The new zinc steel guardrail is installed and fixed in the following two ways:
A. Connection of hot-dip galvanized square tube column and fence rail
1. Fix the U-shaped card to the square tube column with screws.
2. Fix the assembled zinc steel guardrail and U-shaped card with stainless steel anti-theft screws.
3. Pre-embed the column (pre-buried hole or drill with water drill when building the wall) or fix the column with expansion wire.
4, and so on
B. Connection of brick columns and fence rails
1. When laying brick columns and combining with Dongneng guardrail factory technology, reserve pre-buried holes
2. In the installation, drill holes in advance according to the upper and lower spacing of the beam.
3. Insert the guardrail beam into the pre-buried hole, level the beam, and then smooth it with sand ash.