CN110594488A - Underground pipeline groove supporting and monitoring integrated structure and construction method - Google Patents
Underground pipeline groove supporting and monitoring integrated structure and construction method Download PDFInfo
- Publication number
- CN110594488A CN110594488A CN201910747595.XA CN201910747595A CN110594488A CN 110594488 A CN110594488 A CN 110594488A CN 201910747595 A CN201910747595 A CN 201910747595A CN 110594488 A CN110594488 A CN 110594488A
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- Prior art keywords
- pressure
- air bag
- underground pipeline
- supporting
- bearing
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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
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention belongs to the technical field of municipal and constructional engineering, and particularly relates to an underground pipeline groove supporting and monitoring integrated structure and a construction method. The underground pipeline groove supporting and monitoring integrated structure comprises a pressure-bearing air bag, wherein the pressure-bearing air bag is cubic, the pressure-bearing air bag is filled in the underground pipeline groove, and the upper surface of the pressure-bearing air bag is provided with an air inlet valve, an air outlet valve and a pressure gauge which are communicated with the pressure-bearing air bag. Has the following beneficial effects: (1) the structure is simple, large-scale equipment is not needed for installation, and the construction method has the advantages of low construction cost and high construction speed; (2) the supporting force can be quickly adjusted by inflating the air inlet valve according to the change of the pressure value of the pressure gauge; (3) the supporting structure and the monitoring facility are integrated; (4) can be repeatedly used.
Description
Technical Field
The invention belongs to the technical field of municipal and constructional engineering, and particularly relates to an underground pipeline groove supporting and monitoring integrated structure and a construction method.
Background
Under complex geological conditions, the excavation of the pipeline trench under the non-sloping ground generally needs to adopt a wood sheet pile or a steel sheet pile for supporting, and monitoring facilities such as a deformation measuring point, an inner support axial force measuring point and the like are arranged in a matched mode. Both the wood sheet piles and the steel sheet piles need to be arranged by adopting large-scale equipment, the site conditions of construction equipment operation need to be met, the construction cost is high, and the construction period is long; the supporting structure and the monitoring facilities are separated, so that the stress and deformation conditions of the groove cannot be mastered in real time; meanwhile, once the groove is deformed, measures cannot be taken quickly to increase the supporting force.
Therefore, a novel integrated structure for supporting and monitoring the underground pipeline groove is needed to be researched.
Disclosure of Invention
The first purpose of the present invention is to provide an integrated structure for supporting and monitoring underground pipeline trenches, aiming at overcoming the disadvantages of the supporting of wooden sheet piles and steel sheet piles.
For this reason, the above object of the present invention is achieved by the following technical solutions:
the utility model provides an underground pipeline groove is strutted and is monitored integral structure which characterized in that, underground pipeline groove is strutted and is monitored integral structure and is included the pressure-bearing gasbag, the pressure-bearing gasbag is the cube, the pressure-bearing gasbag is filled in underground pipeline groove, pressure-bearing gasbag upper surface is equipped with admission valve, air outlet valve and the manometer with pressure-bearing gasbag intercommunication.
While adopting the technical scheme, the invention can also adopt or combine the following technical scheme:
as a preferred technical scheme of the invention, a rubber protective ring wrapping the pressure-bearing air bag is arranged at the contact position of the lateral surface of the pressure-bearing air bag, which is vertical to the extending direction of the underground pipeline groove, and the underground pipeline groove.
As the preferred technical scheme of the invention, a high-strength adhesive is arranged between the rubber protection ring and the pressure-bearing air bag to bond the rubber protection ring and the pressure-bearing air bag.
As the preferred technical scheme of the invention, the two ends of the pressure-bearing air bag along the extension direction of the underground pipeline groove are respectively provided with a flange plate, and a plurality of high-strength bolts penetrating through the pressure-bearing air bag are arranged between the two flange plates.
As the preferred technical scheme of the invention, the air inlet valve and the air outlet valve on the upper surface of the pressure-bearing air bag are both one-way valves.
As the preferable technical scheme of the invention, the pressure-bearing air bags are arranged in the underground pipeline groove at intervals.
It is still another object of the present invention to provide a construction method for supporting and monitoring an integrated structure of an underground pipeline trench, which overcomes the disadvantages of the prior art.
For this reason, the above object of the present invention is achieved by the following technical solutions:
a construction method for an underground pipeline groove supporting and monitoring integrated structure is characterized by comprising the following steps:
firstly, machining a pressure-bearing air bag, a rubber protection ring, a flange plate and a high-strength bolt in a factory according to a groove excavation design drawing; the flange plate is connected with the high-strength bolt to form a framework, and then is connected with the pressure-bearing air bag, the rubber protection ring, the air inlet valve, the air outlet valve and the pressure gauge to form a whole;
secondly, excavating an underground pipeline groove, and installing an underground pipeline groove supporting and monitoring integrated structure every 6 ~ 12 m according to the geological condition of the underground pipeline groove;
thirdly, pre-inflating the pressure-bearing air bag through an air inlet valve, wherein the inflation pressure is 0.01 Mpa, and checking the tightness of the pressure-bearing air bag;
step four, pressurizing and inflating in stages, wherein the pressure rise of each stage is not more than 0.02 MPa, the pressure stabilizing time of each stage is not less than 5 min, and the sealing performance of the pressure-bearing air bag is checked until the designed pressure is reached so as to form a supporting force;
fifthly, checking the reading change condition of the pressure gauge at any time, and adopting pressurization or pressure relief measures according to the condition;
sixthly, starting the pipeline installation of the non-supporting section, and backfilling coarse sand or stone chips in the non-supporting section after the pipeline installation is finished to form a supporting system of the non-supporting section;
and seventhly, releasing the pressure of the pressure-bearing air bag, installing a pipeline and backfilling medium coarse sand or stone chips.
The invention provides an underground pipeline groove supporting and monitoring integrated structure and a construction method, and has the following beneficial effects:
(1) the structure is simple, large-scale equipment is not needed for installation, and the construction method has the advantages of low construction cost and high construction speed;
(2) the supporting force can be quickly adjusted by inflating the air inlet valve according to the change of the pressure value of the pressure gauge;
(3) the supporting structure and the monitoring facility are integrated;
(4) can be repeatedly used.
Drawings
Fig. 1 is a plan layout view of an integrated underground pipeline trench supporting and monitoring structure provided by the invention.
Fig. 2 is a schematic cross-sectional view of an integrated supporting and monitoring structure of an underground pipeline trench provided by the invention.
In the figure: 1-a pressure-bearing air bag; 2-rubber protective ring; 3-an air inlet valve; 4-an air outlet valve; 5-a pressure gauge; 6-a flange plate; 7-high strength bolt.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The utility model provides an underground pipeline groove is strutted and is monitored integral structure, includes pressure-bearing gasbag 1, and pressure-bearing gasbag 1 is the cube, and pressure-bearing gasbag 1 fills in underground pipeline groove, and 1 upper surface of pressure-bearing gasbag is equipped with admission valve 3, air outlet valve 4 and manometer 5 with 1 intercommunication of pressure-bearing gasbag.
The pressure-bearing air bag 1 is provided with a rubber protection ring 2 wrapping the pressure-bearing air bag 1 at the contact position of the side surface vertical to the extending direction of the underground pipeline groove and the underground pipeline groove.
A high-strength adhesive is arranged between the rubber protection ring 2 and the pressure-bearing air bag 1 to bond the rubber protection ring 2 and the pressure-bearing air bag 1.
The pressure-bearing air bag 1 is provided with flange plates 6 at two ends along the extending direction of the underground pipeline groove, and a plurality of high-strength bolts 7 penetrating through the pressure-bearing air bag 1 are arranged between the two flange plates 6.
The air inlet valve 3 and the air outlet valve 4 on the upper surface of the pressure-bearing air bag 1 are both one-way valves.
The pressure-bearing air bags 1 are arranged in the underground pipeline groove at intervals.
1. Firstly, according to a groove excavation design drawing, machining of a pressure-bearing air bag 1, a rubber protection ring 2, a flange plate 6 and a high-strength bolt 7 is completed in a factory. The flange 6 is connected with a high-strength bolt 7 to form a framework, and then is connected with a pressure-bearing air bag 1, a rubber protection ring 2, an air inlet valve 3, an air outlet valve 4 and a pressure gauge 5 to form a whole;
2. excavating a pipeline groove, and installing 1 supporting and monitoring integrated structure every 6 ~ 12 m according to the geological condition of the groove;
3. pre-inflating the pressure-bearing air bag 1 through an air inlet valve 5, wherein the inflation pressure is 0.01 Mpa, and checking the tightness of the pressure-bearing air bag 1;
4. pressurizing and inflating in stages, wherein the pressure rise of each stage is not more than 0.02 MPa, the pressure stabilizing time of each stage is not less than 5 min, and the sealing performance of the pressure-bearing air bag 1 is checked until the designed pressure is reached so as to form a supporting force;
5. checking the reading change condition of the pressure gauge 7 at any time, and adopting pressurization or pressure relief measures according to the condition;
6. starting the pipeline installation of the non-supporting section, and backfilling coarse sand or stone chips in the non-supporting section after the pipeline installation is finished to form a supporting system of the non-supporting section;
7. and (4) releasing the pressure of the pressure-bearing air bag 1, and installing the pipeline of the section and backfilling medium coarse sand or stone chips.
The above-described embodiments are intended to illustrate the present invention, but not to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit of the present invention and the scope of the claims fall within the scope of the present invention.
Claims (7)
1. The utility model provides an underground pipeline groove is strutted and is monitored integral structure which characterized in that, underground pipeline groove is strutted and is monitored integral structure and is included the pressure-bearing gasbag, the pressure-bearing gasbag is the cube, the pressure-bearing gasbag is filled in underground pipeline groove, pressure-bearing gasbag upper surface is equipped with admission valve, air outlet valve and the manometer with pressure-bearing gasbag intercommunication.
2. The integrated supporting and monitoring structure for the underground pipeline trench as claimed in claim 1, wherein the pressure-bearing air bag is provided with a rubber protection ring wrapping the pressure-bearing air bag at the contact position between the side surface perpendicular to the extending direction of the underground pipeline trench and the underground pipeline trench.
3. The integrated structure for supporting and monitoring the underground pipeline trench according to claim 2, wherein a high-strength adhesive is arranged between the rubber protection ring and the pressure-bearing air bag to bond the rubber protection ring and the pressure-bearing air bag.
4. The integrated supporting and monitoring structure for the underground pipeline trench as claimed in claim 1, wherein the pressure-bearing air bag is provided with flanges at two ends along the extending direction of the underground pipeline trench, and a plurality of high-strength bolts penetrating through the pressure-bearing air bag are arranged between the two flanges.
5. An integrated underground pipe trench supporting and monitoring structure as claimed in claim 1 wherein the air inlet and outlet valves on the upper surface of the pressure-bearing air bag are one-way valves.
6. The integrated supporting and monitoring structure for underground pipeline trenches according to any one of claims 1 to 5, wherein the pressure-bearing air bags are arranged in the underground pipeline trenches at intervals.
7. A construction method for an underground pipeline groove supporting and monitoring integrated structure is characterized by comprising the following steps:
firstly, machining a pressure-bearing air bag, a rubber protection ring, a flange plate and a high-strength bolt in a factory according to a groove excavation design drawing; the flange plate is connected with the high-strength bolt to form a framework, and then is connected with the pressure-bearing air bag, the rubber protection ring, the air inlet valve, the air outlet valve and the pressure gauge to form a whole;
secondly, excavating an underground pipeline groove, and installing an underground pipeline groove supporting and monitoring integrated structure every 6 ~ 12 m according to the geological condition of the underground pipeline groove;
thirdly, pre-inflating the pressure-bearing air bag through an air inlet valve, wherein the inflation pressure is 0.01 Mpa, and checking the tightness of the pressure-bearing air bag;
step four, pressurizing and inflating in stages, wherein the pressure rise of each stage is not more than 0.02 MPa, the pressure stabilizing time of each stage is not less than 5 min, and the sealing performance of the pressure-bearing air bag is checked until the designed pressure is reached so as to form a supporting force;
fifthly, checking the reading change condition of the pressure gauge at any time, and adopting pressurization or pressure relief measures according to the condition;
sixthly, starting the pipeline installation of the non-supporting section, and backfilling coarse sand or stone chips in the non-supporting section after the pipeline installation is finished to form a supporting system of the non-supporting section;
and seventhly, releasing the pressure of the pressure-bearing air bag, installing a pipeline and backfilling medium coarse sand or stone chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910747595.XA CN110594488B (en) | 2019-08-14 | 2019-08-14 | Underground pipeline groove supporting and monitoring integrated structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910747595.XA CN110594488B (en) | 2019-08-14 | 2019-08-14 | Underground pipeline groove supporting and monitoring integrated structure and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN110594488A true CN110594488A (en) | 2019-12-20 |
| CN110594488B CN110594488B (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910747595.XA Active CN110594488B (en) | 2019-08-14 | 2019-08-14 | Underground pipeline groove supporting and monitoring integrated structure and construction method |
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| CN (1) | CN110594488B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892680A (en) * | 2022-06-21 | 2022-08-12 | 北京诺和兴建设工程有限公司 | Trapezoidal groove supporting structure for pipeline construction and construction method thereof |
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| US20150132064A1 (en) * | 2013-11-11 | 2015-05-14 | James Pirtle | Buried pipeline repair system |
| CN105114125A (en) * | 2015-07-29 | 2015-12-02 | 上海隧道工程有限公司 | Tunnel airbag air filling device and tunnel airbag air filling method |
| CN105605308A (en) * | 2015-09-06 | 2016-05-25 | 中国水利水电第十三工程局有限公司 | Municipal blowdown pipeline laying construction method |
| CN206458954U (en) * | 2017-01-18 | 2017-09-01 | 深圳市深港建筑集团有限公司 | A kind of rubber pneumatic bag device for water blockoff in underground piping |
| CN207093919U (en) * | 2017-06-08 | 2018-03-13 | 徐明哲 | A kind of partial pressure equalizing main construction system |
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2019
- 2019-08-14 CN CN201910747595.XA patent/CN110594488B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150132064A1 (en) * | 2013-11-11 | 2015-05-14 | James Pirtle | Buried pipeline repair system |
| CN105114125A (en) * | 2015-07-29 | 2015-12-02 | 上海隧道工程有限公司 | Tunnel airbag air filling device and tunnel airbag air filling method |
| CN105605308A (en) * | 2015-09-06 | 2016-05-25 | 中国水利水电第十三工程局有限公司 | Municipal blowdown pipeline laying construction method |
| CN206458954U (en) * | 2017-01-18 | 2017-09-01 | 深圳市深港建筑集团有限公司 | A kind of rubber pneumatic bag device for water blockoff in underground piping |
| CN207093919U (en) * | 2017-06-08 | 2018-03-13 | 徐明哲 | A kind of partial pressure equalizing main construction system |
Non-Patent Citations (1)
| Title |
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| 李永东等: "《市政管道沟槽支护技术研究》", 《城市道桥与防洪》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892680A (en) * | 2022-06-21 | 2022-08-12 | 北京诺和兴建设工程有限公司 | Trapezoidal groove supporting structure for pipeline construction and construction method thereof |
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| CN110594488B (en) | 2021-02-09 |
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