CN108005691A - A kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device - Google Patents
A kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device Download PDFInfo
- Publication number
- CN108005691A CN108005691A CN201711298635.4A CN201711298635A CN108005691A CN 108005691 A CN108005691 A CN 108005691A CN 201711298635 A CN201711298635 A CN 201711298635A CN 108005691 A CN108005691 A CN 108005691A
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- Prior art keywords
- tunnel
- liner
- complex heat
- preservation
- heat
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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.)
- Pending
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- 238000004321 preservation Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 33
- 239000005030 aluminium foil Substances 0.000 claims abstract description 15
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000008397 galvanized steel Substances 0.000 claims abstract description 12
- 239000011701 zinc Substances 0.000 claims abstract description 12
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 8
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000011496 polyurethane foam Substances 0.000 claims description 5
- 239000011493 spray foam Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The embodiment of the present invention provides a kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device, is related to tunnel in cold area lining cutting field of thermal insulation, for being kept the temperature to tunnel in cold area.One of which tunnel-liner complex heat-preservation method includes：S1, galvanized steel wire netting is fixed on tunnel-liner inner surface using expansion bolt；S2, cable tie is online to the zinc-coated wire；S3, in the online fixed temperature sensor of the zinc-coated wire；S4, the working region of the cable is covered with aluminium foil reflecting layer.Above-mentioned tunnel-liner heat preserving method is suitable for tunnel-liner complex heat-preservation device.
Description
Technical field
The present invention relates to tunnel in cold area lining cutting field of thermal insulation, more particularly to a kind of tunnel-liner complex heat-preservation method and its
Complex heat-preservation device.
Background technology
Transportation facilities are built in northern China mountainous region, it is necessary to across various mountainous region gullies, Tunnel Engineering
Vital role is play, undoubtedly becomes prioritizing selection compared to science of bridge building.The application practice of tunnel in cold regions engineering
Show, the Seasonal Freeze-thaw Soils circulation of long-term surrounding ground repeatedly can cause tunnel-liner further damaged cracking, cause rock around
Soil pores water exudation glaciation is attached on lining cutting or road surface, and resulting security risk has greatly threatened vehicle
Current safety, seriously affect the normal use in tunnel.Therefore, it is one in northern Tunnel Engineering that the insulation of tunnel-liner is freeze proof
The problem of must paying attention to.
At present, various countries keep the temperature freeze proof research work in Layers In Cold-area Tunnels lining cutting and are concentrated mainly on two aspect progress：
(1) basic theory Journal of Sex Research works.Particularly directed to tunnel surrounding Freeze-thawing Characteristics, the depth of freezing, tunnel surrounding, mix
Solidifying soil tunnel-liner and the thermal property of heat preserving and insulating material, the structure type design of tunnel-liner, and engineering ground weather,
The influence of the conditions such as the hydrology is studied.
(2) research work of application technology.On the basis of the work of basic theory Journal of Sex Research, the insulation for setting about tunnel is freeze proof
Technical measures, develop the heat preserving and insulating material of durability, study the Rational Thickness of heat insulation layer, set length, setting form
Deng.
The content of the invention
In view of this, the present invention provides a kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device, for cold
Area tunnel is kept the temperature.
In a first aspect, the present invention provides a kind of tunnel-liner complex heat-preservation method, tunnel-liner complex heat-preservation method includes：
S1, galvanized steel wire netting is fixed on tunnel-liner inner surface using expansion bolt；
S2, cable tie is online to the zinc-coated wire；
S3, in the online fixed temperature sensor of the zinc-coated wire；
S4, the working region of the cable is covered with aluminium foil reflecting layer.
Optionally, tunnel-liner complex heat-preservation method further includes after step s4：
S5, the zinc-coated wire after fixation hang the thermal insulation board of aluminum ojosa on the net.
Optionally, tunnel-liner complex heat-preservation method further includes after step s 5：
S6, the polyurethane spray foam sealed insulating layer on the thermal insulation board.
Second aspect, the present invention provide a kind of tunnel-liner complex heat-preservation device, the tunnel-liner complex heat-preservation device
Suitable for above-mentioned tunnel-liner complex heat-preservation method；
It is anti-that the tunnel-liner complex heat-preservation device is followed successively by tunnel-liner, galvanized steel wire netting, cable, aluminium foil from outside to inside
Penetrate layer, aluminum ojosa thermal insulation board and polyurethane foam sealed insulating layer.
Optionally, tunnel-liner complex heat-preservation device further includes country rock, and the country rock is arranged on the outer of the tunnel-liner
Surface.
Any technical solution in above-mentioned technical proposal has the advantages that：
In the present invention, tunnel automatic start electric heating system under harsh climate；It is automatic to close when temperature is raised to a certain extent
Electric heating system is closed, aluminium foil layer, aluminum cellular board and polyurethane foam start to play the role of insulation at this time, therefore tunnel-liner has
There is good thermal and insulating performance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
A kind of flow chart for the tunnel-liner complex heat-preservation method that Fig. 1 is provided by the embodiment of the present invention；
Another flow chart for the tunnel-liner complex heat-preservation method that Fig. 2 is provided by the embodiment of the present invention；
Another flow chart for the tunnel-liner complex heat-preservation method that Fig. 3 is provided by the embodiment of the present invention；
The structure diagram for the tunnel-liner complex heat-preservation device that Fig. 4 is provided by the embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work, belong to the scope of protection of the invention.
The term used in embodiments of the present invention is only merely for the purpose of description specific embodiment, and is not intended to be limiting
The present invention.In the embodiment of the present invention and " one kind " of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other implications.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can represent：Individualism A, while there are A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
It should be noted that the noun of locality such as described " on ", " under " of the embodiment of the present invention, "left", "right" is with attached drawing
Shown angle should not be construed as the restriction to the embodiment of the present invention come what is be described.In addition within a context, it is also necessary to manage
Solution, when mentioning an element and being formed on "above" or "below" another element, it can not only be formed directly into another
A element " on " either " under " can also be indirectly formed by intermediary element another element " on " or " under ".
Before detailed discussion technical scheme, letter is carried out to tunnel-liner involved in the present embodiment
Single to introduce, the tunnel-liner in the present embodiment is secondary lining, exactly sprays coagulation twice on tunnel (country rock) surface got through
Soil, for the concrete of injection than relatively thin, the concrete of second of injection is thicker for the first time, and the concrete of injection is appreciated that for the first time
First tunnel-liner, the concrete of second of injection are appreciated that secondary tunnel-liner.
The present embodiment provides a kind of tunnel-liner complex heat-preservation method, as shown in Figure 1, it is provided by the embodiment of the present invention
Tunnel-liner complex heat-preservation method a kind of flow chart, tunnel-liner complex heat-preservation method includes：
S1, galvanized steel wire netting is fixed on tunnel-liner inner surface using expansion bolt.It is understood that tunnel-liner
Material be concrete, galvanized steel wire netting is fixed in tunnel-liner using expansion bolt, will not be to tunnel-liner (coagulation
Soil) structure impacts.
S2, cable tie is online to zinc-coated wire.Certainly, can be to needing to protect before being kept the temperature to tunnel-liner
Temperature region planned, can be according to set planning, by cable tie to steel wire.Inevitable, one end of cable needs
It is electrically connected to a power source, so after powering on, cable can convert electrical energy into thermal energy, by the transmission of heat, reach pair
The purpose of tunnel-liner insulation.
S3, in the online fixed temperature sensor of zinc-coated wire.The temperature sensor is used for the tunnel-liner surface monitored
Temperature.It is electrically connected in temperature sensor one end of tunnel-liner surface layout in the temperature control box on the outside of tunnel-liner inner surface.
It is understood that the temperature sensor in the present embodiment can have multiple, multiple temperature sensors may be provided at tunnel-liner
To diverse location.The temperature on tunnel-liner surface can be monitored by temperature control box, and the power supply of cable can be controlled as needed.
It should be noted that the cable, temperature sensor and temperature controller can form automatic electric heating system, that is,
Say, in severe cold season or ice box, which can be auto-power on, and converts electrical energy into thermal energy, plays to tunnel-liner
Insulation effect.When temperature raises to a certain extent, which can be automatically closed, exemplary, which can
Automatically power off.While playing insulation effect to lining cutting, electric energy can be effectively saved.
S4, with the working region of aluminium foil reflecting layer covering cable.Aluminium foil reflecting layer has heat-insulated distinguishing feature, Ke Yiyong
In the heat that reduction cable distributes outside.It is understood that the aluminium foil layer needs all to cover the working region of cable.
Cable is set on tunnel-liner surface, after which powers on, then forms heating cable, so as to by electric energy
Thermal energy is converted into, the diffusion of thermal energy can improve the temperature of tunnel-liner.Further, beneficial to aluminium foil reflecting layer to being carried out to cable
Covering, can reduce heating cable to exterior heat diffusion, play good heat insulating effect.
In one embodiment, as shown in Fig. 2, its tunnel-liner complex heat-preservation side for being provided by the embodiment of the present invention
Another flow chart of method, after step s4, the tunnel-liner complex heat-preservation method further include：
S5, zinc-coated wire after fixation hang the thermal insulation board of aluminum ojosa on the net.It is understood that aluminum
The thermal insulation board lighter in weight of ojosa, will not cause pressure to galvanized steel wire netting.In addition, the thermal insulation board of ojosa can be in bee
The air of a large amount of volumes of room inner sealing, so as to reach the purpose of insulation.
In one embodiment, as shown in figure 3, its tunnel-liner complex heat-preservation side for being provided by the embodiment of the present invention
Another flow chart of method, after step s 5, the tunnel-liner complex heat-preservation method further include：
S6, the polyurethane spray foam sealed insulating layer on thermal insulation board.Spray ployurethane foam thermo-insulating layer is sprayed on bee
The outer surface of the thermal insulation board of nest construction, it is ensured that the leakproofness of the thermal insulation board of ojosa, to prevent failure, while further carries
High heat insulation effect.
The present embodiment, on the one hand by electric cable heating, carries out heat supply, on the other hand by cable to tunnel-liner surface
Surface covers the thermal insulation board and polyurethane spray foam sealed insulating layer of aluminium foil reflecting layer and ojosa, to tunnel-liner into
Row heat-insulation and heat-preservation, so that the tunnel-liner surface has the double protection of heat supply and heat insulation layer, the present embodiment is cold
The antifreeze aspect in area tunnel can obtain more obvious protection effect, and applicability is more extensive.
In order to which those skilled in the art are better understood by the technical solution of the present embodiment, above-mentioned tunnel-liner is kept the temperature below
Method is simply introduced：
Specify region to fix galvanized steel wire netting according to designing scheme in tunnel-liner inner surface first, and heating cable is tied up
Prick online in zinc-coated wire；By monitoring requirement at least one temperature sensor of tunnel-liner surface layout, and by conducting wire one end
It is placed in temperature control box pre-installed position；Tunnel-liner surface covering aluminium foil reflecting layer in heating cable working range, then in aluminium
Paper tinsel reflection layer surface is laid with the thermal insulation board of aluminum ojosa, in the thermal insulation board outer surface polyurethane spray foam of ojosa,
Insulating layer is formed, which can make sprayed coating surface processing, it is desirable to substantially smooth；Temperature control box and design position are set, will be pre-
Temperature sensor lead is stayed to be connected into temperature control box, temperature in conveniently regulating and controlling device, and outside is accessed into reserved heating cable termination
Power supply.It is laid with and completes reserved heating cable termination connecting external power supply, heating cable can converts electrical energy into thermal energy, pass through
Heat radiation form passes to tunnel-liner, to reach the heating needed in engineering, heat insulation effect.Polyurethane foam thermal conductivity factor
Low, thermal property is good, is fit closely thermal insulation material, and thermal-insulating freezing-resistant apparatus can be strengthened by being sprayed on aluminum cellular board outer surface
And the cold-check resistance of tunnel lining structure.
The present embodiment provides a kind of tunnel-liner complex heat-preservation device, as shown in figure 4, it is provided by the embodiment of the present invention
Tunnel-liner attemperator schematic diagram, tunnel-liner complex heat-preservation device 100 is suitable for above-mentioned tunnel-liner complex heat-preservation side
Method；Tunnel-liner complex heat-preservation device 100 is followed successively by tunnel-liner 2, galvanized steel wire netting 3, cable 4, temperature sensing from outside to inside
Device 5, aluminium foil reflecting layer 6, the thermal insulation board 7 of aluminum ojosa, polyurethane foam insulation plate 8.
Further, country rock 1 is further included with continued reference to Fig. 4, the tunnel-liner complex heat-preservation device 100, country rock 1 is arranged on
The outer surface of tunnel-liner 2.
Installation process is simply introduced below：
Galvanized steel wire netting 3 is fixed according to presupposed solution, and cable 4 is bound on galvanized steel wire netting 3；Exist by monitoring requirement
Tunnel-liner surface layout temperature sensor 5, and conducting wire one end is placed in temperature control box pre-installed position；In heating cable working range
Interior tunnel-liner surface covering aluminium foil reflecting layer 6, is then laid with the thermal insulation board of aluminum ojosa in aluminium foil reflection layer surface
7, in the 7 outer surface spray ployurethane foam thermo-insulating layer 8 of thermal insulation board of ojosa, which requires substantially smooth.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (5)
- A kind of 1. tunnel-liner complex heat-preservation method, it is characterised in that including：S1, galvanized steel wire netting is fixed on tunnel-liner inner surface using expansion bolt；S2, cable tie is online to the zinc-coated wire；S3, in the online fixed temperature sensor of the zinc-coated wire；S4, the working region of the cable is covered with aluminium foil reflecting layer.
- 2. tunnel-liner complex heat-preservation method according to claim 1, it is characterised in that further include after step s4：S5, the zinc-coated wire after fixation hang the thermal insulation board of aluminum ojosa on the net.
- 3. tunnel-liner complex heat-preservation method according to claim 2, it is characterised in that further include after step s 5：S6, the polyurethane spray foam sealed insulating layer on the thermal insulation board.
- 4. a kind of tunnel-liner complex heat-preservation device, it is characterised in that the tunnel-liner complex heat-preservation device is suitable for above-mentioned Tunnel-liner complex heat-preservation method；The tunnel-liner complex heat-preservation device is followed successively by tunnel-liner, galvanized steel wire netting, cable, aluminium foil reflection from outside to inside Layer, aluminum ojosa thermal insulation board and polyurethane foam sealed insulating layer.
- 5. tunnel-liner complex heat-preservation device according to claim 4, it is characterised in that further include country rock, the country rock It is arranged on the outer surface of the tunnel-liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298635.4A CN108005691A (en) | 2017-12-08 | 2017-12-08 | A kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298635.4A CN108005691A (en) | 2017-12-08 | 2017-12-08 | A kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device |
Publications (1)
| Publication Number | Publication Date |
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| CN108005691A true CN108005691A (en) | 2018-05-08 |
Family
ID=62057606
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711298635.4A Pending CN108005691A (en) | 2017-12-08 | 2017-12-08 | A kind of tunnel-liner complex heat-preservation method and its complex heat-preservation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209449A (en) * | 2018-10-11 | 2019-01-15 | 淮阴工学院 | A kind of cold area's railway tunnel intelligent heat preserving system and its control method |
| CN109882213A (en) * | 2019-04-24 | 2019-06-14 | 吉林大学 | A kind of novel tunnel in cold area anti-freezing and heat-insulating structure and its construction method |
| CN111365040A (en) * | 2020-03-30 | 2020-07-03 | 中铁二院工程集团有限责任公司 | Cold-proof and anti-freezing system for tunnel in alpine region |
| CN113847068A (en) * | 2021-10-22 | 2021-12-28 | 中国建筑第八工程局有限公司 | Tunnel lining self-adaptation intelligence insulation construction |
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| CN206220980U (en) * | 2016-11-17 | 2017-06-06 | 西京学院 | A kind of tunnel in cold regions cold-proof heat insulation structure |
| CN206246127U (en) * | 2016-12-12 | 2017-06-13 | 吉林省交通科学研究所 | A kind of Multifunction anti-freezing and heat-insulating tunnel |
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2017
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|---|---|---|---|---|
| CN202132057U (en) * | 2011-06-08 | 2012-02-01 | 长安大学 | A cold region tunnel electric trace heating active heat preservation anti-freezing facility |
| CN102953738A (en) * | 2012-11-08 | 2013-03-06 | 福州大学 | Method and system for automatical antifreezing and thermal insulating of tunnel lining in high and cold areas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209449A (en) * | 2018-10-11 | 2019-01-15 | 淮阴工学院 | A kind of cold area's railway tunnel intelligent heat preserving system and its control method |
| CN109882213A (en) * | 2019-04-24 | 2019-06-14 | 吉林大学 | A kind of novel tunnel in cold area anti-freezing and heat-insulating structure and its construction method |
| CN111365040A (en) * | 2020-03-30 | 2020-07-03 | 中铁二院工程集团有限责任公司 | Cold-proof and anti-freezing system for tunnel in alpine region |
| CN113847068A (en) * | 2021-10-22 | 2021-12-28 | 中国建筑第八工程局有限公司 | Tunnel lining self-adaptation intelligence insulation construction |
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Application publication date: 20180508 |