Galvanized Guardrail Standards
Short answer: for export projects, galvanized guardrail is specified to AASHTO M180 in North America and most export markets — minimum 550…
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Pangkalan pengetahuan
Nota Teknikal Penghadang Jalan Raya & Roller Barrier
Panduan spesifikasi, nota perbandingan dan penerangan piawaian yang disediakan untuk pihak yang perlu meluluskan reka bentuk tepi jalan — jurutera perolehan, perunding dan kontraktor.
Roller Barrier Dimensions and Weight
Short answer: a roller barrier unit uses 350 mm or 400 mm diameter rollers at 1.0 m or 1.5 m post spacing,…
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Roller Barrier Installation Guide
Short answer: a roller barrier is installed in six stages — set out the line, prepare the foundations, set the posts, mount…
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Guardrail End Terminal Types
Short answer: a guardrail end terminal is the engineered treatment at the start and end of a run — the point a…
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W-Beam Guardrail Specifications
Short answer: a standard W-beam guardrail panel is a 310 mm wide, 83 mm deep corrugated steel section, rolled in 2.67 mm…
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Roller Barrier Price Guide
Short answer: roller barrier cost is driven by four specification choices — roller diameter, post spacing, coating class and run length —…
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How Does a Roller Barrier Work?
Short answer: a roller barrier works by converting crash energy into rotation. When a vehicle strikes the barrier, the rows of rotating…
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Roller Barrier vs W-Beam Guardrail
Short answer: specify a W-beam guardrail for long, straight or gently curved runs where standard deflection is acceptable and budget per metre…
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Kelebihan penghadang jalan raya Thrie Beam
Penghadang jalan raya Thrie-beam (juga dikenali sebagai penghadang pelanggaran tiga gelombang, penghadang jalan, penghadang jalan raya, penghadang rasuk logam dan sebagainya) direka…
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Jika anda memerlukan pengesahan spesifikasi untuk projek yang sedang berjalan, hantarkan kepada kami. Kami menjawab dengan angka, bukan kata sifat.