CN112032408B - Pipe jacking construction method based on whole-course real-time monitoring - Google Patents
Pipe jacking construction method based on whole-course real-time monitoring Download PDFInfo
- Publication number
- CN112032408B CN112032408B CN202011008582.XA CN202011008582A CN112032408B CN 112032408 B CN112032408 B CN 112032408B CN 202011008582 A CN202011008582 A CN 202011008582A CN 112032408 B CN112032408 B CN 112032408B
- Authority
- CN
- China
- Prior art keywords
- pipe
- jacking
- whole
- monitoring
- strain gauge
- 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.)
- Active
Links
Images
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
- F16L1/06—Accessories therefor, e.g. anchors
- F16L1/11—Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a pipe jacking construction method based on whole-course real-time monitoring, which comprises the following steps of: (1) selecting a plurality of pipe joints for setting monitoring sections along the jacking direction of the jacking pipe, and marking; (2) the method comprises the following steps that a pipe joint of a monitoring section is required to be arranged, a strain gauge and a collector are arranged on the pipe joint before the pipe joint is placed below the pipe joint, and the strain gauge is in communication connection with an external control terminal through the collector; (3) in the jacking process of the pipeline, the collector collects strain data on each strain gauge and feeds the strain data back to an external control terminal; (4) and the external control terminal correspondingly adjusts the jacking force and the grouting parameters according to the received real-time data. By adopting the method, the stress change condition of the pipeline in the construction process of the jacking pipe is obtained through the whole-course uninterrupted real-time monitoring, so that the parameters such as jacking force, grouting pressure and the like are correspondingly adjusted, and the smooth operation of the jacking pipe construction can be guided.
Description
Technical Field
The invention relates to a pipe jacking construction method.
Background
With the development of economic society, underground comprehensive pipe galleries, urban water delivery lines and other projects are more and more, and the projects can not avoid traversing roads, rivers, existing buildings and the like. If a large-area open excavation method is adopted for the pipelines laid under the existing facilities, the existing facilities are greatly damaged, and the environment, the traffic and the like are also greatly influenced. The pipe-jacking construction method can well avoid the problems, and has high construction speed and low cost. The pipe jacking construction mainly comprises the steps that a jack is arranged in a pipe jacking working well 1, then a high-pressure oil pump is used for supplying oil, the thrust in the horizontal direction is guaranteed, pipe sections 2 are pushed section by section from a starting point to an end point, namely a receiving well 3, and trenchless laying of pipelines is achieved. However, due to the complexity of geological conditions, some problems are easy to occur in the pipe jacking construction process, such as the rotation of a machine head and a pipe joint in the jacking process, the incontrollable direction of the pipe jacking, the rolling and surface subsidence in the jacking process, and the like, and the pipe jacking construction method capable of timely acquiring the above conditions is lacked in the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pipe jacking construction method based on whole-course real-time monitoring, which acquires the stress change condition of a pipeline in the construction process of the pipe jacking through distributed whole-course uninterrupted real-time monitoring so as to correspondingly adjust parameters such as jacking force, grouting pressure and the like, thereby guiding the smooth operation of pipe jacking construction.
In order to achieve the purpose, the invention provides a pipe jacking construction method based on whole-process real-time monitoring, which comprises the following steps:
(1) selecting a plurality of pipe joints for setting monitoring sections along the jacking direction of the jacking pipe, and marking;
(2) the method comprises the following steps that a pipe joint of a monitoring section is required to be arranged, a strain gauge and a collector are arranged on the pipe joint before the pipe joint is placed below the pipe joint, and the strain gauge is in communication connection with an external control terminal through the collector;
(3) in the jacking process of the pipeline, the collector collects strain data on each strain gauge and feeds the strain data back to an external control terminal;
(4) and the external control terminal correspondingly adjusts the jacking force and the grouting parameters according to the received real-time data.
The invention has the beneficial effects that: the stress change condition of the jacking pipe in the pipeline in the construction process can be obtained in real time through the strain gauge and the collector, so that the whole-process uninterrupted monitoring of the jacking pipe construction process is realized, parameters such as jacking force, grouting pressure and the like are correspondingly adjusted according to the obtained data, and the smooth proceeding of the jacking pipe construction is guided. Meanwhile, a plurality of monitoring sections for setting are selected along the jacking direction of the jacking pipe, so that distributed online monitoring is facilitated to collect data more comprehensively.
The invention can be further set that each monitoring section is provided with an axial strain gauge for monitoring the axial strain value of the corresponding pipe joint and a circumferential strain gauge for monitoring the circumferential strain value of the corresponding pipe joint. Therefore, the axial strain condition and the circumferential strain condition in the pipeline can be monitored, and more comprehensive and accurate data can be obtained.
The invention can be further provided that a plurality of axial strain gauges and a plurality of circumferential strain gauges are circumferentially distributed on each monitoring section. Therefore, the monitoring data of different monitoring points can be obtained on the same monitoring section, so that the monitoring data is more comprehensive and accurate and has higher reference value.
The invention may further be arranged such that the strain gauges are fixed by welding and that the surfaces of the strain gauges and the desired welding positions are cleaned and ground prior to welding. By means of the arrangement, the reliability of welding is improved, and the obtained data are more accurate.
The invention can be further provided with a strain gauge which is coated with a silica gel layer for covering after being welded. This provides further positioning and sealing protection for the strain gauge.
The invention can be further provided with a metal shell covered outside the strain gauge and the silica gel layer, the metal shell is welded and fixed on the corresponding pipe joint, the metal shell is correspondingly provided with a through hole for the connecting wire between the strain gauge and the collector to pass through, and a sealing structure is arranged between the through hole and the connecting wire. By adding a metal housing, the strain gauge can be further protected.
The invention can be further set that the sealing structure comprises a rubber sleeve and a clamping sleeve, the rubber sleeve is sheathed on the connecting wire in a wrapping way, the clamping sleeve is sheathed on the rubber sleeve, the clamping sleeve is provided with a convex ring embedded in the rubber sleeve, the convex ring is also provided with a plurality of annular grooves which are in sealing fit with the rubber sleeve, the rubber sleeve and the clamping sleeve are both positioned in a through hole of the metal shell, and the through hole is in threaded assembly with a threaded sleeve which is axially clamped by the clamping sleeve. This arrangement provides a secure mounting location and sealing engagement at the metal housing through hole and the connecting wire.
The invention can be further provided that an axial inserting and positioning structure is formed between the clamping sleeve and the screw sleeve, the axial inserting and positioning structure comprises an inserting groove and an inserting block which are mutually formed into inserting and matching, and the inserting groove and the inserting block are respectively arranged on the clamping sleeve and the screw sleeve. Through the splicing fit, further connection fit is formed between the clamping sleeve and the threaded sleeve, so that the structure is firmer and more reliable.
Drawings
FIG. 1 is a schematic structural view of pipe jacking construction according to the present invention;
FIG. 2 is a schematic view of a pipe joint structure provided with a monitoring section according to the present invention;
FIG. 3 is a schematic diagram of the distribution of axial and circumferential strain gauges in the present invention;
fig. 4 is a cross-sectional view of the seal structure.
Detailed Description
As shown in FIGS. 1-4, a pipe jacking construction method based on whole-course real-time monitoring is provided, which comprises the following steps:
(1) selecting a plurality of pipe joints 2 for arranging a monitoring section 5 along the jacking direction 4 of the jacking pipe, and marking;
(2) the method comprises the following steps that a pipe joint 2 of a monitoring section 5 is required to be arranged, a strain gauge and a collector are arranged on the pipe joint before the pipe joint is placed below the pipe joint, and the strain gauge is in communication connection with an external control terminal through the collector;
(3) in the jacking process of the pipeline, the collector collects strain data on each strain gauge and feeds the strain data back to an external control terminal;
(4) and the external control terminal correspondingly adjusts the jacking force and the grouting parameters according to the received real-time data.
By adopting the invention, the stress change condition of the jacking pipe in the construction process can be obtained in real time through the strain gauge and the collector, so that the whole process of the jacking pipe construction process is uninterruptedly monitored, parameters such as jacking force, grouting pressure and the like are correspondingly adjusted according to the obtained data, and the successful execution of the jacking pipe construction is guided. Meanwhile, a plurality of monitoring sections for setting are selected along the jacking direction of the jacking pipe, so that distributed online monitoring is facilitated to collect data more comprehensively.
The invention can be further arranged that each monitoring section 5 is provided with an axial strain gauge 6 for monitoring the axial strain value of the corresponding pipe joint 2 and a circumferential strain gauge 7 for monitoring the circumferential strain value of the corresponding pipe joint 2. Therefore, the axial strain condition and the circumferential strain condition in the pipeline can be monitored, and more comprehensive and accurate data can be obtained.
The invention can be further provided that a plurality of axial strain gauges 6 and a plurality of circumferential strain gauges 7 are distributed on the circumference of each monitoring section 5. Therefore, the monitoring data of different monitoring points can be obtained on the same monitoring section 5, so that the monitoring data is more comprehensive and accurate and has higher reference value.
The invention may further be arranged such that the strain gauges are fixed by welding and that the surfaces of the strain gauges and the desired welding positions are cleaned and ground prior to welding. By means of the arrangement, the reliability of welding is improved, and the obtained data are more accurate.
The invention can be further provided with a strain gauge which is coated with a silica gel layer for covering after being welded. This provides further positioning and sealing protection for the strain gauge.
The invention can be further provided with a strain gauge, a metal shell 8 is covered outside the silica gel layer, the metal shell 8 is welded and fixed on the corresponding pipe joint 2, a through hole 10 for a connecting wire 9 between the strain gauge and the collector to pass through is correspondingly arranged on the metal shell 8, and a sealing structure is also arranged between the through hole 10 and the connecting wire 9. By adding a metal housing 8, the strain gauge can be further protected.
The invention can be further configured that the sealing structure comprises a rubber sleeve 11 and a clamping sleeve 12, the rubber sleeve 11 is sheathed on the connecting wire 9 in a covering manner, the clamping sleeve 12 is sheathed on the rubber sleeve 11, the clamping sleeve 12 is provided with a convex ring 13 embedded in the rubber sleeve 11, a plurality of annular grooves 14 which are in sealing fit with the rubber sleeve 11 are also formed on the convex ring 13, the rubber sleeve 11 and the clamping sleeve 12 are both positioned in a through hole 10 of the metal shell 8, and a threaded sleeve 15 which forms axial clamping for the clamping sleeve 12 is screwed and assembled on the through hole 10. This arrangement provides a secure mounting location and sealing engagement at the metal housing through-hole 10 and the connection line 9.
The invention can be further provided that an axial inserting and positioning structure is formed between the clamping sleeve 12 and the threaded sleeve 15, the axial inserting and positioning structure comprises an inserting groove 16 and an inserting block 17 which are mutually formed into inserting and matching, and the inserting groove 16 and the inserting block 17 are respectively arranged on the clamping sleeve 12 and the threaded sleeve 15. Through the insertion fit, a further connection fit is formed between the clamping sleeve 12 and the threaded sleeve 15, so that the structure is firmer and more reliable.
Claims (8)
1. A pipe jacking construction method based on whole-course real-time monitoring is characterized in that: the method comprises the following steps:
(1) selecting a plurality of pipe joints for setting monitoring sections along the jacking direction of the jacking pipe, and marking;
(2) the method comprises the following steps that a pipe joint of a monitoring section is required to be arranged, a strain gauge and a collector are arranged on the pipe joint before the pipe joint is placed below the pipe joint, and the strain gauge is in communication connection with an external control terminal through the collector;
(3) in the jacking process of the pipeline, the collector collects strain data on each strain gauge and feeds the strain data back to an external control terminal;
(4) and the external control terminal correspondingly adjusts the jacking force and the grouting parameters according to the received real-time data.
2. The pipe jacking construction method based on whole-process real-time monitoring as claimed in claim 1, wherein: and each monitoring section is provided with an axial strain gauge for monitoring the axial strain value of the corresponding pipe joint and a circumferential strain gauge for monitoring the circumferential strain value of the corresponding pipe joint.
3. The pipe jacking construction method based on whole-process real-time monitoring as claimed in claim 2, wherein: and a plurality of axial strain gauges and a plurality of circumferential strain gauges are circumferentially distributed on each monitoring section.
4. The pipe jacking construction method based on whole-course real-time monitoring according to claim 1, 2 or 3, characterized in that: the strain gauges are fixed by welding and the surfaces of the strain gauges and the desired weld locations are cleaned and sanded prior to welding.
5. The pipe jacking construction method based on whole-process real-time monitoring as claimed in claim 4, wherein: and after the strain gauge is welded, a silica gel layer is coated outside the strain gauge for covering.
6. The pipe jacking construction method based on whole-process real-time monitoring as claimed in claim 5, wherein: still cover outside the strainometer and the silica gel layer and be equipped with metal casing, metal casing welded fastening is on corresponding the tube coupling, corresponds on the metal casing and sets up the through-hole that the connecting wire between supply strainometer and the collector passes through, still be provided with seal structure between through-hole and the connecting wire.
7. The pipe jacking construction method based on whole-process real-time monitoring as claimed in claim 6, wherein: the sealing structure comprises a rubber sleeve and a clamping sleeve, the rubber sleeve is sleeved on the connecting line in a covering mode, the clamping sleeve is arranged on the rubber sleeve, the clamping sleeve is provided with an embedded convex ring in the rubber sleeve, multiple channels are formed on the convex ring and form an annular groove in sealing fit with the rubber sleeve, the rubber sleeve and the clamping sleeve are located in a through hole of the metal shell, and a threaded sleeve for axially clamping the clamping sleeve is assembled on the through hole in a threaded mode.
8. The pipe jacking construction method based on whole-process real-time monitoring as claimed in claim 7, wherein: an axial inserting and positioning structure is formed between the clamping sleeve and the screw sleeve and comprises an inserting groove and an inserting block which are mutually formed into inserting and matching, and the inserting groove and the inserting block are respectively arranged on the clamping sleeve and the screw sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008582.XA CN112032408B (en) | 2020-09-23 | 2020-09-23 | Pipe jacking construction method based on whole-course real-time monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008582.XA CN112032408B (en) | 2020-09-23 | 2020-09-23 | Pipe jacking construction method based on whole-course real-time monitoring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112032408A CN112032408A (en) | 2020-12-04 |
| CN112032408B true CN112032408B (en) | 2021-03-26 |
Family
ID=73574229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011008582.XA Active CN112032408B (en) | 2020-09-23 | 2020-09-23 | Pipe jacking construction method based on whole-course real-time monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112032408B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061650B (en) * | 2021-09-22 | 2023-01-17 | 中国地质大学（武汉） | Intelligent monitoring system and method for pipe jacking construction |
| CN114486028B (en) * | 2022-01-28 | 2023-05-16 | 中国地质大学（武汉） | Method for monitoring and regulating jacking force of jacking pipe in real time based on multivariate data |
| CN115046055B (en) * | 2022-06-21 | 2024-05-28 | 北京住总集团有限责任公司 | Push pipe settlement control system and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29900679U1 (en) * | 1999-01-11 | 1999-04-08 | Gildemeister Tief-, Stahlbeton- u. Rohrleitungsbau GmbH & Co KG, 13409 Berlin | Jacking pipe for underground laying of pipes |
| CN103412550A (en) * | 2013-08-20 | 2013-11-27 | 国家电网公司 | Long-distance automation monitoring method of electric power tunnel pipe-jacking construction |
| CN108332884A (en) * | 2018-02-07 | 2018-07-27 | 中铁十八局集团有限公司 | Pipeline stress monitoring method in a kind of jacking construction |
| CN209727321U (en) * | 2019-04-22 | 2019-12-03 | 中铁上海工程局集团有限公司 | A kind of jacking pipe joints installation monitoring device based on BIM technology |
| CN210321706U (en) * | 2019-06-05 | 2020-04-14 | 石家庄铁道大学 | Pipe jacking tunnel construction model test monitoring and collecting system |
| CN110261151A (en) * | 2019-06-10 | 2019-09-20 | 石家庄铁道大学 | A kind of pipe jacking tunnel method for analog construction and model equipment |
-
2020
- 2020-09-23 CN CN202011008582.XA patent/CN112032408B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112032408A (en) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112032408B (en) | Pipe jacking construction method based on whole-course real-time monitoring | |
| CN102889427B (en) | Device, system and method for repairing underground pipeline of trenchless pneumatic cracking pipe | |
| US7707704B2 (en) | Sealing methods | |
| CN205936422U (en) | Double -walled drilling rod | |
| CN109403995B (en) | Deviation correcting device of push bench | |
| US20230213136A1 (en) | Monitoring of Lined Pipeline | |
| CN108868817A (en) | A kind of connection structure of cable conduit and shield tunnel containing the connection structure | |
| CN112032409B (en) | Pipe jacking construction jacking control method based on continuous real-time monitoring of pipeline stress | |
| CN109577392B (en) | Underground continuous wall joint leakage monitoring and repairing device and method based on optical fiber temperature measurement | |
| RU2679583C1 (en) | Production method of a pipe with cable conduit and a continuous concrete coating and a pipe with a cable conduit (options) | |
| CN113356285A (en) | Offshore wind power suction bucket jacket foundation safety monitoring device | |
| CN112503248A (en) | Long-distance concrete culvert pipe curve jacking pipe installation method | |
| CN219221534U (en) | High-performance pipeline and monitoring system | |
| CN112879813B (en) | Fully-distributed pipeline soil covering depth monitoring system and method suitable for sandy soil | |
| CN209977560U (en) | Lining pipe conical joint for trenchless pipeline repair | |
| CN210662338U (en) | Pressure test device of socket joint formula municipal administration water supply pipe bellmouth | |
| CN218509488U (en) | Real-time deviation rectifying construction device for jacking pipe | |
| CN219013588U (en) | Composite steel pipe lined with high polymer material | |
| CN110924954A (en) | Device and method for checking grouting condition of annular space of orifice pipe | |
| CN217385929U (en) | Optical cable laying structure for water pipeline | |
| CN216666670U (en) | Device for adjusting jacking angle of pipeline | |
| CN221193604U (en) | Joint formula PE municipal drain pipe | |
| CN115492591A (en) | Real-time deviation rectifying construction device and method for jacking pipe | |
| CN219013688U (en) | Pipeline non-excavation restores built-in sleeve pipe mounting structure | |
| CN214660131U (en) | Through cable water feeder |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 581, Fenghuang Road, Huzhou City, Zhejiang Province, 313000 Patentee after: NUCLEAR INDUSTRY WELL AND ROADWAY CONSTRUCTION GROUP Co.,Ltd. Address before: 313000 4th Floor, 666 Huanzhu Road, Wuxing District, Huzhou City, Zhejiang Province Patentee before: NUCLEAR INDUSTRY WELL AND ROADWAY CONSTRUCTION GROUP Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |