CN207989887U - Inner lining steel tubular type RC pipejacking - Google Patents
Inner lining steel tubular type RC pipejacking Download PDFInfo
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- CN207989887U CN207989887U CN201820417922.6U CN201820417922U CN207989887U CN 207989887 U CN207989887 U CN 207989887U CN 201820417922 U CN201820417922 U CN 201820417922U CN 207989887 U CN207989887 U CN 207989887U
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Abstract
The utility model is related to a kind of concrete ceiling coils, especially inner lining steel tubular type RC pipejacking, including the internal-wall concrete pipe of the coaxial line set gradually from inside to outside, steel pipe and outer wall pipe of concrete；The both ends of the outer wall pipe of concrete are concordant with the both ends of steel pipe, and outer wall pipe of concrete is internally provided with framework of steel reinforcement, and one end of outer wall pipe of concrete is equipped with bellmouth steel loop, and bellmouth steel loop is located on the lateral surface of outer wall pipe of concrete；The lateral surface of the other end of outer wall pipe of concrete is inwardly equipped with seal groove and only Jiao Tai from end successively, and cushion rubber is housed in seal groove.The push pipe outer wall is smooth, the coefficient of friction resistance is small, in jacking construction, suffered resistance is small, speed of application is fast, easy for construction, tube body and interface impermeability are good, the higher occasion of operating pressure is can apply to, service life length, low engineering cost, good corrosion resistance, pipe deformation are small, internal-wall concrete pipe is not easy to crack, fall off.
Description
Technical field
The utility model is related to a kind of concrete ceiling coils, especially inner lining steel tubular type RC pipejacking.
Background technology
Pipe-jacking technology is a no-dig technique driving formula pipeline laying construction technology for municipal construction, and advantage is not shadow
Ring ambient enviroment or influence it is smaller, construction site is small, and noise is small, and can go deep into underground job, be after shield-tunneling construction it
A kind of underground pipeline construction method to grow up afterwards, it does not need excavation face layer, and being capable of highway crossing, railway, river
River, above ground structure, underground structure and various underground utilities etc.；Jacking construction is relayed by means of main top oil cylinder and pipeline enclosure
Between equal thrust, tool pipe or development machine are shifted onto always across soil layer in received well out of active well and sling, at the same time,
Just the piping laying after tool pipe or development machine is followed closely between Liang Jing, to realize the construction of trenchless installation underground piping
Method.
The pressure pipeline tubing for capableing of directly jacking at present mainly has welded still pipe and RC pipejacking, welded still pipe
Cost is higher, and outer wall erosion resistant coating is easy to rub bad, and due to being the direct jacking of steel pipe, is easy to generate because of road alternate load tired
Labor is destroyed, and inner wall corrosion resistance is also poor, and steel pipe is saved per jacking one will carry out weld job, long construction period, and steel pipe is set
Meter service life is generally 20 years.RC pipejacking, can also when operating pressure is relatively low in pipe since it does not have prestressing force
It uses, when operating pressure reaches 0.4MPa or more, quantity of reinforcement is very high, and project cost is expensive.Common pre-stress steel cylinder coagulation
Native pipe is more crude since its outer wall is mortar cover, it is in uneven thickness, generally 30 millimeters or so, cannot be directly used to
Jacking operation.The current important common no-dig technique pipeline designs scheme of comparison between projects is first to push up ordinary reinforced concrete push pipe, so
Wear steel pipe or Prestressed concrete cylinder pipe in ordinary reinforced concrete push pipe again afterwards, but this scheme cost it is very high,
Construction inconvenience, long construction period, jacking resistance are big.
Authorization Notice No. is that the Chinese patent of CN204358276U discloses a kind of concrete ceiling coil, including concrete tube coupling
Material with the drag-reducing coating being formed on the concrete tube coupling outer wall, the drag-reducing coating includes paraffin；By in coagulation
Form drag-reducing coating on the outer wall of native tube coupling, although can avoid the erosion of underground water, reduce concrete ceiling coil outer surface with
Frictional resistance between the soil body, to facilitate push pipe jacking construction operation:Push pipe is carried in active well by crane, due to push pipe
For pipe, crane easy tos produce inertia when carrying, and the push pipe on lifting rope is easy to skid on lifting rope at this time, leads to push pipe
It is unstable when carrying, easy to produce security incident.
Utility model content
To solve the above problems, the utility model provide a kind of applicable non-excavating construction, it is easy for construction, safe, quick, one
Secondary jacking, resistance is small, can apply to operating pressure higher occasion, inner lining steel tubular type armored concrete top with long service life
Pipe, specific technical solution are：
Inner lining steel tubular type RC pipejacking, including the internal-wall concrete pipe of the coaxial line that sets gradually from inside to outside,
Steel pipe and outer wall pipe of concrete；The both ends of the outer wall pipe of concrete are concordant with the both ends of steel pipe, the inside of outer wall pipe of concrete
Equipped with framework of steel reinforcement, one end of outer wall pipe of concrete is equipped with bellmouth steel loop, and bellmouth steel loop is located at the outside of outer wall pipe of concrete
On face；The lateral surface of the other end of outer wall pipe of concrete is inwardly equipped with seal groove successively from end and only Jiao Tai, seal groove are built-in
There is cushion rubber.
By using above-mentioned technical proposal, inner lining steel tubular type RC pipejacking is mainly used for pressure feed water engineering, interior
The steel pipe of lining is primarily subjected to internal water pressure, and outer wall pipe of concrete is primarily subjected to external pressure load and meets jacking construction needs.
Bellmouth steel loop is pipe joint, and for being connected to each other between pipeline, bellmouth steel loop collectively constitutes sealing group with cushion rubber
Part.
The main function of framework of steel reinforcement is to can guarantee that outer wall pipe of concrete is integral in jacking to be unlikely to longitudinal direction occur
Crack.Outer wall pipe of concrete bears axial top power, protects steel pipe, bears external load, while outer wall smoother, applied convenient for jacking
Work.
Preferably, the framework of steel reinforcement is cylindrical reinforcing steel cage, and framework of steel reinforcement includes steel hoop and longitudinal reinforcement, described
Longitudinal reinforcement is parallel with the axis of outer wall pipe of concrete, axis spaced set of the longitudinal reinforcement around outer wall pipe of concrete；It is described
Steel hoop is fixed on longitudinal reinforcement, axial spaced set of the steel hoop along outer wall pipe of concrete.
By using above-mentioned technical proposal, framework of steel reinforcement effectively increases the intensity of outer wall pipe of concrete, makes outer wall coagulation
Soil pipe is more firm, can bear external pressure load and meet jacking construction needs.
Preferably, the framework of steel reinforcement is no less than two layers.
By using above-mentioned technical proposal, multistory reinforced skeleton greatly improves the compression strength of outer wall pipe of concrete, no
It is fragile.
Preferably, the section of the cushion rubber is wedge shape, and cushion rubber is equipped with introduction bevel, and introduction bevel guiding cushion rubber is inserted into
In bellmouth steel loop.
By using above-mentioned technical proposal, wedge-shaped cushion rubber facilitates two inner lining steel tubular type RC pipejacking docking, glue
Circle is not easy to overturn.
Preferably, the other end of the outer wall pipe of concrete is equipped with socket steel ring, and socket steel ring is located at outer wall concrete
Lateral surface on, the socket steel ring is concordant with the end face of outer wall pipe of concrete, and cushion rubber is located at socket steel ring and only between glue platform.
By using above-mentioned technical proposal, socket steel ring protects the end of outer wall pipe of concrete.
Preferably, the end face at the both ends of the end face protrusion internal-wall concrete pipe at the both ends of the steel pipe.
The utility model has the advantages that compared with prior art：
Inner lining steel tubular type RC pipejacking outer wall provided by the utility model is smooth, the coefficient of friction resistance is small, is applied in jacking
Resistance suffered by working hour is small, and speed of application is fast, easy for construction, tube body and interface impermeability are good, and it is higher to can apply to operating pressure
Occasion, service life is long, low engineering cost；Flexible interface, which facilitates in jack-in process, rectifies a deviation, and is suitble to curved jacking；The steel of liner
Pipe is welded after the completion of jacking, and welding requirements is not in weld stress less than the steel-pipe welding requirement of non-excavating construction
It concentrates；The steel pipe of liner prevents tube body leakage；Good corrosion resistance, steel pipe and inside and outside wall concrete are integrally formed；External pressure load
It is born by outer wall concrete reinforced pipe, pipe deformation is small, and internal-wall concrete pipe is not easy to crack, falls off.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model.
Specific implementation mode
In conjunction with attached drawing, the utility model is described in further detail.
As shown in Figure 1, inner lining steel tubular type RC pipejacking, including the inner wall of coaxial line that sets gradually from inside to outside
Pipe of concrete 1, steel pipe 2 and outer wall pipe of concrete 3.
The end face at the both ends of the end face protrusion internal-wall concrete pipe 1 at the both ends of steel pipe 2, i.e. the end face at 2 both ends of steel pipe exceeds
The end face a distance at 1 both ends of internal-wall concrete pipe, after the distance is for two inner lining steel tubular type RC pipejacking docking
It is welded.
The both ends of outer wall pipe of concrete 3 are concordant with the both ends of steel pipe 2, and outer wall pipe of concrete 3 is internally provided with framework of steel reinforcement,
One end of outer wall pipe of concrete 3 is equipped with bellmouth steel loop 4, and bellmouth steel loop 4 is located on the lateral surface of outer wall pipe of concrete 3；Outer wall
The lateral surface of the other end of pipe of concrete 3 is inwardly equipped with socket steel ring 5, seal groove and only glue platform 33, seal groove successively from end
It is interior that cushion rubber 6 is housed.
Framework of steel reinforcement is cylindrical reinforcing steel cage, and framework of steel reinforcement includes steel hoop 32 and longitudinal reinforcement 31, longitudinal reinforcement 31
It is parallel with the axis of outer wall pipe of concrete 3, axis spaced set of the longitudinal reinforcement 31 around outer wall pipe of concrete 3；Steel hoop
32 are fixed on longitudinal reinforcement 31, axial spaced set of the steel hoop 32 along outer wall pipe of concrete 3.Framework of steel reinforcement is equipped with two
Layer.
Socket steel ring 5 is located on the lateral surface of outer wall concrete, and socket steel ring 5 is concordant with the end face of outer wall pipe of concrete 3,
Cushion rubber 6 is located at socket steel ring 5 and only between glue platform 33.
The section of cushion rubber 6 is wedge shape, and cushion rubber 6 is equipped with introduction bevel 61, and introduction bevel 61 guides cushion rubber 6 to be inserted into bellmouth
In steel loop 4.
Bellmouth steel loop 4 is pipe joint, for being connected to each other between inner lining steel tubular type RC pipejacking, bellmouth steel loop
4 collectively constitute seal assembly with cushion rubber 6.
The main function of framework of steel reinforcement is to can guarantee that outer wall pipe of concrete 3 is integral in jacking to be unlikely to longitudinal direction occur
Crack.Outer wall pipe of concrete 3 bears axial top power, protects steel pipe 2, bears external load, while outer wall smoother, is convenient for jacking
Construction.
Framework of steel reinforcement effectively increases the intensity of outer wall pipe of concrete 3, keeps outer wall pipe of concrete 3 more firm, Neng Goucheng
By external pressure load and meet jacking construction needs.
Claims (6)
1. inner lining steel tubular type RC pipejacking, which is characterized in that including the inner wall of the coaxial line set gradually from inside to outside
Pipe of concrete (1), steel pipe (2) and outer wall pipe of concrete (3)；The both ends at the both ends and steel pipe (2) of the outer wall pipe of concrete (3)
Concordantly, outer wall pipe of concrete (3) is internally provided with framework of steel reinforcement, and one end of outer wall pipe of concrete (3) is equipped with bellmouth steel loop (4),
And bellmouth steel loop (4) is located on the lateral surface of outer wall pipe of concrete (3)；The lateral surface of the other end of outer wall pipe of concrete (3) from
End is inwardly equipped with seal groove and only (33) Jiao Tai successively, and cushion rubber (6) is housed in seal groove.
2. inner lining steel tubular type RC pipejacking according to claim 1, which is characterized in that the framework of steel reinforcement is circle
Cylindricality steel reinforcement cage, framework of steel reinforcement include steel hoop (32) and longitudinal reinforcement (31), the longitudinal reinforcement (31) and outer wall coagulation
The axis of soil pipe (3) is parallel, axis spaced set of the longitudinal reinforcement (31) around outer wall pipe of concrete (3)；The steel hoop
(32) it is fixed on longitudinal reinforcement (31), axial spaced set of the steel hoop (32) along outer wall pipe of concrete (3).
3. inner lining steel tubular type RC pipejacking according to claim 1 or 2, which is characterized in that the framework of steel reinforcement
No less than two layers.
4. inner lining steel tubular type RC pipejacking according to claim 1, which is characterized in that the cushion rubber (6) is cut
Face is wedge shape, and cushion rubber (6) is equipped with introduction bevel (61), and introduction bevel (61) guiding cushion rubber (6) is inserted into bellmouth steel loop (4)
In.
5. inner lining steel tubular type RC pipejacking according to claim 1, which is characterized in that the outer wall pipe of concrete
(3) the other end is equipped with socket steel ring (5), and socket steel ring (5) is located on the lateral surface of outer wall concrete, the socket steel ring
(5) concordant with the end face of outer wall pipe of concrete (3), cushion rubber (6) is located between socket steel ring (5) and only Jiao Tai (33).
6. inner lining steel tubular type RC pipejacking according to claim 1, which is characterized in that the two of the steel pipe (2)
The end face at the both ends of the end face protrusion internal-wall concrete pipe (1) at end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417922.6U CN207989887U (en) | 2018-03-26 | 2018-03-26 | Inner lining steel tubular type RC pipejacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417922.6U CN207989887U (en) | 2018-03-26 | 2018-03-26 | Inner lining steel tubular type RC pipejacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989887U true CN207989887U (en) | 2018-10-19 |
Family
ID=63829235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820417922.6U Active CN207989887U (en) | 2018-03-26 | 2018-03-26 | Inner lining steel tubular type RC pipejacking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989887U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032407A (en) * | 2020-08-12 | 2020-12-04 | 莫志华 | Underground gas jacking pipe laying system |
| CN112728210A (en) * | 2020-12-30 | 2021-04-30 | 湖州友盛水泥制品有限公司 | Concrete pipe jacking structure |
| CN112814114A (en) * | 2020-12-31 | 2021-05-18 | 浙江银泰水泥构件股份有限公司 | Reinforced concrete pipe jacking pipe joint and processing die thereof |
| CN112878460A (en) * | 2021-03-26 | 2021-06-01 | 中铁二十三局集团第四工程有限公司 | Construction method for steel pipe built in reinforced concrete sleeve |
-
2018
- 2018-03-26 CN CN201820417922.6U patent/CN207989887U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032407A (en) * | 2020-08-12 | 2020-12-04 | 莫志华 | Underground gas jacking pipe laying system |
| CN112728210A (en) * | 2020-12-30 | 2021-04-30 | 湖州友盛水泥制品有限公司 | Concrete pipe jacking structure |
| CN112814114A (en) * | 2020-12-31 | 2021-05-18 | 浙江银泰水泥构件股份有限公司 | Reinforced concrete pipe jacking pipe joint and processing die thereof |
| CN112878460A (en) * | 2021-03-26 | 2021-06-01 | 中铁二十三局集团第四工程有限公司 | Construction method for steel pipe built in reinforced concrete sleeve |
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