CN101021155A - Tunnel double-lining protection draining structure - Google Patents
Tunnel double-lining protection draining structure Download PDFInfo
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- CN101021155A CN101021155A CN 200710008693 CN200710008693A CN101021155A CN 101021155 A CN101021155 A CN 101021155A CN 200710008693 CN200710008693 CN 200710008693 CN 200710008693 A CN200710008693 A CN 200710008693A CN 101021155 A CN101021155 A CN 101021155A
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- arch
- blind pipe
- pipes
- arched
- horizontal direction
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Abstract
The present invention relates to a tunnel double-liner water-proof and drainage structure, specially it is a tunnel construction arched hole structure applicable to drainage structure. It is characterized by that in the arched outside edges of longitudinal two end portions of arched hole body of every section secondary liner concrete layer several arched blink pipes are fixed, and in the horizontal outside edge of two side lower end portions of secondary liner concrete layer several horizontal direction blink pipes are fixed, the arched blink pipes are connected with horizontal direction blink pipes by means of three-way pipes, another outlet of every three-way pipe is communicated with water drain.
Description
Technical field: the present invention relates to constructing tunnel arch hole structure, be specially adapted to discharge structure.
Prior art: constructing tunnel is to excavate out earlier tunnel trunk at present, then to wall rock grouting blocking water, squeezes into anchor pole to country rock again, and it is radial that anchor pole is circumference.Along steel mesh reinforcement on the wide cloth in arch hole, then sprayed mortar is laid blind pipe vertical, that laterally interlock, makes reinforced concrete floor form arch hole, first road waterproofing course again.The structure of blind pipe is a geotextiles parcel helical form iron wire, outer geotextiles suction, infiltration, and tube core spiral iron wire had both played the tube wall effect of supporting, and its pipe inner via hole played the logical effect of current again, and country rock is dripped drains into the ditch by blind pipe.The second road waterproofing course is to attach splash guard at the first road waterproofing course inner surface, and the splash guard material is plastic plates such as EVA, makes it to become the arch hole with welding.The 3rd road waterproofing course is the first short abutment wall of vertical both sides fluid concrete along the tunnel, then above short abutment wall, pour into a mould arch concrete barrel, pour a section concrete arch barrel, just be provided with waterstop at this barrel longitudinal terminal surface, waterstop is installed in half concrete of formerly pouring into a mould of Time Bandwidth, second half exposes, so that the cast of next section arch barrel the time is wrapped, becomes the leakproof seal bar of two sections arch concrete barrel junctions.Also available sealing rod is as the pre-buried processing of weather strip between two sections arch barrels.
Exist in the three road construction of waterproof layer because of normal leak hole and the pervious seam of causing of constructing, leakage cause mainly contains: the steel bar end of steel mesh reinforcement exposes and the sharp stone of the barrel projection excavate scratches splash guard, and the anchor pole head is handled the bad initiation too hole that leaks; The second road splash guard welding quality also can cause leaks; When the 3rd road barrel is poured into a mould, between chassis arch punching block and splash guard, push splash guard because of pouring pressure, and splash guard can upwards head on former barrel point stone when being extruded and causes splash guard and produced the hole that leaks by bursting, also can produce pervious seam because of the construction technology problem between sealing rod, waterstop and the arch barrel, the arch barrel of secondary lining and both sides abutment wall be not because be the consubstantiality cast, and just there is constuction joint in itself.These all are the factors that causes tunnel leak, infiltration.Will form water pocket in the interlayer of press water barrel upper surface in infiltration enters the arch of secondary lining, water pressure is during greater than the impervious ability of secondary lining layer of concrete, and its weak link is that percolating water will appear in constuction joint, settlement joint.The structure of second and third road waterproofing course just only plays a part anti-, stifled, and effect of taking to prevent, arrange structure useless.
Summary of the invention: the objective of the invention is to overcome above-mentioned defective, a kind of tunnel double-lining protection draining structure of preventing, arranging combination is provided.
Invention scheme: be fixed with the arch blind pipe on edge, the vertical both ends of arch barrel of the every section secondary lining layer of concrete arch outside, be fixed with the horizontal direction blind pipe on edge, bottom, the secondary lining layer of concrete both sides level outside, the arch blind pipe is connected with threeway with the horizontal direction blind pipe, and another outlet of threeway is connected with the ditch.
The invention has the advantages that and implement anti-, draining structure combining, with leaking of causing in the construction, seep water, in time be expelled to the ditch by the blind pipe structure.
Description of drawings: Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B cutaway view Amplified image of Fig. 2.
Embodiment: structure of the present invention is along being fixed with arch blind pipe (1) in the vertical both ends of arch barrel of every section secondary lining layer of concrete (4) the arch outside, be fixed with horizontal direction blind pipe (2) on edge, secondary lining layer of concrete (4) bottom, the both sides level outside, arch blind pipe (1) is connected with threeway (3) with horizontal direction blind pipe (2), and another outlet of threeway (3) is communicated with the ditch.
Preceding on every section secondary lining coagulation upper strata (4), at the second road waterproofing course is that the inner surface correspondence position of splash guard is laid fixedly arch blind pipe (1), horizontal direction blind pipe (2), use threeway (3) to connect again, another outlet in threeway (3) then connects the straight-through ditch of water pipe.Blind pipe pre-fixes on splash guard can use bonding method.Blind pipe can be circular, also can be semicircle, if semicircle, then sticks on the splash guard with semicircular diametral plane, and drainage effect is better.
Except the housing net that basic arch blind pipe (1) and horizontal direction blind pipe (2) form, also can in the net of this housing net, be communicated with the housing net by all directions blind pipes of laying more, strengthen the draining effect.
Chassis carries out the secondary lining casting cement again after pasting blind pipe, after the cast, and the fixed arch barrel that forms integral body of blind pipe and secondary lining layer of concrete (4).
As if infiltration being arranged, dripping, then can be drained into the ditch between interior barrel of arch and the splash guard, seep water overstocked and drip phenomenon that produce by settlement joint, constuction joint in the time of can not producing the increase of ponding pressure by the absorption in time of the blind pipe of two directions.The laying of horizontal direction blind pipe (2) is leaked above having accepted blind pipe, has avoided the phenomenon of leaking and being flowed out by the slit between the short abutment wall of barrel in the arch (5).
Claims (2)
1, tunnel double-lining protection draining structure, comprise the secondary lining layer of concrete, it is characterized in that in the vertical both ends of arch barrel of every section secondary lining layer of concrete (4) the arch outside along being fixed with arch blind pipe (1), be fixed with horizontal direction blind pipe (2) on edge, secondary lining layer of concrete (4) bottom, the both sides level outside, arch blind pipe (1) is connected with threeway (3) with horizontal direction blind pipe (2), and another outlet of threeway (3) is communicated with the ditch.
2, tunnel double-lining protection draining structure according to claim 1 is characterized in that blind pipe is semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710008693 CN101021155A (en) | 2007-03-13 | 2007-03-13 | Tunnel double-lining protection draining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710008693 CN101021155A (en) | 2007-03-13 | 2007-03-13 | Tunnel double-lining protection draining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101021155A true CN101021155A (en) | 2007-08-22 |
Family
ID=38709026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710008693 Pending CN101021155A (en) | 2007-03-13 | 2007-03-13 | Tunnel double-lining protection draining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101021155A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798939A (en) * | 2010-03-17 | 2010-08-11 | 中铁隧道勘测设计院有限公司 | Maintainable tunnel drainage system |
| CN101832143A (en) * | 2010-04-02 | 2010-09-15 | 云南云岭高速公路养护绿化工程有限公司 | Method for treating tunnel water leakage |
| CN107387112A (en) * | 2017-08-22 | 2017-11-24 | 中冶集团武汉勘察研究院有限公司 | Urban transportation culvert or tunnel gateway anti-flooding masking device and method |
-
2007
- 2007-03-13 CN CN 200710008693 patent/CN101021155A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798939A (en) * | 2010-03-17 | 2010-08-11 | 中铁隧道勘测设计院有限公司 | Maintainable tunnel drainage system |
| 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 |
| CN101832143A (en) * | 2010-04-02 | 2010-09-15 | 云南云岭高速公路养护绿化工程有限公司 | Method for treating tunnel water leakage |
| CN107387112A (en) * | 2017-08-22 | 2017-11-24 | 中冶集团武汉勘察研究院有限公司 | Urban transportation culvert or tunnel gateway anti-flooding masking device and method |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |