CN107100054A - A kind of construction method in the tee girder bridge face of use graphene heating film - Google Patents
A kind of construction method in the tee girder bridge face of use graphene heating film Download PDFInfo
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- CN107100054A CN107100054A CN201710357032.0A CN201710357032A CN107100054A CN 107100054 A CN107100054 A CN 107100054A CN 201710357032 A CN201710357032 A CN 201710357032A CN 107100054 A CN107100054 A CN 107100054A
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- bridge
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- tee girder
- heating film
- girder bridge
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 90
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 78
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 239000004568 cement Substances 0.000 claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 13
- 239000002344 surface layer Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 239000011384 asphalt concrete Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 abstract description 3
- 238000010257 thawing Methods 0.000 abstract description 3
- 230000015271 coagulation Effects 0.000 abstract description 2
- 238000005345 coagulation Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- JLQUFIHWVLZVTJ-UHFFFAOYSA-N carbosulfan Chemical compound CCCCN(CCCC)SN(C)C(=O)OC1=CC=CC2=C1OC(C)(C)C2 JLQUFIHWVLZVTJ-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
- E01C11/265—Embedded electrical heating elements ; Mounting thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention belongs to a kind of tee girder bridge Surfacing Construction method of utilization graphene heating film principle of heating of highway engineering field science of bridge building direction pavement construction technology.Snow Agent is spread to increase the thawing speed of bridge floor accumulated snow, it is necessary to which a large amount of manpower and materials, Snow Agent, which is used for a long time, to produce corrosion to bridge floor and crossstructure, cause bridge service life to shorten.Step one lays 10 ㎝ reinforced concrete floors, and step 2 removes bridge floor basic unit debris, and step 3 laying graphene heating film, step 4 detects the heating property of graphene heating film, and step 5 lays 1 ㎝ waterproof layers.Step 6 lays 4 ㎝ cement concrete overcoats.Step 7 lays 5 ㎝ modified pitch coagulations.Step 8 tests surface temperature with infrared temperature detector.Solve after tee girder bridge face freezes in the winter time, ice dissolution speed it is slow and because spread Snow Agent and caused by pontic corrode the problem of.Add the service life in tee girder bridge face.Reduce maintenance road surface and the spending using Snow Agent.
Description
Technical field
Patent of the present invention belongs to highway engineering science of bridge building direction pavement construction technical field, is that one kind is added using graphene
The tee girder bridge Surfacing Construction method of hotting mask principle of heating.
Background technology
Influenceed larger by seasonal temperature change in current traditional tee girder bridge bridge floor, especially the winter in northern China,
It can only be radiated upwards in upper soll layer because road surface can obtain heat and road surface from earth's surface, tee girder pontic is suspended in comparison
In the air, area of dissipation is big, and heat is easy to scatter and disappear, so the speed of bridge floor cooling is faster than road surface, temperature is lower than road surface, Qiao Shang roads
Face easily first freezes, and bridge floor ice period in winter is long, ice and snow easily accumulate thawing speed it is slower than road surface, such case can make bridge floor
Occur the probability increase of traffic accident, particularly having the bridge floor of turning, the vehicle generation for easily causing bridge floor to travel is breakked away etc.
Security incident, influences the trip of people and personal life security.At present, what we commonly used disappear, and snow method is to spread Snow Agent, with
This increases the thawing speed of bridge floor accumulated snow, so that reduce the generation of traffic accident, but this method not only needs a large amount of manpowers
Material resources, and Snow Agent, which is used for a long time, to cause bridge service life to shorten bridge floor and crossstructure generation corrosion.
The content of the invention
Patent technical problem to be solved of the present invention is to use stone there is provided one kind for above-mentioned the deficiencies in the prior art
The construction method in black alkene heating film heating tee girder bridge face.
A kind of tee girder bridge Surfacing Construction method of utilization graphene heating film principle of heating, by T-shaped beam bridge bridge floor face
Layer is mated formation by guardrail, 5 ㎝ modified asphalt concrete surface layers, 4 ㎝ cement concrete overcoats, 1 ㎝ waterproof layers, energization box, 5mm stones
Black alkene heating film, 10 ㎝ reinforced concrete floors, T-shaped beam composition；It is characterized in that this method includes following steps：Step one
Lay 10 ㎝ reinforced concrete floors；Step 2 removes bridge floor basic unit debris；Step 3 lays graphene heating film；Step 4 is detected
The heating property of graphene heating film；Step 5 lays 1 ㎝ waterproof layers；Step 6 lays 4 ㎝ cement concrete overcoats；Step 7
Lay 5 ㎝ modified pitch coagulations；Step 8 tests surface temperature with infrared temperature detector.
It is of the invention that there is advantages below compared with existing inventive technique：1st, in heat conduction field, because of leading for common CNT
Hot coefficient thermal conductivity factor in more than 3000W/mK, various metals it is of a relatively high have silver, copper, gold, aluminium, and single-layer graphene
Thermal conductivity factor up to 5300W/mK, or even there are some researches show its thermal conductivity factor is up to 6600W/mK, so the patent utilization stone
The characteristic of black alkene, accelerates ice dissolution with bridge floor ice period in winter is shortened, is convenient for people to trip, ensure people's safety etc.
Advantage.Using graphene heating heat conduction it is rapid the characteristics of, prevent the generation of bridge floor accumulated snow icing phenomenon, be convenient for people to it is daily go out
Row ensures the safety of people, greatly prolongs the life-span of bridge floor.Patent graphene heating film of the present invention heats tee girder bridge bridge floor
Pavement construction technique, using principle of heating, using graphene heating film heat conduction heating property it is strong the characteristics of, prevent bridge floor accumulated snow from freezing
The generation of phenomenon.2nd, solve after tee girder bridge face freezes in the winter time, ice dissolution speed it is slow and because spread Snow Agent and caused by bridge
The problem of body corrodes.3rd, the service life in tee girder bridge face is added.4th, maintenance road surface and opening using Snow Agent are reduced
Branch.
Brief description of the drawings
Fig. 1 is a kind of tee girder bridge Surfacing Construction technique side view of use graphene heating film.
Fig. 2 is bridge floor paver structure chart.
Fig. 3 is bridge floor paver profile.
Fig. 4 is graphene heating film and energization box.
Fig. 5 is bridge floor paver top view.
In figure, 1- guardrails, 2-5 ㎝ modified asphalt concrete surface layers, 3-4 ㎝ cement concrete overcoats, 4-1 ㎝ waterproofs
Layer, 5- energization boxes, 6-5mm graphene heating films, 7-10 ㎝ reinforced concrete floors, 8-T type beam bridges.
Embodiment
It need to be mated formation when laying 10 ㎝ reinforced concrete floors 7 in strict accordance with technical scheme, reinforcing bar is doing no more than 90 °
Bending when, the curved arc interior diameter of bending place is no less than 5 times of bar diameter.It is smaller that the joint of reinforcing bar is preferably arranged on stress
Place, same Reinforcement should not set two or more joints.The distance that connector end to reinforcing bar bends up a little should not
Less than 10 times of bar diameter.Stirrup diameter is no less than overlapping larger-diameter 0.25 times of reinforcing bar.The tension overlap stage
Stirrup spacing not should be greater than overlapping 5 times of reinforcing bar small diameter, and not should be greater than 100mm, when Reinforcement diameter in post
During more than 25mm, two stirrups should be respectively set in the range of 100mm outside two ends of lap joint, distance is 50mm therebetween.
Tension, the resistance to compression design strength of HRB335 grades of reinforcing bars are 300MPa, a diameter of 18mm, its tensile strength measured value and yield strength
The ratio of measured value is not less than 1.25.Percentage of total elongation is no less than 9% under the maximum, force of reinforcing bar.The slump of concrete is 120mm,
The ratio of mud is 0.52, and sand coarse aggregate ratio is 45%, and the ratio of coarse aggregate and fine aggregate is 1.85:1.
Mat formation after finishing, before laying 5mm graphenes heating film 6, bridge floor should also be checked, the hole existed to bridge floor
Groove, it is loose the problems such as to be repaired in time.When laying laying 5mm graphene heating films 6, to remove miscellaneous in bridge floor basic unit
Thing, makes dust, particulate matter or thrust diameter be no more than 0.5mm, it is ensured that the drying of bridge floor basic unit, clean, it is to avoid influence graphite
The efficiency of alkene heating film heating.A length of 22.5m of 5mm graphenes heating film 6, a width of 10m.According to the width of graphene during laying
Laid along bridge floor trail guide direction in direction.Continuous laying 5mm graphenes heating film 6, to ensure graphene heating film
Heating surface (area) (HS, prevents space occur in laying, adjacent two pieces of graphene films are carried out it is overlapping, with silicone glass cement counterweight
Folded part is bonded, and overlap length is 1 ㎝.Meanwhile, all mounting anode and cathode in every piece of graphene heating film is uniformly mated formation
In energization box 5 on the right side of bridge floor, switch on power and graphene is heated, detect the heating property of graphene heating film.
In live 20 DEG C of the air themperature of the Surfacing Construction of tee girder bridge 8（±5℃）In the case of, with infrared after energization 10s
Whether line temperature monitor test graphene heating film surface temperature reaches 69 DEG C（±5℃）.Applied in the deck paving of tee girder bridge 8
35 DEG C of the surface temperature in work scene（±10℃）In the case of, laid to 1 ㎝ waterproof layers 4, first with waterproofing agent and cement
Twice of the plain mortar brushing of waterproof is stirred into, gross thickness is 2mm；After the plain mortar surface drying of 20 minutes waterproofs, with waterproofing agent and cement, sand
Son stirs into waterproof mortar and is put on basal plane in two times, and thickness is 8mm, after waterproof mortar course solidification in 24 hours, watering maintenance.Maintenance
After finishing, the power supply of graphene heating film is connected after 5 minutes, detects its surface temperature whether 61 with infrared temperature detector
℃（±5℃）.
In live 20 DEG C of the air themperature of tee girder bridge Surfacing Construction（±10℃）In the case of, then to 4 ㎝ coagulating cements
Native overcoat 3 is laid, and the sand coarse aggregate ratio of cement concrete is 33%；Water, cement, sand, the match ratio of stone is 1：1.69:3.44:
0.56, after laying completion maintenance is finished, graphene heating power supply is connected, after heating 15 minutes, is surveyed with infrared temperature detector
Whether examination surface temperature reaches 56 DEG C（±5℃）.
In live 25 DEG C of the air themperature of the Surfacing Construction of tee girder bridge 8（±5℃）In the case of, it is mixed to 5 ㎝ modified pitch
Solidifying soil surface layer 2 is laid, the porosity 7% of bituminous concrete；Bitumen content 5%, the porosity requirement after compacting is 3%, by reality
Test the porosity of room marshal piece to calculate for 4%, live compactness should be controlled between 97%.In paving site normal construction
Temperature must not be less than 140 DEG C~150 DEG C, pave end after bridge floor surface temperature need to be less than 50 DEG C.
The power supply of graphene heating film is again switched on after the deck paving of tee girder bridge 8 terminates 30 minutes, is heated 15 minutes
Afterwards, 9 DEG C whether are reached with infrared temperature detector test surface temperature（±5℃）.Construction mark is can reach after detection is qualified
It is accurate.
Embodiment 1：Class I highway is mated formation surface thickness 15cm, groundwork thickness 38cm, underlayment thickness 40cm.In surface layer and
5mm graphene heating films are laid between basic unit.
It need to be mated formation when laying 40 ㎝ underlayments and 38cm basic units in strict accordance with technical scheme.Cement Stabilized Rock Soil
The quantitative rubble of middle admixture（Generally no greater than 50%）The compactness of underlayment is 95.9, and water content is 4.1, the compactness of basic unit
For 94.9, water content is 4.3%.Mat formation after finishing, before laying 5mm graphene heating films, bridge floor should also be checked, it is right
Bridge floor exist pit, it is loose the problems such as to be repaired in time.
When laying laying 5mm graphene heating films, the debris in bridge floor basic unit is removed, makes dust, particulate matter or projection
Thing diameter is no more than 0.5mm, it is ensured that the drying of bridge floor basic unit, clean, it is to avoid the efficiency of influence graphene heating film heating.5mm
A length of 22.5m of graphene heating film, a width of 10m.According to the width of graphene along bridge floor trail guide direction during laying
Laid.Continuous laying 5mm graphene heating films, to ensure the heating surface (area) (HS of graphene heating film, prevent from going out in laying
Existing space, two pieces of adjacent graphene films is carried out overlapping, lap is bonded with silicone glass cement, overlap length
For 1 ㎝.Meanwhile, all mounting anode and cathode in every piece of graphene heating film in the energization box uniformly mated formation on the right side of bridge floor, is connected
Power supply is heated to graphene, detects the heating property of graphene heating film.
In live 20 DEG C of the air themperature of tee girder bridge Surfacing Construction（±5℃）In the case of, with infrared after energization 10s
Whether line temperature monitor test graphene heating film surface temperature reaches 69 DEG C（±5℃）.In tee girder bridge Surfacing Construction
Live 25 DEG C of air themperature（±5℃）In the case of, 15cm surface layers mat formation live normal construction temperature must not less than 140 DEG C~
150 DEG C, bridge floor surface temperature need to be less than 50 DEG C after the end that paves.It is again switched on after tee girder bridge deck paving terminates 30 minutes
Whether the power supply of graphene heating film, after heating 15 minutes, 6 DEG C are reached with infrared temperature detector test surface temperature（±5
℃）.Construction reference is can reach after detection is qualified.
Embodiment 2：Class I highway paving upper layer AC-13 particulate formula bituminous concretes thickness is 5cm, middle surface layer
Grain formula bituminous concrete thickness is 7cm in AC-20, and waterproof layer 1cm, basic unit's cement stabilized macadam thickness is 19cm, bed course gravel thickness
For 38cm.5mm graphene heating films are laid between waterproof layer and middle surface layer.
It need to be mated formation when laying 10 ㎝ reinforced concrete floors in strict accordance with technical scheme, reinforcing bar is doing no more than 90 °
Bending when, the curved arc interior diameter of bending place is no less than 5 times of bar diameter.It is smaller that the joint of reinforcing bar is preferably arranged on stress
Place, same Reinforcement should not set two or more joints.The distance that connector end to reinforcing bar bends up a little should not
Less than 10 times of bar diameter.Stirrup diameter is no less than overlapping larger-diameter 0.25 times of reinforcing bar.The tension overlap stage
Stirrup spacing not should be greater than overlapping 5 times of reinforcing bar small diameter, and not should be greater than 100mm, when Reinforcement diameter in post
During more than 25mm, two stirrups should be respectively set in the range of 100mm outside two ends of lap joint, distance is 50mm therebetween.
Tension, the resistance to compression design strength of HRB335 grades of reinforcing bars are 300MPa, a diameter of 18mm, its tensile strength measured value and yield strength
The ratio of measured value is not less than 1.25.Percentage of total elongation is no less than 9% under the maximum, force of reinforcing bar.The slump of cement concrete is
120mm, the ratio of mud is 0.52, and the ratio of coarse aggregate and fine aggregate is 1.85:1.Mat formation after finishing, add in laying 5mm graphenes
Before hotting mask, bridge floor should also be checked, to bridge floor exist pit, it is loose the problems such as to be repaired in time.
When laying laying 5mm graphene heating films, the debris in bridge floor basic unit is removed, makes dust, particulate matter or projection
Thing diameter is no more than 0.5mm, it is ensured that the drying of bridge floor basic unit, clean, it is to avoid the efficiency of influence graphene heating film heating.5mm
A length of 22.5m of graphene heating film, a width of 10m.According to the width of graphene along bridge floor trail guide direction during laying
Laid.Continuous laying 5mm graphene heating films, to ensure the heating surface (area) (HS of graphene heating film, prevent from going out in laying
Existing space, two pieces of adjacent graphene films is carried out overlapping, lap is bonded with silicone glass cement, overlap length
For 1 ㎝.Meanwhile, all mounting anode and cathode in every piece of graphene heating film in the energization box uniformly mated formation on the right side of bridge floor, is connected
Power supply is heated to graphene, detects the heating property of graphene heating film.In the live Air Temperature of tee girder bridge Surfacing Construction
20 DEG C of degree（±5℃）In the case of, whether test graphene heating film surface temperature with infrared temperature detector after energization 10s
Reach 69 DEG C（±5℃）.
In live 35 DEG C of the surface temperature of tee girder bridge Surfacing Construction（±10℃）In the case of, enter to 1 ㎝ waterproof layers
Row laying, first with waterproofing agent and cement mixing into twice of the plain mortar brushing of waterproof, gross thickness is 2mm；20 minutes waterproof element ashes
Starch after surface drying, stir into waterproof mortar with waterproofing agent and cement, sand is put on basal plane in two times, and thickness is 8mm, 24 hours waterproofs
After screed solidification, watering maintenance.After maintenance is finished, the power supply of graphene heating film is connected after 5 minutes, is examined with infrared temperature
Whether survey instrument detects its surface temperature at 61 DEG C（±5℃）.
In live 20 DEG C of the air themperature of tee girder bridge Surfacing Construction（±10℃）In the case of, then centering surface layer 7cm
Grain formula bituminous concrete is laid in AC-20, the porosity 6% of bituminous concrete；Bitumen content 4.5%, the hole after compacting
Rate requirement is 4%, and empirically the porosity of room marshal piece is 4% calculating, and live compactness should be controlled 96%.Conserve
Bi Hou, connects graphene heating power supply, after heating 15 minutes, and whether 53 are reached with infrared temperature detector test surface temperature
℃（±5℃）.In live 25 DEG C of the air themperature of tee girder bridge Surfacing Construction（±5℃）In the case of, 5cmAC-13 particulates
The temperature of formula bituminous concrete scene normal construction must not be less than 140 DEG C~150 DEG C, and the bulk density of bituminous concrete is
2.5, porosity is 6%, and match ratio is 30：27：16：12：11：4：3.8, bridge floor surface temperature need to be less than 47 after the end that paves
℃.The power supply of graphene heating film is again switched on after tee girder bridge deck paving terminates 30 minutes, after heating 15 minutes, with red
Whether outside line temperature monitor test surface temperature reaches 7 DEG C（±5℃）.Construction reference is can reach after detection is qualified.
Claims (5)
1. a kind of tee girder bridge Surfacing Construction method of use graphene heating film, tee girder bridge bridge floor surface layer is mated formation by protecting
Column, 5 ㎝ modified asphalt concrete surface layers, 4 ㎝ cement concrete overcoats, 1 ㎝ waterproof layers, energization box, the heating of 5mm graphenes
Film, 10 ㎝ reinforced concrete floors, T-shaped beam bridge composition, it is characterised in that this method includes following steps：Step one laying 10
㎝ reinforced concrete floors;Step 2 removes bridge floor basic unit debris;Step 3 lays graphene heating film;Step 4 detects graphene
The heating property of heating film;Step 5 lays 1 ㎝ waterproof layers;Step 6 lays 4 ㎝ cement concrete overcoats;Step 7 laying 5
㎝ modified pitch is mixed;Step 8 tests surface temperature with infrared temperature detector.
2. a kind of tee girder bridge Surfacing Construction method of use graphene heating film according to claim 1, its feature
When being that tee girder bridge bridge floor lays laying 5mm graphene heating films, the debris in bridge floor basic unit is removed, makes dust, particulate matter
Or thrust diameter is no more than 0.5mm.
3. a kind of tee girder bridge Surfacing Construction method of use graphene heating film according to claim 1, its feature
It is a length of 22.5m, a width of 10m, according to the width side of graphene during laying of the 5mm graphene heating films of tee girder bridge bridge floor
Laid to along bridge floor trail guide direction, continuous laying 5mm graphene heating films, by two pieces of adjacent graphene heating films
Progress is overlapping, and lap is bonded with silicone glass cement, and overlap length is 1 ㎝.
4. a kind of tee girder bridge Surfacing Construction method of use graphene heating film according to claim 1, its feature
It is in tee girder bridge deck paving, all mounting anode and cathode in every piece of graphene heating film, uniformly mats formation and be powered on the right side of bridge floor
In box.
5. a kind of tee girder bridge Surfacing Construction method of use graphene heating film according to claim 1, its feature
It is in live 20 DEG C of the air themperature of tee girder bridge Surfacing Construction（±5℃）In the case of, infrared ray temperature is used after energization 10s
Whether degree detector test graphene heating film surface temperature reaches 69 DEG C（±5℃）, at tee girder bridge Surfacing Construction scene
35 DEG C of surface temperature（±10℃）In the case of, lay, laid after 5 hours to 1 ㎝ waterproof layers, connect graphene and add
Whether the power supply of hotting mask detects its surface temperature at 61 DEG C after 5 minutes with infrared temperature detector（±5℃）, in tee girder bridge
20 DEG C of the air themperature in Surfacing Construction scene（±10℃）In the case of, then 4 ㎝ cement concrete overcoats are laid,
After maintenance is finished, the power supply of graphene heating film is connected, after heating 15 minutes, surface temperature is tested with infrared temperature detector
Whether 56 DEG C are reached（±5℃）, in live 25 DEG C of the air themperature of tee girder bridge Surfacing Construction（±5℃）In the case of, 5 ㎝
The temperature of modified asphalt concrete surface layer scene normal construction must not be less than 140 DEG C~150 DEG C, bridge deck surfaces temperature after the end that paves
Degree need to be less than 50 DEG C, and the power supply of graphene heating film is again switched on after tee girder bridge deck paving terminates 30 minutes, heat 15 points
Whether Zhong Hou, 9 DEG C are reached with infrared temperature detector test surface temperature（±5℃）.
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| CN201710357032.0A CN107100054A (en) | 2017-05-19 | 2017-05-19 | A kind of construction method in the tee girder bridge face of use graphene heating film |
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| CN201710357032.0A CN107100054A (en) | 2017-05-19 | 2017-05-19 | A kind of construction method in the tee girder bridge face of use graphene heating film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004904A (en) * | 2017-12-12 | 2018-05-08 | 石伟东 | A kind of road traffic easy to draining highway prefabricated T-shaped beam |
| CN108442208A (en) * | 2018-03-14 | 2018-08-24 | 山东高速济泰城际公路有限公司 | A kind of pavement structure with Thermal conductivity |
| CN108797397A (en) * | 2018-09-11 | 2018-11-13 | 安徽建筑大学 | A kind of reparation construction method suitable for large longitudinal slope bridge floor |
| CN109162165A (en) * | 2018-10-22 | 2019-01-08 | 湖北工业大学 | The control method of crossing deicing or snow melting system and crossing deicing or snow melting |
| CN114855547A (en) * | 2022-05-06 | 2022-08-05 | 中国建筑第八工程局有限公司 | Snow-melting pavement structure and construction method thereof |
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2017
- 2017-05-19 CN CN201710357032.0A patent/CN107100054A/en active Pending
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| CN108442208A (en) * | 2018-03-14 | 2018-08-24 | 山东高速济泰城际公路有限公司 | A kind of pavement structure with Thermal conductivity |
| CN108442208B (en) * | 2018-03-14 | 2020-05-12 | 山东高速济泰城际公路有限公司 | Road surface structure with good heat conductivity |
| CN108797397A (en) * | 2018-09-11 | 2018-11-13 | 安徽建筑大学 | A kind of reparation construction method suitable for large longitudinal slope bridge floor |
| CN109162165A (en) * | 2018-10-22 | 2019-01-08 | 湖北工业大学 | The control method of crossing deicing or snow melting system and crossing deicing or snow melting |
| CN114855547A (en) * | 2022-05-06 | 2022-08-05 | 中国建筑第八工程局有限公司 | Snow-melting pavement structure and construction method thereof |
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