CN108952774A - A kind of method that tunnel double-lining construction joint leakage water blocking row combines punishment - Google Patents
A kind of method that tunnel double-lining construction joint leakage water blocking row combines punishment Download PDFInfo
- Publication number
- CN108952774A CN108952774A CN201810601140.2A CN201810601140A CN108952774A CN 108952774 A CN108952774 A CN 108952774A CN 201810601140 A CN201810601140 A CN 201810601140A CN 108952774 A CN108952774 A CN 108952774A
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- China
- Prior art keywords
- anchor bolt
- construction joint
- circular hole
- band
- fastening band
- Prior art date
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- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000903 blocking effect Effects 0.000 title claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims abstract description 32
- 239000004568 cement Substances 0.000 claims description 25
- 229920005549 butyl rubber Polymers 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000001680 brushing effect Effects 0.000 claims description 5
- 239000003550 marker Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000002372 labelling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000001066 destructive effect Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000009746 freeze damage Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to tunnel underground engineering technical fields, and in particular to the method for combining punishment to a kind of tunnel double-lining construction joint leakage water blocking row.The present invention is a kind of method that stifled row combines disposition, water blockoff is carried out by anchor bolt and rubber fastening band, natural drainage is then carried out by draining approaching channel and ejectment pipe, does not change Tunnel Second Lining status structure, it is destructive small, Lining cracks are effectively prevented, do not influence tunnel safety and use, and construction procedure is simple, strong operability, it forms stifled row and combines system, realize natural drainage, economic benefit and social benefit are significant.
Description
Technical field
The present invention relates to tunnel underground engineering technical fields, and in particular to a kind of tunnel double-lining construction joint leakage water blocking row
In conjunction with the method for punishment.
Background technique
During Impacts Evaluation of Urban Tunnel and other underground engineering constructions and operation, since underground utilities are intricate, complicated geology
Changeable, all there is different degrees of water damage, freeze injury, concrete lining damage, lining cutting erosion in most of tunnels and underground engineerings, wherein water damage
Most commonly seen, there is different degrees of leakage phenomenon in tunnel.It is wherein again most commonly seen with construction joint, deformation joint seepage water.Tunnel
It leaks, the safe operation in tunnel is influenced greatly, or even jeopardize tunnel structure safety.Current treating seepage is needle mostly
Simple to seepage place takes slip casting closure in hole, fluting ejectment or both to combine Systematic control, but existing water blockoff structure needs
Secondary liner structure is destroyed, structure use state safety is influenced, not set stifled row combines system, and natural drainage is not implemented.
Summary of the invention
The present invention to solve the deficiencies in the prior art, provides a kind of tunnel double-lining construction joint leakage water blocking row and combines punishment
Method.
The present invention is achieved by the following technical solutions:
(1) it cuts Second Lining Construction and stitches former packing material, chisel to middle buried water stop surface clears up construction joint inner surface, clearly
Construction joint is carried out compacting with waterproof gasket cement after having managed to fill up, waterproof gasket cement and two side bonds of construction joint are closely knit, then again
Construction seam surface is struck off with putty knife；
(2) after waterproof gasket cement reaches the intensity of requirement, then in construction joint two sides, buried water stop width is black in
The range of line pop-up installation anchor bolt, then according to the anchor bolt of the pre-buried customization of the line of ink marker, anchor bolt is symmetrically embedded in construction joint two sides, two sides
The spacing of anchor bolt is 150mm；
(3) it after anchor bolt is embedded, clears up the dust of anchor bolt periphery concrete surface and guarantees anchor bolt peripheral structure surfacing,
It is carried out polishing processing with sanding machine if any out-of-flatness, then the brushing waterproof gasket cement on the concrete surface on anchor bolt periphery；
(4) press sleeve loads onto butyl rubber band respectively in the anchor bolt of two sides, is provided with circular hole in advance on butyl rubber band,
The diameter of circular hole is equal with anchor bolt diameter, and butyl rubber band is sleeved in anchor bolt and is pressed by circular hole, makes it under
The waterproof sealing glue sticking that face is brushed is secured；
(5) then the brushing waterproof gasket cement on butyl rubber band is installed rubber between the anchor bolt of construction joint two sides and is stopped
Water band, two end cap of rubber fastening band are provided with circular hole, the diameter and anchor bolt of circular hole in the anchor bolt of two sides in advance on rubber water-proof band
Diameter is equal, is covered rubber fastening band in anchor bolt by circular hole, and then pressing rubber fastening band seals it with butyl rubber
The waterproof sealing glue sticking taken is secured, and rubber fastening band forms draining approaching channel at construction joint；
(6) after rubber fastening band installs, steel plate is covered respectively then and is pressed in the anchor bolt of two sides, steel plate is equally drilled with circle in advance
The diameter in hole, circular hole is equal with anchor bolt diameter, steel plate is sleeved in anchor bolt by circular hole, steel plate further fixes rubber water-proof
Steel plate, rubber fastening band are secured firmly on concrete wall by the both ends of band finally by nut；
(7) ejectment pipe finally is set at Second Lining Construction seam arch springing, ejectment pipe is connected to above-mentioned draining approaching channel, makes ejectment
Pipe enters gutter, and gutter internal drainage blind pipe is connected to centre drain to be formed stifled row and combined system, realization nature ejectment.
Preferably, the waterproof gasket cement is response type waterproof gasket cement.
Further, in step (5), the rubber fastening band is 350mm wide external labeling type waterstop.
Preferably, the anchor bolt is chemical anchor bolts.
Effective control measures after occurring the present invention provides a kind of tunnel double-lining construction joint percolating water seep to eliminate as early as possible
Leak restores tunnel normal use, provides effective solution method.The present invention is a kind of method that stifled row combines disposition, no
Change Tunnel Second Lining status structure, it is destructive small, Lining cracks are effectively prevented, do not influence tunnel safety and use, together
When improve the durability of structure, construction procedure is simple, strong operability, forms stifled row and combines system, realizes natural drainage, warp
Benefit of helping and social benefit are significant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at anchor bolt of the present invention.
Fig. 2 is the structural schematic diagram of ejectment of the present invention.
In figure, 1 construction joint, 2 waterproof gasket cements, 3 anchor bolts, 4 butyl rubber bands, 5 rubber fastening bands, 6 draining approaching channels,
7 steel plates, 8 nuts, 9 ejectment pipes, 10 draining blind pipes, 11 centre drains, 12 secondary linings.
Specific embodiment
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
A kind of method that tunnel double-lining construction joint leakage water blocking row combines punishment, includes the following steps:
(1) the former packing material of 12 construction joint of secondary lining 1 is cut, chisel to middle buried water stop surface clears up table in construction joint 1
Face, will remove greasy dirt, attachment, the dust etc. of 1 gap inner surface of construction joint, guarantee the inner surface of construction joint 1 it is dry, it is smooth,
Cleaning prevents poor attachment, has cleared up and then construction joint 1 is carried out compacting with waterproof gasket cement 2 and filled up, it is ensured that waterproof gasket cement
2 is closely knit with 1 liang of side bonds of construction joint, and waterproof gasket cement 2 used in the present embodiment is response type waterproof gasket cement, then again with greasy
Sub- knife strikes off 1 surface of construction joint；
(2) after waterproof gasket cement 2 reaches the intensity of requirement, then in 1 two sides of construction joint, buried water stop width is used in
The range of line of ink marker pop-up installation anchor bolt 3, the spacing of two sides anchor bolt 3 is 150mm, and two sides anchor bolt 3 is symmetrically distributed in 1 liang of construction joint
Side, then according to the anchor bolt 3 of the pre-buried customization of the line of ink marker, the preferred anchor bolt 3 of the present embodiment is chemical anchor bolts；
(3) it after anchor bolt 3 is embedded, clears up the dust of 3 periphery concrete surface of anchor bolt and guarantees that 3 peripheral structure surface of anchor bolt is flat
It is whole, 3 periphery of anchor bolt concrete surface must it is smooth, no honeycomb, without pitted skin, without thin projections etc., must if any out-of-flatness
It must be carried out polishing processing with sanding machine, then the brushing waterproof gasket cement 2 on the concrete surface on 3 periphery of anchor bolt；
(4) press sleeve loads onto butyl rubber band 4 respectively in two sides anchor bolt 3, is provided with circle in advance on butyl rubber band 4
The diameter in hole, circular hole is equal with 3 diameter of anchor bolt, and butyl rubber band 4 is sleeved in anchor bolt 3 and is pressed by circular hole, is made
It is be bonded with the waterproof gasket cement 2 brushed below securely, and adhesive strength, the tensile strength of butyl rubber band 4 are high, elasticity,
Good extending performance for interface deformation and cracks adaptable；
(5) then the brushing waterproof gasket cement 2 on butyl rubber band 4 installs rubber between the anchor bolt 3 of 1 two sides of construction joint
Glue waterstop 5, the present embodiment preferred rubber waterstop 5 use 350mm wide external labeling type waterstop, and 5 liang of end caps of rubber fastening band exist
In the anchor bolt 3 of two sides, it is provided with circular hole in advance on rubber fastening band 5, it can be according to the spacing of two sides anchor bolt 3, in rubber fastening band 5
Upper to draw mark line and bore circular hole, the diameter of circular hole is equal with 3 diameter of anchor bolt, by circular hole by 5 sets of rubber fastening band in anchor bolt 3
On, then pressing is be bonded with the waterproof gasket cement 2 on butyl rubber band 4 securely, in this way, rubber fastening band 5 is in construction joint 1
Place forms draining approaching channel 6；
(6) after rubber fastening band 5 installs, steel plate 7 is covered respectively then and is pressed in two sides anchor bolt 3, steel plate 7 is equally drilled in advance
The diameter of circular hole, circular hole is equal with 3 diameter of anchor bolt, steel plate 7 is sleeved in anchor bolt 3 by circular hole, steel plate 7 further fixes rubber
Steel plate 7, rubber fastening band 5 are secured firmly on concrete wall by the both ends of glue waterstop 5 finally by nut 8；
(7) ejectment pipe 9 is finally set at 12 construction joint of secondary lining, 1 arch springing, ejectment pipe 9 is connected to above-mentioned draining approaching channel 6,
So that ejectment pipe 9 is entered gutter, because gutter internal drainage blind pipe 10 is connected to centre drain 11, is seeped at construction joint 1 to realize
The natural ejectment of leak realizes stifled row and combines.
Embodiment described above, only one kind of the present invention more preferably specific embodiment, those skilled in the art
The usual variations and alternatives that member carries out within the scope of technical solution of the present invention should be all included within the scope of the present invention.
Claims (4)
1. a kind of method that tunnel double-lining construction joint leakage water blocking row combines punishment, characterized by the following steps:
(1) the former packing material of Second Lining Construction seam (1) is cut, chisel to middle buried water stop surface clears up construction joint (1) interior table
Construction joint (1) is carried out compacting with waterproof gasket cement (2) after having cleared up and filled up by face, waterproof gasket cement (2) and construction joint (1) two
Side bonds are closely knit, then strike off construction joint (1) surface with putty knife again；
(2) after waterproof gasket cement (2) reaches the intensity of requirement, then in construction joint (1) two sides, the buried water stop in is wide
Degree pops up the range of installation anchor bolt (3) with the line of ink marker, and then according to the anchor bolt (3) of the pre-buried customization of the line of ink marker, anchor bolt (3) is symmetrically embedded in
Construction joint (1) two sides, the spacing of two sides anchor bolt (3) are 150mm；
(3) it after anchor bolt (3) is embedded, clears up the dust of anchor bolt (3) periphery concrete surface and guarantees anchor bolt (3) peripheral structure
Surfacing is carried out polishing processing with sanding machine if any out-of-flatness, is then brushed on the concrete surface on anchor bolt (3) periphery anti-
Watertight sealing (2)；
(4) press sleeve is loaded onto butyl rubber band (4) respectively on two sides anchor bolt (3), on butyl rubber band (4) in advance
It is provided with circular hole, the diameter of circular hole is equal with anchor bolt (3) diameter, and butyl rubber band (4) is sleeved on anchor bolt (3) by circular hole
It goes up and presses, keep it Nian Jie with waterproof gasket cement (2) brushed below securely；
(5) the brushing waterproof gasket cement (2) on butyl rubber band (4), then construction joint (1) two sides anchor bolt (3) it
Between install rubber fastening band (5), (5) two end cap of rubber fastening band in the anchor bolt (3) of two sides, on rubber fastening band (5) in advance
It is provided with circular hole, the diameter of circular hole is equal with anchor bolt (3) diameter, covers rubber fastening band (5) on anchor bolt (3) by circular hole, so
Pressing rubber fastening band (5) keeps it Nian Jie with waterproof gasket cement (2) on butyl rubber band (4) securely afterwards, rubber water-proof
Band (5) forms draining approaching channel (6) at construction joint (1)；
(6) after rubber fastening band (5) installs, steel plate (7) is covered respectively then and is pressed on two sides anchor bolt (3), steel plate (7) is same
It is drilled with circular hole in advance, the diameter of circular hole is equal with anchor bolt (3) diameter, steel plate (7) is sleeved on anchor bolt (3) by circular hole, steel
Plate (7) further fixes the both ends of rubber fastening band (5), finally by nut (8) by steel plate (7), rubber fastening band (5) firmly
It is fixed on concrete wall；
(7) ejectment pipe (9) finally are set at secondary lining (12) construction joint (1) arch springing, ejectment pipe (9) draws with above-mentioned draining
Slot (6) connection, makes ejectment pipe (9) to enter gutter, and gutter internal drainage blind pipe (10) is connected to the stifled row of formation with centre drain (11)
In conjunction with system, nature ejectment is realized.
2. the method that tunnel double-lining construction joint leakage water blocking row according to claim 1 combines punishment, it is characterised in that: institute
Stating waterproof gasket cement (2) is response type waterproof gasket cement.
3. the method that tunnel double-lining construction joint leakage water blocking row according to claim 1 combines punishment, it is characterised in that:
In step (5), the rubber fastening band (5) is 350mm wide external labeling type waterstop.
4. the method that tunnel double-lining construction joint leakage water blocking row according to claim 1 combines punishment, it is characterised in that: institute
Stating anchor bolt (3) is chemical anchor bolts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601140.2A CN108952774B (en) | 2018-06-12 | 2018-06-12 | A kind of method that tunnel double-lining construction joint leakage water blocking row combines punishment |
| PCT/CN2019/088493 WO2019237908A1 (en) | 2018-06-12 | 2019-05-27 | Blocking and drainage combined treatment method for water leakage at construction joint of secondary lining of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601140.2A CN108952774B (en) | 2018-06-12 | 2018-06-12 | A kind of method that tunnel double-lining construction joint leakage water blocking row combines punishment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952774A true CN108952774A (en) | 2018-12-07 |
| CN108952774B CN108952774B (en) | 2019-04-23 |
Family
ID=64488344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601140.2A Active CN108952774B (en) | 2018-06-12 | 2018-06-12 | A kind of method that tunnel double-lining construction joint leakage water blocking row combines punishment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108952774B (en) |
| WO (1) | WO2019237908A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237908A1 (en) * | 2018-06-12 | 2019-12-19 | 济南城建集团有限公司 | Blocking and drainage combined treatment method for water leakage at construction joint of secondary lining of tunnel |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019237908A1 (en) | 2019-12-19 |
| CN108952774B (en) | 2019-04-23 |
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