Specializing in the production of wire mesh fence and sound barriers
Let's discuss some small details to keep in mind when applying highway noise barriers in winter
2022-10-18
Let's discuss the small details to pay attention to when applying highway noise barriers in winter
Highway noise barriers are widely used in roads, railways, coal mines, metallurgical industries, power projects, factories and mines, schools, hospitals, theaters, stadiums, public libraries, residential areas, and other places. Large arc highway noise barriers have high sound insulation: average sound insulation 37dB. Sound absorption coefficient: A sound absorption coefficient 0.95.
Weather resistance and durability: The design of large arc noise barriers has taken into account road wind loads. Fast noise barriers are mainly used for roads, highways, elevated roads, and other noise sources. They can be divided into pure sound insulation scattering type noise barriers and composite noise barriers that combine sound absorption and sound insulation; the latter is more effective sound insulation. Railway noise barriers insert a device between the sound source and the receiver, causing the ultrasonic wave to have a significant extra loss, thus weakening the noise pollution in a certain area where the receiver is located. This device is called a noise barrier. It has the advantages of noise reduction and sound insulation, aging resistance, high cost performance, sun protection and isolation, and fire prevention. The establishment of fast noise barriers is also important.
When the daily average temperature of the highway noise barrier construction site is less than 5℃ or the low temperature is less than 3℃, the winter concrete pouring solution should be used.
Based on the actual situation of national highway noise barrier engineering construction, clarify the specific electronic information engineering or work content that winter construction companies need everyone to take corresponding maintenance measures for highway noise barriers, formulate corresponding winter maintenance and control measures and contingency plans for highway noise barriers, and daily maintenance of excellent mechanical equipment.
The construction machinery and equipment of highway noise barriers should pay close attention to winter maintenance, regularly maintain and replace water-lubricated components, and prevent freezing. According to the winter construction prevention measures of highway noise barriers, conduct winter inspections of team housing and warehouses, build winter awnings, and prepare heating equipment.
Before entering winter, the fast noise barrier construction site should prepare for antifreeze heating work, and take anti-slip measures for operating tables, steel pipe scaffolding, and offices. Concrete is used for winter construction and maintenance.
It is mainly used for noise reduction in municipal infrastructure such as highway noise barriers, composite roads, elevated roads, urban light rail, and subway stations. Controlling environmental noise pollution in urban areas, it can also be used for noise reduction in factories. Among them, road noise barriers are called highway noise barriers. The design of this type of product comprehensively considers the wind load, vehicle collision reliability, and natural conditions of each place in China, and can be widely used for noise reduction on both sides of highways.
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