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Design Type
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There are two types of design one is calculate dimension another is set dimension:
- Calculate Dimension - The footing size will be checked and resized to the smallest size which meets all specified loads; ranging between the minimum and maximum dimensions provided (inclusive). Calculate dimension is set by default.
- Set Dimension - then the minimum dimensions will constitute the only footing size checked.
Tip: Separate jobs can be created to design different footings using different design types.
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Minimum Length (Fl)
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Specify the minimum length (direction parallel to the X axis) to be used for the footing design, along with unit.
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Minimum Width (Fw)
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Specify the minimum width (direction parallel to the Y axis) to be used for the footing, along with unit.
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Minimum Thickness (Ft)
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Specify the minimum thickness (direction parallel to the Z axis; or out-of plan dimension) to be used for the footing, along with unit.
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Maximum Length (Fl)
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(Calculate only) Specify the maximum length (direction parallel to the X axis) to be used for the footing design, along with unit.
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Maximum Width (Fw)
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(Calculate only) Specify the maximum width (direction parallel to the Y axis) to be used for the footing, along with unit.
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Maximum Thickness (Ft)
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(Calculate only) Specify the maximum thickness (direction parallel to the Z axis; or out-of plan dimension) to be used for the footing, along with unit.
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Dim Increment Along Global X / Z
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(Calculate only) Specify the length and width increments to be used when performing footing design, along with unit. This allows you control over how to step footing sizes in design results.
Tip: You can "fix" the length (X direction) or width (Z direction) by entered 0.0 for one of these two fields. Both fields cannot be set to zero, though, for the Calculate option.
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Thickness Increment
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(Calculate only) Specify the thickness increments to be used when performing footing design, along with unit.
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Offset X / Z Direction (Oxd / Ozd)
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If the loads do not pass through the CG of the footing, specify the offset dimension in the X and Z directions (parallel to length and width, respectively), along with unit. Offsets are measured from the centroid of the foundation plan.
Note: These values may be entered as negative, so the support offset can be placed in any quadrant of the isolated footing. Overturning checks for the governing direction automatically by the program.
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Set as Default
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Select Yes to have the current parameter values set as the defaults for new Isolated Footing: Footing Geometry parameters.
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