SX concrete crash barrier price, aluminum alloy lighting barrier, municipal road crash barrier manufacturer

Description :

　　SX concrete crash barrier price, aluminum alloy lighting barrier, municipal road crash barrier manufacturer

　　The columns and beams of metal beam column guardrails for metal bridge guardrails are the load-bearing components of bridge guardrails, which require good absorption of vehicle collision energy and are also easy to process and install. Table 5-1 and Table 5-2 are the most commonly used forms of bridge guardrail beams and column cross-sections. The standard length of the crossbeam is~0crll, and the standard spacing between the columns is~] 0cnl or~OcHI. Metal guardrails should meet the following requirements in terms of construction: ① When the height D of the wheel safety belt is less than 10cra and does not exceed the guardrail surface (H=0), the anti-collision level of the guardrail is PL3, PL2, PLl. When the wheel safety belt extends out of the front of the guardrail (25cm~25cm), the anti-collision level of the guardrail is PL3, PL2

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