CN113005847B - Be applied to snow melt asphalt concrete pavement of town road's electricity - Google Patents

Be applied to snow melt asphalt concrete pavement of town road's electricity Download PDF

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Publication number
CN113005847B
CN113005847B CN202110264597.0A CN202110264597A CN113005847B CN 113005847 B CN113005847 B CN 113005847B CN 202110264597 A CN202110264597 A CN 202110264597A CN 113005847 B CN113005847 B CN 113005847B
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China
Prior art keywords
carbon fiber
heat
heat conduction
asphalt concrete
geogrid
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Expired - Fee Related
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CN202110264597.0A
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CN113005847A (en
Inventor
付平
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Jiangsu Jiuju Construction Engineering Co Ltd
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Jiangsu Jiuju Construction Engineering Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/24Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • E01C11/26Permanently installed heating or blowing devices ; Mounting thereof
    • E01C11/265Embedded electrical heating elements ; Mounting thereof
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/10Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14Concrete paving

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The utility model belongs to the technical field of road traffic and specifically relates to an electric snow-melting asphalt concrete pavement for town road is related to, including locating the insulating layer on the road bed, lay the carbon fiber geogrid that generates heat on the insulating layer, cover heat conduction asphalt concrete layer on the carbon fiber geogrid that generates heat, be equipped with the heat conduction sheetmetal on the carbon fiber geogrid that generates heat, the heat conduction sheetmetal includes the connecting portion of being connected with the carbon fiber geogrid that generates heat to and towards a plurality of bulges of road surface convex, all inserted carbon fiber heating sheet and heat conduction metal sheet in the inner chamber of bulge, in the recess that adjacent bulge encloses. This application utilizes carbon fiber geogrid, carbon fiber heating plate, heat conduction sheetmetal and heat conduction metal sheet that generates heat, has solved the easy problem of being broken of being ground of heating cable.

Description

Be applied to snow melt asphalt concrete pavement of town road's electricity
Technical Field
The application relates to the field of road traffic, in particular to an electric snow-melting asphalt concrete pavement applied to a municipal road.
Background
A large number of investigations and studies have shown that the quality of the road surface condition is one of the important factors affecting road traffic. Particularly in cold winter, when snow is accumulated or frozen on the road surface, serious influence is often brought to the smoothness of the road and the driving safety, even the road and the airport are closed, and inconvenience is brought to passenger and goods transportation, thereby causing huge economic loss.
China is vast, and areas with the average accumulated snow day of more than or equal to 30 days in many years account for 56% of the territory of China, including two big blocks in the northeast and the west of China. Even in southern areas of China, huge ice and snow disasters similar to early 2008 appear, and a plurality of airports are closed. Therefore, in order to ensure the smooth road and the driving safety and improve the operating benefits of the road and the airport, the ice and snow on the road surface are removed by taking the rapid, effective and non-damage measure to the road surface, so that the method becomes an important work for road maintenance in cold regions in winter.
At present, the common ice and snow removing methods mainly comprise a manual removing method, a mechanical removing method, a hot snow melting method and a chemical snow melting method, wherein the manual removing method has low efficiency, high cost and long operation time. The mechanical clearing method has high efficiency, is suitable for large-area mechanical clearing operation, but cannot clear thoroughly, and the mechanical snow removing equipment has low use frequency and poor economic benefit. The chemical snow-melting method is to lower the freezing point of water by spreading salt to melt snow, and has the advantages of good effect, wide material source, low cost, etc. However, under long-time humid conditions, chloride ions in the scattered salt can cause corrosion of steel bar steel fibers on concrete pavements and bridge surfaces, the service life of highway bridges is shortened, and the environment is polluted.
The invention patent with publication number CN104005318A provides an electric snow-melting asphalt concrete pavement applied to municipal roads, the output power of the system is selected according to the ambient temperature and the snow-falling amount, the system is controlled by a control switch and is connected with a power supply, the system is connected with a heating cable through a cold wire, and the heat generated by the heating cable is transferred to a road surface through heat-conducting asphalt concrete so as to melt the accumulated snow on the road surface. Because vehicles come and go on the road and the weight of the vehicles is large, heating cables laid at a position of a few centimeters below the asphalt concrete pavement are easy to crush, and the heating cables are slightly crushed and deformed to cause local resistance change so as to cause heating value change, seriously cause broken lines, need to be excavated for pavement repair, and influence smooth driving.
Disclosure of Invention
In order to solve the problem that heating cable was broken by the grinding, this application provides an electric snow melt asphalt concrete road surface who is applied to town road.
The application provides an electric snow-melting asphalt concrete pavement applied to municipal roads, which adopts the following technical scheme:
the utility model provides an electricity snow melt asphalt concrete road surface for town road, is including locating the insulating layer on the road bed, lays the carbon fiber geogrid that generates heat on the insulating layer, covers heat conduction asphalt concrete layer on the carbon fiber geogrid that generates heat, the carbon fiber is equipped with the heat conduction sheetmetal on the geogrid that generates heat, and the heat conduction sheetmetal includes the connecting portion that the geogrid is connected that generate heat with the carbon fiber to and towards a plurality of bulges of road surface, all inserted carbon fiber heating sheet and heat conduction metal sheet in the inner chamber of bulge, in the recess that adjacent bulge encloses.
Through adopting above-mentioned scheme, utilize the carbon fiber geogrid and the carbon fiber piece that generates heat of generating heat of circular telegram, through heat conduction sheetmetal and heat conduction metal sheet with the heat conduct to heat conduction asphalt concrete layer fast and evenly, carbon fiber geogrid and the carbon fiber piece that generates heat can not warp after being rolled, also indeformable after being rolled when heat conduction sheetmetal and heat conduction metal sheet adopt the great metal of hardness.
Optionally, the carbon fiber heating geogrid comprises warp-wise carbon fiber cloth and weft-wise carbon fiber cloth, the warp-wise carbon fiber cloth and the weft-wise carbon fiber cloth both comprise a plurality of carbon fiber wires which are parallel to each other, the carbon fiber wires of the warp-wise carbon fiber cloth and the carbon fiber wires of the weft-wise carbon fiber cloth are woven at the vertical intersection, and the connecting parts of the heat-conducting metal sheets are tightly attached to the warp-wise carbon fiber cloth or the weft-wise carbon fiber cloth.
By adopting the scheme, the carbon fiber heating geogrid can efficiently transfer heat to the heat conducting metal sheet.
Optionally, the connecting portion of the heat-conducting metal sheet is riveted on the warp-wise carbon fiber cloth or the weft-wise carbon fiber cloth.
Through adopting above-mentioned scheme, realized that the connecting portion of heat conduction metal sheet hugs closely warp direction carbon cloth or latitudinal direction carbon cloth.
Optionally, the connecting portion of the heat-conducting metal sheet is woven in the warp-wise carbon fiber cloth or the weft-wise carbon fiber cloth in a wavy-line type manner.
Through adopting above-mentioned scheme, realized that the connecting portion of heat conduction metal sheet hugs closely warp direction carbon cloth or latitudinal direction carbon cloth.
Optionally, one row or one column of square holes of the carbon fiber heating geogrid is covered with one heat conduction metal sheet.
Through adopting above-mentioned scheme, made things convenient for on the one hand the carbon fiber geogrid go up the high-speed joint heat conduction sheetmetal that generates heat, on the other hand has also reduced the heat loss when many heat conduction sheetmetals overlap joint heat transfer.
Optionally, the carbon fiber heating sheet and the heat conducting metal plate are inserted into the grooves of the plurality of parallel heat conducting metal sheets and the inner cavity of the protruding part.
By adopting the scheme, the carbon fiber heating sheet and the heat-conducting metal plate are utilized to support the convex part of the heat-conducting metal sheet, so that the convex part keeps the shape protruding to the road surface.
Optionally, the cross-section of the protruding portion along the width direction of the heat-conducting metal plate is an inverted isosceles trapezoid, and the cross-section of the groove along the width direction of the heat-conducting metal plate is an upright isosceles trapezoid.
By adopting the scheme, the compressive strength of the heat-conducting metal sheet in the vertical direction is improved.
Optionally, the carbon fiber heating sheet and the heat-conducting metal plate layer are inserted into the inner cavities of the groove and the protrusion in a stacked manner.
Through adopting above-mentioned scheme, the carbon fiber of circular telegram generates heat the piece and sends heat and give the heat conduction metal sheet, and heat conduction asphalt concrete layer is given to heat conduction metal sheet and heat conduction metal sheet common transmission heat, and the carbon fiber of range upon range of generates heat piece and heat conduction metal sheet still plays the effect of bearing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the carbon fiber heating geogrid, the carbon fiber heating sheet, the heat conducting metal sheet and the heat conducting metal plate are utilized, so that the problem that the heating cable is easy to damage due to grinding is solved;
2. the carbon fiber heating sheet and the heat conducting metal plate are utilized to support the protruding part of the heat conducting metal plate, so that the protruding part keeps the shape protruding to the road surface, and the efficiency of heat transfer to the road surface is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of an electrically-melted snow-asphalt concrete pavement applied to a town road in the embodiment of the present application;
fig. 2 is a schematic structural view of a carbon fiber heating geogrid in the embodiment of the present application;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic view illustrating connection of a carbon fiber heating geogrid and a heat-conducting metal sheet in the embodiment of the present application;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a schematic structural view of an electrically snowmelt asphalt concrete pavement applied to a municipal road and hidden with a heat-conducting asphalt concrete layer according to an embodiment of the application;
fig. 7 is an enlarged view of the portion C in fig. 6.
Description of reference numerals: 1. a thermal insulation layer; 2. carbon fiber heating geogrid; 3. a heat-conducting asphalt concrete layer; 4. a heat conductive metal sheet; 5. a connecting portion; 6. a projection; 7. a groove; 8. a carbon fiber heating sheet; 9. a heat conductive metal plate; 10. warp-wise carbon fiber cloth; 11. weft-wise carbon fiber cloth; 12. a carbon fiber wire; 13. and (4) square holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses be applied to electric snow melt asphalt concrete road surface of town road. Referring to fig. 1, the snow-melting asphalt concrete pavement applied to the municipal road comprises a heat insulation layer 1 laid on the road bed, a carbon fiber heating geogrid 2 laid on the upper surface of the heat insulation layer 1, and a heat-conducting asphalt concrete layer 3 laid by covering the carbon fiber heating geogrid 2. The heat insulating layer 1 is made of high-performance polyester glass fiber cloth, a roadbed structure is arranged below the heat insulating layer 1, and the heat insulating layer 1 is arranged to prevent heat loss caused by downward heat conduction.
Referring to fig. 2, the carbon fiber heating geogrid 2 is composed of a plurality of warp-wise carbon fiber cloths 10 and a plurality of weft-wise carbon fiber cloths 11, and two adjacent warp-wise carbon fiber cloths 10 and two adjacent weft-wise carbon fiber cloths 11 enclose a square hole 13.
Referring to fig. 3, each warp-wise carbon fiber cloth 10 is formed by gluing a plurality of carbon fiber threads 12 parallel to each other, and each weft-wise carbon fiber cloth 11 is also formed by gluing a plurality of carbon fiber threads 12 parallel to each other. The carbon fiber wires 12 of the warp-wise carbon fiber cloth 10 are woven at the vertical intersection with the carbon fiber wires 12 of the weft-wise carbon fiber cloth 11.
Referring to fig. 4 and 5, a heat-conducting metal sheet 4 covers one row or one column of square holes 13 of the carbon fiber heating geogrid 2, and the heat-conducting metal sheet 4 is in a strip shape in a fully unfolded shape in a plane. Have a plurality of sections connecting portion 5 on the heat conduction sheetmetal 4, connecting portion 5 and the contact of carbon fiber heating geogrid 2 are used for heat transfer, fold out a plurality of convex bulge 6 towards the road surface between two adjacent sections connecting portion 5, and two adjacent bulges 6 enclose into recess 7.
Referring to fig. 5, the connection portion 5 of the heat-conducting metal sheet 4 is closely connected with the carbon fiber heating geogrid 2, and the connection mode has two types: the connecting part 5 of the heat-conducting metal sheet 4 is riveted on the warp-wise carbon fiber cloth 10 or the weft-wise carbon fiber cloth 11, or the connecting part 5 of the heat-conducting metal sheet 4 is woven in the warp-wise carbon fiber cloth 10 or the weft-wise carbon fiber cloth 11 in a wavy and threaded manner.
Referring to fig. 5, the cross section of the convex portion 6 in the longitudinal direction of the heat conductive metal sheet 4 is an inverted isosceles trapezoid (longer base is above and shorter base is below), and the cross section of the groove 7 in the longitudinal direction of the heat conductive metal sheet 4 is an upright isosceles trapezoid. The top surfaces of all the bulges 6 are flush, the distance between the road surface and the top surface of the bulge 6 is 4 cm, and the distance between the top surface of the bulge 6 and the carbon fiber heating geogrid 2 is also 4 cm.
Referring to fig. 6 and 7, the positions of the protruding portions 6 of two adjacent heat-conducting metal sheets 4 correspond to each other one by one, inner cavities of the protruding portions 6 corresponding to the positions of all the heat-conducting metal sheets 4 are connected into a straight hole, similarly, the grooves 7 corresponding to the positions of all the heat-conducting metal sheets 4 are also connected into a straight hole, and the long carbon fiber heating sheet 8 and the long heat-conducting metal plate 9 are inserted into the straight hole. Adopt carbon fiber to generate heat piece 8 and heat conduction metal sheet 9 interval range upon range of mode to fill up 6 inner chambers of bulge and recess 7, spread a slice heat conduction metal sheet 9 between two adjacent carbon fiber generate heat pieces 8 promptly, spread a slice carbon fiber generate heat piece 8 between two adjacent heat conduction metal sheet 9.
The implementation principle of the electric snow-melting asphalt concrete pavement applied to the municipal road provided by the embodiment of the application is as follows: utilize the carbon fiber geogrid 2 that generates heat of circular telegram and the carbon fiber piece 8 that generates heat of circular telegram, conduct the heat to heat conduction asphalt concrete layer 3 through heat conduction sheetmetal 4 and heat conduction metal sheet 9 fast and evenly, carbon fiber geogrid 2 and carbon fiber piece 8 that generates heat that generate heat can not warp after being rolled, and heat conduction sheetmetal 4 and heat conduction metal sheet 9 adopt the great metal of hardness to be rolled the back also indeformable.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an electricity snow melt asphalt concrete road surface for town road, is including locating insulating layer (1) on the road bed, lays carbon fiber geogrid (2) that generate heat on insulating layer (1), and carbon fiber geogrid (2) that generate heat covers heat conduction asphalt concrete layer (3), its characterized in that: be equipped with heat conduction sheetmetal (4) on carbon fiber geogrid (2), heat conduction sheetmetal (4) include connecting portion (5) of being connected with carbon fiber geogrid (2) that generate heat to and towards a plurality of bulge (6) of road surface convex, all inserted carbon fiber heating plate (8) and heat conduction metal sheet (9) in recess (7) that the inner chamber of bulge (6), adjacent bulge (6) enclose.
2. The electrically-melted snow asphalt concrete pavement applied to municipal roads according to claim 1, wherein: carbon fiber heating geogrid (2) include warp direction carbon cloth (10) and latitudinal direction carbon cloth (11), and warp direction carbon cloth (10) and latitudinal direction carbon cloth (11) all include carbon fiber line (12) that a plurality of roots are parallel to each other, and carbon fiber line (12) of warp direction carbon cloth (10) and carbon fiber line (12) of latitudinal direction carbon cloth (11) are woven in the crossing department of perpendicular, and connecting portion (5) of heat conduction sheetmetal (4) are hugged closely and are connected warp direction carbon cloth (10) or latitudinal direction carbon cloth (11).
3. The electrically-melted snow asphalt concrete pavement applied to municipal roads according to claim 2, wherein: and the connecting part (5) of the heat-conducting metal sheet (4) is fixedly riveted on the warp-wise carbon fiber cloth (10) or the weft-wise carbon fiber cloth (11).
4. The electrically-melted snow asphalt concrete pavement applied to municipal roads according to claim 2, wherein: the connecting parts (5) of the heat-conducting metal sheets (4) are woven in the warp-wise carbon fiber cloth (10) or the weft-wise carbon fiber cloth (11) in a wavy-line type penetrating manner.
5. The electrically-melted snow asphalt concrete pavement applied to municipal roads according to claim 1, wherein: one row or one column of square holes (13) of the carbon fiber heating geogrid (2) are covered with one heat conduction metal sheet (4).
6. The electrically-melted snow asphalt concrete pavement applied to municipal roads according to claim 5, wherein: the carbon fiber heating sheet (8) and the heat-conducting metal plate (9) are inserted into the grooves (7) of the heat-conducting metal sheets (4) which are parallel to each other and the inner cavity of the bulge (6).
7. The electrically-melted snow asphalt concrete pavement applied to municipal roads according to claim 1, wherein: the cross section of bulge (6) along heat conduction metal sheet (9) width direction is inverted isosceles trapezoid, recess (7) are upright isosceles trapezoid along heat conduction metal sheet (9) width direction's cross section.
8. The electrically-melted snow asphalt concrete pavement applied to municipal roads according to claim 1, wherein: the carbon fiber heating sheet (8) and the heat-conducting metal plate (9) are inserted into the inner cavities of the groove (7) and the protrusion (6) in a laminated manner.
CN202110264597.0A 2021-03-11 2021-03-11 Be applied to snow melt asphalt concrete pavement of town road's electricity Expired - Fee Related CN113005847B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116356634B (en) * 2023-04-07 2023-11-28 南通大学 Solar-energy-based electric heating geogrid pavement device and construction method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005042341A (en) * 2003-07-24 2005-02-17 Kazumitsu Taga Road heating block
KR20060031029A (en) * 2004-10-07 2006-04-12 김원기 Snow melting and reinforcing material for pavement, manufacturing method thereof and snow melting and reinforcing method using the same
CN101701445A (en) * 2009-10-29 2010-05-05 浙江石金玄武岩纤维有限公司 Basalt fiber and carbon fiber compound geogrid with electric heating function
CN102154969A (en) * 2010-11-30 2011-08-17 哈尔滨工业大学 Carbon nano-fibre paper heat-conduction concrete self-warming snow-melting deiceing road surface
CN102444071A (en) * 2011-09-14 2012-05-09 博睿思科技(大连)有限公司 Carbon fiber electrothermal concrete pavement
CN104005318A (en) * 2014-05-16 2014-08-27 上海市政工程设计研究总院(集团)有限公司 Electrical-snow melting asphalt concrete pavement used for municipal roads
CN104631276A (en) * 2014-12-26 2015-05-20 江苏天宇纤维有限公司 Carbon fiber composite geogrid with electric heating function
CN206157521U (en) * 2016-11-02 2017-05-10 天津杰斯曼建筑材料有限公司 Carbon fiber road surface snow -melting system that generates heat
CN109112926A (en) * 2018-07-24 2019-01-01 武汉迈克斯热能技术有限公司 A kind of road bridge floor deicing or snow melting cable

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005042341A (en) * 2003-07-24 2005-02-17 Kazumitsu Taga Road heating block
KR20060031029A (en) * 2004-10-07 2006-04-12 김원기 Snow melting and reinforcing material for pavement, manufacturing method thereof and snow melting and reinforcing method using the same
CN101701445A (en) * 2009-10-29 2010-05-05 浙江石金玄武岩纤维有限公司 Basalt fiber and carbon fiber compound geogrid with electric heating function
CN102154969A (en) * 2010-11-30 2011-08-17 哈尔滨工业大学 Carbon nano-fibre paper heat-conduction concrete self-warming snow-melting deiceing road surface
CN102444071A (en) * 2011-09-14 2012-05-09 博睿思科技(大连)有限公司 Carbon fiber electrothermal concrete pavement
CN104005318A (en) * 2014-05-16 2014-08-27 上海市政工程设计研究总院(集团)有限公司 Electrical-snow melting asphalt concrete pavement used for municipal roads
CN104631276A (en) * 2014-12-26 2015-05-20 江苏天宇纤维有限公司 Carbon fiber composite geogrid with electric heating function
CN206157521U (en) * 2016-11-02 2017-05-10 天津杰斯曼建筑材料有限公司 Carbon fiber road surface snow -melting system that generates heat
CN109112926A (en) * 2018-07-24 2019-01-01 武汉迈克斯热能技术有限公司 A kind of road bridge floor deicing or snow melting cable

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