CN207750084U - The closely connected construction supporting structure for passing through existing building of newly-built underground engineering - Google Patents
The closely connected construction supporting structure for passing through existing building of newly-built underground engineering Download PDFInfo
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- CN207750084U CN207750084U CN201721711360.8U CN201721711360U CN207750084U CN 207750084 U CN207750084 U CN 207750084U CN 201721711360 U CN201721711360 U CN 201721711360U CN 207750084 U CN207750084 U CN 207750084U
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- steel pipe
- round steel
- pipe
- link plate
- passing
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Abstract
The utility model is related to the construction supporting technical fields of underground engineering, disclose a kind of closely connected construction supporting structure for passing through existing building of newly-built underground engineering.The utility model pipe curtain is formed by one group of round steel pipe laid out in parallel, is opened up on the side wall of the lower half circle of each round steel pipe there are two notch, and two notches are symmetrical arranged, along the elongated setting of the length direction of round steel pipe；Each round steel pipe is internally provided with interior connecting plate, and along the elongated setting of length direction of round steel pipe, two sides and the lower edge of both sides notch are welded and fixed interior connecting plate；Outside link plate is provided between adjacent round steel pipe, along the elongated setting of length direction of round steel pipe, lower edge of the two sides respectively with two adjacent notches is welded and fixed outside link plate；Between round steel pipe and interior connecting plate on the outside of pipe curtain and outside link plate is located at side on the outside of pipe curtain and has poured concrete.The utility model supporting intensity is high, and stability is high, and construction is convenient.
Description
Technical field
The utility model is related to the construction supporting technical fields of underground engineering, close more particularly to a kind of newly-built underground engineering
Patch passes through the construction supporting structure of existing building.
Background technology
With the development that domestic rail traffic is maked rapid progress, ripe day by day, the phase between each track circuit of subway work technology
Situations such as mutually intersecting, is parallel, connecting, build together is increasing, and Beijing is in several Underground Rail Transit lines built, major part at present
It is interspersed overlapping with existing rail line many places in city, wear existing station under existing largely（Or section）Engineering.
Newly-built Underground Construction unavoidably to cause existing structure deformation and internal force increase, be more than its ability to bear or
When permissible value, it is possible to influence existing structure normal use, or even structure is caused to be destroyed, jeopardize safety.When using newly-built structure
It is closely connected when passing through existing structure, it is more stringent to the deformation requirements and settlement Control of existing structure.Traditional form of construction work will be big
Section turns to small pilot tunnel, carries out partial excavation, is carried out at the same time branch's supporting, and concrete permanent structure is carried out again after the completion of excavating
Construction, this form of construction work Technical comparing is ripe, but is affected in the construction process to existing structure, is carrying out big face
When long-pending soil excavation, it is susceptible to the problems such as generating surface subsidence because of face unstability or existing structure is caused to deform.
Utility model content
The utility model provides that a kind of supporting intensity is high, stability is high, construction easily creates that underground engineering is closely connected to pass through
The construction supporting structure of existing building.
Technical problems to be solved are：Existing support pattern is in the work progress of new construction to the shadow of existing structure
Sound is larger, when carrying out the soil excavation of large area, is susceptible to and generates surface subsidence because of face unstability or cause existing
The problems such as malformation.
In order to solve the above technical problems, the utility model adopts the following technical solution：
The utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering, including pipe curtain, interior connection
Plate, outside link plate and ejection for water plugging structure,
The pipe curtain is formed by one group of round steel pipe laid out in parallel, and each round steel pipe is opened on the semicircle of side on the inside of pipe curtain
If there are two notch, two notches are rectangular, using round steel pipe perpendicular to the central axes of pipe curtain arragement direction as symmetry axis pair
Claim setting, length direction elongated setting of the notch along round steel pipe；Each round steel pipe is internally provided with interior connecting plate, interior connecting plate edge
The elongated setting of length direction of round steel pipe, the two sides and the lower edge of both sides notch of interior connecting plate are welded and fixed；Adjacent circle
Outside link plate is provided between steel pipe, outside link plate is along the elongated setting of length direction of round steel pipe, the two sides point of outside link plate
Lower edge not with two adjacent notches is welded and fixed；
Between round steel pipe and interior connecting plate on the outside of pipe curtain and outside link plate is located at side on the outside of pipe curtain and pours
There is concrete, ejection for water plugging structure is provided between the outside of the concrete of outside link plate side, adjacent round steel pipe.
The utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering, further, the circle
The outer diameter of steel pipe is 2000mm, and wall thickness is not less than 20mm.
The utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering, further, adjacent institute
The minimum range stated between round steel pipe is no more than 600mm.
The utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering, further, described to lack
The width of mouth is the 1/3-2/3 of round steel pipe radius.
The utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering, further, described interior
Connecting plate and the steel plate that outside link plate is that thickness is not less than 10mm.
The utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering, further, institute's rheme
It is not less than the width of notch in the thickness of the concrete of outside link plate side.
The utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering to be had compared with prior art
It has the advantages that：
The structure that the utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering is simple, first carries out
The construction of permanent supporting construction, then under the protection of permanent supporting construction, then carries out earth excavation and subsequent construction,
Reduce influence of the construction to surrounding formations and existing structure, effectively prevent surface subsidence or causes the feelings such as existing structure deformation
Condition；The utility model construction is convenient, connecting plate is arranged between pipe curtain, then direct casting concrete, eliminates traditional supporting
Interim inverted arch in structure and median septum eliminate template scaffold and take and tear operation open, greatly reduces construction workload, reduce
Material consumption and construction cost, reduce environmental pollution, improve construction efficiency, shorten construction period, improve construction
Safety, construction quality are more secure.
The utility model is provided with the interior connecting plate with the coherent connection of outside link plate in round steel pipe, above interior connecting plate
Round steel pipe in poured concrete, after the completion of permanent support construction, extra round steel pipe, increases on the inside of excision pipe curtain
Big newly-built underground engineering can utilize area.
The construction supporting structure for passing through existing building closely connected to the newly-built underground engineering of the utility model below in conjunction with the accompanying drawings
It is described further.
Description of the drawings
Fig. 1 is the structural representation that the utility model creates the closely connected construction supporting structure for passing through existing building of underground engineering
Figure；
Fig. 2 is the schematic diagram after the completion of new construction constructing structure.
Reference numeral：
1- pipe curtains；11- round steel pipes；Connecting plate in 2-；3- outside link plates；4- ejection for water plugging structures；5- concrete；The bottoms 6-
Plate.
Specific implementation mode
As shown in Figure 1, it includes pipe that the utility model, which creates the closely connected construction supporting structure for passing through existing building of underground engineering,
Curtain 1, interior connecting plate 2, outside link plate 3 and ejection for water plugging structure 4,
Pipe curtain 1 is rectangular, annular or arch, is close to existing building setting, is formed by one group of 11 laid out in parallel of round steel pipe, circle
The outer diameter of steel pipe 11 is 2000mm, and wall thickness is not less than 20mm；Minimum range between adjacent round steel pipe 11 is no more than 600mm, often
A round steel pipe 11 is opened up on the semicircle of 1 inside side of pipe curtain there are two notch, and two notches are rectangular, with perpendicular to pipe
The central axes of the round steel pipe 11 of 1 arragement direction of curtain are symmetrical arranged for symmetry axis, and notch elongated is set along the length direction of round steel pipe 11
It sets, the width of notch is the 1/3-2/3 of 11 radius of round steel pipe；Each round steel pipe 11 is internally provided with interior connecting plate 2, interior connecting plate
2 are arranged perpendicular to central axes, and interior connecting plate 2 is along the elongated setting of length direction of round steel pipe 11, the two sides of interior connecting plate 2 and two
The lower edge of side notch is welded and fixed；Outside link plate 3 is provided between adjacent round steel pipe 11, outside link plate 3 is along round steel pipe 11
The elongated setting of length direction, the lower edge of the two sides of outside link plate 3 respectively with two adjacent notches is welded and fixed, interior company
Fishplate bar 2 and the steel plate that outside link plate 3 is that thickness is not less than 10mm；
Between the round steel pipe 11 and interior connecting plate 2 in 1 outside of pipe curtain and outside link plate 3 is located at 1 outside side of pipe curtain
Concrete 5 is poured, the thickness for being located at the concrete 5 of 3 side of outside link plate is not less than the width of notch；Positioned at outside link plate
It is provided with ejection for water plugging structure 4 between the outside of the concrete 5 of 3 sides, adjacent round steel pipe 11.
The construction method of the closely connected construction supporting structure for passing through existing building of the newly-built underground engineering of the utility model, including with
Lower step：
Step 1: according to design requirement and examine on the spot as a result, determine the diameter of round steel pipe 11, length, arrangement mode with
And 11 spacing of round steel pipe；
Step 2: excavating shaft, builds jacking counterforce wall and workbench；
Step 3: layering jacking round steel pipe 11 is linked to be pipe curtain 1, the earthwork in pipe, and the slip casting between steel pipe are excavated in jacking
Sealing forms ejection for water plugging structure 4；
Step 4: opening up notch in round steel pipe 11, interior connecting plate 2 and outside link plate 3 are then welded；
Step 5: casting concrete, maintenance to predetermined strength form construction supporting structure；
Step 6: under the protection of construction supporting structure, the earth excavation of big cross section is carried out；
Step 7: with the stage excavation of the earthwork, apply bottom plate 6, and by positioned at interior connecting plate 2 close to 1 inside of pipe curtain
Round steel pipe 11 is cut off, and forms complete constructing structure, as shown in Figure 2.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the protection of the utility model claims book determination
In range.
Claims (6)
1. the closely connected construction supporting structure for passing through existing building of newly-built underground engineering, it is characterised in that：Including pipe curtain（1）, interior company
Fishplate bar（2）, outside link plate（3）With ejection for water plugging structure（4）；
The pipe curtain（1）By one group of round steel pipe（11）Laid out in parallel forms, each round steel pipe（11）Close to pipe curtain（1）Inside side
Semicircle on open up there are two notch, two notches are rectangular, with round steel pipe（11）Perpendicular to pipe curtain（1）Arragement direction
Central axes are symmetrical arranged for symmetry axis, and notch is along round steel pipe（11）The elongated setting of length direction；Each round steel pipe（11）It is internal
It is provided with interior connecting plate（2）, interior connecting plate（2）Along round steel pipe（11）The elongated setting of length direction, interior connecting plate（2）Both sides
Side and the lower edge of both sides notch are welded and fixed；Adjacent round steel pipe（11）Between be provided with outside link plate（3）, outside link plate
（3）Along round steel pipe（11）The elongated setting of length direction, outside link plate（3）Two sides respectively under two adjacent notches
Edge is welded and fixed；
Positioned at pipe curtain（1）The round steel pipe in outside（11）With interior connecting plate（2）Between and outside link plate（3）Positioned at pipe curtain（1）Outside
Side side has poured concrete（5）, it is located at outside link plate（3）The concrete of side（5）Outside, adjacent round steel pipe（11）It
Between be provided with ejection for water plugging structure（4）.
2. the closely connected construction supporting structure for passing through existing building of newly-built underground engineering according to claim 1, feature exist
In：The round steel pipe（11）Outer diameter be 2000mm, wall thickness be not less than 20mm.
3. the closely connected construction supporting structure for passing through existing building of newly-built underground engineering according to claim 1, feature exist
In：The adjacent round steel pipe（11）Between minimum range be no more than 600mm.
4. the closely connected construction supporting structure for passing through existing building of newly-built underground engineering according to claim 1, feature exist
In：The width of the notch is round steel pipe（11）The 1/3-2/3 of radius.
5. the closely connected construction supporting structure for passing through existing building of newly-built underground engineering according to claim 1, feature exist
In：The interior connecting plate（2）With outside link plate（3）It is the steel plate that thickness is not less than 10mm.
6. the closely connected construction supporting structure for passing through existing building of newly-built underground engineering according to claim 1, feature exist
In：It is described to be located at outside link plate（3）The concrete of side（5）Thickness be not less than notch width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721711360.8U CN207750084U (en) | 2017-12-11 | 2017-12-11 | The closely connected construction supporting structure for passing through existing building of newly-built underground engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721711360.8U CN207750084U (en) | 2017-12-11 | 2017-12-11 | The closely connected construction supporting structure for passing through existing building of newly-built underground engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750084U true CN207750084U (en) | 2018-08-21 |
Family
ID=63148932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721711360.8U Expired - Fee Related CN207750084U (en) | 2017-12-11 | 2017-12-11 | The closely connected construction supporting structure for passing through existing building of newly-built underground engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505631A (en) * | 2018-11-30 | 2019-03-22 | 上海隧道工程有限公司 | The adjustable bracketing of pipe curtain inner support |
| CN111156038A (en) * | 2020-03-10 | 2020-05-15 | 中铁工程装备集团有限公司 | Underground space construction method based on circumferential shield and pipe curtain |
-
2017
- 2017-12-11 CN CN201721711360.8U patent/CN207750084U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505631A (en) * | 2018-11-30 | 2019-03-22 | 上海隧道工程有限公司 | The adjustable bracketing of pipe curtain inner support |
| CN111156038A (en) * | 2020-03-10 | 2020-05-15 | 中铁工程装备集团有限公司 | Underground space construction method based on circumferential shield and pipe curtain |
| CN111156038B (en) * | 2020-03-10 | 2021-05-14 | 中铁工程装备集团有限公司 | Underground space construction method based on circumferential shield and pipe curtain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20191211 |