CN112095619A - Protection device for underground original pipeline and construction method thereof - Google Patents
Protection device for underground original pipeline and construction method thereof Download PDFInfo
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- CN112095619A CN112095619A CN202010936087.9A CN202010936087A CN112095619A CN 112095619 A CN112095619 A CN 112095619A CN 202010936087 A CN202010936087 A CN 202010936087A CN 112095619 A CN112095619 A CN 112095619A
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- 238000010276 construction Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 70
- 239000010959 steel Substances 0.000 claims description 70
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
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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
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- 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 discloses a protection device for an original underground pipeline and a construction method of the protection device, and the protection device comprises an upper bent frame, a U-shaped hanging frame, a vertical support frame and support piers, wherein the support piers comprise concrete main bodies arranged outside an upper opening line of a foundation pit, two pairs of support piers are arranged, the upper bent frame comprises bent rods and a first connecting rod, the U-shaped hanging frame is fixedly arranged on the first connecting rod and extends to the bottom end of the first connecting rod, the pipeline is lapped on the U-shaped hanging frame, the vertical support frame comprises a support rod and a second connecting rod, and the bottom end of the support rod is inserted into the. The pipeline is protected by utilizing a suspension method. The technical problem that the underground pipelines in the foundation pit cannot be protected due to the fact that temporary supporting can not be carried out by using surrounding buildings for protecting the underground pipelines in the foundation pit is solved. Safe and reliable, easy dismounting, high recycling rate, land saving, civilization and environmental protection, good popularization and practical value and wide application range.
Description
Technical Field
The invention belongs to the technical field of constructional engineering and municipal engineering, and particularly relates to a protection device for an underground original pipeline and a construction method thereof.
Background
Along with the development of cities, and the improvement of the daily living standard of people, the urban underground pipeline system is more and more complex and changeable as an important guarantee for guaranteeing the normal function expansion and daily use and maintenance of the cities.
At present, most underground pipelines still have the phenomena of comprehensive and staggered pipelines, disordered pipeline construction and management of pipelines.
For construction projects, especially for municipal works, it is important to protect the original underground pipelines to minimize the influence on the surrounding environment and the normal life of people during the construction process.
However, in the prior art, the underground pipelines in the foundation pit cannot be protected because the underground pipelines cannot be temporarily supported by surrounding buildings.
Disclosure of Invention
The invention provides a protection device for an original underground pipeline and a construction method thereof, which are used for solving the technical problem that the underground pipeline in a foundation pit cannot be protected because the underground pipeline in the foundation pit cannot be temporarily supported by peripheral buildings.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a protection device for original pipeline in underground, includes upper portion framed bent, U type gallows, vertical support frame and support mound, support the mound including setting up the concrete main part in the foundation ditch upper shed line outside, be located the pre-buried connecting piece on concrete main part top and set up the rag bolt at pre-buried connecting piece top, the support mound sets up two pairs, and the upper portion framed bent includes two and connects through rag bolt respectively and every to the tier pole on support mound top and connect a plurality of connecting rods one between two tier poles, the fixed setting of U type gallows just extends a connecting rod bottom on the connecting rod one, and the pipeline overlap joint is on U type gallows, and vertical support frame includes two respectively connects the bracing piece in two tier pole bottoms and connects a plurality of connecting rods two between two bracing pieces, and the foundation ditch is bored at the bottom of bracing piece is.
Through adopting the above technical scheme, set up the support mound in the foundation ditch upper shed outside, set up the framed bent on the support mound, the framed bent bottom sets up vertical support frame and consolidates, set up U type gallows on the framed bent of upper portion, the pipeline is located U type gallows, the method that has utilized to suspend in midair has protected the pipeline, the protection to underground line in the foundation ditch has been solved, because can't utilize peripheral building to carry out interim support, consequently, can't carry out the technical problem of protection to underground line in the foundation ditch, safety and reliability, easy dismounting, the rate of cyclic utilization is high, the characteristics of saving land and civilization environmental protection, there are fine popularization and practical value, application scope is wide.
Preferably, the row rods and the support rods are made of I-shaped steel, the first connecting rod and the second connecting rod are made of channel steel, and the channel steel is welded in a groove of the I-shaped steel.
By adopting the technical scheme, the material is commonly used, the structural strength is high, and the material is convenient to obtain.
Preferably, the top end of the first connecting rod is fixedly provided with a vertical rod, the U-shaped hanging bracket comprises a steel wire rope hung on the vertical rod and a tensioner matched with the steel wire rope, the pipeline is hung on the steel wire rope, an anti-slip mat is arranged between the steel wire rope and the pipeline, and the anti-slip mat is a rock wool quilt.
By adopting the technical scheme, the flexible material pipelines with smaller diameter and lighter weight, such as common gas pipes, are preferably suspended and protected by adopting a steel wire rope and strainer mode.
Preferably, the upright stanchion is provided with a plurality of positions along the length direction of the first connecting rod.
Through adopting above-mentioned technical scheme, can select different pole settings to hang to the pipeline of different models to can adjust and hang the angle.
Preferably, the U-shaped hanger comprises a U-shaped frame fixedly welded at the bottom end of the connecting rod and an anti-skid base plate positioned at the bottom of the U-shaped round steel frame.
By adopting the technical scheme, the rigid material pipelines with larger diameters and larger mass such as common cast iron water pipes are suitable to be matched with a U-shaped steel frame and an anti-skid base plate for use.
Preferably, the tier pole has the multistage end to end connection to form, connects through connecting device, and connecting device includes reinforcing bar and fixed steel sheet, and the reinforcing bar welding is on adjacent two sections tier poles, and fixed steel sheet connects respectively on adjacent tier poles through high strength bolt, and fixed steel sheet sets up with connecting rod one stagger.
Through adopting above-mentioned technical scheme, arrange pole simple to operate.
Preferably, the bottom end of the row rod is fixedly connected with a first connecting steel plate, the top end of the supporting rod is fixedly connected with a second connecting steel plate, and the first connecting steel plate and the second connecting steel plate are connected through a high-strength bolt.
Through adopting above-mentioned technical scheme, arrange the high joint strength of pole and bracing piece, simple to operate can dismantle used repeatedly.
Preferably, the support bars are arranged at two positions and are respectively positioned at 1/3 and 2/3 in the longitudinal direction of the row bars, and the depth of the support bars inserted into the soil layer is more than 500 mm.
Through adopting above-mentioned technical scheme, bearing structure is stable.
A construction method of a protection device for an underground original pipeline comprises the following steps,
and 5, arranging a support pier outside the upper opening line of the foundation pit, inserting the support rod into the soil layer, connecting the upper bent frame with the support pier through foundation bolts, connecting the support rod with the vertical support frame through a high-strength bolt, a first connecting steel plate and a second connecting steel plate, and connecting a U-shaped hanger on the first connecting rod to complete suspension protection of the pipeline.
The invention has the beneficial effects that: set up the support mound in the foundation ditch oral cavity line outside, set up the framed bent on the support mound, the framed bent bottom sets up vertical support frame and consolidates, set up U type gallows on the framed bent of upper portion, the pipeline is located U type gallows, the method that has utilized to suspend in midair has protected the pipeline, the protection to underground pipeline in the foundation ditch has been solved, because can't utilize peripheral building to carry out interim support, consequently, can't carry out the technical problem protected to underground pipeline in the foundation ditch, safety and reliability, easy dismounting, the cyclic utilization rate is high, the characteristics of land use saving and civilization environmental protection, there are fine popularization and practical value, application scope is wide.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic structural view of a support pier of an embodiment of the invention;
FIG. 3 is a schematic structural view of an upper bent according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a U-shaped hanger according to an embodiment of the present invention;
FIG. 5 is a schematic view of another U-shaped hanger according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a vertical support frame according to an embodiment of the present invention.
Reference numerals: 1. an upper bent; 11. arranging rods; 12. a first connecting rod; 13. erecting a rod; 14. a connecting device; 15. connecting a first steel plate; 2. a U-shaped hanging bracket; 21. a wire rope; 22. a tensioner; 23. a non-slip mat; 24. a U-shaped round steel frame; 25. an anti-skid backing plate; 3. a vertical support frame; 31. a support bar; 32. a second connecting rod; 33. connecting a second steel plate; 4. supporting piers; 41. a concrete body; 42. pre-burying a connecting piece; 43. anchor bolts; 5. a pipeline.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Referring to fig. 1, a protection device for an underground original pipeline comprises an upper bent frame 1, a U-shaped hanger 2, a vertical support frame 3 and support piers 4, referring to fig. 2, each support pier 4 comprises a concrete body 41 arranged outside an upper opening line of a foundation pit, an embedded connector 42 arranged at the top end of the concrete body 41 and anchor bolts 43 arranged at the top of the embedded connector 42, two pairs of support piers 4 are arranged, referring to fig. 3, the upper bent frame 1 comprises two bent frames 11 respectively connected to the top ends of each pair of support piers 4 through the anchor bolts 43 and a plurality of first connecting rods 12 connected between the two bent frames 11, referring to fig. 4 and 5, the U-shaped hanger 2 is fixedly arranged on the first connecting rods 12 and extends to the bottom ends of the first connecting rods 12, the pipeline 5 is lapped on the U-shaped hanger 2, referring to fig. 6, the vertical support frame 3 comprises two support rods 31 respectively connected to the bottom ends of the two bent frames 11 and a plurality of second connecting rods 32 connected between, the bottom end of the support rod 31 is inserted into the bottom of the foundation pit.
Set up support pier 4 in the foundation ditch oral siphon outside, set up the framed bent on the support pier 4, the framed bent bottom sets up vertical support frame 3 and consolidates, set up U type gallows 2 on the framed bent 1 of upper portion, pipeline 5 is located U type gallows 2, the method of having utilized suspending in midair has protected pipeline 5, the protection to pipeline 5 in the foundation ditch has been solved, because can't utilize peripheral building to carry out interim support, consequently, can't carry out the technical problem of protection to pipeline 5 in the foundation ditch, safe and reliable, easy dismounting, the rate of cyclic utilization is high, save land used and civilized environmental protection's characteristics, there are fine popularization and practical value, application scope is wide.
The row rods 11 and the support rods 31 are made of I-shaped steel, the first connecting rods 12 and the second connecting rods 32 are made of channel steel, and the channel steel is welded in grooves of the I-shaped steel and made of common materials, so that the structural strength is high, and materials are convenient to obtain.
As shown in fig. 4, for a flexible material pipe with a small diameter and light weight, such as a general gas pipe, it is preferable to suspend and protect the pipe by a wire rope 21 and a tensioner 22. The top end of the first connecting rod 12 is fixedly provided with a vertical upright rod 13, the U-shaped hanging bracket 2 comprises a steel wire rope 21 hung on the upright rod 13 and a tensioner 22 matched with the steel wire rope 21, the pipeline 5 is hung on the steel wire rope 21, an anti-slip mat 23 is arranged between the steel wire rope 21 and the pipeline 5, the anti-slip mat 23 is a rock wool quilt, and the steel wire rope 21 is twisted into a main rope by adopting 4 single ropes. The upright rods 13 are arranged at a plurality of positions along the length direction of the first connecting rod 12. Different vertical rods 13 can be selected for hanging different models of pipelines 5, so that the hanging angle can be adjusted.
As shown in FIG. 5, for the rigid material pipes with larger diameter and larger mass, such as the general cast iron water pipes, the U-shaped steel frame and the anti-skid pad 23 plate are suitable for matching use. The U-shaped hanging bracket 2 comprises a U-shaped frame fixedly welded at the bottom end of the first connecting rod 12 and a non-slip mat 23 plate positioned at the bottom of the U-shaped round steel frame 24.
Row's pole 11 has the multistage end to form, connects through connecting device 14, and connecting device 14 includes reinforcing bar and fixed steel sheet, and the reinforcing bar welding is on adjacent two sections row poles 11, and fixed steel sheet passes through high strength bolt to be connected respectively on adjacent row poles 11, and fixed steel sheet staggers the setting with connecting rod 12, row pole 11 simple to operate.
Arrange the bottom fixedly connected with connecting steel plate 15 of pole 11, the top fixedly connected with connecting steel plate two 33 of bracing piece 31, connecting steel plate 15 and connecting steel plate two 33 are through high strength bolt connection, arrange the joint strength height of pole 11 and bracing piece 31, simple to operate can dismantle used repeatedly. The support rods 31 are arranged at two positions and are respectively positioned at 1/3 and 2/3 in the longitudinal direction of the row rods 11, the depth of the support rods 31 inserted into the soil layer is more than 500mm, and the support structure is stable.
The construction method comprises the following steps of,
and 5, arranging the support pier 4 outside the upper opening line of the foundation pit, inserting the support rod 31 into the soil layer, connecting the upper bent frame 1 and the support pier 4 through the foundation bolt 43, connecting the support rod 31 and the vertical support frame 3 through the high-strength bolt, the first connecting steel plate 15 and the second connecting steel plate 33, and connecting the U-shaped hanger 2 on the first connecting rod 12 to complete suspension protection of the pipeline 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (9)
1. A protection device for an underground original pipeline is characterized in that: including upper portion framed bent (1), U type gallows (2), vertical support frame (3) and support mound (4), support mound (4) including setting up concrete subject (41) in the foundation ditch upper shed line outside, be located pre-buried connecting piece (42) on concrete subject (41) top and set up rag bolt (43) at pre-buried connecting piece (42) top, support mound (4) set up two pairs, and upper portion framed bent (1) includes that two are connected respectively through rag bolt (43) are every to the row pole (11) on support mound (4) top and connect a plurality of connecting rod one (12) between two row poles (11), U type gallows (2) are fixed to be set up on connecting rod one (12) and extend connecting rod one (12) bottom, and pipeline (5) overlap joint is on U type gallows (2), and vertical support frame (3) include respectively two are connected respectively at bracing piece (31) of two row poles (11) bottom and connect many connecting poles between two bracing pieces (31) And the bottom end of the support rod (31) is inserted into the bottom of the foundation pit.
2. A protection device for an underground existing pipeline according to claim 1, wherein: the row rods (11) and the supporting rods (31) are made of I-shaped steel, the first connecting rods (12) and the second connecting rods (32) are made of channel steel, and the channel steel is welded in grooves of the I-shaped steel.
3. A protection device for an underground existing pipeline according to claim 2, wherein: the top end of the first connecting rod (12) is fixedly provided with a vertical upright rod (13), the U-shaped hanging bracket (2) comprises a steel wire rope (21) hung on the upright rod (13) and a tensioner (22) matched with the steel wire rope (21), the pipeline (5) is hung on the steel wire rope (21), an anti-skid pad (23) is arranged between the steel wire rope (21) and the pipeline (5), and the anti-skid pad (23) is a rock wool quilt.
4. A protection device for underground existing pipelines (5) according to claim 3, characterized in that: the upright rod (13) is provided with a plurality of positions along the length direction of the first connecting rod (12).
5. A protection device for underground existing pipelines (5) according to claim 2, characterized in that: the U-shaped hanging bracket (2) comprises a U-shaped frame fixedly welded at the bottom end of the first connecting rod (12) and an anti-slip pad (23) plate positioned at the bottom of the U-shaped round steel frame (24).
6. A protection device for an underground existing pipeline according to claim 1, wherein: arrange pole (11) and have the multistage end to form, connect through connecting device (14), connecting device (14) include reinforcing bar and fixed steel sheet, and the reinforcing bar welding is on adjacent two sections row pole (11), and fixed steel sheet passes through high strength bolt to be connected respectively on adjacent row pole (11), and fixed steel sheet staggers the setting with connecting rod (12).
7. A protection device for an underground existing pipeline according to claim 1, wherein: the bottom end of the row rod (11) is fixedly connected with a first connecting steel plate (15), the top end of the support rod (31) is fixedly connected with a second connecting steel plate (33), and the first connecting steel plate (15) and the second connecting steel plate (33) are connected through high-strength bolts.
8. A protection device for an underground existing pipeline according to claim 1, wherein: the supporting rods (31) are provided with two positions which are respectively located at 1/3 and 2/3 of the row rods (11) in the longitudinal direction, and the depth of the supporting rods (31) inserted into the soil layer is larger than 500 mm.
9. A method of constructing a protective device for an underground existing pipeline according to any one of claims 1 to 8, wherein: comprises the following steps of (a) carrying out,
step 1, modeling is carried out to calculate the models and the sizes of a row rod (11) and a connecting rod I (12) so as to meet actual requirements, a supporting rod (31) is the same as the row rod (11), a connecting rod II (32) is the same as the connecting rod I (12), and an upper bent (1) and a vertical supporting frame (3) are manufactured;
step 2, prefabricating a support pier (4), prefabricating the support pier outside the field in advance, wherein the section size of the embedded connecting piece (42) is 10mm larger than four sides of the section size of the concrete main body (41);
step 3, modeling and calculating the model and the size of the supporting rod (31), and preparing a steel wire rope (21) and a tensioner (22);
step 4, welding a first steel plate (15) at the bottom end of the row rod (11); the top end of the support rod (31) is welded with a second steel plate (33);
and 5, arranging the support pier (4) outside the upper opening line of the foundation pit, inserting the support rod (31) into the soil layer, connecting the upper bent frame (1) with the support pier (4) through the foundation bolt (43), connecting the support rod (31) with the vertical support frame (3) through the high-strength bolt, the first connecting steel plate (15) and the second connecting steel plate (33), and connecting the U-shaped hanger (2) on the first connecting rod (12) to complete suspension protection of the pipeline (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936087.9A CN112095619A (en) | 2020-09-08 | 2020-09-08 | Protection device for underground original pipeline and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936087.9A CN112095619A (en) | 2020-09-08 | 2020-09-08 | Protection device for underground original pipeline and construction method thereof |
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| CN112095619A true CN112095619A (en) | 2020-12-18 |
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| CN202010936087.9A Pending CN112095619A (en) | 2020-09-08 | 2020-09-08 | Protection device for underground original pipeline and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482044A (en) * | 2021-07-19 | 2021-10-08 | 中国葛洲坝集团市政工程有限公司 | Power pipeline relocation method for invading subway station structure |
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| CN104676110A (en) * | 2015-01-22 | 2015-06-03 | 中国地质大学（武汉） | On-site overhanging protection method of high-voltage cable bailey truss under condition of excavation of foundation pit |
| CN110230730A (en) * | 2019-05-20 | 2019-09-13 | 中国二冶集团有限公司 | The construction method reinforced for pipeline |
| CN210712852U (en) * | 2019-08-02 | 2020-06-09 | 中建三局第二建设工程有限责任公司 | Municipal administration communication pipeline suspension type protection device |
| CN111396634A (en) * | 2020-05-07 | 2020-07-10 | 广州市市政工程机械施工有限公司 | Suspension protection system and protection method for existing large-diameter pipeline |
| CN111576446A (en) * | 2020-06-10 | 2020-08-25 | 中铁四局集团有限公司 | In-situ protection device for pressure pipeline in underground foundation pit and construction method |
| CN213461075U (en) * | 2020-09-08 | 2021-06-15 | 中建一局集团第二建筑有限公司 | Protection device for underground original pipeline |
-
2020
- 2020-09-08 CN CN202010936087.9A patent/CN112095619A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332050A (en) * | 1997-05-29 | 1998-12-15 | Taisei Corp | Temporary supporting method of pipeline frame |
| CN104676110A (en) * | 2015-01-22 | 2015-06-03 | 中国地质大学（武汉） | On-site overhanging protection method of high-voltage cable bailey truss under condition of excavation of foundation pit |
| CN110230730A (en) * | 2019-05-20 | 2019-09-13 | 中国二冶集团有限公司 | The construction method reinforced for pipeline |
| CN210712852U (en) * | 2019-08-02 | 2020-06-09 | 中建三局第二建设工程有限责任公司 | Municipal administration communication pipeline suspension type protection device |
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| CN111576446A (en) * | 2020-06-10 | 2020-08-25 | 中铁四局集团有限公司 | In-situ protection device for pressure pipeline in underground foundation pit and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113482044A (en) * | 2021-07-19 | 2021-10-08 | 中国葛洲坝集团市政工程有限公司 | Power pipeline relocation method for invading subway station structure |
| CN113482044B (en) * | 2021-07-19 | 2022-06-03 | 中国葛洲坝集团市政工程有限公司 | Power pipeline relocation method for invading subway station structure |
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Application publication date: 20201218 |
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