CN203639944U - Vault immersed tube tunnel - Google Patents
Vault immersed tube tunnel Download PDFInfo
- Publication number
- CN203639944U CN203639944U CN201320719486.5U CN201320719486U CN203639944U CN 203639944 U CN203639944 U CN 203639944U CN 201320719486 U CN201320719486 U CN 201320719486U CN 203639944 U CN203639944 U CN 203639944U
- Authority
- CN
- China
- Prior art keywords
- immersed tube
- duct
- vault
- roof
- tunnel
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a vault immersed tube tunnel. The vault immersed tube tunnel comprises at least one immersed tube uniset; the top of the immersed tube uniset is of an arched structure; the immersed tube uniset comprises a vertically through duct and a vertically through pipe rack; the pipe rack is arranged above the duct; a channel is arranged between the pipe rack and the duct; a discharge flue is arranged in the pipe rack. The vault immersed tube tunnel is an improved immersed tube tunnel and has the characteristics that the stress of the top structure of the tunnel is optimized, the construction difficulty is reduced, the project period is shortened and the project cost is reduced.
Description
Technical field
The utility model relates to immersed tube tunnel technical field, refers to particularly a kind of vault immersed tube tunnel.
Background technology
Immersed tube tunnel has become the first-selected form of construction work of the current engineering of large tunnel under water, reasonably tunnel cross-section form by contribute to improve tunnel space availability ratio, meet the stress of tunnel structure, and can save the duration, reduce construction costs.Tunnel cross-section form is based on transport need and air-conditioning requirement, and considers from water pressure and the load that back-silts etc. and definite.Existing conventional immersed tube tunnel form of fracture mostly is two hole one piping lanes or cross section, porous multitube corridor, duct or circle or side, and duct and piping lane arranged side by side arranged and put, and smoke vent and assembling are in piping lane.The number of track-lines that at present the widest immersed tube tunnel comprises is in the world two-way 6 tracks.
Take Zhuhai and Macao bridge major project island, port tunnel engineering as example, it is two-way 6 track immersed tube tunnels, structure section form as shown in Figure 1, it comprises two ducts that are set up in parallel 1, in each duct 1, can hold 3 tracks, between duct 1, be provided with 2, two piping lanes 2 of two piping lanes and be set up in parallel up and down, piping lane 2 is arranged and is put with duct 1 arranged side by side, and its cross section arrangement of reinforcement as shown in Figure 2.When the cross-sectional design of this structure, to meet on the one hand the designing requirement of two-way six-lane, on the other hand, middle piping lane also should meet smoke evacuation and ventilate on structure requirement, make structure finished section design width reach 37.95m.
Along with the growth that traffic requires, require the number of track-lines that immersed tube tunnel bears also increasing, that is planning at present just has two-way 8 track immersed tube tunnels.Along with the increase of number of track-lines, structure section lateral dimension also increases thereupon, and the design to structure and construction bring following problem:
Traditional rectangular cross section design, the stressed beam structure that is similar to of top board, for the consideration of immersed tube wall body cracking resistance, other reinforced concrete structures are high relatively for immersed tube tunnel reinforcement ratio, the increase meeting of reinforcement ratio is made troubles to constructing operation, even impact is vibrated, and cannot guarantee concrete density, has reached the problem of the limit of vibrating as occurred in the construction of Zhuhai and Macao bridge major project island, port tunnel engineering because the increase of reinforcement ratio causes concrete in casting process.
Conventional design of section thinking has been difficult to meet construction requirement, and design must be take feasible construction as prerequisite, and therefore how solving the contradiction existing in design and construction is the technical problem of being badly in need of solution.
Utility model content
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, and a kind of vault immersed tube tunnel is provided.
The technical solution of the utility model is: a kind of vault immersed tube tunnel, it is characterized in that: it comprises at least one immersed tube monomer, the top of described immersed tube monomer is domes, described immersed tube monomer comprises the duct of longitudinal perforation and the piping lane longitudinally connecting, described piping lane is arranged on top, duct, between piping lane and duct, be provided with passage, in piping lane, be provided with smoke vent.
Further, described immersed tube monomer is provided with two, and the domes at adjacent immersed tube monomer top are by straightway transition.
Further, described duct comprises roof, diapire and two sidewalls, and described sidewall is arranged between roof and diapire, and roof, diapire and two sidewalls surround a box-structure; Described piping lane comprises arc roof, and the two ends of described arc roof withstand on the upper surface of roof.
Further, described roof is along vertically to being provided with the passage of piping lane and duct UNICOM.
Preferably, between described roof, diapire and sidewall, pass through chamfering transition.
The utility model is a kind of improved immersed tube tunnel, has the tunnel top of optimization structure stress, reduces difficulty of construction, shortens the duration of a project, reduces the feature of construction costs.
Accompanying drawing explanation
Fig. 1 is immersed tube tunnel structural representation in background technology;
Fig. 2 is the immersed tube tunnel cross section arrangement of reinforcement schematic diagram described in Fig. 1;
Fig. 3 is the utility model structural representation.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Existing immersed tube tunnel is explained in detail in background technology as shown in Figure 1 and Figure 2, repeats no more in this.
Known according to background technology, along with immersed tube tunnel across footpath increase after, if still adopt original rectangular cross section, immersed tube tunnel lateral dimension is that horizontal span increases, just must increase arrangement of reinforcement to meet its structure stress requirement accordingly, and the requirement of the reinforcement ratio of application operability control cannot increase arrangement of reinforcement always, therefore start with to reduce immersed tube tunnel lateral dimension from changing section form, and then minimizing arrangement of reinforcement, be the unique method that solves this contradiction.
Under based on above-mentioned condition, a kind of vault immersed tube tunnel of the present embodiment design, as shown in Figure 3, it comprises at least one immersed tube monomer to its structural representation, and the top of immersed tube monomer is domes, to change immersed tube tunnel top force-bearing situation, immersed tube monomer comprises the duct 3 of longitudinal perforation and the piping lane 4 longitudinally connecting, and is two-way eight tracks at the highway of duct 3 interior layouts, and piping lane 4 is arranged on 3 tops, duct, between piping lane 4 and duct 3, be provided with passage, in piping lane 4, be provided with smoke vent 5.
When immersed tube monomer is provided with two, the domes at adjacent immersed tube monomer top are by straightway 6 transition.
Duct 3 in the present embodiment comprises roof 3.1, diapire 3.2 and two sidewalls 3.3, and sidewall 3.3 is arranged between roof 3.1 and diapire 3.2, and roof 3.1, diapire 3.2 and two sidewalls 3.3 surround a box-structure, and its cross section is direction; The cross section of piping lane 4 is raise up circular-arc, and it comprises arc roof 4.1, and the two ends of arc roof 4.1 withstand on the upper surface of roof 3.1, and the roof 3.1 in duct 3 is as the diapire of piping lane 4.Duct 3 is precast segment product with piping lane 4.
Roof 3.1 is along vertical to being provided with the passage 7 with duct 3 UNICOMs by piping lane 4.
In addition, between roof 3.1, diapire 3.2 and sidewall 3.3, pass through chamfering 3.3 transition.
The vault immersed tube tunnel that the utility model is designed, its construction method and conventional construction method are basic identical: immersed tube tunnel adopts sections prefabricated in factory or dry-docking, sections length 100-200m, sealed at both ends formation cavity, can, from floating in water, adopt tugboat transportation by driving to on-the-spot.Immersed tube conduit is developed at scene in advance, and the immersed tube sections that transportation by driving puts in place, by adding water sinking in cavity in conduit, connects section by section, then covers the materials such as cobble at immersed tube left and right and end face, and immersed tube is fixed; Its difference is the section structure of immersed tube tunnel
Than conventional immersed tube tunnel form of fracture, the utlity model has following advantage:
1, conventional design thinking designs the piping lane 4 of offering smoke vent side by side with duct 3, the utility model is arranged on piping lane 4 top in duct 3, the suffered restriction of cross dimensions of piping lane will significantly reduce, and more be conducive to smoke evacuation, and the area of smoke vent can meet code requirement simultaneously;
2, from construction angle, by conventional section top from being curvedly optimized for take pressurized as main vault as main beam being subject to, can greatly reduce section reinforcement ratio, the process of vibrating in concrete construction is more easily carried out, and optimize structure stress, and given full play to the compressive property of concrete material; In addition also can be by the stressing conditions of the horizontal steel Shu Gaishan of stretch-draw vault lower transverse beam;
3, from structure angle, as design of section thinking routinely designs, meeting under the requirement of design duct and ventilation smoke exhaust, the cross section of immersed tube tunnel is greater than the size that adopts the design scheme the utility model proposes across the design size in footpath, accordingly, cross section reduces to have reduced foundation trench excavation across footpath, greatly reduces construction costs, has good economic benefit.
The vault immersed tube tunnel that the utility model is designed, its construction method and conventional construction method are basic identical: immersed tube tunnel adopts sections prefabricated in factory or dry-docking, sections length 100-200m, sealed at both ends formation cavity, can, from floating in water, adopt tugboat transportation by driving to on-the-spot.Immersed tube conduit is developed at scene in advance, and the immersed tube sections that transportation by driving puts in place, by adding water sinking in cavity in conduit, connects section by section, then covers the materials such as cobble at immersed tube left and right and end face, and immersed tube is fixed.
Claims (5)
1. a vault immersed tube tunnel, it is characterized in that: it comprises at least one immersed tube monomer, the top of described immersed tube monomer is domes, described immersed tube monomer comprises the duct (3) of longitudinal perforation and the piping lane (4) longitudinally connecting, described piping lane (4) is arranged on top, duct (3), between piping lane (4) and duct (3), be provided with passage, in piping lane (4), be provided with smoke vent (5).
2. vault immersed tube tunnel according to claim 1, is characterized in that: described immersed tube monomer is provided with two, and the domes at adjacent immersed tube monomer top are by straightway (6) transition.
3. vault immersed tube tunnel according to claim 1, it is characterized in that: described duct (3) comprise roof (3.1), diapire (3.2) and two sidewalls (3.3), described sidewall (3.3) is arranged between roof (3.1) and diapire (3.2), and roof (3.1), diapire (3.2) and two sidewalls (3.3) surround a box-structure; Described piping lane (4) comprises arc roof (4.1), and the two ends of described arc roof (4.1) withstand on the upper surface of roof (3.1).
4. vault immersed tube tunnel according to claim 3, is characterized in that: described roof (3.1) edge is vertically to being provided with the passage (7) with duct (3) UNICOM by piping lane (4).
5. vault immersed tube tunnel according to claim 3, is characterized in that: between described roof (3.1), diapire (3.2) and sidewall (3.3), pass through chamfering (3.3) transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719486.5U CN203639944U (en) | 2013-11-13 | 2013-11-13 | Vault immersed tube tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719486.5U CN203639944U (en) | 2013-11-13 | 2013-11-13 | Vault immersed tube tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203639944U true CN203639944U (en) | 2014-06-11 |
Family
ID=50871202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320719486.5U Withdrawn - After Issue CN203639944U (en) | 2013-11-13 | 2013-11-13 | Vault immersed tube tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203639944U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572780A (en) * | 2013-11-13 | 2014-02-12 | 中交第二航务工程局有限公司 | Arch crown immersed tube tunnel |
| CN104727326A (en) * | 2015-02-16 | 2015-06-24 | 中交一航局第一工程有限公司 | Load shedding method of variable water level structure |
| CN105696626A (en) * | 2016-02-03 | 2016-06-22 | 袁根木 | Prefabrication method for large longest traffic public pipeline crossing river-sea bottom |
| CN110306671A (en) * | 2019-06-03 | 2019-10-08 | 北京城建集团有限责任公司 | A kind of construction method of multiple arch shape closing structure |
| CN110318783A (en) * | 2019-06-03 | 2019-10-11 | 北京城建集团有限责任公司 | A kind of thickness top plate domes closure steel bar framework and optimization method |
-
2013
- 2013-11-13 CN CN201320719486.5U patent/CN203639944U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572780A (en) * | 2013-11-13 | 2014-02-12 | 中交第二航务工程局有限公司 | Arch crown immersed tube tunnel |
| CN103572780B (en) * | 2013-11-13 | 2016-05-18 | 中交第二航务工程局有限公司 | Vault immersed tube tunnel |
| CN104727326A (en) * | 2015-02-16 | 2015-06-24 | 中交一航局第一工程有限公司 | Load shedding method of variable water level structure |
| CN105696626A (en) * | 2016-02-03 | 2016-06-22 | 袁根木 | Prefabrication method for large longest traffic public pipeline crossing river-sea bottom |
| CN110306671A (en) * | 2019-06-03 | 2019-10-08 | 北京城建集团有限责任公司 | A kind of construction method of multiple arch shape closing structure |
| CN110318783A (en) * | 2019-06-03 | 2019-10-11 | 北京城建集团有限责任公司 | A kind of thickness top plate domes closure steel bar framework and optimization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203639944U (en) | Vault immersed tube tunnel | |
| CN203702166U (en) | Segment lining ring structure applicable to rectangular tunnel | |
| CN105089669B (en) | A kind of underground station of use prefabricated parts and its construction method | |
| CN202440768U (en) | Closed concrete windproof prefabricated assembled open cut tunnel in high wind area | |
| CN203977572U (en) | A kind of high-rise building that adopts cast-in-situ hollow building roof | |
| CN202116971U (en) | Structure of prefabricated split profile steel-concrete hybrid beam combined part | |
| CN103046579A (en) | Lakebed open-excavation and concealed-burying tunnel structure with bidirectional eight lanes | |
| CN104988951A (en) | Straddle type monorail underground section rail wall structure and construction method thereof | |
| CN202543788U (en) | Precast segment assembly pier structure | |
| CN103572780B (en) | Vault immersed tube tunnel | |
| CN110761811A (en) | Layered soft rock tunnel asymmetric supporting structure and construction method | |
| CN211314228U (en) | A assembled lining cutting structure for highway tunnel | |
| CN103981944A (en) | High-rise building adopting cast-in-place hollow floors | |
| CN103244129A (en) | Construction method for three-dimensional intersection concave-convex fulcrums | |
| CN203320555U (en) | Layout structure of ballast water tanks of immersed tube tunnel | |
| CN204825963U (en) | Stride single track ground of formula hypomere track wall structure | |
| CN109838239B (en) | Construction method for subway single-layer underground excavation station | |
| CN203891066U (en) | Underground structure prefabricated ribbed-plate type component | |
| CN204551897U (en) | With the steel framework post of joint type linkage | |
| CN207362885U (en) | A kind of prefabricated piping lane system being freely combined | |
| CN205858373U (en) | For tunnel, culvert or the repairing and reinforcement structure of box piping lane | |
| CN203080733U (en) | External built-mold and internal masonry building structure system | |
| CN105298147A (en) | Ultra-deep foundation pit spiral descending quick material transportation passage and construction method thereof | |
| CN204691033U (en) | A kind of superposed beam prefabricated units for integral precast groined type building cover structure | |
| CN210509196U (en) | Large-section tunnel structure of hard rock stratum underground excavation single-layer lining subway parking line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |