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- W2363529414 abstract "Zhanhe Bridge of Chengdong Road in Pingdingshan is a leaning-type arch bridge.Its inner arches lean outward and its outer arches lean inward,which constitute its combinational arch ribs and make space structural system with tied beams and transverse beams.In order to acquire the dynamic characteristics of this type of bridge,which is rare in constructional application,its space dynamic characteristics need to be analyzed.According to the structural characteristics of the bridge,its space finite element computational model is set up.The first 15 orders of period and modes are obtained by the ANSYS program.The result indicates that the transverse stiffness of this bridge is smaller than its vertical stiffness and the transverse vibrations of arches occupy the main part of its lower order modes.The results reveal that there exist considerable differences of the arch ribs between the stiffness in plane and the stiffness out of plante.Meanwhile the transverse stiffness of the bridge is smaller than its vertical stiffness and the transverse vibrations of arches occupy the main part of its lower order moodes.It also incdicates that the natural vibration period of the bridge is relatively large and vibration modes are close." @default.
- W2363529414 created "2016-06-24" @default.
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- W2363529414 date "2005-01-01" @default.
- W2363529414 modified "2023-09-28" @default.
- W2363529414 title "Study on Dynamic Characteristics of Leaning-type Arch Bridge" @default.
- W2363529414 hasPublicationYear "2005" @default.
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