CN209457947U - A kind of buried Central drain supporting construction in tunnel - Google Patents
A kind of buried Central drain supporting construction in tunnel Download PDFInfo
- Publication number
- CN209457947U CN209457947U CN201822253039.0U CN201822253039U CN209457947U CN 209457947 U CN209457947 U CN 209457947U CN 201822253039 U CN201822253039 U CN 201822253039U CN 209457947 U CN209457947 U CN 209457947U
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- steelframe
- preliminary bracing
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- central drain
- tunnel
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Abstract
The utility model discloses a kind of buried Central drain supporting construction in tunnel, its supporting construction includes that preliminary bracing first applies steelframe, the preliminary bracing first applies steelframe and is arranged along tunnel direction interval, preliminary bracing first applies after later period installation preliminary bracing is formed at steelframe lower part and applies the notch of steelframe, preliminary bracing, which first applies, to be connected between steelframe by longitudinally reinforced beam, and the preliminary bracing first applies steelframe lower end and is provided with Central drain steelframe；The utility model carries out excavation supporting for the buried Central drain location of cold and tunnel in cold regions, the utility model design concept is novel, measure is reasonable, significant effect, the excavation construction in the very good solution buried Central drain location in tunnel in the case where not closing cyclization safety, rapid construction problem in inverted arch preliminary bracing, ensure the reliable and stable of tunnel support structure, has a extensive future.
Description
Technical field
The utility model belongs to supporting construction field, and in particular to a kind of buried Central drain supporting construction in tunnel.
Background technique
In recent years, China builds and has planned a plurality of severe cold or cold district railway, and cold area's railway tunnel mostly uses greatly
Buried Central drain drainage pattern, to reduce the risk of freeze injury generation.However, buried Central drain is set to inverted arch hereinafter, making
Its work progress is applied in the case where Tunnel is not closed cyclization, in weak surrounding rock, if construction method
It is improper, the overall stability of tunnel support structure will be reduced, thereby increases and it is possible to Supporting Structure deformation destruction can be caused, and then applied to tunnel
Work causes security risk.
Utility model content
The utility model proposes that the purpose is to provide a kind of buried center in tunnel in order to solve the problems existing in the prior art
Ditch supporting construction and construction method for supporting.
The technical solution of the utility model is: a kind of buried Central drain supporting construction in tunnel, including preliminary bracing are first applied
Make steelframe, the preliminary bracing first applies steelframe and is arranged along tunnel direction interval, and preliminary bracing first applies after steelframe lower part formed
The notch of steelframe is applied after phase installation preliminary bracing, preliminary bracing, which first applies, to be connected between steelframe by longitudinally reinforced beam, described
Preliminary bracing first applies steelframe lower end and is provided with Central drain steelframe.
Central drainage pipe pedestal is provided in the Central drain steelframe, during central drainage pipe pedestal upper end is provided with
Heart drainpipe and graded broken stone, the graded broken stone upper end are provided with thermal insulation concrete.
The preliminary bracing first applies steelframe, longitudinally reinforced beam junction is provided with lock foot anchoring stock.
The preliminary bracing, which first applies, to be applied steelframe after steelframe and preliminary bracing and is connected by No. I connecting plate.
The preliminary bracing is first applied to apply steelframe junction outer wall after steelframe and preliminary bracing and be provided with No. I and be connect
Plate, bolt and nut component pass through No. I connecting plate and it are fixed.
The preliminary bracing first applies steelframe and is connected with Central drain steelframe by No. II connecting plate.
The preliminary bracing first applies outer wall and Central drain steelframe end outer wall on the downside of steelframe and is provided with No. II company
Fishplate bar, bolt and nut component pass through No. II connecting plate and it are fixed.
The utility model carries out excavation supporting for the buried Central drain location of cold and tunnel in cold regions, this is practical new
Type design concept is novel, measure rationally, significant effect, the excavation construction in the very good solution buried Central drain location in tunnel exists
Inverted arch preliminary bracing safety, rapid construction problem in the case where not closing cyclization, it is ensured that tunnel support structure it is reliable and stable,
It has a extensive future.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is in Fig. 1 along the cross-sectional view of I-I line；
Fig. 3 is in Fig. 1 along the cross-sectional view of II-II line；
Fig. 4 is the structure enlargement diagram in the portion A in Fig. 1；
Fig. 5 is the structure enlargement diagram in the portion B in Fig. 1；
Fig. 6 is the construction method for supporting flow chart of the utility model；
Wherein:
1 preliminary bracing first applies the longitudinally reinforced beam of steelframe 2
3 lock foot anchoring stock, 4 Central drain position soil stone
5 Central drain steelframe, 6 central drainage pipe pedestal
7 central drainage pipe, 8 graded broken stone
Steelframe is applied after 9 thermal insulation concrete, 10 preliminary bracing
11 No. I connecting plates, 12 No. II connecting plates.
Specific embodiment
Hereinafter, the utility model is described in detail referring to drawings and examples:
As shown in Fig. 1 ~ 5, a kind of buried Central drain supporting construction in tunnel, including preliminary bracing first apply steelframe 1, described
Preliminary bracing first applies steelframe 1 and is arranged along tunnel direction interval, and preliminary bracing first applies 1 lower part of steelframe and forms installation initial stage in later period
The notch of steelframe 10 is applied after supporting, preliminary bracing, which first applies, to be connected between steelframe 1 by longitudinally reinforced beam 2, the initial stage branch
Shield first applies 1 lower end of steelframe and is provided with Central drain steelframe 5.
The preliminary bracing applies after steelframe 10 combines annularly after first applying steelframe 1, preliminary bracing.
It is equidistantly uniformly distributed that the preliminary bracing first applies steelframe 1.
Central drainage pipe pedestal 6,6 upper end of the central drainage pipe pedestal setting are provided in the Central drain steelframe 5
There are central drainage pipe 7 and graded broken stone 8,8 upper end of graded broken stone is provided with thermal insulation concrete 9.
5 cross section of Central drain steelframe is in open state.
The preliminary bracing first applies steelframe 1,2 junction of longitudinally reinforced beam is provided with lock foot anchoring stock 3.
The preliminary bracing, which first applies, to be applied steelframe 10 after steelframe 1 and preliminary bracing and is connected by No. I connecting plate 11.
The preliminary bracing, which first applies, to be applied 10 junction outer wall of steelframe after steelframe 1 and preliminary bracing and is provided with No. I company
Fishplate bar 11, bolt and nut component pass through No. I connecting plate 11 and it are fixed.
The preliminary bracing first applies steelframe 1 and is connected with Central drain steelframe 5 by No. II connecting plate 12.
The preliminary bracing first applies 1 downside outer wall of steelframe and 5 end outer wall of Central drain steelframe is provided with No. II
Connecting plate 12, bolt and nut component pass through No. II connecting plate 12 and it are fixed.
As shown in fig. 6, a kind of construction method for supporting of the buried Central drain supporting construction in tunnel, comprising the following steps:
I applies unclosed shell integer support
In the case that supporting in the early stage first applies the unclosed cyclization of steelframe 1, connected using longitudinally reinforced beam 2 along tunnel direction
Preliminary bracing first apply steelframe 1, and supporting in the early stage first apply steelframe 1, longitudinally reinforced beam 2 interlock position apply lock foot anchor tube
3, so that unclosed number Pin steelframe is formed stable shell integer support system.
II central excavation ditch position soil stone simultaneously applies Central drain steelframe
The central excavation ditch position soil stone 4 under the protection of shell support system applies Central drain steelframe 5, and passes through No. I
Connecting plate 11 has applied steelframe 1 with preliminary bracing and has reliably been connect, and the injection for finally completing buried Central drain position is mixed
Solidifying soil.
III places central drainage pipe
Supporting in the early stage first applies steelframe 1 and is connect under formation closing support system with Central drain steelframe 5, edema with the heart involved in laying
Pedestal tube 6 places central drainage pipe 7 on central water tube pedestal 6, and 8 He of graded broken stone is arranged on the top of central drainage pipe 7
Thermal insulation concrete 9.
IV applies steelframe after applying preliminary bracing
Steelframe 10 and initial stage finally will be applied after preliminary bracing corresponding with buried Central drain using No. II connecting plate 12
Supporting first applies steelframe 1 and is connected.
V completes construction
Gunite concrete completes the excavation and support in buried Central drain location.
The preliminary bracing first applies steelframe 1, longitudinally reinforced beam 2 is combined into unclosed number Pin steelframe.
The preliminary bracing first applies steelframe 1, longitudinally reinforced beam 2, lock foot anchoring stock 3 and is combined into shell integer support system.
The shell integer support system is central excavation ditch position soil stone and applies Central drain steelframe and provides guarantor
Shield, and guarantee the feasibility of its construction.
Further, the preliminary bracing first applies steelframe 1, longitudinally reinforced beam 2, lock foot anchoring stock 3, Central drain steelframe 5
A closed support system is formed, provides protection for the laying of center water pipe pedestal 6 and the placement of central drainage pipe 7,
And guarantee the feasibility of its construction.
After the completion of the construction of center gutter, the indentation, there that supporting in the early stage first applies steelframe 1 applies after installing preliminary bracing
Steelframe 10, to make preliminary bracing closure cyclization.
The utility model carries out excavation supporting for the buried Central drain location of cold and tunnel in cold regions, this is practical new
Type design concept is novel, measure rationally, significant effect, the excavation construction in the very good solution buried Central drain location in tunnel exists
Inverted arch preliminary bracing safety, rapid construction problem in the case where not closing cyclization, it is ensured that tunnel support structure it is reliable and stable,
It has a extensive future.
Claims (7)
1. a kind of buried Central drain supporting construction in tunnel, including preliminary bracing first apply steelframe (1), it is characterised in that: described
Preliminary bracing first applies steelframe (1) and is arranged along tunnel direction interval, and preliminary bracing first applies steelframe (1) lower part and forms later period installation
The notch of steelframe (10) is applied after preliminary bracing, preliminary bracing, which first applies, to be connected between steelframe (1) by longitudinally reinforced beam (2),
The preliminary bracing first applies steelframe (1) lower end and is provided with Central drain steelframe (5).
2. the buried Central drain supporting construction in a kind of tunnel according to claim 1, it is characterised in that: the Central drain
It is provided in steelframe (5) central drainage pipe pedestal (6), central drainage pipe pedestal (6) upper end is provided with central drainage pipe (7)
With graded broken stone (8), graded broken stone (8) upper end is provided with thermal insulation concrete (9).
3. the buried Central drain supporting construction in a kind of tunnel according to claim 1, it is characterised in that: the preliminary bracing
First apply steelframe (1), longitudinally reinforced beam (2) junction is provided with lock foot anchoring stock (3).
4. the buried Central drain supporting construction in a kind of tunnel according to claim 1, it is characterised in that: the preliminary bracing
It first applies and applies steelframe (10) after steelframe (1) and preliminary bracing and be connected by No. I connecting plate (11).
5. the buried Central drain supporting construction in a kind of tunnel according to claim 4, it is characterised in that: the preliminary bracing
It first applies and applies steelframe (10) junction outer wall after steelframe (1) and preliminary bracing and be provided with No. I connecting plate (11), bolt and nut
Component passes through No. I connecting plate (11) and it is fixed.
6. the buried Central drain supporting construction in a kind of tunnel according to claim 1, it is characterised in that: the preliminary bracing
It first applies steelframe (1) and is connected with Central drain steelframe (5) by No. II connecting plate (12).
7. the buried Central drain supporting construction in a kind of tunnel according to claim 6, it is characterised in that: the preliminary bracing
It first applies outer wall and Central drain steelframe (5) end outer wall on the downside of steelframe (1) and is provided with No. II connecting plate (12), bolt spiral shell
Female component passes through No. II connecting plate (12) and it is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253039.0U CN209457947U (en) | 2018-12-29 | 2018-12-29 | A kind of buried Central drain supporting construction in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253039.0U CN209457947U (en) | 2018-12-29 | 2018-12-29 | A kind of buried Central drain supporting construction in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209457947U true CN209457947U (en) | 2019-10-01 |
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ID=68043026
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822253039.0U Active CN209457947U (en) | 2018-12-29 | 2018-12-29 | A kind of buried Central drain supporting construction in tunnel |
Country Status (1)
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| CN (1) | CN209457947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441489A (en) * | 2018-12-29 | 2019-03-08 | 中国铁路设计集团有限公司 | A kind of buried Central drain supporting construction in tunnel and construction method for supporting |
-
2018
- 2018-12-29 CN CN201822253039.0U patent/CN209457947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441489A (en) * | 2018-12-29 | 2019-03-08 | 中国铁路设计集团有限公司 | A kind of buried Central drain supporting construction in tunnel and construction method for supporting |
| CN109441489B (en) * | 2018-12-29 | 2024-04-05 | 中国铁路设计集团有限公司 | Tunnel deep-buried central ditch supporting structure and supporting construction method |
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