CN102661441A - Trenchless pipeline construction method - Google Patents
Trenchless pipeline construction method Download PDFInfo
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- CN102661441A CN102661441A CN2012101207749A CN201210120774A CN102661441A CN 102661441 A CN102661441 A CN 102661441A CN 2012101207749 A CN2012101207749 A CN 2012101207749A CN 201210120774 A CN201210120774 A CN 201210120774A CN 102661441 A CN102661441 A CN 102661441A
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- pipe
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- direct buried
- buried pipe
- pipeline
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Abstract
The invention discloses a trenchless pipeline construction method. The center and the elevation of a pipeline are obtained; soil is excavated according to the center and the elevation of the pipeline and the outer diameter of a steel-strip direct buried pipe, wherein the steel-strip direct buried pipe comprises a bottom semicircular pipe and an upper semicircular pipe which can be spliced; the bottom semicircular pipe is mounted, and the diameter of the bottom semicircular pipe is horizontal; the upper semicircular pipe is mounted and then spliced with the bottom semicircular pipe to form the steel-strip direct buried pipe; the steel-strip direct buried pipe is fixed; an electric power pipeline or a telecommunication pipeline is laid in the steel-strip direct buried pipe; and sand is blasted and grout is injected. The effects of low cost, small pipe diameter and little constructional land occupation are achieved, and straight pipeline segments as well as curve pipeline segments can all be laid, so that the operation is simpler and more convenient, the efficiency is higher, and a great quantity of man power and material resources is saved.
Description
Technical field
The present invention relates to the pipelining field, relate in particular to a kind of non-excavation pipeline construction method.
Background technique
Along with the development of urban construction, City Buried Pipeline is more and more intensive, and various pipelines are crisscross, and the pipeline that newly lays is that excavation construction or non-excavating construction are all very difficult.Non-excavating construction method in the past can only the top straightway like artificial push pipe; Though laying the straightway pipeline, the directional drilling machine trombone slide also can lay the curved section pipeline; But the directional drilling machine trombone slide will be surveyed the center and the elevation of underground present situation pipeline very accurately; The precision of pipeline detection receives the influence of ambient conditions, peopleware and detection instrument again, and the likelihood ratio of in work progress, damaging other pipelines is higher; The place that tunneling anchor spraying construction needs is big especially, and cost can only be used for the pipeline of diameter more than 1.5 meters than higher.
So, need especially that a kind of construction area is few, cost is low, little caliber, can lay novel pipelining method-assembly tube side method that the straightway pipeline also can lay the curved section pipeline.
Summary of the invention
For addressing the above problem; The invention provides a kind of non-excavation pipeline construction method; Through direct buried pipe is cut into segment; And each section is truncated into two semicircles, and progressively install then, realized that low, the little caliber of cost, construction area are few, can lay the purpose that the straightway pipeline also can lay the curved section pipeline.
For reaching above-mentioned effect, the embodiment of the invention provides a kind of method of non-excavation pipeline construction, may further comprise the steps:
Obtain the center and the elevation of pipeline;
Cut the earth according to the center of said pipeline and the external diameter of elevation and steel band direct buried pipe, said steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semicircle pipe;
Said bottom semicircular pipe is installed, is made the diameter level of said bottom semicircular pipe;
Said top semicircle pipe is installed, is made said top semicircle pipe and said bottom semicircular pipe be spliced into said steel band direct buried pipe;
Said steel band direct buried pipe is fixed;
In said steel band direct buried pipe, lay power pipeline or telecommunication line;
Sandblast and slip casting.
The embodiment of the invention can reach following beneficial effect: through center and the elevation that obtains pipeline; Cut the earth according to the center of said pipeline and the external diameter of elevation and steel band direct buried pipe, said steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semicircle pipe; Said bottom semicircular pipe is installed, is made the diameter level of said bottom semicircular pipe; Said top semicircle pipe is installed, is made said top semicircle pipe and said bottom semicircular pipe be spliced into said steel band direct buried pipe; Said steel band direct buried pipe is fixed; In said steel band direct buried pipe, lay power pipeline or telecommunication line; Sandblast and slip casting, realized that low, the little caliber of cost, construction area are few, can lay the straightway pipeline also can lay the curved section pipeline, make operation easier, efficient is more efficient, has saved lot of manpower and material resources.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the embodiment of the invention, a kind of flow chart of non-excavation pipeline construction method.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of non-excavation pipeline construction method, like Fig. 1, may further comprise the steps:
Step 101 is obtained the center and the elevation of pipeline;
The center and the elevation of said pipeline confirmed in the center of base area underground pipelines result of detection, present situation power pipeline and elevation, present situation well chamber and builder's yard.
Step 102 is cut the earth according to the center of said pipeline and the external diameter of elevation and steel band direct buried pipe, and said steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semicircle pipe;
The length of said shoveling is greater than the length of steel band direct buried pipe, but is no more than the 10cm of said steel band direct buried pipe length, that is:
The length of steel band direct buried pipe length<shoveling<steel band direct buried pipe length+10cm.
The length of said steel band direct buried pipe is 50cm.
When construction ground soil quality stabilizing property was lower than average level, the length of said steel band direct buried pipe was 20~30cm.
Step 103 is installed said bottom semicircular pipe, makes the diameter level of said bottom semicircular pipe;
Step 104 is installed said top semicircle pipe, makes said top semicircle pipe and said bottom semicircular pipe be spliced into said steel band direct buried pipe;
Step 105 is fixed said steel band direct buried pipe;
The vertical clamping plate at fixing successively said top semicircle pipe and said bottom semicircular pipe joint place.Through the said vertical clamping plate of bolt.
Repeat to cut the earth and the work of steel band direct buried pipe is installed, connect, wherein, adjacent steel band direct buried pipe is fixed together through horizontal clamping plate until pipeline.
That is, the bottom semicircular of first steel band direct buried pipe is installed successively, the top semicircle; Through the vertical clamping plate of bolt, and then bottom semicircular and top semicircle linked together, afterwards; In first steel band direct buried pipe and the port that second steel band direct buried pipe is connected, horizontal clamping plate are installed, after the lower semi-circle of treating second steel band direct buried pipe installs; Horizontal clamping plate on the lower semi-circle of the first steel band direct buried pipe are fixed through the lower semi-circle of the bolt and second direct buried pipe, the second steel band direct buried pipe upper semi-circle is installed afterwards, the horizontal clamping plate on the upper semi-circle of first direct buried pipe are connected with the upper semi-circle of the second steel band direct buried pipe; And pass through bolt; Afterwards, vertical clamping plate are installed, the upper semi-circle and the lower semi-circle of the second steel band direct buried pipe are fixed.Afterwards, be that the 3rd edge that the steel band direct buried pipe is connected install horizontal clamping plate, the 3rd steel band direct buried pipe is installed, circulation connects until pipeline in order.
Step 106 is laid power pipeline or telecommunication line in said steel band direct buried pipe;
Step 107 sandblasts and slip casting.
The present invention has realized following beneficial effect: through center and the elevation that obtains pipeline; Cut the earth according to the center of said pipeline and the external diameter of elevation and steel band direct buried pipe, said steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semicircle pipe; Said bottom semicircular pipe is installed, is made the diameter level of said bottom semicircular pipe; Said top semicircle pipe is installed, is made said top semicircle pipe and said bottom semicircular pipe be spliced into said steel band direct buried pipe; Said steel band direct buried pipe is fixed; In said steel band direct buried pipe, lay power pipeline or telecommunication line; Sandblast and slip casting, realized that low, the little caliber of cost, construction area are few, can lay the straightway pipeline also can lay the curved section pipeline, make operation easier, efficient is more efficient, has saved lot of manpower and material resources.
Through the description of above mode of execution, those skilled in the art can be well understood to the present invention and can realize through hardware, also can realize by the mode that software adds necessary general hardware platform; Based on such understanding; Technological scheme of the present invention can be come out with the embodied of software product, this software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk; Portable hard drive etc.) in; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
In a word, the above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a non-excavation pipeline construction method is characterized in that, may further comprise the steps:
Obtain the center and the elevation of pipeline;
Cut the earth according to the center of said pipeline and the external diameter of elevation and steel band direct buried pipe, said steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semicircle pipe;
Said bottom semicircular pipe is installed, is made the diameter level of said bottom semicircular pipe;
Said top semicircle pipe is installed, is made said top semicircle pipe and said bottom semicircular pipe be spliced into said steel band direct buried pipe;
Said steel band direct buried pipe is fixed;
In said steel band direct buried pipe, lay power pipeline or telecommunication line;
Sandblast and slip casting.
2. method according to claim 1 is characterized in that said center and the elevation that obtains pipeline is specially: the center and the elevation of said pipeline confirmed in the center of base area underground pipelines result of detection, present situation power pipeline and elevation, present situation well chamber and builder's yard.
3. method according to claim 1 is characterized in that, saidly cut the earth according to the center of said pipeline and the external diameter of elevation and steel band direct buried pipe, wherein:
The length of said shoveling is greater than the length of steel band direct buried pipe, but is no more than the 10cm of said steel band direct buried pipe length, that is:
The length of steel band direct buried pipe length<shoveling<steel band direct buried pipe length+10cm.
4. method according to claim 1 is characterized in that, saidly specifically comprises said steel band direct buried pipe is fixing:
The vertical clamping plate at fixing said top semicircle pipe and said bottom semicircular pipe joint place.
5. like the said method of claim 4, it is characterized in that, through the said vertical clamping plate of bolt.
6. method according to claim 1 is characterized in that, said steel band direct buried pipe is also comprised after fixing:
Repeat to cut the earth and the work of steel band direct buried pipe is installed, connect, wherein, adjacent steel band direct buried pipe is fixed together through horizontal clamping plate until pipeline.
7. like the said method of claim 3, it is characterized in that the length of said steel band direct buried pipe is 50cm.
8. like the said method of claim 3, it is characterized in that when construction ground soil quality stabilizing property was lower than average level, the length of said steel band direct buried pipe was 20~30cm.
Priority Applications (1)
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CN201210120774.9A CN102661441B (en) | 2012-04-23 | 2012-04-23 | A kind of no-dig technique pipeline construction method |
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CN201210120774.9A CN102661441B (en) | 2012-04-23 | 2012-04-23 | A kind of no-dig technique pipeline construction method |
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CN102661441A true CN102661441A (en) | 2012-09-12 |
CN102661441B CN102661441B (en) | 2016-02-24 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107620831A (en) * | 2017-09-20 | 2018-01-23 | 中铁八局集团电务工程有限公司 | A kind of construction method for passing through existing roadbed pipeline |
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2012
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CN2365498Y (en) * | 1999-02-12 | 2000-02-23 | 贾海平 | Pipe joint leaking stoppage split-flow established cutting sleeve series |
CN101265992A (en) * | 2007-11-27 | 2008-09-17 | 白建辉 | Soft and viscous material conveying pipeline waterborne pavement method and device |
KR100908913B1 (en) * | 2009-03-23 | 2009-07-23 | 최재현 | Non-digging sewerage mending apparatus and its manufacturing method |
CN102147033A (en) * | 2010-02-09 | 2011-08-10 | 中国机械工业建设总公司 | Non-excavation directional traversing construction method for thermal power pipeline |
KR20110107642A (en) * | 2010-03-25 | 2011-10-04 | (주) 경화엔지니어링 | Trenchless reparing apparatus of pipeline |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107620831A (en) * | 2017-09-20 | 2018-01-23 | 中铁八局集团电务工程有限公司 | A kind of construction method for passing through existing roadbed pipeline |
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CN102661441B (en) | 2016-02-24 |
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