Spacer bars for reinforcement of concrete structure - are made from fibre reinforced concrete of waisted section

摘要

The steel reinforcing bars (6) of a concrete structure are supported in their required positions, while the concrete is being poured between the shuttering (5), by means of curved spacer bars (1a). These bars are made of fibre reinforced concrete and have a cross-section which is wider at the upper and lower edges and of reduced width in the middle part. The section may be symmetrical about the vertical axis (MV) or it may have a recess on one side only. USE/ADVANTAGE - The cross-section of the spacer bar enables it to form a firm bond with the concrete of the structure.