Contents

Editorial

233　IABSE, a Framework for New Challenges

　  T. Vogel; Switzerland

Science and Technology

234  Toward Practical Advanced Analysis for Steel Frame Design

  W.-F. Chen; USA

240  A Study on the Response of Multi-Storey Buildings to Near-Fault Ground Motions

  B. Kumar, B. Srinivas, B. K. R. Prasad; India

249  Pushover Analysis: Proposals for Modification

        S. C. Dutta, A. Raychaudhuri, S. Chakroborty, R. Roy; India

256  Crack Width Evaluation of Reinforced Concrete Membrane Elements

        L. Giodano, G. Mancini; Italy

Reports

262  The Chiani Suspension Bridge: A Complete Overhaul

        M. Petrangeli, M. Petrangeli; Italy

271  Spanning the Rhine River with a New Cable-Stayed Bridge

        H. Löckmann, G. A. Marzahn; Germany

277  Reconnaissance and Preliminary Observations of Bridge Damage in the Great Wenchuan Earthquake, China

Z. Liu; China

283  A Life Cycle Inventory of Structural Engineering Design Strategies for Greenhouse Gas Reduction

         J. E. Anderson, R. Silman; USA

289  Avoiding Disproportionate Collapse of Major Bridges

U. Starossek; Germany

298  Experimental Evaluation of Synchronisation in Footbridges due to Crowd Density

        M. C. Araújo Jr., H. M. B. F. Brito, R. L. Pimentel; Brazil

Reports on Rockfall Protection Structures

304  Rockfall Protection: Introduction

T. Vogel, N. P. Høj; Switzerland

304  Rockfall Protection as an Integral Task

        T. Vogel,V. Labiouse; Switzerland, H. Masuya; Japan

313  Numerical Impact Response Analysis of Rockfall Protection Galleries

        N. Kishi, S.-Y. Okada, H. Kon-No; Japan

321  A Dynamic Design Method for Rockfall Protection Galleries

        K. Schellenberg; Denmark, T. Vogel; Switzerland

327  Flexible Rockfall Barriers Subjected to Extreme Loads

        A. Volkwein, A. Roth, W. Gerber, A. Vogel, Switzerland

333  Rockfall Impact Parameters on Embankments: A Discrete Element Method Analysis

        J.-P. Plassiard, F.-V. Donzé; France

342  An Uncoupled Approach for the Design of Rockfall Protection Tunnels

        F. Calvetti, C. di Prisco; Italy

Panorama

348　IABSE Workshop 2009 and Chinese Bridge Tour on Recent Major Bridges

351  Plaque Unveiling Ceremony at The Shanghai Lupu Bridge

352  Plaque Unveiling Ceremony at The Copenhagen Opera House

352　New SEI Rubric: Recent PhD Abstracts Call for Abstracts

354  Calendar of Events and IABSE Members’ Business Cards

356  Application for IABSE Membership