NDLI: Determination of reasonable construction tension of concrete inclined pylon cable-stayed bridge with backstays

Content Provider	IEEE Xplore Digital Library
Author	De-Zeng Jiang Rong-Hui Wang Niu-Jing Ma
Copyright Year	2010
Description	Author affiliation: School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China (De-Zeng Jiang; Rong-Hui Wang; Niu-Jing Ma)
Abstract	A new type of bridge is the concrete inclined pylon cable-stayed bridge with backstays, which is different from the conventional cable-stayed bridge in structure and mechanical behavior. In order to ensure construction quality and safety, it is necessary to determinate reasonable construction tension. First, the reasonable finished state is determined through minimum bending energy and influence matrix method; then, the backward analysis is carried on. During backward analysis, it is necessary to consider the influence of geometric nonlinearity, shrinkage and creep, and the influence of both shrinkage and creep can be dealt with through equivalent nodal force. The whole process can be performed by means of FEM program ANSYS and its secondary development. This method is applied to Banfu no.2 bridge, which is under construction. The analysis results show the cable tension is close to design value, and it is applied to construction computation. The stress state of both girder and pylon can satisfy the Design Code. Hence, it shows this method is simple and effective.
Starting Page	868
Ending Page	871
File Size	205066
Page Count	4
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5535643
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Backward analysis Creep Poles and towers Transportation Inclined pylon cable-stayed bridge Bridges Constraint optimization Construction tension Backstays Mechanical cables Concrete Safety Structural beams Civil engineering
Content Type	Text
Resource Type	Article

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