risa webinar failures anchor bolt steel concrete breakout (cone) anchor bolt pullout side‐face...
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RISA WebinarRISA Webinar
Exploring Anchor Bolt Pullout Exploring Anchor Bolt Pullout p gp gwith with RISABaseRISABase
Presenter:Presenter: Matt Brown, P.E.Matt Brown, P.E.
Version 2.0.3
LATEST VERSIONLATEST VERSION
RISABase OverviewRISABase Overview
Anchor Bolt Failure ModesAnchor Bolt Failure Modes
Seismic ConsiderationsSeismic Considerations
Interpreting ResultsInterpreting Results
TOPICSTOPICS
First Released: 1998First Released: 1998
Finite Element AnalysisFinite Element Analysis
Biaxial Analysis OptimizationBiaxial Analysis, Optimization
Custom Anchor PlacementCustom Anchor Placement
RISABASE OVERVIEWRISABASE OVERVIEW
ACI‐318, Appendix DACI 318, Appendix D
2005 Edition (IBC 2006)2005 Edition (IBC 2006)
Seven Failure ModesSeven Failure Modes
Individual vs Group FailureIndividual vs. Group Failure
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Tensile FailuresTensile Failures
Anchor Bolt Steel
Concrete Breakout (Cone)
Anchor Bolt Pullout
Side‐Face Blowout
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Shear FailuresShear Failures
Anchor Bolt Steel
Concrete Breakout (Cone)( )
Anchor Bolt Pryouty
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Anchor Bolt Steel (Anchor Bolt Steel (NsaNsa))
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Concrete Breakout (Concrete Breakout (NcbNcb))
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Anchor Bolt Pullout (Anchor Bolt Pullout (NpnNpn))
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
SideSide‐‐Face Blowout (Face Blowout (NsbNsb))
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Anchor Bolt Steel (Anchor Bolt Steel (VsaVsa))
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Concrete Breakout (Concrete Breakout (VcbVcb))
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Anchor Bolt Anchor Bolt PryoutPryout ((VcpVcp))
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
Group FailureGroup Failure
ANCHOR BOLT FAILURE MODESANCHOR BOLT FAILURE MODES
25% Strength Reduction25% Strength Reduction
Seismic failure must be DuctileSeismic failure must be Ductile
D til St l i ld fi tDuctile: Steel yields first
S l t l R i f tSupplemental Reinforcement
SEISMIC CONSIDERATIONSSEISMIC CONSIDERATIONS
ExampleExample
W14x99
3‐0” x 3’‐0” Pedestal
Dead + Live + Earthquake
Uniaxial Bending
INTERPRETING RESULTSINTERPRETING RESULTS
Questions?Questions?Please let us know if you have questions.
W ill i i i d i hWe 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 the Quick Reference Guide, to our website: www.risatech.com
For further information, contact us at: [email protected]
Thank you for Attending!Thank you for Attending!