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Conduction type bituminous mixture, preparation method and self-snow-melting system of conduction type bituminous mixture

A conductive asphalt mixture technology, applied in the field of conductive asphalt mixture, self-melting snow system, and preparation, to save costs, inhibit freezing, and improve driving safety

Pending Publication Date: 2018-09-04
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although coal gasification technology has greatly improved the utilization efficiency of coal and reduced the emission of pollutants, the waste residue produced after gasification also has a certain negative impact on the ecological environment.

Method used

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  • Conduction type bituminous mixture, preparation method and self-snow-melting system of conduction type bituminous mixture
  • Conduction type bituminous mixture, preparation method and self-snow-melting system of conduction type bituminous mixture
  • Conduction type bituminous mixture, preparation method and self-snow-melting system of conduction type bituminous mixture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042]A conductive asphalt mixture, including the following raw materials: coal gasification fine slag 6%, 0-3mm stone chips 26%, 3-5mm stone chips 12%, 5-10mm stone chips 36%, 10-15mm stone chips 20%, the mass ratio of asphalt to stone is 5.2:1.

[0043] The preparation method of the above-mentioned conductive asphalt mixture comprises the following preparation steps:

[0044] Step 1, put the coal gasification fine slag and stone into an oven and heat it to 182.5°C and keep it at a constant temperature to obtain the preheated coal gasification fine slag and stone for later use;

[0045] Step 2, put the asphalt in an oven and heat it to 165°C and keep it at a constant temperature to obtain the preheated asphalt for later use;

[0046] Step 3: Heat the mixing pot to 182.5°C, add the preheated coal gasification slag and stone materials, dry mix for 120 seconds, add the preheated asphalt, dry mix for 120 seconds, and the product is ready.

Embodiment 2

[0048] A conductive asphalt mixture, including the following raw materials: coal gasification fine slag 12%, 0-3mm stone chips 20%, 3-5mm stone chips 12%, 5-10mm stone chips 36%, 10-15mm stone chips 20%, the mass ratio of asphalt to stone is 5.6:1.

[0049] The preparation method of the above-mentioned conductive asphalt mixture comprises the following preparation steps:

[0050] Step 1, put the coal gasification fine slag and stone into an oven and heat it to 180°C and keep it at a constant temperature to obtain the preheated coal gasification fine slag and stone for later use;

[0051] Step 2, put the asphalt in an oven and heat it to 170°C and keep it at a constant temperature to obtain the preheated asphalt for later use;

[0052] Step 3: Heat the mixing pot to 180°C, add the preheated coal gasification fine slag and stone, dry mix for 120 seconds, add the preheated asphalt, dry mix for 120 seconds, and the product is ready.

Embodiment 3

[0054] A conductive asphalt mixture, including the following raw materials: coal gasification fine slag 18%, 0-3mm stone chips 14%, 3-5mm stone chips 12%, 5-10mm stone chips 36%, 10-15mm stone chips 20%, the mass ratio of asphalt to stone is 6.0:1.

[0055] The preparation method of the above-mentioned conductive asphalt mixture comprises the following preparation steps:

[0056] Step 1, put coal gasification fine slag and stone into an oven and heat to 185°C and keep at a constant temperature to obtain preheated coal gasification fine slag and stone for later use;

[0057] Step 2, put the asphalt in an oven and heat it to 160°C and keep it at a constant temperature to get the preheated asphalt for later use;

[0058] Step 3: Heat the mixing pot to 185°C, add the preheated coal gasification slag and stone, dry mix for 120 seconds, add the preheated asphalt, dry mix for 120 seconds, and the product is ready.

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Abstract

The invention discloses a conduction type bituminous mixture, a preparation method and a self-snow-melting system of the conduction type bituminous mixture. The conduction type bituminous mixture comprises coal gasification fine slag, stone and bitumen. The self-snow-melting system comprises a bituminous pavement formed by paving the conduction type bituminous mixture, a first plate electrode, a second plate electrode, an on-off actuator, a temperature sensor, a controller and a photoelectric converter; the first plate electrode, the second plate electrode, the on-off actuator, and the temperature sensor are arranged under the bituminous pavement; the controller and the photoelectric converter are arranged outside the bituminous pavement; the temperature sensor is used for obtaining the real-time temperature of the bituminous pavement and sending the real-time temperature to the control input end of the controller; the controller is used for controlling the on and off of the on-off actuator according to the real-time temperature. The self-snow-melting system adopts the coal gasification fine slag as a bituminous mixture filler of pavement layers of highway bridge decks in cold highland areas, a photovoltaic power generation system is used as a power supply, based on the information technologies such as mobile Internet and sensors, under special climatic environments, a self-snow-melting ice-inhibition function of the bridge deck pavement layer is realized, and the function of traffic safety early warning is reached.

Description

technical field [0001] The invention relates to the field of highway engineering asphalt pavement, in particular to a conductive asphalt mixture, a preparation method and a self-melting snow system. Background technique [0002] With the rapid development of my country's highway industry, expressways have gradually extended to plateau mountainous areas and even western alpine and high-altitude areas, and the proportion of roads, bridges and tunnels has increased significantly. Due to the large temperature difference in high-altitude and high-altitude areas, snowfall and freezing weather often occur, and snow and ice often appear on the pavement layer of the bridge deck, resulting in a sharp decrease in the friction coefficient and adhesion between the car tire and the pavement layer, and the braking distance is extended. Automobiles are prone to skidding or even rollover, causing brake failure, loss of direction control, and serious traffic accidents. In addition, the wirel...

Claims

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Application Information

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IPC IPC(8): C04B26/26C04B18/12C04B18/06E01C11/26C04B111/34
CPCE01C11/265C04B18/065C04B18/12C04B26/26C04B2111/343C04B2111/0075Y02W30/91
Inventor 李祖仲李斌张亚云张学磊法春光赵泽鹏王英明厐萧萧张杰宋瑞萌王耀祖
Owner CHANGAN UNIV
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