Longitudinal bars configuration entry

Configuration TT floor: calculation

The following definitions apply to ribs and topping slabs of TT floors.

'General' tab

Rounding:

Rounding of longitudinal bar lengths:

Don't: no rounding of bar lengths.

Exact: 1-4 = rounded down, 5-9 = rounded up

Round up: longitudinal bars are rounded up to the value given in "Rounding value".

Round down: longitudinal bars are rounded down to the value given in "Rounding value".

Rounding value:

[m] The lengths are rounded to this value.

Minimum length:

[m] Shorter bar lengths are omitted.

Cut with recesses:

[m] Minimum length / Minimum width

If a recess is smaller than the value entered, then the longitudinal bars are not cut with the recess.

Remove alternate bar overlap and bending shape at start/end of bar:

If this check box is selected, then the alternate bar overlap and bending shape at the start or end of the bar are removed.

The first bar is shortened:

anywhere, at end of bar, at start of bar

Use this to specify where the bar overlap and bending shape are removed from the first bar.

'Layers' tab

The following parameters are available for bars in the 1st and 2nd layers and, in the case of ribs, for bars in the 3rd layer:

Bending shape is:

invalid / valid

A bending shape defined at an edge can be used or removed from the longitudinal bars in the appropriate layer.

Bar overlap:

as entered: the overlap defined for an edge is used. The following fixed value is used if the bar overlap is zero.

use SetValue: regardless of the overlap defined for the edge, the following fixed value is used unless manual entry produces a useful shortening value.

SetValue (bar overlap = 0):

[m] Fixed value for bar overlap at panel edges. This value is used even if the bar overlap is zero.

Bar overlap at recesses:

[m] Fixed value for bar overlap at recess edges. This value is only used if neither a smart fixture symbol nor manual entry produces a useful value.