阅读说明：本技术 一种主动抗冰雪的桥面沥青铺装结构 (Bridge deck asphalt pavement structure capable of actively resisting ice and snow ) 是由 常明丰 裴建中 张久鹏 张增平 张艺行 熊锐 哈富贵 于 2021-03-04 设计创作，主要内容包括：本发明属于道路桥梁工程技术领域,涉及一种主动抗冰雪的桥面沥青铺装结构,包括从上至下依次布置的沥青复合层、碳纤维复合层和混凝土层,还包括多组均布设置的防凝结组件,防凝结组件包括空压机；第一增压装置,其入口端与空压机的出口连通；主金属管,埋设在混凝土层内,其中段与第一增压装置的出口端连通；至少一个分支金属管,埋设在混凝土层内,其一端与主金属管连通；多个喷头设在分支金属管的上方,埋设在沥青复合层内,喷头的上表面与沥青复合层的上表面平齐,喷头通过第一连接管与分支金属管连通；加热装置设在主金属管上,对经由主金属管流通的空气进行加热。本发明可及时去除冰雪,减少交通事故的发生,保证行车安全性。(The invention belongs to the technical field of road and bridge engineering, and relates to an active ice and snow resistant bridge deck asphalt pavement structure, which comprises an asphalt composite layer, a carbon fiber composite layer and a concrete layer which are sequentially arranged from top to bottom, and also comprises a plurality of groups of uniformly distributed anti-condensation assemblies, wherein each anti-condensation assembly comprises an air compressor; the inlet end of the first supercharging device is communicated with the outlet of the air compressor; the main metal pipe is embedded in the concrete layer, and the middle section of the main metal pipe is communicated with the outlet end of the first supercharging device; at least one branch metal pipe embedded in the concrete layer, one end of which is communicated with the main metal pipe; the plurality of spray heads are arranged above the branch metal pipes and embedded in the asphalt composite layer, the upper surfaces of the spray heads are flush with the upper surface of the asphalt composite layer, and the spray heads are communicated with the branch metal pipes through first connecting pipes; the heating device is provided on the main metal pipe and heats air flowing through the main metal pipe. The invention can remove ice and snow in time, reduce traffic accidents and ensure driving safety.)

1. The utility model provides an anti ice and snow's of initiative bridge floor asphalt pavement structure, its characterized in that includes from last pitch composite bed (9), carbon fiber composite bed (10) and concrete layer (11) arranged down in proper order, still includes what multiunit equipartition set up is used for anti ice and snow prevent the subassembly that condenses, prevent that the subassembly that condenses includes:

an external air compressor (1);

the inlet end of the first supercharging device (2) is communicated with the outlet of the air compressor (1);

the main metal pipe (6) is embedded in the concrete layer (11), and the middle section of the main metal pipe is communicated with the outlet end of the first supercharging device (2);

at least one branch metal pipe (7) embedded in the concrete layer (11), one end of which is communicated with the main metal pipe (6);

the spray heads (4) are arranged above the branch metal pipes (7) and are embedded in the asphalt composite layer (9), the upper surfaces of the spray heads (4) are flush with the upper surface of the asphalt composite layer (9), and the spray heads (4) are communicated with the branch metal pipes (7) through first connecting pipes;

and a heating device (8) which is arranged on the main metal pipe (6) and is used for heating the air circulating through the main metal pipe (6).

2. The bridge deck asphalt pavement structure capable of actively resisting ice and snow as claimed in claim 1, wherein the heating device (8) comprises an external controller and a temperature and humidity sensor, the controller is electrically connected with the temperature and humidity sensor, the controller is further electrically connected with a resistance wire heating pipe (81), and the resistance wire heating pipe (81) is arranged in the main metal pipe (6) in a penetrating manner.

3. The bridge deck asphalt pavement structure capable of actively resisting ice and snow as claimed in claim 2, wherein a plurality of resistance wire heating pipes (81) are uniformly distributed in the main metal pipe (6), and the resistance wire heating pipes (81) are fixed with the inner wall of the main metal pipe (6).

4. An active bridge deck asphalt pavement structure resisting ice and snow according to claim 1, characterized in that a plurality of second pressurizing devices (3) for pressure compensation are further arranged on the branch metal pipes (7), and the second pressurizing devices (3) are arranged between two adjacent first connecting pipes.

5. An active ice and snow resistant bridge deck asphalt pavement structure according to claim 1, characterized in that said first connecting pipes are provided with laval pipes (5) for increasing the flow velocity of the air flow.

6. An active anti-ice and snow bridge deck asphalt pavement structure according to claim 1, characterized in that the asphalt composite layer (9) comprises an asphalt concrete matrix and a copper skeleton embedded in the asphalt concrete matrix, the asphalt concrete matrix is composed of an asphalt mixture and an anti-coagulation composition, and the mass percentages of the asphalt mixture and the anti-coagulation composition are 200: 1.

7. the bridge deck asphalt pavement structure capable of actively resisting ice and snow according to claim 6, wherein the anti-coagulation composition is composed of sodium chloride, a reinforcing agent and a slow-release agent, and the mass percentage of the sodium chloride, the reinforcing agent and the slow-release agent is 5: 3: 2.

8. the bridge deck asphalt pavement structure capable of actively resisting ice and snow as claimed in claim 6, wherein the carbon fiber composite layer (10) comprises a tungsten-copper alloy matrix (103), a plurality of carbon fiber sheets are horizontally arranged and parallel to each other in the tungsten-copper alloy matrix (103), a plurality of first carbon fiber strips (102) are vertically arranged on the carbon fiber sheets in a penetrating manner, the first carbon fiber strips (102) are fixed with the carbon fiber sheets, a first heat conducting fin and a second heat conducting fin are respectively connected to two ends of each first carbon fiber strip (102), the first heat conducting fin is embedded in the asphalt composite layer (9) and fixed with the copper skeleton, and the second heat conducting fin is fixed with the outer side wall of the branch metal pipe (7).

9. An active ice and snow resistant bridge deck asphalt pavement structure according to claim 8, characterized in that said carbon fiber sheet comprises a plurality of second carbon fiber strips (101) woven together in a criss-cross manner.

Technical Field

The invention belongs to the technical field of road and bridge engineering, and particularly relates to an active ice and snow resistant bridge deck asphalt pavement structure.

Background

The bridge deck pavement refers to a protective layer paved on a bridge deck by using materials such as asphalt concrete, cement concrete, high molecular polymer and the like in order to protect the bridge deck and distribute concentrated loads of wheels.

The existing bridge deck pavement structure is easy to form an ice layer on the surface layer under the conditions of rain, snow and weather in winter and sudden temperature drop, so that the anti-skid capability of the bridge deck pavement structure is greatly reduced, the skidding of vehicles or pedestrians is caused, the safety performance of a road is reduced, malignant traffic accidents are easy to occur, and the safety of life and property is threatened in severe cases.

Disclosure of Invention

In view of the above, the present invention provides an active anti-ice and snow bridge deck asphalt pavement structure to solve the above-mentioned technical problems.

The technical scheme of the invention is as follows:

the utility model provides an anti ice and snow's of initiative bridge floor asphalt pavement structure, includes from last pitch composite bed, carbon fiber composite bed and the concrete layer of arranging down in proper order, still includes what multiunit equipartition set up is used for anti ice and snow prevent condensing the subassembly, prevent condensing the subassembly and include:

an air compressor is arranged outside;

the inlet end of the first supercharging device is communicated with the outlet of the air compressor;

the main metal pipe is embedded in the concrete layer, and the middle section of the main metal pipe is communicated with the outlet end of the first supercharging device;

at least one branch metal pipe, which is embedded in the concrete layer and one end of which is communicated with the main metal pipe;

the spray heads are arranged above the branch metal pipes and are embedded in the asphalt composite layer, the upper surfaces of the spray heads are flush with the upper surface of the asphalt composite layer, and the spray heads are communicated with the branch metal pipes through first connecting pipes;

and the heating device is arranged on the main metal pipe and used for heating the air circulated through the main metal pipe.

Preferably, the heating device comprises a controller and a temperature and humidity sensor which are arranged outside, the controller is electrically connected with the temperature and humidity sensor, the controller is also electrically connected with a resistance wire heating pipe, and the resistance wire heating pipe is arranged in the main metal pipe in a penetrating mode.

Preferably, the resistance wire heating pipes are uniformly distributed in the main metal pipe, and are fixed with the inner wall of the main metal pipe.

Preferably, a plurality of second pressurizing devices for pressure compensation are further arranged on the branch metal pipes, and the second pressurizing devices are arranged between two adjacent first connecting pipes.

Preferably, the first connecting pipe is provided with a laval pipe for increasing the flow velocity of the gas flow.

Preferably, the asphalt composite layer comprises an asphalt concrete matrix and a copper framework embedded in the asphalt concrete matrix, the asphalt concrete matrix is composed of an asphalt mixture and an anti-coagulation composition, and the mass percentage of the asphalt mixture to the anti-coagulation composition is 200: 1.

preferably, the anti-coagulation composition consists of sodium chloride, an enhancer and a sustained-release agent, wherein the mass percentage of the sodium chloride, the enhancer and the sustained-release agent is 5: 3: 2.

preferably, the carbon fiber composite bed includes the tungsten-copper alloy base member, there are a plurality of carbon fiber lamellar bodies that are parallel to each other and the level is placed in the tungsten-copper alloy base member, wear to be equipped with a plurality of first carbon fiber strips on the carbon fiber lamellar body perpendicularly, first carbon fiber strip with the carbon fiber lamellar body is fixed, the both ends of first carbon fiber strip are connected with first conducting strip and second conducting strip respectively, first conducting strip is buried underground in the pitch composite bed and with copper skeleton is fixed, the second conducting strip with the lateral wall of branch tubular metal resonator is fixed.

Preferably, the carbon fiber sheet body comprises a plurality of second carbon fiber strips which are woven together in a criss-cross mode.

Compared with the prior art, the bridge deck asphalt pavement structure capable of actively resisting ice and snow can remove ice and snow on roads and bridges in time, greatly reduce traffic accidents, ensure driving safety, is good in practicability, is particularly suitable for areas where ice and snow appear on roads in winter, and is worthy of popularization.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a first diagram illustrating a partial structure according to the present invention;

FIG. 3 is a second schematic diagram of a partial structure of the present invention;

FIG. 4 is a third schematic diagram of a partial structure of the present invention;

fig. 5 is a fourth schematic diagram of a partial structure of the present invention.

Detailed Description

The invention provides an active anti-ice and snow bridge deck asphalt pavement structure, which is described below by combining the structural schematic diagrams of figures 1 to 5.

Example 1

As shown in fig. 1, the bridge deck asphalt pavement structure capable of actively resisting ice and snow provided by the invention comprises an asphalt composite layer 9, a carbon fiber composite layer 10 and a concrete layer 11 which are sequentially paved on a bridge deck foundation structure from top to bottom, and further comprises a plurality of groups of anti-condensation assemblies which are uniformly distributed and used for resisting ice and snow.

As shown in fig. 2 and fig. 3, the structure of the condensation-preventing component specifically includes an external air compressor 1, the air compressor 1 is used for sucking and compressing external air into a first supercharging device 2, an inlet end of the first supercharging device 2 is communicated with an outlet of the air compressor 1, and is used for lifting the compressed air pressure, and the lifted air pressure is 2-2.5 atmospheres.

The main metal pipe 6 which is horizontally arranged is buried in the concrete layer 11, the main metal pipe 6 is vertically arranged with the outlet end of the first supercharging device 2, and the middle section of the main metal pipe 6 is communicated with the outlet end of the first supercharging device 2.

At least one branch metal pipe 7 is embedded in the concrete layer 11, one end of the branch metal pipe 7 is communicated with the main metal pipe 6, and the at least one branch metal pipe 7 and the main metal pipe 6 form a comb-tooth-shaped integral structure.

A plurality of spray heads 4 are sequentially arranged above the branch metal pipe 7, the spray heads 4 are linearly arranged, the spray heads 4 are embedded in the asphalt composite layer 9, the upper surface of each spray head 4 is flush with the upper surface of the asphalt composite layer 9, and the spray heads 4 are communicated with the branch metal pipe 7 through first connecting pipes.

The main metal pipe 6 is provided with a heating device 8, and the heating device 8 is used for heating air flowing through the main metal pipe 6.

Further, the heating device 8 structurally comprises a controller and a temperature and humidity sensor which are arranged outside, the controller is electrically connected with the temperature and humidity sensor, the controller is also electrically connected with a resistance wire heating pipe 81, and the resistance wire heating pipe 81 is arranged in the main metal pipe 6 in a penetrating mode.

Further, as shown in fig. 4, the resistance wire heating pipes 81 are specifically and uniformly arranged in the main metal pipe 6, and the resistance wire heating pipes 81 are fixed to the inner wall of the main metal pipe 6.

Further, the asphalt composite layer 9 specifically includes an asphalt concrete matrix and a copper skeleton embedded in the asphalt concrete matrix, the asphalt concrete matrix is composed of an asphalt mixture and an anti-coagulation composition, and the mass percentages of the asphalt mixture and the anti-coagulation composition are 200: 1.

further, the anti-coagulation composition consists of sodium chloride, an enhancer and a sustained-release agent, wherein the mass percentage of the sodium chloride, the enhancer and the sustained-release agent is 5: 3: 2.

further, as shown in fig. 5, the structure of the carbon fiber composite layer 10 specifically includes a tungsten copper alloy substrate 103 with excellent heat conductivity and strength, a plurality of carbon fiber sheets parallel to each other and horizontally disposed are disposed in the tungsten copper alloy substrate 103, a plurality of first carbon fiber strips 102 vertically penetrate through the carbon fiber sheets, the first carbon fiber strips 102 are fixed to the carbon fiber sheets, two ends of the first carbon fiber strips 102 are respectively connected with a first heat conducting strip and a second heat conducting strip for conducting heat, the first heat conducting strip is embedded in the asphalt composite layer 9 and fixed to the copper skeleton, and the second heat conducting strip is fixed to the outer side wall of the branch metal pipe 7.

Among them, since the first carbon fiber strips 102 are arranged along the fiber direction thereof, the thermal conductivity of the first carbon fiber strips 102 is the best in this direction.

Further, the carbon fiber sheet body comprises a plurality of second carbon fiber strips 101 which are woven together in a transversely-longitudinally staggered mode, and the second carbon fiber strips 101 form a supporting structure, so that the strength of the whole structure is enhanced.

When the air temperature and humidity sensor is used, the temperature and humidity sensor collects air temperature and humidity in real time, collected temperature and humidity data are sent to the controller in real time, comparison is carried out between the controller and preset condition threshold data, when the controller judges that weather is rainy or snowy and the outside air temperature is low, a control instruction is sent to the air compressor 1, the external air compressor 1 is started, external air is sucked and compressed and sent to the first supercharging device 2, the first supercharging device 2 raises the compressed air pressure to 2-2.5 atmospheric pressures, and then the pressurized air is sprayed out through the main metal pipe 6, the branch metal pipe 7, the first connecting pipe and the spray head 4, so that a circular air film structure is formed on the periphery of the spray head 4. Because the air that heating device 8 real-time convection current passes through in the main tubular metal resonator 6 heats, consequently, the air temperature via main tubular metal resonator 6 rises for the temperature of the air film structure that forms improves, when sleet, the air film structure can be peripheral to shower nozzle 4 with sleet, simultaneously because heat-conducting effect, can melt sleet in step, prevents that sleet from further falling on ground and forming the layer of condensing ice.

The main metal pipe 6 is buried in the concrete layer 11 structure of the inner layer of the ground, the main metal pipe 6 can be sequentially heated by the heated air under the action of heat conduction, the concrete layer 11 and the asphalt composite layer 9, when the heated air passes through the branch metal pipe 7, the heat can sequentially pass through the branch metal pipe 7 under the action of heat conduction, the second heat-conducting sheet, the first carbon fiber strips 102, the first heat-conducting sheet and the copper framework, so that the temperature of the asphalt composite layer 9 is higher than the air temperature, the rain and snow which falls on the asphalt composite layer 9 can be rapidly evaporated into steam, the residual time of the rain and snow on the upper surface of the asphalt composite layer 9 is shortest, and the trafficability of a road is improved to the greatest extent.

Example 2

Furthermore, in order to further improve the compressed air pressure and ensure that the formed air film structure has the best stability, a plurality of second supercharging devices 3 for pressure compensation are also arranged on the branch metal pipe 7, and the second supercharging devices 3 are arranged between two adjacent first connecting pipes, so that a plurality of air film structure surfaces are connected in sequence to form the whole protection surface.

Example 3

Further, in order to increase the air flow rate and improve the working efficiency, a laval pipe 5 for increasing the flow rate of the air flow is provided on the first connection pipe.

The Laval tube 5 can improve the air flow rate to the maximum extent, so that the air film structure is more stable.

Compared with the prior art, the bridge deck asphalt pavement structure capable of actively resisting ice and snow can timely remove ice and snow on roads and bridges, greatly reduce traffic accidents, ensure driving safety, is good in practicability, is particularly suitable for areas where ice and snow appear on roads in winter, and is worthy of popularization.

The above disclosure is only for the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.