CN112359881A - Supporting construction of pipeline of crossing foundation ditch - Google Patents
Supporting construction of pipeline of crossing foundation ditch Download PDFInfo
- Publication number
- CN112359881A CN112359881A CN202011157721.5A CN202011157721A CN112359881A CN 112359881 A CN112359881 A CN 112359881A CN 202011157721 A CN202011157721 A CN 202011157721A CN 112359881 A CN112359881 A CN 112359881A
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- Prior art keywords
- foundation pit
- pipeline
- crown beam
- supporting
- crown
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
-
- 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
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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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)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to the technical field of supporting structures, and discloses a supporting structure of a pipeline traversing a foundation pit, which comprises a suspension structure, a support member and a pair of foundation pit supporting structures, wherein the foundation pit supporting structures are oppositely arranged, a space for arranging the foundation pit is arranged between the foundation pit supporting structures, two ends of the support member are respectively connected with each foundation pit supporting structure, the suspension structure is arranged above each foundation pit supporting structure, and the suspension structure is used for suspending the pipeline. The invention can support the pipeline penetrating through the foundation pit, has small restriction on the pipeline migration and transformation by sites, has wider adaptation stratum, smaller influence on the pipeline, simple construction, smaller influence on the construction of the foundation pit and lower economic cost, can prevent the risk of water and sand gushing of the foundation pit, and is easy to control the construction quality.
Description
Technical Field
The invention relates to the technical field of supporting structures, in particular to a supporting structure of a pipeline crossing a foundation pit.
Background
In areas of tight land, there may be situations where underground pipelines conflict with proposed structures. When a pipeline is moved and modified, a net is hung and an anchor is sprayed on soil below the pipeline, and supporting structures are arranged on two sides of the pipeline. The pressure of the side soil below the pipeline is firstly transmitted to the spray anchor and then transmitted to the supporting structures at the two sides of the pipeline. However, the net hanging spray anchor is not suitable for the areas with abundant underground water or poor stratums, and if the reverse construction method is adopted for construction, the economic cost is high, and the construction quality cannot be guaranteed. Therefore, a supporting structure capable of adapting to a wide range of strata is required.
Disclosure of Invention
The purpose of the invention is: the supporting structure of the pipeline crossing the foundation pit is wide in adaptation to stratum and small in influence on the pipeline.
In order to achieve the purpose, the invention provides a supporting structure of a pipeline traversing a foundation pit, which comprises a suspension structure, a support member and a pair of foundation pit supporting structures, wherein the foundation pit supporting structures are oppositely arranged, a space for arranging the foundation pit is arranged between the two foundation pit supporting structures, two ends of the support member are respectively connected with each foundation pit supporting structure, the suspension structure is arranged above each foundation pit supporting structure, and the suspension structure is used for suspending the pipeline.
Optionally, the foundation pit supporting structure comprises a top beam assembly and a supporting assembly which are arranged up and down, the top beam assembly is connected with the supporting piece, and the pipeline can penetrate through the top beam assembly.
Optionally, the crown beam assembly includes a first crown beam and a second crown beam, the first crown beam is transversely disposed, the second crown beam is disposed below the first crown beam and forms a rectangular frame with the first crown beam, the pipeline passes through the rectangular frame, the first crown beam is connected with the supporting member, the supporting assembly includes a first supporting member, and the first supporting member is disposed below the second crown beam.
Optionally, the crown beam assembly further includes a third crown beam, the third crown beam is disposed at the top end of the second crown beam and extends outward along the extending direction of the first crown beam, and the supporting assembly further includes a second supporting member, and the second supporting member is disposed below the third crown beam.
Optionally, the third crown beam is also provided with the support.
Optionally, two ends of the suspension structure are respectively disposed on each first crown beam.
Optionally, a retaining wall is arranged in the rectangular frame, so that the rectangular frame is blocked, and a through hole for the pipeline to pass through is formed in the retaining wall.
Optionally, a hidden beam is arranged between the hole wall of the through hole and the outer wall of the pipeline.
Optionally, the suspension structure includes a truss and a lifting appliance, two ends of the truss are respectively disposed on each of the foundation pit supporting structures, the lifting appliance is disposed on the truss, and the lifting appliance is used for suspending a pipeline.
Optionally, the hanger is a steel frame or a steel wire rope.
The embodiment of the invention provides a supporting structure of a pipeline crossing a foundation pit, which has the following beneficial effects compared with the prior art:
the supporting structure of the pipeline crossing the foundation pit comprises a suspension structure, a support piece and a pair of foundation pit supporting structures, wherein the foundation pit supporting structures are arranged oppositely, a space for arranging the foundation pit is formed between the two supporting structures, two ends of the support piece are respectively connected with the foundation pit supporting structures, the suspension structure is arranged above the foundation pit supporting structures, and the suspension structure is used for suspending the pipeline. Through such structure, can strut the pipeline that passes through the foundation ditch, and the pipeline moves and changes and receives the place restriction little, and the adaptation stratum is comparatively extensive, and is also less to the pipeline influence, and construction is simple, and economic cost is lower.
Drawings
Fig. 1 is a schematic structural plan view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is a schematic structural view at a-a of fig. 1 before plugging according to an embodiment of the present invention.
Fig. 4 is a schematic structural view at a-a of fig. 1 after plugging in accordance with an embodiment of the present invention.
In the figure, 1, a suspension structure; 2. a support member; 3. a foundation pit supporting structure; 4. a foundation pit; 5. a pipeline; 11. a truss; 12. a spreader; 31. a crown beam assembly; 32. a support assembly; 33. retaining walls; 34. hidden beams; 311. a first crown beam; 312. a second crown beam; 313. a third crown beam; 321. a first support member; 322. a second support member.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, a supporting structure of a pipeline crossing a foundation pit according to a preferred embodiment of the present invention includes a suspension structure 1, a support member 2, and a pair of foundation pit supporting structures 3, the foundation pit supporting structures 3 are disposed opposite to each other with a space for disposing the foundation pit 4 therebetween, two ends of the support member 2 are respectively connected to the foundation pit supporting structures 3, the suspension structure 1 is disposed above each foundation pit supporting structure 3, and the suspension structure 1 is used for suspending a pipeline 5. Support piece 2 and excavation supporting construction 3 can guarantee construction safety to the strutting of the soil body of 4 both sides in excavation, can also prevent that 4 gushes water of excavation from gushing out husky risk, easily control construction quality. And the suspension structure 1 can suspend the pipeline 5, so that the safety of the pipeline 5 is ensured. Especially for longer pipelines 5, the suspension structure 1 is more able to secure the pipeline 5. The support 2 may be provided as a concrete or steel pipe. Through such structure, can strut pipeline 5 that passes through foundation ditch 4, and pipeline 5 changes to be restricted for a short time by the place, and the adaptation stratum is comparatively extensive, and is also less to pipeline 5 influence, and the construction is simple, and is also less to foundation ditch 4's construction influence moreover, and economic cost is lower, can prevent foundation ditch 4 gushing water simultaneously and gush sand risk, easily control construction quality.
Referring to fig. 3 and 4, the foundation pit supporting structure 3 includes a top beam assembly 31 and a bottom beam assembly 32, the top beam assembly 31 is connected to the supporting member 2, the pipeline 5 can pass through the top beam assembly 31, and the pipeline 5 does not affect the supporting of the bottom beam assembly 32 on the soil on both sides of the foundation pit 4. The crown beam assembly 31 comprises a first crown beam 311 and a second crown beam 312, the first crown beam 311 is transversely arranged, the second crown beam 312 is arranged below the first crown beam 311 and forms a rectangular frame with the first crown beam 311, the pipeline 5 passes through the rectangular frame, the first crown beam 311 is connected with the supporting member 2, the supporting assembly 32 comprises a first supporting member 321, and the first supporting member 321 is arranged below the second crown beam 312. Because the length of the foundation pit 4 is long, the arrangement crown beam assembly 31 further comprises a third crown beam 313, the third crown beam 313 is arranged at the top end of the second crown beam 312 and extends outwards along the extending direction of the first crown beam 311, the support assembly 32 further comprises a second support member 322, and the second support member 322 is arranged below the third crown beam 313. The third crown beam 313 is also provided with a support 2. By the arrangement, the supporting quality can be ensured. Both ends of the suspension structure 1 are respectively provided on the first crown beams 311. The stability of the suspension structure 1 is ensured, and the pipeline 5 can be smoothly suspended. A retaining wall 33 is arranged in the rectangular frame, so that the rectangular frame is blocked, and a through hole for the pipeline 5 to pass through is formed in the retaining wall 33. The retaining wall 33 can support soil around the pipeline 5, and the supporting capability of the foundation pit supporting structure 3 is further improved. A hidden beam 34 is arranged between the wall of the through hole and the outer wall of the pipeline 5. The arrangement of the hidden beam 34 can ensure the stability of the opening of the retaining wall 33. The second crown beam 312 is constructed before the first crown beam 311, and the connection condition of the retaining wall 33 is reserved on the second crown beam 312. Then the retaining wall 33 and the first crown beam 311 are cast at the same time.
Referring to fig. 1, 2 and 4, the suspension structure 1 includes a truss 11 and a spreader 12, two ends of the truss 11 are respectively disposed on the foundation pit supporting structures 3, the spreader 12 is disposed on the truss 11, and the spreader 12 is used for suspending the pipeline 5. A truss 11 spans over the foundation pit 4, and the truss 11 is disposed over the support members 2. The spreader 12 is a steel frame or a steel wire rope. The pipeline 5 is suspended by the hanger 129 to ensure the safety of the pipeline 5.
The embodiment of the invention also provides a construction method of the supporting structure of the pipeline crossing the foundation pit, which comprises the following steps:
the method comprises the following steps: second crown beam 312, third crown beam 313, bracing assembly 32 and support 2 are constructed.
Step two: moving and modifying the pipeline 5, and moving and modifying the pipeline 5 to be modified to the position above the second crown beam 312; if the pipeline 5 must be suspended in situ, the pipeline 5 may be temporarily moved to another place, and the second crown beam 312 may be moved back to the original place after the movement is completed.
Step three: the hidden beam 34, the retaining wall 33 and the first crown beam 311 are constructed.
Step four: the suspension structure 1 is erected and the pipeline 5 is suspended by means of a spreader 12.
To sum up, the embodiment of the invention provides a supporting structure of a pipeline traversing a foundation pit, which can support the pipeline 5 traversing the foundation pit 4, the migration and the transformation of the pipeline 5 are limited by a place, the adaptability to the stratum is wide, the influence on the pipeline 5 is small, the construction is simple, the influence on the construction of the foundation pit 4 is small, the economic cost is low, the risk of gushing water and sand of the foundation pit 4 can be prevented, and the construction quality is easy to control.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The supporting structure of the pipeline crossing the foundation pit is characterized by comprising suspension structures, support pieces and a pair of foundation pit supporting structures, wherein the foundation pit supporting structures are oppositely arranged, a space for arranging the foundation pit is formed between the two foundation pit supporting structures, two ends of each support piece are respectively connected with each foundation pit supporting structure, the suspension structures are arranged above each foundation pit supporting structure, and the suspension structures are used for suspending the pipeline.
2. The supporting structure of a pipeline traversing a foundation pit according to claim 1, wherein the supporting structure of the foundation pit comprises a top beam assembly and a bottom beam assembly, the top beam assembly is connected with the supporting member, and the pipeline can pass through the top beam assembly.
3. The supporting structure for the pipeline crossing the foundation pit according to claim 2, wherein the crown beam assembly comprises a first crown beam and a second crown beam, the first crown beam is transversely disposed, the second crown beam is disposed under the first crown beam and forms a rectangular frame with the first crown beam, the pipeline passes through the rectangular frame, the first crown beam is connected with the supporting member, and the supporting assembly comprises a first supporting member disposed under the second crown beam.
4. The support structure for a pipeline traversing a foundation pit according to claim 3, wherein the crown beam assembly further includes a third crown beam provided at a top end of the second crown beam and extending outward in an extending direction of the first crown beam, and the support assembly further includes a second brace provided below the third crown beam.
5. The support structure for a pipeline traversing a foundation pit of claim 4, wherein the brace member is also provided on the third crown beam.
6. The support structure for a pipeline traversing a foundation pit according to claim 3, wherein both ends of the suspension structure are respectively provided on each of the first crown beams.
7. The supporting structure of the pipeline crossing the foundation pit according to claim 3, wherein a retaining wall is arranged in the rectangular frame, so that the rectangular frame is blocked, and a through hole for the pipeline to pass through is arranged on the retaining wall.
8. The support structure for a pipeline traversing a foundation pit according to claim 3, wherein a hidden beam is provided between the wall of the through-hole and the outer wall of the pipeline.
9. The supporting structure for the pipeline crossing the foundation pit according to claim 1, wherein the suspension structure comprises a truss and a hanger, both ends of the truss are respectively provided to each of the foundation pit supporting structures, the hanger is provided on the truss, and the hanger is used for suspending the pipeline.
10. The support structure for the pipeline traversing the foundation pit of claim 9, wherein the spreader is a steel frame or a wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011157721.5A CN112359881A (en) | 2020-10-26 | 2020-10-26 | Supporting construction of pipeline of crossing foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011157721.5A CN112359881A (en) | 2020-10-26 | 2020-10-26 | Supporting construction of pipeline of crossing foundation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112359881A true CN112359881A (en) | 2021-02-12 |
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ID=74510519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011157721.5A Pending CN112359881A (en) | 2020-10-26 | 2020-10-26 | Supporting construction of pipeline of crossing foundation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112359881A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160557A (en) * | 1998-11-27 | 2000-06-13 | Taisei Corp | Landslide protection construction method |
| CN103233432A (en) * | 2013-04-26 | 2013-08-07 | 济南城建集团有限公司 | Bailey beam reverse lifting support system and construction method thereof |
| CN103321245A (en) * | 2013-06-18 | 2013-09-25 | 中铁十六局集团地铁工程有限公司 | Protection device and construction method for underground pipeline in shield driving |
| CN103486403A (en) * | 2013-10-17 | 2014-01-01 | 中国建筑第六工程局有限公司 | In-situ protection construction method of pipeline above foundation pit |
| CN105972313A (en) * | 2016-05-30 | 2016-09-28 | 广州地铁设计研究院有限公司 | Overhang method and overhang structure for engineering pipeline stretching across foundation pit |
| CN109296825A (en) * | 2018-09-29 | 2019-02-01 | 中铁第勘察设计院集团有限公司 | Major diameter bell and spigot water supply concrete pipe suspension protection system and its construction method |
| CN111173027A (en) * | 2019-12-25 | 2020-05-19 | 北京正和恒基滨水生态环境治理股份有限公司 | Construction method for reinforcing and protecting existing pipeline |
-
2020
- 2020-10-26 CN CN202011157721.5A patent/CN112359881A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160557A (en) * | 1998-11-27 | 2000-06-13 | Taisei Corp | Landslide protection construction method |
| CN103233432A (en) * | 2013-04-26 | 2013-08-07 | 济南城建集团有限公司 | Bailey beam reverse lifting support system and construction method thereof |
| CN103321245A (en) * | 2013-06-18 | 2013-09-25 | 中铁十六局集团地铁工程有限公司 | Protection device and construction method for underground pipeline in shield driving |
| CN103486403A (en) * | 2013-10-17 | 2014-01-01 | 中国建筑第六工程局有限公司 | In-situ protection construction method of pipeline above foundation pit |
| CN105972313A (en) * | 2016-05-30 | 2016-09-28 | 广州地铁设计研究院有限公司 | Overhang method and overhang structure for engineering pipeline stretching across foundation pit |
| CN109296825A (en) * | 2018-09-29 | 2019-02-01 | 中铁第勘察设计院集团有限公司 | Major diameter bell and spigot water supply concrete pipe suspension protection system and its construction method |
| CN111173027A (en) * | 2019-12-25 | 2020-05-19 | 北京正和恒基滨水生态环境治理股份有限公司 | Construction method for reinforcing and protecting existing pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 金辉等: "某地铁站深基坑开挖过程中的管线悬吊保护技术", 《陕西建筑》 * |
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Application publication date: 20210212 |