masonry design in risa - risa - structural engineering ... · overview today’s topics a brief...
TRANSCRIPT
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Matt Brown, S.E.
RISA TECHNOLOGIES WEBINAR
Masonry Design in RISA
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OVERVIEW
Program Version
v11.0.2
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OVERVIEW
Today’s Topics
A Brief Review of Wall Panels
In-Plane Design
Out-of-Plane Design
Masonry Design Rules
Design Results (ASD vs Strength)
Wall Stiffness (Diaphragms and Deflection)
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WALL ANALYSIS
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WALL ANALYSIS
Wall Regions
Vertically Spanning Regions
Transfer Regions (Horizontal)
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WALL ANALYSIS
In-Plane Design
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WALL ANALYSIS
Out-of-Plane Design
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WALL DESIGN RULES
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UNITY CHECK
Max Bending Chk -Wall will be optimized to not exceed this value for bending/axial U.C.
Max Shear Chk -Wall will be optimized to not exceed this value for shear U.C.
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MASONRY WALL
Block Nom Width -Nominal Width of Wall
Block Grouting -Ungrouted, Partial, or Fully
Reinforced -Allows Unreinforced Walls
Wall Area Method -NCMA (Face Shell Mortar Only) or RMEH (Mortar Bed includes Webs)
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IN PLANE
Bar Sizes -Vertical and Horizontal
Boundary Zone -Specify limits for Width
Bars per Cell -One or Two
1.5x Shear Increase -Shear Stress Increase for Seismic (older codes only)
Transfer Load -If checked, no reinf. Bridges Load to adjacent regions
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OUT OF PLANE
Bar Size -Vertical
Bar Spacing -Specify limits for Spacing
Bars Placement -Centered, Each Face, or Staggered
Mortar and Cement Types
Transfer Load -If checked, no reinf is used. Spans Horizontally
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LINTEL
Depth -Should be in increments of 8”
Bar Size -Bending Steel and Stirrups
Layer Information -Allows Multiple Layers (deep) of rebar
Bearing Length -Defines how lintel bears on adajcent regions
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ADDITIONAL RESOURCES
RISA Help File
RISA General Reference Manual
www.risa.com
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THANK YOU FOR ATTENDING
Questions? Please let us know if you have questions. We will answer as many questions as time permits during the webinar. Once the webinar is closed, we will post all Q&A’s, as well as any supporting materials to our website:
www.risa.com
For further information, contact us at: [email protected]