CN203925523U - Close to repair to dividing and repair tunnel greatly across the asymmetric temporary lining structure of changeover portion - Google Patents
Close to repair to dividing and repair tunnel greatly across the asymmetric temporary lining structure of changeover portion Download PDFInfo
- Publication number
- CN203925523U CN203925523U CN201420300567.6U CN201420300567U CN203925523U CN 203925523 U CN203925523 U CN 203925523U CN 201420300567 U CN201420300567 U CN 201420300567U CN 203925523 U CN203925523 U CN 203925523U
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- greatly
- changeover portion
- tunnel
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- perpendicular support
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Abstract
Close to repair to dividing and repair tunnel greatly across the asymmetric temporary lining structure of changeover portion, the impact full tunnel duration being caused to reduce the construction of complicated geological paragraph large-span structure.Comprise: shaped form is erected support system, by its upper end, lower end respectively with greatly across the preliminary bracing of changeover portion arch wall and the first excavation base tunnel being fixedly connected with across the preliminary bracing of changeover portion inverted arch greatly perpendicular support, rear excavation base tunnel perpendicular support temporarily temporarily form, the profile that wherein first excavates base tunnel perpendicular support temporarily or excavate afterwards base tunnel perpendicular support is temporarily with point to repair tunnel excavation outline line basically identical; Top false stull system, with greatly across the preliminary bracing of changeover portion arch wall, first excavate base tunnel perpendicular support, rear excavation base tunnel perpendicular support temporarily temporarily and removably connect.
Description
Technical field
The utility model relates to construction of tunnel temporary lining structure, and particularly one is closed to repair to dividing and repaiied tunnel greatly across the asymmetric temporary lining structure of changeover portion.
Background technology
Tunnel is subject to the control of the technical standards such as station setting, complicated geological and sweep, part tunnel inevitably need in hole, arrange be connected close repair Yu Fenxiu tunnel, tunnel greatly across changeover portion.Greatly across changeover portion because its cross dimensions is large, especially in the time that it is positioned at complicated geological paragraph, need to adopt partial excavation method to reduce the construction safety risk of engineering.
At present, the common double side wall pilot tunnel method routinely of the large-span structure of complicated geological paragraph performs temporary lining.This kind of support form at construction large-span structure when point repairing tunnel junction, be subject to limit across section both sides size of heading greatly, can cause because the reason of the aspects such as ventilation airduct, transport causes directly repairing tunnel by the preferential construction point of the one-sided base tunnel of large-span structure, thereby have influence on the perforation duration of full tunnel.In addition, because large-span structure both sides size of heading conventionally will be much smaller than point repairing tunnel cross-section size, cause to dig while point repairing tunnel segment, to have certain difficulty.
Utility model content
Technical problem to be solved in the utility model is to provide one and closes and repair to point repairing tunnel greatly across the asymmetric temporary lining structure of changeover portion, the impact full tunnel duration being caused to reduce the construction of complicated geological paragraph large-span structure.
It is as follows that the utility model solves the technical scheme that its technical problem adopts:
The utility model closes to repair to dividing repaiies tunnel greatly across the asymmetric temporary lining structure of changeover portion, comprise along arrange across changeover portion excavation contour line greatly greatly across the preliminary bracing of changeover portion arch wall with greatly across the preliminary bracing of changeover portion inverted arch, it is characterized in that it also comprises: shaped form is erected support system, by its upper end, support is erected across the preliminary bracing of changeover portion arch wall and the large first excavation base tunnel being fixedly connected with across the preliminary bracing of changeover portion inverted arch respectively with greatly in lower end temporarily, rear excavation base tunnel temporarily perpendicular support forms, the profile that wherein first excavates base tunnel perpendicular support temporarily or excavate afterwards base tunnel perpendicular support is temporarily with point to repair tunnel excavation outline line basically identical, top false stull system, with greatly across the preliminary bracing of changeover portion arch wall, first excavate base tunnel perpendicular support, rear excavation base tunnel perpendicular support temporarily temporarily and removably connect.
In technique scheme, the height of top false stull system meets below movement requirement.
The beneficial effects of the utility model are, can be directly by the one-sided base tunnel Fen Xiu tunnel, front of directly constructing, speed up the work; The formwork jumbo of point repairing tunnel can be closing the section of repairing in after assembling, progressively chassis pushed to and point repaiied in tunnel by demolition, installation waler system, satisfiedly excavates step pitch requirement; One-sided base tunnel section, with point to repair tunnel cross-section substantially close, reduce the abrupt change of cross section and causes engineering quantity in advance, saves construction investment.
Brief description of the drawings
This manual comprises following width accompanying drawing:
Fig. 1 is that the utility model closes and repaiies to point repairing tunnel greatly across the asymmetric temporary lining structure of changeover portion schematic cross-sectional view.
Member shown in figure, toponym and corresponding mark: greatly across changeover portion excavation contour line 10, greatly across headroom outline line 11 in changeover portion, point repair tunnel excavation outline line 20, point repair headroom outline line 21 in tunnel, greatly across changeover portion arch wall preliminary bracing 31, greatly across changeover portion inverted arch preliminary bracing 32, first excavate base tunnel perpendicular support 40, rear excavation base tunnel perpendicular support 41 temporarily temporarily, first excavate base tunnel top false stull 42, common top false stull 43.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is further described.
With reference to Fig. 1, of the present utility model closing repaiied to point repairing tunnel greatly across the asymmetric temporary lining structure of changeover portion, comprise along arrange across changeover portion excavation contour line 10 greatly greatly across changeover portion arch wall preliminary bracing 31 with greatly across changeover portion inverted arch preliminary bracing 32.It also comprises: shaped form is erected support system, by its upper end, lower end respectively with greatly across changeover portion arch wall preliminary bracing 31 and the first excavation base tunnel being fixedly connected with across changeover portion inverted arch preliminary bracing 32 greatly perpendicular support 40, rear excavation base tunnel perpendicular support 41 temporarily temporarily form, the profile that wherein first excavates base tunnel perpendicular support 40 temporarily or excavate afterwards base tunnel perpendicular support 41 is temporarily with point to repair tunnel excavation outline line 20 basically identical; Top false stull system, with greatly across changeover portion arch wall preliminary bracing 31, first excavate base tunnel perpendicular support 40, rear excavation base tunnel perpendicular support 41 temporarily temporarily and removably connect.The vertical deformation across changeover portion arch preliminary bracing 31 greatly is effectively controlled in base tunnel perpendicular support 40, the rear excavation base tunnel perpendicular support 41 temporarily temporarily of first excavating that the utility model erects in support system by shaped form.By top false stull system will be greatly across changeover portion arch wall preliminary bracing 31, first excavate base tunnel perpendicular support 40, rear excavation base tunnel perpendicular support 41 temporarily temporarily and be firmly connected, form overall structure, effectively control the horizontal convergence across changeover portion arch wall preliminary bracing 31 greatly.
The profile that first excavates base tunnel perpendicular support 40 temporarily or excavate afterwards base tunnel perpendicular support 41 is temporarily with point to repair tunnel excavation outline line 20 basically identical, and the setting height(from bottom) of top false stull system meets the arrangement requirement of below movement requirement and top ventilation airduct.First excavate base tunnel and complete greatly across continuing after changeover portion and excavate forward by point repairing tunnel excavation outline line 20, to accelerate full tunnel construction speed.Point repair tunneling formwork chassis and closing after the section of repairing assembling, in tunnel, push location by base tunnel in advance to point repairing, thereby ensure that point repairing constructing tunnel is not subject to the large impact across changeover portion.
With reference to Fig. 1, as a kind of Typical Disposition form, described top false stull system is conplanely first excavated base tunnel top false stull 42 and common top false stull 43 forms by being positioned at, first excavate base tunnel top false stull 42 and removably connect across changeover portion arch wall preliminary bracing 31 greatly with first excavating base tunnel perpendicular support 40 temporarily and this side, common top false stull 43 and rear excavation base tunnel temporarily perpendicular support 41, this side greatly across changeover portion arch wall preliminary bracing 31 with first excavate base tunnel perpendicular support 40 temporarily and removably connect.
The above the utility model that just explains through diagrams closes to repair to dividing repaiies some principles that construct across the asymmetric temporary lining of changeover portion greatly in tunnel, be not the utility model to be confined to shown in and in described concrete structure and usage range, therefore the corresponding modify being likely utilized every and equivalent, all belong to the scope of the claims that the utility model is applied for.
Claims (2)
1. close to repair to dividing and repair tunnel greatly across the asymmetric temporary lining structure of changeover portion, comprise along greatly across changeover portion excavation contour line (10) arrange greatly across changeover portion arch wall preliminary bracing (31) with greatly across changeover portion inverted arch preliminary bracing (32), it is characterized in that it also comprises: shaped form is erected support system, by its upper end, support (40) is erected across changeover portion arch wall preliminary bracing (31) and the first excavation base tunnel being fixedly connected with across changeover portion inverted arch preliminary bracing (32) greatly respectively with greatly in lower end temporarily, rear excavation base tunnel temporarily perpendicular support (41) forms, wherein first excavate base tunnel perpendicular support (40) temporarily or excavate afterwards base tunnel temporarily the profile of perpendicular support (41) divide that to repair tunnel excavation outline line (20) basically identical, top false stull system, with greatly across changeover portion arch wall preliminary bracing (31), first excavate base tunnel perpendicular support (40), rear excavation base tunnel perpendicular support (41) temporarily temporarily and removably connect.
2. as claimed in claim 1 closing repaiied to point repairing tunnel greatly across the asymmetric temporary lining structure of changeover portion, it is characterized in that: described top false stull system is by being positioned at conplane base tunnel top false stull (42) and common top false stull (43) formation first excavated, first excavate base tunnel top false stull (42) and first excavate base tunnel perpendicular support (40) temporarily and this side and removably connect across changeover portion arch wall preliminary bracing (31) greatly, common top false stull (43) and the perpendicular support (41) temporarily of rear excavation base tunnel, this side is greatly across changeover portion arch wall preliminary bracing (31) with first excavate base tunnel perpendicular support (40) temporarily and removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300567.6U CN203925523U (en) | 2014-06-06 | 2014-06-06 | Close to repair to dividing and repair tunnel greatly across the asymmetric temporary lining structure of changeover portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300567.6U CN203925523U (en) | 2014-06-06 | 2014-06-06 | Close to repair to dividing and repair tunnel greatly across the asymmetric temporary lining structure of changeover portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925523U true CN203925523U (en) | 2014-11-05 |
Family
ID=51821352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300567.6U Expired - Fee Related CN203925523U (en) | 2014-06-06 | 2014-06-06 | Close to repair to dividing and repair tunnel greatly across the asymmetric temporary lining structure of changeover portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925523U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246190A (en) * | 2016-08-12 | 2016-12-21 | 中铁二十局集团第四工程有限公司 | A kind of nine base tunnel construction methods of tunnel and Double sidewall |
| CN107060772A (en) * | 2017-03-23 | 2017-08-18 | 中铁五局集团成都工程有限责任公司 | Large section construction method is mutated for Line for Passenger Transportation standard section |
| CN107587878A (en) * | 2015-02-05 | 2018-01-16 | 新汶矿业集团有限责任公司 | Pit shaft and shaft station attachment structure |
| CN110242321A (en) * | 2019-06-21 | 2019-09-17 | 云南建投第四建设有限公司 | A kind of construction of offspur tunnel large section asymmetric double side wall |
| CN110259387A (en) * | 2019-04-28 | 2019-09-20 | 中铁大桥局集团有限公司 | A kind of hollow out impact drill |
-
2014
- 2014-06-06 CN CN201420300567.6U patent/CN203925523U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587878A (en) * | 2015-02-05 | 2018-01-16 | 新汶矿业集团有限责任公司 | Pit shaft and shaft station attachment structure |
| CN106246190A (en) * | 2016-08-12 | 2016-12-21 | 中铁二十局集团第四工程有限公司 | A kind of nine base tunnel construction methods of tunnel and Double sidewall |
| CN106246190B (en) * | 2016-08-12 | 2018-05-15 | 中铁二十局集团第四工程有限公司 | A kind of nine base tunnel construction methods of tunnel and Double side wall |
| CN107060772A (en) * | 2017-03-23 | 2017-08-18 | 中铁五局集团成都工程有限责任公司 | Large section construction method is mutated for Line for Passenger Transportation standard section |
| CN110259387A (en) * | 2019-04-28 | 2019-09-20 | 中铁大桥局集团有限公司 | A kind of hollow out impact drill |
| CN110242321A (en) * | 2019-06-21 | 2019-09-17 | 云南建投第四建设有限公司 | A kind of construction of offspur tunnel large section asymmetric double side wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141105 |