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An analytical line is the representative of the FE model for i) beams and ii) walls. It is mentioned as “analytical beams” and “analytical walls” in the AEC|BOLT AUTOCAD App, respectively.
(The prefix abbreviations “AB-” and “AW-” are used as default with the corresponding member number: AB-1, AW-3, etc.)
From a mathematical point of view, two points and one line forms an analytical line. Drawing a line between two concerned points results in the generation of an analytical line in the AEC|BOLT AUTOCAD App. In case of a discontinuity on a straight line between the two points, breakpoint(s) should be pointed at the discontinuity stations of the discontinuity. . A discontinuity may be due to:
-change of cross-section
-interfering with another member
-offset on plan/elevation view
Figure 1a represents the formwork plan of a group of shear walls and beams. Overlaying the architectural/structural drawing in the AEC|BOLT AUTOCAD App, this is the drawing is generated.
The information comes out by drawing in Figure 1a is transformed into:
-3D model
-Geometry for the construction documents
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Figure 1a
Breakpoint:
A breakpoint is defined in case of a discontinuity along a straight analytical line.
Figure 1b illustrates the analytical wallline definitions of the walls for the same layout.
The wall between beams B1 and B3 is a straight line with a change in cross-section in the analytical line named AW 12.
On the AW 12, two points represent the breakpoints due to the change of thickness.
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Figure 1b
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Figure 1c
Breakpoint:
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Figure 1c provides the view of the relationship between the analytical walls and the analytical beams.
The information comes out by drawing in Figure 1c is transformed into:
-The mathematical model for the finite element analysis
-The pieces of structural members to be verified regarding code checks
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Figure 1c