Beam Curtailment

Up to end of 2020 versions:-

From 2021 versions:-

These rules are used during the Automatic Design (AutoDesign) of beams, columns and pads. The beam curtailment and detailing methods may be overridden manually after AutoDesign.

Beam Curtailment methods

Up to 2020 From 2021

Note: This particular menu can only be accessed when a beam is selected, i.e. not a column or pad.

Beam reinforcement can be detailed in 1, 2 or 3 zones.

1 Zone Design

2 Zone Design

3 Zone Curtailment

3 Zone Double Curtailment

The 3 zone design has 4 curtailment methods as follows:

Simple Only	Curtailed to the BS 8110 simplified rules only based on span ratios. No account is taken of the BM diagram and failure may occur.
Detailed	Curtailed to the BM diagram.
Detailed + Double	Double curtailed to the BM diagram. This causes 2 sets of main bars to be used in each zone with different curtailment points.
Detailed + Simple	Curtailed to the BM diagram and the BS 8110 simplified rules.