Effect of Pylon Height on Cable Stayed Bridge

Cable stayed bridges are now a day’s main option for long span bridges. In cable stayed bridge cable transmits reaction forces of deck to pylon; and pylon transmit load of cable to foundation. There are some criteria for pylon height that is Span/5 to Span/4. Now question is that which exact height of pylon is more effective under this criteria. In this paper different height of pylon has been taken to study which height of pylon is more effective.