CN101100944B - Segment deformation control and flood-proof device and operation method for tunnel opening construction - Google Patents
Segment deformation control and flood-proof device and operation method for tunnel opening construction Download PDFInfo
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- CN101100944B CN101100944B CN200610028751A CN200610028751A CN101100944B CN 101100944 B CN101100944 B CN 101100944B CN 200610028751 A CN200610028751 A CN 200610028751A CN 200610028751 A CN200610028751 A CN 200610028751A CN 101100944 B CN101100944 B CN 101100944B
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- cover plate
- doorframe
- guide rail
- slidingtype cover
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Abstract
This is a duck piece distortion control and anti-submerge device to prevent duck piece distortion during construction and collapse upon water/dust burst and submerge of main channel. The structure includes prestress bracket system, door frame, sliding cover and guiding device. The door frame is welded to the steel duck piece at hatch. The sliding cover is fastened on a curve steel rail of a circle bracket to the two sides of the hatch. The guiding device is composed by calbe and chain block. The sliding cover is capable of sliding along the rail to close the door by human control the cable. Loading on the slide cover is supported by the prestress bracket to avoid distortion to the duck piece and collapse.
Description
Technical field
The invention belongs to the shield tunnel construction field, relate to side direction or bottom opening engineering constructions such as tunnel connection channel or external pump house, especially tunnel duct piece Deformation control and tunnel flood guard technology under this operating mode.
Background technology
When highway and railway tunnel are built, consider tunnel drainage, factor such as the escape of taking precautions against natural calamities, supporting facility such as pump house or service channel need be set usually, Fig. 1,2 is the build together schematic diagram of structure of Shanghai tunnel connection channel and pump house.For shield tunnel, build service channel or pump house just need the main body tunnel build finish after, open near the good lining segment of tunnel lateral or bottom assembly unit (usually adopting the assembly unit of steel pipe sheet the opening part), carry out opening construction.In the loosening sand or saturated soft clay stratum of, self-stable ability difference strong in water permeability, the general Mine Method tunneling construction of adopting based on soil stabilization of opening engineering, soil stabilization method commonly used comprises: slip casting method, high-pressure rotary spraying method, deep mixing method, freezing process etc.
Tunnel opening construction mainly exists big the reaching of main body tunnel duct piece distortion to reinforce the risk that inefficacy peristome water burst gushes husky two aspects.
For the main body tunnel structure of opening part, behind the opening, its hoop integral rigidity obviously descends, and the tunnel duct piece circumferential deformation strengthens, and in addition, the suffered load of opening part changes distribution or asymmetrical distribution into by symmetrical distribution, will cause that the localized tunnel longitudinal strain strengthens.For the service channel construction of adopting freezing process to reinforce, the existence of freezing up power also will cause the distortion of main structure body tunnel lining segment.In order to control segment deformation, firm tunnel structure, to guarantee tunnel safety, be necessary near the tunnel internal opening part, to be provided with auxiliary support system, the prestress stent system shown in Fig. 3,4 commonly used at present.This system mainly comprises the prestress stent 1 on several Pin plane that the adjacent apertures place arranges and vertically connects girder steel 2 two large divisions.The plane prestress stent by planar rings to steelframe 3 be fixed on jack 4, the steel pipe 5 of planar rings on steelframe 3 and constitute, support tunnel duct pieces 7 by pad 6.Vertically connect girder steel 2 and socket each Pin prestress stent 1, constitute the space structures system, to improve the tunnel integral rigidity.That this system has is safe and reliable, flexible arrangement, draw materials and easy for installation, prestressing force is adjustable, keep construction space very much not hinders advantages such as construction.
On the other hand, because soil stabilization operate miss when having defective or opening construction, may cause extensive water burst, gush the generation of dangerous situations such as sand.Usually be provided with at the tunnel opening place and prevent flooding door, in case above-mentioned dangerous situation occurs, the anti-door that floods of emergency cut-off pours into main tunnel to stop water, sand.The existing anti-door that floods is shown in Fig. 5,6.The anti-door that floods comprises doorframe 8 and cover plate 9 two large divisions for full steel structure.Doorframe 8 welds together by the steel pipe sheet 11 that connects steel plate 10 and opening part, one side of cover plate 9 is connected with doorframe 8 by folding 12, there is blocking device 13 on other three limit, cover plate 9 is opened in the time of normal construction, cover plate 9 be can close as emergency, cover plate 9 and doorframe 8 firm closure guaranteed by blocking device 13.Also be provided with pressurization hole 14 on the cover plate 9, also can rebulid the development that pressure balance controls the dangerous circumstances in case of necessity by pressurization hole 14 injection water or compressed air.From domestic anti-actual conditions of flooding an application, it is simple that this form anti-flooded door structure, and water shutoff is strong.
Pre existing stress strutting system floods the separate setting of door with anti-, the anti-door that floods only is welded on the steel pipe sheet 11 of opening part, and prestress stent system main support with steel pipe sheet 11 adjacent certain limits in reinforced concrete segment on, strengthened whole tunnel longitudinal rigidity and to the not contribution of the Deformation control of steel pipe sheet 11 opening part parts, during opening construction, in case more serious water burst takes place, gush sand, may cause the distortion that opening part steel pipe sheet 11 is bigger, cause the seam between steel pipe sheet 11 and reinforced concrete segment, steel pipe sheet 11 opens the formation infiltration with an anti-seam that is connected 10 of steel plates of flooding, leak the sand passage, although this moment, cover plate 9 was closed with doorframe 8, water burst in the main tunnel of also unable prevention gushes sand, prevent flooding an inefficacy, along with entering main tunnel water, the increase of sand amount, the prestress stent system lost efficacy, and tunnel structure destroys.
In addition, prevent that flooding a system also exists some other defective, as: it is bigger to prevent flooding a deadweight, acts directly on the steel pipe sheet 11 to cause extra segment deformation; The big body weight of cover plate 9 shapes is difficult to close rapidly; The cover plate of opening 9 takies big tunnel space, influences construction operation.
Summary of the invention
The present invention is directed to pre existing stress strutting system and anti-deficiency of flooding a system, be intended to solve opening construction segment deformation and tunnel and flood protection two big key issues, a kind of novel shield tunnel opening construction segment deformation control and flood-proof device are provided.
For achieving the above object, solution of the present invention is:
Control of a kind of novel tunnel opening construction segment deformation and flood-proof device comprise prestress stent, anti-ly flood door, are that the prestress stent of segment deformation control is connected the structure that is integrated with preventing flooding.
Further, the anti-door that floods comprises doorframe, slidingtype cover plate, and doorframe is connected with opening part steel pipe sheet, and the edge is provided with some connecting holes, is used for being connected and fixed with the slidingtype cover plate; The slidingtype cover plate is an arc, and one side is flat dustpan-shaped, and on the arc steel guide rail of two Pin prestress stents, the slidingtype side edge thereof has some connecting holes about tipping upside down on, and is used for being connected and fixed with arc steel guide rail and doorframe.
On each Pin ring prestress stent arc steel guide rail is arranged respectively one about opening part, settle to cooperate the slidingtype cover plate, some connecting holes are set on the arc steel guide rail, be used for being connected and fixed with the slidingtype cover plate.
Draw-gear comprises cable, iron cucurbit, and the iron cucurbit is fixed on the prestress stent and moves up and down with control slidingtype cover plate.
Behind this device installation in position, when normal construction, the slidingtype cover plate is promoted to certain height by draw-gear along the arc steel guide rail, and it is fixed on safely on the arc steel guide rail by pin; When dangerous situation takes place, extract pin, the slidingtype cover plate is put down rapidly, the slidingtype cover plate is connected and fixed with arc-shaped guide rail, doorframe respectively by the connecting hole above it, make slidingtype cover plate and doorframe locking, sealing hole by blocking device again.
The distortion of steel pipe sheet in the tunnel that connects doorframe is controlled by the prestressing force that prestress stent itself applies.
The present invention is compared with prior art: realizing also having following advantage when segment deformation control and tunnel flood safeguard function:
1. being born by prestress stent from heavy load of slidingtype cover plate applies disadvantageous imposed load can for the steel pipe sheet, ensured the globality of steel pipe sheet, avoided the extra distortion of steel pipe sheet;
2. under the state of emergency, the slidingtype cover plate can be closed rapidly by the draw-gear that hawser and iron cucurbit constitute, for rescue tries to gain time precious to one;
3. the slidingtype cover plate is in outside the construction operation scope at ordinary times, can not hinder construction.
Description of drawings
Fig. 1 is existing service channel and the pump house structure service channel longitudinal plan of building together;
Fig. 2 is an A-A sectional drawing among Fig. 1;
Fig. 3 is an existing tunnel prestress stent system support longitudinal plan;
Fig. 4 is a B-B sectional drawing among Fig. 3;
Fig. 5 is the anti-side view that floods of existing service channel;
Fig. 6 is the anti-front view that floods of existing service channel;
Fig. 7 is the tunnel structure Deformation control and the slidingtype flooding-proof closing door integral structure schematic diagram of an embodiment of the present invention;
Fig. 8 is a C-C sectional drawing among Fig. 7;
Fig. 9 is the slidingtype cover plate floor map of an embodiment of the present invention;
(1. stress support 2. vertically connects girder steel 3. planar rings and connects between steel plates 11. steel pipe sheets, 12. foldings 13. blocking devices, 14. pressurization hole 15. slidingtype cover plates, 16. arc steel guide rails and cover plate the connecting hole 19. hawsers 20. iron cucurbits 21. connecting holes 22. cable hole 23. arc edges of a wing between connecting hole 17. arc steel guide rails, 18. doorframes and cover plate to steelframe 4. jack 5. steel pipes 6. pads 7. tunnel duct pieces 8. doorframes 9. cover plates 10.)
The specific embodiment
A kind of novel shield tunnel opening construction segment deformation control and flood-proof device, comprise prestress stent, doorframe 8, slidingtype cover plate 15, draw- gear 19,20, the tunnel is anti-to be flooded closing with the firm prestress stent 1 by the segment deformation hierarchy of control of doorframe 8 and the steel pipe sheet 11 that is connected thereof of door and is achieved.
The anti-door that floods is made up of doorframe 8, slidingtype cover plate 15.Doorframe 8 is by welding, and modes such as rivet are connected with opening part steel pipe sheet 11, and the edge has respectively row's some connecting holes, is used for and slidingtype cover plate 15 riveted and fixed; Slidingtype cover plate 15 is an arc, one side is flat dustpan-shaped, about tipping upside down on the arc steel guide rail 17 of two Pin prestress stents 1, and can control it by draw- gear 19,20 moves up and down along arc steel guide rail 17, slidingtype cover plate 15 same edges have respectively two row's some connecting holes, is used for and arc steel guide rail 17 and doorframe 8 riveted and fixed.
On each Pin ring prestress stent 1 arc steel guide rail 17 is arranged respectively one about opening part, settle and move up and down, some connecting holes are arranged on the arc steel guide rail 17, be used for and slidingtype cover plate 15 riveted and fixed as slidingtype cover plate 15.
Draw-gear is made up of cable 19 and iron cucurbit 20, and iron cucurbit 20 is fixed on the prestress stent 1, moves up and down in order to control slidingtype cover plate 15.
The distortion of steel pipe sheet 11 in the tunnel that connects doorframe 28 is controlled by the prestressing force that prestress stent 1 applies itself.
The present invention mainly comprises with lower member: prestress stent 1, slidingtype cover plate 15, draw- gear 19,20, doorframe 8 etc.The prestress stent system is the framework of whole member, formed by original single the improvement as the strutting system that supports tunnel duct piece, compare with original strutting system, on the two Pin prestress stents 1 of safety door both sides arc steel guide rail 17 is arranged respectively one, as preventing flooding the guide rail of slidingtype cover plate 15 and a support.And doorframe 8 still can adopt steel, and is fixing by connecting steel plate 10, for example is welded on the parameatal steel pipe sheet 11.Slidingtype cover plate 15 is triangle dustpan-shaped (space between its shape and doorframe and the girder steel coincide), tips upside down on the arc steel guide rail 17 of service channel both sides prestress stent 1, can slide along arc steel guide rail 17 by draw- gear 19,20 controls.Draw-gear comprises hawser 19, iron cucurbit 20, and iron cucurbit 20 is connected support 1 an other side, can handle slidingtype cover plate 15 by manpower control hawser 19 and slide up and down along arc steel guide rail 17.
The present invention is integrated the prestress stent system of segment deformation control with the anti-door that floods. as Fig. 7, Fig. 8, the prestress stent system still is supported on the interior reinforced concrete segment of the adjacent certain limit of steel pipe sheet to increase the tunnel integral rigidity, simultaneously, consideration will prevent that the cover plate 9 that floods door changes slidingtype cover plate 15 into, as Fig. 9, on the anti-prestress stent 1 that floods a both sides, arc steel guide rail 17 is set, slidingtype cover plate 15 passes through trailer system during unlatching---hawser 19, iron cucurbit 20 places doorframe 8 tops, can close rapidly at state of emergency downslide dynamic formula cover plate 15. under slidingtype cover plate 15 closed conditions, prestress stent 1 reaches fixedly by slidingtype cover plate 15 to doorframe 8, and the steel pipe sheet 11 of doorframe provides support, restrain the distortion of steel pipe sheet 11, prevent seam between steel pipe sheet 11 and reinforced concrete segment and steel pipe sheet 11 and prevent that flooding a seam that is connected 10 of steel plates opens.
Concrete structure of the present invention and working method see also Fig. 7, Fig. 8, shown in Figure 9,
A kind of novel shield tunnel opening construction segment deformation control is flooded the protection integrated device with the tunnel, comprises prestress stent body 1, doorframe 8, slidingtype cover plate 15, draw- gear 19,20 etc.
It is dustpan-shaped that slidingtype cover plate 15 is triangle, tips upside down on the arc steel guide rail 17 of two Pin prestress stents 1 about opening, can control it by draw- gear 19,20 and slide up and down along arc steel guide rail 17.
Anti-flooding when closed, prestress stent 1 provides support to the steel pipe sheet 11 that links to each other with doorframe 8 by slidingtype cover plate 15, restrains the distortion of steel pipe sheet 11 generations to the inboard, tunnel.
The tunnel opening construction Deformation control is as follows with anti-method of operating of flooding integrated device: behind this device installation in position, when normal construction, slidingtype cover plate 15 is promoted to certain height by draw- gear 19,20 along arc steel guide rail 17, and by pin it is fixed on safely on the arc steel guide rail 17, as Fig. 7, shown in Figure 8; When dangerous situation takes place, extract pin, slidingtype cover plate 15 put down rapidly, with rivet with slidingtype cover plate 15 by the row of two above it connecting hole 21 respectively with arc steel guide rail 17, doorframe 8 riveted and fixed, make slidingtype cover plate 15 and doorframe 8 lockings, sealing hole by blocking device 13 again.
Above-mentionedly the embodiment purpose of description is convenient to those skilled in the art can understands and applies the invention.The person skilled in the art obviously can be easily makes various modifications to the embodiment here, and the General Principle in this explanation is applied among other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (4)
1. a novel tunnel opening construction segment deformation is controlled and flood-proof device, comprise prestress stent, the anti-door that floods, it is characterized in that: the prestress stent of segment deformation control is connected the structure that is integrated with preventing flooding, the anti-door that floods comprises doorframe (8), slidingtype cover plate (15), doorframe (8) is connected with opening part steel pipe sheet (11), the edge is provided with some connecting holes, is used for being connected and fixed with slidingtype cover plate (15); Slidingtype cover plate (15) is an arc, one side is flat dustpan-shaped, about tipping upside down on the arc steel guide rail (17) of two Pin prestress stents (1), and control it by draw-gear and move up and down along arc steel guide rail (17), there are some connecting holes at slidingtype cover plate (15) edge, is used for being connected and fixed with arc steel guide rail (17) and doorframe (8).
2. novel tunnel opening construction segment deformation control according to claim 1 and flood-proof device, it is characterized in that: described draw-gear comprises cable (19), iron cucurbit (20), and iron cucurbit (20) is fixed on prestress stent (1) and upward moves up and down with control slidingtype cover plate (15).
3. according to the method for operating of arbitrary described novel tunnel opening construction segment deformation control in the claim 1 to 2 with flood-proof device, it is characterized in that: behind this device installation in position, when normal construction, slidingtype cover plate (15) is promoted to certain height by draw-gear (19,20) along arc steel guide rail (17), and it is fixed on safely on the arc steel guide rail (17) by pin; When dangerous situation takes place, extract pin, slidingtype cover plate (15) is put down rapidly, slidingtype cover plate (15) is connected and fixed with arc-shaped guide rail (17), doorframe (8) respectively by the connecting hole above it (21), make slidingtype cover plate (15) and doorframe (8) locking, sealing hole by blocking device (13) again.
4. the method for operating of novel tunnel opening construction segment deformation control according to claim 3 and flood-proof device, it is characterized in that: the distortion of steel pipe sheet (11) in the tunnel that connects doorframe (8) is controlled by the prestressing force that prestress stent (1) applies itself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610028751A CN101100944B (en) | 2006-07-07 | 2006-07-07 | Segment deformation control and flood-proof device and operation method for tunnel opening construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610028751A CN101100944B (en) | 2006-07-07 | 2006-07-07 | Segment deformation control and flood-proof device and operation method for tunnel opening construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101100944A CN101100944A (en) | 2008-01-09 |
| CN101100944B true CN101100944B (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610028751A Expired - Fee Related CN101100944B (en) | 2006-07-07 | 2006-07-07 | Segment deformation control and flood-proof device and operation method for tunnel opening construction |
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| CN (1) | CN101100944B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839141B (en) * | 2010-04-08 | 2012-06-06 | 上海市隧道工程轨道交通设计研究院 | Emergency subaqueous tunnel flood-prevention construction method for subaqueous tunnels |
| CN101845823B (en) * | 2010-04-08 | 2011-09-21 | 上海市隧道工程轨道交通设计研究院 | Steel plate mound used as temporary anti-flood structure for subaqueous tunnel |
| CN102080553B (en) * | 2010-12-18 | 2012-08-29 | 中铁十七局集团第一工程有限公司 | Quick plugging and draining device and method of pressure water outlet |
| CN103215926B (en) * | 2013-03-20 | 2014-12-10 | 中船重工环境工程有限公司 | Vertical hoisting platform anti-flooding door applied to underground building waterproofing field |
| CN104500094B (en) * | 2014-12-23 | 2017-05-03 | 上海市城市建设设计研究总院（集团）有限公司 | Lining connecting structure applicable to jacking pipe for implementing connection passage |
| CN105649112A (en) * | 2016-03-22 | 2016-06-08 | 上海市政工程设计研究总院（集团）有限公司 | Sliding stainless steel cover plate device and actuation method thereof |
| CN109469497B (en) * | 2018-12-05 | 2020-07-07 | 张辉 | Movable tunnel segment supporting frame for subway construction |
| CN112065468B (en) * | 2020-09-23 | 2022-11-01 | 中铁工程装备集团有限公司 | Subway station structure and construction method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2451704Y (en) * | 2000-12-06 | 2001-10-03 | 铁道部第三勘测设计院 | Weight bolt-lifting fireproof door |
-
2006
- 2006-07-07 CN CN200610028751A patent/CN101100944B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2451704Y (en) * | 2000-12-06 | 2001-10-03 | 铁道部第三勘测设计院 | Weight bolt-lifting fireproof door |
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| CN101100944A (en) | 2008-01-09 |
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Granted publication date: 20100512 Termination date: 20120707 |