CN109751066A - A kind of tunnel anchor pole crosses splash guard water stop construction method - Google Patents
A kind of tunnel anchor pole crosses splash guard water stop construction method Download PDFInfo
- Publication number
- CN109751066A CN109751066A CN201910176765.3A CN201910176765A CN109751066A CN 109751066 A CN109751066 A CN 109751066A CN 201910176765 A CN201910176765 A CN 201910176765A CN 109751066 A CN109751066 A CN 109751066A
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- China
- Prior art keywords
- splash guard
- anchor pole
- sealing pallet
- tunnel
- sealing
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- 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.)
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel anchor poles to cross splash guard water stop construction method, the following steps are included: 1) sealing pallet is installed: tunnel, which is formed after the completion of just spraying on country rock face surface, sprays concrete face, sealing pallet is covered on exposed anchor pole, and is tightly attached to sealing pallet on spray concrete face.2) hot melt pad is laid with: hot melt pad is laid on the spray concrete face on the outside of sealing pallet.3) splash guard is arranged: so that the exposed anchor pole of preliminary bracing is penetrated splash guard, splash guard is fitted on sealing pallet, by being adhesively fixed between splash guard and sealing pallet, connected by hot melt pad using hot melting way between splash guard and spray concrete face；4) pitch is filled between anchor pole and sealing pallet: gap is pitch fill area, the filled bitumen in pitch fill area between sealing pallet and exposed anchor pole.The present invention during constructing tunnel, can the exposed anchor pole of supporting in the early stage pass through splash guard at weak part formed a hermetic water-proof structure, effectively improve lining cutting drag.
Description
Technical field
The invention belongs in Tunnel Engineering composite support Lining Technique and waterproof technique field, and in particular to a kind of tunnel
Anchor pole crosses splash guard water stop construction method.
Background technique
As domestic communication infrastructure continues to develop, either highway or railway all need to build a large amount of Tunnel Engineering
Shorten transportation range, since tunnel is to be built in underground, building current for motor vehicles in underwater or massif, due to using
Splash guard separates preliminary bracing and two linings, connects between the two without anchor pole, is not effectively formed connection, can not form composite support
With liner structure, supporting construction is on the one hand wasted, on the other hand significantly reduces the globality and integrality of structure, is weakened
This due compound system.To which the weakening of liner structure drag and some underground water for crossing the formation of splash guard anchor pole leak into
It easily causes tunnel structure to destroy in tunnel, jeopardizes vehicular traffic and passenger's personal safety.
Summary of the invention
The problem of for background technique, the invention proposes a kind of tunnel anchor poles to cross splash guard sealing construction side
Method, can be realized preliminary bracing anchor pole and penetrates splash guard and effectively connect with two lining structures, form composite support and liner structure,
Tunnel drag is improved, while solving the problems, such as that anchor pole crosses the structurally waterproof of splash guard, specially uses sealing pallet and waterproof
Plate sweat soldering or bonding and the filled bitumen between anchor pole and pallet hole, make splash guard effectively be combined shape with anchor pole weak part
At hermetic water-proof structure, reach waterproof effect.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of tunnel anchor pole crosses splash guard water stop construction method, comprising the following steps:
1) sealing pallet is installed: tunnel, which is formed after the completion of just spraying on country rock face surface, sprays concrete face, and sealing pallet is covered in exposed anchor
On bar, and it is tightly attached to sealing pallet on spray concrete face.
2) hot melt pad is laid with: hot melt pad is laid on the spray concrete face on the outside of sealing pallet.
3) splash guard is arranged: so that the exposed anchor pole of preliminary bracing is penetrated splash guard, splash guard is fitted on sealing pallet, prevent
By being adhesively fixed between water plate and sealing pallet, connected by hot melt pad using hot melting way between splash guard and spray concrete face；
4) pitch is filled between anchor pole and sealing pallet: gap is pitch fill area between sealing pallet and exposed anchor pole,
Filled bitumen in pitch fill area.
Preferably, the material of sealing pallet is identical as splash guard, splash guard is incorporated in sealing pallet using thermofussion welding
Together.
Preferably, hot melt pad is adopted and nailed, nail arranges spacing spacing 0.5m*0.5m.
Beneficial effects of the present invention:
The present invention realizes that preliminary bracing anchor pole penetrates effective connection of splash guard and two lining structures, forms composite support and lining cutting
Structure improves tunnel drag, while passing through sealing pallet, combined area, and anchor pole through hole composition anchor pole crosses sealing pallet, in addition
The waterproof construction that a set of sealing is formed using gap between pitch filled trays and anchor pole, it is hardened with waterproof to efficiently solve anchor pole
The leakage problem at position is closed, structure setting is simple, and it is easy for construction, good social and economic benefit can be generated.
Detailed description of the invention
Fig. 1 is that anchor pole of the invention crosses splash guard sealing pallet constructing structure diagrammatic cross-section.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the sectional view of sealing pallet of the invention.
In figure: 1- country rock face, 2-spray concrete faces, 3-drainage blankets, 4-splash guards, 5-two lining concrete, 6-anchor poles, 7-
Sealing pallet, 8-combined areas, 9- pitch fill area.
Specific embodiment
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, below in conjunction with attached drawing, to the present invention
Preferred embodiment be described in detail, to facilitate the technical staff to understand.
Referring to attached drawing 1-3, shown tunnel anchor pole crosses splash guard water stop construction method, comprising the following steps:
1) sealing pallet is installed: tunnel, which is formed after the completion of just spraying on country rock face surface, sprays concrete face 2, by 7 sets of sealing pallet exposed
On anchor pole, and it is tightly attached to sealing pallet 7 on spray concrete face 2.
2) hot melt pad is laid with: hot melt pad 8 is laid on the spray concrete face 2 in 7 outside of sealing pallet.
3) splash guard is arranged: so that the exposed anchor pole 6 of preliminary bracing is penetrated splash guard 4, splash guard 4 is fitted in sealing pallet 7
On, by being adhesively fixed between splash guard 4 and sealing pallet 7, is used and heated by hot melt pad 8 between splash guard 4 and spray concrete face 2
Mode connects.
4) pitch is filled between anchor pole and sealing pallet: gap is pitch filling between sealing pallet 7 and exposed anchor pole 6
Area 9, the filled bitumen in pitch fill area 9.
Hot melt pad 8, which is adopted, to nail, and nail arranges spacing spacing 0.5m*0.5m.
In the present embodiment, the material of sealing pallet is identical as splash guard, and splash guard 4 and 7 connection type of sealing pallet are excellent
It is selected as being combined together using thermofussion welding, construction method is simple, greatlys save cost, strong operability.
It wherein, is rotary table outstanding in the middle part of sealing pallet 7, corresponding rotary table position is provided with tapered through-hole 10, on splash guard 4
Open up circular hole.
Specific construction process are as follows: after the completion of spray at the beginning of tunnel, sealing pallet 7 is set on exposed anchor pole 6 by through-hole 10,
Outwardly, 7 inside of sealing pallet is bonded with spray concrete face 2, and gap is drainage blanket 3 between sealing pallet 7 and spray concrete face 2 in rotary table direction,
Splash guard 4 passes through 6 rear enclosure of anchor pole on the rotary table of sealing pallet 7 by plate body circular hole, adopts between splash guard 4 and sealing pallet 7
It is combined together with the mode of thermofussion welding or bonding, sealing pallet 7 and splash guard 4 is made to form an entirety, splash guard 4 and spray concrete
It is connected by hot melt pad 8 using hot melting way between face 2, so that the setting of splash guard 4 is firm, it is pre- between sealing pallet 7 and anchor pole 6
Stay pitch fill area 9, filled bitumen in pitch fill area 9, by gap filling it is closely knit, form the waterproof knot an of integral sealing
The structure type of structure and preliminary bracing and the compound just branch and two linings that effectively connect of two linings, while it is hardened with sealing to reach anchor pole
Preservative treatment effect at conjunction.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (3)
1. a kind of tunnel anchor pole crosses splash guard water stop construction method, which comprises the following steps:
1) sealing pallet is installed: tunnel, which is formed after the completion of just spraying on country rock face surface, sprays concrete face 2, outside by sealing pallet (7) set
Reveal on anchor pole, and is tightly attached to sealing pallet (7) in spray concrete face (2)；
2 hot melt pads are laid with: hot melt pad (8) is laid on the spray concrete face (2) on the outside of sealing pallet (7)；
3) splash guard is arranged: so that the exposed anchor pole of preliminary bracing (6) is penetrated splash guard (4), splash guard (4) is fitted in sealing pallet
(7) on, by being adhesively fixed between splash guard (4) and sealing pallet (7), pass through hot melt between splash guard (4) and spray concrete face (2)
(8) are padded to connect using hot melting way；
4) pitch is filled between anchor pole and sealing pallet: gap is pitch filling between sealing pallet (7) and exposed anchor pole (6)
Area (9), in pitch fill area (9) interior filled bitumen.
2. tunnel anchor pole crosses splash guard water stop construction method according to claim 1, it is characterised in that: the material of sealing pallet
Identical as splash guard, splash guard (4) is combined together with sealing pallet (7) using thermofussion welding.
3. tunnel anchor pole crosses splash guard water stop construction method according to claim 1, it is characterised in that: hot melt pad (8) uses
Nail is fixed, and nail arranges spacing spacing 0.5m*0.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176765.3A CN109751066A (en) | 2019-03-08 | 2019-03-08 | A kind of tunnel anchor pole crosses splash guard water stop construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176765.3A CN109751066A (en) | 2019-03-08 | 2019-03-08 | A kind of tunnel anchor pole crosses splash guard water stop construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751066A true CN109751066A (en) | 2019-05-14 |
Family
ID=66408307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910176765.3A Pending CN109751066A (en) | 2019-03-08 | 2019-03-08 | A kind of tunnel anchor pole crosses splash guard water stop construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751066A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749718A (en) * | 2020-05-21 | 2020-10-09 | 大禹伟业(北京)国际科技有限公司 | Waterproof technology for tunnel construction |
| CN111927512A (en) * | 2020-08-14 | 2020-11-13 | 贵州省公路工程集团有限公司 | Construction method of tunnel primary support anchor rod |
-
2019
- 2019-03-08 CN CN201910176765.3A patent/CN109751066A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749718A (en) * | 2020-05-21 | 2020-10-09 | 大禹伟业(北京)国际科技有限公司 | Waterproof technology for tunnel construction |
| CN111927512A (en) * | 2020-08-14 | 2020-11-13 | 贵州省公路工程集团有限公司 | Construction method of tunnel primary support anchor rod |
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