1.  The total length of the standard guardrail board is 4320mm (4m is left after installation), and the column spacing is 4m. Stiffening plate is a column with a spacing of 2m

1.1) The width of two corrugated beam guardrail plates is 310mm, the wave height is 85mm, and the plate thickness is 3mm and 4mm; Theoretical weight: 49.16kg for 3mm thick and 65.55kg for 4mm thick; The 3MM thick one weighs 12.3 tons per kilometer, and the 4MM thick one weighs 16.388 tons.

1.2) The specification of three wave beam guardrail board is 4320mm long and 505mm wide. The construction of highway guardrail board is 85mm high and 4mm thick; Theoretical weight: 102kg, with 130 * 130 square tube column.

2.  Column: specification Φ 114、 Φ The 140mm length is 1.85m, 1.95m, 2m and 2.15m according to the requirements, and the wall thickness is 4.5mm; Theoretical weight: Φ 12.15kg/m of 114 Φ 15.04kg/m for 140mm

3.  250 guardrail boards are used per kilometer for standard sections. The distance between columns is 4m. 251 columns, 2 ends, 251 column caps, 251 anti blocking blocks, 251 sets of connecting bolts and 2008 sets of splicing bolts are used per kilometer