Engineers, architects, planners and designers must carefully consider the effects of wind in their work. Due to slender flexible nature, long-span bridges can often experience vibrations due wind, so careful analysis is paramount. Traditionally, tunnel tests have been preferred method conducting bridge analysis. In recent times, owing improved computational power, fluid dynamics simulations are...

In this study we tried to consider effect of vertical component of  near zone earthquake (10 to 15 km far from fault) such as Kobe 1995, Northridge 1994, Loma prieta 1989 and Chichi 1999 on a concrete cable bridge by a 320m span in the middle which was built on different type of soils. The SAP software (version14) was selected because I should have done linear and non-linear time history anal...

As important links in the transport infrastructure system, cable-stayed bridges are among most popular candidates for implementing structural health monitoring (SHM) technology. The primary aim of SHM these is to ensure their integrity and satisfactory performance by behaviour over time. Finite element (FE) model updating a well-recognised approach purposes, as an accurate serves baseline refer...

Abstract This paper describes the service condition of few long span pedestrian suspension bridges in Rhodopi Mountain Bulgaria. They were built more than 50 years ago and reconstructed after 35 exploitation. Visual inspection was made summer 2021 by authors. Typical design shortcomings are presented. In conclusion some ideas for improvement their with respect to future save exploitation sugges...

The importance of bridge health monitoring and management has been recognized by authorities of long-span bridges throughout the world in recent years. The GeoSHM consortium, led by the University of Nottingham, was awarded a Feasibility Study (FS) grant in 2013 by the European Space Agency (ESA) to investigate how to use integrated GNSS and Earth Observation technologies for the structural hea...

Past earthquakes have illustrated the vulnerability of bridges to collapse as a result of large relative displacements at the hinges. In this study, Nitinol Shape Memory Alloy restrainer cables are evaluated for their potential to limit the relative hinge displacement in bridges. Shape Memory Alloys are unique metallic alloys that have the ability to sustain large elastic deformations. Experime...