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Overview Once again RISA Technologies, LLC abandons
approximate methods for a better solution. RISAFoot provides
the only exact solution for spread footings in biaxial loading
with uplift. Optimize your spread footings and handle
eccentric pedestals and bounding property lines with RISAFoot.
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Loads
You can apply vertical loads, shears, and moments, in both
directions simultaneously. Self weight and overburden are
calculated automatically. |
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Soil
RISAFoot will calculate EXACT biaxial soil bearing distributions
using advanced computational methods. Don't settle for
approximate biaxial solutions, or even worse, design for biaxial
loading by combining two separate uniaxial analyses. |
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Footing
RISAFoot determines the optimum footing length, width and
thickness to satisfy soil bearing, bending, shear, uplift, and
boundary criteria.
Top and bottom reinforcement is specified
in both directions. Details may be exported to DXF files. |
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Pedestal
RISAFoot gives a full pedestal design for axial loads, biaxial
bending and shear. Longitudinal bars, development and ties are
specified and supporting design information is reported. |

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Overturning & Sliding
RISAFoot separates load contributions for overturning and
stabilizing forces, satisfies the desired factor of safety and reports the overturning
and stabilizing moments. Sliding checks verify that the applied forces can be resisted
by the calculated soil friction force and user defined passive soil resistance. |
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Feature Specifications |
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- Supports axial loads with shear and bending in orthogonal directions
- Complete ACI 318-95, 99, 02 code checking
- Automatic sizing of the footing length, width and thickness
- Eccentric pedestal locations
- Boundary options to restrain footing growth in both directions
- Complete pedestal design for axial loads, biaxial bending and shear
- Exact soil bearing profiles with contoured results
- Specify Net or Gross allowable bearing with optional increase factors
- Steel layout provided for top and bottom bars in both directions
- Steel layout provided for pedestal bars, development length and ties
- Service load sliding checks
- Overturning checks with customizable safety factor
- Exported footing details to DXF files
- Custom spreadsheets with copy, paste, fill and math capability
- Unlimited Loads and Load Combinations defined in spreadsheets
- Extensive and customizable reporting options
- Extensive context sensitive online help
- Use any units system and change units at any time
- Easy retention of default values
- Integration with RISAFloor, RISA-3D and RISA-2D versions
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