1. The installation of the columns of Guanxian Expressway guardrail panels must be carried out under the premise of reinforcing the soil shoulders, and they must be installed on bridges, passages and large-span culvert structures. During the process of installing the guardrail panels in the main project, the installation of the columns must be The flange and anchor bolts should be processed first during installation.

2. Make preparations and detailed construction organization for the construction of guardrail board columns. Installation tools include: pile drivers, excavation tools, tamping tools, pliers, hammers, and measuring tools such as theodolite, level, and tape measure.

3. When constructing guardrail boards, the information of various facilities should be accurately grasped, especially the precise locations of various pipes buried in the roadbed. During the construction process, no damage to underground facilities is allowed. Industrial fences (such as factory fences, commercial site fences), agricultural fences (such as field fences, livestock fences), civil fences (such as building roof fences, fence walls, etc.), public facilities fences (such as road isolation fences), etc. .