Combined lower and upper bound plastic analysis: better than the sum of its parts International Bridge Forum September 2009 Andrew Jackson/ Dr Campbell Middle ton
Combined lower and upper bound plastic analysis:better than the
sum of its partsInternational Bridge Forum
September 2009
Andrew Jackson / Dr Campbell Middleton
Bridge Slab
Model test
Bridge Slab: Load Test
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Elastic grillage analysis
Bridge Slab: Elastic Analysis
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Bridge Slab: Yield Line Analysis
Plastic upper bound analysis
HogSag
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mx
my
mxy
Plastic lower bound analysis
Bridge Slab: Lower Bound Analysis
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Combined lower and upper bound plastic analysis
Bridge Slab: Independent Lower and Upper Bound Plastic
Analysis
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Tyne Tunnel: Lower Bound Analysis
Tyne Tunnel: Upper Bound Analysis
Results agree to within 1%
Combined lower and upper bound plastic analysis: better than the
sum of its partsBridge SlabBridge Slab: Load TestBridge Slab:
Elastic AnalysisBridge Slab: Yield Line AnalysisBridge Slab: Lower
Bound AnalysisBridge Slab:Slide 8Slide 9
