CN110029677A - Ever-frozen ground side slope sunshade refrigeration anchor structure and construction method - Google Patents
Ever-frozen ground side slope sunshade refrigeration anchor structure and construction method Download PDFInfo
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- CN110029677A CN110029677A CN201910300310.8A CN201910300310A CN110029677A CN 110029677 A CN110029677 A CN 110029677A CN 201910300310 A CN201910300310 A CN 201910300310A CN 110029677 A CN110029677 A CN 110029677A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 239000002689 soil Substances 0.000 claims abstract description 32
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- 210000005239 tubule Anatomy 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 235000012149 noodles Nutrition 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims abstract description 8
- 239000004065 semiconductor Substances 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 206010058109 Hangnail Diseases 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 230000003628 erosive effect Effects 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 6
- 230000001932 seasonal effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000013459 approach Methods 0.000 abstract 1
- 230000007850 degeneration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000010257 thawing Methods 0.000 description 4
- 238000009963 fulling Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Photovoltaic Devices (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The present invention provides a kind of ever-frozen ground side slope sunshade refrigeration anchor structure and its construction method, and the structure is by anchor system and refrigeration system；Anchor system includes frame, hollow anchor tube, anchorage and backing plate；Hollow anchor tube, which is connected by extra heavy pipe with tubule, to be formed, and anchor tube front end is anchored on frame by anchorage and backing plate, and anchor tube rear end is anchored in the soil body by slurry.Refrigeration system includes solar panel, cooling piece, voltage controller, temperature sensor, temperature detect switch (TDS) and Unpowered ventilation device；Solar panel is fixed on frame, and cooling piece is placed in extra heavy pipe and huyashi-chuuka (cold chinese-style noodles) is close to tube wall, and Unpowered ventilation device is placed on extra heavy pipe front end；Temperature detect switch (TDS) controls the work and disconnection of cooling piece, when soil temperature is higher than switch work inversion temperature, closes the switch cooling piece and absorbs heat, reduce surrounding soil temperature；The configuration of the present invention is simple, strong operability have good cooling, anchoring and long service performance, provide a kind of new approaches to solve loss of stability of side slope because of freeze and melt and upper limit degeneration.
Description
Technical field
The invention belongs to Permafrost Area anchoring engineering technical fields, and in particular to a kind of ever-frozen ground side slope sunshade system
Cold anchor structure and construction method.
Background technique
Frozen soil be specific climatic province ground vapour energy exchange gradually form Special Rock body, usually contain ground ice, property
Great changes will take place with the change of temperature and each phase water for matter, has significant dependence and thermal instability to temperature.With
Permafrost Area construction scale of projects constantly expands, and a large amount of new side slopes will occurs.In human engineering construction and global warming
Collective effect under, original relative energy balance state is destroyed in frozen soil, exacerbate frozen soil heating or melt, for many years freeze
The native upper limit constantly degenerates or even gradually withers away, and frozen soil strength reduces, and slope stability reduces, and then causes a large amount of frozen soil side slopes
Freeze-thaw and sliding disaster occurs, causes road damage, bridges and culverts closure etc., seriously affects traffic engineering normal operation.Slope hazard pair
The cold area mankind and engineering normal operation threat are increasing, and it is very urgent that side slope heat melts Unstability Prevention.
The discovery of the engineering experiences such as road, the pipeline built according to Permafrost Area, traditional is simple strong by reinforcement structure
Degree improves the passively engineering measures such as thermal resistance, it is difficult to resist the disaster that external condition changes and induces, also be unable to ensure frozen soil
The long-time stability of area's engineering structure.There has been proposed using protection of permafrost as the engineering construction theory of principle, frozen soil engineering
Mentality of designing " is actively cooled down " by " passive protection " steering.However traditional side slope supporting file belongs to passive measure, not can solve jelly
The frozen soil side slope upper limit caused by slump and climate warming caused by the special season frost heave of native side slope, thaw collapse effect is moved back
Change, and Plateau Permafrost Areas is relatively remote, infrastructure operation is powered, and difficulty is big, and electric power energy is in short supply, and Refrigeration Technique application is tired
It is difficult.Therefore, from the theory of active protection of permafrost, seek a kind of efficient, practical frozen soil side slope branch mark structure, solve to freeze
Melt landslide to be a problem to be solved.
Summary of the invention
The purpose of the present invention is being directed to the thaw slumping of ever-frozen ground side slope season freeze thawing induction, the upper limit is degenerated and existing
Anchorage technology resists the bad problem of freeze thawing effect, provides a kind of with power generation, sunshade, actively cooling, anchoring and environmental protection and energy saving
Frozen soil side slope sunshade refrigeration anchor structure and construction method.
An object of the present invention is to provide a kind of sunshade refrigeration anchor structure, comprising: anchor system and refrigeration system；
The anchor system includes frame, hollow anchor tube, anchorage and backing plate；Frame is made of crossbeam and column, middle spare anchor
Across the crossover location of crossbeam and column, hollow anchor tube is anchored on frame pipe by anchorage and backing plate.
The hollow anchor tube, which is connected by extra heavy pipe with tubule, to be formed；Extra heavy pipe is open at one end, other end closing and center opening,
Open end is equipped with external screw thread, is provided with several slurry outlets and hangnail on the tube wall of tubule, one end spout part is cased with sleeve valve；Extra heavy pipe
Closed end and one end that tubule is cased with sleeve valve are coaxially connected.
The refrigeration system include solar panel, cooling piece, voltage controller, temperature sensor, temperature detect switch (TDS),
Unpowered ventilation device；Solar panel is fixed on the crossbeam of frame by H-type bracket and bolt.
The cooling piece is made up of cascade the galvanic couple that metallic conductor connects and composes N-type and P-type semiconductor, side
For huyashi-chuuka (cold chinese-style noodles), it is in cylinder or semi cylindrical type that the other side, which is hot face,；The anode of voltage controller is connect with N-type semiconductor, cathode and P
The connection of type semiconductor；Cooling piece is placed in extra heavy pipe and huyashi-chuuka (cold chinese-style noodles) is close to tube wall, and Unpowered ventilation device is placed on hollow anchor tube front end.
The temperature detect switch (TDS) passes through conducting wire with solar panel, voltage controller, cooling piece and temperature sensor respectively
Connection composition closed circuit, controls the work and disconnection of cooling piece, conversion work temperature is set as -1 DEG C~2 DEG C some value.
The temperature sensor is mounted in slopes between any two hollow anchor tubes, and apart from slope surface depth be 0.5~
2.5m place.
Further, sunshade as described above is freezed anchor structure, and the extra heavy pipe and tubule material are metal and thick
Pipe is inside and outside to be painted with erosion resistant coating；Extra heavy pipe 100~150mm of diameter, 40~60mm of capillary diameter, the length of extra heavy pipe with according to work
Cheng Shiji determines that the maximum gauge of ever-frozen ground seasonal active layer is adapted.
Further, sunshade as described above is freezed anchor structure, sets that there are four bolt hole, height on the H-type bracket
For 10~30cm, width is equal with crossbeam.
Further, the two of sunshade refrigeration anchor structure as described above, the solar panel length and frame are horizontal
Case bay is equal, and width is less than two 30~60cm of column spacing of frame.
Further, sunshade refrigeration anchor structure as described above, the Unpowered ventilation device are equipped with a threading
Hole.
Further, sunshade refrigeration anchor structure as described above, the voltage controller and temperature detect switch (TDS) are mounted on frame
Frame or slope foot.
It is a further object of the present invention to provide a kind of construction methods of ever-frozen ground side slope sunshade refrigeration anchor structure, adopt
With contrary sequence method, section construction, i.e. from top to bottom section construction, comprising the following steps:
(1) geology and weather conditions at investigation side slope place, is explored and is designed, analysis ever-frozen ground side slope
Position (i.e. slide surface) where seasonal active layer determines each segment length, tilt angle and frame cross section ruler of hollow anchor tube
It is very little；
(2) prefabricated hollow anchor tube: two root thickness, thin different metal tube are chosen, in one end turning external screw thread of extra heavy pipe, separately
The plectane of one end center opening is closed, and inner and outer surfaces brushing erosion resistant coating；Several slurry outlets and hangnail are set on tubule,
Nozzle oversleeve valve；It is coaxially connected that extra heavy pipe closed end is cased with valve end of tucking inside the sleeve with tubule；
(3) unwrapping wire and positioning: unwrapping wire is carried out according to design drawing first and is then used secondly from the downward excavation slope of top of the slope
Measuring instrument positions the position of hollow anchor tube and temperature sensor；
(4) it drills: according to projected depth and angle, boring the placement of hollow anchor tube and temperature sensor respectively in side slope
Hole；
(5) construct hollow anchor tube: by the hole of hollow anchor tube insertion side slope, Grouting Pipe go deep into hollow anchor tube and with sleeve
Valve connection, carries out slip casing by pressure, oozes out it from slurry outlet, stablizes frozen soil layer with surrounding and bonds to form anchoring section, extracts slip casting
Pipe；
(6) construction frame: the formwork at the design position of the first root post and first row crossbeam, the slot made of formwork
Interior binding crossbeam, the framework of steel reinforcement of column and casting concrete form frame.
(7) centering spare anchor pipe carries out prestressed stretch-draw when the concrete strength of crossbeam, column reaches 85% or more, uses
Hollow anchor tube is fixed on frame by anchorage and backing plate.
(8) it constructs hollow anchor tube, crossbeam and the column of next working face, completes according to the step of (5), (6), (7)
The tensioning and anchoring of each hollow anchor tube of layer.
(9) cooling piece, Unpowered ventilation device and temperature sensor are installed: in the extra heavy pipe inner sleeve cooling piece of hollow anchor tube, and
Huyashi-chuuka (cold chinese-style noodles) is close to tube wall, and the conducting wire of N-type and P-type semiconductor is spread out of from the hole on Unpowered ventilation device, hollow anchor tube front end
Put on Unpowered ventilation device；Temperature sensor is placed in corresponding hole, and fills hole with the soil body, and data line draws slope surface；
(10) solar panel block-by-block construction solar panel: is fixed on by frame using H-type bracket and bolt
On crossbeam；
(11) line debug: by solar panel with conducting wire connect and with voltage controller, temperature sensor and temperature
Control switch connection, the anode of voltage controller are connect with the N-type semiconductor of cooling piece, and cathode is connect with P-type semiconductor；It connects
Temperature detect switch (TDS), observes the reading of temperature sensor, if continuing working a period of time reading reduces, explanation can cool down, if not
Become, then reexamines conducting wire connection.
(12) temperature detect switch (TDS) conversion work temperature is set, when being greater than setting conversion work temperature such as soil temperature, temperature control is opened
It closes conjunction cooling piece to start to cool down, otherwise temperature detect switch (TDS) disconnects.
The beneficial effects of the present invention are: present invention combination photovoltaic power generation, semiconductor refrigerating, ventilation and anchorage technology are in one
Body forms ever-frozen ground side slope sunshade refrigeration anchor structure, solves frozen soil side slope freeze thawing unstability and upper limit degenerate problem, promoted
Cold area's Slope Prevention is horizontal.Major advantage are as follows: (1) installing photovoltaic panel on frame and can carrying out power generation is remote area infrastructure
Operation provides the energy, can also block the heat radiation effect of sun side slope, moreover it is possible to form air motion channel, cold air convection
Exchange heat cooling slope surface.(2) cooling piece, which is nested in anchor tube, to freeze, and reduce the temperature of anchor tube surrounding soil, while being cold
Dough sheet heat dissipation provides channel, and Unpowered ventilation device accelerates convection current to reduce the temperature and humidity of huyashi-chuuka (cold chinese-style noodles) piece, provides good operation ring
Border.Temperature detect switch (TDS) perceives the work of soil temperature real-time control cooling piece, and sleeve valve one-way conduction can prevent nothing in slurry temperature descending section
Slurries residual provides the work, it can be achieved that anchor tube whole year cools down for cooling piece, the stability of frozen soil slopes is greatly improved.(3) it ties
Structure is simple, assembling is easy, strong operability, has good cooling, anchoring and long service performance.
The working principle of the invention is: (1) cooling down and sunshade principle: when the temperature of the temperature sensor perception soil body is higher than
When temperature detect switch (TDS) work inversion temperature, temperature detect switch (TDS) is closed automatically, and solar panel is connected to be formed with cooling piece and be closed back
Road, under the driving of electric power, electric current is flowed from the N-type element in cooling piece to p-type element, i.e., mobile by the material of low-lying level
To the material of high level, the huyashi-chuuka (cold chinese-style noodles) of cooling piece absorbs heat, and cooling piece and the hollow anchor tube periphery soil body carry out heat exchange, reduce
The temperature of the soil body simultaneously stores cooling capacity, while the hot face of cooling piece distributes heat；Unpowered blast cap utilizes natural wind and middle spare anchor
It manages the temperature difference between atmosphere and carries out air thermal convection, push turbine rotation to utilize centrifugal force and suction function by middle spare anchor
The hot-air Accelerating Removal that cooling piece distributes in managing, reduces the own temperature of cooling piece, it is ensured that works normally.Solar battery
Plate can block strong solar radiation, the heat effect of reduced radiation side slope, and cold air on daytime can be from solar energy
It is flowed through between solar panel and slope surface, carries out heat convection with slope surface, reduce slope surface temperature.(2) principle is anchored: hollow anchor tube peace
After being placed in slopes hole, slurry is injected using slip casting pipe pressure, it is viscous from slurry outlet exudation and surrounding soil that slurry passes through sleeve valve
Knot；Frame connect to form space structure with hollow anchor tube, and season freeze thawing mobile layer is anchored in the stable soil body.
Detailed description of the invention
Fig. 1 is the schematic diagram of solar panel and frame of the present invention；
Fig. 2 is the schematic diagram of the hollow anchor tube of Fig. 1；
Fig. 3 is the schematic diagram of Unpowered ventilation device of the present invention；
Fig. 4 is the schematic diagram that Unpowered ventilation device and cooling piece are mounted on hollow anchor tube；
Fig. 5 is the schematic diagram of H-type bracket of the present invention；
Fig. 6 is the schematic diagram that the present invention is implemented in slope support engineering；
Fig. 7 is the composition and working principle figure of cooling piece；
Description of symbols:
1- crossbeam, 2- column, 3- anchorage, 4- backing plate, the hollow anchor tube of 5-, 6- extra heavy pipe, 7- tubule, 8- sleeve valve, 9- hangnail,
10- slurry outlet, 11- solar panel, 12- cooling piece, 13- voltage controller, 14- temperature sensor, 15- temperature detect switch (TDS),
16- Unpowered ventilation device, 17- conducting wire, 18- threading hole, 19-H type bracket, 20- cement slurry, the potential slide surface of 21-.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the technical solution below in the present invention carries out clear
Chu is fully described by, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
As shown in Fig. 1,2,3,4,5,6 and 7, the present invention provides a kind of sunshade refrigeration anchor structure, comprising: anchor system
And refrigeration system；
The anchor system includes frame, hollow anchor tube 5, anchorage 3 and backing plate 4；Frame is made of crossbeam 1 and column 2,
Hollow anchor tube 5 passes through the crossover location of crossbeam 1 and column 2, and hollow anchor tube 5 is anchored on frame by anchorage 3 and backing plate 4.
The hollow anchor tube 5 is made of extra heavy pipe 6 and the connection of tubule 7；Extra heavy pipe 6 is open at one end, and the other end is closed and center is opened
Hole, open end are equipped with external screw thread, are provided with several slurry outlets 10 and hangnail 9 on the tube wall of tubule 7, one end spout part is cased with sleeve
Valve 8；6 closed end of extra heavy pipe and one end that tubule 7 is cased with sleeve valve 8 are coaxially connected.
The refrigeration system includes solar panel 11, cooling piece 12, voltage controller 13, temperature sensor 14, temperature
Control switch 15 and Unpowered ventilation device 16；Solar panel 11 is fixed on the crossbeam 1 of frame by H-type bracket 19 and bolt
On, power generation and sunshade are carried out, refrigeration power is provided and weakens direct sunlight slope surface.
The cooling piece 12 is made of N-type semiconductor and P-type semiconductor, and side is huyashi-chuuka (cold chinese-style noodles), and the other side is hot face, in circle
Cylinder or semi cylindrical type；The anode of voltage controller 13 is connect with N-type semiconductor, and cathode is connect with P-type semiconductor；Cooling piece 12
It is placed in extra heavy pipe 6 and huyashi-chuuka (cold chinese-style noodles) is close to tube wall, huyashi-chuuka (cold chinese-style noodles) cools down when work, and the soil temperature around extra heavy pipe 6 reduces, while hot face dissipates
Calorific value；Unpowered ventilation device 16 is placed on hollow 5 front end of anchor tube, carries out heat convection for cooling piece using natural wind and pressure difference
The heat that 12 hot faces distribute takes in atmosphere.
Fig. 7 is the working principle diagram of cooling piece, as shown in fig. 7, the cooling piece 12 is by N-type semiconductor and P-type semiconductor
The galvanic couple connected and composed constitutes cascade.After the circuit that cooling piece 12 is constituted summarizes and connects DC current, energy can be generated
The transfer of amount, electric current absorb heat by the connector that N-type element flows to p-type element, become cold end.The size of heat absorption is to pass through electricity
The element logarithm of the size of stream and semiconductor material N, P determines.
The temperature detect switch (TDS) 15 respectively with solar panel 11, voltage controller 13, cooling piece 12 and temperature sensor
14, by the connection composition closed circuit of conducting wire 17, control the work and disconnection of cooling piece 12, conversion work temperature is set as -1 DEG C
~2 DEG C some value.
The temperature sensor 14 is mounted in slopes between any two hollow anchor tubes 5, and is apart from slope surface depth
At 0.5~2.5m.
Further, 6 material of extra heavy pipe is metal, inside and outside to be painted with erosion resistant coating, 100~150mm of diameter, length
It is adapted with according to the practical maximum gauge for determining ever-frozen ground seasonal active layer of engineering, 7 material of tubule is metal, diameter 40
~60mm, length are determined with according to engineering calculation bearing capacity.
Further, bolt hole there are four setting on the H-type bracket 19, is highly 10~30cm, width and 1 phase of crossbeam
Deng.
Further, 11 length of solar panel is equal with two crossbeams, 1 spacing of frame, and width is less than frame
Two columns, 2 30~60cm of spacing, carry out convection current in order to which fixed and air flows between solar panel 11 and slope surface and change
Heat.
As shown in Fig. 3,4 and 6, the Unpowered ventilation device 16 is equipped with a threading hole 18.
As shown in fig. 6, the voltage controller 13 and temperature detect switch (TDS) 15 are mounted on frame or slope foot.
As shown in figs. 1 to 6, the present invention provides a kind of construction method of ever-frozen ground side slope sunshade refrigeration anchor structure, adopts
With contrary sequence method, section construction, i.e. from top to bottom section construction, comprising the following steps:
(1) geology and weather conditions at investigation side slope place, is explored and is designed, analysis ever-frozen ground side slope
Position (i.e. potential slide surface 21) where seasonal active layer, determines each segment length, tilt angle and the frame of hollow anchor tube 5
Sectional dimension；
(2) prefabricated hollow anchor tube 5: choosing two root thickness, thin different metal tube, in one end turning external screw thread of extra heavy pipe 6,
The plectane of other end center opening is closed, and in inner and outer surfaces brushing erosion resistant coating；Several slurry outlets 10 are set on tubule 7
With hangnail 9, nozzle oversleeve valve 8；It is coaxially connected that the closed end of extra heavy pipe 6 is cased with 8 end of valve of tucking inside the sleeve with tubule 7；
(3) unwrapping wire and positioning: unwrapping wire is carried out according to design drawing first and is then used secondly from the downward excavation slope of top of the slope
Measuring instrument positions the position of hollow anchor tube 5 and temperature sensor 14；
(4) it drills: according to projected depth and angle, boring the peace of hollow anchor tube 5 and temperature sensor 14 respectively in side slope
Set hole；
(5) construct hollow anchor tube 5: by the hole of hollow anchor tube 5 insertion side slope, Grouting Pipe go deep into hollow anchor tube 5 and with
Valve 8 of tucking inside the sleeve connects, and carries out slip casing by pressure, oozes out it from slurry outlet 10, and slurry 20 and surrounding stablize frozen soil layer and bond to form anchoring
Section extracts Grouting Pipe；
(6) construction frame: the formwork at the design position of the first root post 2 and first row crossbeam 1, made of formwork
Binding crossbeam 1, the framework of steel reinforcement of column 2 and casting concrete form frame in slot.
(7) centering spare anchor pipe 5 carries out prestressing force when the concrete strength of crossbeam 1 and column 2 reaches 85% or more
It draws, hollow anchor tube 5 is fixed on frame with anchorage 3 and backing plate 4.
(8) it constructs hollow anchor tube 5, crossbeam 1 and the column 2 of next working face, completes according to step (5), (6), (7)
The stretch-draw anchor of each hollow anchor tube 5 of layer.
(9) cooling piece 12, Unpowered ventilation device 16 and temperature sensor 14 are installed: in 6 inner sleeve of extra heavy pipe of hollow anchor tube 5
Cooling piece 12, and huyashi-chuuka (cold chinese-style noodles) is close to tube wall, and by the conducting wire 17 of N-type and P-type semiconductor from the threading hole on Unpowered ventilation device 16
It is spread out of in 18, Unpowered ventilation device 16 on hollow 5 front end sleeve of anchor tube；Temperature sensor 14 is placed in corresponding hole, and with soil
Body fills hole, and data line draws slope surface；
(10) construction solar panel 11: 11 block-by-block of solar panel is fixed on using H-type bracket 19 and bolt
On the crossbeam 1 of frame；
(11) line debug: by solar panel 11 with conducting wire 17 connect and with voltage controller 13, temperature sensing
Device 14 and temperature detect switch (TDS) 15 connect, and the anode of voltage controller 13 is connect with the N-type semiconductor of cooling piece 12, cathode and p-type half
Conductor connection；Temperature detect switch (TDS) 15 is connected, the reading of temperature sensor 14 is observed, if continuing working a period of time reading reduces, is said
It is bright to cool down, if constant, reexamine conducting wire connection.
(12) 15 conversion work temperature of temperature detect switch (TDS) is set, when being greater than setting conversion work temperature such as soil temperature, temperature control
Switch 15 is closed cooling piece 12 and starts to cool down, otherwise disconnects.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (7)
- The anchor structure 1. a kind of sunshade is freezed, it is characterised in that: include: anchor system and refrigeration system；The anchor system includes frame, hollow anchor tube (5), anchorage (3) and backing plate (4)；Frame is by crossbeam (1) and column (2) Composition, hollow anchor tube (5) pass through the crossover location of crossbeam (1) and column (2), anchorage (3) and backing plate (4) for hollow anchor tube (5) It is anchored on frame；The hollow anchor tube (5) is made of extra heavy pipe (6) and tubule (7) connection；Extra heavy pipe (6) is open at one end, the other end closing and in Heart aperture, open end are equipped with external screw thread, are provided with several slurry outlets (10) and hangnail (9), one end nozzle on the tube wall of tubule (7) Portion is cased with sleeve valve (8)；Extra heavy pipe (6) closed end and one end that tubule (7) is cased with sleeve valve (8) are coaxially connected；The refrigeration system includes solar panel (11), cooling piece (12), voltage controller (13), temperature sensor (14), temperature detect switch (TDS) (15) and Unpowered ventilation device (16)；Solar panel (11) is fixed by H-type bracket (19) and bolt In on the crossbeam (1) of frame；The cooling piece (12) is made up of cascade the galvanic couple that metallic conductor connects and composes N-type semiconductor and P-type semiconductor, Side is huyashi-chuuka (cold chinese-style noodles), and the other side is hot face, is in cylinder or semi cylindrical type, cooling piece (12) is nested in extra heavy pipe (6) and huyashi-chuuka (cold chinese-style noodles) is close to Tube wall；The anode of voltage controller (13) is connect with N-type semiconductor, and cathode is connect with P-type semiconductor；Unpowered ventilation device (16) Extra heavy pipe (6) are fixed on equipped with externally threaded open end；The temperature detect switch (TDS) (15) passes with solar panel (11), voltage controller (13), cooling piece (12) and temperature respectively Sensor (14) controls the work and disconnection of cooling piece (12), conversion work temperature by conducting wire (17) connection composition closed circuit It is set as -1 DEG C~2 DEG C some value；The temperature sensor (14) is mounted in slopes between any two hollow anchor tubes (5), and is 0.5 apart from slope surface depth At~2.5m.
- The anchor structure 2. sunshade according to claim 1 is freezed, it is characterised in that: extra heavy pipe (6) material is metal, interior It is painted with erosion resistant coating, 100~150mm of diameter outside, length determines ever-frozen ground seasonal active layer most with according to engineering is practical Big thickness is adapted, and tubule (7) material is metal, 40~60mm of diameter, and length is determined with according to engineering calculation bearing capacity.
- The anchor structure 3. sunshade according to claim 1 is freezed, it is characterised in that: the H-type bracket (19) is equipped with four A bolt hole is highly 10~30cm, and width is equal with crossbeam (1).
- The anchor structure 4. sunshade according to claim 1 is freezed, it is characterised in that: solar panel (11) length Equal with two crossbeams (1) spacing of frame, width is less than two columns (2) 30~60cm of spacing of frame.
- The anchor structure 5. sunshade according to claim 1 is freezed, it is characterised in that: set on the Unpowered ventilation device (16) There is a threading hole (18).
- The anchor structure 6. sunshade according to claim 1 is freezed, it is characterised in that: the voltage controller (13) and temperature control Switch (15) is mounted on frame or slope foot.
- 7. a kind of construction method of the refrigeration anchor structure of sunshade described in claim 1, which comprises the following steps:(1) it is determined according to the thickness of geology and weather conditions and the seasonal active layer of ever-frozen ground side slope at side slope place Potential slide surface (21) determines each segment length, tilt angle and frame cross section size of hollow anchor tube (5)；(2) prefabricated hollow anchor tube: choosing two root thickness, thin different metal tube, another in one end turning external screw thread of extra heavy pipe (6) The plectane of end center opening is closed, and in inner and outer surfaces brushing erosion resistant coating；Several slurry outlets (10) are set on tubule (7) With hangnail (9), nozzle oversleeve valve (8)；The closed end of extra heavy pipe (6) and one end that tubule (7) is cased with sleeve valve (8) are coaxially connected；(3) unwrapping wire and positioning: carrying out unwrapping wire according to design drawing first, secondly from the downward excavation slope of top of the slope, then with measurement Instrument positions the position of hollow anchor tube (5) and temperature sensor (14)；(4) it drills: according to projected depth and angle, boring the peace of hollow anchor tube (5) and temperature sensor (14) respectively in side slope Set hole；(5) the hollow anchor tube (5) of construction: by the hole of hollow anchor tube (5) insertion side slope, Grouting Pipe is goed deep into hollow anchor tube (5) simultaneously It is connect with sleeve valve (8), carries out slip casing by pressure, ooze out it from slurry outlet (10), slurry (20) and surrounding stablize frozen soil layer bonding Anchoring section is formed, Grouting Pipe is extracted；(6) construction frame: the formwork at the design position of the first root post (2) and first row crossbeam (1), the slot made of formwork Interior binding crossbeam (1), the framework of steel reinforcement of column (2) and casting concrete form frame.(7) centering spare anchor pipe (5) carries out prestressing force when the concrete strength of crossbeam (1) and column (2) reaches 85% or more It draws, hollow anchor tube (5) is fixed on frame with anchorage (3) and backing plate (4)；(8) it constructs hollow anchor tube (5), crossbeam (1) and the column (2) of next working face according to step (5), (6), (7), completion The stretch-draw anchor of each hollow anchor tube of layer (5)；(9) cooling piece, Unpowered ventilation device and temperature sensor: extra heavy pipe (6) inner sleeve cooling piece in hollow anchor tube (5) are installed (12), and huyashi-chuuka (cold chinese-style noodles) is close to tube wall, and by the conducting wire (17) of N-type and P-type semiconductor from the threading hole on Unpowered ventilation device (16) (18) it is spread out of in, Unpowered ventilation device (16) on hollow anchor tube (5) front end sleeve；Temperature sensor (14) is placed in corresponding hole It is interior, and hole is filled with the soil body, data line draws slope surface；(10) solar panel (11) block-by-block construction solar panel: is fixed on frame using H-type bracket (19) and bolt On the crossbeam (1) of frame；(11) line debug: by solar panel (11) with conducting wire (17) connect and with voltage controller (13), temperature sensing Device (14) and temperature detect switch (TDS) (15) connection, the anode of voltage controller (13) are connect with the N-type semiconductor of cooling piece (12), cathode It is connect with P-type semiconductor；It connects temperature detect switch (TDS) (15), observes the reading of temperature sensor (14), if continuing working a period of time Reading reduces, and explanation can cool down, if constant, reexamine conducting wire connection；(12) temperature detect switch (TDS) (15) conversion work temperature is set, when being greater than setting conversion work temperature such as soil temperature, temperature control is opened It closes (15) closure cooling piece (12) to start to cool down, otherwise disconnects.
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| CN201910300310.8A CN110029677B (en) | 2019-04-15 | 2019-04-15 | Permafrost slope sunshade refrigeration anchoring structure and construction method |
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| CN201910300310.8A CN110029677B (en) | 2019-04-15 | 2019-04-15 | Permafrost slope sunshade refrigeration anchoring structure and construction method |
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