The fixed parts of the rolling barrier are plug-in and welded, and the fixed parts of the inserted guardrail are fixed by screws, and the fixed parts of the welded guardrails are welded to the guardrail posts.
The collocation of inserted and welded column fixing parts and decorative cover mainly meet two conditions:
1. The outer diameter of the decorative cap should be in accordance with the outer diameter of the fixed part, and the outer diameter of the outer diameter of the decorative cap should be larger than the outer diameter of the fixed part of the column;
2. The height of the guardrail post
cap shall be able to cover the expansion screws, and the height shall be above 2cm.
When choosing the cap of rolling barriers post, need to choose the cap which is beautiful appearance, appropriate outside diameter, and not easy to crack.
The application place is an important factor to choose the cap of rolling barriers post, separation rolling barrier cap is an easy installation, convenient and suitable to install after finished the guardrail project, such as the barrier has been install, need to make-up the caps, the separation cap is suitable. Therefore, we need to consider various factors when choosing rolling barriers posts and caps, so that we can choose the accessories suitable for the metal highway barriers