CN101435342B - Tunnel ring direction drainpipe equipped with strip heat-insulating layer - Google Patents
Tunnel ring direction drainpipe equipped with strip heat-insulating layer Download PDFInfo
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- CN101435342B CN101435342B CN2008102327968A CN200810232796A CN101435342B CN 101435342 B CN101435342 B CN 101435342B CN 2008102327968 A CN2008102327968 A CN 2008102327968A CN 200810232796 A CN200810232796 A CN 200810232796A CN 101435342 B CN101435342 B CN 101435342B
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- ring direction
- behind
- tunnel
- insulating layer
- direction drainpipe
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Abstract
The invention discloses a tunnel circumferential drainage pipe provided with a band insulation layer. The tunnel circumferential drainage pipe comprises a circumferential drainage pipe behind the liner wall, and two circumferential drainage pipe which are arranged below the road surface and are connected with two ends of the circumferential drainage pipe behind the liner wall., wherein the circumferential drainage pipes behind the liner wall is a water permeable pipe, the two circumferential drainage pipe arranged below the road surface are arranged transversely and are communicated with the circumferential drainage pipe behind the lining wall and a central drainage pipe at the center of the tunnel. The band insulation layer arranged at one side of the circumferential drainage pipe behind the liner wall close to a concrete lined wall comprises two layers of waterproof boards and a heat insulation material layer between the two layers of the waterproof boards. The tunnel circumferential drainage pipe has a simple structure, low cost, and short flow distance of drainage. In addition, the heat insulation material is not soaked by stratum seeped water, and the pipe is not blocked due to icing, so the stratum seeped water behind the tunnel liner wall can be effectively and rapidly drained.
Description
Technical field
The present invention relates to a kind of tunnel ring direction drainpipe, especially relate to a kind of tunnel ring direction drainpipe that is provided with strip heat-insulating layer.
Background technology
The freezing of drainage system behind the tunnel Chang Yinqi lining wall of cold district, particularly freezing of ring direction drainpipe, and cause tunnel drainage not smooth, and bring out various freezing damage in tunnel.Existing tunnel ring direction drainpipe means to prevent freezing has two kinds: the one, at the external surface of tunnel lining insulation layer is set comprehensively; The 2nd, insulation layer is set behind the tunnel lining wall comprehensively.The weak point of first method is: in cold season, if the tunnel lining waterproof is not tight, infiltration can be soaked the insulation layer on lining cutting surface, reduces the heat-insulating property of insulation layer, and the insulation layer peeling is come off, and infiltration is in lining cutting or road surface trickling and icing.The weak point of second method is: do not note the waterproof and dampproof of insulation layer, insulation layer is in the moist environment throughout the year, and its heat-insulating property can significantly reduce.In addition, all more complicated, construction costs height of the construction technology of two kinds of methods.Of the prior art, the stratum infiltration is pooled in the both sides longitudinal drainage pipe that corner is laid outside the tunnel lining substrate by ring direction drainpipe, flow through again and be communicated with the transverse drain of longitudinal drainage pipe and tunnel central drain, discharge by central drain at last, the distance of flowing through seeps water on its stratum, because of reason such as freeze in the pipeline causes impeded drainage, practical effect is poor easily.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of tunnel ring direction drainpipe that is provided with strip heat-insulating layer is provided, it is simple in structure, cost is low, draining is flowed through apart from short, and because of the immersion that heat insulating material is not seeped water by or not the stratum, can not stop up in the pipeline, so after getting rid of the tunnel lining wall effectively fast seep water in the stratum because of freezing.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of tunnel ring direction drainpipe that is provided with strip heat-insulating layer, it is characterized in that: below, two road surfaces ring direction drainpipe at ring direction drainpipe two ends after comprising ring direction drainpipe behind the lining wall and being connected lining wall, ring direction drainpipe is a water-permeable pipe behind the described lining wall, below, described two road surfaces ring direction drainpipe becomes horizontally set, and is communicated with ring direction drainpipe behind the lining wall and is positioned at the central drain at center, tunnel; Ring direction drainpipe is provided with strip heat-insulating layer near a concrete-lined side behind the described lining wall, and described strip heat-insulating layer comprises two-layer splash guard and is arranged on adiabator layer between this two-layer splash guard.
Be provided with geotextiles between the ring direction drainpipe behind described strip heat-insulating layer and the lining wall.
Link together by the heat seal weld seam between the two-layer splash guard of described strip heat-insulating layer.
Below, described road surface ring direction drainpipe outer setting has annular adiabator layer.
Ring direction drainpipe is circular or semicircle spring water-permeable pipe behind the described lining wall.
The present invention compared with prior art has the following advantages: 1, simple in structure, easy for installation.2, the present invention takes the method for partial insulation, promptly directly on the ring direction drainpipe insulation layer is being set below ring direction drainpipe behind the lining wall and the road surface, its with prior art in behind tunnel lining wall surface or wall, lay insulation layer comprehensively method compare, cost reduces greatly, and adiabator layer is arranged between the two-layer splash guard in the strip heat-insulating layer, so adiabator layer can not soaked high insulating effect by the stratum infiltration.3, the present invention is provided with ring direction drainpipe below the road surface that is connected with the tunnel central drain at the two ends of ring direction drainpipe behind the lining wall, so the stratum that ring direction drainpipe is collected behind lining wall infiltration directly is discharged to central drain from below, road surface ring direction drainpipe, it compared with prior art, stratum infiltration behind the lining wall in the ring direction drainpipe need not be pooled to the longitudinal drainage pipe of laying along tunnel wall earlier, be discharged to central drain from the longitudinal drainage pipe again, infiltration is flowed through and is given prominence to apart from short and drainage effect.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Description of reference numerals:
Ring direction drainpipe behind the 1-lining wall; Below, 2-road surface ring direction drainpipe; The 3-strip heat-insulating layer;
4-annular adiabator layer; Preliminary bracing surface, 5-tunnel; 6-U type card;
The 7-geotextiles; The 8-splash guard; The 9-adiabator layer;
The 10-splash guard; 11-heat seal weld seam; The 12-weld seam;
The 13-tunnel waterproofing layer; The outer corner of 14-lining cutting substrate; 15-concrete lining;
The 16-central drain.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes ring direction drainpipe 1 and corresponding below, two road surfaces ring direction drainpipe 2 that is connected its two ends behind the lining wall, wherein, ring direction drainpipe 1 is a water-permeable pipe behind the lining wall, below, two road surfaces ring direction drainpipe is horizontally installed on the tunnel road surface below for 2 one-tenths, and is communicated with ring direction drainpipe 1 behind the lining wall and is positioned at the central drain 16 at center, tunnel.In use, stratum infiltration enters behind the lining wall behind the ring direction drainpipe 1 behind the tunnel lining wall, and ring direction drainpipe 2 is directly discharged from central drain 16 through below, two road surfaces.For prevent behind the lining wall ring direction drainpipe 1 cold season frozen cause the tunnel lining wall after impeded drainage; ring direction drainpipe 1 is provided with strip heat-insulating layer near a side of concrete lining 15 behind lining wall; be that strip heat-insulating layer is arranged on behind the lining wall between the ring direction drainpipe 1 and concrete lining 15; described strip heat-insulating layer comprises the two-layer splash guard that links together and the adiabator layer 9 that is arranged between this two-layer splash guard constitutes; adiabator layer 9 is owing to be subjected to the protection of two-layer splash guard; thereby do not soaked by the stratum infiltration; high insulating effect, effectively temperature retention time is long.In the present embodiment,, link together by heat seal weld seam 11 between the two-layer splash guard of strip heat-insulating layer being provided with geotextiles 7 behind strip heat-insulating layer and the lining wall between the ring direction drainpipe 1.Simultaneously, below, road surface ring direction drainpipe 2 outer setting have annular adiabator layer 4, freeze to prevent its pipe interior.Ring direction drainpipe 1 is selected circle or semicircle spring water-permeable pipe for use behind the lining wall, and below, road surface ring direction drainpipe 2 is the normal discharge pipe that does not have water permeability.
Installation process of the present invention is: at first along arch cross section, tunnel and be close to tunnel preliminary bracing surface 5 and lay ring direction drainpipe 1 behind the lining walls, wherein, the two ends of ring direction drainpipe 1 lay respectively at outer corner 14 places of both sides lining cutting substrate of tunnel cross section behind the lining wall, and with U type card 6 ring direction drainpipe behind the lining wall 1 are fixed on the preliminary bracing surface, tunnel 5; Secondly, geotextiles 7 and splash guard 8 are combined with each other, again heat insulating material 9 is clipped between splash guard 8 and the splash guard 10, and will be tightly connected around splash guard 8 and the splash guard 10, make splash guard 8, adiabator layer 9 and splash guard 10 form strip heat-insulating layer 3 by heat seal weld seam 11; Use is hung method strip heat-insulating layer 3 is covered behind the wall on the ring direction drainpipe 1, by weld seam 12 with splash guard 8 and conventional tunnel waterproofing layer 13 splicings; Excavation connects the lateral trench of the outer corner 14 of lining cutting substrate to tunnel central drain 16, ring direction drainpipe 2 below the road surface pavement in groove, one end corner 14 places outside the lining cutting substrate of below, road surface ring direction drainpipe 2 are connected with ring direction drainpipe 1 behind the lining wall, the other end of below, road surface ring direction drainpipe 2 is connected with central drain 16 in the tunnel bottom center, wherein, the body arranged outside around below, road surface ring direction drainpipe 2 has annular adiabator layer 4; Tunnel ring direction drainpipe is laid and is finished, and enters subsequent processing.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, every according to the technology of the present invention essence to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solution of the present invention.
Claims (5)
1. tunnel ring direction drainpipe that is provided with strip heat-insulating layer, it is characterized in that: below, two road surfaces ring direction drainpipe (2) at ring direction drainpipe (1) two ends after comprising ring direction drainpipe (1) behind the lining wall and being connected lining wall, ring direction drainpipe behind the described lining wall (1) is a water-permeable pipe, described two road surfaces below ring direction drainpipes (2) become horizontally set, and are communicated with ring direction drainpipe (1) behind the lining wall and are positioned at the central drain (16) at center, tunnel; Ring direction drainpipe behind the described lining wall (1) is provided with strip heat-insulating layer (3) near a side of concrete lining (15), and described strip heat-insulating layer (3) comprises two-layer splash guard and is arranged on adiabator layer (9) between this two-layer splash guard.
2. according to the described tunnel ring direction drainpipe that is provided with strip heat-insulating layer of claim 1, it is characterized in that: be provided with geotextiles (7) behind described strip heat-insulating layer (3) and the lining wall between the ring direction drainpipe (1).
3. according to claim 1 or the 2 described tunnel ring direction drainpipes that are provided with strip heat-insulating layer, it is characterized in that: connect by heat seal weld seam (11) between the two-layer splash guard of described strip heat-insulating layer (3).
4. according to claim 1 or the 2 described tunnel ring direction drainpipes that are provided with strip heat-insulating layer, it is characterized in that: below, described road surface ring direction drainpipe (2) outer setting has annular adiabator layer (4).
5. according to claim 1 or the 2 described tunnel ring direction drainpipes that are provided with strip heat-insulating layer, it is characterized in that: ring direction drainpipe behind the described lining wall (1) is circular or semicircle spring water-permeable pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102327968A CN101435342B (en) | 2008-12-22 | 2008-12-22 | Tunnel ring direction drainpipe equipped with strip heat-insulating layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102327968A CN101435342B (en) | 2008-12-22 | 2008-12-22 | Tunnel ring direction drainpipe equipped with strip heat-insulating layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101435342A CN101435342A (en) | 2009-05-20 |
| CN101435342B true CN101435342B (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102327968A Expired - Fee Related CN101435342B (en) | 2008-12-22 | 2008-12-22 | Tunnel ring direction drainpipe equipped with strip heat-insulating layer |
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| CN (1) | CN101435342B (en) |
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| CN102094677B (en) * | 2009-12-11 | 2012-10-24 | 中铁十一局集团有限公司 | Emergency equipment for adverse-slope tracking water drainage and silt discharging in tunnel construction |
| CN101798939B (en) * | 2010-03-17 | 2013-04-24 | 中铁隧道勘测设计院有限公司 | Maintainable tunnel drainage system |
| CN102678174B (en) * | 2012-05-28 | 2015-03-18 | 中交第一公路勘察设计研究院有限公司 | Arrangement method of tunnel drainage system passing through permafrost region and non-frozen ground region |
| CN103742191B (en) * | 2014-01-24 | 2015-09-02 | 中铁第一勘察设计院集团有限公司 | Rich water tunnel advanced long-distance large-caliber precipitation passage and construction method thereof |
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| CN104372749B (en) * | 2014-11-25 | 2016-03-30 | 中铁第四勘察设计院集团有限公司 | The drainage system of cut type open cut tunnel structure |
| CN104594946A (en) * | 2015-01-19 | 2015-05-06 | 中铁十八局集团有限公司 | Water-rich narrow tunnel water drainage structure under soft surrounding rock condition |
| CN104775833B (en) * | 2015-04-07 | 2016-08-24 | 山西省交通科学研究院 | A kind of tunnel in cold area anti-freezing and heat-insulating system and anti-freezing and heat-insulating construction method |
| CN104806272B (en) * | 2015-04-15 | 2015-12-09 | 西安科技大学 | Tunnel shunting combined type guarded drainage integrated system and construction method and using method |
| CN105525946B (en) * | 2015-12-30 | 2018-01-16 | 国家电网公司 | The transverse drainage of tunnel palisades |
| CN105545355B (en) * | 2016-01-19 | 2018-02-06 | 西南交通大学 | The discharge structure of tunnel bottom suitable for rich water lithostratigraphy |
| CN105840210B (en) * | 2016-06-12 | 2018-09-21 | 中铁二院工程集团有限责任公司 | The compound arch tunnel lining structure in box tunnel bottom with hydrophobic function |
| CN105986836B (en) * | 2016-06-14 | 2018-12-14 | 中铁隧道勘测设计院有限公司 | A kind of single-track railway tunnel substrate guarded drainage strengthen the system |
| CN106437841B (en) * | 2016-10-27 | 2019-05-07 | 中煤第三建设（集团）有限责任公司 | It is a kind of can antiseep railway tunnel draining blind pipe and its construction method |
| CN107178393B (en) * | 2017-07-07 | 2023-08-25 | 中铁第四勘察设计院集团有限公司 | Tunnel secondary lining water pressure control structure |
| CN107575264A (en) * | 2017-10-13 | 2018-01-12 | 北京工业大学 | A kind of composite material corrugated slab supporting waterproof and water drainage system |
| CN109681271B (en) * | 2019-01-04 | 2021-01-08 | 交通运输部公路科学研究所 | Method for arranging circumferential drainage pipes of pre-buried tunnel |
| CN110552739B (en) * | 2019-10-09 | 2024-07-23 | 铁科创恒新材料科技有限公司 | Tunnel auxiliary heating type heat preservation integrated drainage system |
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| JP2000303800A (en) * | 1999-04-20 | 2000-10-31 | Osaka Bosui Constr Co Ltd | Cleaning device and cleaning method for water introducing gutter in underground structure |
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- 2008-12-22 CN CN2008102327968A patent/CN101435342B/en not_active Expired - Fee Related
Patent Citations (6)
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| JP2000303800A (en) * | 1999-04-20 | 2000-10-31 | Osaka Bosui Constr Co Ltd | Cleaning device and cleaning method for water introducing gutter in underground structure |
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| CN201310381Y (en) * | 2008-12-22 | 2009-09-16 | 长安大学 | Tunnel toroidal drainpipe with stripped insulating layer |
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| Publication number | Publication date |
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| CN101435342A (en) | 2009-05-20 |
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Granted publication date: 20110420 Termination date: 20111222 |