CN214994477U - Pipeline changes structure in foundation ditch - Google Patents
Pipeline changes structure in foundation ditch Download PDFInfo
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- CN214994477U CN214994477U CN202120344909.4U CN202120344909U CN214994477U CN 214994477 U CN214994477 U CN 214994477U CN 202120344909 U CN202120344909 U CN 202120344909U CN 214994477 U CN214994477 U CN 214994477U
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- pipeline
- relocation
- foundation pit
- supporting structure
- fertilizer tank
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Abstract
The utility model provides a pipeline changes structure in foundation ditch. The relocation structure is arranged in a foundation pit and comprises a relocation pipeline, a foundation pit supporting structure, a proposed basement outer wall and a fertilizer tank arranged between the foundation pit supporting structure and the proposed basement outer wall, wherein the width of the fertilizer tank is larger than the diameter of the relocation pipeline, the relocation pipeline is laid along the fertilizer tank, and the relocation pipeline is buried through a fertilizer tank backfill layer. The utility model discloses the construction is simple, convenient, thereby has avoided changing the pipeline to excavate again or wear down the town road and produce great adverse effect to town road and the safe operation that has the town pipeline once more, has guaranteed the normal operating and the maintenance of changing the pipeline, and reduction pipeline that can be very big changes the expense and practices thrift and changes the time limit for a project to this structure field is easy to operate, cost controllable, green, can realize promoting fast.
Description
Technical Field
The utility model relates to a geotechnical engineering field, concretely relates to pipeline changes structure in foundation ditch.
Background
In recent years, urban construction and transformation promote the implementation of a large number of municipal engineering projects, the adverse effect on the surrounding environment of the engineering is inevitable, and particularly, the problem of protecting the surrounding pipelines is often faced in the foundation pit supporting engineering. Due to the fact that municipal pipelines are various and comprise power pipelines, telecommunication pipelines, gas pipelines, large-diameter rain and sewage pipelines and the like, if adjacent municipal pipelines are not properly treated in the construction process of foundation pit supporting engineering, inconvenience is often brought to normal operation of the pipelines and normal production and life of merchants and the masses, and even serious economic or life loss is caused. Especially, for the pipeline section that passes through the foundation ditch, generally can only temporarily change to outside the foundation ditch, wait after the major structure construction is accomplished, change the pipeline again and move to town road below. The disadvantages of this method are on the one hand the engineering progress is affected and the construction cost is increased, on the other hand, the laying construction of the municipal road needs to pass through the built municipal road, which will again have great adverse effect on the safe operation of the municipal road and the existing municipal pipeline, and cause great risk. Therefore, it is a project problem worth exploring how to change the pipeline inside the original foundation pit to the place at one time without re-excavating or passing down the municipal road and saving the construction period cost.
Disclosure of Invention
The utility model discloses to the problem that prior art exists, a pipeline relocation structure in foundation ditch is provided, should relocate the structure and utilize foundation ditch supporting construction and the space of proposing to build the basement outer wall (fertile groove space promptly) to carry out the pipe laying, can solve the cost-push and the construction risk problem that the pipeline relocated to municipal road below exists because of the earthwork excavation brings in current foundation ditch.
In order to solve the technical problem, the utility model provides a pipeline changes structure in foundation ditch, its characterized in that: the relocation structure is arranged in a foundation pit and comprises a relocation pipeline, a foundation pit supporting structure, a proposed basement outer wall and a fertilizer tank arranged between the foundation pit supporting structure and the proposed basement outer wall, wherein the width of the fertilizer tank is larger than the diameter of the relocation pipeline, the relocation pipeline is laid along the fertilizer tank, and the relocation pipeline is buried through a fertilizer tank backfill layer.
The utility model discloses better technical scheme: the width of the fertilizer groove is at least 50cm larger than the diameter of the relocation pipeline, and the relocation pipeline is buried on the central axis of the fertilizer groove.
The utility model discloses further technical scheme: the original pipeline enters the foundation pit opening and is reserved with a connecting port, the embedding depth of the changed pipeline is the same as that of the original pipeline, the changed pipeline and the original pipeline are reserved with the connecting port arranged at the foundation pit opening and are connected, and a supporting structure is arranged at the connecting position of the changed pipeline and the original pipeline.
The utility model discloses further technical scheme: the foundation pit supporting structure comprises a slope surface supporting structure, a retaining wall, anchor cables, a slope top drainage ditch and a slope bottom drainage ditch, wherein a slope drain hole is formed in the slope surface supporting structure, and the retaining wall comprises supporting piles, waist beams and crown beams; the fertilizer groove is arranged between the retaining wall and the outer wall of the proposed basement, and the moved pipeline is buried below a waist beam of the retaining wall.
The utility model discloses better technical scheme: and arranging a maintenance well on the buried line of the relocation pipeline in a subsection mode.
The utility model discloses the construction is simple, it is convenient, confirm underground structure and planar arrangement, former pipeline size, on the basis of elevation and circuit, utilize underground structure and the space of proposing to build the basement outer wall (fertile groove space promptly), lay the pipeline after relocation along fertile groove among the completion back fertile groove backfill process of excavation supporting, avoided relocation pipeline to excavate again or wear the town road down and produce great adverse effect to town road and the safe operation that has the town pipeline once more, guaranteed the normal operating and the maintenance of relocation pipeline, reduction pipeline cost of relocation that can be very big changes the expense and practices thrift the relocation time limit for a project, and this structure is on-the-spot easy to operate, controllable with cost, green, can realize promoting fast.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic plan view of the present invention.
In the figure: 1-changing a pipeline, 2-supporting a foundation pit structure, 200-slope supporting structure, 201-retaining wall, 202-anchor rope, 203-slope top drainage ditch, 204-slope bottom drainage ditch, 205-side slope drainage hole, 3-building a basement outer wall, 4-fertilizer tank, 5-fertilizer tank backfill layer and 6-original pipeline.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Fig. 1 to 2 are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely illustrating the purpose of the embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The embodiment provides a pipeline relocation structure in a foundation pit, which is arranged in the foundation pit and comprises a relocation pipeline 1, a foundation pit supporting structure 2, a proposed basement outer wall 3 and a fertilizer tank 4 arranged between the foundation pit supporting structure 2 and the proposed basement outer wall 3, wherein the foundation pit supporting structure 2 comprises a slope supporting structure 200, a retaining wall 201, anchor ropes 202, a slope top drainage ditch 203 and a slope bottom drainage ditch 204, a slope drainage hole 205 is formed in the slope supporting structure 200, and the retaining wall 201 comprises supporting piles, waist beams and crown beams; the fertilizer groove 4 is arranged between the retaining wall 201 and the proposed basement outer wall 3, the width of the fertilizer groove 4 is at least 50cm larger than the diameter of the relocation pipeline 1, the relocation pipeline 1 is laid along the central axis of the fertilizer groove 4, the relocation pipeline 1 is buried through the fertilizer groove backfill layer 5, and the relocation pipeline 1 is buried below the waist beam of the retaining wall 201. The original pipeline 6 is reserved at the opening of the foundation pit and provided with a connection port, the burying depth of the changed pipeline 1 is the same as that of the original pipeline 6, the changed pipeline 1 and the original pipeline 6 are reserved at the connection port of the foundation pit and connected, and a supporting structure 7 is arranged at the connection position of the changed pipeline 1 and the original pipeline 6. The foundation treatment, pipeline lifting, laying and backfilling construction of the removed pipeline 12 are strictly executed according to the pipeline removal design scheme and relevant standard, and the removed pipeline 12 is provided with maintenance wells in sections so as to facilitate later maintenance.
The utility model discloses during concrete construction, according to excavation supporting design and planar arrangement, pass 6 sizes of the inside former pipeline of foundation ditch, elevation and circuit etc. confirm that the pipeline changes the scheme of migrating. The relocation pipeline 1 is laid along a gap (namely a fertilizer tank space) between the foundation pit supporting structure 2 and the proposed basement outer wall 3 in the process of backfilling the fertilizer tank after the foundation pit supporting is finished. The design scheme of the foundation pit support not only ensures the integral safety of the foundation pit and does not have great adverse effect on the surrounding environment, but also comprises a support measure for changing the connection part of the pipeline 1 and the foundation pit support structure 2. For the relocation of pipelines with larger diameters, the size, elevation and the like of the relocated pipelines can be properly and reasonably adjusted by combining the space occupied by foundation pit support, the construction characteristics of a foundation pit support structure and the like and agreeing by a designer, a municipal administration department and the like. The foundation treatment, pipeline lifting, laying and backfilling construction of the changed pipeline are strictly executed according to the pipeline changing design scheme and relevant standard, and the changed pipeline is provided with maintenance wells in sections so as to facilitate later maintenance.
The utility model discloses an implement the step as follows:
(1) determining a pipeline relocation scheme according to a foundation pit support design scheme, plane arrangement, the size, elevation, lines and the like of pipelines penetrating through the interior of a foundation pit;
(2) completing the construction of the foundation pit supporting structure 2;
(3) and laying the changed pipeline along the fertilizer tank space reserved by the foundation pit support in the backfilling process of the fertilizer tank 4 after the construction of the foundation pit support structure is finished, backfilling the fertilizer tank 4 after the laying is finished, and finally finishing the backfilling construction of the foundation pit.
The above description is only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a pipeline relocation structure in foundation ditch which characterized in that: the relocation structure is arranged in a foundation pit and comprises a relocation pipeline (1), a foundation pit supporting structure (2), a proposed basement outer wall (3) and a fertilizer tank (4) arranged between the foundation pit supporting structure (2) and the proposed basement outer wall (3), wherein the width of the fertilizer tank (4) is larger than the diameter of the relocation pipeline (1), the relocation pipeline (1) is laid along the fertilizer tank (4), and the relocation pipeline (1) is buried through a fertilizer tank backfill layer (5).
2. The relocation structure for pipeline in foundation pit according to claim 1, wherein: the width of the fertilizer groove (4) is at least 50cm larger than the diameter of the relocation pipeline (1), and the relocation pipeline (1) is embedded on the central axis of the fertilizer groove (4).
3. The structure of relocation of pipe in foundation pit according to claim 1 or 2, wherein: the original pipeline (6) enters the foundation pit opening and is reserved with a connection opening, the burying depth of the relocation pipeline (1) is the same as that of the original pipeline (6), the relocation pipeline (1) and the original pipeline (6) are reserved with the connection opening arranged at the foundation pit opening and are connected, and a supporting structure (7) is arranged at the connection position of the relocation pipeline (1) and the original pipeline (6).
4. The structure of relocation of pipe in foundation pit according to claim 1 or 2, wherein: the foundation pit supporting structure (2) comprises a slope surface supporting structure (200), a retaining wall (201), anchor cables (202), a slope top drainage ditch (203) and a slope bottom drainage ditch (204), wherein a slope surface drainage hole (203) is formed in the slope surface supporting structure (200), and the retaining wall (201) comprises supporting piles, waist beams and crown beams; the fertilizer groove (4) is arranged between the retaining wall (201) and the outer wall (3) of the proposed basement, and the relocation pipeline (1) is buried below a waist beam of the retaining wall (201).
5. The structure of relocation of pipe in foundation pit according to claim 1 or 2, wherein: and arranging maintenance wells in the buried line section of the relocation pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120344909.4U CN214994477U (en) | 2021-02-05 | 2021-02-05 | Pipeline changes structure in foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120344909.4U CN214994477U (en) | 2021-02-05 | 2021-02-05 | Pipeline changes structure in foundation ditch |
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| Publication Number | Publication Date |
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| CN214994477U true CN214994477U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120344909.4U Active CN214994477U (en) | 2021-02-05 | 2021-02-05 | Pipeline changes structure in foundation ditch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398701A (en) * | 2023-04-23 | 2023-07-07 | 中铁十一局集团有限公司 | Improved large-diameter main water pipe traversing foundation pit protection structure and construction method thereof |
-
2021
- 2021-02-05 CN CN202120344909.4U patent/CN214994477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116398701A (en) * | 2023-04-23 | 2023-07-07 | 中铁十一局集团有限公司 | Improved large-diameter main water pipe traversing foundation pit protection structure and construction method thereof |
| CN116398701B (en) * | 2023-04-23 | 2024-01-02 | 中铁十一局集团有限公司 | Improved large-diameter main water pipe traversing foundation pit protection structure and construction method thereof |
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