CN109024683A - A kind of extremely frigid zones subway station insulation construction - Google Patents
A kind of extremely frigid zones subway station insulation construction Download PDFInfo
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- CN109024683A CN109024683A CN201811026815.1A CN201811026815A CN109024683A CN 109024683 A CN109024683 A CN 109024683A CN 201811026815 A CN201811026815 A CN 201811026815A CN 109024683 A CN109024683 A CN 109024683A
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- 238000009413 insulation Methods 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 32
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000005336 cracking Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000004321 preservation Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 description 8
- 230000008014 freezing Effects 0.000 description 8
- 239000002689 soil Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009746 freeze damage Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004113 Sepiolite Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019355 sepiolite Nutrition 0.000 description 2
- 229910052624 sepiolite Inorganic materials 0.000 description 2
- -1 silicate Compound Chemical class 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- Engineering & Computer Science (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to railway traffic engineering technical fields, more particularly to a kind of extremely frigid zones subway station insulation construction comprising: diaphram wall, waterproof layer, external insulating layer, built-in heat insulation dope layer, station main body side wall, station top body plate, station main body bottom plate, back fill course and temperature control system；Extremely frigid zones subway station of the present invention insulation construction is using alumina silicate thermal insulation coatings as built-in heat insulation dope layer, and water-tolerant, freexing tolerance energy is strong, cracking resistance shock resistance is good, shrinking percentage is low.
Description
Technical field
The present invention relates to railway traffic engineering technical field more particularly to a kind of extremely frigid zones subway station insulation constructions.
Background technique
Since 21 century, China has welcome the unprecedented upsurge in construction of subway, and at the beginning of cut-off 2017, fortune has been opened in inland of China
The city of battalion's rail traffic has 31, amounts to mileage about 4142km.Since China has a vast territory, the distribution of the city of operated subway from
East is to west, and from south to north, the seasonal variety in each area, causes temperature difference locating for metro operation quite big in addition.
For the Northeast, since the low temperature in winter causes Metro Station Structure to generate freezing up, cause durability poor,
To influence the operation of subway.According to data, temperature is lower for root, and frozen soil layer is thicker, and Metro Station Structure concrete is because of leakage
Water freezing expansion forms leakage aquaporin after causing cracking destruction, summer to melt, next winter arrival can aggravate freezing up and cause
The more serious destruction of Metro Station Structure, then bigger percolating water, recycles repeatedly.It just wraps in frozen soil most deep place in China's
The Northeast is included, wherein the soil maximum frozen depth in Harbin reaches the soil maximum frozen depth of 2m or so, Layer in Mohe Region
It has been even more than 3.5m etc..Therefore it is would have to during the design of subway, construction and operation in view of low temperature is for station
Influence.
All the time, China has all been placed on surface structures direction for the research of extremely frigid zones insulation system, for underground
The concern of engineering is few, and there is no study the insulation system of underground engineering entirety.It, can only when facing the cold in winter
By a large amount of heat of installation warm air curtain release or increase the use of air-conditioning, although the interior temperature that can maintain to stand in this way above freezing,
It is done so that there is also certain problems, such as electricity consumption increase, the fire safety problem of warm air curtain etc. that station is runed simultaneously.Cause
This, carrying out insulation system design studies to subway station just seems increasingly important.For above situation, invented it is a kind of high and coldly
The insulation system of area's Metro Station Structure insulation system, the station is made of interior outer heat insulation layer, including outside the main structure of station
The thermal insulation coatings layer of insulating layer and station the body interior setting of setting.The invention can maintain the temperature inside station well
Balance while, the cost of station winter operation can also be reduced, and the fire prevention at enhancing station is horizontal.
Such as Chinese Patent Application No. are as follows: a kind of cold district ventilation passage of metro of the patent disclosure of CN201420064182 is special
Intelligent cold-proof heat insulation system in environment, the system include cold-proof heat insulation door body interconnected, opening and closing device, control device,
Fire-fighting link module.When the effect of the utility model product is using that can reduce winter subway normal operation after the set system and device
The generation of freeze injury in air duct and connected regions.It is computed and it is demonstrated experimentally that works as the leakage of the intelligent cold-proof heat insulation system door body of setting
Air quantity is less than 5%, and door body thermal coefficient is less than 1.5W/ ㎡ K, and door body other technologies performance, which meets in JT/G302-2011, to be wanted
When asking, 5-10 DEG C of air duct internal-external temperature difference can be effectively improved using the set system.For another example Chinese Patent Application No. is
The patent of CN201621190848 discloses the electric intelligent cold-proof heat insulation system in a kind of cold district ventilation passage of metro environment, should
System includes cold-proof heat insulation door body interconnected, opening and closing device, control device, fire-fighting link module.The effect of the utility model
Fruit is the generation using freeze injury in air duct when can reduce winter subway normal operation after the set system and device and connected regions.Through counting
It calculates and it is demonstrated experimentally that the novel system reduces 30% compared with the inleakage of original system door body, comprehensive thermal coefficient reduces by 40%, can
Freeze injury is effectively prevent under bad weather condition of the outside air temperature up to -25 DEG C.Increase deicing device simultaneously and guarantees that equipment exists
Operating reliability under fire condition guarantees the normal operation of subway smoke evacuation system.What both of the aforesaid patent considered is ground iron winds
Road is using cold-proof heat insulation door etc. and its preservation and controlling problem.But above-mentioned related content only only accounts for ventilation passage of metro, not
There is the offering question for considering subway station insulation system.It is convenient for the operation of winter in subway later period, it needs whole from subway
Design builds, operation, safeguards that aspect takes into account heat preservation problem.Design additionally, due to subway main body Structural Engineering uses
Year is limited to 100 years, is unable to freezing up destruction, its durability is caused to be unsatisfactory for.Therefore, the insulation system of Metro Station Structure is carried out
Design just seems increasingly important.
Summary of the invention
The purpose of the present invention is insufficient according to prior art, a kind of extremely frigid zones subway station insulation construction is provided, is prevented
Only subway station is likely encountered low temperature during runing in winter and causes freezing up phenomenon.
Extremely frigid zones subway station insulation construction, comprising: diaphram wall, waterproof layer, external insulating layer, built-in guarantor
Thermo-paint layer, station main body side wall, station top body plate, station main body bottom plate, back fill course；Station main body side wall, station master
Body top plate, station main body bottom plate form station main structure；Station main body side wall, station top body plate, in the main body bottom plate of station
Side is respectively provided with built-in heat insulation dope layer；External insulating layer is equipped on the outside of station main body side wall top half and station top body plate,
Waterproof layer is arranged in station main body side wall, station main body bottom plate, external insulating layer outside；It is continuous that side outermost layer is provided with underground
Back fill course is equipped at the top of wall, waterproof layer and diaphram wall；Extremely frigid zones subway station insulation construction is additionally provided with temperature control
System, comprising: temperature controller, temperature sensor and water circulating apparatus, water circulating apparatus include circuit sequentially connection pre- again
Pipe laying, water pump, water tank；Temperature controller is connect with temperature sensor, water pump respectively；Temperature sensor main body side wall AT STATION
Internal embedding 2 groups, be respectively 10cm with external insulating layer, built-in heat insulation dope layer distance, inside and outside to be staggered；Water circulating apparatus
Built-in pipe portion is arranged 2 groups to main body side within the walls AT STATION, be respectively 160mm with external insulating layer, built-in heat insulation dope layer distance,
It is inside and outside to be staggered；Temperature sensor is arranged alternately with built-in pipe.
Further, the setting depth of external insulating layer than winter temperature lower than zero degree depth of stratum more than 1m.
Further, external insulating layer with a thickness of 15~30mm.
Further, external insulating layer uses hard polyaminoester insulation board.
Further, external insulating layer is gradually reduced from top to bottom in the trapezoidal structure of vertical direction, thickness.
Further, the diameter of built-in pipe is 20mm, spacing 1m.
Further, built-in heat insulation dope layer with a thickness of 3~5mm.
Further, built-in heat insulation dope layer uses alumina silicate thermal insulation coatings, and every square metre of area uses 2.5kg alumina silicate
Compound insulating material powder and 0.5kg water are mixed；Wherein the mass component of aluminum silicate composite heat-insulating material powder is as follows:
18.75% alumina silicate, 2% sepiolite, 37.5% perlite, 25% asbestos wool, 1% high-temperature Resistance Adhesives,
1.55% glass microballoon, 4% porous konilite, 2% penetrant t, 4.2% floating bead, 4% polyvinyl formal
Water.
Further, diaphram wall concrete uses anti-cracking waterproof concrete, and strength grade is not less than C35.
Further, for diaphram wall with a thickness of 640mm, station main body side wall thicknesses are 640mm.
Further, water tank is equipped with heating device.
The beneficial effects of the present invention are:
1. extremely frigid zones subway station of the present invention insulation construction uses two-layer wall, and waterproof layer, external guarantor is arranged
Warm layer, built-in heat insulation dope layer and heat-insulation system, can effective means low temperature cause freezing up phenomenon.
2. extremely frigid zones subway station of the present invention insulation construction makees external insulating layer using hard polyaminoester insulation board,
Stable structure, thermal coefficient are low, heat-proof quality is good, moisture-proof and waterproof, comprehensive cost performance height.
3. extremely frigid zones subway station of the present invention insulation construction is applied using alumina silicate thermal insulation coatings as built-in heat insulation
The bed of material, water-tolerant, freexing tolerance energy is strong, cracking resistance shock resistance is good, shrinking percentage is low.
4. the external insulating layer of extremely frigid zones subway station of the present invention insulation construction is designed to trapezoidal in vertical direction
Structure, reduces thickness from top to bottom, has both kept the temperature while or having reduced material cost.
5. the water circulation system of extremely frigid zones subway station of the present invention insulation construction is carried out using the water of certain temperature
Circulation guarantees the relative constant of station main structure internal temperature, can not only reduce station main structure well due to low temperature
Caused by frost heaving, and at low cost, high efficiency.
Detailed description of the invention
Fig. 1 is extremely frigid zones subway station insulation construction the schematic diagram of the section structure of the present invention；
Fig. 2 is insulation construction cross-section structure partial enlargement diagram in extremely frigid zones subway station of the present invention；
Fig. 3 is the temperature control system schematic diagram of extremely frigid zones subway station of the present invention insulation construction.
In figure: 1- diaphram wall, 2- waterproof layer, the external insulating layer of 3-, 4- built-in heat insulation dope layer, the station 5- main body side
Wall, the station 6- top body plate, the station 7- main body bottom plate, 8- back fill course, 9- temperature sensor, 10- built-in pipe.
Specific embodiment
With reference to the accompanying drawings of the specification and technical solution of the present invention is described in detail in specific embodiment.
As shown in Figure 1, extremely frigid zones subway station insulation construction, comprising: diaphram wall 1, waterproof layer 2, external
Insulating layer 3, built-in heat insulation dope layer 4, station main body side wall 5, station top body plate 6, station main body bottom plate 7, back fill course 8,
Temperature sensor 9, built-in pipe 10；Station main body side wall 5, station top body plate 6, station main body bottom plate 7 form station main body knot
Structure；Station main body side wall 5, station top body plate 6 are respectively provided with built-in heat insulation dope layer 4 on the inside of station main body bottom plate 7；Station master
External insulating layer 3, station main body side wall 5, station main body bottom plate are equipped on the outside of 5 top half of side wall and station top body plate 6
6, waterproof layer 2 is set on the outside of external insulating layer 3；Side outermost layer is provided with diaphram wall 1, waterproof layer 2 and diaphram wall 1
Top is equipped with back fill course 8；Extremely frigid zones subway station insulation construction is additionally provided with temperature control system, comprising: temperature controller
(not shown), temperature sensor 9 and water circulating apparatus, water circulating apparatus include again the built-in pipe 10 for circuiting sequentially connection,
Water pump (not shown), water tank (not shown)；Temperature controller is connect with temperature sensor 9, water pump respectively；Temperature
Embedding 2 groups of the inside of main body side wall 5 AT STATION of sensor 9, with external insulating layer 3, built-in heat insulation dope layer 4 apart from being respectively
10cm, it is inside and outside to be staggered；The built-in pipe 10 of water circulating apparatus is arranged 2 groups inside main body side wall 5 AT STATION, with external insulating layer
3, built-in heat insulation dope layer 4 is inside and outside to be staggered apart from respectively 160mm；Temperature sensor 9 is arranged alternately with built-in pipe 10.
Further, the setting depth of external insulating layer 3 than winter temperature lower than zero degree depth of stratum more than 1m.
Further, external insulating layer 3 with a thickness of 15~30mm.
Further, external insulating layer 3 uses hard polyaminoester insulation board.
Further, external insulating layer is gradually reduced from top to bottom in the trapezoidal structure of vertical direction, thickness.
Further, the diameter of built-in pipe is 20mm, spacing 1m.
Further, built-in heat insulation dope layer 4 with a thickness of 3~5mm.
Further, built-in heat insulation dope layer 4 uses alumina silicate thermal insulation coatings, and every square metre of area uses 2.5kg silicic acid
Aluminium compound insulating material powder and 0.5kg water are mixed；Wherein the mass component of aluminum silicate composite heat-insulating material powder is as follows:
| Raw material | Formula |
| Alumina silicate | 18.75% |
| Sepiolite | 2% |
| Perlite | 37.5% |
| Asbestos wool | 25% |
| High-temperature Resistance Adhesives | 1% |
| Glass microballoon | 1.55% |
| Porous konilite | 4% |
| Penetrant t | 2% |
| Floating bead | 4.2% |
| Polyvinyl formal water | 4% |
Further, 1 concrete of diaphram wall uses anti-cracking waterproof concrete, and strength grade is not less than C35.
Further, for diaphram wall with a thickness of 640mm, station main body side wall thicknesses are 640mm.,
Further, water tank be equipped with heating device, can in 10 minutes by water temperature heating to 30 DEG C.
Diaphram wall 1 and waterproof layer 2 prevent the intrusion of underground water, and external insulating layer 3, built-in heat insulation dope layer 4 play
Heat-blocking action prevents low temperature from passing to main structure, to prevent that underground water from entering main structure and freezing up destroys, effectively mentions
The high durability of main structure, extends the service life of subway station.When temperature sensor detects temperature lower than 0 DEG C
When, temperature controller controls water pump starting, heats up to built-in pipe water delivery；When temperature sensor detects that temperature is higher than 10 DEG C,
Temperature controller, which controls water pump, to be stopped, and realizes the balance of the extremely frigid zones subway station insulation construction internal temperature.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (10)
1. a kind of extremely frigid zones subway station insulation construction characterized by comprising diaphram wall, waterproof layer, external heat preservation
Layer, built-in heat insulation dope layer, station main body side wall, station top body plate, station main body bottom plate, back fill course；Station main body side
Wall, station top body plate, station main body bottom plate form station main structure；Station main body side wall, station top body plate, station master
Built-in heat insulation dope layer is respectively provided on the inside of body bottom plate；It is equipped on the outside of station main body side wall top half and station top body plate external
Waterproof layer is arranged in insulating layer, station main body side wall, station main body bottom plate, external insulating layer outside；Side outermost layer is provided with ground
Back fill course is equipped at the top of lower diaphragm wall, waterproof layer and diaphram wall；Extremely frigid zones subway station insulation construction is also set
There is temperature control system, comprising: temperature controller, temperature sensor and water circulating apparatus, water circulating apparatus include the company of circuiting sequentially again
Built-in pipe, water pump, the water tank connect；Temperature controller is connect with temperature sensor, water pump respectively；Temperature sensor is led AT STATION
Side embedding 2 groups of portion within the walls are respectively 10cm with external insulating layer, built-in heat insulation dope layer distance, inside and outside to be staggered；Water follows
Portion is arranged 2 groups to main body side to the built-in pipe of ring apparatus within the walls AT STATION, is respectively with external insulating layer, built-in heat insulation dope layer distance
160mm, it is inside and outside to be staggered；Temperature sensor is arranged alternately with built-in pipe.
2. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the external heat preservation
Layer setting depth than winter temperature be lower than zero degree depth of stratum more than 1m.
3. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the external heat preservation
Layer with a thickness of 15~30mm, the built-in heat insulation dope layer with a thickness of 3~5mm.
4. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the external heat preservation
Layer uses hard polyaminoester insulation board.
5. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the external heat preservation
In the trapezoidal structure of vertical direction, thickness is gradually reduced layer from top to bottom.
6. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the built-in pipe
Diameter is 20mm, spacing 1m.
7. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the built-in heat insulation
Dope layer uses alumina silicate thermal insulation coatings, and every square metre of area uses 2.5kg aluminum silicate composite heat-insulating material powder and 0.5kg water
It is mixed；Wherein the mass component of aluminum silicate composite heat-insulating material powder is as follows: 18.75% alumina silicate, 2% Hai Pao
Stone, 37.5% perlite, 25% asbestos wool, 1% high-temperature Resistance Adhesives, 1.55% glass microballoon, 4% periporate
Quartz, 2% penetrant t, 4.2% floating bead, 4% polyvinyl formal water.
8. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the underground is continuous
Wall concrete uses anti-cracking waterproof concrete, and strength grade is not less than C35.
9. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the underground is continuous
Wall thickness is 640mm, and station main body side wall thicknesses are 640mm.
10. a kind of extremely frigid zones subway station insulation construction according to claim 1, which is characterized in that the water tank
Equipped with heating device.
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| CN201811026815.1A CN109024683A (en) | 2018-09-04 | 2018-09-04 | A kind of extremely frigid zones subway station insulation construction |
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| CN201811026815.1A CN109024683A (en) | 2018-09-04 | 2018-09-04 | A kind of extremely frigid zones subway station insulation construction |
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