CN101949293A - Periphery water stop structure of tunnel plug and setting method thereof - Google Patents
Periphery water stop structure of tunnel plug and setting method thereof Download PDFInfo
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- CN101949293A CN101949293A CN 201010501531 CN201010501531A CN101949293A CN 101949293 A CN101949293 A CN 101949293A CN 201010501531 CN201010501531 CN 201010501531 CN 201010501531 A CN201010501531 A CN 201010501531A CN 101949293 A CN101949293 A CN 101949293A
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- concrete foundation
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- sealing sheet
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Abstract
The invention discloses a periphery water stop structure of a tunnel plug. One part of the water stop sheet of the water stop structure is pre-embedded in concrete foundation; the inner wall of the concrete foundation is reserved with a groove; the part of the water stop sheet, which is not pre-embedded in the concrete foundation, is contained in the groove after bent; and the opening of the groove is provided with a cover plate capable of opening. The invention also provides a setting method of the water stop structure, specifically comprising the following steps: when an elevated module is adopted to pour the concrete foundation, one part of the water stop sheet is pre-embedded in the concrete foundation, and a groove is reserved on the inner wall of the concrete foundation; after the concrete foundation is poured by adopting the elevated module, the part of the water stop sheet, which is not pre-embedded in the concrete foundation, is contained in the groove after bent; the opening of the groove is provided with a cover plate capable of opening; and before the plug is poured, the cover plate is opened, the water stop sheet is straightened, and the plug is poured to block a tunnel. The setting method of the invention has few working procedures, and simple and convenient construction and can effectively protect the water stop sheet.
Description
Technical field
The present invention relates to the peripheral water stopping structure and the method to set up thereof of tunnel and interim pod apertures plug, the dash plug of hole and access tunnel shutoff is propped up in the construction of be applicable to interim pod apertures in Diversion Tunnel in the Hydraulic and Hydro-Power Engineering, the dam, passing seepage proof curtain.
Background technology
During Hydraulic and Hydro-Power Engineering is built,, interim water conservancy diversion bottom outlet in Diversion Tunnel, the dam usually is set, and is that hole and access tunnel are propped up in all kinds of constructions that satisfied construction and traffic require according to the needs of construction period current control.Along with the progress of engineering, finish after corresponding water conservancy diversion and the traffic task in each cavern and aperture, needs to adopt the concrete plug to carry out shutoff.Aspect construction, the execution conditions of plug are poor, and the construction period is tight, the particularly shutoff of interim pod apertures in Diversion Tunnel and the dam.Aspect service condition, plug often bears about high water head, and be difficult to overhaul, if the construction of shutoff plug is bad, then may influences the performance of engineering retaining and benefit, even influence the safety of engineering, so to the shutoff quality requirement than higher, therefore, for preventing plug periphery seepage, the plug periphery also need be provided with the sealing sheet.The practice commonly used of sealing sheet setting at present is to bury grout stop plate underground at the hoop fluting before shutoff, perhaps adopts to paste or the method for bolt anchoring fix the sealing sheet, and these modes all exist poor reliability, construction complexity, take problems such as shutoff duration.
For addressing the above problem, publication number provides a kind of method to set up of drain plug peripheral water stopping sheet of tunnel plug for the patent of invention of CN101649746A.The main feature of this method is (to be referred to as concrete lining in the documents on formwork erection concreting basis, the application is with its upper concrete foundation that is summarised as) time, to be bent in the L shaped concrete foundation of sealing sheet integral built-in after building, before needs are built plug, again the surperficial layer of concrete on the inwall of concrete foundation is chiseled, to expose the dogleg section of L shaped sealing sheet, build out plug with tunnel shutoff after breaking off with the fingers and thumb L shaped sealing sheet directly this moment again.Realistic saying, said method have produced certain effect really, but this method is not have defective.Significantly problem is, the process that surperficial layer of concrete is chiseled is cumbersome, and injures the sealing sheet easily.
Summary of the invention
Technical problem solved by the invention provides a kind of peripheral water stopping structure that can better protect the tunnel plug of sealing sheet.
The present invention solves this technical problem the technical scheme that is adopted:
The peripheral water stopping structure of tunnel plug, the part of sealing sheet is embedded in the concrete foundation, be reserved with groove on the inwall of this concrete foundation, the sealing sheet is not embedded in to be included in this groove after part in the concrete foundation is bent, and the opening part of this groove is provided with openable cover plate.
Compare with disclosed technical scheme in the background technology, the part that the sealing sheet is not embedded in the concrete foundation is protected by groove and cover plate, and cover plate is closed or opened and can not impact the sealing sheet, and this water-stopping structure uses also more convenient.
As further improvement of these options, around described groove, be provided with and the sealing sheet together is embedded in connecting elements in the concrete foundation, described cover plate is installed on this connecting elements.The effect that connecting elements is set is the installation of convenient cap plate.Such as, connecting elements and cover plate all can adopt steel, so just connecting elements and cover plate can be welded as a whole, and reach to make both close-connected purposes.
As further improvement of these options, described cover plate flushes with the inwall of concrete foundation.Its purpose is that when also need not to build plug, tunnel is often born the effect of earial drainage, cover plate is flushed with the inwall of concrete foundation can avoid the hole inner fluid is produced big resistance, also can reduce the suffered water impact of cover plate simultaneously.
The present invention also provides the method to set up of above-mentioned water-stopping structure, is specially:
During formwork erection concreting basis, the part of sealing sheet is embedded in the concrete foundation, and on the inwall of concrete foundation, reserves groove; Behind the formwork erection concreting basis, the part that the sealing sheet is not embedded in the concrete foundation bends and includes in this groove, and then at the opening part of groove openable cover plate is set; Before need building plug, straight sealing sheet is opened and broken off with the fingers and thumb to cover plate, build out plug then the tunnel shutoff.
Compare with disclosed technical scheme in the background technology, this set method operation of the present invention is few, and easy construction can effectively be protected the sealing sheet.Wherein, the method for obligating fixing, groove of sealing sheet is the known technology of this area during formwork erection concreting basis, and the application does not set forth this.
As to these further improvements in methods, during formwork erection concreting basis, pre-buried connecting elements around the groove of reserving, and make the part that is used for linking to each other on this connecting elements be positioned at the outside of the concrete foundation after building with cover plate.The fixation problem of connecting elements was similarly the known technology of this area when equally, the formwork erection concreting was basic.
As to these further improvements in methods, described connecting elements and cover plate all adopt steel, after the sealing sheet is not embedded in the part bending in the concrete foundation and includes groove in, connecting elements and cover plate are welded as a whole again; Before need building plug, again cover plate is severed and exposed the sealing sheet.Welding can guarantee the bonding strength between connecting elements and the cover plate.
As to these further improvements in methods, during formwork erection concreting basis, reserve the installation site of cover plate, make cover plate that the back is installed and flush with the inwall of concrete foundation.The front that acts on that cover plate installation back is flushed with the inwall of concrete foundation has explanation.During formwork erection concreting basis, the concrete grammar that reserves the installation site of cover plate is a techniques well known.
The invention has the beneficial effects as follows: water-stopping structure of the present invention and method to set up reliability height; operation is few; easy construction; practical; do not take the shutoff duration; can effectively protect the sealing sheet and not influence water conservancy diversion or traffic; adopt the steel plate protection to tackle and contain washing away of husky high-velocity flow; can bear the current influence of construction machinery; compare later stage fluting and bury underground or other fixed forms, the sealing sheet combines more closely with concrete, does not have leakage passage; improve anti-seepage effect, guaranteed workmanship.
Description of drawings
Fig. 1 is the pre-buried figure of sealing sheet of the present invention.
Sealing sheet pattern figure when Fig. 2 is plug concreting of the present invention.
Be labeled as among the figure: sealing sheet 1, connecting elements 2, cover plate 3, concrete foundation 4, inwall 5, reinforcing bar 6, plug 7, groove 8.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, formwork erection concreting basis 4 o'clock is proposing the position of putting sealing sheet 1, and structure reinforcing bars 6 should bend up, and makes sealing sheet 1 and connecting elements 2 that enough burial places be arranged; Connecting elements 2 can use i iron, lays respectively at sealing sheet 1 upstream and downstream side, in the time of fixedly, should reserve the installation site of protection with steel cover plate 3.Formwork erection concreting basis 4 then.During formwork erection, should reserve groove 8.After the form removal, push sealing sheet 1 and make its concrete surface of being close to groove 8, steel cover plate 3 is installed then, and weld seam is fixed on the connecting elements 2 around adopting continuously, promptly finished the pre-buried of sealing sheet 1 and protection.The outer surface of cover plate 3 should flush with the inwall 5 of concrete foundation 4.As shown in Figure 2, before the shutoff tunnel, cover plate 3 is severed, sealing sheet 1 is pulled the normal position fixed, can carry out the concreting of plug 7.
Claims (8)
1. the peripheral water stopping structure of tunnel plug, it is characterized in that: the part of sealing sheet (1) is embedded in the concrete foundation (4), be reserved with groove (8) on the inwall (5) of this concrete foundation (4), sealing sheet (1) is not embedded in to be included in this groove (8) after part in the concrete foundation (4) is bent, and the opening part of this groove (8) is provided with openable cover plate (3).
2. the peripheral water stopping structure of tunnel plug as claimed in claim 1, it is characterized in that: be provided with around described groove (8) and sealing sheet (1) together is embedded in connecting elements (2) in the concrete foundation (4), described cover plate (3) is installed on this connecting elements (2).
3. the peripheral water stopping structure of tunnel plug as claimed in claim 2 is characterized in that: described connecting elements (2) all adopts steel with cover plate (3) and is welded as a whole.
4. as the peripheral water stopping structure of claim 1,2 or 3 described tunnel plugs, it is characterized in that: described cover plate (3) flushes with the inwall (5) of concrete foundation (4).
5. the method to set up of the peripheral water stopping structure of tunnel plug is characterized in that: during formwork erection concreting basis (4), the part of sealing sheet (1) is embedded in the concrete foundation (4), and reserves groove (8) on the inwall of concrete foundation (4); Behind the formwork erection concreting basis (4), the part that sealing sheet (1) is not embedded in the concrete foundation (4) bends and includes in this groove (8), and then at the opening part of groove (8) openable cover plate (3) is set; It is preceding to build plug (7), and straight sealing sheet (1) is opened and broken off with the fingers and thumb to cover plate (3), builds out plug (7) then with the tunnel shutoff.
6. the method to set up of the peripheral water stopping structure of tunnel plug as claimed in claim 5, it is characterized in that: during formwork erection concreting basis (4), at the pre-buried connecting elements of reserving of groove (8) (2), and make the part that is used for linking to each other on this connecting elements (2) be positioned at the outside of the concrete foundation (4) after building on every side with cover plate (3).
7. the method to set up of the peripheral water stopping structure of tunnel plug as claimed in claim 6, it is characterized in that: described connecting elements (2) all adopts steel with cover plate (3), after sealing sheet (1) is not embedded in the part bending in the concrete foundation (4) and includes groove (8) in, again connecting elements (2) and cover plate (3) are welded as a whole; It is preceding to build plug (7), cover plate (3) is severed again and is exposed sealing sheet (1).
8. as the method to set up of the peripheral water stopping structure of claim 5,6 or 7 described tunnel plugs, it is characterized in that: during formwork erection concreting basis (4), reserve the installation site of cover plate (3), make cover plate (3) that the back is installed and flush with the inwall of concrete foundation (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105015310A CN101949293B (en) | 2010-10-09 | 2010-10-09 | Periphery water stop structure of tunnel plug and setting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105015310A CN101949293B (en) | 2010-10-09 | 2010-10-09 | Periphery water stop structure of tunnel plug and setting method thereof |
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| CN101949293A true CN101949293A (en) | 2011-01-19 |
| CN101949293B CN101949293B (en) | 2012-11-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071668A (en) * | 2011-02-28 | 2011-05-25 | 河海大学 | Dam grout stopping body and arranging method thereof |
| CN102587937A (en) * | 2012-03-08 | 2012-07-18 | 长沙理工大学 | Combined hydraulic high-pressure tunnel plug |
| CN105064281A (en) * | 2015-07-24 | 2015-11-18 | 中国十九冶集团有限公司 | Large-volume concrete blocking body structure in hydraulic tunnel and block pouring method thereof |
| CN107605511A (en) * | 2017-08-31 | 2018-01-19 | 中国电建集团北京勘测设计研究院有限公司 | Cavern's plug peripheral water stopping structure and its construction method |
| CN109356104A (en) * | 2018-11-22 | 2019-02-19 | 中水电第十工程局（郑州）有限公司 | Temporarily use access gallery structure and its full period construction method |
| CN110513112A (en) * | 2019-09-04 | 2019-11-29 | 中国电建集团中南勘测设计研究院有限公司 | A kind of flowing hole forms device and shaft construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999024750A1 (en) * | 1997-11-08 | 1999-05-20 | Glynwed Pipe Systems Limited | Jointing ring |
| JP2002188400A (en) * | 2000-12-20 | 2002-07-05 | Kureha Elastomer Co Ltd | Cut-off structure for joint in buried conduit, and method therefor |
| CN2844218Y (en) * | 2005-11-13 | 2006-12-06 | 中国水电顾问集团华东勘测设计研究院 | Panel-pile stone-dam peripheral gap water-stopping structure |
| JP2007197927A (en) * | 2006-01-24 | 2007-08-09 | Bridgestone Corp | Jointing method of water cut-off material having hollow valve and water cut-off material |
| CN201802414U (en) * | 2010-10-09 | 2011-04-20 | 中国水电顾问集团成都勘测设计研究院 | Peripheral water-stopping structure of tunnel plug |
-
2010
- 2010-10-09 CN CN2010105015310A patent/CN101949293B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999024750A1 (en) * | 1997-11-08 | 1999-05-20 | Glynwed Pipe Systems Limited | Jointing ring |
| JP2002188400A (en) * | 2000-12-20 | 2002-07-05 | Kureha Elastomer Co Ltd | Cut-off structure for joint in buried conduit, and method therefor |
| CN2844218Y (en) * | 2005-11-13 | 2006-12-06 | 中国水电顾问集团华东勘测设计研究院 | Panel-pile stone-dam peripheral gap water-stopping structure |
| JP2007197927A (en) * | 2006-01-24 | 2007-08-09 | Bridgestone Corp | Jointing method of water cut-off material having hollow valve and water cut-off material |
| CN201802414U (en) * | 2010-10-09 | 2011-04-20 | 中国水电顾问集团成都勘测设计研究院 | Peripheral water-stopping structure of tunnel plug |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071668A (en) * | 2011-02-28 | 2011-05-25 | 河海大学 | Dam grout stopping body and arranging method thereof |
| CN102587937A (en) * | 2012-03-08 | 2012-07-18 | 长沙理工大学 | Combined hydraulic high-pressure tunnel plug |
| CN102587937B (en) * | 2012-03-08 | 2014-03-12 | 长沙理工大学 | Combined hydraulic high-pressure tunnel plug |
| CN105064281A (en) * | 2015-07-24 | 2015-11-18 | 中国十九冶集团有限公司 | Large-volume concrete blocking body structure in hydraulic tunnel and block pouring method thereof |
| CN107605511A (en) * | 2017-08-31 | 2018-01-19 | 中国电建集团北京勘测设计研究院有限公司 | Cavern's plug peripheral water stopping structure and its construction method |
| CN109356104A (en) * | 2018-11-22 | 2019-02-19 | 中水电第十工程局（郑州）有限公司 | Temporarily use access gallery structure and its full period construction method |
| CN110513112A (en) * | 2019-09-04 | 2019-11-29 | 中国电建集团中南勘测设计研究院有限公司 | A kind of flowing hole forms device and shaft construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101949293B (en) | 2012-11-14 |
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Owner name: CHENGDU HYDROELECTRIC INVESTIGATION + DESIGN INSTI Free format text: FORMER NAME: CHENGDU HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF CHINA HYDROPOWER CONSU |
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Address after: 610072 Sichuan city of Chengdu province's North Road No. Patentee after: Chengdu Hydroelectric Investigation & Design Institute of SPC Address before: 610072 Sichuan city of Chengdu province's North Road No. Patentee before: Chengdu Hydroelectric Investigation & Design Institute of China Hydropower Consu |
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Address after: 610072 Sichuan city of Chengdu province's North Road No. Patentee after: Co., Ltd of Chengdu survey and design academy of electricity Jian group of China Address before: 610072 Sichuan city of Chengdu province's North Road No. Patentee before: Chengdu Hydroelectric Investigation & Design Institute of SPC |