This paper presents the development and experimental validation of a multi-hazard bridge pier concept, i.e., a bridge pier system capable of providing an adequate level of protection against collapse under seismic and blast loading. A multi-column pier-bent with concrete-filled steel tube (CFST) columns is the proposed concept, and the adequacy of this system is experimentally and analytically ...

The continuous rigid frame bridges are more sensitive to wind action with the increase of bridge span and pier height. In order to calculate the wind induced buffeting responses, the fluctuating wind field at bridge site are simulated by harmonic synthesis method and the wind loads are also derived based on the simplified quasi-steady theory, the time-history dynamic responses of the bridge are...

Abstract Bridge pier is a common feature in hydraulic structure. Its impact to the river usually occurs group form rather than single pier, so this challenging piers-group influence towards hydraulics and turbulence needs be explored. In paper, measurements were conducted using an Acoustic doppler velocimeter (ADV) study velocities three dimensions (longitudinal, transversal, vertical). Based o...

In this paper we describe our initial experiences with deploying and running PIER, a distributed query processor, on 200 nodes of the PlanetLab network testbed. Through use cases, we show that PIER is flexible and can easily incorporate new data sources without a priori knowledge of their schemas. We highlight of number of important features in PIER used in our use cases, including in-network a...

In this work, the performance of reliability methods for probabilistic analysis local scour at a bridge pier is investigated. The one important issues risk assessment and safety evaluation bridges. Typically, depth prediction estimated using deterministic equations, which do not consider uncertainties related to parameters. To these uncertainties, required. recent years, number efficient have b...