CN114645728A - Method for solving water seepage and ice falling of tunnel vault - Google Patents
Method for solving water seepage and ice falling of tunnel vault Download PDFInfo
- Publication number
- CN114645728A CN114645728A CN202210164863.7A CN202210164863A CN114645728A CN 114645728 A CN114645728 A CN 114645728A CN 202210164863 A CN202210164863 A CN 202210164863A CN 114645728 A CN114645728 A CN 114645728A
- Authority
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- China
- Prior art keywords
- anchor rod
- water baffle
- water
- vault
- tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000003466 welding Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 102220588530 von Willebrand factor A domain-containing protein 5B1_R25N_mutation Human genes 0.000 description 1
Images
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
- E21D11/381—Setting apparatus or devices
-
- 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
- E21D11/385—Sealing means positioned between adjacent lining members
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
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 invention provides a method for solving water seepage and ice falling of a tunnel vault, which comprises the following steps: at least one anchor rod cushion block is fixed on each water baffle; placing at least one water baffle at the lower end of the tunnel crack, and fixing the water baffle on the vault of the tunnel by using an expansion bolt; at least one anchor rod penetrates through the water baffle, the anchor rod cushion block and the tunnel vault; and welding and fixing the gap between two adjacent water baffles. The method provided by the invention can accelerate the construction progress, can complete construction in the skylight point, and can solve the potential safety hazard problem caused by the icing and block falling of the tunnel vault.
Description
Technical Field
The application relates to the technical field of traffic tunnels, in particular to a method for solving water seepage and ice falling of a tunnel vault.
Background
Various defects occur in the operation process of railways, and the defects of railway tunnels include lining cracks, water leakage, lining back hollowing, lining damage and block dropping, inverted arch grout turning and mud pumping and the like. The water leakage is a common tunnel defect, and the causes of the tunnel water leakage are as follows: firstly, the concrete pouring process is unreasonable; secondly, the waterproof board is laid to have defects; embedding pipes in the arch part and applying supplementary grouting in place; developing underground water, and seeping the underground water along the cracks of the surrounding rock.
The tunnel disease management is a very complex system engineering, and not only relates to construction safety, but also relates to operation management safety. In the prior art, the method for treating the water leakage disease of the tunnel is mainly to reinforce or block cracks by grouting, and a method for reinforcing the tunnel lining by adopting a W steel belt or a steel corrugated plate and the like is also adopted. However, since disease control interferes with normal operation of the vehicle, a short skylight spot cannot be constructed on a large scale and a large scale. In addition, if in winter in the north, the weather is cold, the leaked water is also frozen, and if the icicles fall, the passing vehicles can be injured by crashing, so that the driving safety of railways is influenced, and even safety accidents are caused. For the problems of water leakage of the tunnel and block falling caused by freezing in winter, if the traditional treatment method is adopted, the construction time is longer, and the construction is difficult to complete in a skylight point of 2 to 4 hours.
In summary, because the method for preventing and treating tunnel water leakage in the prior art has the disadvantages as described above, how to provide a better method for solving water seepage and ice dropping of the tunnel vault can accelerate the construction progress, and meanwhile, the driving safety problem caused by the icing and block dropping of the tunnel vault can be solved, which is a problem to be solved urgently in the field.
Disclosure of Invention
In view of the above, the invention provides a method for solving water seepage and ice falling of a tunnel vault, so that the construction progress can be accelerated, the construction can be completed in a skylight point, and the potential safety hazard problem caused by the fact that the tunnel vault is frozen and blocks fall can be solved.
The technical scheme of the invention is realized as follows:
a method for solving water seepage and ice falling of a tunnel vault comprises the following steps:
step A, fixing at least one anchor rod cushion block on each water baffle;
b, placing at least one water baffle at the lower end of the tunnel crack, and fixing the water baffle on the vault of the tunnel by using an expansion bolt;
c, enabling at least one anchor rod to penetrate through the water baffle, the anchor rod cushion block and the tunnel vault;
and D, welding and fixing the gap between the two adjacent water baffles.
Preferably, the water baffle in step a includes: the novel blackboard comprises a blackboard body and edge bulges, wherein the edge bulges with the same height are respectively arranged on two sides of the blackboard body along the length direction.
Preferably, a plurality of bolt holes spaced at a preset distance are respectively formed in the two edge protrusions.
Preferably, at least one anchor rod hole is arranged in the middle of the board body of the water baffle.
Preferably, the anchor rod cushion block is provided with a through hole corresponding to the anchor rod hole.
Preferably, the anchor rod cushion block is adhered and fixed at the anchor rod hole of the plate body by using structural adhesive, so that the through hole corresponds to the anchor rod hole, wherein the thickness of the anchor rod cushion block is the same as the height of the edge protrusion.
Preferably, the step B includes the following steps:
anti-loosening glue is arranged in the bolt hole;
covering the circumferential crack of the vault with the first water baffle plate, and enabling the edge bulges at two sides of the water baffle plate to be abutted against the vault;
a plurality of expansion bolts respectively penetrate through the bolt holes on the two edge bulges and are fixedly connected with the vault of the tunnel;
the second water baffle is next to the first water baffle and is sequentially fixed on the vault by the same fixing method as the first water baffle;
and sequentially fixing all the water baffles on the vault according to the fixing method of the first water baffle and the second water baffle.
Preferably, the anchor rod in the step C passes through the anchor rod hole on the water baffle plate body, the through hole on the anchor rod cushion block and the tunnel vault and is anchored.
Preferably, the step D includes the following steps:
cleaning a gap between two adjacent water baffles;
and welding and fixing the gap between two adjacent water baffles by using a special welding rod.
Preferably, the water baffle is made of insulating and waterproof high polymer materials through integral molding; the anchor rod cushion block is made of the same material as the water baffle.
As can be seen from the above, in the method for solving water seepage and ice dropping at the vault of the tunnel, the problem that the overhead contact system is damaged and the safety of a running train is damaged due to the fact that the water deflector is used for water baffling and drainage is solved. Furthermore, the construction progress of prevention and control of tunnel water leakage is accelerated, and the construction cost is reduced.
Drawings
Fig. 1 is a flowchart of a method for solving water seepage and ice dropping at a tunnel vault according to an embodiment of the invention.
FIG. 2 is a schematic structural diagram of a water guard plate according to an embodiment of the present invention.
FIG. 3 is a side view of a splash plate in an embodiment of the present invention.
Fig. 4 is a schematic view illustrating the installation of the water guard plate in the vault of the tunnel according to the embodiment of the present invention.
FIG. 5 is a schematic view of the water guard plate covering the crack in the embodiment of the present invention.
Detailed Description
In order to make the technical scheme and advantages of the invention more apparent, the invention is further described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a flowchart of a method for solving water seepage and ice dropping at a tunnel vault according to an embodiment of the invention.
As shown in fig. 1, the method for solving water seepage and ice dropping of the arch crown of the tunnel in the embodiment of the invention comprises the following steps:
and step 14, welding and fixing the gap between two adjacent water baffles.
In the technical scheme of the invention, various implementation modes can be used for realizing the method for solving water seepage and ice falling of the vault of the tunnel. The technical solution of the present invention will be described in detail below by taking one implementation manner as an example.
For example, in an embodiment of the present invention, as shown in the figure, the water guard plate in the step 11 may include: the plate comprises a plate body 21 and edge protrusions 22, wherein the two sides of the plate body 21 in the length direction are respectively provided with the edge protrusions 22 with the same height. When the water baffle is fixed on the vault of the tunnel, the edge bulge 22 of the water baffle is contacted and fixed with the vault, and a spacing distance exists between the plate body 21 in the middle of the two edge bulges 22 and the vault, and the spacing distance is equal to the height of the edge bulge 22.
Through setting up edge protrusion 22, when the crack seepage water of vault, because there is the spacing distance between the board body 21 in the middle of the breakwater and the vault, and not closely laminating, thereby can make the seepage water flow the basement department of arch wall both sides along board body 21 from the space department between board body 21 and the vault, and then avoided the seepage water to directly drip from the vault, influence going of past vehicle, also prevented that the seepage water from freezing into icicle at the vault, icicle drops and injures vehicle or contact net and the potential safety hazard that exists.
Preferably, the water baffle can be made of insulating and waterproof high polymer materials through integral molding. Because the insulating waterproof material has insulativity and fire resistance, leakage water can be drained without leakage, and the electric leakage of a contact net and the damage of generated electric arcs to a structure can be prevented.
Preferably, the two edge protrusions 22 are respectively provided with a plurality of bolt holes 221 spaced apart by a predetermined distance, so that expansion bolts can pass through the bolt holes 221 to fix the water deflector to the dome of the tunnel.
Preferably, at least one anchor rod hole 211 is formed in the middle of the body 21 of the splash guard, so that the anchor rod can pass through the anchor rod hole 211 and the tunnel arch to further fixedly connect the splash guard and the arch.
Preferably, the anchor rod pad 31 is provided with a through hole 311 corresponding to the anchor rod hole 211.
In addition, as an example, in a preferred embodiment of the present invention, in the step 11, the anchor pad 31 may be fixed to the anchor hole 211 of the plate body 21 by using structural adhesive, so that the through hole 311 corresponds to the anchor hole 211.
Preferably, the thickness of the anchor block 31 is the same as the height of the edge protrusion 22.
Preferably, the anchor block 31 is made of the same material as the water guard plate.
In addition, preferably, in an embodiment of the present invention, the step 12 may include the following steps:
step 121, arranging anti-loosening glue in the bolt holes 221;
step 122, covering the circumferential cracks of the vault with the first water baffle plate, and enabling the edge bulges 22 on the two sides of the water baffle plate to be abutted against the vault;
step 123, respectively penetrating a plurality of expansion bolts through the bolt holes 221 on the two edge bulges 22, and fixedly connecting the expansion bolts with the arch top of the tunnel;
step 124, sequentially fixing the second water baffle next to the first water baffle on the vault by the same fixing method as the first water baffle;
and step 125, sequentially fixing all the water baffles on the vault according to the fixing method of the first water baffle and the second water baffle.
In addition, preferably, in an embodiment of the present invention, the anchor rod in the step 13 is passed through the anchor rod hole 211 of the breakwater body 21, the through hole 311 of the anchor block 31, and the tunnel dome and anchored. The water baffle can be further fixedly connected with the vault through the anchor rod; in addition, the anchor rod fixes the middle position of the water baffle plate body 21 at the vault, so that the connection strength of the middle position of the water baffle plate is increased, and the function of the water baffle plate for resisting water leakage, freezing and expansion can be increased.
Preferably, the anchor rod can be a self-propelled hollow grouting anchor rod of R25N.
In addition, preferably, in an embodiment of the present invention, the step 14 may include the following steps:
step 141, cleaning a gap between two adjacent water baffles;
and 142, welding and fixing the gap between the two adjacent water baffles by using a special welding rod.
In conclusion, in the technical scheme of the invention, as the expansion bolt and the anchor rod are used for fixing the insulating water baffle along the circumferential crack of the tunnel vault, the water baffle can guide the water leakage of the tunnel vault to the wall foot of the arch wall, so that the water leakage of the tunnel vault in winter is prevented from freezing, and the icicle falls to damage a contact net or a passing vehicle; in addition, the water baffle is made of materials with insulativity and flame retardance, and can prevent the damage of the electric leakage of a contact net and the generated electric arc to a structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for solving water seepage and ice falling of a tunnel vault is characterized by comprising the following steps:
step A, fixing at least one anchor rod cushion block on each water baffle;
b, placing at least one water baffle at the lower end of the tunnel crack, and fixing the water baffle on the vault of the tunnel by using an expansion bolt;
c, enabling at least one anchor rod to penetrate through the water baffle, the anchor rod cushion block and the tunnel vault;
and D, welding and fixing the gap between the two adjacent water baffles.
2. The method of claim 1, wherein: the water guard plate in the step A comprises: the board body is provided with the edge protrusion of same height along length direction's both sides respectively.
3. The method of claim 2, wherein: and a plurality of bolt holes with preset intervals are respectively arranged on the two edge bulges.
4. The method of claim 3, wherein: and at least one anchor rod hole is formed in the middle of the water baffle plate body.
5. The method of claim 4, wherein: and the anchor rod cushion block is provided with a through hole corresponding to the anchor rod hole.
6. The method of claim 5, wherein: and in the step A, an anchor rod cushion block is adhered and fixed at the anchor rod hole of the plate body by using structural adhesive, so that the through hole corresponds to the anchor rod hole, wherein the thickness of the anchor rod cushion block is the same as the height of the edge protrusion.
7. The method of claim 3, wherein: the step B comprises the following steps:
anti-loosening glue is arranged in the bolt hole;
covering the circumferential crack of the vault by the first water baffle plate, and enabling the edge bulges at two sides of the water baffle plate to be abutted against the vault;
a plurality of expansion bolts respectively penetrate through the bolt holes on the two edge bulges and are fixedly connected with the vault of the tunnel;
the second water baffle is closely adjacent to the first water baffle and is sequentially fixed on the vault by the same fixing method as the first water baffle;
and sequentially fixing all the water baffles on the vault according to the fixing method of the first water baffle and the second water baffle.
8. The method of claim 6, wherein: and C, the anchor rod in the step C penetrates through an anchor rod hole in the water baffle plate body, a through hole in the anchor rod cushion block and the tunnel vault and is anchored.
9. The method of claim 1, wherein: the step D comprises the following steps:
cleaning a gap between two adjacent water baffles;
and welding and fixing the gap between two adjacent water baffles by using a special welding rod.
10. The method of claim 1, wherein: the water baffle is integrally formed by insulating and waterproof high polymer materials; the anchor rod cushion block is made of the same material as the water baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210164863.7A CN114645728A (en) | 2022-02-23 | 2022-02-23 | Method for solving water seepage and ice falling of tunnel vault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210164863.7A CN114645728A (en) | 2022-02-23 | 2022-02-23 | Method for solving water seepage and ice falling of tunnel vault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114645728A true CN114645728A (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210164863.7A Pending CN114645728A (en) | 2022-02-23 | 2022-02-23 | Method for solving water seepage and ice falling of tunnel vault |
Country Status (1)
| Country | Link |
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| CN (1) | CN114645728A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559897A (en) * | 1991-08-30 | 1993-03-09 | Kanko Eng Kk | Water cutoff sheet for constructing tunnel and fitting method thereof |
| CN101943006A (en) * | 2010-09-07 | 2011-01-12 | 长安大学 | Treatment method of water leakage of construction joints of tunnel |
| CN204386650U (en) * | 2014-12-31 | 2015-06-10 | 长安大学 | A kind of mounted gutter for the treatment of technology for tunnel seepage water cure |
| JP2017089104A (en) * | 2015-11-02 | 2017-05-25 | 株式会社奥村組 | Structure and method for constructing tunnel lining body |
| CN109458196A (en) * | 2019-01-15 | 2019-03-12 | 西南交通大学 | A kind of environment-friendlydurable durable single shell lining structure suitable for Support System in Soft Rock Tunnels |
| CN210033478U (en) * | 2019-06-04 | 2020-02-07 | 河南安路安防腐制品有限公司 | Insulating water baffle for tunnel |
| CN211666772U (en) * | 2020-02-17 | 2020-10-13 | 四川省交通勘察设计研究院有限公司 | Drainage device for tunnel circumferential construction joint |
| CN211950585U (en) * | 2019-09-19 | 2020-11-17 | 熊文娜 | Tunnel construction is with crossing broken drainage structures of taking of fault |
| CN212926515U (en) * | 2020-05-25 | 2021-04-09 | 中铁城建集团第三工程有限公司 | Multifunctional water stop steel plate with double dovetail type prevention, drainage and blocking combination |
| CN112901208A (en) * | 2021-05-06 | 2021-06-04 | 中铁九局集团第七工程有限公司 | Comprehensive construction method for shallow buried section of urban railway mining method tunnel |
-
2022
- 2022-02-23 CN CN202210164863.7A patent/CN114645728A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559897A (en) * | 1991-08-30 | 1993-03-09 | Kanko Eng Kk | Water cutoff sheet for constructing tunnel and fitting method thereof |
| CN101943006A (en) * | 2010-09-07 | 2011-01-12 | 长安大学 | Treatment method of water leakage of construction joints of tunnel |
| CN204386650U (en) * | 2014-12-31 | 2015-06-10 | 长安大学 | A kind of mounted gutter for the treatment of technology for tunnel seepage water cure |
| JP2017089104A (en) * | 2015-11-02 | 2017-05-25 | 株式会社奥村組 | Structure and method for constructing tunnel lining body |
| CN109458196A (en) * | 2019-01-15 | 2019-03-12 | 西南交通大学 | A kind of environment-friendlydurable durable single shell lining structure suitable for Support System in Soft Rock Tunnels |
| CN210033478U (en) * | 2019-06-04 | 2020-02-07 | 河南安路安防腐制品有限公司 | Insulating water baffle for tunnel |
| CN211950585U (en) * | 2019-09-19 | 2020-11-17 | 熊文娜 | Tunnel construction is with crossing broken drainage structures of taking of fault |
| CN211666772U (en) * | 2020-02-17 | 2020-10-13 | 四川省交通勘察设计研究院有限公司 | Drainage device for tunnel circumferential construction joint |
| CN212926515U (en) * | 2020-05-25 | 2021-04-09 | 中铁城建集团第三工程有限公司 | Multifunctional water stop steel plate with double dovetail type prevention, drainage and blocking combination |
| CN112901208A (en) * | 2021-05-06 | 2021-06-04 | 中铁九局集团第七工程有限公司 | Comprehensive construction method for shallow buried section of urban railway mining method tunnel |
Non-Patent Citations (1)
| Title |
|---|
| 张文达;武雁民;倪晓颖;孟祥宝;: "季节性冻土区铁路隧道渗漏水原因分析及整治技术", 铁道建筑, no. 01, 20 January 2017 (2017-01-20), pages 16 - 18 * |
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