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http://dx.doi.org/10.5762/KAIS.2019.20.6.210

Study on Modeling and Arrangement of Link-Shoes for Torsional Control of S-shaped Pedestrian Cable-Stayed Bridge  

Ji, Seon-Geun (Department of Civil Engineering, University of Seoul)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.6, 2019 , pp. 210-218 More about this Journal
Abstract
Recently, cable-stayed bridges have been attempting to apply bold and experimental shapes for aesthetic and originality. In the case of bridges that have no similar cases, deep understanding and verification of analytical modeling is needed. S-shaped curved pedestrian cable-stayed bridge is always twisted because the cable is arranged on one side of the inverted triangular truss girder. In order to suppress the torsion, the Link-shoes are arranged at the left and right top members with reference to the Bearing placed at the mid-bottom member. The first research is related to the modeling method of Link-Shoe and Diaphram. In order to accurately reflect the transverse structural system and the torsional stiffness, it was necessary to model the Link-Shoe and the Diaphram directly rather than indirectly using the stiffness of the Bearing. The second study is related to the lateral arrangement of Bearing and Link-Shoes. Method 1 is to place in order of Link-shoe, Bearing, and Link-shoe from outside the curve radius. Method 2 is place to in order of Bearing, Bearing, and Link-shoe. In method 2, compared to method 1, the stress in the outer top member was larger and the stress in the inner one was decreased. It is analyzed that the stress adjustment is possible according to the lateral arrangement of Bearing and Link-Shoe.
Keywords
S-shape Curved Pedestrian Cable Stayed Bridge; Inverted Triangular Truss; Modeling of Link-Shoe; Diaphram; Arrangement of Bearing and Link-Shoe;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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