CN105863685B - Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate - Google Patents

Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate Download PDF

Info

Publication number
CN105863685B
CN105863685B CN201610408043.2A CN201610408043A CN105863685B CN 105863685 B CN105863685 B CN 105863685B CN 201610408043 A CN201610408043 A CN 201610408043A CN 105863685 B CN105863685 B CN 105863685B
Authority
CN
China
Prior art keywords
tunnel
lining
phase
region
temperature
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.)
Active
Application number
CN201610408043.2A
Other languages
Chinese (zh)
Other versions
CN105863685A (en
Inventor
张国柱
高源�
刘松玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201610408043.2A priority Critical patent/CN105863685B/en
Publication of CN105863685A publication Critical patent/CN105863685A/en
Application granted granted Critical
Publication of CN105863685B publication Critical patent/CN105863685B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18Special adaptations of signalling or alarm devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires

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 discloses a kind of tunnel anti-freezing and heat-insulating structure and construction method based on phase-changing and temperature-regulating plate, including the tunnel laid successively outer from outside to inside in tunnel wall just lining, splash guard, tunnel double-lining and fire-proof plate, contain porous lightweight aggregate in the concrete of the tunnel double-lining, heater is folded between tunnel double-lining and splash guard;Contain phase transformation capsule in the fire-proof plate.Porous lightweight aggregate, phase-change material and active heat supply process are combined by the present invention, are solved the problems, such as to melt lower jelly on tunnel surrounding underground water, have thoroughly been eradicated freezing damage in tunnel;Using the effect of the energy-saving and temperature-regulating of phase-change material and the heat-insulating property of porous lightweight aggregate, save and purchase and operating cost;And porous lightweight aggregate, phase-change material are directly incorporated into concrete, without increasing tunnel excavation radius, construction cost is saved.

Description

Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate
Technical field
The present invention relates to a kind of insulation construction of tunnel in cold area, and in particular to a kind of tunnel based on phase-changing and temperature-regulating plate is antifreeze Insulation construction and construction method.
Background technology
In the prior art, to prevent tunnel in cold area freeze injury, certain thickness heat-insulation layer can be laid in tunnel double-lining inner surface, protected Warm thickness degree is relevant with temperature in hole and tunnel surrounding ground temperature, generally takes 4~8cm.But found in engineer applied, it is existing Heat-insulation layer there is it is following the shortcomings that with deficiency:
1. insulation material cost is high, considerably increase the construction cost in tunnel, the polyurethane heat insulation material thick using 5cm as Example, it is about 300 yuan per square meter cost, longitudinal direction is about 6000 yuan per linear meter(lin.m.);
2. military service performance declines year by year, in hole in wet environment, Tunnel Water Leakage and hole temperature repeatedly change effect under, The thermal insulation of insulation material is deteriorated year by year, until failure, it is necessary to overhaul year by year, replacing is frequent;
3. temperature and country rock ground temperature have differences over time and space in Tunnel, polyurethane insulation coating is protected as solid Adiabator, it can not meet that the tunnel-liner behind country rock at same section different height freezes and melted synchronism.Melt the phase in the spring, Tunnel top country rock first melts, and melts at arch springing after country rock, causes the underground water of tunnel-liner behind can not be drained into longitudinal direction In gutter, tunnel-liner surface seep is easily caused, hang ice and the disease such as icy on road;In freezing period, tunnel bottom country rock First freeze, freeze after the country rock of top, the underground water of tunnel upper can not be discharged into longitudinal drainage ditch, equally cause tunnel-liner table Face seepage, hang ice and the disease such as icy on road;
4. spreading polyurethane heat insulation material takes tunnel space, in order to meet clearance of tunnel requirement, it is necessary to expand tunnel Road country rock excavates size, causes engineering-built cost to increase and extends the duration, and unfavorable to Analyses of Tunnel Wall Rock Stability.
The content of the invention
Goal of the invention:In order to overcome the deficiencies in the prior art, the present invention provides a kind of based on phase-changing and temperature-regulating plate Tunnel anti-freezing and heat-insulating structure and construction method.
Technical scheme:In order to solve the above technical problems, the tunnel anti-freezing and heat-insulating provided by the invention based on phase-changing and temperature-regulating plate Lining, splash guard, tunnel double-lining and fire-proof plate at the beginning of the tunnel laid successively outside from outside to inside in structure, including tunnel wall, the tunnel Contain porous lightweight aggregate in the concrete that road two serves as a contrast, heater is folded between tunnel double-lining and splash guard;The fire prevention Contain phase transformation capsule in plate.
Preferably, the concrete of the tunnel double-lining is made up of on ring multiple regions, two linings of adjacent area are mixed The hot physical property for coagulating soil differs;Positioned at top area two serve as a contrast concrete porous lightweight aggregate content highests, from top area to The content of arch springing region lightweight aggregate reduces successively.
Preferably, phase transformation capsule phase transition temperature is not higher than -3 DEG C in the fire-proof plate of crown area, haunch region, abutment wall area The phase transition temperature of phase transformation capsule in the fire-proof plate in domain and arch springing region is not less than 5 DEG C.
Preferably, pre-buried plastic tube in the tunnel double-lining concrete in each domain, in the pre-buried plastics in tunnel axis direction Pipe is in horizontal single U-shaped arrangement, and heating plant is equipped with plastic tube.
Preferably, mounting temperature sensor between the tunnel double-lining and splash guard in each region, for detecting underground water Temperature, the unlatching opportunity of intelligent control heating plant and run time.
The construction method of the structure is as follows:
Lining, splash guard, tunnel double-lining and fire-proof plate at the beginning of laying tunnel successively in constructing tunnel, the tunnel double-lining mix Contain porous lightweight aggregate in solidifying soil, heater is laid between tunnel double-lining and splash guard;
Wherein, tunnel double-lining concrete is made up of on ring multiple regions, the tunnel double-lining concrete of adjacent area Hot physical property differs;Positioned at the tunnel double-lining concrete porous lightweight aggregate content highest of top area, from top area to arch The content of pin region lightweight aggregate reduces successively;
The phase transformation capsule that phase transition temperature is not higher than -3 DEG C, haunch region, abutment wall are added in the fire-proof plate of tunnel vault region The phase transformation capsule that phase transition temperature is not less than 5 DEG C is added in the fire-proof plate in region and arch springing region;
The pre-buried plastic tube in the tunnel double-lining concrete in each region, in tunnel axis direction, pre-buried plastic tube is in water Flat single U-shaped arrangement, the interior laying heating plant of plastic tube;
The mounting temperature sensor between the tunnel double-lining and splash guard in each region, the temperature of underground water is detected, intelligence Control unlatching opportunity and the run time of heating plant;
The operation method of the structure is as follows:
Entering period in winter, 0 DEG C of the monitoring temperature between tunnel double-lining and splash guard is Con trolling index, from arch springing to haunch Heater is opened in region successively, after the underground water of crown area all freezes, closes the heating plant in haunch region;Wait to encircle After the underground water of waist region all freezes, close the heating plant in arch springing region, finally realize full section of tunnel from top to bottom according to It is secondary to freeze, form the natural sealing barrier of closing;
Melt period in the spring, first heating tunnel's arch springing region, then realize that tunneling boring melts from bottom to up successively.
Inventive principle:
Phase-change material has the ability for changing its physical state in certain temperature range.By taking solid-liquid phase change as an example, adding When heat arrives fusion temperature, the phase transformation from solid-state to liquid is just produced, during fusing, phase-change material absorbs and stored substantial amounts of Latent heat;When phase-change material cools down, the heat of storage will be dispersed into environment within the scope of certain temperature, carried out from liquid To the reverse transformation of solid-state.In both phase transition process, stored or release energy is referred to as latent heat of phase change.Physical state occurs During change, the temperature of material itself almost remains unchanged before phase transformation completion, a wide temperature platform is formed, although temperature is not Become, but the latent heat for absorbing or discharging is quite big.
Accumulation of energy and temperature adjustment function using phase-change material, the antifreezing heat insulation in tunnel is realized with reference to active heating technique.By tunnel The lining of road two is divided into multiple regions, and porous lightweight aggregate is added in each region, and installs heater, is added in fire-proof plate Phase-change material.The heat-insulating property of tunnel lining structure can be improved by adding porous lightweight aggregate, solved and melted phase hole into teletostage and spring Tunnel surrounding underground water multigelation problem caused by the interior positive and negative thermoperiod fluctuation of temperature;Joined using phase-change material and heater Heat accumulation heat supply is closed, solves the problems, such as to freeze under tunnel surrounding underground water by the temperature in each region of active control and melts.When entering the winter Phase, after subzero temperature occurs in the monitoring temperature between two linings and splash guard, heating plant is opened successively from arch springing to haunch region, is treated After the underground water of crown area all freezes, the heating plant in arch springing region is closed, finally realizes full section of tunnel from top to bottom Freeze successively, form the natural sealing barrier of closing.Melt the phase in the spring, the two lining concrete light aggregates in arch springing region are minimum, heat conduction Property is best, and crown area heat insulating ability is best.The country rock underground water in arch springing region melts at first, and subsequent abutment wall to vault melts successively Change, realize and melt under the freezing of tunnel surrounding underground water.
Beneficial effect:Porous lightweight aggregate, phase-change material and active heat supply process are combined by the present invention, are solved tunnel and are enclosed The problem of melting lower jelly on rock underground water, has thoroughly eradicated freezing damage in tunnel.
Using heat caused by phase-change material storage heater, energy-saving and temperature-regulating can be played a part of, save running cost With extending the service life of heater.
Its heat-insulating property is improved by filling porous lightweight aggregate in tunnel lining structure, alternative traditional polyurethane is protected Adiabator, save material acquisition expenses.Porous lightweight aggregate is directly incorporated into concrete, without increasing tunnel excavation radius, section Construction cost is saved.
Except the technical problem of invention described above solution, form the technical characteristic of technical scheme and by these skills Caused by the technical characteristic of art scheme outside advantage, tunnel anti-freezing and heat-insulating structure and construction of the invention based on phase-changing and temperature-regulating plate What the other technical characteristics and these technical characteristics included in other technologies problem that method can solve, technical scheme were brought Advantage, it will be described in more detail with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the sectional drawing of the tunnel anti-freezing and heat-insulating structure based on phase-changing and temperature-regulating plate of the embodiment of the present invention;
Fig. 2 is the expanded view that tunnel electric heating wire is arranged in Fig. 1;
In figure:Lining 1 at the beginning of tunnel, splash guard 2, tunnel double-lining 3, fire-proof plate 4, plastic tube 5, temperature sensor 6, lightweight aggregate 7, First phase transformation capsule 8, the second phase transformation capsule 9.
Embodiment
Embodiment:
The tunnel anti-freezing and heat-insulating structure based on phase-changing and temperature-regulating plate of this implementation as shown in figure 1, including tunnel from inside to outside according to Fire-proof plate 4, tunnel double-lining 3, splash guard 2 and the tunnel of secondary laying just serve as a contrast 1, containing porous wherein in the concrete of tunnel double-lining 3 Lightweight aggregate 7, the heater of plastic tube 5 is folded between tunnel double-lining 3 and splash guard 2;4 contain the first phase transformation capsule in fire-proof plate 8 and the second phase transformation capsule 9, porous lightweight aggregate 7 be to be directly incorporated into construction in corresponding concrete, the He of the first phase transformation capsule 8 Second phase transformation capsule 9 is directly incorporated into fire-proof plate.
Tunnel double-lining 3 is made up of on ring multiple regions, such as five regions of I, II, III, IV, V, adjacent area in figure The hot physical property of tunnel double-lining 3 differ;Porous lightweight aggregate 7 contains in the concrete of the tunnel double-lining 3 of top area Highest is measured, the content from top area to arch springing region lightweight aggregate 7 reduces successively;First phase transformation capsule 8 adds to encircle in tunnel In the concrete for pushing up region fire-proof plate 4, phase transition temperature is not higher than -3 DEG C.Second phase transformation capsule 9 is added in haunch region, abutment wall area In the fire-proof plate 4 in domain and arch springing region, phase transition temperature is not less than 5 DEG C.Temperature sensor 6 is arranged in the tunnel in each region Between two linings 3 and splash guard 2, for detecting the temperature of underground water, the unlatching opportunity of intelligent control heating plant and run time.
Heating plant is equipped with plastic tube 5, its system of laying is as shown in Fig. 2 be embedded in the two lining coagulations in each region In soil, in tunnel axis direction in horizontal single U-shaped arrangement.
In use, entering period in winter, 0 DEG C of the monitoring temperature between two linings and splash guard for Con trolling index, from arch springing to Heater is opened in haunch region successively, after the underground water of crown area all freezes, closes the heating plant in haunch region; After the underground water in haunch region all freezes, the heating plant in arch springing region is closed, finally realizes full section of tunnel by up to Under freeze successively, form the natural sealing barrier of closing.Melt period in the spring, first heating tunnel's arch springing region, then successively under It is supreme to realize that tunneling boring melts.
During implementation, points for attention are as follows:
1. selecting suitable composite phase-change material, prepared according to the needs of different phase transition temperatures mixed with variety classes phase transformation material The concrete of material and the porous lightweight aggregate of different content;
2. the reasonable pre-buried plastic tube between splash guard and two linings, it is ensured that electric heating wire can be with relatively simple replacing in pipe And inspection.
3. reasonable Arrangement temperature sensor, timely intelligent temperature is carried out to electric heating wire and is controlled, improves tunnel frost damage prevention Efficiency and the energy utilization rate.
4. ensure the safety and stability in tunnel.
Embodiments of the present invention are described in detail above in association with accompanying drawing, but the present invention is not limited to described reality Apply mode.For one of ordinary skill in the art, in the range of the principle of the present invention and technological thought, to these implementations Mode carries out a variety of changes, modification, replacement and deformation and still fallen within protection scope of the present invention.

Claims (5)

1. a kind of tunnel anti-freezing and heat-insulating structure based on phase-changing and temperature-regulating plate, including the outer tunnel laid successively from outside to inside in tunnel wall Road just lining, splash guard, tunnel double-lining and fire-proof plate, contain porous lightweight aggregate in the concrete of the tunnel double-lining, in tunnel two Heater is folded between lining and splash guard;Contain phase transformation capsule in the fire-proof plate;
The concrete of the tunnel double-lining is made up of on ring multiple regions, and the hot physical property of two lining concrete of adjacent area is equal Differ;Two positioned at top area serve as a contrast concrete porous lightweight aggregate content highest, from top area to arch springing region lightweight aggregate Content reduce successively, it is characterised in that:
Phase transformation capsule phase transition temperature is not higher than -3 DEG C in the fire-proof plate of crown area, haunch region, abutment wall region and arch springing region Fire-proof plate in phase transformation capsule phase transition temperature be not less than 5 DEG C.
2. the tunnel anti-freezing and heat-insulating structure according to claim 1 based on phase-changing and temperature-regulating plate, it is characterised in that:Each domain Pre-buried plastic tube in tunnel double-lining concrete, in tunnel axis direction, pre-buried plastic tube is in horizontal single U-shaped arrangement, in plastic tube It is equipped with heating plant.
3. the tunnel anti-freezing and heat-insulating structure according to claim 2 based on phase-changing and temperature-regulating plate, it is characterised in that:Each region Tunnel double-lining and splash guard between mounting temperature sensor, for detecting the temperature of underground water, intelligent control heating plant Unlatching opportunity and run time.
4. the construction method of the tunnel anti-freezing and heat-insulating structure according to claim 1 based on phase-changing and temperature-regulating plate, its feature exist In:
Lining, splash guard, tunnel double-lining and fire-proof plate at the beginning of laying tunnel successively in constructing tunnel, the concrete of the tunnel double-lining In contain porous lightweight aggregate, heater is laid between tunnel double-lining and splash guard;
Wherein, tunnel double-lining concrete is made up of on ring multiple regions, the hot thing of the tunnel double-lining concrete of adjacent area Property differs;Positioned at the tunnel double-lining concrete porous lightweight aggregate content highest of top area, from top area to arch springing area The content of domain lightweight aggregate reduces successively;
The phase transformation capsule that phase transition temperature is not higher than -3 DEG C, haunch region, abutment wall region are added in the fire-proof plate of tunnel vault region It is not less than 5 DEG C of phase transformation capsule with addition phase transition temperature in the fire-proof plate in arch springing region;
The pre-buried plastic tube in the tunnel double-lining concrete in each region, in tunnel axis direction, pre-buried plastic tube is in horizontal single U-shaped arrangement, the interior laying heating plant of plastic tube;
The mounting temperature sensor between the tunnel double-lining and splash guard in each region, detect the temperature of underground water, intelligent control The unlatching opportunity of heating plant and run time.
5. the operation method of the tunnel anti-freezing and heat-insulating structure according to claim 1 based on phase-changing and temperature-regulating plate, its feature exist In:
Entering period in winter, 0 DEG C of the monitoring temperature between tunnel double-lining and splash guard is Con trolling index, from arch springing to haunch region Heater is opened successively, after the underground water of crown area all freezes, closes the heating plant in haunch region;Treat haunch area After the underground water in domain all freezes, the heating plant in arch springing region is closed, finally realizes that full section of tunnel is from top to bottom frozen successively Knot, form the natural sealing barrier of closing;
Melt period in the spring, first heating tunnel's arch springing region, then realize that tunneling boring melts from bottom to up successively.
CN201610408043.2A 2016-06-12 2016-06-12 Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate Active CN105863685B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610408043.2A CN105863685B (en) 2016-06-12 2016-06-12 Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610408043.2A CN105863685B (en) 2016-06-12 2016-06-12 Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate

Publications (2)

Publication Number Publication Date
CN105863685A CN105863685A (en) 2016-08-17
CN105863685B true CN105863685B (en) 2017-11-28

Family

ID=56649296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610408043.2A Active CN105863685B (en) 2016-06-12 2016-06-12 Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate

Country Status (1)

Country Link
CN (1) CN105863685B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112627889B (en) * 2020-12-21 2023-01-20 中铁二院工程集团有限责任公司 High-cold long and large railway tunnel anti-freezing structure and method utilizing surrounding rock underground water heat energy
CN114704326A (en) * 2022-05-06 2022-07-05 哈尔滨工业大学 High and cold district tunnel drain bar with phase transition is from energy storage and temperature adjustment is frostproofing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103835725A (en) * 2014-03-05 2014-06-04 东南大学 Antifreezing and insulating tunnel in cold region
CN104775833A (en) * 2015-04-07 2015-07-15 山西省交通科学研究院 Cold region tunnel anti-freezing insulation system and anti-freezing insulation construction method
CN204920992U (en) * 2015-09-16 2015-12-30 长安大学 Frostproofing structure of han qu tunnel design phase change material heat preservation
CN105587325A (en) * 2014-10-22 2016-05-18 广东工业大学 Tunnel anti-icing composite plate based on phase-change material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5097634B2 (en) * 2008-07-17 2012-12-12 株式会社ケー・エフ・シー Tunnel waterproof structure and its construction method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103835725A (en) * 2014-03-05 2014-06-04 东南大学 Antifreezing and insulating tunnel in cold region
CN105587325A (en) * 2014-10-22 2016-05-18 广东工业大学 Tunnel anti-icing composite plate based on phase-change material
CN104775833A (en) * 2015-04-07 2015-07-15 山西省交通科学研究院 Cold region tunnel anti-freezing insulation system and anti-freezing insulation construction method
CN204920992U (en) * 2015-09-16 2015-12-30 长安大学 Frostproofing structure of han qu tunnel design phase change material heat preservation

Also Published As

Publication number Publication date
CN105863685A (en) 2016-08-17

Similar Documents

Publication Publication Date Title
CN106089263B (en) Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating gunite concrete
CN103835725B (en) Anti-freezing and heat-insulating tunnel, a kind of cold district
CN105863685B (en) Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating plate
CN104153269B (en) Ever-frozen ground guard method under a kind of wide cut road structure leading resistance combination
CN108952806B (en) Tunnel drainage anti-freezing integrated system in severe cold region
CN107245923A (en) A kind of intelligent bridge floor deicing or snow melting system of utilization shallow layer geothermal energy
CN204357454U (en) Tunnel in cold area frost damage prevention system
CN108316081A (en) A kind of temperature and humidity control system for frozen ground regions road structure
CN111287084B (en) Intelligent anti-freezing bridge deck structure and construction method
CN102322276A (en) Tunneling engineering freeze-proofing structure in seasonally frozen ground region
CN204417944U (en) A kind of block stone layer+air chimney wide cut road structure
CN106089264B (en) Tunnel anti-freezing and heat-insulating structure and construction and operation method based on phase-changing and temperature-regulating concrete
CN110295626B (en) Anti-freezing device of water supply and drainage pipeline and construction method thereof
CN209100089U (en) High and cold tunnel in cold regions water-drainage antifreezing integrated system
KR101144890B1 (en) Freeze protection of fire extinuishing lines in tunnel and anti-icing of road surface using underground heat storage
CN206428553U (en) A kind of highway pavement Anti-freezing structure
CN117703432A (en) Tunnel heat injury and freeze injury treatment system
CN104988830A (en) Pavement deicing system for bridges with box-type cross section
CN117027064B (en) Temperature-control, seepage-prevention and energy-saving garbage underground landfill station structure suitable for frozen soil area
CN208219327U (en) A kind of temperature and humidity control system for frozen ground regions road structure
CN201232149Y (en) Traffic road bed structure for cold area
CN203657582U (en) PHC tubular pile phase-change energy storage system
CN202250107U (en) Tunnel engineering anti-freezing structure in seasonally frozen soil area
CN113339873B (en) Novel cold-proof and anti-freezing system and method for cold-region high-ground-temperature tunnel
CN107201700A (en) Clip automatic control ventilation pipe foundation between one kind ventilation plumber block stone

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant