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- W2389969678 abstract "The aerostatic stability is an important problem for the design and research of super long-span cable-stayed bridges with main span of kilometer-scale.By taking a super long-span cable-stayed bridge with main span of 1400mas an example,the aerostatic stability of the bridge was investigated by three-dimensional nonlinear aerostatic stability analysis,and also was compared with that of a suspension bridge with a similar main span.In addition,parametric analysis on the aerostatic stability of super long-span cable-stayed bridges was conducted involving the depth and width of the girder,structural pattern of the tower,the tower's heightto-span ratio,the side-to-main span ratio,the auxiliary piers in side span and the anchorage system of stay cables,etc,and the key design parameters and their reasonable values were presented.The results show that as being compared to the suspension bridge with similar main span,the cable-stayed bridge has greater structural stiffness and better aerostatic stability,and consequently is a suitable structure for super long-span bridges whose main span exceeds 1000m. The super long-span cable-stayed bridge can be more aerostatically stable under the cases that the girder's depth and width are increased,the inverted Y-shaped tower is used and the tower's height is increased,the side span is shortened,the auxiliary piers are installed in side span and the stayed cables are partially earth-anchored." @default.
- W2389969678 created "2016-06-24" @default.
- W2389969678 creator A5044396851 @default.
- W2389969678 date "2014-01-01" @default.
- W2389969678 modified "2023-09-23" @default.
- W2389969678 title "Study on the aerostatic stability of super long-span cable-stayed bridges" @default.
- W2389969678 hasPublicationYear "2014" @default.
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