Guardrail arrangement for underpass culvert roofs, designed to Korean SB3 standards. We’ve got the full layout: front elevation, side views, plans, and cross-sections. Details for the posts (Φ139.8), rail splices, and hardware are all here. Bản vẽ chi tiết lan can tôn lượn sóng cho cống chui.
South Korea Guardrail for Underpass Culvert Construction Details
