How to construct the barrier fence safely

(1) During the construction of the barrier fence, the data of various facilities should be accurately mastered, especially the accurate position of various pipelines buried in the subgrade. No damage to underground facilities is allowed during the construction.

(2) When the column is driven too deep, it is not allowed to pull out the column for correction. It is necessary to tamp its foundation again before driving, or adjust the position of the column. When approaching the depth during construction, attention shall be paid to controlling the hammering force.

(3) Flange plate shall be installed for bridge guardrail, and attention shall be paid to the positioning of flange plate and the control of top elevation of column.

Crash barrier is an installation project of safety facilities of expressway and an important part of appearance quality of expressway. The internal quality of anti-collision guardrail lies in the raw materials and processing process, and its appearance quality depends on the construction process. During the construction, attention should be paid to the combination of construction preparation and pile drivers, and continuous experience summary and construction management should be strengthened to ensure the installation quality of corrugated beam anti-collision guardrail.