Kappos / Saiidi / Aydinoglu Seismic Design and Assessment of Bridges

Inelastic Methods of Analysis and Case Studies
2012
ISBN: 978-94-007-3943-7
Verlag: Springer Netherland
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, Band 21, 224 Seiten, eBook

Reihe: Geotechnical, Geological, and Earthquake Engineering

The book focuses on the use of inelastic analysis methods for the seismic assessment and design of bridges, for which the work carried out so far, albeit interesting and useful, is nevertheless clearly less than that for buildings. Although some valuable literature on the subject is currently available, the most advanced inelastic analysis methods that emerged during the last decade are currently found only in the specialised research-oriented literature, such as technical journals and conference proceedings.

Hence the key objective of this book is two-fold, first to present all important methods belonging to the aforementioned category in a uniform and sufficient for their understanding and implementation length, and to provide also a critical perspective on them by including selected case-studies wherein more than one methods are applied to a specific bridge and by offering some critical comments on the limitations of the individual methods and on their relative efficiency.

The book should be a valuable tool for both researchers and practicing engineers dealing with seismic design and assessment of bridges, by both making the methods and the analytical tools available for their implementation, and by assisting them to select the method that best suits the individual bridge projects that each engineer and/or researcher faces.

Zielgruppe

Research

Autoren/Hrsg.

Kappos, Andreas J

Saiidi, M. Saiid

Aydinoglu, M. Nuray

Isakovic, Tatjana

Inhaltsverzeichnis

Preface Contributors 1  IntroductionAndreas J. Kappos 2  Modelling of Bridges for Inelastic AnalysisM. Saiid Saiidi, Antonio Arêde, Donatello Cardone, Pedro Delgado, Mauro Dolce, Matej Fischinger, Tatjana Isakovic, Stavroula Pantazopoulou, Gokhan Pekcan, Rui Pinho, and Anastasios Sextos2.1  Introduction 2.2  Superstructure (Deck)2.2.1 Deck Types, Sectional Layouts and Properties 2.2.2 The Role of Deck Modelling in Seismic Assessment2.2.3 Effects of Skew and Curvature in Plan2.2.4 Verification of Deck Deformation Demands2.3  Bearings and Shear Keys2.3.1  Modelling of Bearings2.3.2  Mechanical Bearings (Steel Bearings)2.3.3 Modern Bearing Types2.3.4 Modelling of Shear Keys2.4  Isolation and Energy Dissipation Devices2.5  Piers2.5.1  Modelling for Seismic Response of Columns in Reinforced Concrete Bridges 2.5.2 Finite Length Plastic Hinge Model2.5.3 Distributed Flexibility Based Element Model2.5.4 Two and Three-Dimensional FEM Discretizations2.5.5 Example 1 on Fiber Model Application2.5.6 Example 2 on Fiber Model Application2.5.7 Analytical Modelling of Hollow Box Columns2.6  Modelling of dynamic interaction between piers, foundation and soil2.6.1 Pseudo-static Winkler approach2.6.2 Linear Soil-Foundation-Bridge Interaction Analysis in the Time Domain2.6.3 Nonlinear Soil-Foundation-Bridge Interaction Analysis in the Time Domain2.7 Modelling of Abutment-Embankment-Superstructure Interaction2.7.1 Simple P-y Relationships for Modelling Embankment-abutment Systems2.7.2 Typical Bridges Studied2.7.3 Modelling of the Abutment-Foundation-Backfill-Embankment Systems2.7.4 Proposed P-y Relationships for Typical Abutment-Embankment Systems and Comparison with Caltrans Guidelines3 Methods for Inelastic Analysis of BridgesM. Nuray Aydinoglu, Matej Fischinger, Tatjana Isakovic, Andreas J. Kappos, and Rui Pinho 3.1 Introduction3.2 Nonlinear Response History Analysis (NRHA) procedure3.3 Nonlinear analysis procedures based on pushover analysis3.3.1 General3.3.2 Historical vs. contemporary implementation of pushover analysis3.4 Single-mode pushover analysis procedures 3.4.1 Single-mode pushover analysis procedure with invariant load patterns: The N2 Method3.4.2 Single-mode pushover analysis procedure with adaptive load or displacement patterns3.5 Multi-mode pushover analysis procedures 3.5.1 Multi-mode procedure based on independent modal pushover analyses with invariant load patterns: The MPA (Modal Pushover Analysis) Method3.5.2 Simultaneous multi-mode pushover procedure with modal adaptive displacement patterns: The Incremental Response Spectrum Analysis (IRSA) Method3.5.3 Multi-mode procedures based on single-run pushover analysis with modal combined adaptive load or displacement patterns4 Case studies and comparative evaluation of methodsTatjana Isakovic, Antonio Arêde, Donatello Cardone, Pedro Delgado, Matej Fischinger, Andreas J. Kappos, Nelson Vila Pouca, Rui Pinho, and Anastasios Sextos 4.1 Introduction4.2 Basic parameters that influence the applicability of pushover methods4.3 Case studies – comparison of alternative methods4.3.1 Case study 1: Single-mode and multimodal pushover, and dynamic response history, analyses of bridges4.3.2 Case study 2: Pushover and dynamic response history analyses of bridges4.3.3 Case study 3: Comparison of four different NSPs in the assessment of continuous span bridges 4.3.4 Case study 4: Performance-based seismic assessment of simply supported deck bridges4.4 Experimental evaluation of analytical methods4.4.1 Applicability of analytical methods to the seismic analysis of RC bridge, experimentally tested on three shake tables4.4.2 Numerical studies of RC bridge, supported by hollow box columns, which was tested pseudo-dynamically 5 Conclusions and RecommendationsAndreas J. Kappos and Tatjana Isakovic Index