Pavement in the city landscape construction plays an important role, people will always be in the same color, surface texture of the same black asphalt pavement and gray cement concrete pavement, monotonous and even dull repressed psychological feelings and visual experience must not give people A good landscape environment. As a result, people began to reflect on whether the road should be beautiful? Facts have proved that people began to use a wide range of pavement materials and a variety of construction techniques to make the United States up, color is one of the road.
Color pavement development
The advent of the color pavement era, not because of beauty can be a place in the pavement family, color pavement also has the following effect, to conform to the development of the times!
1
Divided by the nature of the traffic area
The identifiability of urban road has a great impact on people's behavior, and it is an important content of urban road traffic safety. Color pavement can be divided by the color of the different nature of the traffic interval, which is very beneficial to traffic safety.
2
Warning
Roads or light-colored road pavements are to be used in special road sections or places such as sharp corners of roads, confluence and confluence, crossroads, tunnel entrance, pedestrian crossing zebra crossing, children's school road, bridge deck, gas station, toll station and even deeper rut Installed, used to form a comparison with ordinary asphalt road sections, suggesting that the special traffic conditions, so that drivers slow down, effectively avoiding traffic accidents.
3
relieve fatigue
From the perspective of traffic psychology, too long straight road, not only easy to cause motorists to cause paralysis and illusion, so that driving fatigue ahead of schedule, which easily lead to traffic accidents. Use pavement to change the color of the road can be effective to attract the driver's attention, relieve fatigue, so keep a clear head, reduce traffic accidents. Reasonable design of road color changes, the longer section of the straight line will not affect the safety effect, but also shorten the distance to reach the destination, reduce project cost and reduce running time.
4
Improve the anti-slip coefficient of special sections
Cross-platform, downhill sections, schools and other needs of the front door emergency stop, the brakes of the road, anti-skid requirements on the road high. The color anti-skid surface can increase the friction coefficient of the wheels and increase the anti-skid performance of the pavement under the dry condition and the rainy day by forming the special structure depth on the asphalt surface, reducing the wheel friction noise. Through the different colors, suggesting that drivers reduce the speed ahead of time, and through the friction surface of the higher road surface, shorten the braking distance in case of emergency, the road slippery due to rain and other traffic accidents play a preventive role.
5
Reduce the urban heat island effect
35% to 50% of the surface of a typical city is a road, usually gray cement road or black asphalt pavement, the road in the endothermic heat into a huge body. "Black asphalt pavement can absorb almost 100% of the heat in the sun, resulting in an increase in the temperature of the pavement and the surrounding air, exacerbating the urban heat island effect," said Gilbert, a researcher at the Heat Island Group at the Berkeley National Laboratory in Lawrence, California.
Studies have shown that the bright color of the "low temperature pavement" can reflect 30% to 50% of the sun. The new asphalt pavement can only reflect 5%, the older asphalt pavement can reflect 10% to 20%.
6
Increase brightness
As people's vision and brightness, brightness increased can enhance vision. Brightness decreased, the vision on the obvious decline, so the incidence of traffic accidents at night is much higher than during the day. The use of high-reflective color of the formation of bright colored aggregate road pavement can effectively increase the road brightness and improve the safety of driving at night. In Japan, glass beads have been used as a filler material for asphalt pavement, which can provide good light reflection effect.
7
Beautify the streets
Colorful road surface can effectively beautify the street space environment, creating a warm and pleasant atmosphere.
Fate message
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Color the road but also the United States up!
