CN107059921A - The precast assembly pipe gallery and installation method of sedimentation adaptively with semirigid joint - Google Patents
The precast assembly pipe gallery and installation method of sedimentation adaptively with semirigid joint Download PDFInfo
- Publication number
- CN107059921A CN107059921A CN201710265255.4A CN201710265255A CN107059921A CN 107059921 A CN107059921 A CN 107059921A CN 201710265255 A CN201710265255 A CN 201710265255A CN 107059921 A CN107059921 A CN 107059921A
- Authority
- CN
- China
- Prior art keywords
- tube coupling
- adaptively
- pipe gallery
- convex portion
- precast assembly
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to a kind of precast assembly pipe gallery settled adaptively with semirigid joint, pipe shaft including Longitudinal extending, prefabricated hollow tube coupling is end to end constitutes by several for the pipe shaft, the seam crossing of two adjacent tube couplings is provided with water proof rubber circle, the studs through Longitudinal extending, nut are spirally connected and are integrated between two adjacent tube couplings, and every studs is arranged with damping energy-dissipating device between the nut and tube coupling of same side.The sedimentation is adaptively simple in construction with the precast assembly pipe gallery of semirigid joint.
Description
Technical field
The present invention relates to a kind of precast assembly pipe gallery and installation method settled adaptively with semirigid joint.
Background technology
The pipes such as the various municipal administrations of concentration classified storage, electric power, communication, combustion gas that pipe gallery is built as Urban Underground
The underground space structure in the similar tunnel of line, pipe gallery is more advanced infrastructure pipe net arrangement shape in the world at present
Formula, is the trend and trend of urban construction and urban development, is the effective means for making full use of the underground space.Pipe gallery is one
Kind of intensive, the underground utilities system of laying of sustainability, the maintenance that on the one hand it facilitate pipeline updates, it is to avoid city road
Excavating repeatedly and the various problems thus brought for road, on the other hand also improve the service life of pipeline, it is to avoid soil
In various chemical compositions corrosion function produce endurance issues.And precast assembly pipe gallery and prefabrication cast-in-place construction it is comprehensive
Close piping lane to compare, have again and ensure that quality, shorten the duration, reduce the more significant advantage such as cost, energy-conserving and environment-protective, should make
To build the preferred construction method of underground pipe gallery.
However, as a kind of long linear tunnel space structure of underground, underground differential settlement is that pipe gallery is had to
The acid test faced.The underground differential settlement that a variety of causes is caused can make underground pipe gallery structure longitudinal direction occur
Deformation, also results in comprehensive pipe gallery structure and the crack through cross section occurs and thereby result in the durability and peace of structure when serious
Full sex chromosome mosaicism.
Structure longitudinal rigidity can be reduced to a certain extent using precast assembly pipe gallery, reduce uneven settlement of foundation
Influence.However, underground precast assembly pipe gallery joint generally uses rigidity or flexible construction at present.Rigid joint construction becomes
Shape is small, water resistance is good, but deformation adaptability is poor, easily occur larger differential settlement premature degradation in ground.Flexibility connects
Head structure deformation is adaptable, but it is poor to deform larger, water resistance.
The content of the invention
In view of the deficiencies in the prior art, it is adaptively firm with half that the technical problems to be solved by the invention are to provide a kind of sedimentation
The precast assembly pipe gallery and installation method of property joint, are not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical scheme is that:It is a kind of sedimentation adaptively with semirigid joint
Precast assembly pipe gallery, includes the pipe shaft of Longitudinal extending, the pipe shaft is by several end to end group prefabricated of hollow tube couplings
Into the seam crossing of two adjacent tube couplings is provided with the studs through Longitudinal extending, nut spiral shell between water proof rubber circle, two adjacent tube couplings
One is connected in, every studs is arranged with damping energy-dissipating device between the nut and tube coupling of same side.
It is preferred that, the damping energy-dissipating device is damping spring or Rubber shock-absorbing pad.
It is preferred that, the head end of the tube coupling is provided with convex portion, and the tail end of the tube coupling is provided with recess, two adjacent tubes
Mutually assembled chimeric between the convex portion of section and recess, the shape of the convex portion and recess is adapted.
It is preferred that, the outer contour shape of the tube coupling is square, and the hollow space of the tube coupling is formed for installing pipeline
Square die cavity, the two ends of the square die cavity run through the both ends of tube coupling, and the inwall of the square die cavity is at four right angles
Position is installed with the inclined-plane of chamfering formula, and nearly head end and the caudal part of the tube coupling offer installation groove bar, institute on inclined-plane
State and the connection through hole that tail end installs groove bar is communicated with the tail end of tube coupling, head end installation is communicated with the head end of the tube coupling
The connection through hole of groove bar.
It is preferred that, the length for installing groove bar is more than the length of studs.
It is preferred that, packing ring is provided between the nut and damping energy-dissipating device, the studs is high-strength studs.
It is preferred that, the water proof rubber number of turns amount of the seam crossing of two adjacent tube couplings is twice.
It is preferred that, the direction of the perisporium of the convex portion along tail end to head end gradually slopes inwardly, the perisporium of the recess
Direction along tail end to head end gradually slopes inwardly, and the perisporium of the convex portion is identical with all drafts of recess.
It is preferred that, the water proof rubber circle is at the chimeric perisporium of the convex portion of two adjacent tube couplings and recess.
A kind of installation method settled adaptively with the precast assembly pipe gallery of semirigid joint, enters according to the following steps
OK:
(1)Several prefabricated tube couplings in factory, the head end of tube coupling sets convex portion, and the tail end of tube coupling sets recess, convex portion with it is recessed
The shape in portion is adapted;
(2)Several tube couplings are transported to job site, water proof rubber circle is installed on the convex portion of each tube coupling and recess, will be pacified
The tube coupling for installing water proof rubber circle lifts to specified location and assembly is docked with manned adjacent tube coupling, and docking notes when assembled
Convex portion and recess are mutually matched;
(3)Complete after the prefabricated tube coupling assembly of a tensioning section internal standard form, longitudinally mounted studs, first by double end
Stud inserts the connection through hole of two adjacent tube couplings by installing groove bar, and damping power consumption is then respectively mounted at the two ends of studs
Device, is finally being installed in groove bar using nut and washer locking;
(4)Repeat the above steps, the assembly of the prefabricated tube coupling of each section internal standard form is carried out successively and damping energy-dissipating device, double
The installation and fastening of header stud;
(5)After the Work sectors installation, you can carry out the installment work of the section gut line.
Compared with prior art, the invention has the advantages that:The sedimentation is adaptively prefabricated with semirigid joint
The simple structure of assembled pipe gallery, easy construction, with good deformation adaptability and shock resistance, has well again
Water resistance.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the organigram of the embodiment of the present invention.
Fig. 2 is the connection diagram of two adjacent tube couplings in the embodiment of the present invention.
Fig. 3 is the side view of tube coupling in the embodiment of the present invention.
Fig. 4 is the stereogram of tube coupling in the embodiment of the present invention.
Embodiment
For the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows.
As shown in Fig. 1 ~ 4, a kind of precast assembly pipe gallery settled adaptively with semirigid joint, including Longitudinal extending
Pipe shaft 1, prefabricated hollow tube coupling 2 is end to end constitutes by several for the pipe shaft, and the seam crossing of two adjacent tube couplings is provided with anti-
The studs 4 through Longitudinal extending, nut 5 are spirally connected and are integrated between water rubber ring 3, two adjacent tube couplings, and every studs exists
With damping energy-dissipating device 6 is arranged between the nut and tube coupling of side, semirigid joint is formed after assembly.
In embodiments of the present invention, the damping energy-dissipating device is damping spring or Rubber shock-absorbing pad, and Rubber shock-absorbing pad can
To use high-strength Rubber shock-absorbing pad, by the displacement of the damping energy-dissipating device, make adjacent tubes internode that there is certain rotational deformation
Ability and shock resistance, the pipe gallery can be very good to adapt to the differential settlement and geological process on stratum, while passing through two
The constraint of end nut so that splicing structure has preferable globality, nut can be with step-less adjustment, it is ensured that interface deformation amount controlling
It in allowed band, when damping energy-dissipating device is destroyed, can easily change, improve uneven settlement of foundation and earthquake is made
With the adverse effect to precast assembly comprehensive pipe gallery structure security, applicability and durability.
In embodiments of the present invention, water proof rubber circle can be using the water proof rubber material generally used in underground structure at present
Material, can also use other products(Such as:Hydro-expansive rubber), to improve the water resistance of seam.
In embodiments of the present invention, the head end of the tube coupling is provided with convex portion 7, and the tail end of the tube coupling is provided with recessed
Portion 8, mutually assembled chimeric between the convex portion of two adjacent tube couplings and recess, the shape of the convex portion and recess is adapted.
In embodiments of the present invention, the outer contour shape of the tube coupling is square, and the hollow space formation of the tube coupling is used
In the square die cavity 9 for installing pipeline, the both ends of tube coupling, the inwall of the square die cavity are run through in the two ends of the square die cavity
The inclined-plane 10 of chamfering formula is installed with four square positions, nearly head end and the caudal part of the tube coupling are offered on inclined-plane
Install and the connection through hole 12 that tail end installs groove bar is communicated with groove bar 11, the tail end of the tube coupling, on the head end of the tube coupling
It is communicated with the connection through hole that head end installs groove bar.
In embodiments of the present invention, the length for installing groove bar is more than the length of studs.
In embodiments of the present invention, packing ring 13 is provided between the nut and damping energy-dissipating device, the studs is
High-strength studs.
In embodiments of the present invention, the water proof rubber number of turns amount of the seam crossing of two adjacent tube couplings is twice.
In embodiments of the present invention, direction of the perisporium of the convex portion along tail end to head end gradually slopes inwardly, described
Direction of the perisporium of recess along tail end to head end gradually slopes inwardly, the perisporium of the convex portion and all draft phases of recess
Together.
In embodiments of the present invention, the water proof rubber circle is located at the convex portion of two adjacent tube couplings and the chimeric perisporium of recess
Place.
A kind of installation method settled adaptively with the precast assembly pipe gallery of semirigid joint, enters according to the following steps
OK:
(1)Several prefabricated tube couplings in factory, the head end of tube coupling sets convex portion, and the tail end of tube coupling sets recess, convex portion with it is recessed
The shape in portion is adapted;
(2)Several tube couplings are transported to job site, water proof rubber circle is installed on the convex portion of each tube coupling and recess, will be pacified
The tube coupling for installing water proof rubber circle lifts to specified location and assembly is docked with manned adjacent tube coupling, and docking notes when assembled
Convex portion and recess are mutually matched;
(3)Complete after the prefabricated tube coupling assembly of a tensioning section internal standard form, longitudinally mounted studs, first by double end
Stud inserts the connection through hole of two adjacent tube couplings by installing groove bar, and damping power consumption is then respectively mounted at the two ends of studs
Device, is finally being installed in groove bar using nut and washer locking;
(4)Repeat the above steps, the assembly of the prefabricated tube coupling of each section internal standard form is carried out successively and damping energy-dissipating device, double
The installation and fastening of header stud;
(5)After the Work sectors installation, you can carry out the installment work of the section gut line.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are each under the enlightenment of the present invention
The precast assembly pipe gallery and installation method of the sedimentation of the form of kind adaptively with semirigid joint.It is all according to the present patent application patent
The equivalent changes and modifications that scope is done, should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of precast assembly pipe gallery settled adaptively with semirigid joint, it is characterised in that:Including Longitudinal extending
Pipe shaft, prefabricated hollow tube coupling is end to end constitutes by several for the pipe shaft, and the seam crossing of two adjacent tube couplings is provided with waterproof rubber
The studs through Longitudinal extending, nut are spirally connected and are integrated between cushion rubber, two adjacent tube couplings, and every studs is in same side
Damping energy-dissipating device is arranged between nut and tube coupling.
2. the precast assembly pipe gallery of sedimentation according to claim 1 adaptively with semirigid joint, it is characterised in that:
The damping energy-dissipating device is damping spring or Rubber shock-absorbing pad.
3. the precast assembly pipe gallery of sedimentation according to claim 1 adaptively with semirigid joint, it is characterised in that:
The head end of the tube coupling is provided with convex portion, and the tail end of the tube coupling is provided with recess, the convex portion of two adjacent tube couplings and recess
Between it is mutually assembled chimeric, the shape of the convex portion and recess is adapted.
4. the precast assembly pipe gallery of sedimentation according to claim 1 adaptively with semirigid joint, it is characterised in that:
The outer contour shape of the tube coupling is square, and the hollow space of the tube coupling forms the square die cavity for installing pipeline, described
The both ends of tube coupling are run through at the two ends of square die cavity, and the inwall of the square die cavity is installed with chamfering in four square positions
The inclined-plane of formula, nearly head end and the caudal part of the tube coupling are offered on inclined-plane to be set on installation groove bar, the tail end of the tube coupling
There is connection tail end to install and the connection through hole that head end installs groove bar is communicated with the connection through hole of groove bar, the head end of the tube coupling.
5. the precast assembly pipe gallery of sedimentation according to claim 4 adaptively with semirigid joint, it is characterised in that:
The length for installing groove bar is more than the length of studs.
6. the precast assembly pipe gallery of sedimentation according to claim 1 adaptively with semirigid joint, it is characterised in that:
Packing ring is provided between the nut and damping energy-dissipating device, the studs is high-strength studs.
7. the precast assembly pipe gallery of sedimentation according to claim 1 adaptively with semirigid joint, it is characterised in that:
The water proof rubber number of turns amount of the seam crossing of two adjacent tube couplings is twice.
8. the precast assembly pipe gallery of sedimentation according to claim 3 adaptively with semirigid joint, it is characterised in that:
Direction of the perisporium of the convex portion along tail end to head end gradually slopes inwardly, and the perisporium of the recess is along tail end to head end
Direction gradually slopes inwardly, and the perisporium of the convex portion is identical with all drafts of recess.
9. the precast assembly pipe gallery of sedimentation according to claim 3 adaptively with semirigid joint, it is characterised in that:
The water proof rubber circle is at the chimeric perisporium of the convex portion of two adjacent tube couplings and recess.
10. a kind of installation method settled adaptively with the precast assembly pipe gallery of semirigid joint, it is characterised in that use
The precast assembly pipe gallery of any sedimentation adaptively with semirigid joint as described in claim 1-9, and by following step
It is rapid to carry out:
(1)Several prefabricated tube couplings in factory, the head end of tube coupling sets convex portion, and the tail end of tube coupling sets recess, convex portion with it is recessed
The shape in portion is adapted;
(2)Several tube couplings are transported to job site, water proof rubber circle is installed on the convex portion of each tube coupling and recess, will be pacified
The tube coupling for installing water proof rubber circle lifts to specified location and assembly is docked with manned adjacent tube coupling, and docking notes when assembled
Convex portion and recess are mutually matched;
(3)Complete after the prefabricated tube coupling assembly of a tensioning section internal standard form, longitudinally mounted studs, first by double end
Stud inserts the connection through hole of two adjacent tube couplings by installing groove bar, and damping power consumption is then respectively mounted at the two ends of studs
Device, is finally being installed in groove bar using nut and washer locking;
(4)Repeat the above steps, the assembly of the prefabricated tube coupling of each section internal standard form is carried out successively and damping energy-dissipating device, double
The installation and fastening of header stud;
(5)After the Work sectors installation, you can carry out the installment work of the section gut line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710265255.4A CN107059921A (en) | 2017-04-21 | 2017-04-21 | The precast assembly pipe gallery and installation method of sedimentation adaptively with semirigid joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710265255.4A CN107059921A (en) | 2017-04-21 | 2017-04-21 | The precast assembly pipe gallery and installation method of sedimentation adaptively with semirigid joint |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107059921A true CN107059921A (en) | 2017-08-18 |
Family
ID=59600404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710265255.4A Pending CN107059921A (en) | 2017-04-21 | 2017-04-21 | The precast assembly pipe gallery and installation method of sedimentation adaptively with semirigid joint |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107059921A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107938700A (en) * | 2017-11-17 | 2018-04-20 | 九州职业技术学院 | A kind of installation method of assembled underground pipe gallery |
CN108005118A (en) * | 2018-01-09 | 2018-05-08 | 中铁四局集团第四工程有限公司 | Underground pipe gallery agent structure integrates construction method |
CN108331016A (en) * | 2017-12-21 | 2018-07-27 | 吉林省天祥建筑材料有限公司 | Half rigid half soft formula bell and spigot connection structure of precast assembly piping lane and method |
CN108678002A (en) * | 2018-05-02 | 2018-10-19 | 湘潭大学 | A kind of precast assembly Pipe rack |
CN110318422A (en) * | 2019-07-19 | 2019-10-11 | 长沙如洋环保科技有限公司 | A kind of Urban Underground pipe gallery |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000346038A (en) * | 1999-06-01 | 2000-12-12 | Seibu Polymer Corp | Elastic washer for structure |
JP2007056887A (en) * | 2005-08-22 | 2007-03-08 | Maruei Concrete Industries Co Ltd | Pipe body joint |
KR20110001099A (en) * | 2009-06-29 | 2011-01-06 | 주식회사 동성콘크리트 | Box culvert with rubber |
CN102345297A (en) * | 2011-07-20 | 2012-02-08 | 同济大学 | Prefabricated and assembled comprehensive pipe gallery with semi-rigid joints |
CN105569074A (en) * | 2016-02-05 | 2016-05-11 | 青岛润国生态科技发展有限公司 | Assembly type prefabricated comprehensive pipe rack pipe joint connecting structure |
-
2017
- 2017-04-21 CN CN201710265255.4A patent/CN107059921A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000346038A (en) * | 1999-06-01 | 2000-12-12 | Seibu Polymer Corp | Elastic washer for structure |
JP2007056887A (en) * | 2005-08-22 | 2007-03-08 | Maruei Concrete Industries Co Ltd | Pipe body joint |
KR20110001099A (en) * | 2009-06-29 | 2011-01-06 | 주식회사 동성콘크리트 | Box culvert with rubber |
CN102345297A (en) * | 2011-07-20 | 2012-02-08 | 同济大学 | Prefabricated and assembled comprehensive pipe gallery with semi-rigid joints |
CN105569074A (en) * | 2016-02-05 | 2016-05-11 | 青岛润国生态科技发展有限公司 | Assembly type prefabricated comprehensive pipe rack pipe joint connecting structure |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107938700A (en) * | 2017-11-17 | 2018-04-20 | 九州职业技术学院 | A kind of installation method of assembled underground pipe gallery |
CN107938700B (en) * | 2017-11-17 | 2019-08-02 | 九州职业技术学院 | A kind of installation method of assembled underground pipe gallery |
CN108331016A (en) * | 2017-12-21 | 2018-07-27 | 吉林省天祥建筑材料有限公司 | Half rigid half soft formula bell and spigot connection structure of precast assembly piping lane and method |
CN108005118A (en) * | 2018-01-09 | 2018-05-08 | 中铁四局集团第四工程有限公司 | Underground pipe gallery agent structure integrates construction method |
CN108678002A (en) * | 2018-05-02 | 2018-10-19 | 湘潭大学 | A kind of precast assembly Pipe rack |
CN110318422A (en) * | 2019-07-19 | 2019-10-11 | 长沙如洋环保科技有限公司 | A kind of Urban Underground pipe gallery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107059921A (en) | The precast assembly pipe gallery and installation method of sedimentation adaptively with semirigid joint | |
CN102345297A (en) | Prefabricated and assembled comprehensive pipe gallery with semi-rigid joints | |
CN202170515U (en) | Prefabricated assembling composite pipe line with U-shaped section | |
CN110836121A (en) | Anti-floating reinforcing structure of operated subway tunnel and construction method | |
CN105546215B (en) | A kind of jacking method of assembled curve steel pipe jacking section header | |
CN104314584A (en) | Assembled type jacking pipe piece structure and assembling method thereof | |
CN107355239A (en) | Adapt to the compound section of jurisdiction of corrugated steel and its assembling method of shield tunnel Longitudinal Settlement | |
CN205371853U (en) | A heavy -calibre prestressing force steel cylinder concrete pipe for pushing up advance construction | |
CN206859258U (en) | Settle the adaptively precast assembly pipe gallery with semirigid joint | |
CN108868817A (en) | A kind of connection structure of cable conduit and shield tunnel containing the connection structure | |
CN209760278U (en) | UHPC pile integrated structure without bearing platform | |
CN204312088U (en) | A kind of pin-connected panel push pipe tunnel segment structure | |
CN207111126U (en) | Adapt to the compound section of jurisdiction of corrugated steel of shield tunnel Longitudinal Settlement | |
CN108914968A (en) | A kind of pipe gallery and its installation method with waterproof connector | |
CN206607609U (en) | Rich water sand-pebble layer underground engineering deformation joint structure | |
CN205839796U (en) | Pipe gallery internode attachment structure | |
CN110629792B (en) | Splicing construction method for corrugated steel pipe gallery | |
CN102055158A (en) | Trenchless buried type high voltage power cable bellows | |
CN208844615U (en) | A kind of pipe gallery with waterproof connector | |
CN110096826A (en) | A kind of oil-gas transportation shield tunnel makes somebody a mere figurehead the Seismic Design Method of roughing-in | |
CN110685234A (en) | Construction method of corrugated steel pipe culvert | |
CN102691312A (en) | Precast assembled pipeline combined shaft | |
CN202899047U (en) | Portable type splicing metal bellow | |
CN113006143B (en) | Suspension tunnel tube joint structure | |
CN205477650U (en) | Section of jurisdiction structure with pre -buried installation sleeve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |