CN206368712U - A kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure - Google Patents
A kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure Download PDFInfo
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- CN206368712U CN206368712U CN201621258586.2U CN201621258586U CN206368712U CN 206368712 U CN206368712 U CN 206368712U CN 201621258586 U CN201621258586 U CN 201621258586U CN 206368712 U CN206368712 U CN 206368712U
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- shield tunnel
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- bolt hole
- hydraulic pressure
- high hydraulic
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Abstract
The utility model is related to a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure, to fill the space between shield tunnel joint connecting bolt and duct pieces of shield tunnel at high hydraulic pressure or more river shield tunnel bolt hole over strait, the waterproof construction includes track bolt pad and the elastic packing packing ring of section perforate, described track bolt pad is close to the inner side for being arranged on the nut of joint connecting bolt, and described elastic packing packing ring is filled in the space formed between the bolt hole of track bolt pad, the key of joint connecting bolt and duct pieces of shield tunnel.Compared with prior art, the utility model has the advantages that effectively to block durable seepage flow, waterproof, adaptation stress, convenient handling.
Description
Technical field
The utility model is related to existing shield tunnel seam waterproof engineering field, more particularly, to a kind of high hydraulic pressure shield tunnel
Road bolt hole hermetic water-proof structure.
Background technology
In recent years, with the constantly improve of the exploitation successively of China's underground space, and urban mass transit network, shield
Engineering method is with the advantages of its mechanization degree is high, speed of application is fast, ambient influnence is small, in current urban subway tunnel and large-scale water
It is widely adopted in lower Tunnel Engineering.Show according to investigations, shield tunnel percolating water has turned into influence shield tunnel safety and operation
One of Major Diseases, particularly with electric power tunnel, effluent tunnel and subway tunnel etc., percolating water is not only to daily operation
Bring heavy potential safety hazard.In addition, many scholar's research show internal force of the long-term percolating water of shield tunnel to pipe-plate lining structure
Also considerable influence is produced.
With reference to the long term monitoring and Defect inspection situation of certain domestic subway tunnel, found in investigation, except in lining tube
Piece seam (circumferential weld and longitudinal joint) place occurs outside percolating water, seepage disease at bolt hole also generally existing, shows bolt hole
It is one of main positions that percolating water occurs.In the design work of existing shield tunnel, for the waterproof of seam, as setting
A part for content is counted, has caused extensive attention.Particularly with high hydraulic pressure shield tunnel, the waterproofing design of joint seal pad is also needed
A variety of methods such as laboratory test and numerical simulation are combined, are considered.However, for the water-proofing treatment of bolt hole, leading to
Frequently with the processing of slip casting filleting, factual survey shows, after runing a period of time in tunnel, the percolating water situation land at bolt hole
It is continuous to occur, show that the existing long-term waterproof effect of hand hole blocking method is not good, it would be highly desirable to further perfect.
For high hydraulic pressure shield tunnel, especially electric power tunnel, subway tunnel etc., substantial amounts of electric power machine is completely installed in tunnel
Electric equipment, it is very high for the percolating water calling hierarchy in tunnel, it is desirable to extremely strict, if clocking requirement reaches " watertight ".Mesh
Before, the method for waterproofing effect for the shield tunnel bolt hole under high hydraulic pressure is not good, far can not reach " century-old work
The long-term behaviour design requirement of journey ".In addition, there is no the theoretical and effective and feasible test evaluation side of bolt hole waterproofing design both at home and abroad
Method.
Utility model content
The purpose of this utility model is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of effectively blocking
The high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure that seepage flow, waterproof are durable, adapt to stress, conveniently load and unload.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure, in high hydraulic pressure or more river shield tunnel spiral shell over strait
The space between shield tunnel joint connecting bolt and duct pieces of shield tunnel is filled at keyhole, the waterproof construction includes track bolt
Pad and the elastic packing packing ring of section perforate, described track bolt pad are close to the nut for being arranged on joint connecting bolt
Inner side, described elastic packing packing ring is filled in the key and duct pieces of shield tunnel of track bolt pad, joint connecting bolt
Bolt hole between in the space that is formed.
Described elastic packing packing ring is closed circular ring-type, closing frame shaped or closed polygon-shaped.
Described elastic packing packing ring is ethylene propylene diene rubber elastic packing packing ring.
Described joint connecting bolt is straight bolt, curved bolt or oblique bolt.
Described duct pieces of shield tunnel is concrete pipe sheet, and it is reinforcing bar at the bolt hole being connected with joint connecting bolt
Concrete or pre-buried ironcasting.
The section back semicircular in shape arc-shaped of described elastic packing packing ring, the side of belly is provided with a ventrad side
Prominent nose, opposite side is provided with an afterbody, and offers between nose and afterbody multiple perforates, shape between multiple perforates
Into multiple foots, described back is compressed with track bolt pad to be set, described afterbody and multiple foots respectively with shield tunnel
The upper surface of road section of jurisdiction is pressed into contact with, and described nose is filled in the key of joint connecting bolt and the spiral shell of duct pieces of shield tunnel
In the space formed between keyhole.
Perforate between described nose and foot is arranged on the bolt hole of duct pieces of shield tunnel and the corner of upper surface,
The perforate between perforate and afterbody and foot between described foot is by the upper table face closure of duct pieces of shield tunnel.
Compared with prior art, the utility model has advantages below：
First, seepage flow is effectively blocked：Elastic packing packing ring is additionally arranged between spacer for bolt and concrete pipe sheet, makes it in power
In the presence of deform, to fill bolt, section of jurisdiction and the triangular space of pad, so as to block possible seepage channel.
2nd, waterproof is durable：The elastic sealing gasket set up, with very strong durability：It is corrosion-resistant, ageing-resistant, resistance to hydro-thermal, resistance to
The features such as corona, good insulating, so as to improve the waterproof adaptability of bolt hole and the durability of tunnel-liner.
3rd, stress is adapted to：The deformation of elastic sealing gasket can recover, in Practical Project, and the stress and deformation at bolt hole are multiple
Miscellaneous and indefinite, existing technology does not adapt to the power of track bolt in practice and the change of deformation, and by setting elastic packing
Pad, effectively adapts to the stresses re-distribution near power bolt hole, while keeping waterproof ability not decline again.
4th, convenient handling：It is each independent between elastic packing packing ring and bolt, pad and section of jurisdiction, can arbitrarily it set up, more
Change, adjust, for the improvement of existing bolt hole water leakage defect, with very strong operability, directive significance is strong.
5th, by means such as laboratory test and numerical simulations, it can calculate to a nicety and judge the utility model device
Waterproof ability, it is considered to the design of different seal washers, can carry out laboratory test contrast, effectively instruct Practical Project.
Brief description of the drawings
Fig. 1 is partial enlargement structural representation of the present utility model.
Fig. 2 is overlooking the structure diagram of the present utility model.
Fig. 3 has the sectional schematic diagram of 3 perforates for the elastic packing packing ring of the utility model embodiment.
Fig. 4 has the sectional schematic diagram of 2 perforates for the elastic packing packing ring of the utility model embodiment.
Wherein, 1, elastic packing packing ring, 11, back, 12, nose, 13, perforate, 14, afterbody, 15, foot, 2, joint connects
Connecting bolt, 3, nut, 4, track bolt pad, 5, duct pieces of shield tunnel.
Embodiment
Illustrate embodiment of the present utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages of the present utility model and effect easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With, without departing from it is of the present utility model spirit under carry out various modifications or alterations.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to coordinate specification to be taken off
The content shown, so that those skilled in the art is understood with reading, is not limited to the enforceable restriction bar of the utility model
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influenceing
Under effect that the utility model can be generated and the purpose that can reach, all should still it fall in the technology disclosed in the utility model
In the range of Rong get Neng is covered.
As shown in Figures 1 to 4, waterproof construction of the present utility model includes elastic packing packing ring 1, joint connecting bolt 2, spiral shell
Mother 3 and track bolt pad 4, elastic packing packing ring 1 are located between track bolt pad 4 and duct pieces of shield tunnel 5, and elasticity is close
Seal washer 1 joint connecting bolt 2 and joint connecting bolt 2 nut 3 apply pretightning force in the presence of, densification and fill connect
Hole between head connecting bolt 2, track bolt pad 4 and duct pieces of shield tunnel 5, so as to separate the passage of percolating water, is supported
Resist certain hydraulic pressure, joint connecting bolt 2 applies pretightning force by nut 3 by tools for bolts ' pretension instrument.
The principle of this patent is：As shown in figure 1, shield tunnel joint 3 is in the presence of pretightning force, pass through track bolt pad
Piece 4 produces certain compression stress to elastic packing packing ring 1, and under the compression force larger change occurs for elastic packing packing ring 1
Shape and it is compacted, so as to fill the gap between joint connecting bolt 2 and the concrete surface of duct pieces of shield tunnel 5, the bullet shown in Fig. 3
Property seal washer 1 nose 12 further deformed under extruding force effect, and produce higher contact stress, resist bolt hole
The hydraulic pressure at place, it is achieved thereby that the sealing waterproof at shield tunnel bolt hole.
Joint connecting bolt 2 is to connect adjacent two pieces of duct pieces of shield tunnel 5, duct pieces of shield tunnel 5 and track bolt
Track bolt pad 4 is set between nut 3, and track bolt pad 4 and joint connecting bolt 2 are supporting, to increase contact area, keep away
Concrete pipe sheet surface abrasion is to crush caused by exempting from stress concentration, and elastic packing packing ring 1 is compressible in the range of certain force
Deformation, can be recovered with filling space, and deforming, to adapt to the complex deformation of actual conditions center tap.
It is illustrated in figure 3 the sealing gasket sectional form of this example, section can perforate, it is ensured that elastic packing packing ring 1 is in power
In the presence of deformability, to adapt to the change of hole.The perforate of corner shown in figure three, it is ensured that elastic packing packing ring 1
Fitted with close at track bolt bore edges, while avoiding crack and breakage caused by concentrated stress.
As shown in Fig. 2 bolt hole seal washer is closed circle in this example.But the utility model not limited to this type
Formula, can be closed circle or closing framework, one kind of closed polygon, implementation step is with this example.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (7)
1. a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure, in high hydraulic pressure or more river shield tunnel bolt over strait
The space between shield tunnel joint connecting bolt (2) and duct pieces of shield tunnel (5) is filled at hole, it is characterised in that the waterproof
Structure includes track bolt pad (4) and the elastic packing packing ring (1) of section perforate, and described track bolt pad (4) is close to
The inner side of the nut (3) of joint connecting bolt (2) is arranged on, described elastic packing packing ring (1) is filled in track bolt pad
(4), in the space formed between the bolt hole of the key of joint connecting bolt (2) and duct pieces of shield tunnel (5).
2. a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure according to claim 1, it is characterised in that described
Elastic packing packing ring (1) for closed circular ring-type, closing frame shaped or closed polygon-shaped.
3. a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure according to claim 1, it is characterised in that described
Elastic packing packing ring (1) be ethylene propylene diene rubber elastic packing packing ring.
4. a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure according to claim 1, it is characterised in that described
Joint connecting bolt (2) be straight bolt, curved bolt or oblique bolt.
5. a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure according to claim 1, it is characterised in that described
Duct pieces of shield tunnel (5) be concrete pipe sheet, its at bolt hole be connected with joint connecting bolt (2) be armored concrete
Or pre-buried ironcasting.
6. a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure according to claim 1, it is characterised in that described
Elastic packing packing ring (1) section back (11) semicircular in shape arc-shaped, the side of belly is protruded provided with a ventrad side
Nose (12), opposite side is provided with an afterbody (14), and offers multiple perforates between nose (12) and afterbody (14)
(13) multiple foots (15), are formed between multiple perforates (13), described back (11) is compressed with track bolt pad (4) to be set
Put, the upper surface of described afterbody (14) and multiple foots (15) respectively with duct pieces of shield tunnel (5) is pressed into contact with, described nose
Portion (12) is filled in the space formed between the bolt hole of the key of joint connecting bolt (2) and duct pieces of shield tunnel (5).
7. a kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure according to claim 6, it is characterised in that described
Nose (12) and foot (15) between perforate be arranged on the bolt hole of duct pieces of shield tunnel (5) and the corner of upper surface,
The perforate between perforate and afterbody (14) and foot (15) between described foot (15) is by the upper of duct pieces of shield tunnel (5)
Surface-closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621258586.2U CN206368712U (en) | 2016-11-23 | 2016-11-23 | A kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621258586.2U CN206368712U (en) | 2016-11-23 | 2016-11-23 | A kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure |
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| Publication Number | Publication Date |
|---|---|
| CN206368712U true CN206368712U (en) | 2017-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621258586.2U Active CN206368712U (en) | 2016-11-23 | 2016-11-23 | A kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593488A (en) * | 2016-11-23 | 2017-04-26 | 同济大学 | Waterproof structure for sealing high-water-pressure shield tunnel bolt hole |
| CN111071800A (en) * | 2019-12-06 | 2020-04-28 | 刘月金 | Full-automatic inferior-quality sanitary towel linking pipe conveying and separating powder machine |
| CN111365039A (en) * | 2020-03-25 | 2020-07-03 | 上海同岩土木工程科技股份有限公司 | Tunnel water leakage treatment method |
-
2016
- 2016-11-23 CN CN201621258586.2U patent/CN206368712U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593488A (en) * | 2016-11-23 | 2017-04-26 | 同济大学 | Waterproof structure for sealing high-water-pressure shield tunnel bolt hole |
| CN106593488B (en) * | 2016-11-23 | 2019-07-05 | 同济大学 | A kind of high hydraulic pressure shield tunnel bolt hole hermetic water-proof structure |
| CN111071800A (en) * | 2019-12-06 | 2020-04-28 | 刘月金 | Full-automatic inferior-quality sanitary towel linking pipe conveying and separating powder machine |
| CN111365039A (en) * | 2020-03-25 | 2020-07-03 | 上海同岩土木工程科技股份有限公司 | Tunnel water leakage treatment method |
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