Assessment of Seismic Integrity of Multi-Span Curved Bridges in Mid-America

Part I: Implications of Design Assumptions on Capacity Estimates
and Limit States of Multi-Span Curved Bridges

Summary 3

Introduction . 4

Structural and Geotechnical Characteristics . 5

Structural and Foundation Modeling . 7

Limit States and Analysis Procedure . .11

Dynamic Characteristics and Model Verification . .14

Capacity Estimates and Prioritizing Limit State . .17

Conclusions . .22

Acknowledgment . .24

References . .25


Part II: Comparative Assessment of the Designed and As-Built Simulations
of Complex Bridges Subjected to Increasing Earthquake Intensities

Summary . . 3

Introduction . . 4

Ingredients of the Assessment Study . . 5

Selection of the Dynamic Analysis Parameters . . 8

Demand Predictions at the Design Earthquake . .10

Demand Predictions at Twice the Design Earthquake . .19

Conclusions . .22

Acknowledgments . .24

References . .25



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