Rotation angle for slab items and panels

Tekla Structural Designer
2021
Tekla Structural Designer

Rotation angle for slab items and panels

The rotation angle in the slab item/panel properties is used to control the span direction. For reinforced slabs the X direction reinforcement is aligned to the span.

Note: When SpanDirection is switched on in Scene Content, the rotation angle/X direction is represented by a blue arrow.

Slab items and panels defined by a level

When the rotation angle/X direction = 0

  • Span direction aligns with global X

When the rotation angle/X direction = 90

  • Span direction aligns with global Y

Panels defined by a frame

When the rotation angle = 0

  • Span direction is horizontal

When the rotation angle = 90

  • Span direction is vertical

Slab items and panels defined by a sloped plane

Note: In a sloped plane positive Y is always aligned to the up-slope direction, so that positive X is always perpendicular to the slope.

When the rotation angle/X direction = 0

  • Span direction aligns with X direction of the slope (i.e. perpendicular to the slope, as shown below)

When the rotation angle/X direction = 90

  • Span direction aligns with Y direction of slope (i.e. parallel to the slope, as shown below)
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