CN102661441B - A kind of no-dig technique pipeline construction method - Google Patents
A kind of no-dig technique pipeline construction method Download PDFInfo
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- CN102661441B CN102661441B CN201210120774.9A CN201210120774A CN102661441B CN 102661441 B CN102661441 B CN 102661441B CN 201210120774 A CN201210120774 A CN 201210120774A CN 102661441 B CN102661441 B CN 102661441B
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Abstract
The invention discloses a kind of no-dig technique pipeline construction method, by obtaining center and the elevation of pipeline; Cut the earth according to the center of described pipeline and the external diameter of elevation and steel band direct buried pipe, described steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semi-circular tube; Described bottom semicircular pipe is installed, makes the diameter level of described bottom semicircular pipe; Described top semi-circular tube is installed, makes described top semi-circular tube and described bottom semicircular pipe be spliced into described steel band direct buried pipe; Described steel band direct buried pipe is fixed; Power pipeline or telecommunication line is laid in described steel band direct buried pipe; To sandblast and slip casting, achieve that cost is low, pipe with small pipe diameter, construction area are few, can lay straightway pipeline also can lay curved section pipeline, make operation easier, efficiency is more efficient, saves a large amount of manpower and materials.
Description
Technical field
The present invention relates to pipelining field, particularly relate to a kind of no-dig technique pipeline construction method.
Background technique
Along with the development of urban construction, City Buried Pipeline is more and more intensive, and various pipeline is crisscross, and the pipeline newly laid is that excavation construction or non-excavating construction are all very difficult.Non-excavating construction method in the past, as artificial push pipe can only push up straightway; Although directional drilling machine trombone slide can lay straightway pipeline also can lay curved section pipeline, but directional drilling machine trombone slide will the center of Underground present pipeline and elevation very accurately, the precision of pipeline detection is subject to again the impact of ambient conditions, peopleware and detection instrument, and the likelihood ratio damaging other pipelines in work progress is higher; The place that the construction of tunneling shotcrete needs is large especially, and cost compare is high, can only be used for the pipeline of diameter more than 1.5 meters.
So, special need that a kind of construction area is few, cost is low, pipe with small pipe diameter, Novel pipeline laying method-spelling pipe method that straightway pipeline also can lay curved section pipeline can be laid.
Summary of the invention
For solving the problem, the invention provides a kind of no-dig technique pipeline construction method, by direct buried pipe is cut into segment, and each section is truncated into two semicircles, then progressively install, achieve that cost is low, pipe with small pipe diameter, construction area are few, can lay the object that straightway pipeline also can lay curved section pipeline.
For reaching above-mentioned effect, embodiments providing a kind of method of no-dig technique pipeline construction, comprising the following steps:
Obtain center and the elevation of pipeline;
Cut the earth according to the center of described pipeline and the external diameter of elevation and steel band direct buried pipe, described steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semi-circular tube;
Described bottom semicircular pipe is installed, makes the diameter level of described bottom semicircular pipe;
Described top semi-circular tube is installed, makes described top semi-circular tube and described bottom semicircular pipe be spliced into described steel band direct buried pipe;
Described steel band direct buried pipe is fixed;
Power pipeline or telecommunication line is laid in described steel band direct buried pipe;
Sandblast and slip casting.
The embodiment of the present invention can reach following beneficial effect: by obtaining center and the elevation of pipeline; Cut the earth according to the center of described pipeline and the external diameter of elevation and steel band direct buried pipe, described steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semi-circular tube; Described bottom semicircular pipe is installed, makes the diameter level of described bottom semicircular pipe; Described top semi-circular tube is installed, makes described top semi-circular tube and described bottom semicircular pipe be spliced into described steel band direct buried pipe; Described steel band direct buried pipe is fixed; Power pipeline or telecommunication line is laid in described steel band direct buried pipe; To sandblast and slip casting, achieve that cost is low, pipe with small pipe diameter, construction area are few, can lay straightway pipeline also can lay curved section pipeline, make operation easier, efficiency is more efficient, saves a large amount of manpower and materials.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the embodiment of the present invention, a kind of flow chart of no-dig technique pipeline construction method.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of no-dig technique pipeline construction method, as Fig. 1, comprise the following steps:
Step 101, obtains center and the elevation of pipeline;
Center and the elevation of described pipeline are determined in the center of base area underground pipelines result of detection, present situation power pipeline and elevation, present situation well room and construction site.
Step 102, cut the earth according to the center of described pipeline and the external diameter of elevation and steel band direct buried pipe, described steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semi-circular tube;
The length of described shoveling is greater than the length of steel band direct buried pipe, but is no more than the 10cm of described steel band direct buried pipe length, that is:
The length < steel band direct buried pipe length+10cm that steel band direct buried pipe length < cuts the earth.
The length of described steel band direct buried pipe is 50cm.
When construction ground soil quality stabilizing is lower than average level, the length of described steel band direct buried pipe is 20 ~ 30cm.
Step 103, installs described bottom semicircular pipe, makes the diameter level of described bottom semicircular pipe;
Step 104, installs described top semi-circular tube, makes described top semi-circular tube and described bottom semicircular pipe be spliced into described steel band direct buried pipe;
Step 105, fixes described steel band direct buried pipe;
Fix the vertical clamping plate at described top semi-circular tube and described bottom semicircular pipe joint place successively.Be bolted described vertical clamping plate.
Repeat the work of cutting the earth and installing steel band direct buried pipe, until pipeline is through, wherein, by horizontal clamping plate, adjacent steel band direct buried pipe is fixed together.
Namely, the bottom semicircular of first steel band direct buried pipe is installed successively, top semicircle, be bolted vertical clamping plate, and then bottom semicircular and top semicircle are linked together, afterwards, in the port that first steel band direct buried pipe is connected with second steel band direct buried pipe, horizontal clamping plate are installed, after treating that the lower semi-circle of second steel band direct buried pipe installs, the lower semi-circle of horizontal clamping plate in the lower semi-circle of the first steel band direct buried pipe by bolt and the second direct buried pipe is fixed, second steel band direct buried pipe upper semi-circle is installed afterwards, the upper semi-circle of horizontal clamping plate on the upper semi-circle of the first direct buried pipe with the second steel band direct buried pipe is connected, and be bolted, afterwards, vertical clamping plate are installed, the upper semi-circle of the second steel band direct buried pipe and lower semi-circle are fixed.Afterwards, be that horizontal clamping plate are installed at the 3rd edge that steel band direct buried pipe is connected, the 3rd steel band direct buried pipe be installed, circulate in turn, until pipeline is through.
Step 106, lays power pipeline or telecommunication line in described steel band direct buried pipe;
Step 107, sandblasts and slip casting.
Present invention achieves following beneficial effect: by obtaining center and the elevation of pipeline; Cut the earth according to the center of described pipeline and the external diameter of elevation and steel band direct buried pipe, described steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semi-circular tube; Described bottom semicircular pipe is installed, makes the diameter level of described bottom semicircular pipe; Described top semi-circular tube is installed, makes described top semi-circular tube and described bottom semicircular pipe be spliced into described steel band direct buried pipe; Described steel band direct buried pipe is fixed; Power pipeline or telecommunication line is laid in described steel band direct buried pipe; To sandblast and slip casting, achieve that cost is low, pipe with small pipe diameter, construction area are few, can lay straightway pipeline also can lay curved section pipeline, make operation easier, efficiency is more efficient, saves a large amount of manpower and materials.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention can pass through hardware implementing, the mode that also can add necessary general hardware platform by software realizes, based on such understanding, technological scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform method described in the present invention each embodiment.
In a word, the foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a no-dig technique pipeline construction method, is characterized in that, comprises the following steps:
Obtain center and the elevation of pipeline;
Cut the earth according to the center of described pipeline and the external diameter of elevation and steel band direct buried pipe, described steel band direct buried pipe comprises sliceable bottom semicircular pipe and top semi-circular tube;
Described bottom semicircular pipe is installed, makes the diameter level of described bottom semicircular pipe;
Described top semi-circular tube is installed, makes described top semi-circular tube and described bottom semicircular pipe be spliced into described steel band direct buried pipe;
Described steel band direct buried pipe is fixed;
Power pipeline or telecommunication line is laid in described steel band direct buried pipe;
Sandblast and slip casting;
Described described steel band direct buried pipe being fixed specifically comprises:
The vertical clamping plate at fixing described top semi-circular tube and described bottom semicircular pipe joint place.
2. method as claimed in claim 1, it is characterized in that, center and the elevation of described acquisition pipeline are specially: center and the elevation of described pipeline are determined in the center of base area underground pipelines result of detection, present situation power pipeline and elevation, present situation well room and construction site.
3. method as claimed in claim 1, it is characterized in that, the external diameter of the described center according to described pipeline and elevation and steel band direct buried pipe is cut the earth, wherein:
The length of described shoveling is greater than the length of steel band direct buried pipe, but is no more than the 10cm of described steel band direct buried pipe length, that is:
The length < steel band direct buried pipe length+10cm that steel band direct buried pipe length < cuts the earth.
4. method as claimed in claim 1, is characterized in that, be bolted described vertical clamping plate.
5. method as claimed in claim 1, is characterized in that, also comprises after described steel band direct buried pipe is fixing:
Repeat the work of cutting the earth and installing steel band direct buried pipe, until pipeline is through, wherein, by horizontal clamping plate, adjacent steel band direct buried pipe is fixed together.
6. method as claimed in claim 3, it is characterized in that, the length of described steel band direct buried pipe is 50cm.
7. method as claimed in claim 3, it is characterized in that, when construction ground soil quality stabilizing is lower than average level, the length of described steel band direct buried pipe is 20 ~ 30cm.
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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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CN102661441B true CN102661441B (en) | 2016-02-24 |
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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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