This paper investigates the effect of different geometries approach embankments and guides banks on flow pattern bed shear stress values in skewed bridges compound channel using three-dimensional numerical modelling. First, model was evaluated based results existing laboratory studies. After ensuring its proper performance, elliptical guide bank three types abutments: vertical-wall, spill-throu...

Repairing deteriorated concrete bridge piers using externally wrapped FRP (fiber reinforced polymer) composites has been proven as an effective approach. This technique has also been applied to low-rise building structures. Failures in FRP-wrapped concrete structures may occur by flexural failures of critical sections or by debonding of FRP plate from the concrete substrate. Debonding in the FR...

Research was conducted to analytically investigate the blast-response and behavior of multihazard-resistant bridge piers having circular-shaped, concrete-filled steel tube (CFST) columns. Two different analysis methods, namely a single-degree-of-freedom (SDOF) dynamic analysis and a fiber-based dynamic analysis, were used for this purpose and calibrated with the maximum residual deformations ob...

A two-dimensional finite element model of a mandibular quadrant was used to examine differences in magnitude of the principal stresses from the placement of three- and four-unit bridges. The area of interest spanned the first premolar to the second molar. Loading conditions were (i) vertical and distributed and (ii) 30 degrees to the vertical and concentrated. The principal stresses were calcul...

Bridges are potentially one of the most seismically vulnerable structures in the highway system during earthquake events. It is known that the seismic performance of transportation systems plays a key role in the post-earthquake emergency management. Hence, it is necessary to evaluate both physical and functional aspects of bridge structures. The physical aspects of the seismic performance...

A local scour is the removal of bed material from around pier bridge. This considered a big problem and great concern for hydraulic engineers. They should find economic solutions this problem. The exaggerated bridge piers leads to many problems whole structure, such as stability that may lead bridge's destruction. paper aims verify depth different shapes uniform flow conditions than those done ...