CN201705369U - Waterproof structure for tunnels in frozen soil on plateau - Google Patents
Waterproof structure for tunnels in frozen soil on plateau Download PDFInfo
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- CN201705369U CN201705369U CN2010202421125U CN201020242112U CN201705369U CN 201705369 U CN201705369 U CN 201705369U CN 2010202421125 U CN2010202421125 U CN 2010202421125U CN 201020242112 U CN201020242112 U CN 201020242112U CN 201705369 U CN201705369 U CN 201705369U
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Abstract
The utility model discloses a waterproof structure for tunnels in frozen soil on plateau, which comprises a full-ring waterproof structure, a circular joint waterproof structure, an expansion joint waterproof structure and a settlement joint waterproof structure which are arranged between a primary support system and a secondary lining of a constructed tunnel. The full-ring waterproof structure comprises a composite waterproof plate and a waterproof protective layer, the circular joint waterproof structure comprises a cement based interfacial agent protective layer uniformly coated in circular construction joints and a plurality of rubber waterstop strips I, the expansion joint waterproof structure comprises rubber waterstop strips II arranged in the middle of expansion joints, rubber waterstop strips III arranged at upper ends of the expansion joints and waterproof packing compactly filled in the expansion joints, and the structure of the settlement joint waterproof structure is identical to that of the expansion joint waterproof structure. The waterproof structure is simple in structure, reasonable in design, comprehensive in conception, convenient in construction and fine in waterproof effect, strengthens waterproof treatment to weak areas on the basis of integral waterproof treatment of the full-ring waterproof structure, and can thoroughly resolve the waterproof problem of tunnels in frozen soil on plateau.
Description
Technical field
The utility model belongs to the tunnel construction technology field, especially relates to a kind of plateau permafrost tunnel water proofing structure.
Background technology
When the construction tunnel of Qinghai-Tibet innerland, because the rail level height above sea level in tunnel is very high, usually about 4,000 7 hundred meters, the barrel in its tunnel all is arranged in and freezes rock, the geological formations complexity, integrate badly geology such as full freezing soil, ice-rich permafrost, crack ice, mud sandstone, thereby when high height above sea level like this, high and cold, anoxic and Permafrost Area are built the tunnel, all do not have experience to use for reference both at home and abroad.There is very big difference in the construction technology in tunnel and Plain non-frozen soil area, and its construction is very difficult.How protecting frozen soil in the constructing tunnel process is the key problem in technology of construction, therefore, must study corresponding construction method and disturb problem with the heat that reduces to construct, and reduces the influence of construction blasting to frozen soil.Simultaneously, the validity of frozen soil tunnel waterproofing system is the assurance of whole construction of tunnel quality, it also is the key factor of control tunnel defect, therefore must research one cover corresponding construction method and corresponding tunnel internal construction, guarantee the construction quality and the endurance quality of frozen soil tunnel concrete lining and sprayed mortar under waterproof thermal-insulated system, the high and cold condition.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of plateau permafrost tunnel water proofing structure is provided, it is simple in structure, reasonable in design, consider comprehensively and construction sequence is simple, easy construction, good water-proof effect, on the basis of loopful formula waterproof construction integral waterproofing, again waterproofing work is strengthened in weak area, make and isolate fully with the stratum in the hole, tunnel, can thoroughly solve the waterproof problem in plateau permafrost tunnel.
For solving the problems of the technologies described above; the technical solution adopted in the utility model is: a kind of plateau permafrost tunnel water proofing structure; it is characterized in that: comprise the preliminary bracing system that is laid in construction tunnel and the loopful formula waterproof construction between the secondary lining; be laid in the interior hoop seam waterproof construction of hoop constuction joint of construction tunnel; be laid in the dilatation joint waterproof structure in the shrinkage joint of construction tunnel and be laid in settlement joint waterproof construction in the settlement joint of construction tunnel; described loopful formula waterproof construction comprises compound water-proof that is laid on the preliminary bracing system and the fish tail and waterproof layer that is laid on the compound water-proof; described hoop seam waterproof construction comprises the cement based interfacial agents overcoat of even brushing in described hoop constuction joint and a plurality of rubber sealing rods one that are laid in the described hoop constuction joint; described dilatation joint waterproof structure comprises the rubber fastening band two that is laid in the middle part, shrinkage joint; be laid in the upper end, shrinkage joint and fill out waterproof filler in the shrinkage joint near the rubber sealing rod three of preliminary bracing system outer edge and closely knit plug, described settlement joint waterproof construction is identical with the structure of described dilatation joint waterproof structure.
A plurality of described rubber sealing rods one begin to lay to secondary lining one side from the outward flange of preliminary bracing system.
Described waterproof filler is residual oil hemp cut or immersion oil plank.
Described fish tail and waterproof layer is a splash guard.
Also comprise layer of non-woven fabric, described nonwoven is laid on the arch and the fish tail and waterproof layer at the bottom of the tunnel of construction tunnel.
Described nonwoven is that specification is greater than 300g/m
2Geotextiles.
Described loopful formula waterproof construction also comprises the insulating that is laid between compound water-proof and the fish tail and waterproof layer.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design, consider comprehensively and construction sequence simple, easy construction, input cost is lower.
2, good water-proof effect, adopt loopful formula waterproof construction to carry out integral waterproofing to whole tunnel earlier, and on the basis of integral waterproofing, more special waterproofing work is carried out in weak area (comprising horizontal joint, hoop constuction joint, shrinkage joint, settlement joint etc.), thereby under the condition of dual tight waterproof, can thoroughly solve the waterproof problem in plateau permafrost tunnel, for construction brings very big facility.
3, practical value height, because the utility model has thoroughly solved the waterproof problem in plateau permafrost tunnel, and it is convenient to realize, thereby can effectively solve the safe construction and the safe operation problem in plateau permafrost tunnel, can prolong the application life in plateau permafrost tunnel greatly, reduce the maintenance cost in tunnel significantly.
4, popularizing application prospect is extensive, can promote to be suitable for to the relevant constructing tunnel that carries out waterproofing work such as Karst Tunnel.
In sum, the utility model is simple in structure, reasonable in design, consider comprehensively and construction sequence is simple, easy construction, good water-proof effect, on the basis of loopful formula waterproof construction integral waterproofing, again waterproofing work is further strengthened in weak area, make and isolate fully with the stratum in the hole, tunnel, thereby can thoroughly solve the waterproof problem in plateau permafrost tunnel.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a user mode reference diagram of the present utility model.
Fig. 2 is the structural representation of the utility model hoop seam waterproof construction.
Fig. 3 is the structural representation of the utility model dilatation joint waterproof structure.
Description of reference numerals:
The 1-construction tunnel; 2-preliminary bracing system; 3-loopful formula waterproof construction;
The 3-1-compound water-proof; The 3-2-insulating; The 3-3-fish tail and waterproof layer;
The 4-secondary lining; 5-hoop seam waterproof construction; The 6-dilatation joint waterproof structure;
7-rubber sealing rod one; 8-rubber fastening band two; The 10-shrinkage joint;
11-rubber sealing rod three.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the hoop seam waterproof construction 5 in the hoop constuction joint that the utility model comprises the preliminary bracing system 2 and the loopful formula waterproof construction 3 between the secondary lining 4 that are laid in construction tunnel 1, be laid in construction tunnel 1, be laid in the dilatation joint waterproof structure 6 in the shrinkage joint 10 of construction tunnel 1 and be laid in settlement joint waterproof construction in the settlement joint of construction tunnel 1.Described loopful formula waterproof construction 3 comprises compound water-proof 3-1 that is laid on the preliminary bracing system 2 and the fish tail and waterproof layer 3-3 that is laid on the compound water-proof 3-1, and described hoop seam waterproof construction 5 comprises the cement based interfacial agents overcoat of even brushing in described hoop constuction joint and a plurality of rubber sealing rods 1 that are laid in the described hoop constuction joint.Described dilatation joint waterproof structure 6 comprises the rubber fastening band 28 that is laid in 10 middle parts, shrinkage joint, be laid in 10 upper ends, shrinkage joint and fill out waterproof filler in shrinkage joint 10 near the rubber sealing rod 3 11 of preliminary bracing system 2 outer edge and closely knit plug, and described settlement joint waterproof construction is identical with the structure of described dilatation joint waterproof structure 6.Simultaneously, the method for waterproofing to the horizontal joint of construction tunnel 1 is identical with hoop seam waterproof construction 5 with formed horizontal joint waterproofing structure.
In the present embodiment, a plurality of described rubber sealing rods 1 begin to lay to secondary lining 4 one sides from the outward flange of preliminary bracing system 2.Described waterproof filler is residual oil hemp cut or immersion oil plank.Described fish tail and waterproof layer 3-3 is a splash guard.Simultaneously, the utility model also comprises layer of non-woven fabric, and described nonwoven is laid on the arch of construction tunnel 1 and the fish tail and waterproof layer 3-3 at the bottom of the tunnel, and it is greater than 300g/m that described nonwoven is specially specification
2Geotextiles.Described loopful formula waterproof construction 3 also comprises the insulating 3-2 that is laid between compound water-proof 3-1 and the fish tail and waterproof layer 3-3.
During practice of construction,, in horizontal joint or hoop constuction joint, arrange a plurality of rubber sealing rods 1 afterwards to the thick WJ interface cementing agent (being described cement based interfacial agents overcoat) of brush 2mm before horizontal joint and the hoop constuction joint employing newly placed concrete.And when the shrinkage joint 10 of secondary lining 4 inside and settlement joint carried out waterproofing work, be the rubber sealing rod 3 11 of 10cm laying length along the edge of secondary lining 4 earlier near preliminary bracing system 2 one sides, rubber fastening band 28 is laid at 10 middle parts at the shrinkage joint again, last described its complementary space in shrinkage joint 10 adopts residual oil hemp cut or the filling of immersion oil plank, the water-swellable sealing rod of selecting for use has slow expansion character, and the expansion rate of its 7d is not more than 50% of final expansion rate.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (7)
1. plateau permafrost tunnel water proofing structure; it is characterized in that: comprise the preliminary bracing system (2) that is laid in construction tunnel (1) and the loopful formula waterproof construction (3) between the secondary lining (4); be laid in the interior hoop seam waterproof construction (5) of hoop constuction joint of construction tunnel (1); be laid in the dilatation joint waterproof structure (6) in the shrinkage joint (10) of construction tunnel (1) and be laid in the interior settlement joint waterproof construction of settlement joint of construction tunnel (1); described loopful formula waterproof construction (3) comprises the compound water-proof (3-1) that is laid on the preliminary bracing system (2) and is laid in fish tail and waterproof layer (3-3) on the compound water-proof (3-1); described hoop seam waterproof construction (5) comprises the cement based interfacial agents overcoat of even brushing in described hoop constuction joint and a plurality of rubber sealing rods one (7) that are laid in the described hoop constuction joint; described dilatation joint waterproof structure (6) comprises the rubber fastening band two (8) that is laid in middle part, shrinkage joint (10); be laid in (10) upper end, shrinkage joint and fill out waterproof filler in shrinkage joint (10) near the rubber sealing rod three (11) of preliminary bracing system (2) outer edge and closely knit plug, described settlement joint waterproof construction is identical with the structure of described dilatation joint waterproof structure (6).
2. according to the described plateau permafrost tunnel water proofing of claim 1 structure, it is characterized in that: a plurality of described rubber sealing rods one (7) begin to lay to secondary lining (4) one sides from the outward flange of preliminary bracing system (2).
3. according to claim 1 or 2 described plateau permafrost tunnel water proofing structures, it is characterized in that: described waterproof filler is residual oil hemp cut or immersion oil plank.
4. according to claim 1 or 2 described plateau permafrost tunnel water proofing structures, it is characterized in that: described fish tail and waterproof layer (3-3) is a splash guard.
5. according to the described plateau permafrost tunnel water proofing of claim 4 structure, it is characterized in that: also comprise layer of non-woven fabric, described nonwoven is laid on the arch and the fish tail and waterproof layer at the bottom of the tunnel (3-3) of construction tunnel (1).
6. according to the described plateau permafrost tunnel water proofing of claim 5 structure, it is characterized in that: described nonwoven is that specification is greater than 300g/m
2Geotextiles.
7. according to claim 1 or 2 described plateau permafrost tunnel water proofing structures, it is characterized in that: described loopful formula waterproof construction (3) also comprises the insulating (3-2) that is laid between compound water-proof (3-1) and the fish tail and waterproof layer (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202421125U CN201705369U (en) | 2010-06-28 | 2010-06-28 | Waterproof structure for tunnels in frozen soil on plateau |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202421125U CN201705369U (en) | 2010-06-28 | 2010-06-28 | Waterproof structure for tunnels in frozen soil on plateau |
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| Publication Number | Publication Date |
|---|---|
| CN201705369U true CN201705369U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202421125U Expired - Fee Related CN201705369U (en) | 2010-06-28 | 2010-06-28 | Waterproof structure for tunnels in frozen soil on plateau |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032083A (en) * | 2012-12-21 | 2013-04-10 | 中南大学 | Reconstruction method for water-proof shell |
| CN104018858A (en) * | 2014-06-11 | 2014-09-03 | 云南省交通规划设计研究院 | Novel water stopping structure for tunneling seam in permafrost region |
| CN104695980A (en) * | 2015-03-11 | 2015-06-10 | 中水北方勘测设计研究有限责任公司 | Hydropower diversion tunnel lining structure applied to rock burst regions with high burial depth, high ground temperature and high ground stress |
| CN107587881A (en) * | 2017-10-30 | 2018-01-16 | 中铁五局集团第五工程有限责任公司 | A kind of composite lining structure and construction technology for permafrost tunnel |
| CN107605513A (en) * | 2017-09-13 | 2018-01-19 | 中交公局桥隧工程有限公司 | A kind of application process of tunnel longitudinal direction construction joint cement base crystalline waterproof material |
| CN108716404A (en) * | 2018-05-17 | 2018-10-30 | 西安建筑科技大学 | A kind of Frozen Area freezing damage in tunnel prevention device and installation method |
-
2010
- 2010-06-28 CN CN2010202421125U patent/CN201705369U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032083A (en) * | 2012-12-21 | 2013-04-10 | 中南大学 | Reconstruction method for water-proof shell |
| CN104018858A (en) * | 2014-06-11 | 2014-09-03 | 云南省交通规划设计研究院 | Novel water stopping structure for tunneling seam in permafrost region |
| CN104695980A (en) * | 2015-03-11 | 2015-06-10 | 中水北方勘测设计研究有限责任公司 | Hydropower diversion tunnel lining structure applied to rock burst regions with high burial depth, high ground temperature and high ground stress |
| CN104695980B (en) * | 2015-03-11 | 2017-03-15 | 中水北方勘测设计研究有限责任公司 | For the regional Lining of Power Tunnel structure of high buried depth, High-geotemperature, high stress rock burst |
| CN107605513A (en) * | 2017-09-13 | 2018-01-19 | 中交公局桥隧工程有限公司 | A kind of application process of tunnel longitudinal direction construction joint cement base crystalline waterproof material |
| CN107587881A (en) * | 2017-10-30 | 2018-01-16 | 中铁五局集团第五工程有限责任公司 | A kind of composite lining structure and construction technology for permafrost tunnel |
| CN108716404A (en) * | 2018-05-17 | 2018-10-30 | 西安建筑科技大学 | A kind of Frozen Area freezing damage in tunnel prevention device and installation method |
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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: 20110112 Termination date: 20160628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |