CN106120799A - Underground utilities are exempted to change across foundation ditch and are moved construction method - Google Patents
Underground utilities are exempted to change across foundation ditch and are moved construction method Download PDFInfo
- Publication number
- CN106120799A CN106120799A CN201610482816.1A CN201610482816A CN106120799A CN 106120799 A CN106120799 A CN 106120799A CN 201610482816 A CN201610482816 A CN 201610482816A CN 106120799 A CN106120799 A CN 106120799A
- Authority
- CN
- China
- Prior art keywords
- steel reinforcement
- reinforcement cage
- wall
- pipeline
- foundation ditch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- 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
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention provides a kind of underground utilities to exempt to change across foundation ditch and move construction method, comprise the following steps: a. excavate pipeline soil at both sides so that it is formation underground tank；B. can co-operatively go along with sb. to guard him outside pipeline according to pipeline shape colligation and it is carried out the first steel reinforcement cage and the second steel reinforcement cage that protection supports；In lifting by crane the first steel reinforcement cage and the second steel reinforcement cage the most simultaneously and being respectively placed in the underground tank of pipeline both sides；D. translate the first steel reinforcement cage and the second steel reinforcement cage to direction, pipeline place simultaneously, make the first steel reinforcement cage and the contact of the second steel reinforcement cage；E. sand pocket is used to fill the space between the first steel reinforcement cage and the corresponding underground tank inwall of the second steel reinforcement cage respectively；The most respectively to the internal casting concrete of the first steel reinforcement cage and the second steel reinforcement cage so that it is form the first wall width and the second wall width respectively；G. after reclaiming sand pocket, the ground-connecting-wall outside construct the first wall width and the second wall width.The present invention rationally solves to exempt to change across foundation ditch underground utilities to move ground-connecting-wall Design of Retaining Structure construction problem under operating mode.
Description
Technical field
The invention belongs to the deep-foundation pit engineering fields such as railway traffic engineering, building engineering, port and pier, be specifically related to
A kind of underground utilities are exempted to change across foundation ditch and are moved construction method.
Background technology
Before Design of Excavation Project construction, move former is temporarily or permanently changed for all the adopting of the underground utilities in the range of foundation ditch
Then, moving and be changed to outside foundation ditch scope, along with the development of urban construction, urban pipeline problem becomes increasingly conspicuous.Especially for one
The most important pipeline such as underground high-voltage line and gas pipeline change that to move difficulty big, and high, the length in cycle of expense has become as control
Construction investment and construction period very important factor.But urban pipeline partly plays high-voltage line and Gas Pipe etc
Important pipeline cannot change and moves and across construction area, how to move pipeline and can connect walled and protect in construction ground fast and effectively again not changing
Structure, guarantees a safety always difficult problem of the prior art during foundation pit construction simultaneously.
Summary of the invention
The purpose of the present invention is aiming at the defect of prior art, it is provided that a kind of underground utilities are exempted to change across foundation ditch and moved construction
Method, uses the design mistake of wall two cage, is rationally addressed across foundation ditch underground utilities problem.
The invention provides a kind of underground utilities to exempt to change across foundation ditch and move construction method, it is characterised in that include following step
Rapid:
A. excavation is positioned at the pipeline soil at both sides of margin of foundation pit to be dug so that it is in the braced wall position for pattern foundation pit supporting structure
Become underground tank；
B. can co-operatively go along with sb. to guard him outside pipeline according to pipeline shape colligation and it is carried out what protection supported the
One steel reinforcement cage and the second steel reinforcement cage；
In lifting by crane the first steel reinforcement cage and the second steel reinforcement cage the most simultaneously and being respectively placed in the underground tank of pipeline both sides；
D. translate the first steel reinforcement cage and the second steel reinforcement cage to direction, pipeline place simultaneously, make the first steel reinforcement cage and the second reinforcing bar
Cage contacts；
E. sand pocket is used to fill the sky between the first steel reinforcement cage and the corresponding underground tank inwall of the second steel reinforcement cage respectively
Between；
The most respectively to the internal casting concrete of the first steel reinforcement cage and the second steel reinforcement cage so that it is form the first wall width and the respectively
Two wall width；
G. after reclaiming sand pocket, the ground-connecting-wall outside construct the first wall width and the second wall width, described first wall width, the second wall width
The braced wall of the foundation ditch to be dug of integration is formed with ground-connecting-wall.
H. suspension protection measure is taked to carry out suspension protection to across the pipeline within foundation ditch to be dug.
Described step a includes utilizing ground-connecting-wall chute forming machine to scrub the soil body immediately below pipeline, it is ensured that the width of underground tank is more than
The width sum of ground-connecting-wall, pipeline and sand pocket.
In described step b, the first steel reinforcement cage and the second steel reinforcement cage are the symmetrically arranged rectangular configuration that can mutually splice, the
One steel reinforcement cage and the relative inside edge of the second steel reinforcement cage be provided with pipeline outside the breach that cooperates.
In described step b, the width of the first steel reinforcement cage and the second steel reinforcement cage is not more than the half of ground-connecting-wall.
Described step d lifts by crane the first steel reinforcement cage and the second steel reinforcement cage by lifting machine simultaneously and realizes both translations until the
One steel reinforcement cage and the relative inside edge of the second steel reinforcement cage contact with each other clamping；The breach phase of the first steel reinforcement cage and the second steel reinforcement cage
Cooperatively form loop configuration mutually to go along with sb. to guard him outside pipeline.
First wall width and the integrated wall body structure of the second wall in described step f.
Present invention additionally comprises step h: the wall that the first wall width, the second wall width and ground-connecting-wall produce in work progress sews up mouth
Place uses and carries out slip casting at grouting program abutment joint, uses steel at localized seepage's water of the first wall width, the second wall width and ground-connecting-wall
Plate welding closure mode processes.
Compared with the present invention changes with the underground utilities in the range of former foundation ditch and moves processing scheme, new ground-connecting-wall design and construction side
Case rationally can solve to avoid moving across changing of foundation ditch pipeline based on self-technique scheme, technology maturation.Have reduce investment outlay,
Reduce external coordination, shorten the advantages such as engineering construction cycle, at deep-foundation pit engineering, there is preferable application prospect.The present invention uses
The design mistake of one wall two cage, is rationally addressed across foundation ditch underground utilities problem.The present invention is according to job site
The shape of pipeline and ground-connecting-wall size assembling reinforcement cage, meet different construction demands.Lift by crane two steel reinforcement cages to be respectively placed in
Pipeline both sides, simple to operate while effectively protect pipeline.Concrete perfusion in two steel reinforcement cages, by whole for two supporting construction
It is combined into an entirety, effectively protects pipeline, it is achieved exempt to change the purpose moved.Then ground-connecting-wall outside construction, is used in protection pipeline
Concrete walls width and outside ground-connecting-wall be integrated.Use at grouting program abutment joint at foundation ditch external wall seam seam simultaneously
Carrying out slip casting, if occurring in Excavation Process, localized seepage's hydromining Plate Welding closure mode processes, it is ensured that ground-connecting-wall encloses
The safety of protection structure and stagnant water effect.
Accompanying drawing explanation
Fig. 1 is that the present invention has constructed schematic diagram；
Fig. 2 is that reinforcing bar cage hoisting translates schematic diagram；
Fig. 3 is elevation before reinforcing bar cage hoisting
Fig. 4 is that reinforcing bar cage hoisting completes casting concrete elevation；
Fig. 5 is that reinforcing bar cage hoisting completes casting concrete plane graph；
Fig. 6 is that ground-connecting-wall has been constructed other wall width construction plan；
1 pipeline；2 first steel reinforcement cages；3 second steel reinforcement cages；4 ground-connecting-walls；5-underground tank；6-breach；7-sand pocket；
8-the first wall width；9-the second wall width.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, it is simple to is well understood to this
Bright, but they do not constitute restriction to the present invention.
Exempt to change across foundation ditch move construction method as it can be seen, the invention provides a kind of underground utilities, it is characterised in that bag
Include following steps:
A. excavation is positioned at pipeline 1 soil at both sides of margin of foundation pit to be dug, utilize ground-connecting-wall 4 chute forming machine scrub pipeline 1 just under
Necromancer body forms it into underground tank 5, it is ensured that the width of underground tank 5 is more than ground-connecting-wall 4, pipeline 1 and the width sum of sand pocket 7；Ground
Even the width of wall 4 is generally 6m, and underground tank 5 width is chosen for 7m+D (D is pipeline 1 diameter or width)；The length of underground tank 5 with
Ground-connecting-wall 4 keeps consistent.
B. can co-operatively go along with sb. to guard him outside pipeline 1 according to pipeline 1 shape colligation and it is carried out what protection supported
First steel reinforcement cage 2 and the second steel reinforcement cage 3；First steel reinforcement cage 2 and the second steel reinforcement cage 3 are the symmetrically arranged reinforcing bar that can mutually splice
Cage, the inside edge that the first steel reinforcement cage 2 is relative with the second steel reinforcement cage 3 be provided with pipeline 1 outside the breach 6 that cooperates；The
The width of one steel reinforcement cage 2 and the second steel reinforcement cage 3 is not more than the half of ground-connecting-wall 4, therefore width uses 3m, and length is protected with ground-connecting-wall 4
Hold consistent.
Lift by crane the first steel reinforcement cage 2 and the second steel reinforcement cage 3 by lifting machine the most simultaneously and be respectively placed in the ground of pipeline 1 both sides
In lower groove 5；
D. lift by crane the first steel reinforcement cage 2 and the second steel reinforcement cage 3 by lifting machine simultaneously realize both translations until the first reinforcing bar
The inside edge that cage 2 is relative with the second steel reinforcement cage 3 contacts with each other clamping, it is achieved the first steel reinforcement cage 2 and conjunction of the second steel reinforcement cage 3
Holding together, now the first steel reinforcement cage 2 and the second steel reinforcement cage 3 arrive and specify position i.e. to exempt to change at the pipeline 1 moved；First steel reinforcement cage 2 and
The breach 6 of two steel reinforcement cages 3 complements each other to form loop configuration and goes along with sb. to guard him outside pipeline 1, it is achieved the protection to pipeline 1 supports；
E. sand pocket 7 is used to fill respectively between the first steel reinforcement cage 2 and corresponding underground tank 5 inwall of the second steel reinforcement cage 3
Space, it is ensured that the first steel reinforcement cage 2 and the second steel reinforcement cage 3 keep stable in ensuing pouring construction, do not occur excessive
Displacement；
The most respectively to the internal casting concrete of the first steel reinforcement cage 2 and the second steel reinforcement cage 3 so that it is form the first wall 8 respectively
With the second wall 9, the first wall 8 and the second integrated wall body structure of wall 9, for exempting to change the guarantor that the pipeline 1 moved provides stable
Protect；
G. after reclaiming sand pocket 7, the ground-connecting-wall 4 outside construct the first wall 8 and the second wall 9, make the first wall 8 and second
The ground-connecting-wall 4 that wall 9 is corresponding with outside it is linked as integral wall, collectively as the supporting construction of foundation ditch to be dug.
H. the wall seam seam produced in work progress at first wall the 8, second wall 9 and ground-connecting-wall 4 uses slip casting
Carry out slip casting at scheme abutment joint, at localized seepage's water of first wall the 8, second wall 9 and ground-connecting-wall 4, use Plate Welding envelope
Stifled mode processes, it is ensured that the safety of ground-connecting-wall 4 building enclosure and stagnant water effect.
G. suspension protection measure is taked to carry out suspension protection to across the pipeline within foundation ditch to be dug.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (8)
1. underground utilities are exempted to change across foundation ditch and are moved construction method, it is characterised in that comprise the following steps:
A. excavation is positioned at pipeline (1) soil at both sides of margin of foundation pit to be dug so that it is in the braced wall position for pattern foundation pit supporting structure
Become ground-connecting-wall groove (5)；
B. according to pipeline (1) shape colligation can co-operatively go along with sb. to guard him in pipeline (1) outside and to its carry out protection support
First steel reinforcement cage (2) and the second steel reinforcement cage (3)；
Lift by crane the first steel reinforcement cage (2) and the second steel reinforcement cage (3) the most simultaneously and be respectively placed in the underground tank (5) of pipeline (1) both sides
In；
D. simultaneously translate the first steel reinforcement cage (2) and the second steel reinforcement cage (3) to pipeline (1) direction, place, make the first steel reinforcement cage (2) and
Second steel reinforcement cage (3) contacts；
E. sand pocket (7) is used to fill the first steel reinforcement cage (2) and corresponding underground tank (5) inwall of the second steel reinforcement cage (3) respectively
Between space；
The most respectively to the internal casting concrete of the first steel reinforcement cage (2) and the second steel reinforcement cage (3) so that it is form the first wall width respectively
(8) and the second wall width (9)；
G. after reclaiming sand pocket (7), construct the first wall width (8) and the ground-connecting-wall (4) in the second wall width (9) outside, described first wall width
(8), the second wall width (9) and ground-connecting-wall (4) form the braced wall of integrated foundation ditch to be dug.
Underground utilities the most according to claim 1 are exempted to change across foundation ditch and are moved construction method, it is characterised in that also include step
H. suspension protection measure is taked to carry out suspension protection to across the pipeline within foundation ditch to be dug.
Underground utilities the most according to claim 1 are exempted to change across foundation ditch and are moved construction method, it is characterised in that step a includes profit
The soil body immediately below pipeline (1) is scrubbed, it is ensured that the width of underground tank (5) is more than ground-connecting-wall (4), pipeline with ground-connecting-wall (4) chute forming machine
And the width sum of sand pocket (7) (1).
Underground utilities the most according to claim 1 are exempted to change across foundation ditch and are moved construction method, it is characterised in that in step b first
Steel reinforcement cage (2) and the second steel reinforcement cage (3) are the symmetrically arranged rectangular configuration that can mutually splice, the first steel reinforcement cage (2) and second
The inside edge that steel reinforcement cage (3) is relative is provided with the breach (6) cooperated with pipeline (1) outside.
Underground utilities the most according to claim 1 (1) are exempted to change across foundation ditch and are moved construction method, it is characterised in that in step b
The width of the first steel reinforcement cage (2) and the second steel reinforcement cage (3) is not more than the half of ground-connecting-wall (4).
Underground utilities the most according to claim 3 are exempted to change across foundation ditch and are moved construction method, it is characterised in that pass through in step d
Lifting machine lifts by crane the first steel reinforcement cage (2) and the second steel reinforcement cage (3) simultaneously and realizes both translations until the first steel reinforcement cage (2) and second
The inside edge that steel reinforcement cage (3) is relative contacts with each other clamping；The breach (6) of the first steel reinforcement cage (2) and the second steel reinforcement cage (3) is mutual
Cooperatively form loop configuration to go along with sb. to guard him in pipeline (1) outside.
Underground utilities the most according to claim 3 are exempted to change across foundation ditch and are moved construction method, it is characterised in that in step f first
Wall width (8) and the second wall width (9) integrated wall body structure.
Underground utilities the most according to claim 3 are exempted to change across foundation ditch and are moved construction method, it is characterised in that also include step
The wall seam seam that h: the first wall width (8), the second wall width (9) and ground-connecting-wall (4) produce in work progress uses grouting program
Carry out slip casting at abutment joint, at localized seepage's water of the first wall width (8), the second wall width (9) and ground-connecting-wall (4), use Plate Welding
Closure mode processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610482816.1A CN106120799A (en) | 2016-06-27 | 2016-06-27 | Underground utilities are exempted to change across foundation ditch and are moved construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610482816.1A CN106120799A (en) | 2016-06-27 | 2016-06-27 | Underground utilities are exempted to change across foundation ditch and are moved construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106120799A true CN106120799A (en) | 2016-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610482816.1A Pending CN106120799A (en) | 2016-06-27 | 2016-06-27 | Underground utilities are exempted to change across foundation ditch and are moved construction method |
Country Status (1)
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| CN (1) | CN106120799A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442382A (en) * | 2018-03-06 | 2018-08-24 | 中铁十局集团城市轨道工程有限公司 | It crosses the pressure line in-situ conservation of deep basal pit and goes along with sb. to guard him soil-baffling structure and construction method |
| CN109723065A (en) * | 2019-02-26 | 2019-05-07 | 济南轨道交通集团有限公司 | Deep basal pit freezing partly reinforced construction method in bracing means and rich water sandy pear variety |
| CN110004919A (en) * | 2019-04-30 | 2019-07-12 | 中铁十局集团西北工程有限公司 | A kind of foundation pit enclosure construction method in pipeline coverage |
| CN111088792A (en) * | 2020-01-07 | 2020-05-01 | 中国葛洲坝集团市政工程有限公司 | Double L-shaped reinforcement cage hoisting method in underground continuous wall construction |
| CN111764374A (en) * | 2020-05-28 | 2020-10-13 | 浙江土工岩土科技有限公司 | Construction method of underground continuous wall in low-clearance environment |
| CN113585275A (en) * | 2020-04-30 | 2021-11-02 | 中国建筑第四工程局有限公司 | Construction method for protecting horizontal branch pipe of thermal spring well in foundation pit |
| CN113914299A (en) * | 2021-11-18 | 2022-01-11 | 中铁二局集团有限公司 | Construction method of underground diaphragm wall penetrating through foundation pit pipeline |
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| CN203977407U (en) * | 2014-07-30 | 2014-12-03 | 中国一冶集团有限公司 | The device of the pre-buried assembled steel case of a kind of diaphragm wall hole to be provided |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442382A (en) * | 2018-03-06 | 2018-08-24 | 中铁十局集团城市轨道工程有限公司 | It crosses the pressure line in-situ conservation of deep basal pit and goes along with sb. to guard him soil-baffling structure and construction method |
| CN108442382B (en) * | 2018-03-06 | 2020-06-16 | 中铁十一局集团城市轨道工程有限公司 | In-situ protection and enclosure soil-retaining structure for pressure pipeline crossing deep foundation pit and construction method |
| CN109723065A (en) * | 2019-02-26 | 2019-05-07 | 济南轨道交通集团有限公司 | Deep basal pit freezing partly reinforced construction method in bracing means and rich water sandy pear variety |
| CN109723065B (en) * | 2019-02-26 | 2023-11-03 | 济南轨道交通集团有限公司 | Reinforcing device and deep foundation pit local freezing reinforcing construction method in water-rich gravel stratum |
| CN110004919A (en) * | 2019-04-30 | 2019-07-12 | 中铁十局集团西北工程有限公司 | A kind of foundation pit enclosure construction method in pipeline coverage |
| CN110004919B (en) * | 2019-04-30 | 2020-11-17 | 中铁十局集团西北工程有限公司 | Foundation pit enclosure construction method used in pipeline influence range |
| CN111088792A (en) * | 2020-01-07 | 2020-05-01 | 中国葛洲坝集团市政工程有限公司 | Double L-shaped reinforcement cage hoisting method in underground continuous wall construction |
| CN113585275A (en) * | 2020-04-30 | 2021-11-02 | 中国建筑第四工程局有限公司 | Construction method for protecting horizontal branch pipe of thermal spring well in foundation pit |
| CN113585275B (en) * | 2020-04-30 | 2022-07-22 | 中国建筑第四工程局有限公司 | Construction method for protecting horizontal branch pipe of thermal spring well in foundation pit |
| CN111764374A (en) * | 2020-05-28 | 2020-10-13 | 浙江土工岩土科技有限公司 | Construction method of underground continuous wall in low-clearance environment |
| CN113914299A (en) * | 2021-11-18 | 2022-01-11 | 中铁二局集团有限公司 | Construction method of underground diaphragm wall penetrating through foundation pit pipeline |
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Application publication date: 20161116 |
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