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study on longitudinal wind load calculation method of cables for cable-stayed bridge
Pages: 18-22,58
Year: Issue:  1
Journal: Engineering Sciences

Keyword:  GetLinkList(KeywordFilter('cable-stayed bridgestayed cablelongitudinalwind load')'kw''CJFQ');
Abstract: Along with the expanding of span of cable-stayed bridge,wind load becomes a more and more important controlling factor for bridge the design.A very large proportion of the wind load acting on cables has exceeded that acting on deck.There was not any detailed prescript in Chinese code for calculation of longitudinal wind load on cables due to lack of theoretical research and experiment,and conservative simplified calculation was adopted during design,which leads to conservative and uneconomical design of structures.To resolve this problem,cable force experiment was carried out during the design of Sutong Bridge.By comparing with international research results,the calculation formula of longitudinal wind drag coefficient for cables was advanced to fill the blank of bridge wind resistant code of China,and has already been adopted in the Highway Bridge Wind Resistant Design Code(JTG/T D60-01-2004)with great significance for bridge engineering.
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