In recent decades, the demand for complex and economical engineering structures with great aesthetics has been on rise cable stayed bridges also take their share of this interest. Besides many advantages cable-stayed are quite flexible, hence susceptible mainly to dynamic actions such as impact loads, wind effects seismic excitations. context, study focused effect A H shape reinforced concrete ...

The West Gate Bridge, intended to span the Yarra River in Australia, collapsed during its third year of construction in 1970. Investigation into the project revealed numerous issues in the bridge's design and construction. The West Gate Bridge is one of a number of box girder bridges built during the mid 2 0 th century, and was one of four to fail in a three year period. An overview of the desi...

This paper presents a computational framework for optimal design of non-prismatic reinforced concrete box girder bridges. The variables include the geometry of the cross section, tapered length, concrete strength and reinforcement of box girders and slabs. These are obtained by the enhanced colliding bodies optimization algorithm to optimizing the cost and again CO2 emission. Loading and design...

As one of the main characteristics of seismic waves, apparent wave velocity has great influence on seismic responses of long-span suspension bridges. Understanding these influences is important for seismic design. In this article, the critical issues concerning the traveling wave effect analysis are first reviewed. Taizhou Bridge, the longest triple-tower suspension bridge in the world, is then...

Based on the shaking table test, seismic responses of main parameters two-span skew bridge were gutted. The finite element model test was established by analysis software OpenSEES. An improved single beam quality distribution proposed. stiffness end twice that actual beam, rather than rigid arm. At same time, mass distributed in way shares half and beams at both ends share half, taking into acc...

The main aim of this paper was to propose a new reliability index for steel structure assessment and check it using the example popular Pratt truss girder. Structural analysis completed in finite element method system Autodesk ROBOT, probabilistic implemented computer algebra software MAPLE. stochastic (SFEM) contrasted here with Monte Carlo simulation girder span selected as input structural u...

One of the main goals in design girder bridge deck systems is to determine cross-sectional distribution live loads across different girders that make up cross-section deck. Structural grillage models and current standards based on a Load Distribution Factor (LDF) provide oversized designs, as demonstrated this paper. This research introduces novel method allows decks be calculated by applying m...