CN203021884U - Internal double-layer prefabricated carriageway structure of shield tunnel - Google Patents
Internal double-layer prefabricated carriageway structure of shield tunnel Download PDFInfo
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- CN203021884U CN203021884U CN 201220703973 CN201220703973U CN203021884U CN 203021884 U CN203021884 U CN 203021884U CN 201220703973 CN201220703973 CN 201220703973 CN 201220703973 U CN201220703973 U CN 201220703973U CN 203021884 U CN203021884 U CN 203021884U
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Abstract
The utility model discloses an internal double-layer prefabricated carriageway structure of a shield tunnel, which mainly comprises a square prefabricated part for a lower carriageway, a carriageway foundation, an upper carriageway upright, a carriageway column connecting beam, an upper carriageway longitudinal beam and an upper prefabricated carriageway plate, wherein a concrete foundation is respectively poured on each of both sides of the square prefabricated part for a lower carriageway so as to form a lower carriageway pavement structure and a carriageway foundation structure; the upper carriageway upright, the carriageway column connecting beam and the upper carriageway longitudinal beam are respectively of a cast-in-situ reinforced concrete structure, and the inner side of the upper carriageway longitudinal beam is provided with brackets; and the upper prefabricated carriageway plate is transversely erected on the brackets, and then through post concrete pouring, an integral structure is formed. According to the utility model, the standardized and modular production is realized, the construction speed is quick, a large quantity of manpower and material resources for site construction can be saved, and good social benefits are achieved.
Description
Technical field
The utility model relates to tunnel and bridge technology field, relates to particularly a kind of structure of the prefabricated units that adopt in the inner double-deck runway of shield tunnel.
Background technology
Along with the exploitation of urban underground space, major diameter, long-distance shield structure method tunnel has obtained a large amount of application in the construction of city expressway.The tunnel railway network planning constantly increases, and the tunnel channel condition is more complicated, and present river, the tunnel over strait crossed be all toward the future development such as dark, large, long, difficult, and constructing tunnel has occurred that difficulty is large, complex process, long in time limit, a series of difficult points such as have a big risk.
The inner double decked lanes structure of shield structure is generally cast-in-place concrete structure.Concrete cast-in-situ construction is general adopts many modes that chassis is constructed simultaneously, and every section construction all need be carried out the work such as chassis location, assembling reinforcement, concreting, curing concrete, form removal, and the constructor who needs is numerous.The shield tunnel inner space is narrow and small, and personnel are intensive, and equipment is numerous, and when the inner lane structure of shield structure and shield structure synchronous construction, the construction organization difficulty is large, and potential safety hazard is many.
The concrete cast-in-situ working procedure is many, long construction period, and speed of application is slower.For solving the speed of application problem, must address this problem from method for designing." prefabricated, modularization " is frontline technology and the developing direction of design and construction at present, be prefabricated units with the primary structure member designs, adopt mechanized construction, pipelining, saving manpower, reducing in the tunnel aspect such as cast-in-place construction amount larger advantage is arranged, it is the important channel of accelerating speed of application.
The utility model content
The purpose of this utility model is to provide a kind of shield tunnel inner double-deck prefabricated runway structure, to adapt to the requirement of present rapid construction.
For achieving the above object, the inner double-deck prefabricated runway structure of the shield tunnel that the utility model provides, it mainly comprises:
The square shape prefabricated units of flyunder, basis, track, track, upper strata column, track post contact beam, the prefabricated lane plate of track, upper strata longeron and upper strata; Wherein:
The concreting basis, square shape prefabricated units both sides of flyunder forms flyunder road structure and track foundation structure;
Track, upper strata column, track post contact beam and track, upper strata longeron are monolithic reinforced concrete structure, and longeron inboard, track, upper strata is provided with bracket;
Track, upper strata precast plate crossbearer forms overall structure by rear pouring concrete on the bracket of longeron inboard, track, upper strata.
The inner double-deck prefabricated runway structure of described shield tunnel, wherein, track, upper strata precast plate is hollowcore slab.
The inner double-deck prefabricated runway structure of described shield tunnel, wherein, the two ends of track, upper strata precast plate and longeron top, track, upper strata are reserved with reinforcing bar, and track, upper strata precast plate crossbearer forms overall structure by reserved steel bar and rear pouring concrete on the bracket of longeron inboard, track, upper strata the time.
The inner double-deck prefabricated runway structure of described shield tunnel, wherein, track, upper strata precast plate crossbearer is on the bracket of longeron inboard, track, upper strata the time, leave the hinge seam between the side of track, every two upper stratas precast plate, make between the precast plate of track, upper strata by rear pouring concrete during installation and form overall structure.
The utility model has been realized the form of construction work of assembly unit in shield tunnel inside lane structure tunnel outer prefabricated, tunnel, has reduced the tunnel internal constructor, has accelerated the lane structure speed of application, realized tunnel piercing and internal construction synchronously, the breakthrough of rapid construction.
Description of drawings
Fig. 1 is flyunder layout plan of the present utility model;
Fig. 2 is track of the present utility model sectional drawing;
Fig. 3 is track, upper strata of the present utility model layout plan;
Fig. 4 is track, upper strata of the present utility model precast plate cross-sectional view (middle span precast plate);
Fig. 5 is track, upper strata of the present utility model precast plate cross-sectional view (end bay precast plate);
Sign flag explanation in accompanying drawing:
1 square shape prefabricated units, 2 bases, track, 3 track, upper strata columns, 4 track, upper strata precast plates, 5 hinge seams, 6 deformation joints, 7 track, upper strata longerons, 8 longeron delay-pour joint districts, track, 9 reserve connecting reinforcement, 10 track longeron brackets, 11 track post contact beams.
The specific embodiment
The utility model provides is used for the prefabricated structure of the inner double-deck runway of shield tunnel, and in this structure, the method for track, prefabricated upper strata precast plate outside the tunnel has been adopted in the track, upper strata; Track, upper strata column, track post contact beam, track, upper strata longeron are cast-in-place structural; Track, upper strata precast plate is connected by reserved steel bar with track, upper strata longeron, track, upper strata column, and is connected to form structural entity by rear pouring concrete.Stitch by hinge between the precast plate of track, upper strata and be connected to form integral body.
Specifically, technical solution of the present utility model is:
The structure design that flyunder adopts the square shape prefabricated units to combine with basis, cast-in-place track; Track, upper strata column and track, upper strata longeron adopt monolithic reinforced concrete structure; The structure design of watering after prefabricated lane plate+beam slab node is adopted in the track, upper strata, and track, upper strata precast plate and track, upper strata longeron form overall structure by reserved steel bar and rear pouring concrete.Adopt the hinge seam to connect between the precast plate of track, upper strata.
Flyunder structure of the present utility model comprises square shape prefabricated units and basis, track two parts, flyunder is hoisting port font prefabricated units at first, then at shield duct piece implantation track, square shape prefabricated units both sides reinforcement foundation, concreting forms complete flyunder and track basis.The square shape prefabricated units are precast reinforced concrete structure.
Track, upper strata of the present utility model precast plate is pre-fabricated reinforced concrete hollow plate, and two ends are reserved with reinforcing bar, and reinforcing bar and track, the upper strata longeron reserved by two ends are connected to become integral body by rear pouring concrete.Adopt the hinge seam to be connected to become integral body between the precast plate of track, upper strata.
Track, upper strata of the present utility model longeron is built at twice, and when building for the first time, track, upper strata longeron reserves the link position of track, upper strata precast plate in advance, and longeron inboard, track, upper strata arranges bracket, is used for lifting track, upper strata precast plate; Build for the second time is that track, upper strata longeron and track, upper strata precast plate are connected to become integral body.
The utility model is specially adapted to the rapid construction of the inner double decked lanes structure of shield tunnel.
Embodiment:
1) referring to Fig. 1, at the flyunder square shape prefabricated units 1 of mating formation;
2) referring to Fig. 2, the square shape prefabricated units both sides of having mated formation at flyunder build basis, track 2, track, upper strata column 3, track post contact beam 11, with track, upper strata longeron 7, longeron 7 inboards, track, upper strata arrange track longeron bracket 10 (as shown in Figure 4);
3) referring to Fig. 2 and Fig. 3, hang oneself on basis, track, upper strata 2 and load onto a layer track precast plate 4.When lifting track, upper strata precast plate 4, leave working hinge seam 5 between track, every two upper stratas precast plate 4, wait lift complete after hinge seam 5 place's concretings between track, upper strata precast plate 4, and at track, upper strata precast plate 4 and track, upper strata longeron 7 delay-pour joint district 8 place's concretings, make between track, upper strata precast plate 4, and form overall structure between track, upper strata precast plate 4 and track, upper strata longeron 7.
4) repeat above-mentioned steps 1-3, can realize the rapid construction of double-deck runway structure.
Claims (4)
1. the inner double-deck prefabricated runway structure of shield tunnel, is characterized in that, mainly includes square shape prefabricated units, basis, track, track, upper strata column, track post contact beam, the prefabricated lane plate of track, upper strata longeron and upper strata of flyunder; Wherein:
The square shape prefabricated units both sides of flyunder are the concrete foundation of building, and form flyunder road structure and track foundation structure;
Track, upper strata column, track post contact beam and track, upper strata longeron are monolithic reinforced concrete structure, and longeron inboard, track, upper strata is provided with bracket;
Track, upper strata precast plate crossbearer forms overall structure by rear pouring concrete on the bracket of the inboard of track, upper strata longeron.
2. the inner double-deck prefabricated runway structure of shield tunnel according to claim 1, is characterized in that, track, upper strata precast plate is hollowcore slab.
3. the inner double-deck prefabricated runway structure of shield tunnel according to claim 1 and 2, it is characterized in that, the two ends of track, upper strata precast plate and longeron top, track, upper strata are reserved with reinforcing bar, track, upper strata precast plate crossbearer forms overall structure by reserved steel bar and rear pouring concrete on the bracket of longeron inboard, track, upper strata the time.
4. the inner double-deck prefabricated runway structure of shield tunnel according to claim 1, it is characterized in that, track, upper strata precast plate crossbearer is on the bracket of longeron inboard, track, upper strata the time, leave the hinge seam between the side of track, every two upper stratas precast plate, made between the precast plate of track, upper strata by rear pouring concrete during installation and form overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703973 CN203021884U (en) | 2012-12-18 | 2012-12-18 | Internal double-layer prefabricated carriageway structure of shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703973 CN203021884U (en) | 2012-12-18 | 2012-12-18 | Internal double-layer prefabricated carriageway structure of shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203021884U true CN203021884U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220703973 Expired - Fee Related CN203021884U (en) | 2012-12-18 | 2012-12-18 | Internal double-layer prefabricated carriageway structure of shield tunnel |
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| CN (1) | CN203021884U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966016A (en) * | 2012-12-18 | 2013-03-13 | 中交公路规划设计院有限公司 | Internal double-layer prefabricated traffic lane structure of shield tunnel |
| CN104674625A (en) * | 2015-03-24 | 2015-06-03 | 招商局重庆交通科研设计院有限公司 | Underway structure and construction method thereof |
| CN106192646A (en) * | 2016-08-30 | 2016-12-07 | 宁波交通工程建设集团有限公司 | Vcehicular tunnel car-driving shock-absorbing denoising structure and construction method thereof |
| CN107989622A (en) * | 2018-01-23 | 2018-05-04 | 上海隧道工程有限公司 | Tunnel internal double-decker precast assembly construction method |
| CN110777583A (en) * | 2019-10-22 | 2020-02-11 | 上海市城市建设设计研究总院（集团）有限公司 | Tunnel reconstruction method for increasing number of lanes in existing shield tunnel |
| CN110821517A (en) * | 2019-11-28 | 2020-02-21 | 云南省建设投资控股集团有限公司 | Tunnel internal double-layer structure prefabrication and assembly construction method |
-
2012
- 2012-12-18 CN CN 201220703973 patent/CN203021884U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966016A (en) * | 2012-12-18 | 2013-03-13 | 中交公路规划设计院有限公司 | Internal double-layer prefabricated traffic lane structure of shield tunnel |
| CN102966016B (en) * | 2012-12-18 | 2016-01-13 | 中交公路规划设计院有限公司 | The prefabricated runway structure of a kind of shield tunnel internal double layers |
| CN104674625A (en) * | 2015-03-24 | 2015-06-03 | 招商局重庆交通科研设计院有限公司 | Underway structure and construction method thereof |
| CN106192646A (en) * | 2016-08-30 | 2016-12-07 | 宁波交通工程建设集团有限公司 | Vcehicular tunnel car-driving shock-absorbing denoising structure and construction method thereof |
| CN106192646B (en) * | 2016-08-30 | 2018-07-06 | 宁波交通工程建设集团有限公司 | Vcehicular tunnel car-driving shock-absorbing denoising structure and its construction method |
| CN107989622A (en) * | 2018-01-23 | 2018-05-04 | 上海隧道工程有限公司 | Tunnel internal double-decker precast assembly construction method |
| CN110777583A (en) * | 2019-10-22 | 2020-02-11 | 上海市城市建设设计研究总院（集团）有限公司 | Tunnel reconstruction method for increasing number of lanes in existing shield tunnel |
| CN110821517A (en) * | 2019-11-28 | 2020-02-21 | 云南省建设投资控股集团有限公司 | Tunnel internal double-layer structure prefabrication and assembly construction method |
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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 |
Granted publication date: 20130626 Termination date: 20171218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |