CN115094916A - Construction method for multiple flexible sleeves to penetrate existing municipal pipeline - Google Patents
Construction method for multiple flexible sleeves to penetrate existing municipal pipeline Download PDFInfo
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- CN115094916A CN115094916A CN202210781739.5A CN202210781739A CN115094916A CN 115094916 A CN115094916 A CN 115094916A CN 202210781739 A CN202210781739 A CN 202210781739A CN 115094916 A CN115094916 A CN 115094916A
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- Prior art keywords
- flexible
- installation channel
- pipeline
- installation
- municipal pipeline
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline, which is characterized by comprising the following steps of: excavating a soil body in the path range of one flexible casing pipe and forming an installation channel, and arranging a support frame in the installation channel; excavating the soil body in the path range of the other flexible casing pipe and forming the installation channel, arranging a support frame in the installation channel, and repeating the steps until all the flexible casing pipe paths are excavated; after the supporting frame in one of the installation channels is removed, a flexible sleeve is arranged in a penetrating manner, and a gap between the outer wall of the flexible sleeve and the inner wall of the installation channel is backfilled; repeating the steps until all the flexible sleeves are installed; the method adopts a mode of replacing excavated earthwork by the supporting frame to ensure the stability of the excavated surface, then inserts the newly constructed flexible casing pipe while taking out the supporting frame and backfills the newly constructed flexible casing pipe compactly to finish the pipeline construction, and safely, efficiently and quickly finishes the flexible pipeline construction on the premise of ensuring the normal operation of the pipeline under the present situation.
Description
Technical Field
The invention relates to the technical field of underground pipeline construction, in particular to a construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline.
Background
At present, the urban underground engineering in China is in a high-speed construction period, urban underground pipelines are complex, and the urban comprehensive planning in the early period cannot meet the overall development trend of cities, so that a large number of newly-built pipelines or reconstructed pipelines conflict with the current pipeline space positions in later-period urban construction. If other pipelines are newly built or reconstructed in a mode of interrupting the existing running municipal pipelines, the time is long, and the interruption of the existing municipal pipelines has great influence on the functions of the city, so that the problem of constructing the newly built or reconstructed pipelines on the premise of not influencing the operation of the existing municipal pipelines is urgently needed to be solved.
In order to solve the problems, the invention provides a construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline, so as to solve the problems of slow construction progress and high construction cost.
Disclosure of Invention
The invention aims to provide a construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline, and the purpose of improving the construction progress and reducing the construction cost is achieved.
In order to achieve the purpose, the invention provides the following scheme:
a construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline comprises the following steps:
excavating a soil body in the path range of one flexible casing pipe and forming an installation channel, and arranging a support frame in the installation channel;
excavating the soil body in the path range of the other flexible casing pipe and forming the installation channel, arranging a support frame in the installation channel,
repeating the steps until all the flexible casing paths are excavated;
after the supporting frame in one of the installation channels is removed, a flexible sleeve is arranged in a penetrating manner, and a gap between the outer wall of the flexible sleeve and the inner wall of the installation channel is backfilled;
and repeating the steps until all the flexible sleeves are installed.
Preferably, the supporting frame is a plurality of spliced building blocks, and through holes of the building blocks are mutually communicated.
Preferably, the length, width and height of the block are 0.6m, 0.3m and 0.2m, respectively.
Preferably, before excavating the soil mass within the flexible pipeline range, one working pit is excavated on each side of the existing municipal pipeline and the working pit slope is reinforced.
Preferably, the slope ratio of the working pit slope is 1: 1.
Preferably, the work pit slope is reinforced by adopting a spray anchor supporting mode.
Preferably, the gap between the outer wall of the flexible sleeve and the inner wall of the installation channel is backfilled with earth or mortar or plain concrete.
Preferably, the flexible sleeve is an outer sleeve of a power line or a communication line.
Compared with the prior art, the invention achieves the following technical effects:
1. the method adopts the mode of replacing the excavated earthwork by the supporting frame to ensure the stability of the excavated surface, then inserts the newly constructed flexible sleeve while taking out the supporting frame and backfills the newly constructed flexible sleeve compactly to complete the pipeline construction, thereby safely, efficiently and quickly completing the flexible pipeline construction on the premise of ensuring the normal operation of the current pipeline, and simultaneously, the arrangement of the supporting frame avoids a large number of supporting systems and saves the construction cost.
Drawings
In order to more clearly illustrate the present invention or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic longitudinal sectional view of the present invention;
FIG. 2 is a schematic cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a single row of blocks installed;
FIG. 4 is a schematic view of a multi-row block installation;
FIG. 5 is a schematic view of a flexible sleeve installation;
FIG. 6 is a schematic view of the completed installation of the flexible sleeve;
wherein, 1, working pit; 2. existing municipal pipelines; 3. a flexible sleeve; 4. and (5) building blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline, and the purpose of improving the construction progress and reducing the construction cost is achieved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 6, a construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline comprises the following steps: excavating a soil body in the path range of one of the flexible casings 3 and forming an installation channel, and arranging a support frame in the installation channel; excavating the soil body within the range of the diameter of the other flexible sleeve pipeline 3 to form the installation channel, arranging a support frame in the installation channel, and repeating the steps until all the paths of the flexible sleeve pipelines 3 are excavated; after a support frame in one of the installation channels is removed, a flexible sleeve 3 is arranged in a penetrating manner, and a gap between the outer wall of the flexible sleeve 3 and the inner wall of the installation channel is backfilled; repeating the steps until all the flexible sleeves are installed; the method adopts the mode of replacing the excavated earthwork by the supporting frame to ensure the stability of the excavated surface, then inserts the newly constructed flexible sleeve 3 while taking out the supporting frame and backfills the newly constructed flexible sleeve tightly to finish the pipeline construction, thereby safely, efficiently and quickly finishing the flexible pipeline construction on the premise of ensuring the normal operation of the current pipeline, and simultaneously, the arrangement of the supporting frame avoids a large amount of supporting systems and saves the construction cost.
And 3, the supporting frame is a plurality of spliced building blocks 4, and through holes of the building blocks 4 are mutually communicated.
Further, the length, width and height of the block 4 are 0.6m, 0.3m and 0.2m, respectively.
Referring to fig. 1, before soil within the range of a flexible pipeline is excavated, a working pit 1 is excavated on each side of an existing municipal pipeline 2, and the slope of the working pit 1 is reinforced.
Further, the slope ratio of the side slope of the working pit 1 is 1: 1.
Further, the side slope of the working pit 1 is reinforced by adopting a spray anchor supporting mode.
Further, gaps between the outer wall of the flexible sleeve 3 and the inner wall of the installation channel are filled with earthwork or mortar or plain concrete.
Further, the flexible sleeve 3 is an outer sleeve of a power line or a communication line.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A construction method for a plurality of flexible sleeves to penetrate through an existing municipal pipeline is characterized by comprising the following steps:
excavating a soil body in the path range of one flexible casing pipe and forming an installation channel, and arranging a support frame in the installation channel;
excavating the soil body in the path range of the other flexible casing pipe and forming the installation channel, arranging a support frame in the installation channel,
repeating the steps until all the flexible sleeve paths are excavated;
after the supporting frame in one of the installation channels is removed, a flexible sleeve is arranged in a penetrating manner, and a gap between the outer wall of the flexible sleeve and the inner wall of the installation channel is backfilled;
and repeating the steps until all the flexible sleeves are installed.
2. The construction method for the plurality of flexible sleeves to penetrate through the existing municipal pipeline according to claim 1, wherein the support frame is a plurality of spliced blocks, and through holes of the blocks are communicated with each other.
3. A method of laying down existing municipal pipeline with a plurality of flexible casing pipes according to claim 2, characterised in that the blocks are 0.6m, 0.3m and 0.2m long, wide and high respectively.
4. The method of claim 1, wherein a pit is excavated on each side of the existing pipeline and the slope of the pit is reinforced prior to excavating the mass of soil within the confines of the flexible pipe.
5. The method of claim 4, wherein the slope ratio of the working pit slope is 1: 1.
6. The construction method for penetrating the existing municipal pipeline through the plurality of flexible casings according to claim 5, wherein the side slope of the working pit is reinforced by means of spray anchor support.
7. The method for constructing the municipal pipeline through which the plurality of flexible casings pass is characterized in that gaps between the outer walls of the flexible casings and the inner walls of the installation channels are filled with earthwork or mortar or plain concrete.
8. The method as claimed in claim 1, wherein the flexible pipe is an outer pipe of a power or communication pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781739.5A CN115094916A (en) | 2022-07-04 | 2022-07-04 | Construction method for multiple flexible sleeves to penetrate existing municipal pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781739.5A CN115094916A (en) | 2022-07-04 | 2022-07-04 | Construction method for multiple flexible sleeves to penetrate existing municipal pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115094916A true CN115094916A (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210781739.5A Pending CN115094916A (en) | 2022-07-04 | 2022-07-04 | Construction method for multiple flexible sleeves to penetrate existing municipal pipeline |
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| CN (1) | CN115094916A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10178731A (en) * | 1996-12-18 | 1998-06-30 | Chiba Yogyo Kk | Method of executing construction work for protecting underground conduit and block for construction work |
| JPH1163299A (en) * | 1997-08-08 | 1999-03-05 | Odakyu Kensetsu Kk | Execution method of multi-conduit pipe and multi-conduit pipe |
| CN110306989A (en) * | 2019-07-04 | 2019-10-08 | 中铁二十局集团第四工程有限公司 | A kind of non-open cut assembled pipe canal digging support reinforcement method |
| CN110424459A (en) * | 2019-08-20 | 2019-11-08 | 秦静 | It is a kind of not influence the current underpass construction technology of existing road |
| CN110924435A (en) * | 2019-12-16 | 2020-03-27 | 山东顺河路桥工程有限公司 | Transverse pipeline fixing device under transverse structure and construction method thereof |
| CN111364482A (en) * | 2020-02-27 | 2020-07-03 | 深圳市粤通建设工程有限公司 | Multi-professional pipeline same-groove excavation construction method |
| CN112727365A (en) * | 2020-12-30 | 2021-04-30 | 中铁六局集团北京铁路建设有限公司 | Construction method for trenchless horizontal directional drilling of existing underpass railway |
-
2022
- 2022-07-04 CN CN202210781739.5A patent/CN115094916A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10178731A (en) * | 1996-12-18 | 1998-06-30 | Chiba Yogyo Kk | Method of executing construction work for protecting underground conduit and block for construction work |
| JPH1163299A (en) * | 1997-08-08 | 1999-03-05 | Odakyu Kensetsu Kk | Execution method of multi-conduit pipe and multi-conduit pipe |
| CN110306989A (en) * | 2019-07-04 | 2019-10-08 | 中铁二十局集团第四工程有限公司 | A kind of non-open cut assembled pipe canal digging support reinforcement method |
| CN110424459A (en) * | 2019-08-20 | 2019-11-08 | 秦静 | It is a kind of not influence the current underpass construction technology of existing road |
| CN110924435A (en) * | 2019-12-16 | 2020-03-27 | 山东顺河路桥工程有限公司 | Transverse pipeline fixing device under transverse structure and construction method thereof |
| CN111364482A (en) * | 2020-02-27 | 2020-07-03 | 深圳市粤通建设工程有限公司 | Multi-professional pipeline same-groove excavation construction method |
| CN112727365A (en) * | 2020-12-30 | 2021-04-30 | 中铁六局集团北京铁路建设有限公司 | Construction method for trenchless horizontal directional drilling of existing underpass railway |
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