CN207513619U - Tunnel rich water section partitioning waterproofing system - Google Patents
Tunnel rich water section partitioning waterproofing system Download PDFInfo
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- CN207513619U CN207513619U CN201721704841.6U CN201721704841U CN207513619U CN 207513619 U CN207513619 U CN 207513619U CN 201721704841 U CN201721704841 U CN 201721704841U CN 207513619 U CN207513619 U CN 207513619U
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Abstract
The utility model tunnel rich water section partitioning waterproofing system, belongs to tunnel water proofing field, it is therefore an objective to improve the water resistance of rich water section, rich water section is avoided to seep water.Including the watertight rubber pad closed along tunnel circumferential direction being set at subsiding crack, watertight rubber pad is between preliminary bracing and waterproof layer；Watertight rubber pad is along the side of its center line along tunnel longitudinal lap joint in conventional lining section, and opposite side is along tunnel longitudinal lap joint in rich water section.The utility model, by the way that watertight rubber pad is set to separate in the seepage flow gap between waterproof layer and preliminary bracing at subsiding crack, the water in the seepage flow gap that rich water section is penetrated between waterproof layer and preliminary bracing is blocked in rich water section, the water for penetrating into seepage flow gap is avoided to flow into conventional lining section along seepage flow gap.
Description
Technical field
The utility model belongs to tunnel water proofing field, particularly tunnel rich water section partitioning waterproofing system.
Background technology
Tunnel is a kind of engineering structure for being built in underground, is widely used in the necks such as traffic, mine, water conservancy and national defence
Domain.The drainage system in tunnel is the important link of tunnel construction, normal use and safe operation, generally includes to be set to tunnel
Under middle circuit surface along tunnel longitudinal direction centre drain, be set to both sides abutment wall lower part along tunnel longitudinal direction abutment wall longitudinally arrange
The transverse drain along tunnel lateral direction under water pipe, the ring direction drainpipe for being set to abutment wall and arch wall behind and road surface；Circumferential direction row
Water pipe is set to the inside of preliminary bracing, both ends connected respectively with corresponding abutment wall longitudinal drainage pipe, the wall in tunnel is carried on the back
Water leads to abutment wall longitudinal drainage pipe；Transverse drain connects abutment wall longitudinal drainage pipe and centre drain, will be pooled to abutment wall and indulges
Centre drain discharge is introduced to the water of drainpipe.
However, with the fast development of China's communication, the area for building tunnel is more and more wider, and tunnel longitudinal length is got over
More to grow.With the increase of tunnel longitudinal length, the geology section of geological condition complexity, such as mud-rock flow are inevitably crossed in tunnel
The strong location of the groundwater effects such as accumulation body, karst strata.Underground water is largely assembled in country rock, and hydraulic pressure is excessive to cause underground
Water is leaked from subsiding crack etc., influences the performance in tunnel.
Utility model content
The technical problem to be solved by the utility model is to provide tunnel rich water section partitioning waterproofing systems, improve rich water section
Water resistance avoids rich water section from seeping water.
The technical solution adopted in the utility model is：Tunnel rich water section waterproof system, the tunnel radially include position
Preliminary bracing in outer layer, the secondary lining positioned at internal layer and the waterproof layer positioned at centre；The tunnel longitudinally includes richness along it
Water section and the conventional lining section to connect respectively with rich water section axial direction both ends；It is heavy that the rich water section is formed with conventional lining section seam crossing
Drop seam；Including settlement joint water-proof structure, the settlement joint water-proof structure includes being set to being closed along tunnel circumferential direction at subsiding crack
Watertight rubber pad, the watertight rubber pad is between preliminary bracing and waterproof layer；The watertight rubber pad is along its center line
Side is along tunnel longitudinal lap joint in conventional lining section, and opposite side is along tunnel longitudinal lap joint in rich water section.
Further, the first back sticking type closed along tunnel circumferential direction is radially-inwardly disposed with along tunnel at subsiding crack
Buried rubber watertight strip and the first water-swellable article rubber water stop in waterstop, first；The first back-adhering waterstop position
It is fixedly connected in the inside of waterproof layer with waterproof layer；In the first back-adhering waterstop and first buried rubber watertight strip it
Between one section of subsiding crack in the full filleting plate of filling；Buried rubber watertight strip and the first water-swellable article rubber water stop in first
Between the full filleting plate of filling in one section of subsiding crack；It is packed in one section of subsiding crack on the outside of the first water-swellable article rubber water stop embedding
Plate is stitched, and passes through and seals layer of paste closure in the outside of filleting plate.
Further, the width of the watertight rubber pad is W1, the first back-adhering waterstop width is W2, 1.5W2≤
W1≤2W2。
Further, including the circular construction joint waterproof construction being arranged at the circular construction joint of rich water section, the circumferential direction
Construction joint waterproof construction is included in closed along tunnel circumferential direction second be radially-inwardly sequentially distributed along tunnel at circular construction joint
Buried rubber watertight strip and the second water-swellable article rubber water stop in back-adhering waterstop, second；Second back sticking type stops
The inside that water band is located at waterproof layer is fixedly connected with waterproof layer.
Further, including the longitudinal construction joint waterproof construction being arranged at longitudinal construction joint of rich water section, the longitudinal direction
Construction joint waterproof construction, which is included in buried steel side rubber in the third being radially-inwardly sequentially distributed along tunnel at longitudinal construction joint, to be stopped
Water band and third water-swellable article rubber water stop；Buried rubber watertight strip and third water-swellable article rubber water stop in the third
The whole longitudinal construction joint of the extending direction perforation of construction joint along longitudinal direction.
Further, the rich water section uses anti-hydraulic pressure.
Further, the rich water section includes the abutment wall of both sides along its circumferential direction；The bottom setting of abutment wall in rich water section both sides
There are lateral drainage tube and safety valve, the transverse direction drainage tube includes water inlet end and water outlet, and the water outlet is stretched into tunnel
Centre is connected in gutter with centre drain, and water inlet end sequentially passes through the secondary lining of rich water section and resistant to pressure along tunnel radial direction
Preliminary bracing extends to the corresponding country rock of rich water section abutment wall；The safety valve is installed on lateral drainage tube.
Further, the safety valve is installed on the water outlet of lateral drainage tube.
The beneficial effects of the utility model are：The utility model is located at preliminary bracing with preventing by being set at subsiding crack
Watertight rubber pad between water layer separates in the seepage flow gap between waterproof layer and preliminary bracing at subsiding crack, by rich water section
The water in the seepage flow gap penetrated between waterproof layer and preliminary bracing is blocked in rich water section, avoids penetrating into the water in seepage flow gap along oozing
It flows gap and flows into conventional lining section, reduce the hydraulic pressure of the conventional lining section wall back of the body, improve the water resistance of rich water section, water blocking is existed
Rich water section, so that postorder discharges.
And rich water section enhances the ability resistant to pressure of rich water section using anti-hydraulic pressure, and sets pressure limiting discharge safety valve real
It now quantitatively discharges, finally, ensure that tunnel structure safety.
Description of the drawings
Fig. 1 is the utility model tunnel lateral direction sectional view；
Fig. 2 is longitudinal sectional view at tunnel subsidence seam；
Fig. 3 is longitudinal sectional view at tunnel circular construction joint；
Fig. 4 is transverse sectional view at the construction joint of tunnel longitudinal direction；
Partial enlarged view at the A of Fig. 5 Fig. 1.
In figure, preliminary bracing 11, secondary lining 12, waterproof layer 13, rich water section 14, conventional lining section 15, abutment wall 16, sedimentation
Buried rubber watertight strip 23, the first water-swellable stop in seam 2, watertight rubber pad 21, the first back-adhering waterstop 22, first
Buried steel side rubber in glue item 24, filleting plate 25, sealing layer of paste 26, circular construction joint 3, the second back-adhering waterstop 31, second
Buried rubber watertight strip 41, third in glue waterstop 32, the second water-swellable article rubber water stop 33, longitudinal construction joint 4, third
Water-swellable article rubber water stop 42, lateral drainage tube 5, water inlet end 51, water outlet 52, safety valve 6, centre drain 7.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples as follows：
Tunnel rich water section waterproof system, as depicted in figs. 1 and 2, the tunnel radially include the initial stage positioned at outer layer
Supporting 11, the secondary lining 12 positioned at internal layer and the waterproof layer 13 positioned at centre；The tunnel longitudinally includes rich water section 14 along it
The conventional lining section 15 to connect respectively with the axial both ends of rich water section 14；The rich water section 14 and 15 seam crossing structure of conventional lining section
Into subsiding crack 2；Including settlement joint water-proof structure, the settlement joint water-proof structure includes being set to circumferential along tunnel at subsiding crack
The watertight rubber pad 21 of closing, the watertight rubber pad 21 is between preliminary bracing 11 and waterproof layer 13；The watertight rubber
Pad 21 is along the side of its center line along tunnel longitudinal lap joint in conventional lining section 15, and opposite side is along tunnel longitudinal lap joint in rich water section
14。
The utility model, by being set between preliminary bracing 11 and waterproof layer 13 at rich water section both ends subsiding crack 2
Watertight rubber pad 21, the seepage flow gap between waterproof layer 13 and preliminary bracing 11 is separated at subsiding crack 2, by rich water section 14
The water in the seepage flow gap penetrated between waterproof layer 13 and preliminary bracing 11 is blocked in rich water section 14, avoids penetrating into the water in seepage flow gap
Conventional lining section 15 is flowed into along seepage flow gap, the hydraulic pressure of 15 wall of the conventional lining section back of the body is reduced, finally, by water blocking in rich water section
14, so that postorder discharges.
Preferably, as shown in Fig. 2, be radially-inwardly disposed with along tunnel at subsiding crack closed along tunnel circumferential direction
Buried 23 and first water-swellable article rubber water stop 24 of rubber watertight strip in one back-adhering waterstop 22, first；Described first
The inside that back-adhering waterstop 22 is located at waterproof layer 13 is fixedly connected with waterproof layer 13；In the first back-adhering waterstop 22 and first
In the full filleting plate 25 of filling in one section of subsiding crack between buried rubber watertight strip 23；Buried steel side rubber stops in first
The full filleting plate 25 of filling in one section of subsiding crack between 23 and first water-swellable article rubber water stop 24 of water band；Stop in the first water-swellable
Filleting plate 25 is packed in one section of subsiding crack in the outside of glue item 24, and is passed through and is sealed layer of paste 26 and block in the outer of filleting plate 25
Side.
By being provided with buried rubber watertight strip in the first back-adhering waterstop 22, first in the inside of waterproof layer 13
23 and the first water-swellable article rubber water stop 24, multiple water blockoff is carried out to subsiding crack 2, and pass through the first back-adhering waterstop 22 and close
Envelope layer of paste 26 plays the role of strengthening water blockoff.Filleting plate 25 is leaches green cork sheet or low-density high-pressure polyethylene closed-cell foam
Filleting plate, preferably low-density high-pressure polyethylene closed-cell foam filleting plate.26 generally use concrete construction seam of layer of paste is sealed to use
Fluid sealant is formed.
In order to improve the water plugging property of watertight rubber pad 21, it is preferred that the width of the watertight rubber pad 21 is W1, it is described
First back-adhering waterstop, 22 width is W2, 1.5W2≤W1≤2W2。
As shown in figure 3, there are circular construction joints 3 during constructing tunnel, in rich water section 14, circular construction joint 3 is also easy to hair
Raw leakage, therefore, it is preferred that including the circular construction joint waterproof construction being arranged at the circular construction joint 3 of rich water section 14, the ring
It is included in closed along tunnel circumferential direction be radially-inwardly sequentially distributed along tunnel at circular construction joint 3 to construction joint waterproof construction
Buried 32 and second water-swellable article rubber water stop 33 of rubber watertight strip in two back-adhering waterstops 31, second；Described second
The inside that back-adhering waterstop 31 is located at waterproof layer 13 is fixedly connected with waterproof layer 13.
By setting buried rubber watertight strip 32 in the second back-adhering waterstop 31, second at circular construction joint 3
With the second water-swellable article rubber water stop 33, multiple water blockoff is realized, improve the water-proof function at circular construction joint 3.
As shown in figure 4, there is longitudinal construction joint 4 during constructing tunnel, longitudinal construction joint 4 can also leak, therefore, preferably
, including the longitudinal construction joint waterproof construction being arranged at longitudinal construction joint 4 of rich water section 14, the longitudinal direction construction joint waterproof knot
Structure is included in buried rubber watertight strip 41 and third in the third being radially-inwardly sequentially distributed along tunnel at longitudinal construction joint 4
Water-swellable article rubber water stop 42；Buried rubber watertight strip 41 and third water-swellable article rubber water stop 42 are along vertical in the third
To the whole longitudinal construction joint 4 of extending direction perforation of construction joint 4.
Preferably, the rich water section 14 uses anti-hydraulic pressure.Anti-hydraulic pressure, which enhances, states 14 rigidity of structure of rich water section,
Improve the ability that rich water section 14 resists hydraulic pressure of stating.
In order to reduce the hydraulic pressure of rich water section 14, avoid hydraulic pressure is excessive from influencing subsiding crack 2, circular construction joint 3 and longitudinal direction construction
The water plugging property at 4 is stitched, as shown in Figure 5, it is preferred that the rich water section 14 includes the abutment wall 16 of both sides along its circumferential direction；In rich water
The bottom of 14 both sides abutment walls 16 of section is provided with lateral drainage tube 5 and safety valve 6, and the transverse direction drainage tube 5 includes 51 He of water inlet end
Water outlet 52, the water outlet 52 is stretched into the centre drain 7 in tunnel to be connected with centre drain 7, and water inlet end 51 is along tunnel
Road radially sequentially passes through the secondary lining 12 of rich water section 14 and preliminary bracing resistant to pressure 11 extends to 14 abutment wall 16 of rich water section and corresponds to
Country rock；The safety valve 6 is installed on lateral drainage tube 5.
The water in 14 country rock of rich water section is discharged by lateral drainage tube 5, so as to reduce the hydraulic pressure of rich water section 14, is realized stifled
Row is combined, and further improves the water resistance to rich water section 14.Also, safety valve 6 is set on lateral drainage tube 5,
By setting the working value of safety valve 6, when the hydraulic pressure in 14 country rock of rich water section reaches the working value of safety valve 6, safety valve 6 is certainly
It is dynamic to open, the water in 14 country rock of rich water section is introduced into centre drain 7 and is discharged；When the hydraulic pressure in 14 country rock of rich water section is less than
During the working value of safety valve 6, safety valve 6 is closed.It realizes that pressure limiting is discharged by safety valve 6, protects groundwater environment, ensure rich
The stability of 14 country rock of water section, reduces the influence to country rock.
For the ease of the maintenance and replacement of safety valve 6, it is preferred that the safety valve 6 is installed on the water outlet of lateral drainage tube 5
End 52.
Claims (8)
1. tunnel rich water section partitioning waterproofing system, the tunnel radially includes the preliminary bracing (11) positioned at outer layer, is located at
The secondary lining (12) of internal layer and the waterproof layer (13) positioned at centre；The tunnel longitudinally includes rich water section (14) and difference along it
The conventional lining section (15) to connect with the axial both ends of rich water section (14)；The rich water section (14) and conventional lining section (15) seam crossing
Form subsiding crack (2)；Including settlement joint water-proof structure, it is characterised in that：The settlement joint water-proof structure includes being set to sedimentation
The watertight rubber pad (21) closed along tunnel circumferential direction at seam, the watertight rubber pad (21) is positioned at preliminary bracing (11) and waterproof
Between layer (13)；The watertight rubber pad (21) along the side of its center line along tunnel longitudinal lap joint in conventional lining section (15), separately
Side is along tunnel longitudinal lap joint in rich water section (14).
2. tunnel rich water section partitioning waterproofing system as described in claim 1, it is characterised in that：At subsiding crack along tunnel radially
Inwardly it is disposed with buried rubber watertight strip in the first back-adhering waterstop (22) closed along tunnel circumferential direction, first
(23) and the first water-swellable article rubber water stop (24)；First back-adhering waterstop (22) positioned at the inside of waterproof layer (13) with
Waterproof layer (13) is fixedly connected；In the first back-adhering waterstop (22) and first between buried rubber watertight strip (23)
The full filleting plate (25) of filling in one section of subsiding crack；Buried rubber watertight strip (23) and the first water-swellable sealing in first
The full filleting plate (25) of filling in one section of subsiding crack between adhesive tape (24)；One section on the outside of the first water-swellable article rubber water stop (24)
Filleting plate (25) is packed in subsiding crack, and passes through and seals layer of paste (26) closure in the outside of filleting plate (25).
3. tunnel rich water section partitioning waterproofing system as claimed in claim 2, it is characterised in that：The watertight rubber pad (21)
Width is W1, the first back-adhering waterstop (22) width is W2, 1.5W2≤W1≤2W2。
4. tunnel rich water section partitioning waterproofing system as described in claim 1, it is characterised in that：Including being arranged on rich water section (14)
Circular construction joint (3) at circular construction joint waterproof construction, the circular construction joint waterproof construction is included in circular construction joint
(3) it is buried in the second back-adhering waterstop (31) closed along tunnel circumferential direction that is radially-inwardly sequentially distributed along tunnel at, second
Rubber watertight strip (32) and the second water-swellable article rubber water stop (33)；Second back-adhering waterstop (31) is positioned at waterproof
The inside of layer (13) is fixedly connected with waterproof layer (13).
5. tunnel rich water section partitioning waterproofing system as described in claim 1, it is characterised in that：Including being arranged on rich water section (14)
Longitudinal construction joint (4) at longitudinal construction joint waterproof construction, it is described longitudinal direction construction joint waterproof construction be included in longitudinal construction joint
(4) buried rubber watertight strip (41) and third water-swellable water-stop glue in the third being radially-inwardly sequentially distributed along tunnel at
Item (42)；Buried rubber watertight strip (41) and third water-swellable article rubber water stop (42) construction joint along longitudinal direction in the third
(4) the whole longitudinal construction joint (4) of extending direction perforation.
6. the tunnel rich water section partitioning waterproofing system as described in claim 1-5 any one claims, it is characterised in that：Institute
Rich water section (14) is stated using anti-hydraulic pressure.
7. the tunnel rich water section partitioning waterproofing system as described in claim 1-5 any one claims, it is characterised in that：Institute
State the abutment wall (16) that rich water section (14) includes both sides along its circumferential direction；The bottom of rich water section (14) both sides abutment wall (16) is provided with horizontal stroke
To drainage tube (5) and safety valve (6), the transverse direction drainage tube (5) includes water inlet end (51) and water outlet (52), the water outlet
(52) it stretches into the centre drain (7) in tunnel and is connected with centre drain (7), water inlet end (51) is radially worn successively along tunnel
Cross the secondary lining (12) of rich water section (14) and preliminary bracing resistant to pressure (11) to extend to rich water section (14) abutment wall (16) corresponding
Country rock；The safety valve (6) is installed on lateral drainage tube (5).
8. tunnel rich water section partitioning waterproofing system as claimed in claim 7, it is characterised in that：The safety valve (6) is installed on
The water outlet (52) of lateral drainage tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704841.6U CN207513619U (en) | 2017-12-08 | 2017-12-08 | Tunnel rich water section partitioning waterproofing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704841.6U CN207513619U (en) | 2017-12-08 | 2017-12-08 | Tunnel rich water section partitioning waterproofing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513619U true CN207513619U (en) | 2018-06-19 |
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ID=62543674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721704841.6U Active CN207513619U (en) | 2017-12-08 | 2017-12-08 | Tunnel rich water section partitioning waterproofing system |
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| Country | Link |
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| CN (1) | CN207513619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816361A (en) * | 2017-12-08 | 2018-03-20 | 四川省交通运输厅公路规划勘察设计研究院 | Tunnel rich water section partitioning waterproofing system |
| CN109667607A (en) * | 2018-12-24 | 2019-04-23 | 中铁十八局集团有限公司 | A kind of tunnel partitioning waterproofing construction technology |
-
2017
- 2017-12-08 CN CN201721704841.6U patent/CN207513619U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816361A (en) * | 2017-12-08 | 2018-03-20 | 四川省交通运输厅公路规划勘察设计研究院 | Tunnel rich water section partitioning waterproofing system |
| CN107816361B (en) * | 2017-12-08 | 2024-04-19 | 四川省公路规划勘察设计研究院有限公司 | Tunnel rich water section subregion waterproof system |
| CN109667607A (en) * | 2018-12-24 | 2019-04-23 | 中铁十八局集团有限公司 | A kind of tunnel partitioning waterproofing construction technology |
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