Abstract To correctly manage the road infrastructure before and after an earthquake, it is necessary to estimate even predict seismic performance of bridge. The quantification bridge's response was present in terms displacement also based on previous research reinforced concrete bridge pier models. did define from a force lateral-displacement diagram corresponding capacity curve, calculated thr...

Taiwan is located in the rim of the Pacific Ocean. The activities of the earthquake happen frequently, which threaten the safety of the bridge in the Taiwan Island. Besides, the severe floods resulted from the typhoon or storm events can cause great damages due to the bridge scouring. The steep-sloped rivers and sand mining problems in Taiwan accelerate the degradation of the riverbed. Scouring...

Several bridge piers were visited, and their scour hole was characterized into three zones: scour, transition, mound zones. The observed onsite sorting scouring patterns recreated through flume experiments with varying pier aspect ratio (1:1, 1:2, 1:4 1:6) sediment geometric standard deviation (σg). showed that maximum depth decreased non-uniformity; 52.7 mm, 20.2 16.6 mm are the respective of ...

Recently, a benchmark problem has been developed to study seismically excited highway bridges. In the second phase of the aforementioned study, the bridge is isolated both at the abutments and at the central pier location. The isolation, though effective in reducing the superstructure responses such as mid-span accelerations, results in increased mid-span and isolator displacements. The perform...

With the development of high-speed railway in recent years, lots of researchers have been paying more and more attention to the seismic isolation of high-speed railway bridge. The equivalent linear model of hysteretic characteristics of lead rubber bearings (LRB) is presented, the computational method and the varying range of dynamic parameters effecting hysteretic characteristics of LRB are es...

In this work, the three-dimensional flow around piers in river meanders under rigid bed conditions was modeled. The software ANSYS FLUENT used to perform simulation. study carried out a 180° curve accompanied by cylindrical with diameter of 5 cm and slope angle 21° conditions. results comparisons showed that model can help simulate pattern inclined bridge bended channels acceptable accuracy. To...

An attempt was made to develop a method for sizing stable riprap around bridge piers based on a huge amount of experimental data, which is available in the literature. All available experimental data for circular as well as round-nose-and-tail rectangular piers were collected. The data for rectangular piers, with different aspect ratios, aligned with the flow or skewed at different angles to th...