CN201254992Y - Whole round steel ring - Google Patents
Whole round steel ring Download PDFInfo
- Publication number
- CN201254992Y CN201254992Y CN 200820152500 CN200820152500U CN201254992Y CN 201254992 Y CN201254992 Y CN 201254992Y CN 200820152500 CN200820152500 CN 200820152500 CN 200820152500 U CN200820152500 U CN 200820152500U CN 201254992 Y CN201254992 Y CN 201254992Y
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Abstract
The utility model discloses a wholly circular steel ring, which is formed by splicing a plurality of identical structural monomer rings. Each structural monomer ring comprises an arc-shaped web; the two sides of the outer arc surface of the arc-shaped web are respectively welded with an outer arc flange steel plate; the two sides of the inner arc surface of the arc-shaped web are respectively welded with an inner flange arc-shaped steel plate; and the two ends of each structural monomer are also provided with an end plate respectively. The utility model has higher anti-deformation capacity. Simultaneously, the utility model has the correction function of a certain degree for the roundness and flatness of the reinforced concrete segment through simple adjustment, and can correct the rough structural annulus of the reinforced concrete segment.
Description
Technical field
The utility model relates to the shield tunnel technical field of construction, relates in particular to a kind of full circle steel loop that is used as constructing tunnel auxiliary construction thing.
Background technology
Along with the continuous development of underground construction, the shield method circular tunnel has been widely used in the design and construction in tunnel.The structure construction of shield method circular tunnel is to be connected the circular ring structure body that block-by-block is assembled into by the section of jurisdiction with ring, longitudinal bolt between the section of jurisdiction.Parameters such as the circularity of this structure, planeness will have influence on the quality of construction.
The negative ring that forms in active well (steel concrete annulus) can produce under the effect of reinforced concrete segment self gravitation vertically to distortion, should vertically will have influence on out of roundness, the planeness of steel concrete anchor ring and the subtended angle of reinforced concrete segment seam etc. of a positive ring tunnel initial diameter always, bring serious negative effect to workmanship to distortion.
For the construction quality that makes shield tunnel is further enhanced, those skilled in the art be devoted to develop always a kind of infusion of financial resources less, can significantly improve the supplementary structure of constructing tunnel quality.
The utility model content
Because the above-mentioned defective of prior art, technical problem to be solved in the utility model provide a kind of infusion of financial resources less, can significantly improve the full circle steel loop of constructing tunnel quality.
For achieving the above object, the utility model provides a kind of full circle steel loop, the structure monomer annular identical by polylith is spliced, described structure monomer comprises an arc-shaped webs, the extrados both sides of described arc-shaped webs are welded with outer arc edge of a wing steel plate respectively, edge of a wing curved plate in the intrados both sides of described arc-shaped webs are welded with respectively, the two ends of described structure monomer also have end plate respectively.
Preferably, also offer manipulator on the described structure monomer and seize mouth on both sides by the arms.
Preferably, also be provided with a plurality of hook bolts that are used to adjust on the curved plate of the edge of a wing in described.
Full circle steel loop of the present utility model adopts high-strength steel sheet to be welded, owing to adopt said structure, thereby in practice of construction, have very high non-deformability.Simultaneously,, out of roundness, the planeness of reinforced concrete segment had to a certain degree calibration function, can also revise the out-of-flatness of reinforced concrete segment structure anchor ring by easy adjustment.The full circle steel loop structure that polylith is assembled has the function of transmission up to the kiloton immense pressure because intensity is very high on its anchor ring.
Because above beneficial effect, adopt that full circle steel loop of the present utility model can assembly unit goes out the out of roundness height, the anchor ring planeness is good, the circular tunnel that annulus segment joint subtended angle is little, percolating water is few.
Be described further below with reference to the technique effect of accompanying drawing, to understand the purpose of this utility model, feature and effect fully design of the present utility model, concrete structure and generation.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model one specific embodiment;
Fig. 2 is the structural representation of a structure monomer among Fig. 1;
Fig. 3 is the lateral view of structure monomer among Fig. 2.
The specific embodiment
Fig. 1 is the overall structure schematic diagram of the utility model one specific embodiment, and as can be seen from Fig. 1, a full circle steel loop has comprised N1, N2, N3, N4, N5, N6, N7 and N8 totally 8 chip architecture monomers in the present embodiment.The physical dimension of each structure monomer is identical, and the high-strength bolt by the end is bolted together.
As Fig. 2, shown in Figure 3 be example explanation with structure monomer N1, the structure monomer N1 in the present embodiment comprises an arc-shaped webs 1, the curved plate that arc-shaped webs 1 is a 500mm height (identical with the section of jurisdiction height), 30mm is thick.The extrados both sides of arc-shaped webs 1 are welded with outer arc edge of a wing steel plate 2 respectively, and outer arc edge of a wing steel plate 2 is the thick steel plate of a 20mm.Edge of a wing curved plate 3 in the intrados both sides of arc-shaped webs 1 are welded with respectively, interior edge of a wing curved plate 3 is the steel plate that a 150mm is wide, 20mm is thick, thereby forms the arc structure that a section is " worker " font substantially.The two ends of structure monomer N1 also have end plate 4 respectively, and end plate 4 is the thick steel plate of a 30mm, and two adjacent structure monomers are bolted together by the high-strength bolt between the end plate, form a full circle steel loop agent structure identical with the tunnel duct piece external diameter.
Also be provided with a plurality of the hook bolts 5 that are used to adjust on the interior edge of a wing curved plate 3.Be provided with the out of roundness adjusting play of 10～20mm between interior edge of a wing curved plate 3 and the tunnel duct piece inner arc, the out of roundness adjustment is finished by a plurality of the hook bolts 5 on the edge of a wing curved plate 3 in being fixed on.The full circle steel loop is regulated the out of roundness of reinforced concrete segment structure, only need be in the tunnel hook bolt 5 of reserving be advanced and retreat and regulates and can realize, and is very easy.
The jack pressure that acts on anchor ring is passed to stiffener by arc-shaped webs 1 again by passing on the arc-shaped webs 1 with the corresponding power transmission cushion block in jack position.Be connected by high-strength bolt between piece and the piece, its erection method is identical with pipe sheet assembling with assembly form.
Shield machine tool hand is seized mouthful knot on both sides by the arms and is embedded in by local steel concrete and builds in the force-transmitting block that forms.Also be provided with connecting hole on the structure hoop arc-shaped webs 1 with the vertical screw uniform distances of reinforced concrete segment, after negative ring is removed, in vertical screw of uniform distances, penetrate and possess first ring and the place ahead is three times in the longitudinal bolt that the tunnel diameter length range links, interim backer when the full circle steel loop had both encircled as assembly unit is first is again as a part that forms flexible joint between tunnel and the active well.The power transmission cushion block only is used for transmitting jack pressure, during each monolithic section of jurisdiction of the first endless tube sheet of shield structure assembly unit, removes the local power transmission cushion block of implementing the assembly unit scope, encircles assembly unit until head and finishes.
Full circle steel loop of the present utility model adopts high-strength steel sheet to be welded, owing to adopt said structure, thereby in practice of construction, have very high non-deformability.Simultaneously,, out of roundness, the planeness of reinforced concrete segment had to a certain degree calibration function, can also revise the out-of-flatness of reinforced concrete segment structure anchor ring by easy adjustment.The full circle steel loop structure that polylith is assembled has the function of transmission up to the kiloton immense pressure because intensity is very high on its anchor ring.
Because above beneficial effect, adopt that full circle steel loop of the present utility model can assembly unit goes out the out of roundness height, the anchor ring planeness is good, the circular tunnel that annulus segment joint subtended angle is little, percolating water is few.
Should be appreciated that, in claims of the present utility model, manual, all " comprising ... " all are interpreted as open implication, and just its implication is equal to " containing at least ... ", and should not be construed as enclosed implication, promptly its implication should not be construed " only comprising ... ".
In sum, described in this manual is several preferred embodiment of the present utility model, and above embodiment is only unrestricted in order to the explanation the technical solution of the utility model.All technician in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be within claim protection domain of the present utility model.
Claims (3)
1, a kind of full circle steel loop, the structure monomer annular identical by polylith is spliced, it is characterized in that: described structure monomer comprises an arc-shaped webs, the extrados both sides of described arc-shaped webs are welded with outer arc edge of a wing steel plate respectively, edge of a wing curved plate in the intrados both sides of described arc-shaped webs are welded with respectively, the two ends of described structure monomer also have end plate respectively.
2, full circle steel loop as claimed in claim 1 is characterized in that: also be provided with a plurality of hook bolts that are used to adjust on the curved plate of the edge of a wing in described.
3, full circle steel loop as claimed in claim 1 is characterized in that: also offer manipulator on the described structure monomer and seize mouth on both sides by the arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820152500 CN201254992Y (en) | 2008-08-29 | 2008-08-29 | Whole round steel ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820152500 CN201254992Y (en) | 2008-08-29 | 2008-08-29 | Whole round steel ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201254992Y true CN201254992Y (en) | 2009-06-10 |
Family
ID=40738308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820152500 Expired - Fee Related CN201254992Y (en) | 2008-08-29 | 2008-08-29 | Whole round steel ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201254992Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273437A (en) * | 2012-11-10 | 2013-09-04 | 上海中远川崎重工钢结构有限公司 | Positioning device for steel structure tunnel bushing ring precision control |
| CN103481365A (en) * | 2013-09-07 | 2014-01-01 | 安徽富强混凝土有限公司管桩分公司 | Rounding unit for feeding of concrete pipe piles |
| CN104675413A (en) * | 2015-02-16 | 2015-06-03 | 济南轨道交通集团有限公司 | Tunnel segment rounder and using method thereof |
| CN108316945A (en) * | 2018-04-09 | 2018-07-24 | 中铁工程装备集团有限公司 | A kind of rectangle or special-shaped shield tunnel chip architecture |
-
2008
- 2008-08-29 CN CN 200820152500 patent/CN201254992Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273437A (en) * | 2012-11-10 | 2013-09-04 | 上海中远川崎重工钢结构有限公司 | Positioning device for steel structure tunnel bushing ring precision control |
| CN103481365A (en) * | 2013-09-07 | 2014-01-01 | 安徽富强混凝土有限公司管桩分公司 | Rounding unit for feeding of concrete pipe piles |
| CN103481365B (en) * | 2013-09-07 | 2015-07-15 | 安徽富强混凝土有限公司管桩分公司 | Rounding unit for feeding of concrete pipe piles |
| CN104675413A (en) * | 2015-02-16 | 2015-06-03 | 济南轨道交通集团有限公司 | Tunnel segment rounder and using method thereof |
| CN108316945A (en) * | 2018-04-09 | 2018-07-24 | 中铁工程装备集团有限公司 | A kind of rectangle or special-shaped shield tunnel chip architecture |
| CN108316945B (en) * | 2018-04-09 | 2024-06-25 | 中铁工程装备集团有限公司 | Rectangular or special-shaped shield tunnel segment structure |
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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: 20090610 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |