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We will start modelling from top to bottom.
Modelling Of Upper Roof
Go to Roof → Overlay
Select Xref drawing as Roof Linked Drawing
Click OK
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Zoom in and start drawing. Since Upper upper roof drawing is the top floor plan there in no column or shear wall above. We will draw slab and beam objects.
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Go to Roof → Overlay
Select Xref drawing of 8th Floor linked drawing
Unselect Roof linked drawing
Click OK
Now you see the shear wals below.
Go to Roof → Shear Walls
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Click Shear Wall to start drawing
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You can select shearwall drawing by right clicking on spreadsheet and selecting in AutoCAD.
You must draw analytical wall to shear wall for finite element analysis calculations and for exporting floor models to SAFE correctly.
Spreadsheet Data → Analytical Walls
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Click Analytical wall to draw.
You must draw a straight line from mid point of one edge to mid point of other edge of shear wall. If shearwall is not straight you must draw analytical walls for each directions of shear parts.
Corner intersection of two analytical walls linked to one shear wall must be as shown below.
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Edit analytical wall properties such as thickness from spreadsheet as shown below.
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If an analytical wall intersects another from middle, create break point on intersection point as shown below.
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Go to interrupted analytical wall on spreadsheet
Click No Break Pts
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Draw line starting from start point of analytical wall to intersection point
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Continue drawing to end point of analytical wall
Hit ESC
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You can edit thickness or refline offset of analytical wall parts interrupted by break points with different values by entering “,” between values as shown above.
We will create an opening on shearwall as shown below.
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Go to analytical wall which opening will be drawn
Click elevation view
Click Wall Opening → select rectangle shape
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You must consider point locations on plan and elevation view.
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Draw a rectangular opening with dimensions above.
We will draw the shear wall below different from above because this shear wall has closed shape.
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Spreadsheet → Shear Walls
Click Shear Wall
Draw outer polygon of shear wall
Click Plan View Cutout
Draw inner polygon of shearwall
Hit ESC after drawing
Shear walls 3D view must be as below after updated.
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