CN114658921A - Pipe jacking pipeline reinforcing construction method - Google Patents
Pipe jacking pipeline reinforcing construction method Download PDFInfo
- Publication number
- CN114658921A CN114658921A CN202210188010.7A CN202210188010A CN114658921A CN 114658921 A CN114658921 A CN 114658921A CN 202210188010 A CN202210188010 A CN 202210188010A CN 114658921 A CN114658921 A CN 114658921A
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- pipe
- jacking
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- plates
- construction method
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
- F16L1/06—Accessories therefor, e.g. anchors
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- 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
- F16L1/06—Accessories therefor, e.g. anchors
- F16L1/11—Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground
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- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Abstract
The invention provides a pipe jacking pipeline reinforcing construction method, which comprises the following steps: step S1, fixing the jacking equipment at the deformation position of the target pipe joint; step S2, starting the jacking equipment to enable the jacking equipment to extrude the deformed part along the radial direction of the target pipe joint, and correcting the target pipe joint; step S3, arranging an annular supporting plate at one end of the inner wall of the target pipe joint, and removing the jacking equipment after the supporting plate is fixed; step S4, arranging a plurality of ribbed plates on one side of the supporting plate corresponding to the area to be reinforced, and arranging another supporting plate on the other end of each ribbed plate; and step S5, repeating the construction of the ribbed plates and the supporting plates at least once to reinforce the target pipe joint. Jacking equipment corrects the deformation, reinforces after correcting the target pipe joint, realizes the support of multi-angle through backup pad and floor, guarantees that follow-up jacking can not produce secondary deformation in the work progress, and construction method is simple reliable, can correct fast and resume the push pipe construction to construction quality and progress.
Description
Technical Field
The invention belongs to the technical field of pipe jacking construction, and particularly relates to a pipe jacking pipeline reinforcing construction method.
Background
At present, pipe-jacking construction is mostly adopted for pipeline laying, and the pipe-jacking construction is a non-excavation construction method and is a pipeline burying construction technology without excavation or with less excavation. The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by the jacking equipment in a working pit, the pipeline is jacked into the soil according to the designed gradient, and the earthwork is transported away. After one section of pipe is pushed into the soil layer, the second section of pipe is pushed into the soil layer continuously. The principle is that by means of the thrust of the main top oil cylinder, the pipeline and the relay, the tool pipe or the development machine is pushed into the receiving pit from the working pit through the soil layer and is lifted. The pipeline is buried between the two pits after following the tool pipe or the heading machine. In the process of pipe jacking construction, the pipe jacking is easily deformed under the influence of jacking thrust of the main jacking oil cylinder, and the quality and progress of pipe jacking construction are influenced if the deformation is not solved in time.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a pipe jacking pipeline reinforcing construction method.
In order to achieve the above purpose, the invention provides the following technical scheme:
a pipe-jacking pipeline reinforcing construction method comprises the following steps:
step S1, fixing the jacking equipment at the deformed part of the target pipe joint;
step S2, starting the jacking equipment to enable the jacking equipment to extrude the deformed part along the radial direction of the target pipe joint, and correcting the target pipe joint;
step S3, arranging an annular supporting plate at one end of the inner wall of the target pipe joint, and removing the jacking equipment after the supporting plate is fixed;
step S4, arranging a plurality of ribbed plates on one side of the supporting plate corresponding to the area to be reinforced, and arranging another supporting plate on the other end of each ribbed plate;
and step S5, repeating the construction of the ribbed plates and the supporting plates at least once to reinforce the target pipe joint.
Preferably, the supporting plate is formed by splicing an upper plate body and a lower plate body, wherein the upper plate body and the lower plate body correspond to the upper part and the lower part of the target pipe body respectively.
Preferably, the inner sides of the upper plate body and the lower plate body are provided with arc-shaped inner supporting plates to connect the upper plate body and the lower plate body.
Preferably, the number of the rib plates between any two adjacent support plates is the same, and the rib plates are overlapped with each other on the axial projection of the target pipe joint.
Preferably, the ribs comprise an upper rib and a lower rib; the upper rib plates are uniformly distributed at the upper part of the target pipe joint, the lower rib plates are uniformly distributed at the lower part of the target pipe joint, and the distance between the upper rib plates is smaller than that between the lower rib plates.
Preferably, the entire section of the target pipe section is reinforced, and the ends of the previous pipe section and the next pipe section close to the target pipe section are reinforced.
Preferably, rib plates are arranged on the outer sides of the supporting plates at two ends of the reinforcing area, and the rib plates correspond to the rib plates.
Preferably, the jacking equipment is a jack, two ends of the jack are provided with backing plates corresponding to the inner wall of the target pipe joint, and the backing plates are provided with arc surfaces corresponding to the inner wall of the target pipe joint.
Preferably, the angle of the arc surface corresponding to the backing plate is not less than 90 °.
Preferably, the inside ventilation equipment that is equipped with of target tube coupling, ventilation equipment includes air-supply line and air-out pipe, in the air-supply line extended to the next tube coupling of target tube coupling, in the air-out pipe extended to the previous tube coupling of target tube coupling, be equipped with the shutoff in the next tube coupling of target tube coupling.
Has the advantages that: jacking equipment extrusion is corrected the deformation department of target pipe joint, can make the push pipe resume the shape to avoid promoting to produce the influence to the push pipe in follow-up jacking process, consolidate after correcting target pipe joint, realize the support of multi-angle through backup pad and floor, guarantee follow-up jacking work progress can not produce secondary deformation, construction method is simple reliable, can correct fast and resume the push pipe construction, thereby construction quality and progress.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a schematic view of the distribution of ventilation equipment in an embodiment of the present invention;
FIG. 2 is a schematic view of a reinforcement structure in an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a reinforcing structure in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural view of a support plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of the distribution of ribs in an embodiment of the present invention.
In the figure: 1. a target pipe joint; 2. an air outlet pipe; 3. an air inlet pipe; 4. plugging; 5. a support plate; 6. a rib plate; 7. an upper rib plate; 8. a lower rib plate; 9. and an inner supporting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1-5, a pipe-jacking pipe reinforcement construction method includes: step S1, fixing the jacking equipment at the deformed part of the target pipe joint 1; step S2, starting the jacking equipment to enable the jacking equipment to extrude and deform the target pipe joint 1 along the radial direction, and correcting the target pipe joint 1; step S3, arranging an annular supporting plate 5 at one end of the inner wall of the target pipe joint 1, and removing jacking equipment after the supporting plate 5 is fixed; step S4, arranging a plurality of ribbed plates on one side of the supporting plate 5 corresponding to the area to be reinforced, and arranging another supporting plate 5 on the other end of each ribbed plate; and step S5, repeating the construction of the rib plates and the supporting plates 5 at least once to reinforce the target pipe joint 1. The reinforcement construction is divided into two stages, wherein the first stage corrects the deformed position; in the construction method, jacking equipment extrudes to correct the deformation position of the target pipe joint 1, so that the shape of a jacking pipe can be restored, the influence on jacking pipe propulsion in the subsequent jacking process is avoided, multi-angle support and reinforcement are realized through the support plate 5 and the ribbed plates, and secondary deformation is avoided in the subsequent jacking construction process;
the reinforcing area is extended by repeating the construction of the primary rib plate and the support plate 5, the number of the rib plates can be increased or decreased according to the length of the area to be reinforced, and the reinforcing method can be applied to areas to be reinforced with different lengths without increasing the length of the rib plates (the reinforcing strength is weakened due to the increase of the length of the rib plates).
In another alternative embodiment, the support plate 5 is formed by splicing an upper plate body and a lower plate body, wherein the upper plate body and the lower plate body correspond to the upper portion and the lower portion of the target pipe body, respectively. The periphery of backup pad 5 and the inner wall looks adaptation of target tube coupling 1, go up the plate body and be the halving piece of backup pad 5 with lower plate body, through the annular backup pad 5 that the concatenation of last plate body and lower plate body is constituteed, be convenient for transport inside the pipeline, reduce the installation degree of difficulty.
In another optional embodiment, be equipped with curved interior shoe 9 at the inboard of last plate body and lower plate body to connect the upper plate body and lower plate body, the width of interior shoe 9 is 50mm, thickness is 20mm, specific length sets up according to actual need, preferably, the length of interior shoe 9 is the same with the internal diameter of backup pad 5, backup pad 5 includes the two parts of equalling, two interior shoes 9 are located the both ends of last plate body and lower plate body respectively, strengthen the junction of last plate body and lower plate body, the bisector of interior shoe 9 and backup pad 5 is crisscross each other, thereby the intensity of backup pad 5 has been guaranteed, can support in the circumference of target coupling 1.
In another alternative embodiment, the number of the ribs between any two adjacent supporting plates 5 is the same, and the ribs are overlapped with each other on the axial projection of the target pipe joint 1, specifically, the gap between two corresponding ribs is not more than 2 mm.
In another alternative embodiment, the support plate 5 has a thickness of 20mm, a width of 150mm and an outer diameter of 1601mm, and the support plate 5 is fixed on the inner wall of the pipe joint, which is a steel pipe in this application, by welding.
In another alternative embodiment, the ribs include an upper rib 7 and a lower rib 8; a plurality of upper ribbed plate 7 are evenly distributed on the upper part of the target pipe joint 1, a plurality of lower ribbed plate 8 are evenly distributed on the lower part of the target pipe joint 1, wherein the distance between the upper ribbed plates 7 is smaller than the distance between the lower ribbed plates 8. Specifically, the length of the lower rib plate 8 is 1480mm, the thickness is 20mm, the width is 150mm, and the distance between the lower rib plate and the lower rib plate is 105 mm; the upper rib 7 has a length 1480mm, a thickness of 20mm, a width of 100mm and a spacing of 310 mm. According to the stress characteristic of the pipe joint, the distance between the upper rib plate 7 and the lower rib plate 8 is adjusted, and the construction workload is reduced as much as possible on the premise that the supporting strength is met.
In another alternative embodiment, the upper ribs are equally spaced from one another and the lower ribs are equally spaced from one another, wherein the spacing between the upper ribs is equal to the spacing between the lower ribs.
In another alternative embodiment, the entire section of the target pipe section 1 is reinforced, and the ends of the previous and subsequent pipe sections adjacent to the target pipe section 1 are reinforced. In the former pipe joint and the latter pipe joint, the reinforced length is not less than 750mm, so that the reinforced range is in staggered lap joint with the adjacent pipe joint of the target pipe joint 1, and the construction quality is ensured.
In another alternative embodiment, rib plates 6 are arranged on the outer sides of the supporting plates 5 at the two ends of the reinforcing area, and the rib plates 6 correspond to the rib plates. The gusset 6 can be rectangle or class trilateral, can support outside backup pad 5, avoids outside backup pad 5 atress to take place to lean out, improves and consolidates the effect.
In another alternative embodiment, the support plate 5, the inner brace plate 9 and the rib plate are all fixed by double-sided full weld.
In another alternative embodiment, the jacking equipment is a jack, and the two ends of the jack are provided with backing plates corresponding to the inner wall of the target pipe joint 1, and the backing plates are provided with arc surfaces corresponding to the inner wall of the target pipe joint 1.
Through the arc surface with jacking force homodisperse at the pipe wall, prevent that cold straightening in-process tube coupling from taking place deformation, increase and decrease jack quantity according to the length of deformation department, it is specific, the jack interval is according to 1m setting, and the jack is 50t jack, and the backing plate is 1m at the length of tube coupling length direction.
In this embodiment, the angle of the arc surface corresponding to the backing plate is not less than 90 °.
In another embodiment, the backing plate is the arc, has three roof along its radial extension at the inboard evenly distributed of backing plate, and three roof intersects on same layer board in the centre of a circle department of the circular arc that the backing plate corresponds, and the jack corresponds the top on the layer board, and three roof is trilateral structure with the backing plate, has stronger stability, can be with the jacking force evenly distributed of jack and the inner wall of tube coupling simultaneously.
In another embodiment, the backing plate is an arc-shaped plate, the tile-shaped plate opposite to the arc-shaped plate is arranged on the inner side of the backing plate, and two sides of the tile-shaped plate are welded on the inner side of the backing plate, so that the jacking force of the jack can be uniformly distributed on the inner wall of the pipe section.
In another alternative embodiment, a ventilation device is arranged inside the target pipe section 1, the ventilation device comprises an air inlet pipe 3 and an air outlet pipe 2, the air inlet pipe 3 extends into the next pipe section of the target pipe section 1, the air outlet pipe 2 extends into the previous pipe section of the target pipe section 1, and a plug 4 is arranged in the next pipe section of the target pipe section 1.
The air inlet pipe 3 and the air outlet pipe 2 are respectively connected to a fan so as to enable air circulation to be formed inside the pipe joint, ensure air circulation and ensure the oxygen content of the air inside; the plug 4 may be a thin film plug. It should be understood that the above description is exemplary only and that the embodiments of the present application are not intended to be limiting.
The above description is only exemplary of the invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the invention is intended to be covered by the appended claims.
Claims (10)
1. A pipe-jacking pipeline reinforcing construction method is characterized by comprising the following steps:
step S1, fixing the jacking equipment at the deformed part of the target pipe joint;
step S2, starting the jacking equipment to enable the jacking equipment to extrude the deformed part along the radial direction of the target pipe joint, and correcting the target pipe joint;
step S3, arranging an annular supporting plate at one end of the inner wall of the target pipe joint, and removing the jacking equipment after the supporting plate is fixed;
step S4, arranging a plurality of ribbed plates on one side of the supporting plate corresponding to the area to be reinforced, and arranging another supporting plate on the other end of each ribbed plate;
and step S5, repeating the construction of the ribbed plates and the supporting plates at least once to reinforce the target pipe joint.
2. The pipe-jacking pipe reinforcement construction method according to claim 1, wherein the support plate is formed by splicing an upper plate body and a lower plate body, wherein the upper plate body and the lower plate body correspond to the upper part and the lower part of the target pipe body respectively.
3. The pipe-jacking pipe reinforcement construction method according to claim 2, wherein arc-shaped inner supporting plates are arranged on the inner sides of the upper plate body and the lower plate body to connect the upper plate body and the lower plate body.
4. The pipe-jacking pipe reinforcement construction method according to claim 1, wherein the number of the rib plates between any two adjacent support plates is the same, and the rib plates are overlapped with each other in the axial projection of the target pipe joint.
5. The pipe-jacking pipe reinforcement construction method according to claim 4, wherein the rib plates include upper rib plates and lower rib plates; the upper rib plates are uniformly distributed at the upper part of the target pipe joint, the lower rib plates are uniformly distributed at the lower part of the target pipe joint, and the distance between the upper rib plates is smaller than that between the lower rib plates.
6. The pipe-jacking pipe reinforcement construction method according to claim 1, wherein the reinforcement is performed on the whole section of the target pipe section, and the reinforcement is performed on the ends of the previous pipe section and the subsequent pipe section, which are close to the target pipe section.
7. The pipe-jacking pipe reinforcement construction method according to claim 1, wherein rib plates are arranged on the outer sides of the support plates at two ends of a reinforcement area, and the rib plates correspond to the rib plates.
8. The pipe-jacking pipe reinforcement construction method according to claim 1, wherein the jacking equipment is a jack, and base plates corresponding to the inner wall of the target pipe joint are arranged at two ends of the jack and have circular arc surfaces corresponding to the inner wall of the target pipe joint.
9. The pipe-jacking pipe reinforcement construction method according to claim 8, wherein the angle of the arc surface corresponding to the pad plate is not less than 90 °.
10. The pipe-jacking pipe reinforcement construction method according to claim 1, wherein a ventilation device is arranged inside the target pipe section, the ventilation device comprises an air inlet pipe and an air outlet pipe, the air inlet pipe extends into the next pipe section of the target pipe section, the air outlet pipe extends into the previous pipe section of the target pipe section, and a plug is arranged in the next pipe section of the target pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210188010.7A CN114658921B (en) | 2022-02-28 | 2022-02-28 | Pipe-jacking pipeline reinforcement construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210188010.7A CN114658921B (en) | 2022-02-28 | 2022-02-28 | Pipe-jacking pipeline reinforcement construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114658921A true CN114658921A (en) | 2022-06-24 |
| CN114658921B CN114658921B (en) | 2023-10-27 |
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| CN202210188010.7A Active CN114658921B (en) | 2022-02-28 | 2022-02-28 | Pipe-jacking pipeline reinforcement construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201212601Y (en) * | 2008-07-12 | 2009-03-25 | 中冶京唐建设有限公司 | Temporary support in pipe of large diameter |
| CN102679040A (en) * | 2012-05-15 | 2012-09-19 | 上海交通大学 | Construction method for preventing reinforced concrete pipe joint from being damaged and leaking slurry in pipe-jacking construction |
| JP2016180442A (en) * | 2015-03-24 | 2016-10-13 | 前澤給装工業株式会社 | Fitting method of laying pipe and in-core used in fitting method |
| CN107339504A (en) * | 2017-07-12 | 2017-11-10 | 郑州市市政工程总公司 | Interior spelling formula jacking pipe construction process |
| CN110388215A (en) * | 2018-04-17 | 2019-10-29 | 中国石油天然气集团有限公司 | The vertical pipe jacking construction method in Urban Underground pipe gallery tunnel |
| CN111520539A (en) * | 2020-05-09 | 2020-08-11 | 无锡市锡山三建实业有限公司 | Device for jacking construction of pipeline |
| CN113623482A (en) * | 2021-07-21 | 2021-11-09 | 武大巨成结构股份有限公司 | Pipeline deformation non-excavation jacking repairing device and repairing method |
-
2022
- 2022-02-28 CN CN202210188010.7A patent/CN114658921B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212601Y (en) * | 2008-07-12 | 2009-03-25 | 中冶京唐建设有限公司 | Temporary support in pipe of large diameter |
| CN102679040A (en) * | 2012-05-15 | 2012-09-19 | 上海交通大学 | Construction method for preventing reinforced concrete pipe joint from being damaged and leaking slurry in pipe-jacking construction |
| JP2016180442A (en) * | 2015-03-24 | 2016-10-13 | 前澤給装工業株式会社 | Fitting method of laying pipe and in-core used in fitting method |
| CN107339504A (en) * | 2017-07-12 | 2017-11-10 | 郑州市市政工程总公司 | Interior spelling formula jacking pipe construction process |
| CN110388215A (en) * | 2018-04-17 | 2019-10-29 | 中国石油天然气集团有限公司 | The vertical pipe jacking construction method in Urban Underground pipe gallery tunnel |
| CN111520539A (en) * | 2020-05-09 | 2020-08-11 | 无锡市锡山三建实业有限公司 | Device for jacking construction of pipeline |
| CN113623482A (en) * | 2021-07-21 | 2021-11-09 | 武大巨成结构股份有限公司 | Pipeline deformation non-excavation jacking repairing device and repairing method |
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| CN114658921B (en) | 2023-10-27 |
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