CN106437725A - Air flue underground excavation section structural construction method - Google Patents
Air flue underground excavation section structural construction method Download PDFInfo
- Publication number
- CN106437725A CN106437725A CN201610932735.7A CN201610932735A CN106437725A CN 106437725 A CN106437725 A CN 106437725A CN 201610932735 A CN201610932735 A CN 201610932735A CN 106437725 A CN106437725 A CN 106437725A
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- China
- Prior art keywords
- pilot tunnel
- guide hole
- construction method
- lining
- interim
- 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
Links
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000009412 basement excavation Methods 0.000 title abstract 4
- 230000005641 tunneling Effects 0.000 claims description 15
- 230000011218 segmentation Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract 5
- 238000009415 formwork Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to an air flue underground excavation section structural construction method. The air flue underground excavation section structural construction method comprises the following steps that 1, concrete at the bottoms of temporary middle separation walls of a guide hole (10), a guide hole (11) and a guide hole (12) is demounted in a segmented mode, grating rebars are reserved, a secondary-lining structural bottom plate, waterproofness and part of side walls are constructed, and an all-around scaffold jacks the side walls and temporary inverted arches; 2, the ends of temporary middle separation walls of a guide hole (7), a guide hole (8) and a guide hole (9) are demounted in a segmented mode, a secondary-lining structure is constructed, and an all-around scaffold jacks the side walls and temporary inverted arches; 3, temporary middle separation plates of a guide hole (4), a guide hole (5) and a guide hole (6) are demounted in a segmented mode, a secondary-lining side wall and a middle plate are constructed, and an all-around scaffold jacks the side walls and temporary inverted arches; 4, concrete at the bottoms of temporary middle separation walls of a guide hole (1), a guide hole (2) and a guide hole (3) is sequentially demounted in a segmented mode, rebars are reserved, all-around support supporting tower top arch formworks are connected, a top arch secondary-lining structure is constructed, and internal temporary middle separation walls and inverted arches are demounted. The air flue underground excavation section structural construction method has the advantages of being easy and convenient to construct, safe, reliable, capable of controlling the problems of supporting deformation and arch stratum settlement easily and the like.
Description
【Technical field】
The present invention relates to a kind of method of construction of ventilation passage of metro, and in particular to a kind of air channel tunneling segment structure construction method, belongs to
City track traffic engineering technical field.
【Background technology】
Ventilation passage of metro structure typically all adopts double-decker pattern, mostly adopts cavern-pile method to build, and sets up temporary support, it is applied
Work bothers, high cost, long construction period.For the air channel structure of large span, the span of pilot tunnel is very big, conventional
Supporting structure system structural stability is poor, is difficult to control deformation and the arch stratum settlement of arch supporting construction, exists certain
Potential safety hazard.
Therefore, for solving above-mentioned technical problem, it is necessory to provide a kind of air channel tunneling segment structure construction method of innovation,
To overcome described defect of the prior art.
【Content of the invention】
It is an object of the invention to provide a kind of easy construction, safe and reliable and be easily controlled Support Deformation and arch stratum settlement
The air channel tunneling segment structure construction method of problem.
For achieving the above object, the technical scheme that the present invention takes is：A kind of air channel tunneling segment structure construction method, it is special
Levy and be：Comprise the steps：
1）, segmentation dismounting pilot tunnel（10）, pilot tunnel（11）, pilot tunnel（12）Interim median septum bottom concrete simultaneously retains grid reinforcing bar, applies
Ventilating shaft two lining structure base plate, waterproof and part side wall, and carry out full hall scaffold and hold out against side wall and interim inverted arch；
2）Pilot tunnel is removed in segmentation（7）, pilot tunnel（8）, pilot tunnel（9）Interim median septum end, applies two lining structures, and carries out full hall foot
Hand cradle holds out against side wall and interim inverted arch；
3）, segmentation dismounting pilot tunnel（4）, pilot tunnel（5）, pilot tunnel（6）Interim median septum, applies two lining side walls and middle plate, and carries out full
Hall scaffold holds out against side wall and interim inverted arch；
4）, segmentation dismounting pilot tunnel successively（1）, pilot tunnel（2）, pilot tunnel（3）Interim median septum bottom concrete simultaneously retains reinforcing bar, and continue full hall
Red branch frame props up takes crown template, applies crown two lining structure；After two lining structures reach intensity, remove internal interim median septum and face upward
Arch.
The air channel tunneling segment structure construction method of the present invention is further：Step 1）In, the longitudinal divisionses of full hall scaffold
Length 6m, support body adopts 600*600*900 steel pipe support, arranges bridging simultaneously.
Compared with prior art, the present invention has the advantages that：The air channel tunneling segment structure construction method of the present invention
There is easy construction, low cost, short construction period, safe and reliable and be easily controlled Support Deformation and arch stratum settlement problem etc.
Plurality of advantages.
【Brief description】
Fig. 1 is the original state figure of the air channel road tunneling section of the present invention.
Fig. 2 is that the air channel road tunneling segment structure construction method of the present invention completes step 1）State diagram afterwards.
Fig. 3 is that the air channel road tunneling segment structure construction method of the present invention completes step 2）State diagram afterwards.
Fig. 4 is that the air channel road tunneling segment structure construction method of the present invention completes step 3）State diagram afterwards.
Fig. 5 is that the air channel road tunneling segment structure construction method of the present invention completes step 4）State diagram afterwards.
【Specific embodiment】
Refer to Figure of description 1 to shown in accompanying drawing 5, the present invention is a kind of air channel road tunneling segment structure construction method, and it includes
Following construction procedure：
Comprise the steps：
1）, segmentation dismounting pilot tunnel（10）, pilot tunnel（11）, pilot tunnel（12）Interim median septum bottom concrete simultaneously retains grid reinforcing bar, applies
Ventilating shaft two lining structure base plate, waterproof and part side wall, and carry out full hall scaffold and hold out against side wall and interim inverted arch；Full hall scaffold
Longitudinal divisionses length 6m, support body adopt 600*600*900 steel pipe support, simultaneously arrange bridging；As shown in Figure 2.
2）Pilot tunnel is removed in segmentation（7）, pilot tunnel（8）, pilot tunnel（9）Interim median septum end, applies two lining structures, and carries out full
Hall scaffold holds out against side wall and interim inverted arch；As shown in Figure 3.
3）, segmentation dismounting pilot tunnel（4）, pilot tunnel（5）, pilot tunnel（6）Interim median septum, applies two lining side walls and middle plate, goes forward side by side
Row full hall scaffold holds out against side wall and interim inverted arch；As shown in Figure 4.
4）, segmentation dismounting pilot tunnel successively（1）, pilot tunnel（2）, pilot tunnel（3）Interim median septum bottom concrete simultaneously retains reinforcing bar, continues
All round victory support props up takes crown template, applies crown two lining structure；After two lining structures reach intensity, remove internal interim median septum
And inverted arch；As shown in Figure 5.
Above specific embodiment is only the preferred embodiment of this creation, not in order to limit this creation, all in this wound
Any modification, equivalent substitution and improvement of being done etc. within the spirit made and principle, should be included in this creation protection domain it
Interior.
Claims (2)
1. a kind of air channel tunneling segment structure construction method it is characterised in that：Comprise the steps：
1）, segmentation dismounting pilot tunnel（10）, pilot tunnel（11）, pilot tunnel（12）Interim median septum bottom concrete simultaneously retains grid reinforcing bar, applies
Ventilating shaft two lining structure base plate, waterproof and part side wall, and carry out full hall scaffold and hold out against side wall and interim inverted arch；
2）Pilot tunnel is removed in segmentation（7）, pilot tunnel（8）, pilot tunnel（9）Interim median septum end, applies two lining structures, and carries out full hall foot
Hand cradle holds out against side wall and interim inverted arch；
3）, segmentation dismounting pilot tunnel（4）, pilot tunnel（5）, pilot tunnel（6）Interim median septum, applies two lining side walls and middle plate, and carries out full
Hall scaffold holds out against side wall and interim inverted arch；
4）, segmentation dismounting pilot tunnel successively（1）, pilot tunnel（2）, pilot tunnel（3）Interim median septum bottom concrete simultaneously retains reinforcing bar, and continue full hall
Red branch frame props up takes crown template, applies crown two lining structure；After two lining structures reach intensity, remove internal interim median septum and face upward
Arch.
2. tunneling segment structure construction method in air channel as claimed in claim 1 it is characterised in that：Step 1）In, full hall scaffold
Longitudinal divisionses length 6m, support body adopt 600*600*900 steel pipe support, simultaneously arrange bridging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932735.7A CN106437725A (en) | 2016-10-31 | 2016-10-31 | Air flue underground excavation section structural construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932735.7A CN106437725A (en) | 2016-10-31 | 2016-10-31 | Air flue underground excavation section structural construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106437725A true CN106437725A (en) | 2017-02-22 |
Family
ID=58177506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610932735.7A Pending CN106437725A (en) | 2016-10-31 | 2016-10-31 | Air flue underground excavation section structural construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437725A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316308A (en) * | 2018-01-11 | 2018-07-24 | 中国电建集团铁路建设有限公司 | A kind of method for dismounting of the interim median septum of big cross section multiple tracks |
| CN108457656A (en) * | 2018-03-05 | 2018-08-28 | 北京市政建设集团有限责任公司 | A kind of unearthed method for tunnel construction |
| CN110094214A (en) * | 2019-04-12 | 2019-08-06 | 中铁七局集团有限公司 | A kind of shallow-depth-excavation tunnel secondary lining removable support system construction method |
| CN111156035A (en) * | 2020-03-10 | 2020-05-15 | 北京市政建设集团有限责任公司 | Template supporting method and template supporting structure for tunnel secondary lining |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563671A (en) * | 2004-03-19 | 2005-01-12 | 刘昌用 | Dormant digging and separating construction method for underground two layers and multilayer composite lining structure |
| CN101086209A (en) * | 2007-07-23 | 2007-12-12 | 北京交通大学 | Shield tunneling and shallow tunneling combined construction method for building underground station |
| CN104806251A (en) * | 2015-04-27 | 2015-07-29 | 北京市轨道交通建设管理有限公司 | Subsidiary inverted excavation construction method for urban subway station under complex environment |
| CN105298501A (en) * | 2015-11-11 | 2016-02-03 | 上海市城市建设设计研究总院 | Construction method for auxiliary air duct structure of underground excavation station |
-
2016
- 2016-10-31 CN CN201610932735.7A patent/CN106437725A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563671A (en) * | 2004-03-19 | 2005-01-12 | 刘昌用 | Dormant digging and separating construction method for underground two layers and multilayer composite lining structure |
| CN101086209A (en) * | 2007-07-23 | 2007-12-12 | 北京交通大学 | Shield tunneling and shallow tunneling combined construction method for building underground station |
| CN104806251A (en) * | 2015-04-27 | 2015-07-29 | 北京市轨道交通建设管理有限公司 | Subsidiary inverted excavation construction method for urban subway station under complex environment |
| CN105298501A (en) * | 2015-11-11 | 2016-02-03 | 上海市城市建设设计研究总院 | Construction method for auxiliary air duct structure of underground excavation station |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316308A (en) * | 2018-01-11 | 2018-07-24 | 中国电建集团铁路建设有限公司 | A kind of method for dismounting of the interim median septum of big cross section multiple tracks |
| CN108316308B (en) * | 2018-01-11 | 2021-01-19 | 中国电建集团铁路建设有限公司 | Method for dismantling large-section multi-channel temporary middle partition wall |
| CN108457656A (en) * | 2018-03-05 | 2018-08-28 | 北京市政建设集团有限责任公司 | A kind of unearthed method for tunnel construction |
| CN110094214A (en) * | 2019-04-12 | 2019-08-06 | 中铁七局集团有限公司 | A kind of shallow-depth-excavation tunnel secondary lining removable support system construction method |
| CN110094214B (en) * | 2019-04-12 | 2021-06-04 | 中铁七局集团有限公司 | Construction method of secondary lining movable support system for shallow-buried underground excavation tunnel |
| CN111156035A (en) * | 2020-03-10 | 2020-05-15 | 北京市政建设集团有限责任公司 | Template supporting method and template supporting structure for tunnel secondary lining |
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Application publication date: 20170222 |
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