler 13a can connect hand-hole by grouting pipe
13, think that internal layer bar-mat reinforcement 4 injects concrete slurry, form the armored concrete of internal layer.This gap is preferably obliquely installed, i.e.
The step of the second-order tread 52 of the outer reinforcement net 5 of the second steel cylinder concrete push pipe 200 is in-service is oblique section to direction, corresponding
The end of free end of outer steel sleeve 6 of the first bronze medal cylinder concrete ceiling coil 100 be also the oblique section parallel with second-order tread 52.
It has the effect that will pass through the construction that coupler 13a insertion grouting pipe completes slip casting.The setting of oblique section, it is possible to prevent from hanging down
Concrete slurry during straight slip casting vertically pours into the choking phenomenon piled up and produce.
As preferably embodiment, the method for attachment of the steel cylinder concrete push pipe that the present invention provides, pressure testing hole 14 is entered
Row hydrostatic test for the first time；Carry out steel cylinder concrete push pipe after the water pressure test is qualified when first time to bury construction；In construction of burying
During carry out injected hole 13 injecting lubricated slurry；When first steel cylinder concrete push pipe 100 jacking the second bronze medal cylinder concrete top
After the step of pipe 200 completes, then pressure testing hole 14 is carried out the second time water pressure test, after the second time water pressure test is qualified, carry out
The filleting construction of micro-expansion cement mortar 16, with steel bell and spigot and the rubber ring of adequately protecting, reduces the corrosion under water environment；
Carry out mud displacement at injected hole 13 and inject concrete slurry replacement lubricated slurry, after completing, use pipe plug to block.
Steel cylinder concrete push pipe that the present invention provides and attaching method thereof, by " O " that be embedded in the groove 31 of socket 3
Shape sealing ring 10 makes to be formed between the bellmouth 2 of the socket 3 of this section copper cylinder concrete ceiling coil and next joint steel cylinder concrete push pipe close
Envelope connects；The wedge-type seal circle 12 arranged by the first cascaded surface 51 of the outer reinforcement net 5 of the end face side of socket 3 makes this section
The outer reinforcement net 5 of steel cylinder concrete push pipe is tightly connected with outer steel sleeve 6 formation of next joint copper cylinder concrete ceiling coil；So that
The present invention has good sealing property." O " shape sealing ring 10 and the common effect of wedge-type seal circle 12, it is possible to strengthen adjacent two
The sealing property that joint steel cylinder concrete push pipe connects.Bellmouth 2 end lateral surface arrange outer steel sleeve 6 and at the one of socket 3 end
The wedge-type seal circle 12 of side setting and steel loop 8, it is possible to protect this joint steel cylinder concrete push pipe at next joint steel cylinder concrete of jacking
Do not invaded by outside silt particle during push pipe, thus it is not enough to overcome steel cylinder concrete push pipe centering capacity in construction, with
And the problem overcoming the sealing joint performance of two adjacent sections steel cylinder concrete push pipe.The cooperation energy of outer steel sleeve 6 and injected hole 13
Enough make pipeline slip casting tunneling boring more uniform, be particular enable to make the uniform distribution of anti-drag mud smooth-going, subtract in distance jacking
Little top power is less on surrounding enviroment impact.The steel cylinder 1 of the present invention can play impervious effect, also can play vertical hoop by masterpiece
With, reduce the effect of internal layer arrangement of reinforcement.The present invention is positioned at the outer reinforcement net 5 of the end face side of socket 3 and arranges in cascaded surface shape,
Wherein, wherein, the first cascaded surface 51 and second-order tread 52 mass action are and next adjacent joint steel cylinder concrete push pipe
Outer steel sleeve is tightly connected.First cascaded surface 51 is for matching with wedge-type seal circle 12, to limit the position of wedge-type seal circle 12,
Prevent it from sliding and producing leakage, and the realization that matches with the outer steel sleeve of next joint steel cylinder concrete push pipe seals.
The invention is not restricted to above-mentioned detailed description of the invention, all various changes done within the spirit and scope of the present invention
Change, all within protection scope of the present invention.
Claims (9)
1. a steel cylinder concrete push pipe, include the most successively internal layer bar-mat reinforcement (4), steel cylinder (1), tube core concrete (9),
Outer reinforcement net (5), the two ends of described steel cylinder (1) have been respectively fixedly connected with bellmouth (2) and socket (3), it is characterised in that also wrap
Including the outer steel sleeve (6) being fixedly installed on described outer reinforcement net (5), described outer steel sleeve (6) is positioned at the end of described bellmouth (2)
Lateral surface, described outer steel sleeve (6) is by dowel (7) through described outer reinforcement net (5) with the anchoring of described tube core concrete (9) even
Connecing, described socket (3) is separated by and is provided with two groups of grooves (31), and described groove (31) is arranged near the end of described socket, often group
Described groove (31) is embedded in and is provided with " O " shape sealing ring (10), is positioned at the outer reinforcement net of the end face side of described socket (3)
(5) arranging in cascaded surface shape, described cascaded surface includes being prolonged to described steel cylinder (1) by the end of outer reinforcement net (5) successively
First cascaded surface (51) of axial direction and second-order tread (52), the diameter of described first cascaded surface (51) is less than described second
The diameter of cascaded surface (52), the external diameter of described first cascaded surface (51) is prolonged to the axial direction of described steel cylinder (1) successively by end
It is provided with steel loop (8) and wedge-type seal circle (12).
2. steel cylinder concrete push pipe as claimed in claim 1, it is characterised in that described outer steel sleeve (6) with described dowel (7) is
Welding.
3. steel cylinder concrete push pipe as claimed in claim 1, it is characterised in that near the described steel cylinder (1) of described socket (3)
On be provided with through injected hole (13).
4. steel cylinder concrete push pipe as claimed in claim 1, it is characterised in that be separated by groove (31) described in two groups of setting it
Between be provided with pressure testing hole (14).
5. steel cylinder concrete push pipe as claimed in claim 4, it is characterised in that described pressure testing hole (14) is 30 degree to 180 degree
It is distributed in the radial direction of described socket (3).
6. steel cylinder concrete push pipe as claimed in claim 1, it is characterised in that described outer steel sleeve (6) is provided with steam vent
(15), described steam vent (15) is positioned at the lateral surface of end of described bellmouth (2).
7. the method for attachment of a steel cylinder concrete push pipe, it is characterised in that use two joint institutes as any one of claim 1-6
The steel cylinder concrete push pipe stated, including the first steel cylinder concrete push pipe (100) and the second steel cylinder concrete push pipe (200)；Institute
Wooden dunnage (11) is installed in the end of the bellmouth (2) stating the first steel cylinder concrete push pipe (100), uses incremental launching method by described second bronze medal
The socket (3) of cylinder concrete ceiling coil (200) pushes into the bellmouth (2) of the first steel cylinder concrete push pipe (100)；By described " O "
Shape sealing ring (10) makes the socket (3) of the second bronze medal cylinder concrete ceiling coil (200) and the bellmouth of the first steel cylinder concrete push pipe (100)
(2) formed between and be tightly connected；The outer reinforcement of the second steel cylinder concrete push pipe (200) is made by described wedge-type seal circle (12)
Net (5) is tightly connected with outer steel sleeve (6) formation of the first bronze medal cylinder concrete ceiling coil (100).
8. the method for attachment of steel cylinder concrete push pipe as claimed in claim 7, it is characterised in that when the first bronze medal cylinder concrete top
The outer reinforcement net (5) of outer steel sleeve (6) and the second steel cylinder concrete push pipe (200) of pipe (100) is formed when being tightly connected, and makes the
Between outer steel sleeve (6) and the outer reinforcement net (5) of the second steel cylinder concrete push pipe (200) of one bronze medal cylinder concrete ceiling coil (100)
Leaving gap, described gap is as the coupler (13a) of the injected hole (13) of connection steel cylinder (1).
9. the method for attachment of steel cylinder concrete push pipe as claimed in claim 8, it is characterised in that pressure testing hole (14) are carried out the
Hydrostatic test；Carry out steel cylinder concrete push pipe after the water pressure test is qualified when first time to bury construction；At the work progress that buries
In carry out injected hole 13 injecting lubricated slurry；When first steel cylinder concrete push pipe (100) jacking the second bronze medal cylinder concrete ceiling coil
(200) after step completes, then pressure testing hole 14 is carried out the second time water pressure test, after the second time water pressure test is qualified, carry out
The filleting construction of micro-expansion cement mortar 16；Carry out mud displacement at injected hole (13) and inject concrete slurry replacement lubrication mud
Slurry, uses pipe plug to block after completing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891846.8A CN106321999A (en) | 2016-10-12 | 2016-10-12 | Steel cylinder concrete top pipe and connecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891846.8A CN106321999A (en) | 2016-10-12 | 2016-10-12 | Steel cylinder concrete top pipe and connecting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321999A true CN106321999A (en) | 2017-01-11 |
Family
ID=57821500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610891846.8A Pending CN106321999A (en) | 2016-10-12 | 2016-10-12 | Steel cylinder concrete top pipe and connecting method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106321999A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709035A (en) * | 2018-05-07 | 2018-10-26 | 安徽砼宇特构科技有限公司 | A kind of spliced concrete tubing |
| CN108716572A (en) * | 2018-05-07 | 2018-10-30 | 安徽砼宇特构科技有限公司 | A kind of jacking type concrete pipe structure |
| CN109538824A (en) * | 2018-12-28 | 2019-03-29 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of large-diameter steel reinforced concrete electric power jacking pipe structure of small curvature curved jacking |
| CN110030430A (en) * | 2019-03-12 | 2019-07-19 | 上海城建水务工程有限公司 | A kind of pipe jacking construction method for cylinder concrete pipe |
| CN112856036A (en) * | 2021-02-04 | 2021-05-28 | 重庆鸡冠石建筑工程有限公司 | Waterproof jacking pipe |
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| CN203533005U (en) * | 2013-11-22 | 2014-04-09 | 浙江巨龙管业股份有限公司 | Prestressed steel-concrete composite pressure jacking pipe |
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| CN108709035A (en) * | 2018-05-07 | 2018-10-26 | 安徽砼宇特构科技有限公司 | A kind of spliced concrete tubing |
| CN108716572A (en) * | 2018-05-07 | 2018-10-30 | 安徽砼宇特构科技有限公司 | A kind of jacking type concrete pipe structure |
| CN109538824A (en) * | 2018-12-28 | 2019-03-29 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of large-diameter steel reinforced concrete electric power jacking pipe structure of small curvature curved jacking |
| CN110030430A (en) * | 2019-03-12 | 2019-07-19 | 上海城建水务工程有限公司 | A kind of pipe jacking construction method for cylinder concrete pipe |
| CN112856036A (en) * | 2021-02-04 | 2021-05-28 | 重庆鸡冠石建筑工程有限公司 | Waterproof jacking pipe |
| CN112856036B (en) * | 2021-02-04 | 2022-06-17 | 重庆鸡冠石建筑工程有限公司 | Waterproof jacking pipe |
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Application publication date: 20170111 |