Safety bollard, for concrete road, has stepped profile with base section embedded directly in concrete road surface

摘要

The safety bollard is made of concrete and has a stepped profile having a base section with a height of 250 mm which tapers inwards from the bottom to the top at an angle of 9 degrees to the vertical, a middle section with a height of 50 mm which tapers inwards at angle of 50 degrees to the vertical and an upper section which tapers inwards at an angle of 9 degrees having a top width of 200 mm. The overall height of the bollard is 1100 mm, the base section having a base width of 600 mm embedded in the concrete road surface, with reinforcement of the upper section provided by between 5 and 10 steel rods or cables with a diameter of between 12 and 16 mm.