6/18/09

Analytical Problems Were Solved



How Scalled Nisqually Earthquake 2001 affect Johnson St. Bridge










What is the real capacity and safety margins embedded in reinforced concrete T girder (model for the symmetrical half of the girder)?



Suspended cable geometry and bridge analysis










Nonlinear Analysis for Vehicular Collision  Impact on Pedestrian Bridge Piers 

  
Match the cracks between the existing inspected girder and the FE model




The crack patterns, formation and propagations.




The stiffness degradation in terms of Load-Displacement Curve.













Different models and nonlinear analysis for concrete curved slab bridge






3D Grillage for two typical spans of simply supported bridge










Seismic Analysis for approx. 2 KM light rail transit bridge. (segmental box girder post-tensioned externally)







3D FE Modeling for box girder bridge and two mode shapes.







Ductile replaceable joint connection between pre-tensioned cap and steel pipe













Residential building including freestanding staircase, curved beam folded plates and shell.










Nonlinear analysis of cable stayed bridge during incremental launching.













Modelling the concrete abutment of railway bridge, representing the potential cracks.










Smeared crack modeling of skewed pier.














Analysis and evaluation of existing massive concrete pier.















Evaluation of a concrete girder was colided by vehicle at mid-span, representing the failure mode and the changes in the concrete strains as well as reinforcement strains.










Response spectrum analysis for existing bridge.






Response spectrum analysis for retrofit solution.









Stress distribution during the increase of loads in a reinforced concrete section (Nonlinear Analysis).








3D model for rigid frame underpass.












Utilizing the unknown load factor to find the optimal cable force layouts.
















Integral abutment behavior from vehicular loads and temperature variations