CONTROLLER DESIGN FOR CABLE-STAYED BRIDGE OF CAPE GIRARDEAU, MISSOURI, USA SUBJECTED TO EARTHQUAKE

DHARMAWAN, UNTUNG ADI (2010) CONTROLLER DESIGN FOR CABLE-STAYED BRIDGE OF CAPE GIRARDEAU, MISSOURI, USA SUBJECTED TO EARTHQUAKE. S1 thesis, UAJY.

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Abstract

The benchmark for the cable-stayed structure was created by Dyke et al (2002) based on the detailed drawings of Bill Emerson Memorial Bridge located in Cape Girardeau, Missouri, USA. The construction of the bridge has been completed in 2003. Arfiadi and Hadi (2006) developed the active continuous bounded controller, which is a modification of bang-bang controller. The proposed system is then applied to the bridge model. The model is then subjected to three earthquakes, they are El Centro (1940), Mexico City (1985), and Gebze(1999). In this work, the performance of active continuous bounded controller is investigated compared to other controllers. The result shows that the controller has successfully reduced the bridge responses to all three earthquakes, except the shear at the deck level and the displacement of the deck. Therefore, extra measures must be taken to use the controller.

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