Attention should be paid in the construction of guardrail

Guardrail is also known as protective net. Due to regional differences, people in the south are used to call it barrier, while people in the north are used to call it guardrail. China's fence is mainly divided into: garden fence, railway fence, bridge fence, highway fence, sports fence, airport fence and so on.

1. When the column is driven too deep, the column shall not be pulled out for correction. The foundation shall be tamped again before driving, or the position of the column shall be adjusted. When approaching the depth in construction, attention should be paid to the control of hammering force.

2. During the construction of guardrail, it is necessary to accurately grasp the information of various facilities, especially the accurate location of various pipelines buried in the subgrade, and it is not allowed to cause any damage to underground facilities during the construction process.

3. Guardrail is the installation project of Expressway facilities and an important part of Expressway appearance quality. The internal quality of the anti-collision fence lies in the raw materials and processing process, and its appearance quality depends on the construction process. In the construction, we should pay attention to the combination of construction preparation and pile driver, constantly summarize experience, and strengthen construction management, so as to ensure the installation quality of the corrugated beam anti-collision fence.

4. The fence should be installed with flange, and attention should be paid to the positioning of the flange and the control of the top elevation of the column.