Modeling Curved Frames, Walls and Floors
ETABS has various options to draw non-straight frames , walls and floors, they can be chosen using options indicated below:
Arc (3 points)
This option can be used for frames , walls (plan) and floors
Select 1s point start of arch
Select 2nd point end point of arch
Select radius of arch
In the case of floor element additionally at least two straight lines are required
Arc center and 2 points
This options can be used for frames, walls(plan) and floors
Select start point of arch
Select center of arch
Select end point of arch
In case of floors need to close arch with straight lines or enter
Bezier curve
Available for frames only
Refer to page below for information about bezier lines:
https://en.wikipedia.org/wiki/B%C3%A9zier_curve
Select first point
Select last point
Select points in between first and last and ENTER to finalize curve
Spline
Splines are available for frames only, more information about splines can be found on page below: https://en.wikipedia.org/wiki/B-spline
Draw using a control frame/polygon
Select first point
Select last point
Select points in between first and last and ENTER to finalize curve
