Highways and bridges are critical parts of transportation infrastructure, and their safety directly affects the lives of drivers and passengers. As the last line of defense against vehicle collisions, guardrails must balance protection, durability, and ease of installation. Zhengda Steel Guardrails, a professional manufacturer with 27 years of experience, specializes in high-quality corrugated steel beam guardrail that meets global standards like CE, ISO, and GB/T 31439. As part of Chongqing Zhengda Steel Structure Co., Ltd., Zhengda's corrugated steel beam guardrail is designed for highway and bridge scenarios, solving key pain points such as corrosion, complex installation, and insufficient protection. It has become a preferred choice for safety projects worldwide, supporting infrastructure development in over 30 provinces in China and exporting to Asia and Africa.
One main reason Zhengda's corrugated steel beam guardrail is widely used is its outstanding durability. The guardrail uses high-quality materials like Q235 steel and high-strength steel, with a hot-dip galvanized surface treatment that provides 20-year rust resistance. This coating meets ASTM A123 and GB/T 18226 standards, with a zinc coating thickness of up to 84μm, effectively resisting acid, alkali, and salt corrosion—critical for bridges and highways exposed to rain, snow, and coastal salt spray. A project in New Zealand reported that after 18 months of use, Zhengda's corrugated steel beam guardrail showed zero corrosion, far exceeding the service life of ordinary guardrails. This long-term durability reduces maintenance frequency and costs, making it a cost-effective choice for long-term infrastructure projects.
Zhengda's corrugated steel beam guardrail excels in protection performance, a core factor for its wide application. The guardrail's corrugated structure is scientifically designed to absorb collision energy during impacts. When a vehicle collides, the waveform 梁板 (beam) deforms gradually to reduce impact force, preventing the vehicle from rushing off the road or crossing the central divider. Zhengda's corrugated steel beam guardrail meets multiple protection levels, from B-level to SS-level, and has passed strict crash tests according to JTG B05-01 standards—even simulating high-speed collisions up to 100km/h, it can still guide the vehicle back to the correct lane without breaking. For example, in a highway project in Jiangsu, the guardrail successfully prevented a truck from falling off a bridge during a collision, avoiding a major accident. This reliable protection makes it indispensable for highway and bridge safety.
Zhengda's corrugated steel beam guardrail stands out for its easy installation and low maintenance, saving time and labor for projects. The guardrail adopts a modular design with a quick-connect system—each standard section is 4320mm long, and workers can assemble it with simple tools, reducing installation time by 40% compared to traditional guardrails. Zhengda also provides detailed installation guidance and on-site support, ensuring even non-professional teams can complete the work efficiently. In terms of maintenance, the guardrail's modular structure allows for partial replacement—if a section is damaged, only the affected part needs to be changed, not the entire line. Zhengda offers a 2-year warranty and lifetime spare parts supply, ensuring timely repairs. This convenience is especially valuable for highway and bridge projects that require fast construction and minimal traffic disruption.
Zhengda's corrugated steel beam guardrail adheres to multiple international and national standards, enabling its wide use across different regions. It meets China's GB/T 31439 standard for corrugated steel beam guardrail, Europe's EN 1317-2 standard, and the US AASHTO M180 standard, ensuring compatibility with project requirements worldwide. For instance, in African highway projects, the guardrail complies with local anti-corrosion and load-bearing standards; in Asian bridge projects, it meets strict seismic and wind resistance requirements. Additionally, Zhengda's corrugated steel beam guardrail has nearly 100 patents for prefabricated designs, with adjustable sections (such as 3820mm and 3320mm) to fit different road widths and bridge structures. This standard compliance and flexibility make it suitable for diverse highway and bridge scenarios, from urban overpasses to mountain highways.
In conclusion, Zhengda's corrugated steel beam guardrail is widely used in highway and bridge safety projects due to its durability, strong protection, easy installation, and global standard compliance. Backed by 27 years of expertise, a 15,000㎡ factory with 3 fully automated lines, and an annual production capacity of 3,000 kilometers of highway guardrails, Zhengda can meet large-scale project needs with fast delivery (7-day shipping for standard models). Its corrugated steel beam guardrail not only enhances infrastructure safety but also reduces long-term costs, aligning with sustainable development goals. For governments and contractors seeking reliable, efficient, and compliant guardrail solutions, Zhengda's corrugated steel beam guardrail is undoubtedly the ideal choice to safeguard highway and bridge safety.
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