The construction of cable stayed bridge increase day by day. reason behind this is because the aesthetic beauty and uniqueness in structure. This work deals with study dynamic analysis different pylon arrangements. transmits reaction forces deck to pylon. Pylon load foundation. pylons ‘H’ shape, ‘Inverted Y’ ‘Diamond’ shape & ‘Needle’ arrangement were considered. MIDAS CIVIL software used m...

In the design of a structure, one of the most difficult parameter to assess is how the initial condition of a structure will change with time. During its life span, a structure can be subjected to different loads, changes in geometric configuration and even changes in its mechanical properties. Among all factors that can affect the geometrical reconfiguration of a structure (i.e. settlements an...

This paper presents a methodology to optimize the cable system in cable-stayed bridges, whose main novelty is take into account accidental breakage of one within design process. To this end, multi-model optimization strategy proposed by establishing constraints on both intact and damaged models. The dynamic effect accounted for models application impact loads at tower deck anchorages. objective...

This paper presents a semi-active strategy for seismic protection of a benchmark cable-stayed bridge with consideration of multiple-support excitations. In this control strategy, Magnetorheological (MR) dampers are proposed as control devices, a LQG-clipped-optimal control algorithm is employed. An active control strategy, shown in previous researches to perform well at controlling the benchmar...

According to the design requirements of super long-span pedestrian landscape cable-stayed bridge in Lake view Park, a kind sightseeing tower-style three-tower structure system was proposed. Sightseeing tower type and duck egg arched replace traditional structure. Through establishment Midas finite element analysis model, dynamic modal research carried out. The shows that: are combined into one,...