CN113700936A - Construction method for laying underground drainage pipeline - Google Patents
Construction method for laying underground drainage pipeline Download PDFInfo
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- CN113700936A CN113700936A CN202111054924.6A CN202111054924A CN113700936A CN 113700936 A CN113700936 A CN 113700936A CN 202111054924 A CN202111054924 A CN 202111054924A CN 113700936 A CN113700936 A CN 113700936A
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- channel
- pipeline
- foundation pit
- wall
- foundation
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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
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention relates to a construction method for laying underground drainage pipelines, which comprises the following steps of S1, carrying out measurement and paying-off work, foundation pit positioning and excavation line protection work before construction; s2, excavating a foundation pit, and installing equipment inside the foundation pit; s3, excavating a channel, discharging sewage, pulling back and reaming, and performing slurry wall protection; s4, moving the steel bar frame and the pipeline into the channel, dragging the steel bar frame to move into the channel, and excavating the channel between the two foundation pits; through the arrangement of the steel bar framework, a good supporting effect can be formed between the channel and the pipeline, and the stability of the channel can be improved after grouting; through the setting of basic pit lid and connecting pipe, can the person of facilitating the use open the foundation ditch lid and overhaul the pipeline, can avoid need excavating the step of foundation ditch when overhauing the pipeline, use manpower sparingly, material resources and financial resources to supporting mechanism can play good supporting effect to basic pit lid and pipeline, and then increases the steadiness of foundation ditch.
Description
Technical Field
The invention relates to the technical field of underground drainage pipeline laying, in particular to a construction method for underground drainage pipeline laying.
Background
An underground pipe is a pipe laid underground for transporting liquids, gases or loose solids. The Chinese ancient times have adopted underground drainage pipelines fired by pottery clay. In Mingdu, Beijing is built, and a great amount of bricks and bars are adopted to build underground drainage pipelines. The width is about 1 meter and the height is about 2 meters. Modern underground pipelines are various in types, and have various cross section forms such as circular, elliptical, semi-elliptical, multi-heart-shaped, oval, rectangular (single hole, double holes and multiple holes), horseshoe-shaped and the like, and are built by adopting materials such as steel, cast iron, concrete, reinforced concrete, prestressed concrete, bricks, stone, asbestos cement, pottery clay, plastics, glass fiber reinforced plastics (reinforced plastics) and the like, an underground drainage pipeline also belongs to one of the underground pipelines, and the laying means of the underground pipelines are divided into excavation and non-excavation modes.
However, when the existing underground drainage pipeline is laid, the stability between the underground drainage pipeline and the channel needs to be further improved. Accordingly, those skilled in the art have provided a construction method for underground drainage pipeline laying to solve the problems set forth in the above background art.
Disclosure of Invention
In order to solve the problems of the background art, the invention provides a construction method for laying an underground drainage pipeline.
The construction method for laying the underground drainage pipeline adopts the following technical scheme:
a construction method for laying underground drainage pipelines comprises the following steps:
s1, before construction, carrying out measurement and setting-out work, foundation pit positioning and excavation line protection work;
s2, excavating a foundation pit, and installing equipment inside the foundation pit;
s3, excavating a channel, discharging sewage, pulling back and reaming, and performing slurry wall protection;
s4, moving the steel bar frame and the pipeline into the channel, dragging the steel bar frame to move into the channel, fixing the steel bar frame in the channel after digging through the channel between the two foundation pits, then dragging the pipeline into the steel bar frame, plugging two ends of the channel by using templates, and grouting between the outer wall of the pipeline and the inner wall of the channel;
s5, repeating the steps between the other two adjacent foundation pits, and installing a connecting pipe between the two pipelines;
s6, forming a foundation pit retaining wall by the brick-concrete structure on the periphery of the foundation pit, arranging a foundation pit cover flush with the ground above the foundation pit, and arranging a plurality of supporting mechanisms for supporting the foundation pit cover between the foundation pit and the foundation pit cover.
Preferably, in S4, the reinforcing steel bar frame is in the shape of an annular channel, and the formwork can block the gap between the outer wall of the pipeline and the inner wall of the channel.
Preferably, in S5, movable pipes are disposed at positions of the outer wall of the connecting pipe close to the two ends, and one ends of the two movable pipes are movably connected to the outer wall of the connecting pipe.
Preferably, the other ends of the two movable pipes are respectively inserted into the corresponding pipelines, and the outer walls of the movable pipes and the pipelines are wound with dressing.
Preferably, in S6, the support mechanism includes two first supports disposed on the bottom wall of the foundation pit retaining wall, and a second support is disposed between the two first supports, the second support and the first supports both abut against the lower surface of the foundation pit cover, the two second supports are disposed on both sides of the pipeline, and the first supports are disposed above the pipeline.
Preferably, the second support is formed by a plurality of triangular structures, and the first support is of a triangular structure.
Preferably, the lower part of the pipeline positioned in the foundation pit is provided with a supporting plate, and a rubber pad is arranged between the supporting plate and the pipeline.
In summary, the invention has the following beneficial technical effects:
through the arrangement of the steel bar framework, a good supporting effect can be formed between the channel and the pipeline, and the stability of the channel can be improved after grouting; through the setting of basic pit lid and connecting pipe, can the person of facilitating the use open the foundation ditch lid and overhaul the pipeline, can avoid need excavating the step of foundation ditch when overhauing the pipeline, use manpower sparingly, material resources and financial resources to supporting mechanism can play good supporting effect to basic pit lid and pipeline, and then increases the steadiness of foundation ditch.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic view of the structure of the connecting tube of the present invention;
fig. 3 is a schematic structural view of the support mechanism of the present invention.
Detailed Description
Referring to fig. 1-3, all other embodiments obtained by those skilled in the art without inventive work are within the scope of the present invention.
The invention provides a technical scheme that:
a construction method for laying underground drainage pipelines comprises the following steps:
s1, before construction, carrying out measurement and setting-out work, foundation pit positioning and excavation line protection work;
s2, excavating a foundation pit, and installing equipment in the foundation pit (the equipment comprises a guide detector, a guide drilling machine and a hydraulic pipe jacking machine);
s3, excavating a channel, discharging sewage, pulling back and reaming, and performing slurry wall protection;
s4, moving the steel bar frame and the pipeline into the channel, dragging the steel bar frame to move into the channel, fixing the steel bar frame in the channel after the channel between the two foundation pits is excavated, then dragging the pipeline into the steel bar frame, plugging two ends of the channel by using templates, grouting between the outer wall of the pipeline and the inner wall of the channel, wherein the steel bar frame is in an annular channel shape, and the templates can plug the space between the outer wall of the pipeline and the inner wall of the channel;
s5, repeating the steps between two adjacent foundation pits, installing a connecting pipe between the two pipelines, arranging movable pipes at the positions, close to the two ends, of the outer wall of the connecting pipe, wherein one ends of the two movable pipes are movably connected with the outer wall of the connecting pipe, the other ends of the two movable pipes are respectively inserted into the corresponding pipelines, and the outer walls of the movable pipes and the pipelines are wound with dressing;
s6, the outer wall of connecting pipe is close to the position at both ends and all is equipped with the movable tube, and the one end of two movable tubes all with the outer wall swing joint of connecting pipe, and be equipped with the foundation ditch lid that flushes with ground in the top of foundation ditch, be equipped with a plurality of supporting mechanism that are used for supporting the foundation ditch lid between foundation ditch and the foundation ditch lid, supporting mechanism is including establishing two first supports at foundation ditch dado diapire, and be equipped with the second support between two first supports, second support and first support all contradict with the lower surface of foundation ditch lid, two second supports are located the both sides of pipeline, first support is located the top of pipeline, the second support comprises a plurality of triangle-shaped structures, first support is the triangle-shaped structure, the below that is located the inside pipeline of foundation ditch is equipped with the backup pad, be equipped with the rubber pad between backup pad and pipeline.
The principle of a construction method for laying underground drainage pipelines is as follows: the underground pipeline is laid by adopting a non-excavation construction mode, so that the labor, material and financial resources can be saved, a good supporting effect can be formed between the channel and the pipeline by arranging the steel bar framework, and the stability of the channel can be improved after grouting; through the setting of basic pit lid and connecting pipe, can the person of facilitating the use open the foundation pit lid and overhaul the pipeline, through the setting of supporting mechanism, can play good supporting effect to basic pit lid and pipeline, and then increase the steadiness of foundation pit, can also avoid need excavating the step of foundation pit when overhauing the pipeline, use manpower sparingly, material resources and financial resources.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A construction method for laying underground drainage pipelines is characterized by comprising the following steps:
s1, before construction, carrying out measurement and setting-out work, foundation pit positioning and excavation line protection work;
s2, excavating a foundation pit, and installing equipment inside the foundation pit;
s3, excavating a channel, discharging sewage, pulling back and reaming, and performing slurry wall protection;
s4, moving the steel bar frame and the pipeline into the channel, dragging the steel bar frame to move into the channel, fixing the steel bar frame in the channel after digging through the channel between the two foundation pits, then dragging the pipeline into the steel bar frame, plugging two ends of the channel by using templates, and grouting between the outer wall of the pipeline and the inner wall of the channel;
s5, repeating the steps between the other two adjacent foundation pits, and installing a connecting pipe between the two pipelines;
s6, forming a foundation pit retaining wall by the brick-concrete structure on the periphery of the foundation pit, arranging a foundation pit cover flush with the ground above the foundation pit, and arranging a plurality of supporting mechanisms for supporting the foundation pit cover between the foundation pit and the foundation pit cover.
2. The construction method for laying an underground drainage pipeline according to claim 1, wherein: in S4, the steel bar frame is in the shape of an annular channel, and the template can seal the space between the outer wall of the pipeline and the inner wall of the channel.
3. The construction method for laying an underground drainage pipeline according to claim 1, wherein: and in the S5, movable pipes are arranged at the positions, close to the two ends, of the outer wall of the connecting pipe, and one ends of the two movable pipes are movably connected with the outer wall of the connecting pipe.
4. A construction method for laying an underground drainpipe according to claim 3, wherein: the other ends of the two movable pipes are respectively inserted with the corresponding pipelines, and the outer walls of the movable pipes and the pipelines are wound with dressing.
5. The construction method for laying an underground drainage pipeline according to claim 1, wherein: s6, the supporting mechanism comprises two first supports arranged on the bottom wall of the foundation pit retaining wall, a second support is arranged between the two first supports, the second support and the first supports are both abutted to the lower surface of the foundation pit cover, the two second supports are located on two sides of the pipeline, and the first supports are located above the pipeline.
6. The construction method for laying an underground drainage pipeline according to claim 5, wherein: the second support is composed of a plurality of triangular structures, and the first support is a triangular structure.
7. The construction method for laying an underground drainage pipeline according to claim 1, wherein: and in the S6, a supporting plate is arranged below the pipeline in the foundation pit, and a rubber pad is arranged between the supporting plate and the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054924.6A CN113700936A (en) | 2021-09-09 | 2021-09-09 | Construction method for laying underground drainage pipeline |
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| CN202111054924.6A CN113700936A (en) | 2021-09-09 | 2021-09-09 | Construction method for laying underground drainage pipeline |
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| CN113700936A true CN113700936A (en) | 2021-11-26 |
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| CN202111054924.6A Pending CN113700936A (en) | 2021-09-09 | 2021-09-09 | Construction method for laying underground drainage pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321493A (en) * | 2021-11-30 | 2022-04-12 | 中国一冶集团有限公司 | Pipeline installation fixing support and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20211126 |