used highway guardrail for sale in missouri

used highway guardrail

The rapid development of expressways in China has been used extensively in highway guardrail nets. In -2010 in 2000, the newly built and expanded Expressway in China was 5 million kilometers, and it has become the longest country in the world. With the rapid development of the domestic expressway construction, the domestic highway guardrail market is expanding, and the used highway guardrail is more and more. Today we introduce used highway guardrail for sale in missouri.

Because the production and use time of the guardrail products in our country is less than 20 years, and less than 10 years have been issued for various production standards according to the standard standard, some small manufacturers have different mastery of the performance, technical parameters and production process of the fence. Some section of the road because of the use of anticorrosion technology to deal with improper guardrail products, less than one or two years time, road guardrail net rust stains, not only affect the visual effect of the highway, but also greatly shorten the effective use of guardrail, but also increase the maintenance cost.

What we usually say is that the used highway guardrail refers to the guard vehicles set off the roadbed along the roadbed edge of the dangerous section and the protection of the vehicles against the road, as well as the safety of pedestrians in isolation of pedestrians and vehicles. It has the vision of inducing the driver, causing alertness or restricting pedestrians' arbitrary crossing. The guardrail consists of pillars and bars, which can be made from wood, reinforced concrete or metal. In the early days of the application of fence products, usually used paint protection, then gradually used the form of hot dip zinc, still widely used hot dip zinc protection.

Application of highway guardrail

used highway guardrail for sale

used highway guardrail is a large-scale long-term outdoor use of facilities, the choice of protection system to different atmospheric environment to choose different protection system. The newly promulgated national standard GB/T18226-2000 "anticorrosion technical condition for highway traffic engineering steel structure", the protection of highway guardrail net products is divided into four categories: galvanized, aluminized, galvanized (aluminum) after coating and coating.

In rural areas and areas where pollution is not serious, separate hot dip zinc layers can be used to protect or spray protective guardrails. In heavy industrial or coastal urban areas, especially in areas with acid rain, ordinary hot dip zinc or plastic sprayed single coated guardrail may lose its utility, resulting in the maintenance of a road guardrail net.

This has greatly increased. The corrosion resistance of hot dipped aluminum guardrail is better than that of hot dip galvanized barrier, but its technology, technology, cost and environmental impact are not widely used. The hot dip aluminizing + plastic spray protection system is an uneconomical method for the protection system of hot dip zinc + plastic sprayed. The dual protective system of galvanized plate and spray can achieve better anticorrosion effect in heavy polluted areas, especially in acid rain area, and the service life is greatly extended and the most durable protection method can be used.

The highway guardrail net is the most important traffic infrastructure. The highway in China developed from 80s. It plays an important role in the development of the national economy and the society. It is an important maintenance and safety protection facility for the highway.

The mesh structure is concise, easy to transport and install, which is not limited by terrain fluctuation, especially for mountainous, sloping and curved areas. This product is sturdy and durable, and its price is medium and low. It is suitable for the product features of large area road fence.

highway guardrail suppliers in china

The used highway guardrail for sale in missouri have beautiful, durable, non deformation and fast installation. It is an ideal metal barrier product. It can be made into permanent net wall, and can be used as a temporary isolation network. It only needs to be fixed by different vertical columns. It has anti-corrosion, anti-aging, anti sun and weather resistant characteristics. For anticorrosive forms, electroplating, hot plating, plastic spraying and plastic dipping can be used. Usage and application scope: Mainly used in park/zoo fence, campus/field fence, road traffic isolation, temporary isolation zone.