Analysis Of Hps And Mild Steel In Cable Stayed Bridges

Harsh kataria, Krapanshu Khandelwal, Nikita Thora


The Bridge is among one of the finest and the greatest invention of mankind which allows us to travel over an obstacle without closing the way beneath. The required passage may be for a road, a railway, pedestrians, a canal or a pipeline. Over the centuries many types of bridges are being designed and the cable stayed bridge has received much attention due to its formation over large span and its extremely elegant appearance makes it an architectural landmark. Bridge design should be effective enough to bear any possible load in future. The material plays a vital role in providing adequate strength to the bridge structure and the construction cost is also a primary factor which should be considered after the strength and the stability of the bridge structure. The cost of the bridge can be reduced by replacing conventional material and adopting high performing alternatives.  Due to its low tensile strength the replacement of mild steel is needed for long span bridges. The material such as high performance steel (HPS) which has high tensile strength, weld-ability, cold formability and corrosion resistance can be a very good alternative. The main focus of the paper is to examine the performance of the material mild steel (MS) and high performance steel (HPS) in cable stayed bridge. The analysis and design is carried out using STAAD PRO V8i software. The analysis is based on the values of shear force on bridge element along x, y and z-axis and the moment along x, y and z-axis using mild steel and HPS steel in cable stayed bridge.

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