CN106838463A - The fastener inserts and usage of longitudinal integral rigidity after raising rectangular top plumber - Google Patents
The fastener inserts and usage of longitudinal integral rigidity after raising rectangular top plumber Download PDFInfo
- Publication number
- CN106838463A CN106838463A CN201710127911.4A CN201710127911A CN106838463A CN 106838463 A CN106838463 A CN 106838463A CN 201710127911 A CN201710127911 A CN 201710127911A CN 106838463 A CN106838463 A CN 106838463A
- Authority
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- China
- Prior art keywords
- pipe
- rectangular top
- tube coupling
- madjack
- tube
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Links
- 230000008878 coupling Effects 0.000 claims abstract description 67
- 238000010168 coupling process Methods 0.000 claims abstract description 67
- 238000005859 coupling reaction Methods 0.000 claims abstract description 67
- 239000011148 porous material Substances 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 13
- 238000007569 slipcasting Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 claims description 3
- 231100000241 scar Toxicity 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001921 mouthing effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000004064 recycling 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
Abstract
The invention discloses a kind of fastener inserts of longitudinal integral rigidity after raising rectangular top plumber, including madjack pipe, each described madjack pipe is connected by connecting tube with prestressed pore passage, the embedded along its length pipeline in rectangular top pipe tube wall of the prestressed pore passage, described prestressed pore passage one end is small positioning tenon, the other end is big positioning tenon, the small positioning tenon stretches out more than the tube coupling end 40mm of rectangular top pipe, hold level with both hands together with the tube coupling of rectangular top pipe the big positioning tenon end, the external diameter of the internal diameter slightly larger than small positioning tenon of the big positioning tenon, dismountable slip casting pipe-in-pipe is installed in the pipeline that the madjack pipe is connected with outer wall, the slip casting pipe-in-pipe can seal the opening of external wall of madjack pipe, retain the path between the interior wall opening and connecting tube of madjack pipe.The method can significantly improve the generally longitudinally rigidity of tube coupling after construction, device simple structure is constructed workable.
Description
Technical field
The present invention relates to the fastener inserts and usage of longitudinal integral rigidity after a kind of raising rectangular top plumber, belong to underground knot
Structure Construction Technology field.
Background technology
Rectangular top pipe is a kind of no-excavation construction method gradually grown up on the basis of circular push pipe, and it is not
In the case of excavating earth surface, push-bench and tube coupling to be laid are pushed up section by section in underground from active well is originated using hydraulic jack
Enter, until the non-excavating underground pipe line cable laying operation technique of received well.Compared with circular cross section, the effective of rectangular top pipe uses face
Product can not only increase more than 20%, and more convenient to the planning utilization of channel space, can also reduce the underground driving earthwork
Amount, has a wide range of applications in the municipal works of China at present.When being constructed using rectangular top tube method at present, armored concrete top
The main interface by socket type or mouthing is connected between pipe tube coupling, that is to say, that is used and is connected without the connecting forces scope of freedom
Connect mode.Therefore whole tube couplings may be made after the completion of underground connects due to neighbouring Underground Construction or surface load
With causing stratum where tube coupling to disturb, make to produce between adjacent tube coupling loosening and occurring to be oozed, drainage, can be led when serious
The changing of the relative positions even disconnects between causing tube coupling, influences the normal of built underpass to use.
Retrieved through to existing technical literature, Chinese patent application publication No.：The A of CN 102494188, publication date：
2012.6.13, describe a kind of " prestressing apparatus and its construction method of rectangle pipe jacking tube coupling ", the invention device include with
Each one-to-one built-in fitting of rectangle tube coupling, Pre-stressed pole, connector, prestressing nut, built-in fitting are fixed on correspondence rectangle
On tube coupling, its rear and front end is respectively fixed with a dismountable fixed block, is equipped with what is passed through for Pre-stressed pole on each fixed block
Through hole, the pole face of Pre-stressed pole is provided with external screw thread, and its shaft passes through the through hole of each fixed block of this group, its front end and this group of connector
Rear end connection.The invention solves the technical problem that joint portion can loosen after tube coupling top power is cancelled, but is only applicable to raising office
Coupling stiffness between the adjacent tube coupling in portion, it is impossible to solve all tube coupling integral rigidities reduction problem caused by external force.
The content of the invention
The technical problems to be solved by the invention are the defects for overcoming prior art, there is provided after one kind improves rectangular top plumber
The fastener inserts of longitudinal integral rigidity, device simple structure is constructed workable；Further, there is provided one kind improves rectangle
The method of longitudinal integral rigidity after push pipe work, can improve after construction tube coupling generally longitudinally rigidity.
In order to solve the above technical problems, the present invention provides pre-buried group of longitudinal integral rigidity after a kind of raising rectangular top plumber
Part, including madjack pipe, the madjack pipe are uniform arrangement and through the steel pipe of rectangular top pipe tube wall, and each described madjack pipe passes through
Connecting tube is connected with prestressed pore passage, the embedded along its length pipeline in rectangular top pipe tube wall of the prestressed pore passage, institute
Prestressed pore passage one end is stated for small positioning tenon, the other end is big positioning tenon, the small positioning tenon stretches out rectangular top pipe
More than tube coupling end 40mm, the big positioning tenon end is held level with both hands together with the tube coupling of rectangular top pipe, the internal diameter of the big positioning tenon
Slightly larger than the external diameter of small positioning tenon, dismountable slip casting pipe-in-pipe is installed in the pipeline that the madjack pipe is connected with outer wall,
The slip casting pipe-in-pipe can seal the opening of external wall of madjack pipe, logical between the interior wall opening and connecting tube of reservation madjack pipe
Road.
The prestressed pore passage is arranged in the both sides of madjack pipe, i.e., each madjack pipe in advance should by two connecting tubes with two
Power duct is connected.
The slip casting pipe-in-pipe is the hollow tube of one end open one end sealing, interior wall opening of the openend towards Grouting Pipe
End, sealed end is provided with the through hole being connected with connecting tube towards the opening of external wall end of Grouting Pipe, and on the side wall of the sealed end.
The madjack pipe is steel pipe, and bottom embeds one section of threaded steel pipe.
Anchor plate is embedded with the prestressed pore passage end of the head and the tail tube coupling of the rectangular top pipe, the anchor plate passes through spiral shell
Line muscle is firmly connected with tube wall, and the through hole passed through for steel strand wires is provided with the anchor plate.
Intermediate plate is also equipped with anchor plate, the intermediate plate is the packing ring that can be inserted into gap between anchor plate and steel strand wires.
The usage of the fastener inserts of longitudinal integral rigidity, comprises the following steps after raising rectangular top plumber：
The first step：During the tube coupling of prefabrication rectangular top pipe, steel reinforcement cage link is being made, the fastener inserts that will be welded to connect are consolidated
The setting position in steel reinforcement cage is scheduled on, the two ends of madjack pipe are covered temporarily, it is pre-buried in head and the tail tube coupling top board and base plate one end
Enter anchor plate, then casting concrete completes all tube couplings making；
Second step：The tube coupling of rectangular top pipe is transported to engineering site, and concrete mortar cleaning in each tube coupling prestressed pore passage is dry
Only, the large and small positioning tenon at the prestressed pore passage two ends being embedded in every section tube coupling by the first step between adjacent tube coupling is aligned
Insertion is attached, and in jack-in process, while opening the interim capping of injected hole, note is connected by the inwall openend of madjack pipe
Slurries realize synchronous grouting, complete all tube coupling connection constructions；
3rd step：In certain one end of head and the tail tube coupling, steel strand wires are manually penetrated by prestressed pore passage, steel strand wires run through all pipes
Section, then clamps steel strand wires in the prestressed pore passage end of head and the tail tube coupling by anchorage；
4th step：After inspection ensures that anchorage does not have crackle, scar, corrosion, demarcate between prestressing force pull-up values and pressure gauge
Dependency relation, then uses the jack for being arranged on head and the tail tube coupling one end in symmetrical, the uniform tensioning per a branch of steel strand wires head and the tail two ends,
To being anchored after setting value, top unloading is moved back in slow oil return, and whole machine resets carries out next Shu Zhangla, until all steel strand wires for tensioning
Tensioning is finished；
5th step：After tensioning is finished, and mud jacking sleeve pipe is loaded into madjack pipe, cement mortar is pressed into by mud jacking sleeve pipe.
The beneficial effect that the present invention is reached：
(1) clearly, be fixed on steel strand wires in prestressed pore passage by cement mortar by device power transmission, and the steel strand wires of tensioning are by rectangle
Generally longitudinally rigidity after push pipe connection is improved, and reduces in each tube coupling sedimentation period after construction of rectangular top pipe that dislocation occurs is de-
The situation of section, and then prevent from connecing place's mouth leakage.
(2) by increasing slip casting of the slip casting pipe-in-pipe realization by original Grouting Pipe to prestressed pore passage, will be to antifriction
Injected hole realizes recycling, reduces construction work amount, and device simple structure is constructed workable.
Therefore, a kind of fastener inserts and usage for improving longitudinal integral rigidity after rectangular top plumber provided by the present invention,
Tube coupling generally longitudinally rigidity after construction can be significantly improved, device simple structure is constructed workable.
Brief description of the drawings
Fig. 1 is head and the tail tube coupling end elevation of the invention；
Fig. 2 is the A-A profiles of Fig. 1；
Fig. 3 is the schematic diagram of pre-buried tube assembly in the present invention；
Fig. 4 is the structure chart of slip casting pipe-in-pipe in the present invention；
Fig. 5 is the B-B profiles of Fig. 1；
Fig. 6 is the schematic diagram of anchor plate in the present invention；
Fig. 7 is the schematic diagram of twisted steel in the present invention；
Fig. 8 is earth's surface axis sedimentation variation diagram of the present invention after certain engineering construction.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
The fastener inserts of longitudinal integral rigidity after a kind of work of raising rectangular top pipe 1 as shown in Figures 1 to 3, including madjack pipe
2, for uniform arrangement and through the steel pipe of the tube wall of rectangular top pipe 1, each described madjack pipe 2 is by two connections for the madjack pipe 2
Pipe 3 is connected with the prestressed pore passage 4 of both sides, in the prestressed pore passage 4 is buried in the tube wall of rectangular top pipe 1 along its length
Footpath is the steel pipe of 60mm, and the one end of the prestressed pore passage 4 is the small positioning tenons of internal diameter 60mm, and the other end is big fixed for internal diameter 70mm's
Position tenon, the small positioning tenon stretches out the tube coupling end 50mm of rectangular top pipe 1, the big positioning tenon end and rectangular top pipe 1
Tube coupling hold level with both hands together, it is described it is big positioning tenon length be 120mm, be provided with the pipeline that the madjack pipe 2 is connected with outer wall
Dismountable slip casting pipe-in-pipe 5.As shown in figure 4, the slip casting pipe-in-pipe 5 is the hollow tube of one end open one end sealing, opening
Towards the inwall openend of Grouting Pipe, sealed end sets towards the opening of external wall end of Grouting Pipe on the side wall of the sealed end at end
It is equipped with the through hole being connected with connecting tube 3.
The madjack pipe 2 is steel pipe, and bottom embeds one section of threaded steel pipe 6.
Anchor plate 7 is embedded with the end of prestressed pore passage 4 of the head and the tail tube coupling of the rectangular top pipe 1 as shown in Figs. 5 to 7,
The anchor plate 7 is firmly connected by twisted steel 10 with tube wall, and the through hole passed through for steel strand wires 9 is provided with the anchor plate 7.
Intermediate plate 8 is also equipped with anchor plate 7, the intermediate plate 8 is the pad in pluggable gap between anchor plate 7 and steel strand wires 9
Circle.
Prestressing force pull system includes steel strand wires 9, intermediate plate 8 and jack；The steel strand wires 9 are passed through by prestressed pore passage 4
All tube couplings are worn, is anchored by anchor plate 7 at head and the tail tube coupling end；The intermediate plate 8 is connected on anchor plate 7 through steel strand wires 9；
The jack is arranged on one end of head and the tail tube coupling, for tension steel strand 9.
The usage of the fastener inserts of longitudinal integral rigidity, comprises the following steps after the raising work of rectangular top pipe 1：
The first step：During the tube coupling of prefabrication rectangular top pipe 1, steel reinforcement cage link, the fastener inserts that will be welded to connect are being made
The setting position in steel reinforcement cage is fixed on, the two ends of madjack pipe 2 are covered temporarily, it is pre- in head and the tail tube coupling top board and base plate one end
Embedment anchor plate 7, the then all tube couplings making of casting concrete completion；
Second step：The tube coupling of rectangular top pipe 1 is transported to engineering site, and concrete mortar in each tube coupling prestressed pore passage 4 is cleared up
Totally, the large and small positioning tenon pair at the two ends of prestressed pore passage 4 in every section tube coupling is embedded between adjacent tube coupling by the first step
Quasi- insertion is attached, and in jack-in process, while opening the interim capping of injected hole, is connected by the threaded steel pipe in madjack pipe 2
Slip casting liquid pipe is connect, synchronous grouting is realized, all tube coupling connection constructions are completed；
3rd step：In certain one end of head and the tail tube coupling, steel strand wires 9 are manually penetrated by prestressed pore passage 4, steel strand wires 9 are through all
Tube coupling, then installs anchorage and intermediate plate 8 on anchor plate 7, then using diameter and the external diameter diameter identical steel pipe of intermediate plate 8 by intermediate plate
8 smash tight；
4th step：After inspection ensures that anchorage does not have crackle, scar, corrosion, demarcate between prestressing force pull-up values and pressure gauge
Dependency relation, is then opened with the jack for being arranged on head and the tail tube coupling one end symmetrical per the head and the tail two ends of a branch of steel strand wires 9, uniform
Draw, anchored after tensioning to setting value, top unloading is moved back in slow oil return, and whole machine resets carries out next Shu Zhangla, until all steel
The tensioning of twisted wire 9 is finished；
5th step：After tensioning is finished, and mud jacking sleeve pipe is loaded into madjack pipe 2, cement mortar is pressed into by mud jacking sleeve pipe.
Fig. 8 gives certain underpass in earth's surface axis settlement observation curve not in the same time, as seen from the figure in tube coupling
One week after installing, ground settlement trend did not restrain, and was continuing to increase；Using the technical measures in the present invention to all
After tube coupling carries out integral tension, due to the raising of passage integral rigidity, the ground settlement for measuring occurs in that the trend of Fast Convergent.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of fastener inserts for improving longitudinal integral rigidity after rectangular top plumber, it is characterised in that including madjack pipe, the pressure
In the uniform arrangement of slurry pipe and the tube wall of rectangular top pipe and run through rectangular top pipe inside and outside wall, each described madjack pipe by connecting tube and
Prestressed pore passage is connected, the embedded along its length pipeline in rectangular top pipe tube wall of the prestressed pore passage, the prestressing force
Duct one end is small positioning tenon, and the other end is big positioning tenon, and the small positioning tenon stretches out the tube coupling end of rectangular top pipe
More than 40mm, the big positioning tenon end is held level with both hands together with the tube coupling of rectangular top pipe, and the internal diameter of the big positioning tenon is slightly larger than
The external diameter of small positioning tenon, is provided with dismountable slip casting pipe-in-pipe, the note in the pipeline that the madjack pipe is connected with outer wall
Slurry pipe-in-pipe can seal the opening of external wall of madjack pipe, retain the path between the interior wall opening and connecting tube of madjack pipe.
2. fastener inserts for improving longitudinal integral rigidity after rectangular top plumber according to claim 1, it is characterised in that institute
The both sides that prestressed pore passage is arranged in madjack pipe, i.e. each madjack pipe is stated to be connected with two prestressed pore passages by two connecting tubes
Connect.
3. fastener inserts for improving longitudinal integral rigidity after rectangular top plumber according to claim 1, it is characterised in that institute
It is the hollow tube of one end open one end sealing to state slip casting pipe-in-pipe, and openend is towards the inwall openend of Grouting Pipe, sealed end court
The through hole being connected with connecting tube is provided with to the opening of external wall end of Grouting Pipe, and on the side wall of the sealed end.
4. fastener inserts for improving longitudinal integral rigidity after rectangular top plumber according to claim 1, it is characterised in that institute
Madjack pipe is stated for steel pipe, bottom embeds one section of threaded steel pipe.
5. fastener inserts for improving longitudinal integral rigidity after rectangular top plumber according to claim 1, it is characterised in that
The prestressed pore passage end of the head and the tail tube coupling of the rectangular top pipe is embedded with anchor plate, and the anchor plate passes through twisted steel and tube wall
Firmly connection, is provided with the through hole passed through for steel strand wires on the anchor plate.
6. fastener inserts for improving longitudinal integral rigidity after rectangular top plumber according to claim 5, it is characterised in that anchor
Intermediate plate is also equipped with backing plate, the intermediate plate is the packing ring that can be inserted into gap between anchor plate and steel strand wires.
7. the usage for improving the fastener inserts of longitudinal integral rigidity after rectangular top plumber according to claim 1, its feature
It is to comprise the following steps：
The first step：During the tube coupling of prefabrication rectangular top pipe, steel reinforcement cage link is being made, the fastener inserts that will be welded to connect are consolidated
The setting position in steel reinforcement cage is scheduled on, the two ends of madjack pipe are covered temporarily, it is pre-buried in head and the tail tube coupling top board and base plate one end
Enter anchor plate, then casting concrete completes all tube couplings making；
Second step：The tube coupling of rectangular top pipe is transported to engineering site, and concrete mortar cleaning in each tube coupling prestressed pore passage is dry
Only, the large and small positioning tenon at the prestressed pore passage two ends being embedded in every section tube coupling by the first step between adjacent tube coupling is aligned
Insertion is attached, and in jack-in process, while opening the interim capping of injected hole, note is connected by the inwall openend of madjack pipe
Slurries realize synchronous grouting, complete all tube coupling connection constructions；
3rd step：In certain one end of head and the tail tube coupling, steel strand wires are manually penetrated by prestressed pore passage, steel strand wires run through all pipes
Section, then clamps steel strand wires in the prestressed pore passage end of head and the tail tube coupling by anchorage；
4th step：After inspection ensures that anchorage does not have crackle, scar, corrosion, demarcate between prestressing force pull-up values and pressure gauge
Dependency relation, then uses the jack for being arranged on head and the tail tube coupling one end in symmetrical, the uniform tensioning per a branch of steel strand wires head and the tail two ends,
To being anchored after setting value, top unloading is moved back in slow oil return, and whole machine resets carries out next Shu Zhangla, until all steel strand wires for tensioning
Tensioning is finished；
5th step：After tensioning is finished, and mud jacking sleeve pipe is loaded into madjack pipe, cement mortar is pressed into by mud jacking sleeve pipe.
8. the usage for improving the fastener inserts of longitudinal integral rigidity after rectangular top plumber according to claim 7, its feature
It is that the anchorage includes anchor plate and intermediate plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127911.4A CN106838463B (en) | 2017-03-06 | 2017-03-06 | The fastener inserts and usage of longitudinal overall stiffness after raising rectangular top plumber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127911.4A CN106838463B (en) | 2017-03-06 | 2017-03-06 | The fastener inserts and usage of longitudinal overall stiffness after raising rectangular top plumber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106838463A true CN106838463A (en) | 2017-06-13 |
| CN106838463B CN106838463B (en) | 2018-11-06 |
Family
ID=59137975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710127911.4A Expired - Fee Related CN106838463B (en) | 2017-03-06 | 2017-03-06 | The fastener inserts and usage of longitudinal overall stiffness after raising rectangular top plumber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838463B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514513A (en) * | 2017-09-06 | 2017-12-26 | 纪传森 | Armored concrete prefabricated rectangle pressure pipe |
| CN109519175A (en) * | 2018-12-30 | 2019-03-26 | 浙江工业大学 | A kind of rectangular top pipe and its construction method |
| CN111206618A (en) * | 2019-12-28 | 2020-05-29 | 广州市市政集团有限公司 | Prefabricated rectangular jacking pipe and construction method thereof |
| CN112727489A (en) * | 2021-02-02 | 2021-04-30 | 中山大学河南研究院 | Pipe jacking grouting construction method and pipe jacking assembly |
| CN112727489B (en) * | 2021-02-02 | 2024-04-19 | 中山大学河南研究院 | Jacking pipe grouting construction method and jacking pipe assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749486B (en) * | 2008-12-22 | 2012-04-25 | 上海广联建设发展有限公司 | Underground pipeline excavated pipe joint prestress connecting method |
| JP2012107469A (en) * | 2010-11-19 | 2012-06-07 | Tokyo Electric Power Co Inc:The | Joint opening dimension restriction device and joint opening dimension restriction method |
| CN102494188A (en) * | 2011-12-06 | 2012-06-13 | 上海广联建设发展有限公司 | Pre-stressing device for rectangular pipe jacking pipe joints and construction method thereof |
| JP2014070479A (en) * | 2012-10-02 | 2014-04-21 | Wings Co Ltd | Internal pushing collecting pipe, internal pushing device, and internal pushing method |
| CN104632234A (en) * | 2014-12-26 | 2015-05-20 | 中铁二局股份有限公司 | Rectangular pipe jacking construction method for multi-pipe-spacing cross section |
| CN104976424A (en) * | 2015-05-15 | 2015-10-14 | 中铁二局股份有限公司 | Anchor cable construction method for rectangular top pipe joint connecting and strengthening |
-
2017
- 2017-03-06 CN CN201710127911.4A patent/CN106838463B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749486B (en) * | 2008-12-22 | 2012-04-25 | 上海广联建设发展有限公司 | Underground pipeline excavated pipe joint prestress connecting method |
| JP2012107469A (en) * | 2010-11-19 | 2012-06-07 | Tokyo Electric Power Co Inc:The | Joint opening dimension restriction device and joint opening dimension restriction method |
| CN102494188A (en) * | 2011-12-06 | 2012-06-13 | 上海广联建设发展有限公司 | Pre-stressing device for rectangular pipe jacking pipe joints and construction method thereof |
| JP2014070479A (en) * | 2012-10-02 | 2014-04-21 | Wings Co Ltd | Internal pushing collecting pipe, internal pushing device, and internal pushing method |
| CN104632234A (en) * | 2014-12-26 | 2015-05-20 | 中铁二局股份有限公司 | Rectangular pipe jacking construction method for multi-pipe-spacing cross section |
| CN104976424A (en) * | 2015-05-15 | 2015-10-14 | 中铁二局股份有限公司 | Anchor cable construction method for rectangular top pipe joint connecting and strengthening |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514513A (en) * | 2017-09-06 | 2017-12-26 | 纪传森 | Armored concrete prefabricated rectangle pressure pipe |
| CN109519175A (en) * | 2018-12-30 | 2019-03-26 | 浙江工业大学 | A kind of rectangular top pipe and its construction method |
| CN111206618A (en) * | 2019-12-28 | 2020-05-29 | 广州市市政集团有限公司 | Prefabricated rectangular jacking pipe and construction method thereof |
| CN112727489A (en) * | 2021-02-02 | 2021-04-30 | 中山大学河南研究院 | Pipe jacking grouting construction method and pipe jacking assembly |
| CN112727489B (en) * | 2021-02-02 | 2024-04-19 | 中山大学河南研究院 | Jacking pipe grouting construction method and jacking pipe assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106838463B (en) | 2018-11-06 |
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